{"id":321,"date":"2020-03-02T13:13:19","date_gmt":"2020-03-02T12:13:19","guid":{"rendered":"https:\/\/zencellowl.com\/?page_id=321"},"modified":"2026-05-28T22:23:33","modified_gmt":"2026-05-28T20:23:33","slug":"scratch-assay","status":"publish","type":"page","link":"https:\/\/zencellowl.com\/fr\/scratch-assay\/","title":{"rendered":"Test de grattage"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"321\" class=\"elementor elementor-321\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d041943 e-flex e-con-boxed e-con e-parent\" data-id=\"d041943\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d25c743 elementor-widget elementor-widget-html\" data-id=\"d25c743\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Montserrat:wght@300;400;500;600;700;800&display=swap\" rel=\"stylesheet\">\n\n<style>\n.ica-full *, .ica-full *::before, .ica-full *::after { \n    box-sizing: border-box; \n    font-family: 'Montserrat', sans-serif !important; \n}\n.ica-full { color: #2c3e50; }\n.ica-full .ica-kicker { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: #3aaea0; margin-bottom: 10px; }\n.ica-full h2 { font-size: clamp(1.8rem, 3vw, 2.6rem) !important; font-weight: 800 !important; color: #1a2e3a !important; margin-bottom: 1rem !important; line-height: 1.18 !important; letter-spacing: -.3px; }\n.ica-full h2 span { color: #3aaea0; }\n.ica-intro { font-size: 17px; color: #5a6a7a; max-width: 650px; line-height: 1.75; margin-bottom: 3rem; }\n.ica-sec-full { max-width: 1140px; margin: 0 auto; padding: 5rem 2rem; }\n\n\/* HERO *\/\n.ica-hero-full { background: linear-gradient(135deg, #ffffff 0%, #f0f9f8 100%); padding: 5rem 2rem 4rem; text-align: center; position: relative; overflow: hidden; }\n.ica-hero-full::after { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(58,174,160,0.03) 1px, transparent 1px); background-size: 32px 32px; pointer-events: none; }\n.ica-hero-full-in { position: relative; z-index: 1; max-width: 780px; margin: 0 auto; }\n.ica-hero-full .ica-pill { display: inline-flex; align-items: center; gap: 7px; background: rgba(58,174,160,0.1); border: 1.5px solid #3aaea0; color: #2d8f83; border-radius: 100px; padding: 8px 20px; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 1.5rem; }\n.ica-hero-full h1 { font-size: clamp(2.2rem, 5vw, 3.8rem) !important; font-weight: 800 !important; line-height: 1.15 !important; color: #1a2e3a !important; margin-bottom: 1.5rem !important; letter-spacing: -0.5px; }\n.ica-hero-full h1 span { color: #3aaea0; }\n.ica-hero-full-sub { font-size: 19px !important; color: #5a6a7a !important; line-height: 1.7; max-width: 650px; margin: 0 auto 2.5rem !important; }\n.ica-hero-full-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 3.5rem; }\n.ica-hero-full .ica-btn-main { background: #3aaea0; color: white !important; padding: 16px 32px; border-radius: 10px; font-size: 16px; font-weight: 700; text-decoration: none !important; transition: all .3s ease; display: inline-flex; align-items: center; gap: 8px; box-shadow: 0 4px 16px rgba(58,174,160,0.25); }\n.ica-hero-full .ica-btn-main:hover { background: #2d8f83; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(58,174,160,0.35); }\n.ica-hero-full .ica-btn-ghost { background: #ffffff; color: #3aaea0 !important; padding: 16px 32px; border-radius: 10px; font-size: 16px; font-weight: 700; text-decoration: none !important; border: 2px solid #3aaea0; transition: all .3s ease; display: inline-flex; align-items: center; gap: 8px; }\n.ica-hero-full .ica-btn-ghost:hover { background: #f0f9f8; transform: translateY(-2px); }\n.ica-hero-full-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 900px; margin: 0 auto; }\n.ica-hero-full .ica-hstat { background: #ffffff; padding: 1.5rem 1rem; border-radius: 12px; border: 1.5px solid #e8ecee; transition: all .3s ease; }\n.ica-hero-full .ica-hstat:hover { border-color: #3aaea0; box-shadow: 0 4px 16px rgba(58,174,160,0.12); transform: translateY(-2px); }\n.ica-hero-full .ica-hstat-n { font-size: 2.6rem; font-weight: 800; color: #3aaea0; line-height: 1; margin-bottom: 8px; }\n.ica-hero-full .ica-hstat-l { font-size: 12px; color: #7f8c8d; line-height: 1.4; font-weight: 500; }\n\n\/* PAIN *\/\n.ica-pain-full { background: #ffffff; }\n.ica-pain-full-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }\n.ica-pain-full-card { background: #ffffff; border: 2px solid #fee; border-radius: 16px; padding: 2rem; border-left: 5px solid #e74c3c; transition: all .3s ease; box-shadow: 0 2px 8px rgba(231,76,60,0.08); }\n.ica-pain-full-card:hover { border-color: #e74c3c; box-shadow: 0 8px 24px rgba(231,76,60,0.15); transform: translateY(-4px); }\n.ica-pain-full-card .icon { font-size: 36px; margin-bottom: 16px; display: block; }\n.ica-pain-full-card .title { font-size: 16px; font-weight: 700; color: #1a2e3a; margin-bottom: 10px; line-height: 1.3; }\n.ica-pain-full-card .desc { font-size: 14px; color: #5a6a7a; line-height: 1.7; margin: 0; }\n\n\/* VS *\/\n.ica-vs-full { background: linear-gradient(135deg, #f0f9f8 0%, #ffffff 100%); }\n.ica-vs-full-wrap { display: grid; grid-template-columns: 1fr 60px 1fr; gap: 0; align-items: stretch; margin-bottom: 2.5rem; }\n.ica-vs-full-card { border-radius: 20px; overflow: hidden; border: 2px solid #e8ecee; background: #ffffff; box-shadow: 0 4px 16px rgba(0,0,0,0.04); }\n.ica-vs-full-card.win { border-color: #3aaea0; box-shadow: 0 12px 40px rgba(58,174,160,0.2); transform: scale(1.02); }\n.ica-vs-full-head { padding: 20px 28px; font-size: 15px; font-weight: 700; }\n.ica-vs-full-card.win .ica-vs-full-head { background: linear-gradient(135deg, #3aaea0 0%, #2d8f83 100%); color: white; }\n.ica-vs-full-card:not(.win) .ica-vs-full-head { background: #f8fafa; color: #5a6a7a; }\n.ica-vs-full-row { display: flex; justify-content: space-between; align-items: center; padding: 14px 28px; border-top: 1px solid #f0f0f0; font-size: 13.5px; transition: background .2s ease; }\n.ica-vs-full-row:hover { background: #fafbfb; }\n.ica-vs-full-row:nth-child(even) { background: #f8f9fa; }\n.ica-vs-full-row:nth-child(even):hover { background: #f0f2f4; }\n.ica-vs-full-row .lbl { color: #5a6a7a; font-weight: 500; }\n.ica-vs-full-row .val { font-weight: 700; color: #1a2e3a; }\n.ica-vs-full-row .val.g { color: #27ae60; }\n.ica-vs-full-row .val.r { color: #e74c3c; }\n.ica-vs-full-mid { display: flex; align-items: center; justify-content: center; }\n.ica-vs-full-vs { width: 60px; height: 60px; background: linear-gradient(135deg, #3aaea0 0%, #2d8f83 100%); border-radius: 50%; color: white; font-size: 14px; font-weight: 800; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 20px rgba(58,174,160,0.3); }\n.ica-vs-full-savings { background: linear-gradient(135deg, #27ae60 0%, #229954 100%); color: white; border-radius: 20px; padding: 2.5rem 3rem; text-align: center; margin-top: 2rem; box-shadow: 0 10px 30px rgba(39,174,96,0.25); }\n.ica-vs-full-savings-n { font-size: 4.2rem; font-weight: 800; letter-spacing: -2px; line-height: 1; margin-bottom: 12px; }\n.ica-vs-full-savings-l { font-size: 16px; opacity: .95; line-height: 1.6; }\n\n\/* FEATURES *\/\n.ica-feat-full { background: #ffffff; }\n.ica-feat-full-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }\n.ica-feat-full-card { background: #ffffff; border: 2px solid #e8ecee; border-radius: 16px; padding: 2rem; transition: all .3s ease; box-shadow: 0 2px 8px rgba(58,174,160,0.04); }\n.ica-feat-full-card:hover { border-color: #3aaea0; box-shadow: 0 8px 24px rgba(58,174,160,0.12); transform: translateY(-4px); }\n.ica-feat-full-card.star { border-color: #3aaea0; background: linear-gradient(135deg, #f0f9f8 0%, #ffffff 100%); }\n.ica-feat-full-card .icon { font-size: 36px; margin-bottom: 16px; display: block; }\n.ica-feat-full-badge { display: inline-block; font-size: 10px; font-weight: 700; background: #3aaea0; color: white; padding: 3px 10px; border-radius: 4px; margin-left: 8px; vertical-align: middle; letter-spacing: 0.05em; }\n.ica-feat-full-card .title { font-size: 16px; font-weight: 700; color: #1a2e3a; margin-bottom: 10px; line-height: 1.3; }\n.ica-feat-full-card .desc { font-size: 14px; color: #5a6a7a; line-height: 1.7; margin: 0; }\n\n\/* AUTOFOCUS \/ VESSELS \u2014 new section, same style *\/\n.ica-setup-full { background: linear-gradient(135deg, #f0f9f8 0%, #ffffff 100%); }\n.ica-setup-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 2.5rem; }\n.ica-setup-card { background: #ffffff; border: 2px solid #e8ecee; border-radius: 16px; padding: 2rem; transition: all .3s ease; box-shadow: 0 2px 8px rgba(58,174,160,0.04); }\n.ica-setup-card:hover { border-color: #3aaea0; box-shadow: 0 8px 24px rgba(58,174,160,0.12); transform: translateY(-4px); }\n.ica-setup-card.star { border-color: #3aaea0; background: linear-gradient(135deg, #f0f9f8 0%, #ffffff 100%); }\n.ica-setup-card .icon { font-size: 36px; margin-bottom: 16px; display: block; }\n.ica-setup-card .title { font-size: 16px; font-weight: 700; color: #1a2e3a; margin-bottom: 10px; line-height: 1.3; }\n.ica-setup-card .desc { font-size: 14px; color: #5a6a7a; line-height: 1.7; margin: 0 0 12px; }\n.ica-setup-card .tag { display: inline-block; font-size: 11px; font-weight: 700; background: rgba(58,174,160,0.1); color: #2d8f83; padding: 4px 12px; border-radius: 100px; border: 1px solid rgba(58,174,160,0.25); }\n.ica-vessel-table { width: 100%; border-collapse: separate; border-spacing: 0; background: #ffffff; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,0.04); border: 2px solid #e8ecee; }\n.ica-vessel-table th { background: #1a2e3a; color: #fff; padding: 14px 20px; text-align: left; font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }\n.ica-vessel-table th.hl { background: #3aaea0; }\n.ica-vessel-table td { padding: 13px 20px; font-size: 13.5px; border-top: 1px solid #f0f0f0; }\n.ica-vessel-table td:first-child { font-weight: 700; color: #1a2e3a; background: #f8fafa; }\n.ica-vessel-table td.g { color: #27ae60; font-weight: 700; }\n.ica-vessel-table td.m { color: #3aaea0; font-weight: 500; }\n.ica-vessel-table td.dim { color: #95a5a6; }\n\n\/* SCAN SPEED \u2014 new section, same style *\/\n.ica-scan-full { background: #ffffff; }\n.ica-scan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 2rem; }\n.ica-scan-card { border-radius: 16px; padding: 2rem; text-align: center; }\n.ica-scan-card.dark { background: linear-gradient(135deg, #3aaea0 0%, #2d8f83 100%); color: white; box-shadow: 0 8px 24px rgba(58,174,160,0.25); }\n.ica-scan-card.border { background: #ffffff; border: 2px solid #3aaea0; box-shadow: 0 4px 16px rgba(58,174,160,0.12); }\n.ica-scan-card.light { background: #f8fafa; border: 2px solid #e8ecee; }\n.ica-scan-label { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; opacity: .75; }\n.ica-scan-card.dark .ica-scan-label { color: rgba(255,255,255,.8); }\n.ica-scan-card:not(.dark) .ica-scan-label { color: #3aaea0; }\n.ica-scan-num { font-size: 3rem; font-weight: 800; line-height: 1; margin-bottom: 6px; letter-spacing: -1px; }\n.ica-scan-card.dark .ica-scan-num { color: #ffffff; }\n.ica-scan-card:not(.dark) .ica-scan-num { color: #3aaea0; }\n.ica-scan-sub { font-size: 14px; font-weight: 600; margin-bottom: 10px; }\n.ica-scan-card.dark .ica-scan-sub { color: rgba(255,255,255,.9); }\n.ica-scan-card:not(.dark) .ica-scan-sub { color: #1a2e3a; }\n.ica-scan-desc { font-size: 13px; line-height: 1.6; }\n.ica-scan-card.dark .ica-scan-desc { color: rgba(255,255,255,.75); }\n.ica-scan-card:not(.dark) .ica-scan-desc { color: #7f8c8d; }\n.ica-scan-note { background: #f0f9f8; border-left: 4px solid #3aaea0; border-radius: 0 12px 12px 0; padding: 1.25rem 1.5rem; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }\n.ica-scan-note p { font-size: 14px; color: #5a6a7a; margin: 0; line-height: 1.6; flex: 1; }\n.ica-scan-note a { display: inline-block; background: #3aaea0; color: white !important; padding: 10px 20px; border-radius: 8px; font-size: 13px; font-weight: 700; text-decoration: none !important; white-space: nowrap; flex-shrink: 0; transition: background .2s; }\n.ica-scan-note a:hover { background: #2d8f83; }\n\n\/* CALCULATOR *\/\n.ica-calc-full { background: linear-gradient(135deg, #f0f9f8 0%, #e8f5f4 100%); position: relative; }\n.ica-calc-full::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(58,174,160,0.04) 1px, transparent 1px); background-size: 32px 32px; pointer-events: none; }\n.ica-calc-full-in { max-width: 1000px; margin: 0 auto; position: relative; z-index: 1; }\n.ica-calc-full .ica-kicker, .ica-calc-full h2 { text-align: center; }\n.ica-calc-full-subtitle { font-size: 17px; color: #5a6a7a; text-align: center; max-width: 600px; margin: 0 auto 3rem; line-height: 1.6; }\n.ica-calc-box-full { background: #ffffff; border-radius: 20px; padding: 3rem; box-shadow: 0 10px 40px rgba(58,174,160,0.12); border: 2px solid #e8f5f4; }\n.ica-calc-full-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }\n.ica-calc-full-left h3, .ica-calc-full-right h3 { font-size: 18px; font-weight: 700; color: #1a2e3a; margin-bottom: 1.5rem; }\n.ica-slider-full-wrap { margin-bottom: 2rem; background: #f8fafa; padding: 1.25rem; border-radius: 12px; border: 1px solid #e8ecee; }\n.ica-slider-full-label { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }\n.ica-slider-full-name { font-size: 14px; color: #2c3e50; font-weight: 600; }\n.ica-slider-full-val { font-size: 22px; font-weight: 800; color: #3aaea0; }\ninput[type=range].ica-range-full { width: 100%; height: 6px; background: #e8ecee; border-radius: 3px; outline: none; -webkit-appearance: none; appearance: none; cursor: pointer; }\ninput[type=range].ica-range-full::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 24px; height: 24px; border-radius: 50%; background: #3aaea0; cursor: pointer; box-shadow: 0 2px 8px rgba(58,174,160,0.3); border: 3px solid #ffffff; }\ninput[type=range].ica-range-full::-moz-range-thumb { width: 24px; height: 24px; border-radius: 50%; background: #3aaea0; cursor: pointer; box-shadow: 0 2px 8px rgba(58,174,160,0.3); border: 3px solid #ffffff; }\n.ica-result-full-card { background: linear-gradient(135deg, #f8fafa 0%, #ffffff 100%); border-radius: 12px; padding: 1.5rem; margin-bottom: 1rem; border: 1.5px solid #e8ecee; transition: all 0.2s; }\n.ica-result-full-card:hover { border-color: #3aaea0; box-shadow: 0 4px 16px rgba(58,174,160,0.1); }\n.ica-result-full-label { font-size: 12px; color: #7f8c8d; margin-bottom: 8px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }\n.ica-result-full-val { font-size: 28px; font-weight: 800; color: #1a2e3a; line-height: 1; margin-bottom: 6px; }\n.ica-result-full-val.red { color: #e74c3c; }\n.ica-result-full-val.green { color: #27ae60; }\n.ica-result-full-sub { font-size: 13px; color: #95a5a6; margin-top: 4px; }\n.ica-savings-full { background: linear-gradient(135deg, #3aaea0 0%, #2d8f83 100%); border-radius: 16px; padding: 2rem; text-align: center; margin-top: 1rem; box-shadow: 0 8px 24px rgba(58,174,160,0.25); }\n.ica-savings-full-label { font-size: 13px; color: rgba(255,255,255,0.8); font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px; }\n.ica-savings-full-val { font-size: 48px; font-weight: 800; color: #ffffff; line-height: 1; margin-bottom: 12px; letter-spacing: -1px; }\n.ica-savings-full-desc { font-size: 15px; color: rgba(255,255,255,0.9); line-height: 1.5; }\n.ica-calc-full-note { font-size: 13px; color: #95a5a6; line-height: 1.6; margin-top: 2rem; padding: 1rem; background: #f8fafa; border-radius: 8px; border-left: 3px solid #3aaea0; }\n\n\/* TESTIMONIALS *\/\n.ica-testi-full { background: #ffffff; }\n.ica-testi-full-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }\n.ica-testi-full-card { background: #ffffff; border: 2px solid #e8ecee; border-radius: 16px; padding: 2rem; transition: all .3s ease; box-shadow: 0 2px 8px rgba(58,174,160,0.04); }\n.ica-testi-full-card:hover { border-color: #3aaea0; box-shadow: 0 8px 24px rgba(58,174,160,0.12); transform: translateY(-4px); }\n.ica-testi-full-stars { color: #f5a623; font-size: 16px; margin-bottom: 12px; letter-spacing: 2px; }\n.ica-testi-full-text { font-size: 14px; color: #5a6a7a; line-height: 1.7; margin-bottom: 1.25rem; font-style: italic; }\n.ica-testi-full-name { font-size: 14px; font-weight: 700; color: #1a2e3a; margin-bottom: 4px; }\n.ica-testi-full-role { font-size: 13px; color: #95a5a6; }\n\n\/* PUBLICATIONS *\/\n.ica-pub-full { background: linear-gradient(135deg, #f0f9f8 0%, #e8f5f4 100%); border-top: 2px solid #e8ecee; border-bottom: 2px solid #e8ecee; padding: 4rem 2rem; text-align: center; }\n.ica-pub-full-num { font-size: 4rem; font-weight: 800; color: #3aaea0; line-height: 1; margin-bottom: 12px; }\n.ica-pub-full-label { font-size: 16px; color: #5a6a7a; max-width: 600px; margin: 0 auto 1.5rem; line-height: 1.6; }\n.ica-pub-full-link { color: #3aaea0; font-size: 15px; font-weight: 700; text-decoration: none; transition: all 0.2s; }\n.ica-pub-full-link:hover { color: #2d8f83; }\n\n\/* FAQ *\/\n.ica-faq-full { background: #ffffff; }\n.ica-faq-full-list { max-width: 800px; }\n.ica-faq-full-item { border-bottom: 2px solid #e8ecee; transition: border-color 0.2s; }\n.ica-faq-full-item:hover { border-color: #3aaea0; }\n.ica-faq-full-q { padding: 20px 0; font-size: 16px; font-weight: 600; color: #1a2e3a; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1.5rem; transition: color 0.2s; }\n.ica-faq-full-q:hover { color: #3aaea0; }\n.ica-faq-full-ico { font-size: 24px; font-weight: 300; color: #3aaea0; transition: transform 0.3s; flex-shrink: 0; }\n.ica-faq-full-item.open .ica-faq-full-ico { transform: rotate(45deg); }\n.ica-faq-full-a { font-size: 14px; color: #5a6a7a; line-height: 1.7; max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding-bottom 0.4s; }\n.ica-faq-full-item.open .ica-faq-full-a { max-height: 600px; padding-bottom: 20px; }\n\n\/* CTA *\/\n.ica-cta-full { background: linear-gradient(135deg, #3aaea0 0%, #2d8f83 100%); padding: 5rem 2rem; text-align: center; color: white; position: relative; }\n.ica-cta-full::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px); background-size: 32px 32px; pointer-events: none; }\n.ica-cta-full-in { max-width: 800px; margin: 0 auto; position: relative; z-index: 1; }\n.ica-cta-full h2 { color: white !important; margin-bottom: 1.5rem !important; }\n.ica-cta-full-text { font-size: 18px; color: rgba(255,255,255,0.9); margin-bottom: 2.5rem; line-height: 1.7; }\n.ica-cta-full-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 2.5rem; }\n.ica-cta-full .ica-btn-white { background: #ffffff; color: #3aaea0 !important; padding: 18px 36px; border-radius: 10px; font-size: 16px; font-weight: 700; text-decoration: none !important; transition: all 0.3s; box-shadow: 0 4px 16px rgba(0,0,0,0.1); }\n.ica-cta-full .ica-btn-white:hover { background: #f0f9f8; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }\n.ica-cta-full .ica-btn-outline { background: transparent; color: white !important; padding: 18px 36px; border-radius: 10px; font-size: 16px; font-weight: 700; text-decoration: none !important; border: 2px solid white; transition: all 0.3s; }\n.ica-cta-full .ica-btn-outline:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }\n.ica-cta-full-trust { display: flex; gap: 2.5rem; justify-content: center; flex-wrap: wrap; font-size: 14px; opacity: 0.9; font-weight: 500; }\n.ica-cta-full-trust span::before { content: \"\u2713 \"; font-weight: 700; }\n\n\/* RESPONSIVE *\/\n@media (max-width: 900px) {\n    .ica-hero-full-stats { grid-template-columns: repeat(2, 1fr); 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}\n}\n<\/style>\n\n<div class=\"ica-full\">\n\n<!-- \u2550\u2550\u2550 SEO\n  URL: zencellowl.com\/scratch-assay\/\n  Yoast Title: Scratch Assay & Wound Healing Assay \u2014 Automated | zenCELL owl\n  Meta Desc: Run 24 wound healing assays in parallel \u2014 automated gap closure analysis, kinetic data, no manual imaging. zenCELL owl from \u20ac14,000. Free demo.\n  Focus Keyphrase: scratch assay wound healing\n\u2550\u2550\u2550 -->\n\n<!-- \u2550\u2550\u2550 1. HERO \u2550\u2550\u2550 -->\n<div class=\"ica-hero-full\">\n  <div class=\"ica-hero-full-in\">\n    <div class=\"ica-pill\">\ud83d\udd2a Application \u2014 Scratch Assay &amp; Wound Healing<\/div>\n    <h1>Scratch Assay \u2014<br><span>Record Every Movement. Calculate Speed Accurately.<\/span><\/h1>\n    <p class=\"ica-hero-full-sub\">\n      Automated wound healing and migration assay monitoring \u2014 24 wells in parallel, continuous kinetic data, real-time gap closure analysis. No manual imaging. No missed time points.\n    <\/p>\n    <div class=\"ica-hero-full-btns\">\n      <a href=\"https:\/\/zencellowl.com\/live-remotedemo\/\" class=\"ica-btn-main\">Book Free Demo \u2192<\/a>\n      <a href=\"#sa-example\" class=\"ica-btn-ghost\">See Practical Example \u2193<\/a>\n    <\/div>\n    <div class=\"ica-hero-full-stats\">\n      <div class=\"ica-hstat\"><div class=\"ica-hstat-n\">24<\/div><div class=\"ica-hstat-l\">assays in parallel<\/div><\/div>\n      <div class=\"ica-hstat\"><div class=\"ica-hstat-n\">5 min<\/div><div class=\"ica-hstat-l\">imaging interval<\/div><\/div>\n      <div class=\"ica-hstat\"><div class=\"ica-hstat-n\">t\u00bd<\/div><div class=\"ica-hstat-l\">gap closure time<\/div><\/div>\n      <div class=\"ica-hstat\"><div class=\"ica-hstat-n\">0<\/div><div class=\"ica-hstat-l\">manual imaging steps<\/div><\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n<!-- \u2550\u2550\u2550 2. HERO IMAGE \u2550\u2550\u2550 -->\n<div class=\"ica-feat-full ica-sec-full\" style=\"padding-top:2rem;padding-bottom:2rem\">\n  <div class=\"app-img-wrap\">\n    <img decoding=\"async\" src=\"https:\/\/zencellowl.com\/wp-content\/uploads\/2020\/03\/Scratch-Assay.png\" alt=\"zenCELL owl scratch assay \u2014 automated wound healing monitoring incubator microscope\" class=\"app-img\" loading=\"eager\">\n  <\/div>\n<\/div>\n\n\n<!-- \u2550\u2550\u2550 3. WHAT IS A SCRATCH ASSAY \u2550\u2550\u2550 -->\n<div class=\"ica-pain-full ica-sec-full\" style=\"background:#f0f9f8\">\n  <div class=\"ica-kicker\">Background<\/div>\n  <h2>What Is a <span>Scratch Assay?<\/span><\/h2>\n  <p class=\"ica-intro\">The wound healing, migration assay or scratch assay is a standard method to analyze cell migration in vitro. The dynamics of cell migration into a cell-free area are monitored and quantified to analyze migration characteristics and calculate gap closure time.<\/p>\n  <div class=\"app-adv-grid\">\n\n    <div class=\"ica-feat-full-card star\">\n      <span class=\"icon\">\ud83d\udcf9<\/span>\n      <div class=\"title\">Dynamic Data for Dynamic Processes<\/div>\n      <p class=\"desc\">With conventional manual microscopy it is not possible to capture every dynamic change at the cell level. zenCELL owl records images every 5 minutes \u2014 capturing every cell movement in detail, even during long-term analyses over days.<\/p>\n    <\/div>\n\n    <div class=\"ica-feat-full-card star\">\n      <span class=\"icon\">\u26a1<\/span>\n      <div class=\"title\">Wound Healing Speed \u2014 Accurately Calculated<\/div>\n      <p class=\"desc\">Observe and control every time point of the wound healing process retrospectively. Calculate gap closure speed by analysing the increase of confluence in the gap area. Determine t\u00bd gap closure time automatically.<\/p>\n    <\/div>\n\n    <div class=\"ica-feat-full-card star\">\n      <span class=\"icon\">\ud83d\udd04<\/span>\n      <div class=\"title\">24 Assays Under Identical Conditions<\/div>\n      <p class=\"desc\">Simultaneous analysis of cell morphology and confluence in up to 24 wells under identical incubator conditions. Optimises comparability of results and reproducibility of data across conditions, drugs and cell lines.<\/p>\n    <\/div>\n\n  <\/div>\n<\/div>\n\n\n<!-- \u2550\u2550\u2550 4. TIMELAPSE PRACTICAL EXAMPLE \u2550\u2550\u2550 -->\n<div class=\"ica-vs-full ica-sec-full\" id=\"sa-example\">\n  <div class=\"ica-kicker\">Practical example<\/div>\n  <h2>L929 Fibroblasts \u2014 <span>24-Hour Gap Closure Timelapse<\/span><\/h2>\n  <p class=\"ica-intro\">A migration assay of L929 fibroblasts was performed over 24 hours. The gap was inserted in a confluent monolayer at time zero. Within 24 hours, continuous cell migration results in complete closure of the gap \u2014 captured automatically at every time point.<\/p>\n\n  <!-- 6-image timelapse -->\n  <div class=\"tl-grid\">\n    <div class=\"tl-card\">\n      <img decoding=\"async\" src=\"https:\/\/zencellowl.com\/wp-content\/uploads\/2025\/06\/zerohour.png\" alt=\"L929 scratch assay 0 hours \u2014 gap created in confluent monolayer\" loading=\"lazy\">\n      <div class=\"tl-label\">0 hours<\/div>\n    <\/div>\n    <div class=\"tl-card\">\n      <img decoding=\"async\" src=\"https:\/\/zencellowl.com\/wp-content\/uploads\/2025\/06\/1hour.png\" alt=\"L929 scratch assay 1 hour \u2014 cells start migrating at gap edge\" loading=\"lazy\">\n      <div class=\"tl-label\">1 hour<\/div>\n    <\/div>\n    <div class=\"tl-card\">\n      <img decoding=\"async\" src=\"https:\/\/zencellowl.com\/wp-content\/uploads\/2025\/06\/3hours.png\" alt=\"L929 scratch assay 3 hours \u2014 visible gap closure beginning\" loading=\"lazy\">\n      <div class=\"tl-label\">3 hours<\/div>\n    <\/div>\n    <div class=\"tl-card\">\n      <img decoding=\"async\" src=\"https:\/\/zencellowl.com\/wp-content\/uploads\/2025\/06\/12hours.png\" alt=\"L929 scratch assay 12 hours \u2014 halfway gap closure\" loading=\"lazy\">\n      <div class=\"tl-label\">12 hours<\/div>\n    <\/div>\n    <div class=\"tl-card\">\n      <img decoding=\"async\" src=\"https:\/\/zencellowl.com\/wp-content\/uploads\/2025\/06\/18hours.png\" alt=\"L929 scratch assay 18 hours \u2014 advanced gap closure\" loading=\"lazy\">\n      <div class=\"tl-label\">18 hours<\/div>\n    <\/div>\n    <div class=\"tl-card active\">\n      <img decoding=\"async\" src=\"https:\/\/zencellowl.com\/wp-content\/uploads\/2025\/06\/24hours.png\" alt=\"L929 scratch assay 24 hours \u2014 complete gap closure\" loading=\"lazy\">\n      <div class=\"tl-label\">24 hours<\/div>\n    <\/div>\n  <\/div>\n  <p style=\"font-size:12px;color:#95a5a6;text-align:center;margin-top:12px;font-family:'Montserrat',sans-serif;font-style:italic\">L929 mouse fibroblasts \u2014 scratch assay timelapse over 24 hours. Gap inserted at 0h by pipette tip. Complete closure visible at 24h. Digital phase-contrast imaging. Scalebar: 200 \u00b5m.<\/p>\n\n  <!-- Gap closure chart -->\n  <div class=\"app-feature-row\" style=\"margin-top:3rem\">\n    <div class=\"app-img-wrap\">\n      <img decoding=\"async\" src=\"https:\/\/zencellowl.com\/wp-content\/uploads\/2020\/03\/t0.5-Gap-Closure-1.png\" alt=\"zenCELL owl gap closure speed calculation \u2014 t1\/2 relative gap area plot\" class=\"app-img\" loading=\"lazy\">\n      <p class=\"app-img-caption\">Relative gap area as a function of time \u2014 t\u00bd gap closure determined automatically from confluence data<\/p>\n    <\/div>\n    <div class=\"app-feature-text\">\n      <h3>Calculate Gap Closure Speed Automatically<\/h3>\n      <p>Cell coverage data from zenCELL owl is used to calculate the Relative Gap Area at every time point. Plotted as a function of time, the half gap closure time (t\u00bd Gap Closure) is determined directly from the confluency curve.<\/p>\n      <ul>\n        <li>Relative gap area calculated per image automatically<\/li>\n        <li>t\u00bd gap closure time determined from growth curve<\/li>\n        <li>Compare gap closure speeds across 24 conditions<\/li>\n        <li>Export data to CSV for statistical analysis<\/li>\n        <li>Full retrospective analysis of any time point<\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n\n  <!-- App Note -->\n  <div style=\"background:#edf6f5;border:1px solid rgba(58,174,160,.2);border-radius:14px;padding:20px 24px;margin-top:2rem;display:flex;align-items:center;gap:16px;flex-wrap:wrap\">\n    <div style=\"font-size:2rem;flex-shrink:0\">\ud83d\udcc4<\/div>\n    <div style=\"flex:1\">\n      <p style=\"font-size:14px;font-weight:700;color:#1a2e3a;margin:0 0 4px;font-family:'Montserrat',sans-serif\">Application Note \u2014 Scratch Assay<\/p>\n      <p style=\"font-size:13px;color:#5a6a7a;margin:0;font-family:'Montserrat',sans-serif\">Full protocol, gap closure analysis method and data for scratch assays with zenCELL owl.<\/p>\n    <\/div>\n    <a href=\"https:\/\/zencellowl.com\/wp-content\/uploads\/2023\/02\/zencell-owl_Application-Note-Scratch-Assay.pdf\" target=\"_blank\" style=\"display:inline-block;background:#3aaea0;color:#fff;padding:11px 22px;border-radius:10px;font-family:'Montserrat',sans-serif;font-size:13px;font-weight:700;text-decoration:none;white-space:nowrap;flex-shrink:0\">Download PDF \u2192<\/a>\n  <\/div>\n<\/div>\n\n\n<!-- \u2550\u2550\u2550 5. SCRATCH MAKER UPGRADE \u2550\u2550\u2550 -->\n<div class=\"ica-feat-full ica-sec-full\" style=\"background:#f0f9f8\">\n  \n<!-- \u2550\u2550\u2550 DRUG SCREENING STEP GUIDE \u2550\u2550\u2550 -->\n<div class=\"ica-feat-full ica-sec-full\" style=\"background:#f0f9f8\">\n  <div class=\"ica-kicker\">Step-by-step protocol<\/div>\n  <h2>Running a Scratch Assay \u2014 <span>Complete Protocol<\/span><\/h2>\n  <p class=\"ica-intro\">From cell seeding to final data export \u2014 the complete automated scratch assay workflow with zenCELL owl. Every step documented, every time point captured.<\/p>\n\n  <div style=\"display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:2rem\">\n    <div style=\"background:#fff;border:2px solid #e8ecee;border-radius:14px;padding:22px;position:relative\">\n      <div style=\"position:absolute;top:-14px;left:20px;background:#3aaea0;color:#fff;font-size:11px;font-weight:800;padding:4px 14px;border-radius:100px;font-family:'Montserrat',sans-serif\">Step 01<\/div>\n      <div style=\"font-size:14px;font-weight:700;color:#1a2e3a;margin-bottom:8px;margin-top:8px;font-family:'Montserrat',sans-serif\">Seed Confluent Monolayer<\/div>\n      <p style=\"font-size:13px;color:#5a6a7a;line-height:1.65;margin:0;font-family:'Montserrat',sans-serif\">Seed cells in 24-well plate and grow to full confluency. Use coated plates for optimal adhesion and consistent monolayer formation.<\/p>\n    <\/div>\n    <div style=\"background:#fff;border:2px solid #e8ecee;border-radius:14px;padding:22px;position:relative\">\n      <div style=\"position:absolute;top:-14px;left:20px;background:#3aaea0;color:#fff;font-size:11px;font-weight:800;padding:4px 14px;border-radius:100px;font-family:'Montserrat',sans-serif\">Step 02<\/div>\n      <div style=\"font-size:14px;font-weight:700;color:#1a2e3a;margin-bottom:8px;margin-top:8px;font-family:'Montserrat',sans-serif\">Create the Scratch<\/div>\n      <p style=\"font-size:13px;color:#5a6a7a;line-height:1.65;margin:0;font-family:'Montserrat',sans-serif\">Use a pipette tip for standard assays \u2014 or the zenCELL Scratch Maker (light-based, ECM-preserved) for physiological migration studies. Full 24-well plate in 60 seconds.<\/p>\n    <\/div>\n    <div style=\"background:#fff;border:2px solid #e8ecee;border-radius:14px;padding:22px;position:relative\">\n      <div style=\"position:absolute;top:-14px;left:20px;background:#3aaea0;color:#fff;font-size:11px;font-weight:800;padding:4px 14px;border-radius:100px;font-family:'Montserrat',sans-serif\">Step 03<\/div>\n      <div style=\"font-size:14px;font-weight:700;color:#1a2e3a;margin-bottom:8px;margin-top:8px;font-family:'Montserrat',sans-serif\">Wash & Add Treatment<\/div>\n      <p style=\"font-size:13px;color:#5a6a7a;line-height:1.65;margin:0;font-family:'Montserrat',sans-serif\">Wash away detached cells. Add drug treatment, inhibitor, or growth factor at defined concentrations across 24 wells.<\/p>\n    <\/div>\n    <div style=\"background:#f0f9f8;border:2px solid #3aaea0;border-radius:14px;padding:22px;position:relative\">\n      <div style=\"position:absolute;top:-14px;left:20px;background:#3aaea0;color:#fff;font-size:11px;font-weight:800;padding:4px 14px;border-radius:100px;font-family:'Montserrat',sans-serif\">Step 04<\/div>\n      <div style=\"font-size:14px;font-weight:700;color:#1a2e3a;margin-bottom:8px;margin-top:8px;font-family:'Montserrat',sans-serif\">Place in zenCELL owl<\/div>\n      <p style=\"font-size:13px;color:#5a6a7a;line-height:1.65;margin:0;font-family:'Montserrat',sans-serif\">Transfer plate to zenCELL owl inside the incubator. Define imaging interval (5\u201330 min). Continuous monitoring starts automatically \u2014 no further manual steps needed.<\/p>\n    <\/div>\n    <div style=\"background:#f0f9f8;border:2px solid #3aaea0;border-radius:14px;padding:22px;position:relative\">\n      <div style=\"position:absolute;top:-14px;left:20px;background:#3aaea0;color:#fff;font-size:11px;font-weight:800;padding:4px 14px;border-radius:100px;font-family:'Montserrat',sans-serif\">Step 05<\/div>\n      <div style=\"font-size:14px;font-weight:700;color:#1a2e3a;margin-bottom:8px;margin-top:8px;font-family:'Montserrat',sans-serif\">Automated Gap Closure Analysis<\/div>\n      <p style=\"font-size:13px;color:#5a6a7a;line-height:1.65;margin:0;font-family:'Montserrat',sans-serif\">Software calculates Relative Gap Area at every time point automatically. Growth curves generated per well. t\u00bd gap closure determined from confluence data \u2014 no manual measurement.<\/p>\n    <\/div>\n    <div style=\"background:#f0f9f8;border:2px solid #3aaea0;border-radius:14px;padding:22px;position:relative\">\n      <div style=\"position:absolute;top:-14px;left:20px;background:#3aaea0;color:#fff;font-size:11px;font-weight:800;padding:4px 14px;border-radius:100px;font-family:'Montserrat',sans-serif\">Step 06<\/div>\n      <div style=\"font-size:14px;font-weight:700;color:#1a2e3a;margin-bottom:8px;margin-top:8px;font-family:'Montserrat',sans-serif\">Export & Compare Results<\/div>\n      <p style=\"font-size:13px;color:#5a6a7a;line-height:1.65;margin:0;font-family:'Montserrat',sans-serif\">Export CSV data and timelapse videos. Compare gap closure speeds across all 24 conditions. Full retrospective analysis of any time point \u2014 publication-ready data.<\/p>\n    <\/div>\n  <\/div>\n<\/div>\n\n<!-- \u2550\u2550\u2550 METHOD COMPARISON TABLE \u2550\u2550\u2550 -->\n<div class=\"ica-vs-full ica-sec-full\">\n  <div class=\"ica-kicker\">Method comparison<\/div>\n  <h2>Scratch Methods \u2014 <span>Side by Side<\/span><\/h2>\n  <p class=\"ica-intro\">Not all scratches are equal. The method used to create the gap fundamentally affects the biology of the migration assay.<\/p>\n\n  <div style=\"overflow-x:auto;margin-top:2rem\">\n    <table style=\"width:100%;border-collapse:separate;border-spacing:0;border-radius:14px;overflow:hidden;box-shadow:0 4px 16px rgba(0,0,0,.06);border:2px solid #e8ecee\">\n      <thead>\n        <tr>\n          <th style=\"background:#1a2e3a;color:#fff;padding:14px 20px;text-align:left;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;font-family:'Montserrat',sans-serif\">Method<\/th>\n          <th style=\"background:#1a2e3a;color:#fff;padding:14px 20px;text-align:left;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;font-family:'Montserrat',sans-serif\">Cell Damage<\/th>\n          <th style=\"background:#1a2e3a;color:#fff;padding:14px 20px;text-align:left;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;font-family:'Montserrat',sans-serif\">ECM<\/th>\n          <th style=\"background:#1a2e3a;color:#fff;padding:14px 20px;text-align:left;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;font-family:'Montserrat',sans-serif\">Reproducibility<\/th>\n          <th style=\"background:#3aaea0;color:#fff;padding:14px 20px;text-align:left;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;font-family:'Montserrat',sans-serif\">Throughput<\/th>\n          <th style=\"background:#1a2e3a;color:#fff;padding:14px 20px;text-align:left;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;font-family:'Montserrat',sans-serif\">Cost<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td style=\"padding:13px 20px;font-size:13.5px;border-top:1px solid #f0f0f0;font-weight:700;color:#1a2e3a;font-family:'Montserrat',sans-serif\">Pipette Tip<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #f0f0f0;color:#e74c3c;font-weight:700;font-family:'Montserrat',sans-serif\">High \u2014 cells destroyed<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #f0f0f0;color:#e74c3c;font-weight:700;font-family:'Montserrat',sans-serif\">Destroyed<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #f0f0f0;color:#e74c3c;font-family:'Montserrat',sans-serif\">Low \u2014 operator-dependent<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #f0f0f0;font-family:'Montserrat',sans-serif\">Manual \u00b7 slow<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #f0f0f0;color:#27ae60;font-weight:700;font-family:'Montserrat',sans-serif\">Very low<\/td>\n        <\/tr>\n        <tr style=\"background:#f8f9fa\">\n          <td style=\"padding:13px 20px;font-size:13.5px;border-top:1px solid #f0f0f0;font-weight:700;color:#1a2e3a;font-family:'Montserrat',sans-serif\">Ibidi Insert<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #f0f0f0;color:#27ae60;font-weight:700;font-family:'Montserrat',sans-serif\">None<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #f0f0f0;color:#e74c3c;font-family:'Montserrat',sans-serif\">No coating possible<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #f0f0f0;color:#27ae60;font-family:'Montserrat',sans-serif\">High<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #f0f0f0;font-family:'Montserrat',sans-serif\">Manual \u00b7 moderate<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #f0f0f0;color:#e74c3c;font-family:'Montserrat',sans-serif\">High per plate<\/td>\n        <\/tr>\n        <tr style=\"background:#f0f9f8;border:2px solid #3aaea0\">\n          <td style=\"padding:13px 20px;font-size:13.5px;border-top:1px solid #e8ecee;font-weight:700;color:#3aaea0;font-family:'Montserrat',sans-serif\">\u2713 Scratch Maker<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #e8ecee;color:#27ae60;font-weight:700;font-family:'Montserrat',sans-serif\">None \u2014 light-based<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #e8ecee;color:#27ae60;font-weight:700;font-family:'Montserrat',sans-serif\">Fully intact<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #e8ecee;color:#27ae60;font-weight:700;font-family:'Montserrat',sans-serif\">Very high \u2014 identical every time<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #e8ecee;color:#27ae60;font-weight:700;font-family:'Montserrat',sans-serif\">24 wells in 60 sec<\/td>\n          <td style=\"padding:13px 20px;font-size:13px;border-top:1px solid #e8ecee;font-family:'Montserrat',sans-serif\">One-time device<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <p style=\"font-size:12px;color:#95a5a6;margin-top:12px;font-family:'Montserrat',sans-serif;font-style:italic\">Full method comparison: <a href=\"https:\/\/zencellowl.com\/migration-assay-methods\/\" style=\"color:#3aaea0;font-weight:700\">Migration Assay Methods compared \u2192<\/a><\/p>\n<\/div>\n\n<div class=\"ica-kicker\">Take it further<\/div>\n  <h2>Upgrade to Physiological Scratching \u2014 <span>Scratch Maker System<\/span><\/h2>\n  <p class=\"ica-intro\">The example above uses a manual pipette tip scratch. For publication-quality, physiological migration data, the zenCELL owl Scratch Maker uses light-based technology \u2014 preserving cells and ECM completely.<\/p>\n\n  <div class=\"app-feature-row\">\n    <div class=\"app-feature-text\">\n      <h3>Light-Based vs. Pipette Tip \u2014 What Changes<\/h3>\n      <p>A manual pipette tip scratch destroys the cell layer and ECM. The Scratch Maker uses photonic technology to create a precise, reproducible gap without any mechanical contact. 24 identical scratches in 60 seconds.<\/p>\n      <ul>\n        <li>No cell damage \u2014 cell layer beneath preserved<\/li>\n        <li>ECM fully intact \u2014 physiologically relevant surface<\/li>\n        <li>No cell debris in the gap<\/li>\n        <li>24 identical scratches in 60 seconds<\/li>\n        <li>Mask-guided \u2014 same position every time<\/li>\n      <\/ul>\n      <a href=\"https:\/\/zencellowl.com\/scratchmaker\/\" style=\"display:inline-block;margin-top:16px;background:#3aaea0;color:#fff;padding:12px 24px;border-radius:10px;font-family:'Montserrat',sans-serif;font-size:13px;font-weight:700;text-decoration:none\">Learn more about the Scratch Maker \u2192<\/a>\n    <\/div>\n    <div style=\"background:#fff;border:2px solid #3aaea0;border-radius:16px;padding:28px;box-shadow:0 4px 20px rgba(58,174,160,.12)\">\n      <div style=\"display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px\">\n        <div style=\"background:#fee;border-radius:10px;padding:14px;text-align:center\">\n          <div style=\"font-size:1.3rem;margin-bottom:6px\">\ud83e\uddea<\/div>\n          <div style=\"font-size:12px;font-weight:700;color:#e74c3c;font-family:'Montserrat',sans-serif\">Pipette Tip<\/div>\n          <div style=\"font-size:11px;color:#e74c3c;margin-top:4px;font-family:'Montserrat',sans-serif\">Cell damage \u00b7 ECM destroyed \u00b7 debris<\/div>\n        <\/div>\n        <div style=\"background:#edf6f5;border-radius:10px;padding:14px;text-align:center;border:1px solid rgba(58,174,160,.2)\">\n          <div style=\"font-size:1.3rem;margin-bottom:6px\">\ud83d\udca1<\/div>\n          <div style=\"font-size:12px;font-weight:700;color:#3aaea0;font-family:'Montserrat',sans-serif\">Scratch Maker<\/div>\n          <div style=\"font-size:11px;color:#3aaea0;margin-top:4px;font-family:'Montserrat',sans-serif\">No damage \u00b7 ECM intact \u00b7 clean gap<\/div>\n        <\/div>\n      <\/div>\n      <div style=\"font-size:13px;color:#5a6a7a;line-height:1.6;font-family:'Montserrat',sans-serif\">Also compare all methods on our <a href=\"https:\/\/zencellowl.com\/migration-assay-methods\/\" style=\"color:#3aaea0;font-weight:700\">Migration Assay Methods comparison page<\/a> \u2014 pipette tip, Ibidi insert, robotic system and Scratch Maker side by side.<\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n<!-- \u2550\u2550\u2550 6. PUBLICATIONS \u2550\u2550\u2550 -->\n<div class=\"ica-pub-full\">\n  <div class=\"ica-pub-full-num\">50+<\/div>\n  <div class=\"ica-pub-full-label\">peer-reviewed publications cite zenCELL owl \u2014 including scratch assay and wound healing studies<\/div>\n  <a href=\"https:\/\/zencellowl.com\/publication\/\" class=\"ica-pub-full-link\">View all publications \u2192<\/a>\n<\/div>\n\n\n<!-- \u2550\u2550\u2550 7. FAQ \u2550\u2550\u2550 -->\n<div class=\"ica-faq-full ica-sec-full\">\n  <div class=\"ica-kicker\">FAQ<\/div>\n  <h2>Scratch Assay \u2014 <span>Common Questions<\/span><\/h2>\n  <div class=\"ica-faq-full-list\">\n\n    <div class=\"ica-faq-full-item\">\n      <div class=\"ica-faq-full-q\" onclick=\"toggleFaqFull(this)\">What is the difference between a scratch assay and a wound healing assay?<span class=\"ica-faq-full-ico\">+<\/span><\/div>\n      <div class=\"ica-faq-full-a\"><div style=\"padding:0 22px 18px;font-size:14px;color:#5a6a7a;line-height:1.7\">The terms are used interchangeably. Both describe an in vitro method where a gap is created in a confluent cell monolayer and its closure is monitored over time to study cell migration. The wound healing assay term emphasises physiological relevance, particularly for skin biology and regenerative medicine research.<\/div><\/div>\n    <\/div>\n\n    <div class=\"ica-faq-full-item\">\n      <div class=\"ica-faq-full-q\" onclick=\"toggleFaqFull(this)\">How does zenCELL owl calculate gap closure speed?<span class=\"ica-faq-full-ico\">+<\/span><\/div>\n      <div class=\"ica-faq-full-a\"><div style=\"padding:0 22px 18px;font-size:14px;color:#5a6a7a;line-height:1.7\">zenCELL owl measures cell confluence in the gap area at every imaging interval (minimum 5 minutes). This data is used to calculate the Relative Gap Area as a function of time. From this curve, the half gap closure time (t\u00bd Gap Closure) is determined \u2014 giving a precise, quantitative measure of migration speed that can be compared across 24 conditions simultaneously.<\/div><\/div>\n    <\/div>\n\n    <div class=\"ica-faq-full-item\">\n      <div class=\"ica-faq-full-q\" onclick=\"toggleFaqFull(this)\">Can I run 24 scratch assays simultaneously?<span class=\"ica-faq-full-ico\">+<\/span><\/div>\n      <div class=\"ica-faq-full-a\"><div style=\"padding:0 22px 18px;font-size:14px;color:#5a6a7a;line-height:1.7\">Yes. zenCELL owl monitors up to 24 wells simultaneously under identical incubator conditions. This allows comparison of different cell lines, drug concentrations, or treatment conditions in a single experiment \u2014 eliminating the variability of sequential testing.<\/div><\/div>\n    <\/div>\n\n    <div class=\"ica-faq-full-item\">\n      <div class=\"ica-faq-full-q\" onclick=\"toggleFaqFull(this)\">What is the Scratch Maker and how does it improve scratch assay results?<span class=\"ica-faq-full-ico\">+<\/span><\/div>\n      <div class=\"ica-faq-full-a\"><div style=\"padding:0 22px 18px;font-size:14px;color:#5a6a7a;line-height:1.7\">The zenCELL owl Scratch Maker uses light-based photonic technology to create scratches without mechanical contact. Unlike a pipette tip, it preserves the cell layer beneath the gap and leaves the ECM intact \u2014 providing physiologically relevant migration conditions. 24 identical scratches in 60 seconds. See the <a href=\"https:\/\/zencellowl.com\/scratchmaker\/\" style=\"color:#3aaea0\">Scratch Maker product page<\/a> for full details.<\/div><\/div>\n    <\/div>\n\n    <div class=\"ica-faq-full-item\">\n      <div class=\"ica-faq-full-q\" onclick=\"toggleFaqFull(this)\">Is there an application note for scratch assays with zenCELL owl?<span class=\"ica-faq-full-ico\">+<\/span><\/div>\n      <div class=\"ica-faq-full-a\"><div style=\"padding:0 22px 18px;font-size:14px;color:#5a6a7a;line-height:1.7\">Yes \u2014 download the full application note above. It covers the complete protocol, gap closure analysis method, t\u00bd calculation, and practical data from L929 fibroblast scratch assays.<\/div><\/div>\n    <\/div>\n\n  <\/div>\n<\/div>\n\n\n<!-- \u2550\u2550\u2550 8. CTA \u2550\u2550\u2550 -->\n<div class=\"ica-cta-full\">\n  <div class=\"ica-cta-full-in\">\n    <h2>See Scratch Assay Monitoring Live \u2014<br><span>Free Remote Demo<\/span><\/h2>\n    <p class=\"ica-cta-full-text\">Watch zenCELL owl track gap closure in real cells inside a real incubator. On request via MS Teams. No obligation.<\/p>\n    <div class=\"ica-cta-full-btns\">\n      <a href=\"https:\/\/zencellowl.com\/live-remotedemo\/\" class=\"ica-btn-white\">Book Free Demo \u2192<\/a>\n      <a href=\"https:\/\/zencellowl.com\/scratchmaker\/\" class=\"ica-btn-outline\">Scratch Maker System<\/a>\n    <\/div>\n    <div class=\"ica-cta-full-trust\">\n      <span>On request via MS Teams<\/span>\n      <span>No commitment<\/span>\n      <span>50+ publications<\/span>\n      <span>Application Note available<\/span>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n<!-- \u2550\u2550\u2550 RELATED \u2550\u2550\u2550 -->\n<div style=\"background:#f8fafa;padding:24px 0;border-top:1px solid #e8ecee\">\n  <div style=\"max-width:1140px;margin:0 auto;padding:0 2rem;display:flex;align-items:center;gap:12px;flex-wrap:wrap\">\n    <span style=\"font-size:.78rem;font-weight:700;color:#7f8c8d;text-transform:uppercase;letter-spacing:.1em;flex-shrink:0;font-family:'Montserrat',sans-serif\">Related:<\/span>\n    <a href=\"https:\/\/zencellowl.com\/scratchmaker\/\" style=\"font-size:.82rem;font-weight:600;color:#3aaea0;text-decoration:none;padding:5px 12px;border-radius:100px;border:1px solid rgba(58,174,160,.2);background:rgba(58,174,160,.05);font-family:'Montserrat',sans-serif\">Scratch Maker System<\/a>\n    <a href=\"https:\/\/zencellowl.com\/migration-assay-methods\/\" style=\"font-size:.82rem;font-weight:600;color:#3aaea0;text-decoration:none;padding:5px 12px;border-radius:100px;border:1px solid rgba(58,174,160,.2);background:rgba(58,174,160,.05);font-family:'Montserrat',sans-serif\">Migration Assay Methods Compared<\/a>\n    <a href=\"https:\/\/zencellowl.com\/cytotoxicity-assay\/\" style=\"font-size:.82rem;font-weight:600;color:#3aaea0;text-decoration:none;padding:5px 12px;border-radius:100px;border:1px solid rgba(58,174,160,.2);background:rgba(58,174,160,.05);font-family:'Montserrat',sans-serif\">Cytotoxicity Assay<\/a>\n    <a href=\"https:\/\/zencellowl.com\/cell-culture-monitoring\/\" style=\"font-size:.82rem;font-weight:600;color:#3aaea0;text-decoration:none;padding:5px 12px;border-radius:100px;border:1px solid rgba(58,174,160,.2);background:rgba(58,174,160,.05);font-family:'Montserrat',sans-serif\">Cell Culture Monitoring<\/a>\n    <a href=\"https:\/\/zencellowl.com\/cell-imaging\/\" style=\"font-size:.82rem;font-weight:600;color:#3aaea0;text-decoration:none;padding:5px 12px;border-radius:100px;border:1px solid rgba(58,174,160,.2);background:rgba(58,174,160,.05);font-family:'Montserrat',sans-serif\">zenCELL owl System<\/a>\n  <\/div>\n<\/div>\n\n<\/div>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"What is the difference between a scratch assay and a wound healing assay?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The terms are used interchangeably. Both describe creating a gap in a confluent cell monolayer and monitoring closure to study migration. Wound healing assay emphasises physiological relevance.\"}},\n{\"@type\":\"Question\",\"name\":\"How does zenCELL owl calculate gap closure speed?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"zenCELL owl measures confluence in the gap area at every imaging interval (min. 5 minutes), calculates Relative Gap Area as a function of time, and determines t\u00bd gap closure time automatically.\"}},\n{\"@type\":\"Question\",\"name\":\"Can I run 24 scratch assays simultaneously?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. zenCELL owl monitors up to 24 wells simultaneously under identical incubator conditions \u2014 different cell lines, drugs or concentrations in one experiment.\"}},\n{\"@type\":\"Question\",\"name\":\"What is the Scratch Maker?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Light-based photonic device that creates scratches without mechanical contact \u2014 preserving cell layer and ECM. 24 identical scratches in 60 seconds. Physiological migration conditions.\"}}\n]}\n<\/script>\n\n<script>\nfunction toggleFaqFull(el) {\n  var item = el.parentElement;\n  var wasOpen = item.classList.contains('open');\n  document.querySelectorAll('.ica-faq-full-item.open').forEach(function(i){ i.classList.remove('open'); });\n  if (!wasOpen) item.classList.add('open');\n}\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\ud83d\udd2a Application \u2014 Scratch Assay &amp; Wound Healing Scratch Assay \u2014Record Every Movement. Calculate Speed Accurately. Automated wound healing and migration assay monitoring \u2014 24 wells in parallel, continuous kinetic [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-321","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Scratch, Migration &amp; Wound Healing Assay \u2014 reproducible all time<\/title>\n<meta name=\"description\" content=\"Run 24 wound healing assays in parallel \u2014 automated gap closure analysis, kinetic data, no manual imaging. zenCELL owl from \u20ac14,000. 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