{"id":3550,"date":"2026-09-16T12:09:55","date_gmt":"2026-09-16T11:09:55","guid":{"rendered":"https:\/\/wheat-quail-856400.hostingersite.com\/produkt\/fbs-embryonic-stem-cell-tested-fbs-for-es-cell-south-america-origin-sterile-filtered\/"},"modified":"2026-10-26T13:15:49","modified_gmt":"2026-10-26T12:15:49","slug":"fks-es-zell-getestet-suedamerika","status":"publish","type":"product","link":"https:\/\/seamlessbio.de\/de\/product\/fbs-embryonic-stem-cell-tested-fbs-for-es-cell-south-america-origin-sterile-filtered\/","title":{"rendered":"FBS ES-Zell-getestet | S\u00fcdamerika | 0,1 \u00b5m filtriert"},"content":{"rendered":"<style>\n.sb-pd{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,sans-serif;max-width:100%;color:#202020;line-height:1.75}\n.sb-pd .def{background:#e9fbfa;border-left:4px solid #18b7b2;border-radius:0 10px 10px 0;padding:16px 20px;margin:0 0 28px}\n.sb-pd .def .lb{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.09em;color:#139b97;display:block;margin-bottom:5px}\n.sb-pd .def p{font-size:15px;margin:0;font-weight:500}\n.sb-pd h2{font-size:21px;font-weight:800;margin:32px 0 10px;color:#111;border-bottom:2px solid #e2eceb;padding-bottom:7px}\n.sb-pd h3{font-size:15px;font-weight:700;color:#18b7b2;margin:18px 0 5px}\n.sb-pd p{margin:0 0 12px;font-size:15px}\n.sb-pd ul{margin:0 0 12px;padding-left:20px}\n.sb-pd li{margin-bottom:6px;font-size:14px}\n.sb-pd .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0 20px}\n.sb-pd .card{background:#f1faf9;border:1px solid #daf3f2;border-top:3px solid #18b7b2;border-radius:0 0 10px 10px;padding:14px}\n.sb-pd .card h3{margin:0 0 5px;font-size:13px;color:#111}\n.sb-pd .card p{margin:0;font-size:12px;color:#5b6b71}\n.sb-pd table{width:100%;border-collapse:collapse;font-size:14px;margin:14px 0 20px}\n.sb-pd th{background:#18b7b2;color:#fff;text-align:left;padding:9px 13px;font-weight:700}\n.sb-pd td{padding:9px 13px;border-bottom:1px solid #e2eceb;vertical-align:top}\n.sb-pd tr:nth-child(even) td{background:#f8fffe}\n.sb-pd td:first-child{font-weight:600;color:#111;width:35%}\n.sb-pd .qa{background:#f8fffe;border:1px solid #daf3f2;border-radius:8px;padding:14px 16px;margin:10px 0}\n.sb-pd .qa .q{font-weight:700;color:#111;margin:0 0 5px;font-size:14px}\n.sb-pd .qa .a{margin:0;font-size:13px;color:#444}\n.sb-pd .cta{background:linear-gradient(135deg,#e4f6f5,#f4fbfb);border:1px solid rgba(24,183,178,.2);border-radius:12px;padding:20px;margin-top:28px;text-align:center}\n.sb-pd .cta h3{margin:0 0 7px;font-size:17px;color:#111}\n.sb-pd .cta p{margin:0 0 14px;font-size:13px;color:#5b6b71}\n.sb-pd .btn{display:inline-block;background:#18b7b2;color:#fff!important;padding:9px 20px;border-radius:7px;font-weight:700;font-size:13px;text-decoration:none!important;margin:0 4px}\n.sb-pd .btn-o{display:inline-block;border:2px solid #18b7b2;color:#18b7b2!important;padding:7px 20px;border-radius:7px;font-weight:700;font-size:13px;text-decoration:none!important;margin:0 4px}\n.sb-pd a{color:#18b7b2;font-weight:600}\n@media(max-width:600px){.sb-pd .cards{grid-template-columns:1fr}}\n<\/style>\n<div class=\"sb-pd\">\n<h2>Produkt\u00fcbersicht<\/h2>\n<p><strong>FKS ES-Zell-getestet von SeamlessBio<\/strong> ist f\u00f6tales K\u00e4lberserum, das speziell gepr\u00fcft und validiert ist f\u00fcr <strong>embryonale Stammzellen (ESC), induzierte pluripotente Stammzellen (iPSC)<\/strong>sowie andere empfindliche pluripotente Zellpopulationen. Jede Charge wird funktionell darauf getestet, dass sie undifferenziertes Wachstum unterst\u00fctzt, die typische Morphologie pluripotenter Kolonien erh\u00e4lt und keine zytotoxischen oder differenzierungsausl\u00f6senden Faktoren enth\u00e4lt \u2013 so k\u00f6nnen Forschende direkt mit den Versuchen beginnen, ohne aufwendiges Chargenscreening im eigenen Labor. Aus s\u00fcdamerikanischen Spenderherden, sterilfiltriert mit 0,1 \u00b5m, mit vollst\u00e4ndiger Chargendokumentation. Mehr dazu, <a href=\"https:\/\/seamlessbio.de\/de\/what-is-fbs\/\">was FKS ist und wie es die Stammzellkultur unterst\u00fctzt<\/a>.<\/p>\n<h2>Technische Daten<\/h2>\n<table>\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Spezifikation<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Herkunft<\/td>\n<td>S\u00fcdamerika \u2013 zertifizierte, r\u00fcckverfolgbare Spenderherden<\/td>\n<\/tr>\n<tr>\n<td>Qualit\u00e4t<\/td>\n<td>ES-Zell-getestet \u2013 funktionell validiert f\u00fcr undifferenziertes ESC-\/iPSC-Wachstum<\/td>\n<\/tr>\n<tr>\n<td>Sterilfiltration<\/td>\n<td>0.1 \u00b5m<\/td>\n<\/tr>\n<tr>\n<td>Sterilit\u00e4t<\/td>\n<td>Gepr\u00fcft \u2013 Methode nach USP\/EP<\/td>\n<\/tr>\n<tr>\n<td>Mykoplasma<\/td>\n<td>Getestet \u2013 negativ<\/td>\n<\/tr>\n<tr>\n<td>ES-Zell-Test<\/td>\n<td>Koloniemorphologie, Best\u00e4tigung der Undifferenziertheitsmarker, Zytotoxizit\u00e4t \u2013 chargenspezifischer Bericht verf\u00fcgbar<\/td>\n<\/tr>\n<tr>\n<td>Lagerung<\/td>\n<td>\u221220 \u00b0C (K\u00fchlkette erforderlich)<\/td>\n<\/tr>\n<tr>\n<td>Dokumentation<\/td>\n<td>CoA, BSE\/TSE-Erkl\u00e4rung, CoO, ES-Zell-Pr\u00fcfbericht \u2013 chargenspezifisch<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Anwendungen<\/h2>\n<table>\n<thead>\n<tr>\n<th>Anwendung<\/th>\n<th>Beschreibung<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Erhaltung von hESC \/ mESC<\/strong><\/td>\n<td>Feeder-abh\u00e4ngige Kultur humaner und muriner embryonaler Stammzellen \u2013 validiert f\u00fcr undifferenziertes Wachstum und Selbsterneuerung ohne spontane Differenzierung<\/td>\n<\/tr>\n<tr>\n<td><strong>iPSC-Kultur und Reprogrammierung<\/strong><\/td>\n<td>Serumsupplement f\u00fcr die iPSC-Erhaltung in Feeder-abh\u00e4ngigen Systemen und f\u00fcr Reprogrammierungsprotokolle, die kein definiertes serumfreies Medium erfordern<\/td>\n<\/tr>\n<tr>\n<td><strong>Stammzellexpansion und Kryokonservierung<\/strong><\/td>\n<td>Routinem\u00e4\u00dfige Expansion pluripotenter Best\u00e4nde und Bestandteil des Einfriermediums \u2013 die validierte Charge sichert Konstanz \u00fcber Einfrier- und Auftauzyklen<\/td>\n<\/tr>\n<tr>\n<td><strong>Differenzierungsassays<\/strong><\/td>\n<td>Definierte Basis-Serumcharge f\u00fcr gerichtete Differenzierungsprotokolle \u2013 eine einzige validierte Charge beseitigt serumbedingte Schwankungen \u00fcber den gesamten Differenzierungsverlauf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Verf\u00fcgbare Formate<\/h2>\n<table>\n<thead>\n<tr>\n<th>Format<\/th>\n<th>Umfang<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Flasche<\/td>\n<td>100 mL<\/td>\n<\/tr>\n<tr>\n<td>Flasche<\/td>\n<td>500 mL<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Die wichtigsten Vorteile<\/h2>\n<div class=\"cards\">\n<div class=\"card\">\n<h3>Sammelreservierung<\/h3>\n<p>Validierte ES-Zell-getestete Chargen bis zu 36 Monate reservieren \u2013 f\u00fcr reproduzierbare Langzeit-Workflows mit Stammzellen und iPSC.<\/p>\n<\/div>\n<div class=\"card\">\n<h3>Vollst\u00e4ndige Dokumentation<\/h3>\n<p>CoA, BSE\/TSE-Erkl\u00e4rung und ES-Zell-Pr\u00fcfbericht \u2013 aus nach ISO 9001 und ISO 13485 zertifizierten Partnerwerken. Weitere Dokumente auf Anfrage.<\/p>\n<\/div>\n<div class=\"card\">\n<h3>Lieferung EU &amp; Schweiz<\/h3>\n<p>Aus zertifizierten EU-Partnerwerken \u2013 schnelle Lieferung in der K\u00fchlkette in die EU, nach Gro\u00dfbritannien und in die Schweiz.<\/p>\n<\/div>\n<\/div>\n<h2>H\u00e4ufig gestellte Fragen<\/h2>\n<div class=\"qa\">\n<p class=\"q\">Welche Tests qualifizieren FKS als ES-Zell-getestet?<\/p>\n<p class=\"a\">ES-Zell-getestetes FKS durchl\u00e4uft eine funktionelle Validierung: Bewertung der Koloniemorphologie (pluripotente Morphologie bleibt erhalten), Best\u00e4tigung der Undifferenziertheitsmarker (Aktivit\u00e4t der alkalischen Phosphatase oder Oct4\/Sox2-F\u00e4rbung), Zytotoxizit\u00e4tstest sowie Standard-QC-Parameter (Sterilit\u00e4t, Mykoplasmen, Endotoxin, pH-Wert, Osmolalit\u00e4t). Nur Chargen, die alle Kriterien erf\u00fcllen, werden in ES-Zell-Qualit\u00e4t freigegeben. Ein chargenspezifischer ES-Zell-Pr\u00fcfbericht ist auf Anfrage zusammen mit dem Analysenzertifikat erh\u00e4ltlich.<\/p>\n<\/div>\n<div class=\"qa\">\n<p class=\"q\">L\u00e4sst sich ES-Zell-getestetes FKS f\u00fcr die iPSC-Kultur verwenden?<\/p>\n<p class=\"a\">Ja \u2013 f\u00fcr ES-Zellkultur validiertes FKS eignet sich genauso f\u00fcr die iPSC-Erhaltung in Feeder-abh\u00e4ngigen Systemen. Beide Zelltypen haben dieselben Grundanforderungen an die Pluripotenz: Unterst\u00fctzung undifferenzierten Wachstums, keine differenzierungsausl\u00f6senden Faktoren und geringe Zytotoxizit\u00e4t. Die Kriterien der ES-Zell-Validierung (Koloniemorphologie, Oct4\/Sox2-Expression, Zytotoxizit\u00e4t) sagen die Leistung in der iPSC-Kultur direkt voraus. F\u00fcr Feeder-freie oder xenofreie iPSC-Kultursysteme wird in der Regel ein definiertes serumfreies Medium bevorzugt.<\/p>\n<\/div>\n<div class=\"qa\">\n<p class=\"q\">Warum ist gleichbleibende Chargenqualit\u00e4t f\u00fcr Stammzell- und iPSC-Kultur besonders wichtig?<\/p>\n<p class=\"a\">Stammzellen und iPSC reagieren besonders empfindlich auf Serumschwankungen. Schon kleine Unterschiede zwischen Chargen bei Wachstumsfaktoren, Hormonen, Lipiden oder Spurenverunreinigungen k\u00f6nnen spontane Differenzierung ausl\u00f6sen, die Klonierungseffizienz senken oder die Selbsterneuerung beeintr\u00e4chtigen. Das Serumscreening geh\u00f6rt deshalb zu den zeitaufwendigsten Schritten beim Aufbau eines Stammzelllabors. ES-Zell-getestetes FKS nimmt Ihnen diese Arbeit ab: Jede Charge ist vor der Freigabe bereits funktionell in der ESC-Kultur validiert. Mit einer Chargenreservierung bis zu 36 Monate nutzen Sie eine einzige validierte Charge \u00fcber ein ganzes Forschungsprogramm oder eine klinische Studie und schlie\u00dfen Chargenunterschiede als St\u00f6rfaktor aus.<\/p>\n<\/div>\n<div class=\"qa\">\n<p class=\"q\">Eignet sich ES-Zell-getestetes FKS f\u00fcr Feeder-freie oder xenofreie Stammzellkultur?<\/p>\n<p class=\"a\">FKS ist ein Produkt tierischen Ursprungs und gilt nicht als xenofrei. F\u00fcr Feeder-freie oder xenofreie iPSC-Kulturplattformen \u2013 etwa f\u00fcr die Herstellung von Zelltherapeutika in GMP-Qualit\u00e4t oder regulatorisch konforme klinische Anwendungen \u2013 ist ein definiertes serumfreies Medium die richtige Wahl. ES-zell-getestetes Serum auf FKS-Basis eignet sich am besten f\u00fcr etablierte Feeder-abh\u00e4ngige Kultursysteme, in denen die Serumzugabe Teil des validierten Protokolls ist und keine Xenofreiheit gefordert wird. Sprechen Sie unser Team auf serumfreie Alternativen f\u00fcr Ihre Anwendung an.<\/p>\n<\/div>\n<div class=\"qa\">\n<p class=\"q\">Welche Dokumentation erhalte ich zu FKS ES-Zell-getestet, und was gibt es auf Anfrage?<\/p>\n<p class=\"a\">Jede Bestellung enth\u00e4lt ein Analysenzertifikat (CoA) mit chargenspezifischen QC-Daten und ES-Zell-Testergebnissen. Auf Anfrage zus\u00e4tzlich: BSE\/TSE-Erkl\u00e4rung, Herkunftszertifikat (CoO), Sterilit\u00e4tszertifikat, Mykoplasmen-Pr\u00fcfbericht und Endotoxin-Pr\u00fcfdaten. Alle Dokumente sind chargenspezifisch und stammen aus nach ISO 9001 und ISO 13485 zertifizierten Partnerwerken.<\/p>\n<\/div>\n<div class=\"cta\">\n<h3>Angebot oder Muster anfordern<\/h3>\n<p>Antwort in 48 h \u00b7 Lieferung EU &amp; Schweiz \u00b7 Chargenreservierung m\u00f6glich \u00b7 Vollst\u00e4ndige Dokumentation<\/p>\n<p>  <a href=\"https:\/\/seamlessbio.de\/de\/request-quote\/\" class=\"btn\">Angebot anfordern \u2192<\/a><br \/>\n  <a href=\"https:\/\/seamlessbio.de\/de\/fetales-kaelberserum\/\" class=\"btn-o\">FKS-Portfolio \u2192<\/a>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>FKS ES-Zell-getestet (FKS f\u00fcr ES-Zellen) | Herkunft S\u00fcdamerika | sterilfiltriert. Erh\u00e4ltlich in 50 ml, 100 ml, 500 ml. Preis auf Anfrage \u2013 kontaktieren Sie unser Team zu Verf\u00fcgbarkeit, Chargendokumentation und Lieferung. <\/p>\n<div style='margin-top:12px'><a href='https:\/\/seamlessbio.de\/de\/chargenreservierung\/' style='display:block;background:#fff;border:2px solid #18b7b2;color:#18b7b2;padding:10px 24px;border-radius:8px;font-weight:700;font-size:14px;text-decoration:none;text-align:center;'>Test Sample &amp; Batch Reservation \u2192<\/a><\/div>","protected":false},"featured_media":2581,"template":"","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":""},"product_brand":[],"product_cat":[52],"product_tag":[84,85,86,87,88],"class_list":["post-3550","product","type-product","status-publish","has-post-thumbnail","product_cat-fetal-bovine-serum","product_tag-fbs-embryonic-stem-cell-tested","product_tag-fetal-bovine-serum","product_tag-south-america-fbs","product_tag-stem-cell-culture","product_tag-sterile-filtered-serum","first","instock","taxable","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Buy ES Cell Tested FBS \u2013 Embryonic Stem Cell Qualified | EU Supplier<\/title>\n<meta name=\"description\" content=\"Premium FBS Embryonic Stem Cell tested serum from South America. Sterile filtered for reliable cell culture applications. Buy now for quality growth support.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/seamlessbio.de\/de\/produkt\/fks-es-zell-getestet-suedamerika\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Buy ES Cell Tested FBS \u2013 Embryonic Stem Cell Qualified | EU Supplier\" \/>\n<meta property=\"og:description\" content=\"Premium FBS Embryonic Stem Cell tested serum from South America. Sterile filtered for reliable cell culture applications. Buy now for quality growth support.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/seamlessbio.de\/de\/produkt\/fks-es-zell-getestet-suedamerika\/\" \/>\n<meta property=\"og:site_name\" content=\"SeamlessBio\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-26T12:15:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/seamlessbio.de\/wp-content\/uploads\/2026\/07\/fbs-es-cell-pre-tested-flasche.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"853\" \/>\n\t<meta property=\"og:image:height\" content=\"1280\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data1\" content=\"3\u00a0Minuten\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/seamlessbio.de\\\/product\\\/fbs-embryonic-stem-cell-tested-fbs-for-es-cell-south-america-origin-sterile-filtered\\\/\",\"url\":\"https:\\\/\\\/seamlessbio.de\\\/product\\\/fbs-embryonic-stem-cell-tested-fbs-for-es-cell-south-america-origin-sterile-filtered\\\/\",\"name\":\"Buy ES Cell Tested FBS \u2013 Embryonic Stem Cell Qualified | EU Supplier\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/seamlessbio.de\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/seamlessbio.de\\\/product\\\/fbs-embryonic-stem-cell-tested-fbs-for-es-cell-south-america-origin-sterile-filtered\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/seamlessbio.de\\\/product\\\/fbs-embryonic-stem-cell-tested-fbs-for-es-cell-south-america-origin-sterile-filtered\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/seamlessbio.de\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/fbs-es-cell-pre-tested-flasche.jpg\",\"datePublished\":\"2026-09-16T11:09:55+00:00\",\"dateModified\":\"2026-10-26T12:15:49+00:00\",\"description\":\"Premium FBS Embryonic Stem Cell tested serum from South America. 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