{"product_id":"xr-fetal-bovine-serum","title":"XR Fetal Bovine Serum","description":"\u003c!--\nSEO TITLE:\nFetal Bovine Serum (FBS) for Cell Culture | XR Qualified FBS\n\nMETA DESCRIPTION:\nXR FBS is a qualified fetal bovine serum for cell culture, supporting mammalian cells, primary cells and stem cell research with consistent quality and tested performance.\n\nRECOMMENDED URL:\n\/products\/fetal-bovine-serum-fbs-cell-culture\n--\u003e\n\u003cp\u003e\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\":\"https:\/\/schema.org\",\n  \"@type\":\"Product\",\n  \"name\":\"XR FBS Qualified Fetal Bovine Serum for Cell Culture\",\n  \"description\":\"Qualified fetal bovine serum designed for mammalian cell culture, primary cell culture and stem cell research applications with consistent lot performance and quality testing.\",\n  \"brand\":{\n    \"@type\":\"Brand\",\n    \"name\":\"XR\"\n  },\n  \"category\":\"Cell Culture Serum\",\n  \"sku\":\"XR FBS\",\n  \"additionalProperty\":[\n    {\n      \"@type\":\"PropertyValue\",\n      \"name\":\"Product Type\",\n      \"value\":\"Fetal Bovine Serum (FBS)\"\n    },\n    {\n      \"@type\":\"PropertyValue\",\n      \"name\":\"Application\",\n      \"value\":\"Mammalian cell culture, primary cell culture and stem cell culture\"\n    },\n    {\n      \"@type\":\"PropertyValue\",\n      \"name\":\"Endotoxin\",\n      \"value\":\"\u003c1 EU\/mL\"\n    },\n    {\n      \"@type\":\"PropertyValue\",\n      \"name\":\"Sterile Filtration\",\n      \"value\":\"\u003c0.1 μm filtration\"\n    },\n    {\n      \"@type\":\"PropertyValue\",\n      \"name\":\"Storage\",\n      \"value\":\"-20°C\"\n    }\n  ]\n}\n\u003c\/script\u003e \u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\":\"https:\/\/schema.org\",\n \"@type\":\"FAQPage\",\n \"mainEntity\":[\n {\n  \"@type\":\"Question\",\n  \"name\":\"What is XR FBS used for?\",\n  \"acceptedAnswer\":{\n   \"@type\":\"Answer\",\n   \"text\":\"XR FBS is a qualified fetal bovine serum designed for cell culture applications including mammalian cell expansion, primary cell culture and stem cell research.\"\n  }\n },\n {\n  \"@type\":\"Question\",\n  \"name\":\"Is XR FBS suitable for primary cell culture?\",\n  \"acceptedAnswer\":{\n   \"@type\":\"Answer\",\n   \"text\":\"Yes. XR FBS is tested across multiple cell types and supports primary cell culture workflows requiring reliable cell growth and consistent performance.\"\n  }\n },\n {\n  \"@type\":\"Question\",\n  \"name\":\"What quality tests are performed for XR FBS?\",\n  \"acceptedAnswer\":{\n   \"@type\":\"Answer\",\n   \"text\":\"XR FBS undergoes physicochemical testing, microbial testing and cell culture performance evaluation to ensure batch consistency.\"\n  }\n }\n ]\n}\n\u003c\/script\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n.pdp-container {\nfont-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;\ncolor:#333333;\nline-height:1.6;\nmax-width:1200px;\nmargin:0 auto;\npadding:15px;\n}\n\n.pdp-container h2 {\nfont-size:24px;\ncolor:#0B3C5D;\nborder-bottom:2px solid #328CC1;\npadding-bottom:8px;\nmargin-top:40px;\nmargin-bottom:20px;\nfont-weight:600;\n}\n\n.pdp-container h3 {\nfont-size:18px;\ncolor:#1D2731;\nmargin-top:30px;\nmargin-bottom:15px;\nfont-weight:600;\n}\n\n.pdp-container p {\nmargin-bottom:16px;\nfont-size:15px;\ncolor:#4A4A4A;\ntext-align:justify;\n}\n\n.pdp-container ul {\npadding-left:20px;\nmargin-bottom:24px;\n}\n\n.pdp-container li {\nmargin-bottom:10px;\nfont-size:15px;\ncolor:#4A4A4A;\nlist-style-type:square;\n}\n\n.pdp-table-responsive {\nwidth:100%;\noverflow-x:auto;\nmargin:25px 0;\nborder:1px solid #E0E0E0;\nborder-radius:6px;\n}\n\n.pdp-table {\nwidth:100%;\nborder-collapse:collapse;\nmin-width:650px;\nbackground:#FFFFFF;\n}\n\n.pdp-table td {\npadding:12px 16px;\nborder-bottom:1px solid #E0E0E0;\nfont-size:14px;\n}\n\n.pdp-table tr:nth-child(even){\nbackground:#F8F9FA;\n}\n\n.pdp-table td strong{\ncolor:#0B3C5D;\n}\n\n.pdp-img-container {\nmax-width:650px;\nmargin:24px auto;\npadding:10px;\nborder:1px solid #EEEEEE;\nborder-radius:8px;\nbackground:#FFFFFF;\ntext-align:center;\n}\n\n.pdp-img-container img {\nmax-width:100%;\nheight:auto;\n}\n\n.pdp-container details {\nbackground:#F8F9FA;\nborder:1px solid #E0E0E0;\nborder-radius:6px;\nmargin-bottom:12px;\npadding:14px 18px;\n}\n\n.pdp-container summary {\nfont-weight:600;\ncolor:#0B3C5D;\ncursor:pointer;\n}\n\u003c\/style\u003e\n\u003cdiv class=\"pdp-container\"\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eIn cell culture workflows, variations in serum quality, inconsistent growth performance and lot-to-lot differences can affect cell proliferation, morphology and experimental reproducibility. Selecting a reliable fetal bovine serum is essential for maintaining stable cell culture conditions across routine research applications.\u003c\/p\u003e\n\u003cp\u003eXR FBS Qualified Fetal Bovine Serum is a cell culture serum developed for mammalian cell culture, primary cell culture and stem cell research applications. XR evaluates multiple domestic and imported FBS products and selects serum batches based on cell growth performance, viability, morphology and functional maintenance across more than 100 cell models.\u003c\/p\u003e\n\u003cp\u003eEach batch of XR FBS undergoes strict quality evaluation including physicochemical testing, microbial testing and cell culture performance assessment. The serum is designed to provide consistent support for cell growth, expansion and maintenance in commonly used research workflows.\u003c\/p\u003e\n\u003cp\u003eXR FBS is suitable as a cell culture supplement for researchers working with established cell lines, primary cells and stem cell culture systems requiring dependable fetal bovine serum quality and stable experimental performance.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"pdp-table-responsive\"\u003e\n\u003ctable class=\"pdp-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXR FBS Qualified Fetal Bovine Serum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFetal Bovine Serum (FBS) for Cell Culture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMammalian cell culture, primary cell culture and stem cell research\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerum Grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eResearch grade cell culture serum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSource\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHealthy cattle from non-epidemic regions with traceable origin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.0–8.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEndotoxin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1 EU\/mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal Protein\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35–50 g\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHemoglobin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤200 mg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSterile Filtration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.1 μm filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMycoplasma\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot detected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVirus\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot detected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShelf Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResearch Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFor research use only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQualified fetal bovine serum for reliable cell culture performance\u003c\/strong\u003e — XR FBS is selected through comparative evaluation of multiple FBS products to provide consistent support for mammalian cell growth and maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMulti-cell model tested performance\u003c\/strong\u003e — XR FBS has been evaluated using more than 100 cell culture models, including established cell lines and primary cells, to assess cell viability, proliferation and morphology.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for mammalian cell culture workflows\u003c\/strong\u003e — Provides essential serum components including growth factors, proteins and nutrients required for routine cell expansion and maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSupports primary cell culture applications\u003c\/strong\u003e — Designed for researchers working with primary cells requiring stable growth conditions and reproducible experimental results.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with stem cell culture research\u003c\/strong\u003e — Suitable as a cell culture supplement for stem cell-related workflows including MSC expansion and maintenance studies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow endotoxin and contamination-controlled quality\u003c\/strong\u003e — Each batch is tested for endotoxin, microbial contamination, mycoplasma and viral safety indicators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSterile filtered cell culture serum\u003c\/strong\u003e — Manufactured using filtration processes designed to support clean and reliable laboratory workflows.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConsistent lot-to-lot performance\u003c\/strong\u003e — Batch screening helps reduce variability commonly associated with different serum sources.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePerformance Data\u003c\/h2\u003e\n\u003ch3\u003eCell Growth Performance Across Multiple Cell Types\u003c\/h3\u003e\n\u003cp\u003eXR FBS was evaluated across different commonly used cell culture models to compare cell morphology, attachment, viability and proliferation performance. Representative cell culture images demonstrate compatibility with various mammalian cell culture applications.\u003c\/p\u003e\n\u003cdiv class=\"pdp-img-container\" style=\"text-align: center;\"\u003e\n\u003cimg height=\"600\" width=\"1000\" loading=\"lazy\" alt=\"Cell morphology comparison of mammalian cell cultures maintained with XR FBS fetal bovine serum including 293T H9C2 HUVEC HU7 3T3 and mouse MSC cells\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0521\/5312\/2997\/files\/2_b1f25cf9-831f-440d-a9f2-a717c8d4c3ff.jpg?v=1784103183\" style=\"margin-bottom: 16px; float: none;\"\u003e\n\u003cp class=\"pdp-img-caption\"\u003e\u003cstrong\u003eRecommended alt:\u003c\/strong\u003e Cell morphology comparison of mammalian cell cultures maintained with XR FBS fetal bovine serum including 293T H9C2 HUVEC HU7 3T3 and mouse MSC cells\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eMulti-Cell Validation for Cell Culture Applications\u003c\/h3\u003e\n\u003cp\u003eXR FBS selection involves comparison of multiple fetal bovine serum products using diverse cell culture models. Evaluation parameters include cell viability, proliferation characteristics, morphology maintenance and functional performance to identify serum batches suitable for research applications.\u003c\/p\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eXR FBS Qualified Fetal Bovine Serum is designed for laboratories requiring dependable cell culture serum for routine expansion, maintenance and experimental research. Its tested performance supports a broad range of mammalian cell culture workflows including established cell lines, primary cells and stem cell-related studies.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMammalian cell culture\u003c\/strong\u003e — Supports routine culture and expansion of commonly used mammalian cell lines by providing essential serum-derived growth factors, proteins and nutrients.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary cell culture\u003c\/strong\u003e — Suitable for primary cell expansion and maintenance workflows where consistent cell growth conditions are required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStem cell culture research\u003c\/strong\u003e — Used as a serum supplement in stem cell research workflows including mesenchymal stem cell culture and expansion studies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMesenchymal stem cell (MSC) culture\u003c\/strong\u003e — Supports MSC maintenance and proliferation studies requiring reliable fetal bovine serum performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCell proliferation and expansion studies\u003c\/strong\u003e — Provides a supportive environment for evaluating cell growth characteristics and biological responses.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtein expression research\u003c\/strong\u003e — Suitable for cell culture systems used in recombinant protein expression and molecular biology workflows.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDrug discovery and screening research\u003c\/strong\u003e — Supports in vitro cell-based assays requiring stable culture conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBiotechnology and academic research\u003c\/strong\u003e — Applicable for laboratories conducting general cell biology, cellular engineering and life science research.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRecommended Cell Culture Workflow\u003c\/h2\u003e\n\u003cp\u003eXR FBS can be used as a serum supplement in standard cell culture workflows. Researchers typically add XR FBS to appropriate basal culture media according to the requirements of the selected cell type and experimental design.\u003c\/p\u003e\n\u003cp\u003eA typical workflow includes preparation of complete cell culture medium, cell seeding, routine culture maintenance, monitoring of cell morphology and evaluation of experimental endpoints.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePrepare complete culture medium by supplementing basal medium with XR FBS according to the cell culture protocol.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSeed cells at the recommended density according to cell type and application requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain cells under recommended culture conditions and monitor attachment, morphology and proliferation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerform downstream assays after cells reach the required experimental condition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose XR FBS?\u003c\/h2\u003e\n\u003cp\u003eSelecting an appropriate fetal bovine serum is critical for maintaining reproducible cell culture performance. Differences in serum source, processing methods and batch characteristics may influence cell growth rate, morphology and experimental consistency.\u003c\/p\u003e\n\u003cp\u003eXR FBS addresses these challenges through multi-source screening and performance evaluation across different cell culture models. By comparing more than 100 cell types and assessing parameters including cell viability, proliferation and morphology, XR identifies serum products with balanced performance and reliability.\u003c\/p\u003e\n\u003cp\u003eEach XR FBS batch undergoes quality control testing including physicochemical analysis, microbial testing and cell culture validation. This provides researchers with a stable cell culture supplement suitable for mammalian cells, primary cells and stem cell research applications.\u003c\/p\u003e\n\u003ch2\u003eQuality Control Testing\u003c\/h2\u003e\n\u003cdiv class=\"pdp-table-responsive\"\u003e\n\u003ctable class=\"pdp-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTesting Category\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eQuality Assessment\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysicochemical Testing\u003c\/td\u003e\n\u003ctd\u003epH, protein concentration and hemoglobin evaluation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEndotoxin Testing\u003c\/td\u003e\n\u003ctd\u003eEndotoxin level verification for cell culture compatibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrobial Testing\u003c\/td\u003e\n\u003ctd\u003eBacterial and fungal contamination testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMycoplasma Testing\u003c\/td\u003e\n\u003ctd\u003eMycoplasma contamination not detected\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVirus Testing\u003c\/td\u003e\n\u003ctd\u003eVirus screening performed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Culture Testing\u003c\/td\u003e\n\u003ctd\u003ePerformance evaluation using multiple cell culture models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eExperimental Considerations\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eXR FBS should be stored at -20°C and protected from repeated freeze-thaw cycles to maintain serum quality and performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBefore use in cell culture experiments, thaw XR FBS according to standard laboratory procedures and mix gently to ensure uniform distribution of serum components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe optimal FBS concentration may vary depending on cell type, basal medium formulation and experimental objectives. Researchers should determine the appropriate supplementation ratio for each application.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDifferent cell types may exhibit different responses to serum components. Cell culture conditions should be optimized according to specific experimental requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eXR FBS is intended for research use only and is not intended for human or veterinary therapeutic applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is XR FBS Fetal Bovine Serum used for?\u003c\/summary\u003e\n\u003cp\u003eXR FBS is a qualified fetal bovine serum designed for cell culture applications, including mammalian cell culture, primary cell culture and stem cell research. It provides serum-derived growth factors, proteins and nutrients that support cell growth and maintenance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between FBS and fetal calf serum?\u003c\/summary\u003e\n\u003cp\u003eFBS (Fetal Bovine Serum) and fetal calf serum are commonly used terms referring to serum collected from fetal bovine sources. Both terms describe serum supplements widely used in cell culture applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs XR FBS suitable for mammalian cell culture?\u003c\/summary\u003e\n\u003cp\u003eYes. XR FBS is designed for mammalian cell culture workflows and has been evaluated using multiple mammalian cell models, including commonly used cell lines and primary cells.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan XR FBS be used for primary cell culture?\u003c\/summary\u003e\n\u003cp\u003eYes. XR FBS supports primary cell culture applications by providing a consistent serum environment suitable for cell expansion and maintenance research.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan XR FBS be used for stem cell culture?\u003c\/summary\u003e\n\u003cp\u003eYes. XR FBS can be used as a cell culture supplement in stem cell research workflows, including mesenchymal stem cell culture and expansion studies.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat cell types have been tested with XR FBS?\u003c\/summary\u003e\n\u003cp\u003eXR FBS has been evaluated using multiple cell models including 293T, H9C2, HUVEC, HU7, 3T3 and mouse primary MSC cells to assess cell viability, proliferation and morphology performance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow does XR FBS ensure batch consistency?\u003c\/summary\u003e\n\u003cp\u003eXR FBS batches undergo quality evaluation including physicochemical testing, microbial testing and cell culture performance assessment. Batch screening helps reduce variability between different serum lots.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat quality tests are performed on XR FBS?\u003c\/summary\u003e\n\u003cp\u003eXR FBS is tested for pH, endotoxin level, total protein content, hemoglobin level, microbial contamination, mycoplasma contamination and viral safety indicators.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs XR FBS a sterile filtered cell culture serum?\u003c\/summary\u003e\n\u003cp\u003eYes. XR FBS is processed using filtration procedures including filtration below 0.1 μm to support sterile cell culture workflows.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the endotoxin level of XR FBS?\u003c\/summary\u003e\n\u003cp\u003eThe endotoxin level of XR FBS is controlled at less than 1 EU\/mL according to product quality specifications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow should XR FBS be stored?\u003c\/summary\u003e\n\u003cp\u003eXR FBS should be stored at -20°C. Proper storage conditions help maintain serum quality and support reliable cell culture performance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow long is the shelf life of XR FBS?\u003c\/summary\u003e\n\u003cp\u003eThe recommended shelf life of XR FBS is 12 months when stored under appropriate conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes XR FBS contain mycoplasma?\u003c\/summary\u003e\n\u003cp\u003eNo. XR FBS undergoes mycoplasma testing, and mycoplasma contamination is not detected according to product specifications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy choose qualified FBS instead of standard fetal bovine serum?\u003c\/summary\u003e\n\u003cp\u003eQualified FBS products are evaluated through additional quality and performance testing to improve reliability for research workflows. XR FBS is screened using multiple cell culture models to provide consistent cell growth support.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"XRbio","offers":[{"title":"50mL*10","offer_id":52805070651573,"sku":"XRFBS10-500","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/5312\/2997\/files\/1_6f589dfc-7808-4005-b751-36f359f87f5c.jpg?v=1784103272","url":"https:\/\/biofargo.com\/products\/xr-fetal-bovine-serum","provider":"Biofargo","version":"1.0","type":"link"}