{"componentType":"manufacturer","data":{"id":170008831,"name":"Repligen","description":"\u003Cp\u003E\u003Ca href=\u0022https://www.repligen.com/\u0022 target=\u0022_blank\u0022 rel=\u0022noopener\u0022\u003ERepligen\u003C/a\u003E is a premier American bioprocessing company headquartered in Waltham, Massachusetts. Since its founding in 1981 by MIT professors, the company has spent over four decades fulfilling its mission to \u0022Inspire Advances in Bioprocessing,\u0022 becoming a global leader in the development of technologies for biological drug manufacturing. Repligen is internationally renowned for its expertise in filtration, chromatography, and process analytics, specifically through its iconic Spectra/Por\u00AE dialysis membranes and XCell\u00AE ATF systems. By focusing on intensifying biopharmaceutical production workflows\u2014integrating single-use technologies and advanced fluid management\u2014the brand ensures that researchers and manufacturers can maximize yield and purity. Today, Repligen is an essential partner for life sciences and biopharmaceutical firms in over 100 countries, delivering high-tech engineering that accelerates the production of monoclonal antibodies, vaccines, and gene therapies worldwide.\u003C/p\u003E \u003Cp\u003E\u0026nbsp;\u003C/p\u003E \u003Cp\u003EThe Repligen range at LabFriend features professional \u003Ca href=\u0022/life-sciences\u0022\u003Elife science\u003C/a\u003E solutions, headlined by their world-standard Spectra/Por\u00AE dialysis membranes and Float-A-Lyzer\u00AE G2 ready-to-use devices. These are essential for the efficient separation, desaltation, and purification of proteins and nucleic acids. For specialized concentration and buffer exchange, the brand provides advanced \u003Ca href=\u0022/purification\u0022\u003Epurification\u003C/a\u003E support through their range of tangential flow filtration (TFF) cassettes and hollow fiber filters, designed for scalable performance from lab to production. Their portfolio also encompasses essential \u003Ca href=\u0022/analytical-measurement-and-testing\u0022\u003Eanalytical measurement\u003C/a\u003E aids, featuring specialized Slope Spectroscopy\u00AE tools and pre-packed OPUS\u00AE chromatography columns for rapid process development. To support modern genomic and proteomic workflows, Repligen offers high-purity Biotech-grade membranes that are certified free of heavy metals and sulfides. By choosing Repligen through LabFriend, you benefit from \u003Cstrong\u003Ecompetitive pricing\u003C/strong\u003E and \u003Cstrong\u003Efast shipping\u003C/strong\u003E on premium bioprocessing technology designed for professional consistency and breakthrough efficiency.\u003C/p\u003E \u003Cp\u003E\u0026nbsp;\u003C/p\u003E \u003Ch2\u003EWhy Choose Repligen for Your Laboratory?\u003C/h2\u003E \u003Cul\u003E \u003Cli\u003E\u003Cstrong\u003EPioneer in Upstream Intensification\u003C/strong\u003E: Repligen is the innovator behind the XCell\u00AE ATF technology, which significantly increases cell density and productivity in bioreactor processes.\u003C/li\u003E \u003Cli\u003E\u003Cstrong\u003EBroadest Range of Dialysis Membranes\u003C/strong\u003E: With the Spectra/Por\u00AE portfolio, Repligen offers the widest selection of Molecular Weight Cut-Offs (MWCO) and chemistries to suit any molecular separation need.\u003C/li\u003E \u003Cli\u003E\u003Cstrong\u003EUnmatched Purity for Sensitive Samples\u003C/strong\u003E: Their Biotech-grade Cellulose Ester (CE) membranes offer the lowest protein binding and highest purity for critical research in proteomics and drug discovery.\u003C/li\u003E \u003Cli\u003E\u003Cstrong\u003EScalable Solutions\u003C/strong\u003E: Repligen technologies are designed to bridge the gap between benchtop research and commercial-scale manufacturing, ensuring a seamless tech transfer.\u003C/li\u003E \u003Cli\u003E\u003Cstrong\u003EInnovative \u0022Ready-to-Use\u0022 Formats\u003C/strong\u003E: From pre-wetted dialysis tubing to pre-packed chromatography columns, Repligen products are engineered to save time and reduce the risk of human error.\u003C/li\u003E \u003C/ul\u003E \u003Cp\u003E\u0026nbsp;\u003C/p\u003E \u003Ch2\u003EFrequently Asked Questions\u003C/h2\u003E \u003Cp\u003E\u003Cstrong\u003E1. How do I choose the correct Molecular Weight Cut-Off (MWCO) for dialysis?\u003C/strong\u003E\u003Cbr /\u003ETo maximize the dialysis rate while ensuring high sample recovery, select an MWCO that is approximately half the molecular weight of the macromolecule you wish to retain.\u003C/p\u003E \u003Cp\u003E\u0026nbsp;\u003C/p\u003E \u003Cp\u003E\u003Cstrong\u003E2. What is the difference between RC and CE dialysis membranes?\u003C/strong\u003E\u003Cbr /\u003ERegenerated Cellulose (RC) is robust and has good chemical compatibility for general use, while Cellulose Ester (CE) is ultra-pure with significantly lower protein binding, ideal for sensitive biological samples.\u003C/p\u003E \u003Cp\u003E\u0026nbsp;\u003C/p\u003E \u003Cp\u003E\u003Cstrong\u003E3. Are Spectra/Por\u00AE membranes ready to use out of the box?\u003C/strong\u003E\u003Cbr /\u003EStandard RC membranes may require a brief soak in deionized water to remove preservatives (glycerin). Biotech-grade membranes are typically ready-to-use after a quick rinse to remove trace sodium azide.\u003C/p\u003E \u003Cp\u003E\u0026nbsp;\u003C/p\u003E \u003Cp\u003E\u003Cstrong\u003E4. Can I use Repligen TFF cassettes in systems from other manufacturers?\u003C/strong\u003E\u003Cbr /\u003EYes, many Repligen TangenX\u00AE SIUS\u00AE cassettes are designed to be compatible with industry-standard holders, allowing for easy integration into your existing filtration setup.\u003C/p\u003E","metaKeywords":"Repligen, Spectra/Por, dialysis membrane, bioprocessing, tangential flow filtration, chromatography, XCell ATF, protein purification, Float-A-Lyzer","metaDescription":"Advance your bioprocessing with Repligen. Global leaders in dialysis, filtration, and chromatography solutions. Shop LabFriend for fast shipping and top prices.","metaTitle":"Repligen | Inspiring Advances in Bioprocessing \u0026 Purification","seName":"repligen","image":{"imageUrl":null,"thumbImageUrl":null,"fullSizeImageUrl":null,"title":"Show products manufactured by Repligen Europe B.V.","alternateText":"Picture for manufacturer Repligen Europe B.V.","id":0,"customProperties":{}},"storeSeoData":[{"storeId":12,"seoName":"repligen","isDefault":false},{"storeId":1,"seoName":"repligen","isDefault":true},{"storeId":6,"seoName":"repligen","isDefault":false},{"storeId":4,"seoName":"repligen","isDefault":false},{"storeId":14,"seoName":"repligen","isDefault":false},{"storeId":3,"seoName":"repligen","isDefault":false},{"storeId":13,"seoName":"repligen","isDefault":false},{"storeId":18,"seoName":"repligen","isDefault":false}]},"title":"Repligen"}