Protein stabilizer | Pure sericin, improvement of storage stability
Pure Sericin
A natural-derived protein stabilizer that maintains activity even after heating at 60℃ for 1 hour, improving storage stability for diagnostic reagents and enzyme preparations, serving as an alternative to BSA or as an additive.
Pure sericin is a high-purity protein derived from silk cocoons. In a heat stress test at 60°C for 1 hour, while the industry-standard BSA significantly loses activity, it has been confirmed that the addition of pure sericin maintains almost all of its activity (Patent No. 5022673). It can be used as an additive to improve the storage stability of diagnostic reagents and enzyme preparations. *The detailed usage method, such as whether it is used alone or in combination with other components, is currently under review, so please contact us first. It is free from mammalian-derived components and can be supplied stably with minimal lot variation.
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basic information
【Properties】Powder 【Usage】Please use it blended as an additive (for detailed recommended addition conditions, please consult individually) 【Origin】High-purity protein derived from silkworm cocoons 【Specifications】Available in grades suitable for various applications 【Packaging Unit】From 100g units (negotiable)
Price information
Negotiable
Delivery Time
※Delivery times may vary depending on quantity and grade, so please feel free to contact us.
Applications/Examples of results
Stabilizers for diagnostic drugs and enzyme preparations, contributing to improved storage stability.
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Company information
Seiren Co., Ltd. is a comprehensive textile manufacturer founded over 130 years ago and listed on the Prime Market of the Tokyo Stock Exchange. Guided by our vision of "changing the world through dreams," we have built on core competencies accumulated over more than a century in the textile industry to develop high-value-added businesses that extend far beyond textiles, spanning digital manufacturing and life sciences. ■ Inkjet Solutions Business "VISCOTECS" is our proprietary digital production system that integrates planning, manufacturing, and sales into a single seamless process. It enables high-mix, low-volume, short-lead-time, and inventory-free production, realizing an environmentally friendly business model that delivers "what you want, when you want it, in the quantity you need." Our inkjet technology has been applied across a wide range of businesses, including: - Integrated inkjet manufacturing solutions that address diverse customer challenges through our own end-to-end inkjet production capabilities - High-precision industrial inkjet systems for fine printing and precision coating applications - Customized mass-production inkjet systems tailored to customer needs in non-textile fields ■ Pure Sericin (Biomaterial) Business "Pure Sericin" is a high-purity, multifunctional protein derived from silk cocoons and manufactured using our proprietary purification technology. Originally developed through decades of expertise in silk processing, this innovative biomaterial has found new applications in the life sciences field, where it is used as: - A blocking agent for ELISA and other immunoassays, demonstrating a non-specific adsorption inhibition rate comparable to or exceeding that of BSA (bovine serum albumin), while contributing to animal-free formulations - An additive for the cryopreservation of iPS cells and stem cells, offering a DMSO-free, low-toxicity alternative that supports higher post-thaw cell viability - A booster for cell culture media, added at low concentrations to support cell proliferation and viability, with growth-promoting effects comparable to FBS (fetal bovine serum) in hybridoma cell culture Free from mammalian-derived components, Pure Sericin is manufactured and supplied with consistent quality at our own domestic facility, and has already been adopted by manufacturers of in vitro diagnostic reagents. With decades of experience in stable, large-scale production, we are committed to being a reliable long-term partner for the life sciences industry.
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