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In Stock & Ready to Ship | Chromogenic Substrate S-2302: A Classic Reagent for Plasma Kallikrein (KLK) Activity Assays
2026/2/2 16:41:37GeneSeqTools offers chromogenic substrate S-2302 (CAS: 62354-56-7) for kallikrein (KLK) in ready stock. This well-established chromogenic substrate is specifically designed for the detection of plasma kallikrein activity. With HPLC purity ≥98%, it ensures reliable and reproducible assay performance. Available in multiple standard sizes—1 mg, 5 mg, and 100 mg—with custom packaging options also supported.
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Happy Lunar New Year to Our Valued Partners | GeneSeqTools 2026 Spring Festival Holiday Notice
2026/1/30 10:22:49As the Lunar New Year approaches, in accordance with national holidays and company arrangements, GeneSeqTools will observe the following holiday schedule: February 13 to March 1, 2026 (inclusive) — 17 days off. Normal operations will resume on March 2, 2026.
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Recommended Series | Ready-to-Use! 7-deaza-dGTP Solution: A Standardized, Plug-and-Play Tool for Research
2026/1/29 10:27:117-deaza-dGTP is a structurally modified deoxynucleoside triphosphate that can be efficiently incorporated by DNA polymerases. It is widely used in nucleotide structure–function studies and PCR optimization for high-GC templates. GeneSeqTools offers 7-deaza-dGTP as a ready-to-use 10 mM aqueous solution—no reconstitution needed. With precisely calibrated concentration and exceptional batch-to-batch consistency, it ensures high experimental reproducibility. Ideal for high-GC PCR amplification, telomerase activity assays, and RT-qPCR system optimization, this solution is the perfect choice for standardized molecular research.
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New In-Stock Product | o-Nitrophenyl-α-D-galactopyranoside (ONP-α-Gal, CAS: 19887-85-5) Now Available: A Classic Chromogenic Substrate for α-Galactosidase
2026/1/27 15:40:38o-Nitrophenyl-α-D-galactopyranoside (ONP-α-Gal, CAS: 19887-85-5) is a classic chromogenic substrate for α-galactosidase detection. GeneSeqTools offers this reagent in ready stock across multiple packaging sizes—10 g, 25 g, and 100 g—with custom packaging options available upon request. Featuring excellent chemical stability and batch-to-batch consistency, ONP-α-Gal is ideal for academic researchers and industrial users developing highly reproducible and reliable enzymatic assays.
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In Stock Series | Precisely Target E. coli: A Versatile Chromogenic System with Multiple β-D-Glucuronidase (GUS) Substrate Options
2026/1/23 16:59:20How can the specific enzymatic activity of Escherichia coli be converted into a visible signal? This article focuses on β-D-glucuronidase (GUS) and its family of chromogenic substrates, explaining the rapid, specific, and visual detection principle behind this widely used method. GeneSeqTools offers a mature and reliable β-GUS detection system, with a comprehensive substrate portfolio covering indigo blue, magenta, salmon red, and other distinct colors—available in both solid chromogenic and liquid colorimetric formats. Ready stock in multiple packaging sizes supports robust assay development for food safety, water quality, and environmental monitoring applications.
