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α-L-Arabinopyranosidase Substrates | Why Is Your Colony Screening Always Giving Wrong Results? You Might Be Using the Wrong α-L-Arabinopyranosidase Substrate
2026/3/20 14:35:48For accurate detection of α-L-arabinopyranosidase activity, GeneSeqTools offers a comprehensive portfolio of substrates spanning fluorescent (e.g., 4-MU-α-L-Arap), colorimetric (e.g., PNP-α-L-Arap), and chromogenic (e.g., X-α-L-Arap) formats. Designed to match diverse instrumentation and workflow requirements, our high-purity substrates support reliable microbial identification, enzyme kinetics studies, and chromogenic media development—helping you select the optimal probe and establish robust, reproducible assays quickly.
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Domestic Exclusive | Ru(bpy)2dppz(PF6)2: A Classic “Light-Switch” Luminescent Probe for DNA
2026/3/19 11:27:48Ru(bpy)₂dppz(PF₆)₂ (CAS: 87564-74-7) is a classic ruthenium(II) polypyridyl complex renowned for its distinctive DNA “light-switch” effect—exhibiting dramatically enhanced luminescence upon binding to double-stranded DNA. With high purity and excellent signal stability, GeneSeqTools offers this probe in ready stock in multiple sizes: 10 mg, 100 mg, and 1 g. It is ideal for DNA-binding studies, conformational analysis, photophysical and photochemical research, and the development of electrochemical biosensors.
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New In-Stock Product | pNPP (CAS: 4264-83-9): A Classic Colorimetric Substrate for Alkaline Phosphatase Activity Assays
2026/3/12 16:40:45Disodium 4-nitrophenyl phosphate (pNPP, CAS: 4264-83-9) is a well-established colorimetric substrate for alkaline phosphatase (ALP) activity detection, with purity ≥98%. Strict control of free impurities ensures exceptionally low background signal. GeneSeqTools offers pNPP in ready-to-ship stock in multiple sizes—1 g, 5 g, and 25 g—with custom packaging available upon request. Ideal for ELISA, enzyme activity assays, and IVD reagent development.
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Recommended Series | α-D-Xylosidase Detection Substrates: Chromogenic, Colorimetric & Fluorescent Options — From Colony Screening to High-Sensitivity Quantification
2026/3/6 15:04:15GeneSeqTools offers a complete portfolio of α-D-xylosidase detection substrates, covering three classic signal modalities: chromogenic (X-α-Xyl), colorimetric (PNP-α-Xyloside), and fluorescent (4-MU-α-D-Xyloside). These reagents support qualitative colony screening, enzyme kinetic assays, and trace-level quantification with high reliability. All products are ≥98% pure by HPLC and available in multiple standard sizes, with custom packaging options. Colorimetric and fluorescent substrates are in ready stock for immediate research use.
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Hot Product | H-Pro-AMC Fluorescent Substrate for Prolyl Aminopeptidase Activity Assays
2026/2/11 16:09:26For the detection of proline-specific peptidases such as Fibroblast Activation Protein (FAP) and Prolyl Aminopeptidase (PAP), GeneSeqTools recommends high-quality fluorescent substrate H-Pro-AMC. Available in two ready-to-ship forms—water-soluble HBr salt and free base—this substrate delivers high sensitivity and excellent batch-to-batch consistency. Ideal for enzymology research and diagnostic kit development, with custom packaging options available and stock ready for immediate dispatch.
