China Hunan Yunbang Biotech Inc. company news

Among the many biological buffers available, TAPS is widely used to optimize the hydrophilicity and anti-fouling properties of PVDF and PVC blend membranes, thanks to its excellent grafting and modification capabilities. However, many researchers may not realize that TAPS is also a zwitterionic ... Read More

BES (N,N-bis(2-hydroxyethyl)-2-aminoethanesulfonic acid) is a Good’s zwitterionic buffer with an effective buffering range of pH 6.4–7.8, widely used in applications such as enzymatic assays, biochemical experiments, and in vitro diagnostic reagents. While a freshly prepared, high-quality BES buffer ... Read More

What is Tromethamine? Tromethamine (abbreviated as Tris; chemical name: tris(hydroxymethyl)aminomethane; CAS No. 77-86-1) appears as a white crystalline powder. Its core advantages include a stable buffering range of pH 7.0–9.2, excellent water solubility, high biocompatibility, and low irritation. ... Read More

CAS No.: 65072-00-6 | English Name: Acid Hydrolyzed Casein Source and Preparation: Produced from bovine milk casein through strong acid hydrolysis, followed by desalting, decolorization, purification, and drying; it is a standard protein hydrolysate reagent widely used in biological laboratories. ... Read More

In the medical industry, the in vitro diagnostic (IVD) market occupies a pivotal position, and its development trend has always attracted much attention. Entering 2025, the IVD diagnostic market has shown many new changes and trends, and whether the demand for reagent raw materials will surge has ... Read More

In experimental fields such as biochemistry and molecular biology, buffers are key reagents for maintaining the pH stability of the system. PIPES (piperazine-1,4-diethanesulfonic acid), as a commonly used non-ionic buffer, is widely used in experimental scenarios such as cell culture, enzyme ... Read More

The biological buffer Bicine (N,N-dihydroxyethylglycine) exhibits excellent buffering capacity in the pH range of 7.6-9.0 due to its unique zwitterionic properties and is widely used in enzyme catalysis, protein purification, and cosmetic science. However, its pH stability is highly sensitive to ... Read More

I. What is Aprotinin? Aprotinin A naturally occurring small-molecule polypeptide and a classic broad-spectrum serine protease inhibitor. Composed of 58 amino acids; structurally stable. CAS Number: 9087-70-1 Appearance: White to off-white powder; readily soluble in water and physiological saline. In ... Read More

Hematoxylin is a classic natural staining reagent with a century-long history in biological microscopy. Suitable for a wide range of applications, it serves as a fundamental reagent for the microscopic observation of cells and tissues, spanning fields such as scientific research, clinical medicine, ... Read More

In biomedical research, the regulation of protease activity is crucial for ensuring experimental precision. Leupeptin Hemisulfate (CAS No. 103476-89-7)—a widely used protease inhibitor—has become an indispensable auxiliary reagent in the laboratory, distinguished by its high specificity. Today, we ... Read More