I. [Product Description]
OPSS-PEG-NTA-Ni is a multifunctional organic intermediate that integrates the rapid coupling property of ortho-pyridyl disulfide (OPSS), the biocompatibility of polyethylene glycol (PEG), and the metal chelating ability of NTA-Ni. It is widely used in protein coupling, metal affinity chromatography, and biocatalytic systems. Its modular design can serve as an efficient catalyst carrier or pharmaceutical intermediate, suitable for the precise regulation of complex biological systems.

II. [Product Details]
    [Appearance] Depending on different molecular weights, it appears as a white/ off-white solid or a viscous liquid.
    [Stability] Store under refrigeration and avoid repeated freezing and thawing.
    [Solvent] Conventional organic solvents such as chloroform, dichloromethane, and DMSO.
    [Molecular Weight] (PEG): 2000, 3400, 5000. Other molecular weights can be customized.
    [Storage Conditions] Store at a low temperature below 4°C in a sealed and dry environment.
▪ Precautions: ▶ To ensure product stability, please open the package for use only after constant-temperature drying!

III. [Application Fields]
    1. Site-specific labeling and purification of target proteins (based on the specific binding of NTA-Ni to histidine tags).
    2. Surface functionalization of nanoparticles (through the efficient coupling of OPSS with thiol groups).
    3. Construction of metal-ion-responsive drug delivery systems (using the controlled release of metal chelation by NTA).
    4. Immobilization of enzymes and optimization of catalytic activity (PEG enhances stability, and NTA provides a directional anchoring site).
    5. Development of biosensors (based on the signal amplification mechanism of metal coordination).

Note: The products sold by our company are only for scientific research and cannot be used in human experiments or human treatment.

Chongqing Yusi Pharmaceutical Technology Co., Ltd. operates based on an integrated business model of independent R & D, production, and sales, providing professional scientific research reagents for university scientific research experiments. Compared with similar products in the market, our company's products have obvious price advantages. In addition, we also provide professional product customization services.

If you need other products, please contact us:
Contact Information:
Landline: 023-62795528
Customer Service Hotline: 19112925095 丨 QQ: 3012135199
                                           18896157519 丨 QQ: 3354316092

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