Chapter 1: Basic Properties

Abbreviations: 6-arm PEG-NH2; 6-arm-PEG-amine Names: Hexa-armed polyethylene glycol amine; Hexa-arm PEG amine; Hexa-arm polyethylene glycol amine Molecular Weight: Common molecular weights include 1k, 2k, 3.4k, 5k, 10k, 20k, and can be customized as per requirements. Physical Characteristics: Solid or liquid, depending on the molecular weight. Specifications: Common specifications are 1g, 5g, 10g, and also offer product development services in milligram and kilogram scales.

Chapter 2: Physical and Chemical Properties

Solubility: Soluble in most organic solvents and water. Reactivity: The amino groups of 6-arm PEG-NH2 readily form stable amide bonds with carboxyl groups (-COOH) and can also react with active esters (-NHS) under pH 7-8.5 conditions.

Chapter 3: Storage and Applications

Storage Conditions: Store in a dry environment at -20°C, avoiding frequent freeze-thaw cycles. Applications: Biocompatibility: Exhibits excellent biocompatibility and stability, suitable for biomedical applications. Molecular Modification and Conjugation: Capable of reacting with various molecules for modification or conjugation of target molecules. Biosensors and Imaging Agents: Can be used as components of biosensors or imaging agents, enabling sensitive and selective detection of biomolecules through specific binding. Nanoparticle Modification: Functions as a surface modifier for nanoparticles, enhancing their stability and biocompatibility, thereby expanding their applications in areas such as biomedical imaging.

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