Bi-Functional PEGs

Bi-functional PEGs are popular crosslinking agents for proteins and other pharmaceutical substances to improve their solubility. Recently, these PEGs are also applied for hydrogel components.

NHS PEG

Amine PEG

Thiol PEG

Maleimide PEG

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H2N-(CH2)3O-PEG-(CH2)3-NH2, Mw 10,000   
H2N-(CH2)3O-PEG-(CH2)3-NH2, Mw 20,000   
H2N-(CH2)3O-PEG-(CH2)3-NH2, Mw 30,000   
HS-CH2CH2O-PEG-CH2CH2-SH, Mw 3,400
HS-CH2CH2O-PEG-CH2CH2-SH, Mw 10,000

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HS-CH2CH2O-PEG-CH2CH2-SH, Mw 20,000

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Maleimide-(CH2)2CONH(CH2)3O-PEG-(CH2)3-NHCO-(CH2)2-Maleimide, Mw 10,000
Maleimide-(CH2)2CONH(CH2)3O-PEG-(CH2)3-NHCO-(CH2)2-Maleimide, Mw 20,000
NHS-OCOO-PEG-COO-NHS, Mw 10,000
NHS-OCOO-PEG-COO-NHS, Mw 40,000
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