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2. Bi-Functional PEGs

Bi-functional PEGs are the most popular derivatives for cross-linking between proteins, enzymes and other pharmaceutical substance. Recently, these PEGs can be applied for Hydro Gel components for base matrix of iPS cells or EPS cells in tissue engineering.

 

H2N-(CH2)3O-PEG-(CH2)3-NH2, Mw 1,000   


H2N-(CH2)3O-PEG-(CH2)3-NH2, Mw 2,000   


NHS-OCOCH2O-PEG-CH2COO-NHS, Mw 3,000   


NHS-OCO(CH2)2COO-PEG-CO(CH2)2COO-NHS, Mw 3,400   


NHS-OCO(CH2)3COO-PEG-CO(CH2)3COO-NHS, Mw 3,400   


NHS-OCO(CH2)5O-PEG-(CH2)5COO-NHS, Mw 3,400   


H2N-(CH2)3O-PEG-(CH2)3-NH2, Mw 3,400   


HS-CH2CH2O-PEG-CH2CH2-SH, Mw 3,400


NHS-OCO(CH2)3COO-PEG-CO(CH2)3COO-NHS, Mw 10,000   


NHS-OCO(CH2)5O-PEG-(CH2)5COO-NHS, Mw 10,000   


Maleimide-(CH2)2CONH(CH2)3O-PEG-(CH2)3-NHCO-(CH2)2-Maleimide, Mw 10,000


H2N-(CH2)3O-PEG-(CH2)3-NH2, Mw 10,000