Materials Science

Bis-PEG21-acid is a PEG derivative containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators

Bis-PEG21-acid is a PEG derivative containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators

Bis-PEG21-acid is a PEG derivative containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators

Bis-PEG25-acid is a PEG derivative containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators

Bis-PEG25-acid is a PEG derivative containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators

Bis-PEG25-acid is a PEG derivative containing two terminal carboxylic acid groups. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acids can be reacted with primary amine groups in the presence of activators

Bis-PEG25-NHS ester is a PEG derivative containing two NHS ester groups. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and

Bis-PEG25-NHS ester is a PEG derivative containing two NHS ester groups. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and

Bis-PEG25-NHS ester is a PEG derivative containing two NHS ester groups. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and

Bis-PEG25-TFP ester is a PEG derivative with two terminal TFP ester moieties. TFP esters are amine reactive and are also more stable than NHS esters against hydrolysis. The PEG chain increases the water solubility properties of compounds in aqueous

Bis-PEG25-TFP ester is a PEG derivative with two terminal TFP ester moieties. TFP esters are amine reactive and are also more stable than NHS esters against hydrolysis. The PEG chain increases the water solubility properties of compounds in aqueous

Bis-PEG25-TFP ester is a PEG derivative with two terminal TFP ester moieties. TFP esters are amine reactive and are also more stable than NHS esters against hydrolysis. The PEG chain increases the water solubility properties of compounds in aqueous