PEG

Biotin-PEG-azide, MW 3,400 is a biotinylation polymer for click chemistry with alkyne. Biotin has exceptionally strong interaction with avidin or streptavidin and is used for non-radioactive labeling and purification of proteins and other target molecules. Reagent grade, for research purpose.

Biotin-PEG-azide, MW 5,000 is used for non-radioactive labeling and purification of proteins and other target molecules. Biotin has exceptionally strong binding with avidin or streptavidin. The azide moiety can react with terminal alkyne via CuAAC or with cyclooctyne (BCN/DBCO) via SPAAC to form a stable triazole linkage. Reagent grade, for research purpose.

Biotin-PEG-azide, MW 10,000 has strong binding with avidin or streptavidin used for labeling or purification of proteins. The azide can react with alkyne, such as terminal alkyne or cyclooctyne (DBCO/BCN), to from a triazole bond. Reagent grade, for research purpose.

Lipoamido-PEG-azide, MW 1,000 is a lipoic acid PEG derivative for surface modification of metallic particles/film. It can be used for click chemistry with alkyne containing molecule. PEG chain linked to lipoic acid offers good water solubility, flexible linker structure, and enhanced biocompatibility. Reagent grade, for research purpose.

Lipoamido-PEG-azide, MW 5,000 is a lipoic acid polymer with flexible PEG chain to enhance biocompatibility and water solubility. It is used for surface modification or grafting of metal nanoparticles. The azide group enables click chemistry with alkyne, such as terminal alkyne or cyclooctyne (DBCO/BCN), to form a stable triazole linkage. Reagent grade, for research purpose.

Azide-PEG-thiol, MW 5,000 can undergo click reaction with alkyne moiety via CuAAC or SPAAC to form a stable triazole bond. The polymer is reactive with maleimide containing molecule at pH 6.5-7.5 to form a stable thiother bond. Reagent grade, for research purpose.

Azide-PEG-thiol, MW 10,000 is a heterobifunctional PEG derivative with azide and thiol terminus. Azide can react with alkyne via click chemistry. Thiol can react with maleimida via thiother bond formation. Reagent grade, for research purpose.

HO-PEG-CH2CO2tBu, MW 1,000 is a carboxylate t-butyl ester PEG reagent. The terminal hydroxyl can further derivatize the compound. The t-butyl ester group can be hydrolyzed under acidic/basic condition. Reagent grade, for research purpose.

Folate-PEG-Mal, MW 1,000 is a thiol reactive PEG derivative which can strongly bind to folate receptor commonly found in tumor tissue. Reagent grade, for research purpose.