Product Name :
Acetal-PEG-NHS , MW 2k
Classification :
PEG Products / Acetal-PEG-NHS , MW 2k
Description :
Aldehyde-PEG-Acid and its protected version Acetal-PEG-Acid, and more commonly used Acetal-PEG-NHS are used to crosslink two amine-containing materials such as crosslinking protein to AFM tips having amine groups, crosslinking two proteins and antibodies, crosslinking amine-containing nanoparticles to enzymes. To crosslink a protein to an aminated surface, Acetal-PEG-NHS is reacted first with the surface, followed by acidic removal of acetal and regeneration of aldehyde, which is then reacted with the amine groups of proteins.
Properties:
Molecular weight: MW of PEG was measured by MALDI-MS or GPC. PDI (polydispersity index) of our linear PEG is 1.02-1.05 with very narrow MW distribution. The number of repeating ethylene oxide units (CH2CH2O) or the degree of polymerization is calculated dividing the PEG MW by 44 (44 is the molecular mass of one repeating unit).Solubility: Soluble in water and aqueous buffer, chloroform, methylene chloride, DMF, DMSO, and less soluble in alcohol, toluene. Not soluble in ether.Density: PEG density is approximately 1.125 g/mLPhysical form: PEG products generally appear as white or off-white powder, and for very low MW linear PEG such as MW 1k or less, it may appear as wax-like, semi-solid material due to the low MW and the type of functional groups.Storage condition: PEG product shall be stored in the original form as received in a freezer at -20C or lower for long term storage. Stock solution of PEG reagents that do not contain oxygen or moisture sensitive functional groups may be temporarily stored in a refrigerator or ambient temperature for multiple days. Stock solution should avoid repeated freeze-and-thaw cycles. See Documents section for detailed storage and handling conditions.
References:
1. Linking of Sensor Molecules with Amino Groups to Amino-Functionalized AFM Tips, Bioconjugate Chem., 2011, 22 (6), pp 1239-1248, Text.2. Evaluation of Multivalent Sialylated Polyglycerols for Resistance Induction in and Broad Antiviral Activity against Influenza A Viruses, J. Med. Chem. 2021, 64, 17, 12774–12789, Text.Click here to view an expanded list of hundreds of publications citing Creative PEGWorks products.
Related websites: https://www.medchemexpress.com/antibodies.html
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