Bromoacetamido-PEG4- NHS ester

Supplier: Apollo Scientific

Bromoacetamido-PEG4- NHS ester

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SBAP (Succinimidyl 3-(bromoacetamido)propionate)

Supplier: Apollo Scientific

SBAP (Succinimidyl 3-(bromoacetamido)propionate)

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Mal-amido-PEG4-NHS

Supplier: Apollo Scientific

Mal-amido-PEG4-NHS

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SBAP (Succinimidyl 3-(bromoacetamido)propionate), Pierce™

Supplier: Thermo Fisher Scientific

Thermo Scientific Pierce SBAP is a short (6.2 angstrom) crosslinker for amine-to-sulfhydryl conjugation via N-hydroxysuccinimide (NHS) ester and bromoacetyl reactive groups.

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SBAP (Succinimidyl 3-(bromoacetamido)propionate) ≥90%, Sigma-Aldrich®

Supplier: Merck

SBAP is a sulfhydryl-reactive and amine-reactive heterobifunctional crosslinker. The reagent′s NHS ester reacts with primary amines at pH 7-9 to form stable amide bonds, and the bromacetyl reacts with sulfhydryl groups at pH >7.5 to form stable thioether bonds This reagent is useful for preparing cyclic peptides and peptide conjugates because the spacer maintains peptide-like character in the crosslinked species.

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Azadibenzocyclooctyne-PEG4-NHS ester

Supplier: Thermo Fisher Scientific

Azadibenzocyclooctyne-PEG4-NHS ester (ADIBO-PEG4-NHS ester) is applied for protein-peptide conjugation, peptide-small molecule conjugation, 18F radiolabeling, protein-oligonucleotide conjugation and surface modification.

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DNP-PEG4-NHS ester FRET quencher precursor

Supplier: AAT BIOQUEST

Compared to the commonly used DNP-X SE (#2021), DNP-PEG4 NHS ester has much better water solubility.

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DBCO-PEG4-NHS Ester for biomolecular labeling

Supplier: AAT BIOQUEST

Cu-free click reaction, i.e., the strain-promoted alkyne-azide cycloaddition (SPAAC) is a bioorthogonal reaction utilizing a pair of reagents, cyclooctynes and azides that exclusively and efficiently react with each other while remain inert to naturally occurring functional groups such as hydroxy, amino and thiol groups.

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Biotin-PEG4-NHS biodetection

Supplier: AAT BIOQUEST

Biotin PEG4 succinimidyl ester is an amine-reactive biotin derivative that contains a long arm to increase its avidin-binding affinity.

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PEGylated SPDP Crosslinkers, Heterobifunctional, Pierce™

Supplier: Thermo Fisher Scientific

Cross linkers are used for the identification of near-neighbour protein relationships and ligand-receptor interactions. Homobifunctional, amine-reactive NHS esters or imidates, and heterobifunctional, amine-reactive, photoactivatable phenyl azides are the most commonly used crosslinkers for these applications.