Amine-PEG-acid，也称为氨基-聚乙二醇羧基衍生物，是一种功能化聚乙二醇（PEG）分子，分子两端分别带有氨基（-NH2）和羧基（-COOH）功能团。该双官能团结构赋予其优异的化学修饰灵活性，使其在生物医药、材料科学及纳米技术领域得到广泛应用。 结构特点 Amine ...

A key uncertainty in the heterogeneous oxidation of carboxylic acids by hydroxyl radicals (OH) in aqueous-phase aerosol is how the free-radical reaction pathways might be altered by acid–base ...

Department of Chemistry, University of Nebraska-Lincoln, Lincoln, Nebraska 68588-0304, United States Nebraska Center for Integrated Biomolecular Communication, University of Nebraska-Lincoln, Lincoln, ...

Abstract: We developed Linear Zero Mode Waveguides (LZMWs) for simultaneous observation of kinesin displacement and ATP hydrolysis cycle under higher concentration of fluorescently labeled ATP than ...

The method is based on their oxidation reaction with periodate followed by oxidative coupling with 4-aminobenzoic acid at pH 4 leading to the formation of colored products. The calibration graph was ...

Protein concentrations were determined by A280 using the calculated extinction coefficient for each 3 CCP domain protein based on its amino acid sequence. Preparation and Use of Protein ... flow cell ...

The major challenge to making this approach work involve developing amine tagging reagents specific to either N-terminal or lysine amine ... Development of novel tags for enhanced sample multiplexing ...