Application of BisANS fluorescent dye for developing a novel protein assay

Zsolt Datki, Zita Olah, Lilla Macsai, Magdolna Pakaski, Bence Galik, Gabor Mihaly, Janos Kalman

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In many biology- and chemistry-related research fields and experiments the quantification of the peptide and/or protein concentration in samples are essential. Every research environment has unique requirements, e.g. metal ions, incubation times, photostability, pH, protease inhibitors, chelators, detergents, etc. A new protein assay may be adequate in different experiments beyond or instead of the well-known standard protocols (e.g. Qubit, Bradford or bicinchoninic acid) in related conceptions. Based on our previous studies, we developed a novel protein assay applying the 4,4 0 -Dianilino-1,1 0 -binaphthyl-5,5 0 -disulfonic acid dipotas-sium salt (BisANS) fluorescent dye. This molecule has several advantageous properties related to protein detection: good solubility in water, high photostability at adequate pH, quick interaction kinetics (within seconds) with proteins and no exclusionary sensitivity to the chelator, detergent and inhibitor ingredients. The protocol described in this work is highly sensitive in a large spectrum to detect protein (100-fold diluted samples) concentrations (from 0.28 up to more than 100 μg/mL). The BisANS protein assay is valid and applicable for quantification of the amount of protein in different biological and/or chemical samples.

Original languageEnglish
Article numbere0215863
JournalPloS one
Volume14
Issue number4
DOIs
Publication statusPublished - Apr 2019

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)
  • General

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