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- W2045498923 abstract "Abstract Charge‐transfer probe ( E )‐3‐(4‐methylaminophenyl)acrylic acid methyl ester (MAPAME) exhibits a blue shift and enhanced intensity of its charge‐transfer emission band on binding to bovine serum albumin (BSA; see picture). These spectral changes can be used to investigate the MAPAME–BSA binding interaction and to monitor the unfolding of BSA induced by denaturants, such as urea and surfactant micelles. magnified image Sensitivity of the charge‐transfer (CT) band of the fluorescence probe ( E )‐3‐(4‐methylaminophenyl)acrylic acid methyl ester (MAPAME) towards the polarity of its immediate environment is employed to investigate the binding interaction of the probe with bovine serum albumin (BSA) and uncoiling of BSA by the denaturants urea and sodium dodecyl sulfate micelles. Binding of the probe with BSA produces a blue shift and enhanced intensity of the CT emission band which clearly point toward a decrease in polarity of the immediate environment of MAPAME. This is expected, since binding with BSA moves the probe from a polar water environment to a much less polar, hydrophobic protein interior, where the CT band is expected to be blue‐shifted. Higher intensity arises due to fewer non‐radiative decay paths available to the probe in the hydrophobic protein environment. Chemically induced unfolding of BSA by urea and sodium dodecyl sulfate is tracked by monitoring the induced spectral changes of the protein‐bound probe MAPAME. Red‐edge excitation shift or REES, fluorescence resonance energy transfer (FRET) and anisotropy measurements are used to investigate and monitor these binding and unfolding processes." @default.
- W2045498923 created "2016-06-24" @default.
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- W2045498923 date "2009-06-29" @default.
- W2045498923 modified "2023-10-18" @default.
- W2045498923 title "Chemically Induced Unfolding of Bovine Serum Albumin by Urea and Sodium Dodecyl Sulfate: A Spectral Study with the Polarity‐Sensitive Charge‐Transfer Fluorescent Probe (<i>E</i>)‐3‐(4‐Methylaminophenyl)acrylic Acid Methyl Ester" @default.
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- W2045498923 doi "https://doi.org/10.1002/cphc.200900161" @default.
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