Near-infrared squaraine dye as a selective protein sensor based on self-assembly
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Bovine serum albumin
Docking (animal)
Investigation of Interaction between Platinum Nanoparticles and Bovine Serum Albumin by Spectroscopy
The interaction between platinum manoparticles(PtNP)and bovine serum albumin(BSA)was studied by fluorescence spectroscopy and UV-Vis absorption spectroscopy.The results showed that PtNP caused the fluorescence quenching of BSA through a static quenching procedure.The binding constant(K≈104)and binding site(n≈1)between PtNP and BSA were obtained.According to the values of thermodynamic functions,the type of force between PtNP and BSA was hydrophobic interaction.At the same time,the effect of PtNP on the conformation of BSA was investigated by using synchronous fluorescence spectroscopy.
Bovine serum albumin
Binding constant
Platinum nanoparticles
Ultraviolet visible spectroscopy
Hydrophobic effect
Serum Albumin
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The binding characteristics of 2-(p-aminobenzene)-3,3-dimethyl-3H-indole(A) and bovine serum albumin(BSA) was studied by fluorescence spectroscopy in aqueous solution.The combination constants K=1.82×105L/mol.The binding distance(r=2.34nm) between A and BSA and the energy transfer efficiency were obtained based on Foester spectroscopy theory for energy transfer.The effect of A on the conformation of BSA was further analyzed by using synchronous fluorescence spectrometry.
Bovine serum albumin
Serum Albumin
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This chapter contains sections titled: Amperemetric selectivity Time-graded selectivity Logic selectivity Directional selectivity Selectivity by differential protection Selectivity between fuses and circuit-breakers
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Abstract Column selectivity is examined for a series of smectic liquid crystalline columns and is compared with methyl and C 18 polysiloxane columns for the separation of polycyclic aromatic hydrocarbon (PAH) isomers. A set of extended and condensed solute probes is described that provides a sensitive indication of variations in column shape selectivity. Examples of shape selectivity differences are presented for smectic liquid crystalline columns and 5% phenyl polysiloxane columns using various PAH isomer sets. Variations in selectivity have been observed among different smectic liquid crystalline columns, and this problem appears more significant than for methyl polysiloxane columns. The selectivity ration for tetraphenylmethane and p ‐terphenyl provides a sensitive indication of column shape selectivity, with a change in elution order occurring between ordered (smectic liquid crystalline) columns and non‐ordered (methyl polysiloxane) columns. Shape selectivity differences indicated by this test mixture are apparent for more complex PAH isomer mixtures. Despite stationary phase selectivity variability, smectic liquid crystalline columns offer considerable potential for solving difficult separation problems involving structured solutes.
Structural isomer
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Study of the Interaction between Bovine Serum Albumin and Ligustrazine with Spectroscopic Techniques
ABSTRACT The interaction between bovine serum albumin and ligustrazine was studied by fluorescence spectroscopy, synchronous fluorescence spectroscopy, UV-visible absorption spectroscopy, and circular dichroism spectroscopy. The results indicated that the hydrophobic force was the dominant intermolecular force in stabilizing the complex, and the probable quenching mechanism of the bovine serum albumin–ligustrazine interaction was initiated by complex formation. Also, the reaction was determined to be spontaneous. The effect of ligustrazine on the conformation of bovine serum albumin was analyzed using synchronous fluorescence and circular dichroism. The effects of seven metal ions on the binding properties of ligustrazine with bovine serum albumin were discussed.
Bovine serum albumin
Serum Albumin
Hydrophobic effect
Ultraviolet visible spectroscopy
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The interactions between Theophylline and bovine serum albumin(BSA) were studied by fluorescence and UV absorption spectroscopy.The binding constants KA(1.96×104,3.80×104,1.57×105) and binding sites n(1.0,1.1,1.2) were measured at different temperatures of 10 ℃,28 ℃ and 40 ℃.The results revealed that Theophylline has strong ability to quench the intrinsic fluorescence of BSA and the interactions has been verified as static quenching procedure.According themodynamic parameters the acting forces were determined to be hydrophobic force.
Bovine serum albumin
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Fischer–Tropsch process
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Selectivity is an essential parameter in organic synthesis. Selectivity is influenced by physical, physicochemical, chemical parameters. If pressure is considered, the selectivity depends on the volume requirements of the variousreaction pathways when reaching the transition state. The paper reports on the effect of pressure on chemo-, regio-, stereo- and enantioselectivity in organic chemistry illustrated by prominent examples. As a general conclusion, highpressure is a useful parameter in controlling the selectivity.
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The interaction between Hg(Ⅱ) and Bovine Serum Albumin (BSA) was investigated by Fluorescence Spectroscopy in pH=7.15 buffer solution and ionic strength of 0.15mol/L sodium chloride solution.It was proved that static quenching exits between Hg(Ⅱ) and BSA. The results showed that the number of binding sites is n=2 and the combination constant is K=2.468×1010L2·mol-2.
Bovine serum albumin
Buffer solution
Binding constant
Serum Albumin
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