3-(2-Furoyl)quinoline-2-carboxaldehyde is a neutral fluorogenic probe for amines for the picomolar assay of proteins by capillary electrophoresis (CE).[1][2]
In two-dimensional capillary electrophoresis, a sample undergoes separation in the first dimension capillary by sieving electrophoresis. Fractions are periodically transferred across an interface into a second dimension capillary, where components are further resolved by micellar electrokinetic capillary electrophoresis. Previous instruments
The fluorescent labeling of peptides at concentrations as low as 10(-8) M can be achieved by using a solid-phase reactor. Using oxidized insulin chain B as a test peptide, we demonstrate the use of an Immobilon CD membrane to capture
Capillary electrophoresis (CE) coupled with laser-induced fluorescence detection (LIF) has allowed to obtain protein fingerprints, which have demonstrated to be useful in microorganisms characterization. In this work, protein fingerprints of two species of Staphylococcus grown in different culture media and
Methods in molecular biology (Clifton, N.J.), 984, 237-251 (2013-02-07)
This chapter describes a complete procedure for obtaining protein fingerprints of microorganisms using capillary electrophoresis (CE) with laser-induced fluorescence detection (LIF). Staphylococcus aureus, a human pathogen responsible of frequent and resistant infections, is used as model microorganism to show the
We report a method for protein labeling, separation by capillary electrophoresis in a polymer sieving matrix, and detection by laser-induced fluorescence. Different dyes are used to label standard and sample proteins. A two-spectral channel detector resolves fluorescence from the sample
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