A 99.7% purity ascorbic acid standard was purchased from Sigma-Aldrich (Saint Louis, MO, USA). HPLC-grade methanol ... step before a vigorous centrifugation step followed by using organic solvents.

Scientists from the Henan Academy of Sciences recently developed a new technique for the determination of hydroxyl polycyclic ...

Researchers have developed a method employing high performance liquid chromatography with ultraviolet detection (HPLC-UV) to ...

The ZORBAX Eclipse AAA high efficiency HPLC column rapidly separates amino acids following an updated and improved protocol for use with the Agilent 1100 HPLC. Total analysis from injection to ...

A METHOD for the identification of volatile fatty acids by means of paper chromatography was reported by Hiscox and Berridge 1. In this method the acid was applied as the ethylamine salt to the ...

The AminoPac® PA1 column is a high-speed, pellicular, strong, anion-exchange column. The PA1 delivers high-efficiency separations as a result of its nonporous-core particle. Its strong anion ...

Essential amino acids are organic compounds that your body needs to function. You can get them from certain foods. Amino acids, often referred to as the building blocks of proteins, are compounds ...

Knowing foods that cause acid reflux can help you prevent and manage this condition. Common triggers include carbonated drinks, spicy foods, chocolate, and tomatoes. Acid reflux, also known as ...

Researchers examine how long-term exposure to widely used per- and polyfluoroalkyl substances (PFAS) detrimentally affect ...

4c02515. Experimental Procedure, characterization data, X-ray crystal structure, crystallographic information, HPLC chromatograms, NMR spectral studies, NMR spectra, and MALDI spectra (PDF) ...