The goal of this study was to qualify gas chromatography coupled to atmospheric pressure ionization tandem mass spectrometry (APGC-MS/MS) as a reliable and valid technique for analysis of halogenated ...

Chocolate and other cocoa-containing products are a rich source of polyphenols. This paper describes an ultra-performance liquid chromatography (UPLC) method that can separate and quantify in 3 min ...

A dual-band dual-polarized stacked microstrip antenna with high-isolation and band-notch characteristics is proposed. The proposed antenna is comprised of three layers of substrate. To obtain high ...

(Reuters) -The S&P 500 and Nasdaq notched record high closes on Friday for the first time in months, rebounding from a slump caused by U.S. President Donald Trump's trade policies that threatened ...

This file contains a copy of Chapter 7 from the book, which was written by Wyatt and titled: "Separation of Nucleic Acid Components by Chromatography on Filter Paper".

The Sunday Papers is our weekly roundup of great writing about (mostly) videogames from across the web.

Resonant poles of LCL filters may challenge the entire system stability especially in digital-controlled pulse width modulation (PWM) inverters. In order to tackle the resonance issues, many active ...