It has been suggested that ammonium compounds in tobacco generate nitrogen monoxide (NO) in cigarette smoke. This causes the smoke to retain the broncho-dilatory properties of the tobacco, which leads to an increased uptake of nicotine and thus to a ...
van Amsterdam JGC +5 more
doaj +1 more source
Process for purification of waste water produced by a Kraft process pulp and paper mill [PDF]
The water from paper and pulp wastes obtained from a mill using the Kraft process is purified by precipitating lignins and lignin derivatives from the waste stream with quaternary ammonium compounds, removing other impurities by activated carbon produced
Humphrey, M. F.
core +1 more source
Determination of Pharmaceuticals in Coastal Systems Using Solid Phase Extraction (SPE) Followed by Ultra Performance Liquid Chromatography – tandem Mass Spectrometry (UPLC-MS/MS) [PDF]
This paper describes the optimization and validation of an analytical method for the determination of 83 pharmaceutically active compounds (PhACs) in aqueous samples using solid-phase extraction (SPE) followed by ultra performance liquid chromatography ...
Baena Nogueras, Rosa María +3 more
core +1 more source
Detergents and Chaotropes for Protein Solubilization before Two-Dimensional Electrophoresis [PDF]
Because of the outstanding separating capabilities of two-dimensional electrophoresis for complete proteins, it would be advantageous to be able to apply it to all types of proteins.
Chevallet, Mireille +3 more
core +4 more sources
Magnetically-induced ferroelectricity in the (ND4)2[FeCl5(D2O)] molecular compound [PDF]
The number of magnetoelectric multiferroic materials reported to date is scarce, as magnetic structures that break inversion symmetry and induce an improper ferroelectric polarization typically arise through subtle competition between different magnetic ...
Campo, Javier +5 more
core +3 more sources
Changes in the milk metabolome of the Giant Panda (Ailuropoda melanoleuca) with time after birth: three phases in early lactation and progressive individual differences [PDF]
Ursids (bears) in general, and giant pandas in particular, are highly altricial at birth. The components of bear milks and their changes with time may be uniquely adapted to nourish relatively immature neonates, protect them from pathogens, and support ...
Hou, Rong +8 more
core +7 more sources
Methods for determining cationic surface solids (critical review)
The purpose of this articule to summarize and systematize information on methods for identification and quantification of quaternary ammonium compounds. Results.
O. V. Kovalska +2 more
doaj +1 more source
Synthesis, Antimicrobial and Mutagenic Activity of a New Class of d-Xylopyranosides
Eight N-[2-(2′,3′,4′-tri-O-acetyl-α/β-d-xylopyranosyloxy)ethyl]ammonium bromides, a new class of d-xylopyranosides containing a quaternary ammonium aglycone, were obtained.
Karol Sikora +7 more
doaj +1 more source
Structural identification of oxidized acyl-phosphatidylcholines that induce platelet activation [PDF]
Oxidation of low-density lipoprotein (LDL) generates proinflammatory and prothrombotic mediators that may play a crucial role in cardiovascular and inflammatory diseases.
Berliner JA +23 more
core +1 more source
Comprehensive airborne characterization of aerosol from a major bovine source [PDF]
We report an extensive airborne characterization of aerosol downwind of a massive bovine source in the San Joaquin Valley (California) on two flights during July 2007. The Center for Interdisciplinary Remotely-Piloted Aircraft Studies (CIRPAS) Twin Otter
Brechtel, F. J. +9 more
core +3 more sources

