The acid dissociation constant, K a, and its negative decadic log, pK a, are key life sciences parameters that describe molecular acidity. Specifically, these values indicate the protonation state of ...

A molecular mechanics force field method (MMFF94) systematic rotor conformational search was conducted on the well known environmental contaminant n-perfluorooctanoic acid (n-PFOA). The MMFF94 ...

When lubricating oils are utilized in various machinery equipment, they are often subject to the harsh conditions including elevated temperatures and varying oxidation levels. As a result of these ...

USP<301> describes a back-titration to determine the acid-neutralizing capacity (ANC). The method is very fast, easy, and reliable. The Metrohm Application Note AN T-192 includes the effective ...

To reveal the structural principles determining substrate specificity of 4-coumarate:CoA ligase (4CL), the crystal structure of the phenylalanine activation domain of gramicidin S synthetase was used ...

The surface physical-chemical characteristics, specifically surface acidity and surface electrical properties of sludge particulates, govern the fate and transport of heavy metals in wastewater ...

MOSCOW, Dec. 23, 2019 /PRNewswire/ -- The international team of scientists from NUST MISIS, Imperial College London, Kanazawa University (Japan) and Lomonosov Moscow State University has developed a ...

An illustration of a PFAS breakdown product in its negatively charged and neutral forms, depicted in a dynamic back-and-forth between these states. The accompanying chart illustrates a plot that ...