Chitosan, with a degree of deacetylation of about 80%, was purchased from Sigma-Aldrich Co. (St. Louis, USA). Bovine type I collagen dispersion in acetic acid Apcoll-S was a gift sample from Devro ...

LA JOLLA, Calif. – Aldrich Potgieter wasn’t sure how to explain it, he’s just always been good. Asked on Friday why he has progressed so quickly in golf, Potgieter, 20, mustered this answer ...

Six Sigma is a quality management methodology used to help businesses improve current processes, products, or services by discovering and eliminating defects. The goal is to streamline quality ...

The Sigma Healthcare Ltd (ASX: SIG) share price is having a strong start to the week. In afternoon trade, the pharmacy chain operator and wholesaler's shares are up 12% to $3.02. This follows the ...

The announcement drove Sigma shares 7.8 per cent higher in early trade on Tuesday to $2.91. Sigma shareholders are sitting on outsized gains since the proposed merger was announced on December 6 ...

Hephaestus Laboratory, School of Chemistry, Faculty of Sciences, Democritus University of Thrace, GR-65404 Kavala, Greece ...

Shortly after 7:30 a.m. Friday, Aldrich Potgieter was in a beer tent to the right of the fairway on the 17th hole at Torrey Pines South. Potgieter was there to retrieve an errant tee shot while ...

School of Energy & Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea Department of Physics and Research Institute of Natural Science, ...

6- pyridine dicarboxylic acid (Sigma-Aldrich, MW 167.12 g mol-1, 99%), Chitosan (Sigma-Aldrich, 10 mg/mL acetic acid: water) and Pectin (Pectin from citrus peel, impurities ≤10% moisture, ...

(Image: CERN) When a new particle physics discovery is made, you may have heard the term “sigma” being used. What does this mean? Why is it so important to talk about sigma when making a claim for a ...