New excipient grades with tighter specifications are designed for pharmaceuticals. Wu et al profiled reactive impurities such as aldehydes, reducing sugars, peroxides, nitrites, nitrates and metals in some common excipients and have also identified potential reactions...
Like eukaryotic cells, prokaryotic internal structures, such as those of eubacteria, are surrounded by a cytoplasmic membrane consisting mainly of phospholipids. However, the cell membrane of prokaryotes is less rigid than that of many eukaryotes. That’s because they lacksterols(except forMycoplasmath...
International Journal of Molecular Sciences Review Carbon Monoxide and Nitric Oxide as Examples of the Youngest Class of Transmitters Alicja Nowaczyk 1,* , Magdalena Kowalska 1, Jacek Nowaczyk 2 and Grzegorz Grzes´k 3 1 Department of Organic Chemistry, Faculty of Pharmacy, Ludwik Rydygier ...
Other contaminants, such as bacteria and nitrates, continue to be significant challenges. A few contaminants, such as viruses, EDCs, and strontium, might be considered emerging contaminants. Acknowledgments We would like to thank UW-Green Bay students Joseph Baeten and Josie Robertson for assistance ...