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Wonhyeuk Jung; Christopher S. Dunham; Katie A. Perrotta; Yu Chen; James K. Gimzewski; Joseph A. Loo – Journal of Chemical Education, 2022
Food safety science is an important field due to its practical applications in maintaining public safety and confidence in consumer goods. A significant component of food safety science is the detection and regulation of heavy metals in food. Heavy metals such as mercury (Hg) are of particular concern because of their potential to damage the…
Descriptors: Chemistry, Science Instruction, Food Standards, Safety
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Thurtle-Schmidt, Deborah M.; Lo, Te-Wen – Biochemistry and Molecular Biology Education, 2018
Disrupting a gene to determine its effect on an organism's phenotype is an indispensable tool in molecular biology. Such techniques are critical for understanding how a gene product contributes to the development and cellular identity of organisms. The explosion of genomic sequencing technologies combined with recent advances in genome-editing…
Descriptors: Science Instruction, Molecular Biology, Genetics, Undergraduate Study
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Andraos, John; Sayed, Murtuzaali – Journal of Chemical Education, 2007
A general analysis of reaction mass efficiency and raw material cost is developed using an Excel spread sheet format which can be applied to any chemical transformation. These new methods can be easily incorporated into standard laboratory exercises.
Descriptors: Organic Chemistry, Science Instruction, College Science, Undergraduate Study
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Meany, J. E. – Journal of Chemical Education, 2007
Many carbonyl substrates of oxidoreductase enzymes undergo hydration and enolization so that these substrate systems are partitioned between keto, hydrated (gem-diol), and enol forms in aqueous solution. Some oxidoreductase enzymes are subject to inhibition by high concentrations of substrate. For such enzymes, two questions arise pertaining to…
Descriptors: Biochemistry, Science Experiments, Scientific Concepts, Scientific Research