21.5. What Role Do Lipids Play in the Structure of Membranes?, 552
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Biochemistry : LipidRole (10 Variations) Which aspect of the structure of a phospholipid is most directly responsible for its role as a source of some vitamins?
Quantitative Measurement of Trans-Fats by Infrared SpectroscopyEdward B. Walker, Don R. Davies, and Mike Campbell FTIR-ATR spectroscopy provides an efficient analytical tool to measure the percentage of trans-fat in several commercially available lipids and the degree of alkene isomerization induced by brominationdebromination chemical reactions. Walker, Edward B.; Davies, Don R.; Campbell, Mike. J. Chem. Educ.2007, 84, 1162.
Alkenes |
Calibration |
Food Science |
Instrumental Methods |
IR Spectroscopy |
Lipids |
Quantitative Analysis |
Fatty Acids
Lipid Extraction and Cholesterol Quantification: A Simple ProtocolM. Carmo Barreto A fast and simple protocol for lipid extraction from egg yolk and walnut is presented. Students learn to extract total lipids from both sources and to assess the quantity of cholesterol in lipid extracts by the LiebermannBuchard method, in a semi-quantitative way. This experiment is easily done in a two-hour lab period, except for the evaporation of lipid extracts to dryness, which proceeds overnight and is weighed by the students the following day Barreto, M. Carmo. J. Chem. Educ.2005, 82, 103.
Applications of Chemistry |
Bioanalytical Chemistry |
Consumer Chemistry |
Lipids |
Natural Products |
Quantitative Analysis
DeLorenzo's Four Interesting Mysteries VerifiedJosefina Ma. Ferriols-Pavico Results of experiments testing why women become intoxicated more easily than men, why alcohol consumption might enhance cigarettes' carcinogenic effects, why latex condoms with oil-based lubricants work better than latex condoms with water-based lubricants, and why red meat goes better with red wine and white meat with white wine? Ferriols-Pavico, Josefina Ma. J. Chem. Educ.2002, 79, 1217.
