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Plant Metabolomics Using NMR Spectroscopy
(2019-01-01)
The major goal in plant metabolomics is to study complex extracts for the purposes of metabolic exploration and natural products discovery. To achieve this goal, plant metabolomics relies on accurate and selective acquisition ...
Catalytic ethanolysis of soybean oil with immobilized lipase from Candida antarctica and (1)H NMR and GC quantification of the ethyl esters (biodiesel) produced
(ELSEVIER SCIENCE BV, 2011)
The catalytic ethanolysis of soybean oil with commercial immobilized lipase type B from Candida antarctica to yield ethyl esters (biodiesel) has been investigated. Transesterification was monitored with respect to the ...
Pharmaceutical impurities and degradation products: Uses and applications of NMR techniques
(Elsevier, 2014-04)
Current standards and regulations demand the pharmaceutical industry not only to produce highly pure drug substances, but to achieve a thorough understanding of the impurities accompanying their manufactured drug substances ...
Monitoring crystallization in lithium silicate glass-ceramics using 7Li→29Si cross-polarization NMR
(Elsevier BVAmsterdam, 2014-12)
Quantification of the crystalline versus amorphous fraction is an important objective for the structural characterization of glass-ceramics. Owing to its well-documented ability of differentiating between crystalline and ...
H-1 NMR determination of adulteration of anabolic steroids in seized drugs
(Elsevier B.V., 2018-10-01)
Counterfeiting and adulteration of pharmaceuticals is a prevalent problem worldwide and represents a major health risk to the population, with anabolic steroids being one of the main classes of drugs consumed and obtained ...
Isolation and HPLC quantitative analysis of flavonoid glycosides from Brazilian beverages (Maytenus ilicifolia and M-aquifolium)
(Amer Chemical Soc, 2001-08-01)
Aqueous infusions of Brazilian Maytenus leaves are used as beverages, foodstuffs, and phytomedicines. Previously, we isolated two new flavonoid tetrasaccharides from the infusion of Maytenus aquifolium leaves that showed ...