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Measurement of allantoin and uric acid in human body fluids. A potential index of free-radical reactions in vivo?
The concentrations of uric acid and allantoin in human serum and synovial fluid are reported and it is suggested that measurement of changes inAllantoin concentration may be a useful index of free-radical reactions taking place in vivo.
Undesirable and adverse effects of tooth-whitening products: a review
The informed decision to administer or not and the control of bleaching effects should stand in the hand of dental surgeons and certainly not as it appears at present, as cosmetics sold without any restriction despite the potential health hazards of peroxides.
Aromatic hydroxylation as a potential measure of hydroxyl-radical formation in vivo. Identification of hydroxylated derivatives of salicylate in human body fluids.
It is proposed that conversion of salicylate into 2,3-dihydroxybenzoate, or of other aromatic compounds into specific hydroxylated products, may be a useful assay for .OH formation in the human body.
Cyclodextrins as encapsulation agents for plant bioactive compounds.
The aim of this review is to highlight the use of cyclodextrins as encapsulating agents for bioactive plant molecules in the pharmaceutical field.
An investigation of the abnormal metabolic status of synovial fluid from patients with rheumatoid arthritis by high field proton nuclear magnetic resonance spectroscopy
Observations confirm the abnormal metabolic status of the inflamed rheumatoid joint and provide evidence for an increased utilisation of lipids for fuel therein.
A comparative evaluation of the metabolic profiles of normal and inflammatory knee‐joint synovial fluids by high resolution proton NMR spectroscopy
Results obtained indicate that the healthy human knee‐joint has a hypoxic status (high lactate level when expressed relative to that of paired serum) that is milder than that of the inflamed human knee-joint.
The role of iron in ascorbate-dependent deoxyribose degradation. Evidence consistent with a site-specific hydroxyl radical generation caused by iron ions bound to the deoxyribose molecule
In the presence of H2O2, ascorbate and phosphate buffer at pH 7.4, deoxyribose is degraded. Degradation is inhibited by catalase, mannitol, apotransferrin, apolactoferrin, or desferrioxamine. In the
Multicomponent analysis of encapsulated marine oil supplements using high-resolution 1H and 13C NMR techniques Published, JLR Papers in Press, September 1, 2003. DOI 10.1194/jlr.D300017-JLR200
Multicomponent high-resolution 1H and 13C NMR analysis has been employed for the purpose of detecting and quantifying a wide range of fatty acids (as triacylglycerols or otherwise) in encapsulated marine cod liver oil supplements, and served as a means of distinguishing “natural” sources of cod liver oils from those subjected to chemical modification to and/or supplementation with synthetic derivatives.
1H‐NMR analysis of microbial‐derived organic acids in primary root carious lesions and saliva
Results demonstrate that formic and pyruvic acids contribute substantially to the decreased pH values associated with active caries lesions, and hence the pathogenesis of primary root caries.
Allopurinol and oxypurinol are hydroxyl radical scavengers
The protective actions of allopurinol against reperfusion damage after hypoxia need not be entirely due to xanthine oxidase inhibition.