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Questioning the need to use Botox within 4 hours of reconstitution: a study of fresh vs 2-week-old Botox.
TLDR
No measurable difference was found in the potency or duration of efficacy of Botox in the treatment of forehead rhytids after 2 weeks of refrigeration or freezing compared with fresh reconstituted Botox.
Singlet oxygen oxidation of lipids resulting from photochemical sensitizers in the presence of antioxidants
Singlet oxygen produced by photochemical sensitizers may play an important role in the oxidation of lipids in foods. Therefore, we studied the singlet oxygen oxidation of lipids and the scavenging
The chemical photosensitizing ability of certified colour additives
Forty‐three certified food, drug and cosmetic colours presently allowed by the Food and Drug Administration were screened for chemical photosensitizing activity by using photogeneration of singlet
AN EPR STUDY OF FREE RADICALS GENERATED BY GAMMA‐RADIATION OF DRIED SPICES AND SPRAY‐DRIED FRUIT POWDERS
Gamma-radiation of powdered tumeric, black pepper, dry mustard, cinnamon and paprika, at dosage of 30 kGy, at 30°C, produced free radicals detectable by EPR. The intensities of the EPR signals were
Determination of hydroperoxides in edible oils by electron spin resonance, thiobarbituric acid assay, and liquid chromatography-chemiluminescence techniques
The increasing concern over the possible relationship between lipid peroxidation and certain ailments, and correspondingly with food processing and storage, has prompted our examination of various
Mass spectrometry of the copper salt of tenuazonic acid
The copper salt of tenuazonic acid was studied by both positive and negative ion techniques. Fragmentation was elucidated with the aid of collision-induced dissociation/mass-analysed ion kinetic
Electron spin resonance spectroscopy studies of 99Tc in aqueous solutions. Part II
The addition of NaNO2 to aqueous NH4TcO4 yielded paramagnetic Tc complexes when reduced in HCl solutions. Similar or identical complexes are produced by reduction of NH4TcO4 with hydroxyl amine in
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