Laboratory Animals” in an AALAS (American Association for Laboratory Animal Science) accredited facility and were approved by the appropriate institutional review boards. Sample preparation Spiked and non-spiked biological samples (100 μL) were added to 2 mL micro-centrifuge vials. Aliquots (100 μL each) of Na13C15N (200 μM) and NaS13C15N
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May 06, 2015 · Derivatization for GC. Acetic Anhydride. 2. Add 0.5 mL acetic anhydride and 1 mL of acetic acid. Heat at 50 C for 2-16 hours. 3. Remove excess reagent by evaporating the mixture to dryness and redissolve the residue in chloroform for GC analysis. Alditol Formation 1. Dissolve 5 mg of sample in 5 mL of chloroform. 2. Add 1mL acetic anhydride
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Caffeine | C8H10N4O2 | CID 2519 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety
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Benzene | C6H6 | CID 241 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards