Elda Hickson

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A reversed-phase, high-performance liquid chromatographic assay method is described for temazepam hard gelatin and soft gelatin capsule analysis. The method is simple, specific, accurate, fast, and stability indicating. A reversed-phase octylsilane (C8) column with a mobile phase composed of methanol:1% acetic acid and detection at 254 nm separated(More)
Therapeutic plasma exchange (TPE) and hemopoietic progenitor cell (HPC) collection are apheresis procedures that can safely be performed in tandem with hemodialysis. Despite the return of citrate-anticoagulated blood to the patient during HPC collection, it is not necessary to administer supplemental calcium during these procedures because the ionized(More)
Hypocalcemic toxicity, because of return of citrate anion to the donor, is the major toxicity of apheresis platelet donation. Oral calcium carbonate, given prophylactically at the start of donation, has shown limited ability to alleviate this toxicity. We examined whether repeated prophylactic doses of calcium carbonate, or of a liquid preparation(More)
A reverse-phase liquid chromatographic method is described for the assay of medroxyprogesterone acetate in tablets. An octadecylsilane (C18) column with a mobile phase of methanol-0.01M dibasic ammonium phosphate (80 + 20 v/v, pH 7.2 +/- 0.1) and photometric detection at 254 nm separates medroxyprogesterone acetate from excipients. Detector responses were(More)
BACKGROUND Platelet donors receive 40 mmol or more of IV citrate anion during donation. When plasma ionized calcium ([Ca2+ ]) falls by ∼20%, half of the donors report symptoms of hypocalcemic toxicity. Citrus juices contain clinically relevant amounts of citrate anion. We asked whether citrus juice can lower [Ca2+ ] thus potentially contributing to(More)
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