Rebeccah E. Anderson

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Purpose. The purpose of this work was to investigate the effects of trehalose and trehalose/sodium tetraborate mixtures on the recovery of lactate dehydrogenase (LDH) activity following freeze-thawing and centrifugal vacuum-drying/rehydration. The storage stability of LDH under conditions of either high relative humidity or high temperature was also(More)
Carrageenan injected subcutaneously into one hindpaw of the rat produces an anaphylactoid reaction which prevents the same paw responding to a second dose 14 days later but does not alter the response to dextran. However, dextran does not modify the response of the hindpaw to a subsequent dose of either dextran or carrageenan 14 days later. When using these(More)
Gastric mucosal cells from guinea pigs were grown in cell culture. Acridine orange fluorescence at 624 nm was used as an qualitative indicator of intracellular pH. The cultured cells were exposed to Hank's solution at pH 7.4, 6.0, 5.0, 4.0, 3.0, and 1.8 for 30 min. After removal of the acid, the cells were loaded with acridine orange for qualitative pH(More)
To quantify metabolite and cation concentrations using NMR spectroscopy, the volumes of intracellular and extracellular spaces must be known. We describe a simple 31P NMR spectroscopic method that employs dimethyl methylphosphonate (DMMP) as a marker of total water space and phenylphosphonate (PPA) as a marker of extracellular space to determine(More)