Terry L Hanna

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We evaluated four procedures for determination of erythrocyte porphyrin: double extraction with ethyl acetate/acetic acid-HCl, single extraction with ethanol, single extraction with acetone, and direct solubilization with detergent-buffer. The ethyl acetate procedure, when used with two portions of HCl, apparently gives complete recovery of porphyrin and is(More)
The purpose of this study was to assess the toxicological effects of two munition compounds, 4-amino-2,6-dinitrotoluene (4A-DNT) and 1,3,5-trinitro-1,3,5-triazine (RDX), on three different bird species: two common toxicological model species-the Northern Bobwhite (Colinus virginianus) and the Japanese Quail (Coturnix japonica), and a representative(More)
Animal bites reported at Scott Air Force Base, Ill., and Whiteman Air Force Base, Mo., were investigated to determine the incidence of reported bites and possible causes. Data were collected by abstracting information contained in animal bite files maintained by the Base veterinary Office. A total of 696 bite incidents were reported for the 24 months from(More)
A column cation-exchange resin procedure for plasma ammonia was modified to require only 100 mul of plasma per determination. Mean analytical recovery of standard from resin (six samples) was 98% (range, 94-100%) as compared to a mean of 63% (range, 58-70) for nine samples when a batch cation-exchange procedure was used. Absorbance was proportional to(More)
The explosive 3-nitro-1,2,4-triazol-5-one (NTO) is an insensitive formulation developed to replace high energetics that are susceptible to accidental detonation from heat, shock, and impact. Although studies have shown NTO to be nontoxic at acute exposures, recent subacute and subchronic tests have demonstrated effects on testes and subsequent sperm(More)
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