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Bone samples are used for analysis of drugs in decomposed or skeletonized bodies. Toxicological analyses of buried bones are important for determining the causes and circumstances of death. In this study, methamphetamine and amphetamine concentrations in heart blood, thigh muscles, and thighbones were analyzed using solid‐phase extraction with liquid chromatography–tandem mass spectrometry. Methamphetamine...
Potamopyrgus antipodarum, a well-known invasive species, has both sexual and asexual forms in its native area, and is generally asexual in exotic areas. Potamopyrgus antipodarum was sampled from ten locations in central and western Japan, and the sex distribution was analyzed. Males were found in two of the ten localities; the percentages of males in these localities were 7.2 and 7.3 %, which is...
Potamopyrgus antipodarum from 13 locations in central and western Japan were investigated for mitochondrial DNA haplotypes. Two haplotypes (JA and JB) were found based on an analysis of a 343-bp sequence of the cytochrome c oxidase subunit I gene. The JB type comprised two subhaplotypes (JB-I and JB-II), which were distinguishable by an additional sequence of 289 bp. Eleven populations were likely...
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