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A series of validation experiments was performed for a Y chromosome specific STR multiplex system following the suggestions made by the Technical Working Group DNA Analysis Methods (TWGDAM). The multiplex PCR products were detected on Perkin-Elmer 373 and 377 automated sequencers using two labeling colors. No problems regarding the stability, robustness and sensitivity of the Y STR multiplex were observed. Mixture studies revealed a cut off rate similar to autosomal STRs for mixtures of male DNAs and no interference of any female admixture. The comparison of the Y STR results to the autosomal typing results for 56 nonprobative semen stains and swabs, showed a slightly higher success rate in detecting the semen donor's alleles for the Y STR multiplex. Two examples are shown to illustrate the usefulness of Y STR typing for DNA mixtures. In one case the Y STR results confirmed an isolated exclusion; in the other case, the interpretation of a mixture was clarified since the Y STR results proved the presence of DNA from at least two semen donors. Y STR typing is a valuable addition to the forensic DNA testing panel. 相似文献
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Mechthild Prinz Asako Ishii Andrea Coleman Howard J. Baum Robert C. Shaler 《Forensic Science International Supplement Series》2001,120(3)
A series of validation experiments was performed for a Y chromosome specific STR multiplex system following the suggestions made by the Technical Working Group DNA Analysis Methods (TWGDAM). The multiplex PCR products were detected on Perkin-Elmer 373 and 377 automated sequencers using two labeling colors. No problems regarding the stability, robustness and sensitivity of the Y STR multiplex were observed. Mixture studies revealed a cut off rate similar to autosomal STRs for mixtures of male DNAs and no interference of any female admixture. The comparison of the Y STR results to the autosomal typing results for 56 nonprobative semen stains and swabs, showed a slightly higher success rate in detecting the semen donor’s alleles for the Y STR multiplex. Two examples are shown to illustrate the usefulness of Y STR typing for DNA mixtures. In one case the Y STR results confirmed an isolated exclusion; in the other case, the interpretation of a mixture was clarified since the Y STR results proved the presence of DNA from at least two semen donors. Y STR typing is a valuable addition to the forensic DNA testing panel. 相似文献
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Atsushi Kusano 《Asia-Pacific Review》2000,7(1):38-55
In this article, Atsushi Kusano, Professor of Policy Management at Keio University, Tokyo, discusses the challenges facing the Japanese government as it continues its active promotion of official development assistance (ODA). The government is being exposed to competing pressures from the domestic and international communities. In response to these pressures, Professor Kusano argues that the Japanese government should improve the transparency of its ODA program, think strategically and set clear priorities for assistance, and incr ease public understanding and support. However, the future of Japan's ODA program, he says, depends not only on the efforts of the Japanese government, but also on the positive action by the people of Japan and by developing countries themselves. 相似文献
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Unprecedented poisoning terrorism by use of sarin took place in Japan in 1994 and 1995. On July 25, 1998, a curry poisoning incident in Wakayama occurred resulting in the death of four people and injury of 63 people. Since then, more than 30 imitative poisoning cases have been reported by mass communication within 1 year. In this brief review, we present some details of a series of poisoning cases and measures taken by the Japanese Government and non-government groups. In addition some research projects on analytical toxicology being conducted in our laboratories are also introduced; gas chromatography (GC) with cryogenic oven trapping for volatile organic compounds, and GC/surface ionization organic mass spectrometry for tertiary amino compounds are described especially as new techniques for biological samples. 相似文献
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Sho Ohno Munetaka Hosokawa Misa Kojima Yoshikuni Kitamura Atsushi Hoshino 《Law and Critique》1999,10(3):361-361
Authors Index
Authors Index Volume 10 相似文献8.
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Izumi Hirose Kazuki Harada Ryohei Kuroda Yasuhiro Ishii Makoto Nakajima Yoshimasa Kamei Yutaka Takazawa Ken-ichi Yoshida 《Forensic science international》2013,224(1-3):e4-e6
The rudimentary horn is a rare developmental anomaly of the Müllerian duct. Ectopic pregnancy in the rudimentary horn is estimated to occur in one out of 76,000–150,000 pregnancies. A 30-year-old primigravida suddenly collapsed after 3 days of continuous abdominal pain. Emergency laparotomy revealed a massive intraperitoneal hemorrhage and fetal demise. The growth of the fetus after 19 weeks of gestation is believed to have caused the rudimentary horn rupture, thereby rapidly leading to hemorrhagic shock in the mother and ischemic death in the fetus. This is the first autopsy report on maternal death due to the rudimentary horn or other Müllerian duct anomalies, which emphasizes the need for forensic pathologists to consider this condition as a possible cause of unexpected death in fertile women. In addition, it is very important for clinicians to detect Müllerian duct anomalies by sonography during routine obstetric examinations, and promptly diagnose anomaly related ectopic pregnancies in women displaying symptoms of an acute abdomen, intraperitoneal hemorrhage, or shock in the emergency practice. 相似文献
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Hisae Ogawa B.Sc. Yuuji Hiroshige B.Sc. Takashi Yoshimoto Ph.D. Akira Ishii M.D. Ph.D. Toshimichi Yamamoto Ph.D. 《Journal of forensic sciences》2018,63(4):1291-1297
In this sexual assault case, the standard preliminary semen examinations could not confirm physically or biochemically whether the accused's semen had stained the victim's skirt because the skirt had been dry‐cleaned for stain removal and had been worn for more than a year after the assault. Fortunately, however, a photograph taken just after the assault was found in the court records that showed white stains on the checkered skirt. The locations of the stains were estimated based on the checkered pattern of the fabric, and microscopic examination using Baecchi's staining revealed the presence of spermatozoa. Further analysis indicated the male DNA profile generated from the sperm cells was consistent with the suspect's DNA using three multiplex STR typing systems for a total of 21 autosomal and 17 Y chromosomal short tandem repeats (STRs). Ultimately, the result of the DNA profile played a very useful role as additional evidence. 相似文献