04 February 2004, Volume 0 Issue 1

    

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  The application of DNA technique and DNA data exchange

  CHEN Song，HU Lan，LI Wanshui

  Forensic Science And Technology. 2004, 0(1): 3.

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  DNA unit of Interpol provides technical suppor t to enhance m ember states'DNA capacity and promote widespread use in the international law en forcement environmentInterpol DNA MEG is the main reference source for DNA uni t ，which recommends guidelines on DNA sampling and evidence collection，DNA datab as ing，quality assurance，and training，etcInternational DNA users'conference an d re gional DNA training is also organized under the umbrella of the Interpol DNA uni tGuidelines recommended by Interpol in DNA technique are introduced in this paper.
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  Detection of morphine in urine with SPME and deriving technic

  WANG Guojian, Li Mingang,MA Zhipin, et al

  Forensic Science And Technology. 2004, 0(1): 6.

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  ObjectiveTo set up a determination method of morphine in urine. MethodSolid phase micro extractio n fiber was us ed for extracting morphine in urine, morphine was derived with acetate anhydride and analyzing with gas chromatographymass spectrometry. Result Morphine in lever of 5ug/ml in urine was detected. Concl usionThis method can be used for fast inspection of the morphine in drug addict's urine.
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  Forensic spectral imaging

  WANG Guiqiang

  Forensic Science And Technology. 2004, 0(1): 7.

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  Hyperspectral imaging combines spectroscopy an d digital i maging technology.By the use of an imaging spectrometer，hyperspectral imaging cap tures a serial of images of reflective light or fluorescent light from examined object， and forms a data set of spectral image which contains intensity and spe ctral information of the object.This imaging method can be used to reveal patte rn details and to identify material component in forensic science.
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  Analysis of BDMPEA by GC/MS

  YU Zhongshan，ZHANG Chunshui，WANG Zhaohong，et al

  Forensic Science And Technology. 2004, 0(1): 13.

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  ObjectiveTo establish a method for ana lysis of BDMPEAMethodThe tablets captured from a dru g abuse case were analysed by GC/MSResultThe BDMPEA and other drugs were determined in the case samples. Conclusion BDMPEA was found in case for the first time in China
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  Examination of photosensitive stamp mark

  WANG Jinsheng，Wang Xiaoguang，Huang Libin, et al

  Forensic Science And Technology. 2004, 0(1): 15.

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  ObjectiveTo obtain a effective and practic al method for identification of photosensitive stamp markMethod Researched the process of how to make a photosensitive stamp，consulted the papers for information and data，analysed the characteristics of photosensitive stamp mark integrating with practiceResultTo completely under sta nd the principle of making a photosensitive stamp and summarize the common and i ndividual characteristics， presented the basic method for identification.
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  Classification of cablescissors by butting marks

  LIU Daifu，Zhang Shujie，Liang Dingwu，et al

  Forensic Science And Technology. 2004, 0(1): 18.

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  ObjectiveTo study the cutting marks characte ri stics of three kinds of cablescissorsMethodThe mac ro mark and micromark configurations of three sorts of the cablescissors were observed and concludeConclusionCablescissor can b e classified on the base of the marks of decollations’ integer configuration， th e line flow and radian， the configuration of the tip， the pausecut mark and etc.
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  The detection of fluoroacetamide and metabolic product of fluoroacetate by GC/MS

  WANG HongZong1，LI YunXiang，LIU Zhe，et al

  Forensic Science And Technology. 2004, 0(1): 21.

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  Fluoroacetamide，fluoroacetate and fluorocitra te have been studied in the bodies of rabbits' by using the methods of feeding them t o rabbits，then extracting them from the tissues of rabbits' The results show that there is no fluorocitrate in the tissues of rabbits' fed with fluoroacetami de and fluoroacetate， while fluorocitrate can be detected in the tissues of rab bits' fed with fluorcitrate That is， fluoroacetamide and fluoroacetate can't be metablized into fluorocitrate in the bodies of animals.
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  Detection of urea in the poisoning case

  CHEN Jianhul，JIA Gang，TENG Yue

  Forensic Science And Technology. 2004, 0(1): 24.

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  Objective To establish a GC/MS method for determination of ureaM ethodsU se traditional titration analysis and gas chromatogrammass spectrum analysis ResultsIn the range of 01μg～50μg， regression equatio ns revealed linear relationships （r＞09976）Conclusions This method was sensitive， fast and accurate It is useful for quantitat ive analysis of urea
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  Application of FTIR in poison and drugs examination

  ZHANG Jianchun，HU Xiaoqing

  Forensic Science And Technology. 2004, 0(1): 26.

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  ObjectiveTo establish a FTIR analysis method f or examination of poison and drugsMethodsThe liquid l iquid extraction was used for extracting sleeping tablet， mental tablet， pes ticide， raticide and inorganic poison from samples and FTIR was applied for qualitative analysisResults E ach of the common poison and drugs has special FTIR spectrum We can distinguis h them according to the FTIR spectrumConclusionFTIR i s suited for qualitative analysis of drugs and poison quickly and accurately
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  Crimescene recon struction and bloodstain pattern analysis

  FENG Changjun，GUO Lichuang，ZHANG Guangqing

  Forensic Science And Technology. 2004, 0(1): 30.

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  ObjectiveTo establish a methed for deducing active stat e of the wounded by bloodstain pattern analysisMethod Use AutoCAD20 00 software to calculate and analyzeResultThe conver gence and original point of bloodstain was determined accurately ConclusionThis method was effective to aid crime scene reconstructi on
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  A review on the determination of opiates in biological samples

  LIU Kelin, ZHU Yujun, LIU Feng, et al

  Forensic Science And Technology. 2004, 0(1): 32.

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  A review on the determination of opiates in biological sa mples in re cent five years is given, including the structure and properties of opiates, bei ng metabolized in human body, techniques of extraction and cleaning such as LLF, SPE and SFE, and methods of determination such as immunoassay, GC/MS, HPLC and LC/MS.
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  X-chromosome typing and sex determination

  LV Meili, WU Meiyun, LIANG Weibo, et al

  Forensic Science And Technology. 2004, 0(1): 37.

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  X-chromosome typing is widely used in sex det ermination and paternity testing involving a female child in forensic practice. This paper reviews the theories, methods and advantages of sex determination by Xchromosome typing in the field of cytology and molecular biology. The future of Xchromosome's applications and advanced methods are also discussed.