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甲基麻黄碱是一种有用的天然产物药物成分,在现代中医药学领域中多有应用。因为是合成新型毒品甲基苯丙胺的主要原料之一而被列入了国务院颁布的《易制毒化学品的分类和品种目录》中。甲基麻黄碱作为成品出现在涉毒案件中未见报道,而且将其作为涉毒检材的检验研究也基本检索不到。本文根据一个实际案件,对其基本性质和检验方法进行初步的探讨。 相似文献
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毛发中甲基苯丙胺及代谢产物苯丙胺的分析研究 总被引:5,自引:2,他引:3
介绍了毛发中甲基苯丙胺( MAMP)及代谢产物苯丙胺( AMP)的 GC/NPD、 GC/MS的定性定量分析方法。毛发用 0.1 mol/L HCl水解, 4-苯基丁胺( 4- PBA)为内标,液-液提取,三氟乙酸酐( TFA)衍生化。毛发用量为 10mg,检出限为 GC/NPD 0.5ng/mg, GC/MS 0.1ng/mg,回收率大于 78%。该方法成功应用于染毒豚鼠毛发中 MAMP及其代谢产物 AMP浓度变化过程的测定。 相似文献
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本文通过3000余份毒品检材的监测,采用GC/MS分析了麻古、冰毒中常见的2种甲基苯丙胺替代物,希望引起毒品检验者的进一步警惕和关注。 相似文献
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血,尿中甲基苯丙胺以及代谢产物苯丙胺的分析研究 总被引:17,自引:1,他引:17
介绍了血、尿中甲基苯丙胺及其代谢产物苯丙胺的GC/MS,GC/FID和GC/NPD的定性定量分析方法.样品以4-苯基丁胺为内标,用200μl环己烷直接提取进样或提出物经微波照射快速衍生化后分析.方法简便、快速,回收率高于80%.检出限为2~5ng/ml.建立了体内甲基苯丙胶和苯丙胺的d/l光学对映体测定方法,可用于判断毒品来源及毒作用. 相似文献
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体液中常见滥用药物的系统筛选分析 总被引:6,自引:1,他引:5
本文建立了体液中常见滥用药物的筛选分析体系.尿液或血液经固相萃取(SPE)或液提取(LLE)后,直接用GC/NPD分析或经TFA、BSTFA衍生化后用GC/MS分析.方法适用于同时分析甲基苯丙胺、MDMA、度冷丁、去甲度冷丁、曲马多、美沙酮、EDDP、可卡因、苯甲酰芽子碱、可待因、安定、氯丙嗪、吗啡、单乙酰吗啡等十四种常见滥用药物及代谢物.SPE法和LLE法回收率分别为66~102%和50~86%,最低检出限为2-5ng/ml尿.涉毒案件的鉴定应用表明该分析方法简便、快速、可靠. 相似文献
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目的考察司来吉兰及其代谢物在尿液中的含量变化,并结合实际案例探讨手性分析区分甲基苯丙胺滥用与司来吉兰服用的可行性。方法采用CHIROBIOTICTM V2手性液相色谱柱对尿液样品进行手性分离和液相色谱-串联质谱(LC-MS/MS)法测定,并对司来吉兰服药志愿者尿样、疑服用司来吉兰的涉毒人员尿样进行甲基苯丙胺和苯丙胺的手性分析。结果服用5 mg司来吉兰后,尿液中司来吉兰的检出时限仅为7h。尿液中R(-)-甲基苯丙胺和R(-)-苯丙胺约在7h质量浓度最高,分别为0.86μg/m L和0.18μg/m L,并在80 h和168 h后无法检出。应用该方法成功分析了疑服用司来吉兰的涉毒人员尿液中甲基苯丙胺和苯丙胺的来源。结论甲基苯丙胺和苯丙胺的手性分析以及司来吉兰代谢物检测可区分甲基苯丙胺滥用与司来吉兰服用。 相似文献
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The study was to eliminate interference from ephedrine in the analysis of methamphetamine. The extraction procedure for methamphetamine was modified to include an oxidation step (2 ml urine specimen was treated with 0.5 ml of 1 mol/L phosphate buffer (pH 6.8) and 0.5 ml 0.3 mol/L sodium periodate). Results showed that ephedrine could be oxidized in the presence of periodate ions into smaller fragments while leaving methamphetamine intact. It is recommended that specimens be treated with sodium periodate prior to extraction in order to eliminate any interference caused by ephedrine. 相似文献
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P2P共享软件的滥用是一个颇具争议的热门话题,非议者不少,而支持者亦众.版权人、国家版权保护机构、影音业协会、网络供应商、互联网主管部门、警察机关、司法机关等均不约而同从不同的角度规制网民滥用P2P共享软件的行为.代表互联网未来发展方向的P2P共享软件本身并无过错,但其引发的诸项争议必须置于法律框架内方能解决.从剖析P2P共享软件的基本原理及因其滥用而引起的各种法律争议着手,分析滥用P2P共享软件行为的性质,探寻法律规制滥用P2P共享软件行为的规则. 相似文献
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滥用专利权与滥用专利制度之辨析——从日本“专利滥用”的理论与实践谈起 总被引:4,自引:0,他引:4
专利制度的滥用不同于专利权的滥用,前者是专利制度的缺陷导致的,后者是权利人行使合法有效的权利超越了权利的范围或者违反了专利法以及竞争法的强制规定而发生的.因此,规制专利权滥用的法律并不能解决"问题专利"以及专利制度滥用的问题.对专利制度的滥用只能通过完善专利制度本身来解决. 相似文献
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在数字技术与互联网络环境下,数字版权管理为版权人提供了一种私力保护的模式,让作品使用者不能任意复制、发行、传播和修改其作品,甚至对非授权的使用进行识别、警告或制裁,从而达到保护或实现其版权利益的目的。但数字版权管理在实际运用过程中,可能对公平竞争、公共资源、合理使用、信息安全、公共秩序、消费者权益及个人隐私权等公共利益造成一些危害,因而在立法和司法实践中应当给予相应的限制。 相似文献
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Nikolas P. Lemos 《Science & justice》2009,49(4):247-249
Methamphetamine incidence in driving under the influence cases in the City and County of San Francisco is a significant and on-going challenge. Two methamphetamine positive driving cases are presented herein demonstrating some similarities in observed signs and symptoms and drug blood concentrations but which are also characterized by very different driving styles and behaviours towards the police officers when encountered on the road. 相似文献
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N Lund 《American journal of law & medicine》1985,11(1):1-29
Infanticide, like most other species of homicide, is probably coeval with the human race itself. In modern Western civilization, what were formerly the most powerful incentives to infanticide have virtually disappeared. As with other social problems that affluence has seemed to solve, however, infanticide has reappeared in a new form that seems to have been made possible by affluence itself. This "new infanticide" occurs in a place whose very existence is the result of a tremendously wealthy society's devotion to its most vulnerable and least "useful" members. The modern neonatal intensive care unit, which treats, and often saves, extremely ill newborn children, who during most of history would surely have died, has proven to be a setting where many of the age-old incentives for infanticide have begun to operate again. The "new infanticide" consists of withholding food or needed medical treatment from selected infants who suffer from one or more serious, though treatable, medical problems. The national government has now enacted legislation designed to curtail the practice of infanticide by the medical profession. This paper traces the genesis of that legislation, explores the problem to which it is addressed, and evaluates its prospects for success. 相似文献