![法医昆虫学和湖沼学 法医昆虫学和湖沼学]({"xsmall":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larvae.jpg/_jcr_content/renditions/original.image_file.100.100.258,0,1340,1082.file/forensic-entomology_larvae.jpg","small":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larvae.jpg/_jcr_content/renditions/original.image_file.360.360.258,0,1340,1082.file/forensic-entomology_larvae.jpg","medium":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larvae.jpg/_jcr_content/renditions/original.image_file.768.768.258,0,1340,1082.file/forensic-entomology_larvae.jpg","large":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larvae.jpg/_jcr_content/renditions/original.image_file.1024.1024.258,0,1340,1082.file/forensic-entomology_larvae.jpg","xlarge":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larvae.jpg/_jcr_content/renditions/original.image_file.1082.1082.258,0,1340,1082.file/forensic-entomology_larvae.jpg","xxlarge":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larvae.jpg/_jcr_content/renditions/original.image_file.1082.1082.258,0,1340,1082.file/forensic-entomology_larvae.jpg","max":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larvae.jpg/_jcr_content/renditions/original.image_file.1082.1082.258,0,1340,1082.file/forensic-entomology_larvae.jpg"})
法医学的显微镜应用
法医昆虫学和湖沼学
从法医调查中鉴定并可靠记录生物物种
作为这些领域的专家,您经常需要借助光学放大对法医调查中的生物物种进行明确的鉴定并做出可靠的记录。这些工作可以通过对样品形状和表面的某些独特特征进行纳米级到微观和宏观观察来完成。
在法医湖泊学中,硅藻是通常需要关注的对象。这种微型的藻类可以帮助确认或排除溺水死亡,因为人体在吸入海水或淡水时,它们会随之进入各种器官。硅藻具有高度的谱系多样性,75,000多个已命名的类群分布在多样化和高度特异性生态系统中,通常可以非常精确地缩小溺水或衣料接触水的位置。从组织中分离出硅藻高度复杂的图案硅壳后,可对其进行光学和/或电子显微镜成像和记录。凭借具有良好衬度和分辨率的高质量成像数据,可以对硅藻图进行可靠的比较分析。
法医学或医学犯罪背景下的法医昆虫学关注在特定条件下定殖于人体组织的昆虫。法医昆虫学涉及估算在人体组织中发育的昆虫的年龄;具体来说,它涉及估算定殖时间或虫卵或幼虫沉积在遗骸上的时间(称为自定殖以来的最短时间),以及自昆虫活动开始以来经过的时间(称为验尸间隔或PMI)。
![食肉甲虫,亦称为火腿皮蠹,可能是定殖在动物制品上的害虫,法医昆虫学 食肉甲虫,亦称为火腿皮蠹,可能是定殖在动物制品上的害虫,法医昆虫学]({"xsmall":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larder-beetle.jpg/_jcr_content/renditions/original.image_file.100.100.240,0,1680,1440.file/forensic-entomology_larder-beetle.jpg","small":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larder-beetle.jpg/_jcr_content/renditions/original.image_file.360.360.240,0,1680,1440.file/forensic-entomology_larder-beetle.jpg","medium":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larder-beetle.jpg/_jcr_content/renditions/original.image_file.768.768.240,0,1680,1440.file/forensic-entomology_larder-beetle.jpg","large":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larder-beetle.jpg/_jcr_content/renditions/original.image_file.1024.1024.240,0,1680,1440.file/forensic-entomology_larder-beetle.jpg","xlarge":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larder-beetle.jpg/_jcr_content/renditions/original.image_file.1280.1280.240,0,1680,1440.file/forensic-entomology_larder-beetle.jpg","xxlarge":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larder-beetle.jpg/_jcr_content/renditions/original.image_file.1440.1440.240,0,1680,1440.file/forensic-entomology_larder-beetle.jpg","max":"https://www.zeiss.com/content/dam/rms/reference-master/applications/forensics/forensic-entomology_larder-beetle.jpg/_jcr_content/renditions/original.image_file.1440.1440.240,0,1680,1440.file/forensic-entomology_larder-beetle.jpg"})
食肉甲虫,亦称为火腿皮蠹,可能是定殖在动物制品上的害虫,法医昆虫学
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食肉甲虫,亦称为火腿皮蠹,可能是定殖在动物制品上的害虫,法医昆虫学
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绿头苍蝇,红头丽蝇,喝水图片cECP 2020,法医昆虫学 ©Ernie Cooper,Adobe Stock扩展许可证
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绿头苍蝇,红头丽蝇,喝水图片cECP 2020,法医昆虫学
医学犯罪背景下的法医昆虫学通常用于:
- 确定死亡的地理位置
- 建立受害人与嫌疑人之间的联系
- 鉴定外伤部位
- 确定死亡时间
- 提供备用毒理学和DNA样品
虽然区分成熟昆虫通常相对简单,但虫卵、蛆(幼虫)和蛹可能看起来很相似。体视显微镜可以提供此类样品的详细立体视图,您无需制备样品,即可在昆虫生命周期的任何时间观察活体样品并记录发现结果。自动变倍显微镜和电子显微镜具有高分辨率,即使面对极具挑战性的样品也能进行可靠记录。