'Semen stains' diaporamas de présentation

Forensic Biology Richard Li, with additions and edits by Ruth Ballard

Lecture 3: Serology Tools. Forensic Biology Richard Li, with additions and edits by Ruth Ballard. Outline. Why is serology important? Alternative Light Sources Enzyme assays Immunological assays Antigens Antibodies Agglutination Microscopy. Why is Serology Important?. Used to:

420 views • 27 slides

Semen Analysis

388 views • 22 slides

Forensic Biology by Richard Li, with additions and edits by Ruth Ballard

Lecture 4: Identification of Semen. Forensic Biology by Richard Li, with additions and edits by Ruth Ballard. Outline. Biological characteristics of semen Spermatozoa Detection of semen Presumptive vs confirmatory tests Presumptive tests for semen Detection of sperm

513 views • 21 slides

Forensic Biology by Richard Li, with additions and edits by Ruth Ballard

Lecture 4: Identification of Semen. Forensic Biology by Richard Li, with additions and edits by Ruth Ballard. Outline. Biological characteristics of semen Spermatozoa Detection of semen Presumptive vs confirmatory tests Presumptive tests for semen Detection of sperm

390 views • 21 slides

Forensic Biology by Richard Li

Chapter 8: Identification of Semen. Forensic Biology by Richard Li. Biological Characteristics. Typical ejaculation 2-5 ml of semen, 160 million sperm 3 pg DNA/sperm = 480,000 ng DNA/ejaculate Only 1 ng DNA needed for STR typing! Seminal fluid Seminal vesicle fluid- 60% of ejaculate

495 views • 15 slides