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Zhu's mother disagreed. As a result, university employees packed up Zhu's belongings (including a camera, a watch, honey, coffee, and a lunch box) and stored them in the Chemistry department. When the second theft was reported, the Chemistry department explained casually that "those things could have been taken away by the janitors".
Strychnine is easily quantitated in body fluids and tissues using instrumental methods in order to confirm a diagnosis of poisoning in hospitalized victims or to assist in the forensic investigation of a case of fatal overdosage. The concentrations in blood or urine of those with symptoms are often in the 1–30 mg/L range. [24]
Forensic DNA analysis takes advantage of the uniqueness of an individual's DNA to answer forensic questions such as paternity/maternity testing and placing a suspect at a crime scene, e.g. in a rape investigation. Forensic engineering is the scientific examination and analysis of structures and products relating to their failure or cause of damage.
Forensic chemistry is the application of chemistry and its subfield, forensic toxicology, in a legal setting. A forensic chemist can assist in the identification of unknown materials found at a crime scene. [1] Specialists in this field have a wide array of methods and instruments to help identify unknown substances.
In the United States during the 1930s, Louis Gdalman, a pharmacist knowledgeable in the chemistry of harmful substances, set up a poison information service at St. Luke's Hospital (Chicago, Illinois). [5] He became known around Chicago and the country as the person to contact in a poisoning case and would take calls at home around the clock.
Chemistry, not moral failing, accounts for the brain’s unwinding. In the laboratories that study drug addiction, researchers have found that the brain becomes conditioned by the repeated dopamine rush caused by heroin. “The brain is not designed to handle it,” said Dr. Ruben Baler, a scientist with the National Institute on Drug Abuse.
The first successful documented case of forensic firearm examination occurred in 1835 when a member of the Bow Street Runners in London matched a recovered bullet from a murder victim to a specific mold in a suspect's home confirming that he made the bullet; this gave further evidence that the bullet maker was the perpetrator and he was ...
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