UniServe Science Chemistry Table of Contents

9.9 Forensic Chemistry


General information Organic material - plant or animal Specific carbohydrate compounds Lipids in forensic chemistry
Proteins in forensic chemistry DNA in forensic chemistry Microscopy Light spectroscopy

 

New chemical technique using radioactive isotopes being used in forensics

Radioisotopes reveal victim's life and death - from Technology, New Scientist

Isotopes could improve forensics - from BBC

Forensic scientists unveil new techniques - from The Guardian

Major Crime Cases - can you help? - from Dorset Police, UK

Strands of hair could be key to unsolved murder case - from The Guardian

General information

Forensic Chemistry - from HSC Online

Bones and the Badge - a WebQuest from Technology Challenge Grants, Kearny High School

Regional Technicians Group, Problems and Solutions - Recipes - contains recipes for artifical urine, blood, pH solutions and saliva

National Measurement Institute

NSW Police Online Forensic Services Group

CSI: Crime Seen, Investigated - from The Why Files

Young Forensic Scientists Forum - American Academy of Forensic Sciences

Forensic Sciences Education Center - from Criminal Justice Institute of Arkansas University, several useful web page links are given

Speckin Forensic Laboratories - commercial forensic services web site, illustrates many methods of investigation

Was this fire deliberate? - commercial forensic services web site, illustrates arson investigations

See other TC Forensic Articles in particular:

Is it an Accidental Fire or Arson?
The Science & "Art" of Fire Investigation
Electrical Appliance Fires
Sampling Debris at the Fire Scene

Crime & Clues - The Art and Science of Criminal Investigation

A Day in the Life of a Forensic Scientist - from Notebook Magazine

A Beginner's Primer on the Investigation of Forensic Evidence - from Scientific Testimony: An Online Journal

GC/MS Analysis - Gas chromatography (GC) and mass spectrometry (MS) - from Scientific Testimony: An Online Journal

A Case Study Involving the Chemical Detection of Cocaine-Contaminated Currency - from Case Studies in Science Education Workshop, State University of New York at Buffalo\

The Restless Sleep - NYC Cold Case Squad Blog

Special Projects in Analytical Chemistry - forensic investigation case studies/methodology

Forensic Chemistry - a unit of work produced by students in the MTeach course at The University of Sydney, 2000

Forensic Chemistry Lab Manual - from Florida International University (word doc 453kB)

Gunshot residues Under the Microscope - from ABC

Forensic Scientists - from The Thin Blue Line, unofficial web site of NSW Police

The Code of Ethics - from The Australian and New Zealand Forensic Science Society

Discussion Points

The job of the forensic chemist - from HSC Online, scroll to bottom of article for reference to Azaria Chamberlain Case

DNA leads cold-case squad to first arrest - article from Sydney Morning Herald (Jan 2005)

Norfolk Island accused admitted hitting victim with car, court told - article from The Age newspaper (Feb 2006)

Norfolk murder victim hit by car, court hears - from ABC Online (Feb 2006)

Episode 8: DNA - from Law Matters, ABC


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Organic material - plant or animal

MolData resources in Organic Chemistry - from Pomona College

What is the difference detween an inorganic and organic compound? - a discussion, from the Mad Science Network

Water and organic molecules - from Maricopa Community Colleges

Carbohydrates: Qualitative Tests - from Park University, Goole's Cached copy

Qualitative Tests for Carbohydrates - from modular laboratory program in chemistry, CHEMICAL EDUCATION RESOURCES, Thomson/Brooks/Cole (pdf 122 KB)

The job of the forensic chemist - Distinguishing Tests for carbon Compounds, from HSC On-line

Volatile organic compounds in pharmaceutical products and biological materials - including some 'real-life' applications, Dr Zeno's Forensic Site

Sugars Picture Gallery - Chemistry Pictures

Higher Sugars and Polymers - from Rensselaer Polytchnic Institute

Starch and Cellulose - from Rensselaer Polytchnic Institute

Reducing Sugars - from Rensselaer Polytchnic Institute

Fehling's Test - from University of Regensburg

Test for Starch - from University of Regensburg


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Specific carbohydrate compounds

Chitin Research - from University of Delaware

What is chitin? - from European Chitin Society

Structure and Function of Fungi: Wall composition - from Fungal Biology, The University of Sydney


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Lipids in forensic chemistry

Lipids Picture Gallery - Chemistry Pictures

Lipids and membrane Structure - from Rensselaer Polytechnic Institute

Ridge Detail at a Crime Scene - from Crime Scene Investigations and Miami-Dade Police Department: Crime Scene Investigations

Simple Forensic Science experiments - from Think Quest

Cyanoacrylate (Superglue) Fuming Tips - method for doing a latent fingerprint examination


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Proteins in forensic chemistry

Simple test for Amino Acids - from General Chemistry Online

Peptide Geometry, part 1 and part 2 - from University of London, two Pages

Molecules of Life- Proteins - from 2Can Bioinformatics Education Resource - first of 5 web pages

Protein Picture Gallery - from Chemistry Pictures

Electrophoresis Simulation Site - from Rochester Institute of Technology, includes a simulation of the electrophoresis of protein and DNA (DNA simulation requires Chime plug-in)

Desktop Electrophoresis Lab - MOVING MOLECULES - from Access Excellence - build an electrophoresis box

Electrophoresis: Casting and Loading an Agarose Gel - from NERDS, University of Nebraska–Lincoln

TOPS Fish Protein Lab - Compare proteins from different species of fish - Includes a lot of downloadable materials, from Occidental College

Experiment 10: Paper Chromatography of Food Dyes and Amino Acids - a laboratory procedure for separate a mixture of amino acids obtained from the hydrolysis of a protein, from Capitol University

Thin layer chromatography for plant pigments - from Science and Plants for Schools, Cambridge University

Thin-Layer Chromatography (TLC) - from Virginia Polytechnic Institute and State University


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DNA in forensic chemistry

DNA and Forensic Science Criminal Investigation - extensive list of online resources

DNA Testing: An Introduction For Non-Scientists An Illustrated Explanation - an online tutorial from Scientific Testimony: An online journal

DNA Forensics - from the Human Genome Project

Colorful Electrophoresis - from Genetic Science Learning Center, University of Utah

Create a DNA Fingerprint - an interactive activity from NOVA Online, PBS

Problem Sets & Tutorials including DNA Forensics Problem Set 1 and DNA Forensics Problem Set 2 from the Australian mirror site of "The Biology Project", University of Arizona

Problem-Based Learning at the University of Delaware - see activities "Case Study Problem in Molecular Evolution" and "Whose Embryo Is It, Anyway?"

The Mystery Spot at Access Excellence - see activities "Who Done It?" and "Where's the CAT? A DNA Profiling Activity"

The Evaluation of Forensic DNA Evidence - from National Academic Press

From Fingerprints to DNA - from the Lab, ABC Science Online

An Interview with DNA Forensics Authority Dr. Bruce Weir

Use of DNA in Identification - excerpt of a talk by Eric Lander, from Access Excellence

DNA on the Witness Stand - talk by Eric Lander from Access Excellence

DNA Fingerprinting in Human Health and Society - from Access Excellence

A Primer in DNA Structure and Function - from the University of Michigan

Forensics - from Lost on Everest, using DNA to identify bodies of mountainclimbers lost on Mt Everest, from NOVA Online, PBS

DNA Detective - a very simple interactive that illustrates the use of DNA in identifying products from endangered animals, from American Museum of Natural History


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Microscopy

Electron Microscopy Electron Spectroscopy for Chemical Analysis - ESCA or XPS (X-ray Photoelectron Spectroscopy)

X-Ray Photoelectron Spectroscopy - from the Handbook of Analytical Methods, Materials Evaluation and Engineering, Inc

ESCA - Electron Spectropscopy for Chemical Analysis - from University of Buffalo

X-Ray Photoelectron Spectroscopy - from Stanford Linear Accelerator Center, STanford University

What is XPS? - with animation from Northwestern University

Atomic force microscopy

Atomic Force Microscopy - from the Handbook of Analytical Methods, Materials Evaluation and Engineering, Inc

Atomic Force Microscopy - image gallery - from the Handbook of Analytical Methods, Materials Evaluation and Engineering, Inc

Welcome to the Atomic Force Thin Films and Microscopy Lab - from Stephen F. Austin State University

Atomic Force Microscopy (AFM) - from the National Institute of Standards and Technology

ATOMIC FORCE MICROSCOPY - from the University of Guelph

Scanning tunnelling microscopy

Scanning Tunneling Microscope: What it is and how it works - from Institut für Allgemeine Physik, Vienna

Scanning Tunneling Microscopy - images through a scanning tunnelling microscope from Google Images

MICROSCOPY, SCANNING TUNNELING - by VIRGINIA M. AYRES, Michigan State University (pdf 2.5 MB)

SCANNING TUNNELING MICROSCOPE - from National Institute of Standards and Technology (NIST) Virtual Museum

The Scanning Tunnelling Microscope - from Educational Games, Nobel Prize Site

Moving Atoms: Welcome to the STM Gallery - from IBM Almaden Research Center Visualisation Laboratory, contains beautiful images

Mass spectrometry

Mass Spectrometry - an interactive tutorial showing how a mass spectrometer works - from The Organic Chemistry Virtual Tutor at Colby College, requires Shockwave

GC/MS Drug Testers Face Olympian Challenge - an article from Today's Chemist at Work, online journal - gas chromatography (GC) and mass spectrometry (MS) may soon provide the tools to nab athletes who don’t play by the rules

Spectrometry Aids "New and Improved" - an article from Today's Chemist at Work, online journal

Precious Provenance - an article on using spectroscopy to trace metals in gemstones - from Today's Chemist at Work, online journal

Fighting Crime with Specificity - an article from Today's Chemist at Work, online journal

Introduction to Spectroscopy - from Michigan State University

MASS SPECTROSCOPY MENU - from Understanding Chemistry, ChemGuide, UK


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Light spectroscopy

On-Line Interactive Programs - Visual Quantum mechanics - from Physics Education Research Group, Kansas State University, include both Emission and Absorption Spectroscopy and Infra-red Detector and Fluorescence Luminescence, requires Shockwave

SPECTROSCOPY - course notes, from Virginia Virginia Polytechnic Institute and State University

Emission spectroscopy

Spectral Lines - from Physics2000 at University of Colorado at Boulder, inlcudes an interactive simulated spectrometer that allows the investigation of sodium and mercury

Lights and Colours - the physics of coloured fireworks, from University of Oulu

INFRA-RED SPECTROSCOPY MENU - from Understanding Chemistry, ChemGuide, UK

Infra Red Spectroscopy of Alcohols and their Oxidation Products - from Mike Docker, The Sixth Form College

Infrared Spectroscopy - from Michigan State University

Visible and Ultraviolet Spectroscopy - from Michigan State University

Introduction to IR Spectra - from University of California Los Angeles

Forensic Applications of Infrared Spectroscopy - includes an online Poster Presentation of analysis using Raman Spectroscopy from Andor Technology


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