LABORATORY NEWS
Raman Spectroscopy of Paints

This report describes a study intended to identify pigments in automotive and architectural paint samples and develop practical methods for pigment analysis and identification using raman spectroscopy.

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Microfluidic Technique Recovers DNA for IDs

A team of researchers at the National Institute of Standards and Technology (NIST) and Applied Research Associates, Inc. (ARA, Alexandria, Va.) has demonstrated an improved microfluidic technique for recovering DNA from real-world, complex mixtures such as dirt. According to a recent paper*, their technique delivers DNA from these crude samples with much less effort and in less time than conventional techniques. It yields DNA concentrations that are optimal for human identification procedures and can potentially be miniaturized for use outside the laboratory.

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New Technique Analyzes Lipstick Traces

A study by forensic scientists at the University of Kent in the United Kingdom has established a new way of identifying which brand of lipstick someone was wearing at a crime scene without removing the evidence from its bag, thereby avoiding possible contamination.

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Report Describes Improvements in Forensic Process

The NIJ, through the National Criminal Justice Reference Service, has made available a final technical report that describes improvements in laser ablation-inductively coupled plasma-mass spectrometry.

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Video: Portable Fuming System

The CApture Portable Fuming System quickly fixes latent fingerprints at the crime scene using microburst or traditional CA fuming methods, while protecting the user from hazardous fumes.

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Video: Downdraft Powder Stations

Protector Downdraft Powder Stations keep users safe by containing powders during fingerprint processing. The open-sided, open-top work station provides unrestricted operator movement and accommodates oversized evidence.

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Lifting Latent Fingerprints from Difficult Surfaces

ALMOST ANYONE can find, process, and lift a latent print that happens to be in a logical and obvious place like a door handle, a beer can, or a butcher knife. But sometimes, a latent print is not just sitting there in a logical and obvious place. Sometimes, you have to use your imagination to find the print and your skills to lift it.

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