Video: Robotic Frozen Sample Management

The SmartFreezer provides an automatic, robotic solution for laboratory sample management and storage at ultra-low -180°C temperatures.

Quantitative Data Analysis Tools for Toolmarks

A report recently released by the National Institute of Justice's National Criminal Justice Reference Service looks "to provide quantitative data analysis tools for characterization of tool marked surfaces to improve the scientific basis of toolmark identifications."

Exposure to Passive Cannabis Smoke Contaminates Hair for Seven Weeks

Is it possible to test for cannabis use by sampling a suspected user’s hair, and could you tell if a positive result is due to use or third-hand passive smoking? Research in Drug Testing and Analysis explored condensation of cannabis smoke on hair surface to discover a more accurate method of testing for external contamination. The research analyzed three participants who were exposed to the smoke of one joint every weekday over three weeks.

Biomarkers of Human Decomposition Ecology

A final technical report, "Biomarkers of Human Decomposition Ecology and the Relationship to Postmortem Interval," was recently made available by the National Institute of Justice, through the National Criminal Justice Reference Service.



Studying Degraded DNA

Through the National Criminal Justice Reference Service, the National Institute of Justice has made available a report: "NIJ Proposal to Enhance Methods for Studying Degraded DNA, Final Technical Report".

Natural Enzymes Conquer Difficult Cleaning Challenges

Zymit Low-Foam is a synergistic dual-enzyme and detergent formula that specifically target and remove protein- and starch-based soils. The enzymes break down dirt, and the detergents gently wash it away. In some cases, Zymit Low-Foam will even deodorize. With a typical pH (neat) of 6.9 to 8.4, Zymit Low- Foam is almost as mild as ordinary water.

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New Books

Bloodstain Pattern Analysis

Most forensic disciplines attempt to determine the “who” of a crime. But bloodstain pattern analysis focuses on the “what happened” part of a crime. This book is the third edition of Blood-stain Pattern Analysis. The authors explore the topic in depth, explaining what it is, how it is used, and the practical methodologies that are employed to achieve defensible results. It offers practical, common-sense advice and tips for both novices and professionals.