Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:


Researchers develop a new technique to date forensic death based on corpse microorganisms

A group of scientists of the University of Granada has developed a new technique of forensic dating based on thermo-microbiology, which will allow to determine more accurately the time of a death which has not occurred under controlled natural conditions or as a consequence of a crime.

This new system, of great interest in the field of criminology, establishes correspondences between the parametres of micro-organic growth on cadaverous remains and dates the time of death of such remains, as well as their relation with their temperature.

The study has been carried out by Professor Isabel Fernández Corcobado and supervised by Professors Miguel Botella López, of the Laboratory of Anthropology of the UGR, and Eulogio Bedmar Gómez of the Zaidín Experimental Station (CSIC). The purpose of the project was to establish the initial methodological basis to create a protocol of general application in the field of Forensic Termography and Microbiology in order to provide new complementary tools to the existing criminalistic techniques.

Such protocol would provide a new criminalictic approach to the traditional techniques already used in the microbiological analysis of samples of all kinds. The researchers report that, in the analysis carried out with this new technique would provide information resulting of the new and fast contrast elements during the criminalistic investigation to the forensic and policial and judicial investigation teams.

To carry out this work, the authors analysed about 240 microorganic samples taken from bodies from the Institute of Legal Medicine of Granada and 352 from living donors.

Higher approach

According to Isabel Fernández, the aim of the research work was to bring criminalistic techniques closer to the analysis of the phenomenons caused during the stages of cadaverous decomposition and putrefaction, in order to reach a better approach to the estimate of the time of death.

They have used new thermographical and weather measurement tools and they have applied traditional microbiological methods with a new approach. The purpose was to make easier the analysis of the stages of cadaverous decomposition and putrefaction, connecting them with the model of growth/death of the micro-organisms, responsible for the post-mortem alterations. The aim of this work, in short, is to establish a microbiological indicator to determine the time of death.

Therefore, scientists have tried an alternative method of approach to the estimated time of death in order to reduce the present margin of error in the application of other different methods and limit to the maximum the moment of death.

The results of this research, which will be extended after its preliminary results in order to definitely validate the method, have been published in the Journal of the Biologists' Association of the Autonomous Region of Madrid.

Isabel Fernández Corcobado | EurekAlert!
Further information:

More articles from Life Sciences:

nachricht Bioluminescent sensor causes brain cells to glow in the dark
28.10.2016 | Vanderbilt University

nachricht Activation of 2 genes linked to development of atherosclerosis
28.10.2016 | Brigham and Women's Hospital

All articles from Life Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Novel light sources made of 2D materials

Physicists from the University of Würzburg have designed a light source that emits photon pairs. Two-photon sources are particularly well suited for tap-proof data encryption. The experiment's key ingredients: a semiconductor crystal and some sticky tape.

So-called monolayers are at the heart of the research activities. These "super materials" (as the prestigious science magazine "Nature" puts it) have been...

Im Focus: Etching Microstructures with Lasers

Ultrafast lasers have introduced new possibilities in engraving ultrafine structures, and scientists are now also investigating how to use them to etch microstructures into thin glass. There are possible applications in analytics (lab on a chip) and especially in electronics and the consumer sector, where great interest has been shown.

This new method was born of a surprising phenomenon: irradiating glass in a particular way with an ultrafast laser has the effect of making the glass up to a...

Im Focus: Light-driven atomic rotations excite magnetic waves

Terahertz excitation of selected crystal vibrations leads to an effective magnetic field that drives coherent spin motion

Controlling functional properties by light is one of the grand goals in modern condensed matter physics and materials science. A new study now demonstrates how...

Im Focus: New 3-D wiring technique brings scalable quantum computers closer to reality

Researchers from the Institute for Quantum Computing (IQC) at the University of Waterloo led the development of a new extensible wiring technique capable of controlling superconducting quantum bits, representing a significant step towards to the realization of a scalable quantum computer.

"The quantum socket is a wiring method that uses three-dimensional wires based on spring-loaded pins to address individual qubits," said Jeremy Béjanin, a PhD...

Im Focus: Scientists develop a semiconductor nanocomposite material that moves in response to light

In a paper in Scientific Reports, a research team at Worcester Polytechnic Institute describes a novel light-activated phenomenon that could become the basis for applications as diverse as microscopic robotic grippers and more efficient solar cells.

A research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used...

All Focus news of the innovation-report >>>



Event News

#IC2S2: When Social Science meets Computer Science - GESIS will host the IC2S2 conference 2017

14.10.2016 | Event News

Agricultural Trade Developments and Potentials in Central Asia and the South Caucasus

14.10.2016 | Event News

World Health Summit – Day Three: A Call to Action

12.10.2016 | Event News

Latest News

Steering a fusion plasma toward stability

28.10.2016 | Power and Electrical Engineering

Bioluminescent sensor causes brain cells to glow in the dark

28.10.2016 | Life Sciences

Activation of 2 genes linked to development of atherosclerosis

28.10.2016 | Life Sciences

More VideoLinks >>>