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18-Jul-2019

Ben-Gurion University Introduces Superior Forensic Blood Detection Test Using Luminescence-Based Detection

BEER-SHEVA, Israel, July 18, 2019 /PRNewswire/ -- BGN Technologies, the technology transfer company of Ben-Gurion University of the Negev (BGU), introduces a new chip device that offers superior identification of miniscule blood residues for forensic applications.

The new device combines the use of luminol, a chemical that exhibits chemiluminescence, with gold or silver nanospheres, positioned in a specially designed serpentine-shaped microfluidic device, and functioning as nano-antennas that significantly increase the detection limit through amplifying emission of chemiluminescence light and facilitating the imaging due to the integration with a microfluidic chip. The technology was invented by Prof. Alina Karabchevsky, Electro-Optics and Photonics Engineering Department, School of Electrical and Computer Engineering and Ilse Katz Institute for Nanoscale Science & Technology, at BGU.

"Our findings open the door to new integrated microfluidic chips based on Purcell effect mediated by nano-plasmons with gain media. Practical implementation of the discovered effect will include further superior chemiluminescence-based sensors for forensic science, research in biology and chemistry, and no-source opto-chemical lasers," said Prof. Karabchevsky. 

Criminologists use luminol to identify microscopic blood drops, as well as low concentrations of hydrogen peroxide, proteins and DNA which are all invisible to the naked eye. The use of lumino-based chemiluminescence to detect these biological residues is advantageous since the detected signal does not depend on an external light source, and it is cost-effective. The microfluidic chip invented by Prof. Karabchevsky and her team, not only increases the chemiluminescence intensity several fold, but also prolongs the glow time of luminol, enabling the detection of much smaller blood samples in a forensic scene. 

"Identifying trace quantities of blood can increase the efficiency and accuracy of a forensic investigation of a crime scene, but requires more sensitive detectors than those that are currently available," explained Netta Cohen, CEO, BGN Technologies. "The method developed by BGU researchers will enable development of future detectors with improved sensitivity. We are currently looking for partners for further developing this promising patented invention."

About BGN Technologies

BGN Technologies is the technology company of Ben-Gurion University of the Negev, Israel. The company brings technological innovations from the lab to the market and fosters research collaborations and entrepreneurship among researchers and students. To date, BGN Technologies has established over 100 startup companies in the fields of biotech, high-tech, and cleantech as well as initiating leading technology hubs, incubators, and accelerators. Over the past decade, it has focused on creating long-term partnerships with multinational corporations such as Deutsche Telekom, Dell-EMC, IBM, PayPal, and Bayer, securing value and growth for BGU as well as for the Negev region. For more information, visit the BGN Technologies website.

Media Contact:
Tsipi Haitovsky
Global Media Liaison,
BGN Technologies
Tel: +972-52-598-9892
E-mail: tsipihai5@gmail.com

 

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SOURCE BGN Technologies

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Last Updated: 18-Jul-2019