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Biometric Updates

Researchers report quantum-limit-approaching chemical sensing chip January, 2021
Researchers are reporting an advancement of a chemical sensing chip that could lead to handheld devices that detect trace chemicals -- everything from illicit drugs to pollution -- as quickly as a breathalyzer identifies alcohol.
Within a hair's breadth -- forensic identification of single dyed hair strand now possible December, 2020
A single strand of hair in a crime scene contains many clues that can help identify a perpetrator. In a recent study, scientists have combined two modern techniques, called surface-enhanced Raman spectroscopy and X-ray fluorescence, to distinguish between different colors in individual hair strands. Both these techniques are almost non-destructive and can be conducted with […]
Fingerprints' moisture-regulating mechanism strengthens human touch November, 2020
Human fingerprints have a self-regulating moisture mechanism that not only helps us to avoid dropping our smartphone, but could help scientists to develop better prosthetic limbs, robotic equipment and virtual reality environments, a new study reveals.
New tool to combat terrorism November, 2020
Forensic science experts are refining an innovative counter-terrorism technique that checks for environmental DNA in the dust on clothing, baggage, shoes or even a passport.
3D biometric authentication based on finger veins almost impossible to fool September, 2020
Biometric authentication, which uses unique anatomical features such as fingerprints or facial features to verify a person's identity, is increasingly replacing traditional passwords for accessing everything from smartphones to law enforcement systems.
Safer CRISPR gene editing with fewer off-target hits July, 2020
The CRISPR system is a powerful tool for the targeted editing of genomes, with significant therapeutic potential, but runs the risk of inappropriately editing ''off-target'' sites. However, a new study shows that mutating the enzyme at the heart of the CRISPR gene editing system can improve its fidelity.
FloChiP, a new tool optimizing gene-regulation studies June, 2020
Scientists have developed a tool called FloChip, a new microfluidic take on the widely used chromatin immunoprecipitation (ChIP) technique. By automating and cutting the cost of ChIP and sequential-ChIP, FloChIP has the potential to become a widely used tool for the study of chromatin biology and gene regulation.
High-security identification that cannot be counterfeited May, 2020
Researcher have used the principles that underpin the whispering-gallery effect to create an unbeatable anti-counterfeiting system. The researchers' system is a microchip consisting of two-step authentication. Step 1 is the visible pattern on the chip. Step 2 is the non-forgeable color fingerprint of the chip. These microchips will be useful for high-security authentication.
Chocolate 'fingerprints' could confirm label claims April, 2020
The flavor and aroma of a fine chocolate emerge from its ecology, in addition to its processing. But can you be certain that the bar you bought is really from the exotic locale stated on the wrapper? Now, researchers are presenting a method for determining where a particular chocolate was produced by looking at its […]
Smartphone videos produce highly realistic 3D face reconstructions April, 2020
Normally, it takes pricey equipment and expertise to create an accurate 3D reconstruction of someone's face. Now, researchers have pulled off the feat using video recorded on an ordinary smartphone. Shooting a continuous video of the front and sides of the face generates a dense cloud of data. A two-step process uses that data, with […]