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Biometric Updates

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 […]
Lasers and terahertz waves combined in camera that sees 'unseen' detail February, 2020
A team of physicists has successfully developed the first nonlinear camera capable of capturing high-resolution images of the interior of solid objects using terahertz (THz) radiation.
Is it hemp or marijuana? New scanner gives instant answer February, 2020
Hemp is technically legal in Texas, but proving that hemp is not marijuana can be a hurdle, requiring testing in a licensed laboratory. Now, a team of researchers have created a 'hemp scanner' that could easily fit in a police cruiser and distinguish hemp and marijuana instantly, without damaging any of the product.
Experimental fingerprint test can distinguish between those who have taken or handled cocaine February, 2020
An experimental fingerprint detection approach can identify traces of cocaine on human skin, even after someone has washed their hands -- and the test is also smart enough to tell whether an individual has actually consumed the class A drug, or simply handled it.
Residues in fingerprints hold clues to their age January, 2020
Police have long relied on the unique whorls, loops or arches encoded in fingerprints to identify suspects. However, they have no way to tell how long ago those prints were left behind -- information that could be crucial to a case. A preliminary new study suggests that could change. Researchers report that they could link […]
Low power metal detector senses magnetic fingerprints January, 2020
Recent studies have shown metallic objects have their own magnetic fingerprints based on size, shape and physical composition. Scientists look to leverage these observations to potentially create a smaller and cheaper system that is just as effective as their larger counterparts.