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Two-Luminogen Hydrogel Chemosensor Detects Seafood Freshness by Changing Color Written by AZoMMay 7 2021 A team of researchers from Germany and China has developed a novel artificial color-changing material that imitates the skin of a chameleon, through luminogens (molecules that cause crystals to glow) arranged into different core and shell layers of hydrogels rather than a single uniform matrix. This image shows the color change of the “chameleon skin” hydrogel-based chemosensor in response to biogenic volatile amine vapors, which are a well-known indicator of fish and shrimp spoilage. ...

 E-Mail IMAGE: This image shows the color change of the "chameleon skin " hydrogel-based chemosensor in response to biogenic volatile amine vapors, which are a well known indicator of fish and shrimp spoilage.... view more  Credit: Lu et al./Cell Reports Physical Science Scientists in China and Germany have designed an artificial color-changing material that mimics chameleon skin, with luminogens (molecules that make crystals glow) organized into different core and shell hydrogel layers instead of one uniform matrix. The findings, published May 6 in the journal Cell Reports Physic...

Loading video... VIDEO: This video shows the flexible TEG wristband converts heat emitted by skin into electric power and light up an LED. view more  Credit: Yijie Liu Scientists in China have developed a small, flexible device that can convert heat emitted from human skin to electrical power. In their research, presented April 29 in the journal Cell Reports Physical Science, the team showed that the device could power an LED light in real time when worn on a wristband. The findings suggest that body temperature could someday power wearable electronics such as fitness trackers. The de...

How to spot misinformation online April 01, 2021 Tips and features from Google Ahead of the International Fact-Checking Day on April 2, Google has shared some tips and features to help users better spot misinformation online. Misinformation is one of the major online threats which has been amplified over the last year amid the Covid-19 pandemic. “The Covid-19 pandemic. Elections around the world. Fact-checkers worldwide have had a busy year. More than 50,000 new fact checks surfaced on Google Search over the past year, with all fact checks receiving more than 2.4 billion impressions in ...

Quint Digital bags Google contract to fact-check misinformation about COVID-19 vaccine in India SECTIONS Last Updated: Mar 17, 2021, 01:54 PM IST Share Synopsis "The company has been awarded a contract by Google Asia Pacific Pte. Ltd to support journalistic efforts to fact-check misinformation about the COVID-19 immunization process in India," Quint Digital said in a regulatory filing. Agencies Quint Digital Media is among 11 recipients of the contract across the world. (Representative image) Quint Digital Media on Wednesday said it has been awarded a contract by tech giant Google to help fac...