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Two-Luminogen Hydrogel Chemosensor Detects Seafood Freshness by Changing Color

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. Image Credit: Lu et al./Cell Reports Physical Science. The results, recently published in the

Tao chenWei luNational natural science foundation of chinaFund of the guangdong provincial keyNingbo institute of materials technologyGerman mobility programChinese academy of sciencesLaboratory of luminescenceKey research program of frontier sciencesChina university of technologyCell reports physicalCell reports physical scienceStudy authorNingbo instituteMaterials technologyChinese academy

Artificial color-changing material that mimics chameleon skin can detect seafood freshness

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 Physical Science, demonstrate that a two-luminogen hydrogel chemosensor developed with this design can detect seafood freshness by changing color in response to amine vapors released by microbes as fish spoils. The material may also be used to advance the development of stretchable electronics, dynamic camouflaging robots, and anticounterfeiting technologies.

Tao chenWei luNational natural science foundation of chinaFund of the guangdong provincial keyNingbo institute of materials technologyGerman mobility programChinese academy of sciencesLaboratory of luminescenceKey research program of frontier sciencesChina university of technologyCell reports physical scienceNingbo instituteMaterials technologyChinese academyNational natural science foundationSino german mobility program

Observations indicate strengthening of tropical Pacific western boundary currents for six decades

E-Mail IMAGE: Geostrophic currents retrieved from multi-decadal hydrological observational data based on WOA18 ((a), (b), (d), (e), cm s?1) and the mean horizontal absolute velocity |u| in the upper 200 m simulated. view more Credit: ©Science China Press Under the background of global warming, the energy budget of the earth is out of balance with more than 90% of additional heat entering the ocean. The tropical Pacific Ocean has an important influence on the global tropical climate and the climate of China, and the tropical Pacific Western Boundary Currents (WBCs) that flow through it plays an important role in the climate system. Large-scale ocean circulation redistributes ocean heat and mass and is hence one of the basic dynamic processes that shape the earth s Marine environment. The tropical Pacific WBCs system is a key part of the global ocean circulation system. Accurate assessment of the variation of the tropical Pacific WBCs is of much significance for bett

Shi jianOcean atlasPacific wbcsPacific oceanScience china earth sciencesNational natural science foundation of chinaInstitute of oceanologyChinese academy of sciencesYouth innovation promotion associationPacific western boundary currentsScience china earthChinese academyNorth equatorial currentNorth equatorial countercurrentMindanao currentNew guinea coastal undercurrent

New Findings on NaVPO4F Helps Designing High-performance Sodium Ion Batteries

New Findings on NaVPO4F Helps Designing High-performance Sodium Ion Batteries
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Energy materials onStrategic priority research programCooperation fundNational natural science foundation of chinaDalian institute of chemical physicsYouth innovation promotion associationChinese academy of sciencesDalian instituteChemical physicsChinese academyAdvanced energy materialsNational natural science foundationமூலோபாய ப்ரையாரிடீ ஆராய்ச்சி ப்ரோக்ர்யாம்ஒத்துழைப்பு நிதிதேசிய இயற்கை அறிவியல் அடித்தளம் ஆஃப் சீனாடேலியன் நிறுவனம் ஆஃப் இரசாயன இயற்பியல்

Tunneling Effects May Help Improving Performance of Organic Solar Cells

Tunneling Effects May Help Improving Performance of Organic Solar Cells
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Dalian university of technologyNational natural science foundation of chinaBioprocess technologyShandong provincial natural science foundationQingdao institute of bioenergyChinese academy of sciencesYouth innovation promotion associationQingdao instituteChinese academyDalian universityCell reports physical scienceNational natural science foundationShandong provincial natural scienceடேலியன் பல்கலைக்கழகம் ஆஃப் தொழில்நுட்பம்தேசிய இயற்கை அறிவியல் அடித்தளம் ஆஃப் சீனாசாண்டோங் மாகாண இயற்கை அறிவியல் அடித்தளம்