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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 ....

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The Future Of Industrial Graphene Products

The Future Of Industrial Graphene Products
Graphene is a world-renowned 2D material admired for its honeycomb structure in which carbon atoms bind with sp²-hybrid orbitals.
The Sixth Element (Changzhou) Materials Technology Co. Ltd. is a global leader in the large-scale manufacture of graphene and graphene products, possessing the greatest capacity for graphene oxide in the world. The Sixth Element persistently strives to find new application areas of graphene and graphene products.
With its novel, water-based proprietary production process, The Sixth Element has the capacity to manufacture various graphene products across one production line.
Starting with graphite, the material is oxidized using a modified Hummers method to produce graphene oxide, thereby facilitating the separation into sheets of just a few atoms or even a single atom thick. The chemical structure includes epoxy-, carboxylic and hydroxy groups. ....

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

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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..
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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 Chen , Wei Lu , National Natural Science Foundation Of China , Fund Of The Guangdong Provincial Key , Ningbo Institute Of Materials Technology , German Mobility Program , Chinese Academy Of Sciences , Laboratory Of Luminescence , Key Research Program Of Frontier Sciences , China University Of Technology , Cell Reports Physical Science , Ningbo Institute , Materials Technology , Chinese Academy , National Natural Science Foundation , Sino German Mobility Program , Key Research Program , Frontier Sciences , Youth Innovation Promotion Association , Open Fund , Guangdong Provincial Key , Molecular Aggregates , South China University , Reports Physical Science , Cell Press , தாவோ சென் ,

New chameleon skin-inspired material changes color, can detect seafood freshness

Chameleon skin-inspired material changes color, can detect seafood freshness
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Researchers designed a chameleon skin-inspired material that changes colors in response to biogenic volatile anime vapors, an indicator of fish and shrimp spoilage. Photo by Lu et al./Cell Reports Physical Science
May 6 (UPI) Scientists have created a new type of synthetic skin that uses luminogens and a bilayer structure to artfully alter its color in response to the environment.
The new chameleon-like skin, described Thursday in the journal Cell Reports Physical Science, is designed to detect seafood freshness, but the technology could be used for a range of applications. ....

Tao Chen , Chinese Academy Of Science , Ningbo Institute Of Materials Technology , Cell Reports Physical Science , Ningbo Institute , Materials Technology , Chinese Academy , தாவோ சென் , சீன கலைக்கழகம் ஆஃப் அறிவியல் , செல் அறிக்கைகள் உடல் அறிவியல் , பொருட்கள் தொழில்நுட்பம் , சீன கலைக்கழகம் ,

Outlook on the Medical Device Testing Global Market to 2027 - Rising Integration of Mobile and Medical Devices Presents Opportunities

/PRNewswire/ The "Medical Device Testing Market by Service Type (Testing and Certification) Location, Technology (Active Implant, Active Medical, In-Vitro. ....

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