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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202005683
|2 doi
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|a pubmed24n1481.xml
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|a (DE-627)NLM318082047
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|a DE-627
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|a eng
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|a Lew, Tedrick Thomas Salim
|e verfasserin
|4 aut
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|a Plant Nanobionic Sensors for Arsenic Detection
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 24.07.2024
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|a Date Revised 24.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 Wiley-VCH GmbH.
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|a Arsenic is a highly toxic heavy-metal pollutant which poses a significant health risk to humans and other ecosystems. In this work, the natural ability of wild-type plants to pre-concentrate and extract arsenic from the belowground environment is exploited to engineer plant nanobionic sensors for real-time arsenic detection. Near-infrared fluorescent nanosensors are specifically designed for sensitive and selective detection of arsenite. These optical nanosensors are embedded in plant tissues to non-destructively access and monitor the internal dynamics of arsenic taken up by the plants via the roots. The integration of optical nanosensors with living plants enables the conversion of plants into self-powered autosamplers of arsenic from their environment. Arsenite detection is demonstrated with three different plant species as nanobionic sensors. Based on an experimentally validated kinetic model, the nanobionic sensor could detect 0.6 and 0.2 ppb levels of arsenic after 7 and 14 days respectively by exploiting the natural ability of Pteris cretica ferns to hyperaccumulate and tolerate exceptionally high level of arsenic. The sensor readout could also be interfaced with portable electronics at a standoff distance, potentially enabling applications in environmental monitoring and agronomic research
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|a Journal Article
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|a arsenic
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|a carbon nanotubes
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|a molecular recognition
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|a nanoparticles
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|a optical sensors
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| 650 |
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|a plant nanobionics
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| 650 |
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|a Arsenic
|2 NLM
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| 650 |
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|a N712M78A8G
|2 NLM
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| 650 |
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|a arsenite
|2 NLM
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| 650 |
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|a N5509X556J
|2 NLM
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| 650 |
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7 |
|a Arsenites
|2 NLM
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| 700 |
1 |
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|a Park, Minkyung
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cui, Jianqiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Strano, Michael S
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 33(2021), 1 vom: 21. Jan., Seite e2005683
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:33
|g year:2021
|g number:1
|g day:21
|g month:01
|g pages:e2005683
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|u http://dx.doi.org/10.1002/adma.202005683
|3 Volltext
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