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240809s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c01974
|2 doi
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|a pubmed24n1507.xml
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|a eng
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|a Thakuri, Ankit
|e verfasserin
|4 aut
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|a Polydiacetylene Liposome-Based Dual-Output Optical Sensor for ppb Level Detection of Dopamine in Solution and Solid Phases
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|c 2024
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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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|a Date Completed 20.08.2024
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|a Date Revised 20.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Dopamine (DA), a neurotransmitter, plays a crucial role in regulating motor functions and emotions and can serve as a marker for several diseases. In this study, we report a highly sensitive polydiacetylenes (PDA)-based dual-output sensor for dopamine detection in both solution and solid phases that was developed by modifying PDA liposomes with boronic acid groups at the termini. This sensor exploits the high affinity between the catechol residue of dopamine and the -B(OH)2 group of the PDA-based probe (PDA-PhBA) to form boronate ester bonds, causing a stress-induced blue-to-red color change along with a steady increase in fluorescence response at λmax 622 nm. The PDA-PhBA-based sensor displays high sensitivity toward dopamine with low limit of detection of 6.2 ppb in colorimetric analysis and 0.6 ppb in fluorimetric measurements, demonstrating its dual optical output ability. The sensor works well for adrenaline, another catecholamine, with similar efficacy. Its practical applicability was validated by the successful recovery of trace level dopamine in blood serum and real water samples. Additionally, immobilizing PDA-PhBA liposomes in sodium alginate produced PDA beads for the solid-phase detection of dopamine with an limit of detection (LOD) of 59 nM (9.0 ppb) in colorimetric detection using a smartphone for capturing images and ImageJ software for analysis
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|a Journal Article
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|a Liposomes
|2 NLM
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|a polydiacetylene
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|a 27987-87-7
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|a Dopamine
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|a VTD58H1Z2X
|2 NLM
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|a Polyacetylene Polymer
|2 NLM
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|a Polymers
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|a Polyynes
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|a 25067-58-7
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|a Solutions
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|a Banerjee, Mainak
|e verfasserin
|4 aut
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|a Chatterjee, Amrita
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 33 vom: 20. Aug., Seite 17613-17621
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:33
|g day:20
|g month:08
|g pages:17613-17621
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|u http://dx.doi.org/10.1021/acs.langmuir.4c01974
|3 Volltext
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