Synthesis and Characterization of Polyaniline-Chitosan Patches with Enhanced Stability in Physiological Conditions

Electroconductive polymeric patches are being developed in the hope to interface with the electroresponsive tissues. For these constructs, conjugated polymers are considered as conductive components for their electroactive nature. Conversely, the clinical applications of these conductive polymeric p...

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Main Authors: Sami Ur Rahman, Salma Bilal, Anwar ul Haq Ali Shah
Format: Article
Language:English
Published: MDPI AG 2020-11-01
Series:Polymers
Subjects:
Online Access:https://www.mdpi.com/2073-4360/12/12/2870
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author Sami Ur Rahman
Salma Bilal
Anwar ul Haq Ali Shah
author_facet Sami Ur Rahman
Salma Bilal
Anwar ul Haq Ali Shah
author_sort Sami Ur Rahman
collection DOAJ
description Electroconductive polymeric patches are being developed in the hope to interface with the electroresponsive tissues. For these constructs, conjugated polymers are considered as conductive components for their electroactive nature. Conversely, the clinical applications of these conductive polymeric patches are limited due to their short operational time, a decrease in their electroactivity occurs with the passage of time. This paper reports on the polymerization of aniline on prefabricated chitosan films on microscopic glass slides in the presence of sodium phytate. The strong chelation among sodium phytate, aniline and chitosan led to the formation of electoconductive polymeric patch. We assume that immobilization of sodium phytate in the polymeric patch helps to prevent electric deterioration, extend its electronic stability and reduce sheet resistance. The patch oxidized after three weeks (21 days) of incubation in phosphate buffer (pH 7.4 as physiological medium). This feasible fabrication technique set the foundation to design electronically stable, conjugated polymer-based patches, by providing a robust system of conduction that could be used with electroactive tissues such as cardiac muscles at the interface.
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spelling doaj.art-af86205b53954dbaac1616757be2be862023-11-20T22:59:20ZengMDPI AGPolymers2073-43602020-11-011212287010.3390/polym12122870Synthesis and Characterization of Polyaniline-Chitosan Patches with Enhanced Stability in Physiological ConditionsSami Ur Rahman0Salma Bilal1Anwar ul Haq Ali Shah2National Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar 25120, PakistanNational Centre of Excellence in Physical Chemistry, University of Peshawar, Peshawar 25120, PakistanInstitute of Chemical Science, University of Peshawar, Peshawar 25120, PakistanElectroconductive polymeric patches are being developed in the hope to interface with the electroresponsive tissues. For these constructs, conjugated polymers are considered as conductive components for their electroactive nature. Conversely, the clinical applications of these conductive polymeric patches are limited due to their short operational time, a decrease in their electroactivity occurs with the passage of time. This paper reports on the polymerization of aniline on prefabricated chitosan films on microscopic glass slides in the presence of sodium phytate. The strong chelation among sodium phytate, aniline and chitosan led to the formation of electoconductive polymeric patch. We assume that immobilization of sodium phytate in the polymeric patch helps to prevent electric deterioration, extend its electronic stability and reduce sheet resistance. The patch oxidized after three weeks (21 days) of incubation in phosphate buffer (pH 7.4 as physiological medium). This feasible fabrication technique set the foundation to design electronically stable, conjugated polymer-based patches, by providing a robust system of conduction that could be used with electroactive tissues such as cardiac muscles at the interface.https://www.mdpi.com/2073-4360/12/12/2870conductive polymeric patchelectroresponsive tissuessodium phytateanilinechitosanphysiological medium
spellingShingle Sami Ur Rahman
Salma Bilal
Anwar ul Haq Ali Shah
Synthesis and Characterization of Polyaniline-Chitosan Patches with Enhanced Stability in Physiological Conditions
Polymers
conductive polymeric patch
electroresponsive tissues
sodium phytate
aniline
chitosan
physiological medium
title Synthesis and Characterization of Polyaniline-Chitosan Patches with Enhanced Stability in Physiological Conditions
title_full Synthesis and Characterization of Polyaniline-Chitosan Patches with Enhanced Stability in Physiological Conditions
title_fullStr Synthesis and Characterization of Polyaniline-Chitosan Patches with Enhanced Stability in Physiological Conditions
title_full_unstemmed Synthesis and Characterization of Polyaniline-Chitosan Patches with Enhanced Stability in Physiological Conditions
title_short Synthesis and Characterization of Polyaniline-Chitosan Patches with Enhanced Stability in Physiological Conditions
title_sort synthesis and characterization of polyaniline chitosan patches with enhanced stability in physiological conditions
topic conductive polymeric patch
electroresponsive tissues
sodium phytate
aniline
chitosan
physiological medium
url https://www.mdpi.com/2073-4360/12/12/2870
work_keys_str_mv AT samiurrahman synthesisandcharacterizationofpolyanilinechitosanpatcheswithenhancedstabilityinphysiologicalconditions
AT salmabilal synthesisandcharacterizationofpolyanilinechitosanpatcheswithenhancedstabilityinphysiologicalconditions
AT anwarulhaqalishah synthesisandcharacterizationofpolyanilinechitosanpatcheswithenhancedstabilityinphysiologicalconditions