Conductive Composite Microneedle Sensors Based on Cellulose Acetate Phthalate: Investigating Performance and Biodegradability

Amy Devine; Ellen Hegarty; Catherine Hegarty; James Davis

doi:10.1109/lsens.2023.3245024

Conductive Composite Microneedle Sensors Based on Cellulose Acetate Phthalate: Investigating Performance and Biodegradability

Amy Devine
, Ellen Hegarty
, Catherine Hegarty
, James Davis

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

150 Downloads (Pure)

Abstract

Conductive microneedle patches based on carbon nanoparticle composites in which cellulose acetate phthalate
(CAP) or polystyrene (PS) acted as a binder were investigated. The electrochemical properties of the composite system
were assessed using ferrocyanide as a redox probe and compared with screen printed carbon electrodes. Preliminary
investigations of biodegradability were conducted with the influence of soil interment assessed by electron microscopy.
While the PS microneedles exhibited no breakdown, the CAP systems were found to be substantially degraded after one
week with complete removal of the needle tips and, hence, piercing capability

Original language	English
Article number	2000404
Pages (from-to)	1-4
Number of pages	4
Journal	IEEE Sensors Letters
Volume	7
Issue number	3
Early online date	15 Feb 2023
DOIs	https://doi.org/10.1109/lsens.2023.3245024
Publication status	Published online - 15 Feb 2023

Bibliographical note

Funding Information:
This work was supported by the Department for the Economy Northern Ireland.

Publisher Copyright:
© 2017 IEEE.

Funding

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 3 Good Health and Well-being
SDG 9 Industry, Innovation, and Infrastructure

Keywords

Electrical and Electronic Engineering
Instrumentation
microneedle
electrode
biodegradable
composite
sensor
Sensor materials

Access to Document

10.1109/lsens.2023.3245024

230127 Devine Sensors Letters RevisedAuthor Accepted Manuscript, 587 KBLicence: Unspecified

Cite this

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title = "Conductive Composite Microneedle Sensors Based on Cellulose Acetate Phthalate: Investigating Performance and Biodegradability",

abstract = "Conductive microneedle patches based on carbon nanoparticle composites in which cellulose acetate phthalate (CAP) or polystyrene (PS) acted as a binder were investigated. The electrochemical properties of the composite system were assessed using ferrocyanide as a redox probe and compared with screen printed carbon electrodes. Preliminary investigations of biodegradability were conducted with the influence of soil interment assessed by electron microscopy. While the PS microneedles exhibited no breakdown, the CAP systems were found to be substantially degraded after one week with complete removal of the needle tips and, hence, piercing capability",

keywords = "Electrical and Electronic Engineering, Instrumentation, microneedle, electrode, biodegradable, composite, sensor, Sensor materials",

author = "Amy Devine and Ellen Hegarty and Catherine Hegarty and James Davis",

note = "Funding Information: This work was supported by the Department for the Economy Northern Ireland. Publisher Copyright: {\textcopyright} 2017 IEEE.",

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day = "15",

doi = "10.1109/lsens.2023.3245024",

language = "English",

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AU - Devine, Amy

AU - Hegarty, Ellen

AU - Hegarty, Catherine

AU - Davis, James

PY - 2023/2/15

Y1 - 2023/2/15

N2 - Conductive microneedle patches based on carbon nanoparticle composites in which cellulose acetate phthalate (CAP) or polystyrene (PS) acted as a binder were investigated. The electrochemical properties of the composite system were assessed using ferrocyanide as a redox probe and compared with screen printed carbon electrodes. Preliminary investigations of biodegradability were conducted with the influence of soil interment assessed by electron microscopy. While the PS microneedles exhibited no breakdown, the CAP systems were found to be substantially degraded after one week with complete removal of the needle tips and, hence, piercing capability

AB - Conductive microneedle patches based on carbon nanoparticle composites in which cellulose acetate phthalate (CAP) or polystyrene (PS) acted as a binder were investigated. The electrochemical properties of the composite system were assessed using ferrocyanide as a redox probe and compared with screen printed carbon electrodes. Preliminary investigations of biodegradability were conducted with the influence of soil interment assessed by electron microscopy. While the PS microneedles exhibited no breakdown, the CAP systems were found to be substantially degraded after one week with complete removal of the needle tips and, hence, piercing capability

KW - Electrical and Electronic Engineering

KW - Instrumentation

KW - microneedle

KW - electrode

KW - biodegradable

KW - composite

KW - sensor

KW - Sensor materials

UR - https://www.scopus.com/pages/publications/85149397315

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DO - 10.1109/lsens.2023.3245024

M3 - Article

SN - 2475-1472

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SP - 1

EP - 4

JO - IEEE Sensors Letters

JF - IEEE Sensors Letters

IS - 3

M1 - 2000404

ER -

Conductive Composite Microneedle Sensors Based on Cellulose Acetate Phthalate: Investigating Performance and Biodegradability

Abstract

Bibliographical note

Funding

UN SDGs

Keywords

Access to Document

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Conductive microneedle patches: developing new approaches to controlled drug delivery

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Conductive Composite Microneedle Sensors Based on Cellulose Acetate Phthalate: Investigating Performance and Biodegradability

Abstract

Bibliographical note

Funding

UN SDGs

Keywords

Access to Document

Other files and links

Fingerprint

Student theses

Conductive microneedle patches: developing new approaches to controlled drug delivery

Cite this