Evidence map›Paper›PMID 33143151›Full record

ArticleInternational journal of molecular sciences2020

Soft Template Electropolymerization of Polypyrrole for Improved pH-Induced Drug Delivery.

Iryna Liubchak, Matthew T Lawrence, F Benjamin Holness, Aaron D Price

Open access · goldAbstract read
In one paragraph

Article in International journal of molecular sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
0.5field-weighted citation impact, top 42% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed, 7 citations in OpenAlex.

  1. Electroactive Polymers for On-Demand Drug Release.Advanced healthcare materials · 2024
    Review
  2. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Iryna LiubchakOrganic Mechatronics & Smart Materials Laboratory, Department of Mechanical and Materials Engineering, Western University, London, ON N6A 5B9, Canada.
Matthew T LawrenceOrganic Mechatronics & Smart Materials Laboratory, Department of Mechanical and Materials Engineering, Western University, London, ON N6A 5B9, Canada.
F Benjamin HolnessOrganic Mechatronics & Smart Materials Laboratory, Department of Mechanical and Materials Engineering, Western University, London, ON N6A 5B9, Canada.
Aaron D PriceOrganic Mechatronics & Smart Materials Laboratory, Department of Mechanical and Materials Engineering, Western University, London, ON N6A 5B9, Canada.ORCID 0000-0002-1799-0755
Western University · CA

Funding

Mitacs Globalink 2019Natural Sciences and Engineering Research Council of Canada RGPIN-2015-05014
6 · The paper itself

Abstract

Chronic wounds are characterized by a localized pH change from acidic (healthy) to alkaline (unhealthy), which can be harnessed to act as a switch for drug release from a polymer medium covering the wound for improved healing. To realize this, a new polymer dressing material is needed to help heal chronic wounds. Polypyrrole (PPy) is a biocompatible electroactive polymer that has been proven as a successful drug delivery mechanism, but currently lacks the capacity for scalable clinical applications due to its poor processability. In this study, PPy films with and without microstructures were produced using electrochemical oxidation and subsequently doped with fluorescein, a model drug molecule. To increase the drug loading capacity, microstructures were created through soft template polymerization of pyrrole around hydrogen gas bubbles. Fluorescein release was measured using UV spectroscopy over a pH range of 2 to 11, showing increased release at higher pH values. Microstructured films showed an increased doping capacity compared to flat PPy films, attributed to the increase in drug incorporation sites. The pH-activated release mechanism was shown to be successful and can be applied as a pH-sensitive biosensor and drug delivery system in vitro.

Indexed as

Drug Delivery SystemsDrug LiberationElectric ConductivityFluoresceinHydrogen-Ion ConcentrationPolymersPyrrolesSurface PropertiesFluoresceinPolymerspolypyrrolePyrrolesconjugated polymersdrug deliveryelectroactive polymerselectropolymerizationinflammationpolypyrrolewound healing

Identifiers

PMID33143151
PMCPMC7662956
OpenAlexW3095312696

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.