Single and Multiple Stimuli-Responsive Polymer Particles for Controlled Drug Delivery

Polymers that can change their properties in response to an external or internal stimulus have become an interesting platform for drug delivery systems. Polymeric nanoparticles can be used to decrease the toxicity of drugs, improve the circulation of hydrophobic drugs, and increase a drug’s efficacy...

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Main Authors: Aida López Ruiz, Ann Ramirez, Kathleen McEnnis
Format: Article
Language:English
Published: MDPI AG 2022-02-01
Series:Pharmaceutics
Subjects:
Online Access:https://www.mdpi.com/1999-4923/14/2/421
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author Aida López Ruiz
Ann Ramirez
Kathleen McEnnis
author_facet Aida López Ruiz
Ann Ramirez
Kathleen McEnnis
author_sort Aida López Ruiz
collection DOAJ
description Polymers that can change their properties in response to an external or internal stimulus have become an interesting platform for drug delivery systems. Polymeric nanoparticles can be used to decrease the toxicity of drugs, improve the circulation of hydrophobic drugs, and increase a drug’s efficacy. Furthermore, polymers that are sensitive to specific stimuli can be used to achieve controlled release of drugs into specific areas of the body. This review discusses the different stimuli that can be used for controlled drug delivery based on internal and external stimuli. Internal stimuli have been defined as events that evoke changes in different characteristics, inside the body, such as changes in pH, redox potential, and temperature. External stimuli have been defined as the use of an external source such as light and ultrasound to implement such changes. Special attention has been paid to the particular chemical structures that need to be incorporated into polymers to achieve the desired stimuli response. A current trend in this field is the incorporation of several stimuli in a single polymer to achieve higher specificity. Therefore, to access the most recent advances in stimuli-responsive polymers, the focus of this review is to combine several stimuli. The combination of different stimuli is discussed along with the chemical structures that can produce it.
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spelling doaj.art-784b47cfe93749c3ab70ff3e0176e1052023-11-23T21:39:04ZengMDPI AGPharmaceutics1999-49232022-02-0114242110.3390/pharmaceutics14020421Single and Multiple Stimuli-Responsive Polymer Particles for Controlled Drug DeliveryAida López Ruiz0Ann Ramirez1Kathleen McEnnis2Chemical and Materials Engineering Department, New Jersey Institute of Technology, Newark, NJ 07102, USABiomedical Engineering Department, New Jersey Institute of Technology, Newark, NJ 07102, USAChemical and Materials Engineering Department, New Jersey Institute of Technology, Newark, NJ 07102, USAPolymers that can change their properties in response to an external or internal stimulus have become an interesting platform for drug delivery systems. Polymeric nanoparticles can be used to decrease the toxicity of drugs, improve the circulation of hydrophobic drugs, and increase a drug’s efficacy. Furthermore, polymers that are sensitive to specific stimuli can be used to achieve controlled release of drugs into specific areas of the body. This review discusses the different stimuli that can be used for controlled drug delivery based on internal and external stimuli. Internal stimuli have been defined as events that evoke changes in different characteristics, inside the body, such as changes in pH, redox potential, and temperature. External stimuli have been defined as the use of an external source such as light and ultrasound to implement such changes. Special attention has been paid to the particular chemical structures that need to be incorporated into polymers to achieve the desired stimuli response. A current trend in this field is the incorporation of several stimuli in a single polymer to achieve higher specificity. Therefore, to access the most recent advances in stimuli-responsive polymers, the focus of this review is to combine several stimuli. The combination of different stimuli is discussed along with the chemical structures that can produce it.https://www.mdpi.com/1999-4923/14/2/421stimuli-responsivedrug deliverypolymer particles
spellingShingle Aida López Ruiz
Ann Ramirez
Kathleen McEnnis
Single and Multiple Stimuli-Responsive Polymer Particles for Controlled Drug Delivery
Pharmaceutics
stimuli-responsive
drug delivery
polymer particles
title Single and Multiple Stimuli-Responsive Polymer Particles for Controlled Drug Delivery
title_full Single and Multiple Stimuli-Responsive Polymer Particles for Controlled Drug Delivery
title_fullStr Single and Multiple Stimuli-Responsive Polymer Particles for Controlled Drug Delivery
title_full_unstemmed Single and Multiple Stimuli-Responsive Polymer Particles for Controlled Drug Delivery
title_short Single and Multiple Stimuli-Responsive Polymer Particles for Controlled Drug Delivery
title_sort single and multiple stimuli responsive polymer particles for controlled drug delivery
topic stimuli-responsive
drug delivery
polymer particles
url https://www.mdpi.com/1999-4923/14/2/421
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AT annramirez singleandmultiplestimuliresponsivepolymerparticlesforcontrolleddrugdelivery
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