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Hydrogen peroxide encapsulated in si...

Dogan, Ezgi Melis.

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Hydrogen peroxide encapsulated in silica hydrogels: Synthesis, characterization and antimicrobial activity.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Hydrogen peroxide encapsulated in silica hydrogels: Synthesis, characterization and antimicrobial activity./
Author:	Dogan, Ezgi Melis.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
Description:	91 p.
Notes:	Source: Masters Abstracts International, Volume: 56-04.
Contained By:	Masters Abstracts International56-04(E).
Subject:	Engineering. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10614282
ISBN:	9781369936834

Hydrogen peroxide encapsulated in silica hydrogels: Synthesis, characterization and antimicrobial activity.
Dogan, Ezgi Melis.

Hydrogen peroxide encapsulated in silica hydrogels: Synthesis, characterization and antimicrobial activity. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 91 p.

Source: Masters Abstracts International, Volume: 56-04.

Thesis (M.S.)--University of Massachusetts Lowell, 2017.

Hydrogen peroxide (H2O2) is an environmentally friendly oxidant well known as an antimicrobial agent for a variety of medical applications including sanitization. However, it is highly unstable at room temperature. Moreover, medical applications require the delivery of H 2O2 in a controlled dose. Encapsulation in silica hydrogels has the potential to enhance the stability of H2O2 and to enable customized release rate. The aim of this work was to study the effect of potassium ion (K+) on the structures/morphology of silica hydrogels, gelation time and release rate of hydrogen peroxide. Potassium ion was introduced into hydrogels using either KCL salt solution or potassium silicate as a starting precursor. The presence of K+ ion resulted in less compact gel structure and larger pore diameter. At low pH values, 90% retention of H2O2 was observed at the end of 7 days. Peroxide release profiles and antimicrobial activity were also studied.

ISBN: 9781369936834Subjects--Topical Terms:

586835
Engineering.

Hydrogen peroxide encapsulated in silica hydrogels: Synthesis, characterization and antimicrobial activity.
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520 $a Hydrogen peroxide (H2O2) is an environmentally friendly oxidant well known as an antimicrobial agent for a variety of medical applications including sanitization. However, it is highly unstable at room temperature. Moreover, medical applications require the delivery of H 2O2 in a controlled dose. Encapsulation in silica hydrogels has the potential to enhance the stability of H2O2 and to enable customized release rate. The aim of this work was to study the effect of potassium ion (K+) on the structures/morphology of silica hydrogels, gelation time and release rate of hydrogen peroxide. Potassium ion was introduced into hydrogels using either KCL salt solution or potassium silicate as a starting precursor. The presence of K+ ion resulted in less compact gel structure and larger pore diameter. At low pH values, 90% retention of H2O2 was observed at the end of 7 days. Peroxide release profiles and antimicrobial activity were also studied.
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