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Facile Fabrication of Oxygen-Releasing Tannylated Calcium Peroxide Nanoparticles.

ABSTRACT: This study reports a new approach for the facile fabrication of calcium peroxide (CaO2) nanoparticles using tannic acid (TA) as the coordinate bridge between calcium ions. Tannylated-CaO2 (TA/CaO2) nanoparticles were prepared by reacting calcium chloride (CaCl2) with hydrogen peroxide (H2O2) in ethanol containing ammonia and different amounts of TA (10, 25, and 50 mg). The prepared TA/CaO2 aggregates consisted of nanoparticles 25-31 nm in size. The nanoparticles prepared using 10 mg of TA in the precursor solution exhibited the highest efficiency for oxygen generation. Moreover, the oxygen generation from TA (10 mg)/CaO2 nanoparticles was higher in an acidic environment.

SUBMITTER: Park JS 

PROVIDER: S-EPMC7504056 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Facile Fabrication of Oxygen-Releasing Tannylated Calcium Peroxide Nanoparticles.

Park Ji Sun JS   Song Yeong Jun YJ   Lim Yong Geun YG   Park Kyeongsoon K  

Materials (Basel, Switzerland) 20200901 17

This study reports a new approach for the facile fabrication of calcium peroxide (CaO<sub>2</sub>) nanoparticles using tannic acid (TA) as the coordinate bridge between calcium ions. Tannylated-CaO<sub>2</sub> (TA/CaO<sub>2</sub>) nanoparticles were prepared by reacting calcium chloride (CaCl<sub>2</sub>) with hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) in ethanol containing ammonia and different amounts of TA (10, 25, and 50 mg). The prepared TA/CaO<sub>2</sub> aggregates consisted of nanopa  ...[more]

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