Electric field;
drug carrier;
ion pair assembly;
oxidation;
temperature;
DRUG CARRIERS;
BLOCK-COPOLYMER;
NANOPARTICLES;
RELEASE;
EQUATION;
CARBOXYL;
PHASES;
D O I:
10.1080/00914037.2022.2029439
中图分类号:
TB3 [工程材料学];
R318.08 [生物材料学];
学科分类号:
0805 ;
080501 ;
080502 ;
摘要:
Ion pair self-assembly (IPSAM) composed of poly(ethylenimine) (PEI) and (phenylthio)acetic acid (PTA) was prepared to investigate the electric field-responsive release property. PEI/PTA ion pairs were found to have an upper critical solution temperature and were air/water interface-active. IPSAM could release its payload (i.e., nile red) in proportion to the voltage. It was more sensitive to the electric field as PEI/PTA ratio was higher, and more sensitive to temperature change as the voltage was stronger. The electric field-induced protonation and oxidation were thought to be major reasons why IPSAM was responsive to the electric field in terms of release.
机构:
Univ Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USAUniv Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA
Lu, Weiyi
Han, Aijie
论文数: 0引用数: 0
h-index: 0
机构:
Univ Texas Pan Amer, Dept Chem, Edinburg, TX 78539 USAUniv Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA
Han, Aijie
Kim, Taewan
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h-index: 0
机构:
Univ Calif San Diego, Program Mat Sci & Engn, La Jolla, CA 92093 USAUniv Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA
Kim, Taewan
Punyamurtula, Venkata K.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Texas Pan Amer, Dept Chem, Edinburg, TX 78539 USAUniv Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA
Punyamurtula, Venkata K.
Chen, Xi
论文数: 0引用数: 0
h-index: 0
机构:
Columbia Univ, Dept Civil Engn & Engn Mech, New York, NY 10027 USAUniv Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA
Chen, Xi
Qiao, Yu
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA
Univ Calif San Diego, Program Mat Sci & Engn, La Jolla, CA 92093 USAUniv Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA