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Comparison of the Responsivity of Solution-Suspended and Surface-Bound Poly (N-isopropylacrylamide)-Based Microgels for Sensing Applications
Download2017-01-01
Li, Wenxiang, Hu, Liang, Zhu, Jinghua, Li, Dan, Luan, Yafei, Xu, Wenwen, Serpe, Michael J.
In this submission, the phase transition behavior for poly(N-isopropylacrylamide-co-acrylic acid) (pNIPAm-co-AAc) microgels and their assemblies was investigated as a function of temperature and pH using UV–vis spectroscopy (to probe light scattering behavior) and quartz crystal microbalance with...
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Electrically Triggered Small Molecule Release from Poly (N-Isopropylacrylamide-co-Acrylic Acid) Microgel-Modified Electrodes
Download2018-01-01
Xu, Wenwen, Zhang, Y., Gao, Yongfeng, Serpe, Michael J.
A monolithic layer of poly(N-isopropylacrylamide-co-acrylic acid) microgels was deposited on an Au electrode and used for electrically triggered release of the small molecule crystal violet (CV), which was used as a model drug. CV was loaded into the surface-bound microgels by exposing them to a...
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2017-01-01
Xu, Wenwen, Wei, Menglian, Serpe, Michael J.
A facile self‐assembly method is presented to prepare poly(N‐isopropylacrylamide)‐based microgels modified anisotropically with gold nanoparticles (Au NPs) to yield Janus microgels. Transmission electron microscopy is used to confirm that microgels are selectively coated on one or both sides with...
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2017-01-01
Gao, Yongfeng, Wei, Menglian, Li, Xue, Xu, Wenwen, Ahiabu, Andrews, Perdiz, Juliana, Liu, Zining, Serpe, Michael J.
Stimuli-responsive polymers are capable of changing their chemical and/or physical properties in response to environmental stimuli. This unique feature has allowed stimuli-responsive polymers to be used in a variety of applications. In this review, we present a basic introduction to the theories...
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2017-01-01
Xu, Wenwen, Song, Qiao, Xu, Jiang-Fei, Serpe, Michael J., Zhang, Xi
Daily repeated wound dressing changes will lead to additional trauma to newly formed tissue and prolonging the healing process. In this letter, we designed and fabricated an easily removable wound dressing material. To accomplish this, we first generated cross-linkable supramonomers through...