Search
Skip to Search Results- 13Etalons
- 10Photonic Materials
- 10Stimuli-Responsive Polymers
- 8Stimuli Responsive Polymers
- 5Phase-Transition
- 5Responsive Polymers
- 54Chemistry, Department of
- 54Chemistry, Department of/Journal Articles (Chemistry)
- 1Toolkit for Grant Success
- 1Toolkit for Grant Success/Successful Grants (Toolkit for Grant Success)
- 1Graduate and Postdoctoral Studies (GPS), Faculty of
- 1Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
-
2019-12-10
Serpe, Michael J., Schirrmacher, Ralf
NFRF Exploration awarded in 2020: Positron Emission Tomography (PET) is among the most sophisticated in vivo imaging modalities using radioactive isotopes that decay by positron emission. PET is non-invasive, painless, and hence patient friendly; provides full-depth images of the human body...
-
Poly (N-isopropylacrylamide) microgel-based etalons for the label-free quantitation of estradiol-17β in aqueous solutions and milk samples
Download2018-01-01
Jiang, Yaxin, Colazo, Marcos G., Serpe, Michael J.
A novel estradiol-17β (E2) biosensor was constructed from poly(N-isopropylacrylamide) (pNIPAm) microgel-based etalons by modification of their outermost Au layer with an E2 binding 75-mer DNA aptamer. When E2 is not present in the solution, the aptamer forms a loose/linear structure that allows...
-
Enzyme-assisted polymer film degradation-enabled biomolecule sensing with poly (N-isopropylacrylamide)-based optical devices
Download2018-01-01
Zhang, Wei, Wei, Menglian, Carvalho, Wildemar S. P., Serpe, Michael J.
A biosensor for mouse Immunoglobulin G (IgG) was generated from responsive polymer-based interference filters (etalons). To accomplish this, an excess amount of alkaline phosphatase-modified goat anti-mouse IgG (AP-GAM, F(ab’)2 fragment specific to mouse IgG) was added to mouse IgG, and allowed...
-
In Situ Synthesis of CuS Nanoparticle Doped Poly (N-isopropylacrylamide)-Based Microgels for Near-Infrared Triggered Photothermal Therapy
Download2018-01-01
Shu, Tong, Shen, Qiming, Su, Lei, Zhang, Xi, Serpe, Michael J.
Poly(N-isopropylacrylamide)-co-(acrylic acid) (pNIPAm-co-AAc) microgels incorporated with CuS nanoparticles (CuSNPs) were synthesized and employed for near-infrared (NIR) triggered photothermal killing of cancer cells. Cu2+ was enriched in the microgels through deprotonation of the pNIPAm-co-AAc...
-
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...
-
Isolation of RNA from a mixture and its detection by utilizing a microgel-based optical device
Download2018-01-01
Islam, Molla R., Azimi, Shakiba, Teimoory, Faranak, Loppnow, Glen R., Serpe, Michael J.
In this investigation, we show that RNA can be separated from a solution containing DNA and RNA and the isolated RNA can be detected using poly (N-isopropylacrylamide-co-N-(3-aminopropyl) methacrylamide hydrochloride) microgel-based optical devices (etalons). The isolation of RNA was accomplished...
-
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...
-
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...
-
2017-01-01
Li, Xue, Cai, Xiangbin, Gao, Yongfeng, Serpe, Michael J.
Temperature and pH responsive semi-interpenetrating network (semi-IPN) hydrogel-based bilayer actuators were fabricated by generating a poly(N-isopropylacrylamide) (pNIPAm)-based hydrogel in the presence of positively charged polyelectrolyte poly(diallyldimethylammonium chloride) (pDADMAC) on a...
-
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...