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- 227Chemistry, Department of/Journal Articles (Chemistry)
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- 69Klassen, John S.
- 54Serpe, Michael J.
- 52Kitova, Elena N.
- 18Michaelis, V.K.
- 17Gao, Yongfeng
- 14Loppnow, Glen R.
- 20Electrospray ionization mass spectrometry
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Mechanochemical Synthesis of Methylammonium Lead Mixed–Halide Perovskites: Unraveling the Solid-Solution Behavior Using Solid-State NMR
Download2018-01-01
Karmakar, A., Askar, A.M., Bernard, G.M., Terskikh, V.V., Ha, M., Patel, S., Shankar, K., Michaelis, V.K.
Mixed-halide lead perovskite (MHP) materials are rapidly advancing as next-generation high-efficiency perovskite solar cells due to enhanced stability and bandgap tunability. In this work, we demonstrate the ability to readily and stoichiometrically tune the halide composition in...
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Metabolism of vertebrate amino sugars with N-glycolyl groups: Intracellular β-O-linked N-glycolylglucosamine (GlcNGc), UDP-GlcNGc,and the biochemical and structural rationale for the substrate tolerance of β-O-linked& beta;-N-acetylglucosaminidase
Download2012
Vocadlo, David J. , Chan, Jefferson, Whitworth, Garrett A., Macauley, Matthew S., Stubbs, Keith A., Varki, Ajit, Davies, Gideon J., Yuzwa, Scott, Zandberg, Wesley, Bennet, Andrew J., He, Yuan
The O-GlcNAc modification involves the attachment of single β-O-linked N-acetylglucosamine residues to serine and threonine residues of nucleocytoplasmic proteins. Interestingly, previous biochemical and structural studies have shown that O-GlcNAcase (OGA), the enzyme that removes O-GlcNAc from...
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2017-01-01
Bernard, G.M., Goyal, A., Miskolzie, M., McKay, R., Wu, Q., Wasylishen, R.E., Michaelis, V.K.
A new solid-state nuclear magnetic resonance (NMR) thermometry sample is proposed. The 207Pb NMR chemical shift of a lead halide perovskite, methylammonium lead chloride (MAPbCl3) is very sensitive to temperature, 0.905 ± 0.010 ppm K−1. The response to temperature is linear over a wide...
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Microgel-based etalon coated quartz crystal microbalances for detecting solution pH: The effect of Au overlayer thickness
Download2013-01-01
Islam, Molla R., Johnson, Kai C. C., Serpe, Michael J.
Poly (N-isopropylacrylamide)-co-acrylic acid (pNIPAm-co-AAc) microgels were “painted” on the Au electrode of a quartz crystal microbalance (QCM). Another Au layer (overlayer) was subsequently deposited on the microgel layer. This structure is known as a microgel-based etalon. These devices have...
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Modular Construction of Photoanodes with Covalently Bonded Ru- and Ir-Polypyridyl Visible Light Chromophores
Download2018-07-01
Chao Wang, Mona Amiri, Riley T. Endean, Octavio Martinez Perez, Samuel Varley, Ben Rennie, Loorthuraja Rasu, Steven H. Bergens
1,10-phenanthroline is grafted to indium tin oxide (ITO) and titanium dioxide nanoparticle (TiO2) semiconductors by electroreduction of 5-diazo-1,10-phenanthroline in 0.1 M H2SO4. The lower and upper potential limits (-0.20 and 0.15 VSCE, respectively) were set to avoid reduction and oxidation of...
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Molecular dynamics simulations of viral neuraminidase inhibitors with the human neuraminidase enzymes: Insights into isoenzyme selectivity
Download2018-05-16
Richards, Michele R, Guo, Tianlin, Hunter, Carmanah D, Cairo, Christopher W.
Inhibitors of viral neuraminidase enzymes have been previously developed as therapeutics. Humans can express multiple forms of neuraminidase enzymes (NEU1, NEU2, NEU3, NEU4) that share a similar active site and enzymatic mechanism with their viral counterparts. Using a panel of purified human...
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2017-01-01
Zhang, Qiang, Colazo, Juan, Berg, Darren, Mugo, Samuel M., Serpe, Michael J.
Nanogels with a biomolecular coating (biocoating) were shown to be capable of triggered delivery of anticancer drug Doxorubicin. The biocoating was formed utilizing binding between glycogen and the tetra-functional lectin Concanavalin A, which can be triggered to disassemble (and release) upon...
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Multinuclear Magnetic Resonance Tracking of Hydro, Thermal and Hydrothermal Decomposition of CH3NH3PbI3
Download2017-01-01
Askar, A.,, Bernard, G.M, Wiltshire,, B., Shankar, K., Michaelis, V.K.
An NMR investigation of methylammonium lead iodide, the leading member of the hybrid organic-inorganic perovskite class of materials, and of its putative decomposition products as a result of exposure to heat and humidity, has been undertaken. We show that the 207Pb NMR spectra of the compound of...
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2013-01-01
Nair, Sindhu G., Loppnow, Glen R.
The exposure of DNA to ultraviolet (UV) radiation causes sequence‐dependent damage. Thus, there is a need for an analytical technique that can detect damage in large numbers of DNA sequences simultaneously. In this study, we have designed an assay for UVC‐induced DNA damage in multiple...
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2014-01-01
Wang, Jingxia, Hu, Liang, Song, Yanlin, Serpe, Michael J.
Janus poly (N-isopropylacrylamide)-co-acrylic acid/Au microgels that resemble a “snowman”, “dumbbell”, and an “abalone” were prepared by thermally evaporating a layer of Au on half of the microgel surface, followed by exposure to thiolated single-stranded DNA with complementary sequences. We...