CHEM Faculty Scholarship
Recent Submissions
-
A$_2$P$_2$S$_6$ (A = Ba and Pb): a good platform to study the polymorph effect and lone pair effect to form an acentric structure
(The Royal Society of Chemistry, 2022-05-14)Three ternary thiophosphates α-Ba$_2$P$_2$S$_6$, β-Ba$_2$P$_2$S$_6$, and Pb$_2$P$_2$_S$_6$ were synthesized via a high temperature salt flux method or an I2 transport reaction. β-Ba$_2$P$_2$S$_6$ and Pb$_2$P$_2$S$_6$ were ... -
Structure of the anthrax protective antigen D425A dominant negative mutant reveals a stalled intermediate state of pore maturation
(Elsevier, 2022-05-15)The tripartite protein complex produced by anthrax bacteria (Bacillus anthracis) is a member of the AB family of β-barrel pore-forming toxins. The protective antigen (PA) component forms an oligomeric prepore that assembles ... -
Evolution of structure and transport properties of the Ba$_8$Cu$_{16}$P$_{30}$ clathrate-I framework with the introduction of Ga
(American Institute of Physics Inc., 2022-05-09)Two type-I clathrates were synthesized by introducing Ga into the framework of the Ba$_8$Cu$_{16}$P$_{30}$ type-I clathrate. The introduction of minute amounts of Ga, 1.9% Ga/Mtotal (where $M_{total}$ = Cu + Ga), resulted ... -
Assessing the Dipole Moments and Directional Cross Sections of Proteins and Complexes by Differential Ion Mobility Spectrometry
(American Chemical Society, 2022-05-02)Ion mobility spectrometry (IMS) has become a mainstream approach to fractionate complex mixtures, separate isomers, and assign the molecular geometries. All modalities were grouped into linear IMS (based on the absolute ... -
Evolution of electronic and magnetic properties in the topological semimetal SmSbxTe2-x
(American Physical Society, 2022-04-21)The ZrSiS-Type materials have attracted intensive attention due to the existence of various topological fermions. The magnetic version of the ZrSiS-Type materials, LnSbTe (Ln=lanthanides), is an ideal candidate to explore ... -
Synthesis, crystal and electronic structures, and nonlinear optical properties of Y$_4$Si$_3$S$_{12}$
(Wiley, 2022-03-21)A new acentric sulfide Y$_4$Si$_3$S$_{12}$ was grown by a high temperature vapor transport reaction. The crystal structure of Y$_4$Si$_3$S$_{12}$ was determined by single crystal X-ray diffraction. Y$_4$Si$_3$S$_{12}$ is ... -
SrZnSnSe$_4$: A quaternary selenide with large second harmonic generation and birefringence
(Elsevier, 2022-02-08)Infrared nonlinear optical (NLO) materials with great laser conversion efficient play a key role in military and civil fields. SrZnSnSe$_4$ was synthesized via replacing S elements with Se in SrZnSnS$_4$ compound. SrZnSnSe$_4$ ... -
Ba6(CuxZy)Sn4S16(Z = Mg, Mn, Zn, Cd, In, Bi, Sn): High chemical flexibility resulting in good nonlinear-optical properties
(American Chemical Society, 2022-02-07)Seven acentric sulfides Ba6(CuxZy)Sn4S16 (Z = Mg, Mn, Zn, Cd, In, Bi, Sn) were grown by a high-temperature salt flux method. The crystal structures of the Ba6(CuxZy)Sn4S16 (Z = Mg, Mn, Zn, Cd, In, Bi, Sn) compounds were ... -
Binding sites of a positron emission tomography imaging agent in Alzheimer’s β amyloid fibrils studied using 19f solid-state NMR
(ACS Publications, 2022-01-11)Amyloid imaging by positron emission tomography (PET) is an important method for diagnosing neurodegenerative disorders such as Alzheimer’s disease. Many 11C- and 18F-labeled PET tracers show varying binding capacities, ... -
Ultraviolet-curable cycloaliphatic polyesters containing spiroacetal moieties for application as powder coatings
(American Chemical Society, 2022-03-15)Thermosetting cycloaliphatic powder coatings that exhibit good weatherability, corrosion resistance, and mechanical properties have been desired for some time. Unfortunately, most cycloaliphatic resins have glass transition ... -
Uncover new reactivity of genetically encoded alkyl bromide non-canonical amino acids
(Frontiers Media S.A., 2022-02-18)Genetically encoded non-canonical amino acids (ncAAs) with electrophilic moieties are excellent tools to investigate protein-protein interactions (PPIs) both in vitro and in vivo. These ncAAs, including a series of alkyl ... -
Investigation of abiotic degradation of tire cryogrinds
(Elsevier, 2022-01-05)The abundance of microplastics found in the environment is a major cause of concern. Tire tread particles containing additives such as curing accelerators and antioxidants, can be a major source of elastomer pollution in ... -
Complex coordinated functional groups: A great genes for nonlinear optical materials
(Elsevier, 2021-12-04)Complex coordinated functional groups [MAxBy] (M = Central coordination element; A, B = P, O, S, Se, F, Cl, Br or I) are composed of different types of anions A, B jointly linked to the same central cation M, which are in ... -
From Three-Dimensional Clathrates to Two-Dimensional Zintl Phases AMSb2 (A = Rb, Cs; M = Ga, In) Composed of Pentagonal M–Sb Rings
(American Chemical Society, 2021-12-14)Three new antimonide Zintl phases, RbGaSb2, CsGaSb2, and CsInSb2, were discovered during exploration of corresponding A−M−Sb (A = Rb, Cs; M = Ga, In) ternary systems while searching for new clathrates. The AGaSb2 ... -
Synthesis, crystal growth, electronic properties and optical properties of $Y_6IV_{2.5}S_{14}$ (IV=Si, Ge)
(Wiley, 2021-12-06)Two isostructural ternary acentric sulfides, $Y_6Si_{2.5}S_{14}$ (1) and $Y_6Ge_{2.5}S_{14}$ (2) were re-investigated to understand the origin of the chemical flexibility of $RE_6B_xC_yCh_{14}$(RE=Y, La−Lu; B=Si, Ge, Sn, ... -
Structure-guided design of potent inhibitors of SARS-CoV-2 3CL protease: Structural, biochemical, and cell-based studies
(American Chemical Society, 2021-12-01)The COVID-19 pandemic is having a major impact on public health worldwide, and there is an urgent need for the creation of an armamentarium of effective therapeutics, including vaccines, biologics, and small-molecule ... -
Applying band gap engineering to tune the linear optical and nonlinear optical properties of noncentrosymmetric chalcogenides $La_4Ge_3Se_X S_{12- x} (x = 0, 2, 4, 6, 8, 10)$
(Royal Society of Chemistry, 2021-09-10)$La_4Ge_3S_{12}$ was structurally characterized in 1974 without any optical or nonlinear optical properties reported. Herein we report that the acentric crystal structure of $La_4Ge_3S_{12}$ has been confirmed by single-crystal ... -
Disentangling lipid isomers by high-resolution differential ion mobility spectrometry/ozone-induced dissociation of metalated species
(American Chemical Society, 2021-11-09)The preponderance and functional importance of isomeric biomolecules have become topical in biochemistry. Therefore, one must distinguish and identify all such forms across compound classes, over a wide dynamic range as ... -
Search for active-sterile antineutrino mixing using neutral-current interactions with the NOvA experiment
(American Physical Society, 2021-11-11)This Letter reports results from the first long-baseline search for sterile antineutrinos mixing in an accelerator-based antineutrino-dominated beam. The rate of neutral-current interactions in the two NOvA detectors, at ... -
Maleated soybean oil derivatives as versatile reactive diluents: Synthesis, characterization, and evaluation
(John Wiley and Sons Inc, 2021-11-02)Four maleated soybean oil (SBO) derivatives were synthesized and used as bio-based reactive diluents (RDs) for alkyd coating systems. The RDs were prepared in a two-step fashion: (a) Maleation of SBO with maleic anhydride ...