- Nonlinear Optical Materials Research
- Liquid Crystal Research Advancements
- Molecular spectroscopy and chirality
- Free Radicals and Antioxidants
- Spectroscopy and Quantum Chemical Studies
- Crystallography and molecular interactions
- Surfactants and Colloidal Systems
- Computational Drug Discovery Methods
- Organic Electronics and Photovoltaics
- Thermodynamic properties of mixtures
- Organic Light-Emitting Diodes Research
- Tendon Structure and Treatment
- Nonlinear Dynamics and Pattern Formation
- Electrochemical Analysis and Applications
- Synthetic Organic Chemistry Methods
- Orthopedic Surgery and Rehabilitation
- Asymmetric Synthesis and Catalysis
- Biochemical effects in animals
- Chemical synthesis and alkaloids
- Foot and Ankle Surgery
- Spectroscopy and Laser Applications
- Molecular Spectroscopy and Structure
- Prion Diseases and Protein Misfolding
- Nanocluster Synthesis and Applications
- Structural and Chemical Analysis of Organic and Inorganic Compounds
Indiana University Bloomington
2023-2025
University of Alabama at Birmingham
2023-2024
University of Wrocław
2020-2022
Indian Institute of Science Education and Research Mohali
2021
University of Kota
2018
University of Lucknow
2013-2017
Temple University
2009
Indian Institute of Technology Kanpur
2005
University of Georgia
2004
Two-dimensional infrared (2D IR) spectroscopy is a powerful technique for measuring molecular heterogeneity and dynamics with high spatiotemporal resolution. The methods can be applied to characterize specific residues of proteins by incorporating frequency-resolved vibrational labels. However, the time scale that 2D IR measure limited label's excited-state lifetime due decay absorption bands. To extend this scale, labels longer lifetimes are sought. An effective approach inhibiting...
SUMMARY Saliva of many vector arthropods contains factors that inhibit haemostatic responses in their vertebrate hosts. Less is known about the effect saliva on host immune responses. We investigated Aedes aegypti salivary gland extracts antigen‐stimulated transgenic OVA‐TCR DO11 mouse splenocytes vitro . T‐cell proliferation was inhibited a dose‐dependent manner, with greater than 50% inhibition at 0·3 pair (SGP) equivalents/mL. LPS‐stimulated B‐cell also inhibited. Secretion Th1 cytokines...
Background: The stability of the hindfoot greatly relies on integrity talonavicular joint. Pathologies affecting this joint often necessitate fusion. Our study explores risks posed to neurovascular and tendon structures during simulated percutaneous preparation for Methods: In 9 fresh cadaver specimens, was accessed through two portals. A 2-mm Shannon burr employed surface with distraction provided by a pin-based distractor. Dissections were performed assess potential damage critical...
In the present work, structural and spectroscopic investigations were carried out on a borreverine derivative. Borreverine is class of alkaloid as well natural antimalarial drug extracted from Borreria verticillata. With aim finding possible conformers, detailed conformational analysis derivative was conducted utilizing density functional theory employing B3LYP/6-31G(d,p) method. The crystallographic geometry used for full optimization, followed by analysis. investigation predicted most...
Background: Ankle sprains are a common musculoskeletal injury among the general population and often involve lateral ligament complex. Although majority of ankle treated successfully with nonsurgical conservative measures, an estimated 5% to 20% injuries ultimately develop chronic instability (CAI). Multiple surgical treatment modalities for complex exist, such as anatomical nonanatomical reconstruction. The current gold standard primary repair is Broström-Gould procedure. This first article...
Spectroscopic evidences for the analysis of phase transition and hydrogen bonding in a newly synthesised four-ring bent-core liquid crystal.
Surface-enhanced Raman scattering (SERS) circumvents the inherent insensitivity of spectroscopy and offers a powerful tool for ultrasensitive detection characterization biomolecules at low concentrations. Here we show that SERS via electrostatic tethering between surface-modified negatively charged silver nanoparticles highly positively intrinsically disordered N-terminal domain prion protein allows sensitive reproducible as hundreds nanomolar These measurements preferentially illuminate...
Near-infrared spectroscopy (NIR) and DFT calculations were applied to study solvent effect on competition between weak strong interactions in phenol solutions.
This work provides new insight into assembling of phenol in various solvents and competition between different kinds interactions. To examine both weak strong interactions, we selected a series non-aromatic aromatic solvents. Infrared spectra were measured at low (0.05 M) high (2 content. In addition, performed density functional theory calculations the structures harmonic vibrational 1:1 complexes with associates from dimer to tetramer. Based on these results, divided three groups. The...
A two-step procedure for preparing 2-alkyl-1,3-butadienes is described. Cuprate addition to commercially available 1,4-dibromo-2-butene yields 3-alkyl-4-bromo-1-butene, a product of SN2′ substitution. Dehydrohalogenation gives 2-alkyl-1,3-butadienes.
This work provides new quantitative information on vibrational spectra of liquid CHCl3, CDCl3, CHBr3 and CDBr3. Deconvolution the mid-infrared (MIR), near-infrared (NIR) Raman permitted for determination parameters fundamentals, overtones combination bands. Simultaneously, anharmonic were calculated by MP2 B3LYP methods. Using these data, first time, we estimated experimental theoretical contributions from vibrations (overtones bands) to MIR all studied compounds. For chloroforms contribute...
Chlorambucil is a well-known chemotherapy drug that being used to treat chronic myelogenous leukemia. As it contains ten flexible rotational bonds, the possible spatial conformations have been identified theoretically. The spectral signatures of monomer and dimer structures chlorambucil frequency shifts due non-covalent interactions (NCIs) illustrated using FT-IR FT-Raman spectra. bond correlation between carbon hydrogen nuclei has obtained 2D-HSQC NMR spectrum. assignments harmonic normal...