Shikha Nangia

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Nanotoxicity is becoming a major concern as the use of nanoparticles in imaging, therapeutics, diagnostics, catalysis, sensing, and energy harvesting continues to grow dramatically. The tunable functionalities of the nanoparticles offer unique chemical interactions in the translocation process through cell membranes. The overall translocation rate of the(More)
Delivery of poorly soluble anticancer drugs can be achieved by employing polymeric drug delivery systems, capable of forming stable self-assembled nanocarriers with drug encapsulated within their hydrophobic cores. Computational investigations can aid the design of efficient drug-delivery platforms; however, simulations of nanocarrier self-assembly process(More)
Theoretical investigation of protein corona is challenging because of the size of the protein-dot complex. In this work, we have addressed this computational bottleneck by combining pseudopotential + explicitly correlated Hartree-Fock QM calculations with molecular mechanics, molecular dynamics, and Monte Carlo techniques. The optical gap of a 5 nm CdSe(More)
The cell envelope of Gram-negative bacteria contains a lipopolysaccharide (LPS) rich outer membrane that acts as the first line of defense for bacterial cells in adverse physical and chemical environments. The LPS macromolecule has a negatively charged oligosaccharide domain that acts as an ionic brush, limiting the permeability of charged chemical agents(More)
In this paper, we discuss the design and use of an object-oriented framework for simulating full truckload (FTL) networks. We present a context for how the framework can be used through its application to an example trucking network. In addition, we describe the design by examining the major conceptual artifacts within the object-oriented model. The(More)
The blood-brain barrier (BBB) constituted by claudin-5 tight junctions is critical in maintaining the homeostasis of the central nervous system, but this highly selective molecular interface is an impediment for therapeutic interventions in neurodegenerative and neurological diseases. Therapeutic strategies that can exploit the paracellular transport remain(More)
A series of telodendrimer (a linear polyethyelene glycol-block-dendritic oligo-cholic acid) have been synthesized via a bottom-up approach to optimize the hemocompatibility of the nanocarrier. Numbers of hydrophilic glycerol groups were introduced onto the polar surface of cholic acid to reduce the plasma membrane lytic activity of telodendrimers. An(More)
Biofilms are surface-attached colonies of bacteria embedded in an extracellular polymeric substance (EPS). Inside the eukaryotic hosts, bacterial biofilms interact with the host cells through signaling factors (SFs). These signaling processes play important roles in the interaction between bacteria and host cells and the outcome of infections and symbiosis.(More)
We report on the Gaussian file search system designed as part of the ChemXSeer digital library. Gaussian files are produced by the Gaussian software [4], a software package used for calculating molecular electronic structure and properties. The output files are semi-structured, allowing relatively easy access to the Gaussian attributes and metadata. Our(More)
Nanodiamonds (NDs) are an emerging class of engineered nanomaterials that hold great promise for the next generation of bionanotechnological products to be used for drug and gene delivery, or for bio-imaging and biosensing. Previous studies have shown that upon their cellular uptake, NDs exhibit high biocompatibility in various in vitro and in vivo set-ups.(More)