Nanotechnology has emerged as one of the leading fields of the science having tremendous application in diverse disciplines. As nanomaterials are increasingly becoming part of everyday consumer products, it is imperative to assess their impact on living organisms and on the environment. Physicochemical characteristics of nanoparticles and engineered nanomaterials including size, shape, chemical composition, physiochemical stability, crystal structure, surface area, surface energy, and surface roughness generally influence the toxic manifestations of these nanomaterials. This compels the research fraternity to evaluate the role of these properties in determining associated toxicity issues. Reckoning with this fact, in this paper, issues pertaining to the physicochemical properties of nanomaterials as it relates to the toxicity of the nanomaterials are discussed.
Molecular docking is a kind of bioinformatic modelling which involves the interaction of two or more molecules to give the stable adduct. Depending upon binding properties of ligand and target, it predicts the three-dimensional structure of any complex. Molecular docking generates different possible adduct structures that are ranked and grouped together using scoring function in the software. Docking simulations predict optimized docked conformer based upon total energy of the system. In spite of all potential approaches, ligand chemistry (tautomerism and ionization), receptor flexibility (single conformation of rigid receptor) and scoring function (differentiate true binding mode) still remained the challenge. Many important aspects of molecular docking in terms of its approaches, types, applications and challenges are briefly discussed in this article.
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Here in we report the number of strategies for the synthesis of differently substituted benzimidazole
derivatives. The protocols involved in the syntheses of these derivatives were one-pot or
multi-component. The characterization studies of these derivatives were carried by using different
spectroscopic techniques (1H NMR, 13C NMR and MS) and elemental analyses. The biological screening
studies revealed that these benzimidazole derivatives show potential antibacterial as well as antifungal
behavior. These benzimidazole derivatives not only depicted potential antiulcer properties but
also showed moderate to good anticancer/cytotoxic behavior against different cancer cell lines.
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