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Articles by Yogesh Sharma
Total Records ( 2 ) for Yogesh Sharma
  Yogesh Sharma , N. Sharma , G.V. Subba Rao and B.V.R. Chowdari
 

Nano-CdSnO3 is prepared by thermal decomposition of the precursor, CdSn(OH)6 at 600 °C for 6 h in air. The material is characterized physically by X-ray diffraction (XRD), high-resolution transmission electron microscopy (HR-TEM) and selected-area electron diffraction (SAED) techniques. Nano-CdSnO3 exhibits a reversible and stable capacity of 475(±5) mAh g-1 (5 mol of cycleable Li per mole of CdSnO3) for at least 40 cycles between 0.005 and 1.0 V at a current rate of 0.13 C. Extensive capacity fading is found when cycling in the range 0.005–1.3 V. Cyclic voltammetry studies complement galvanostatic cycling data and reveal average discharge and charge potentials of 0.2 and 0.4 V, respectively. The proposed reaction mechanism is supported by ex situ XRD, TEM and SAED studies. The electrochemical impedance spectra taken during 1st and 10th cycle are fitted with an equivalent circuit to evaluate impedance parameters and the apparent chemical diffusion coefficient (DLi+) of Li. The bulk impedance, Rb, dominates at low voltages (≤0.25 V), whereas the combined surface film and charge-transfer impedance (R(sf+ct)) and the Warburg impedance dominate at higher voltages, ≥0.25 V. The DLi+ is in the range of (0.5–0.9) × 10-13 cm2 s-1 at V = 0.5–1.0 V during the 10th cycle.

  Yogesh Sharma , G. Jeyabalan and Ramandeep Singh
  Wound is defined as the disruption of the cellular and anatomic continuity of a tissue. Wound may be produced by physical, chemical, thermal, microbial or immunological insult to the tissues. The process of wound healing consists of integrated cellular and biochemical events leading to re-establishment of structural and functional integrity with regain of strength in injured tissues. Naturally, the investigative curiosity to promote healing continues since ages. A lot of research has been envisaged to develop better healing agents and it has been a challenging task to generate them and keep pace with the problems encountered. Several drugs of plant, mineral and animal origin are described in the ayurveda for their wound healing properties. In the present review, attempts are made to understand various aspects of wounds and discuss about wound healing potential of plants, its botanical name, common name, family, part used, extract used, dose, study duration and references, which are helpful for researcher to development new wound healing formulations for human use.
 
 
 
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