S. K. S. Parashar
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View article: Exploring the dermal safety of green-synthesized Ag–TiO <sub>2</sub> nanocomposites for topical applications
Exploring the dermal safety of green-synthesized Ag–TiO <sub>2</sub> nanocomposites for topical applications Open
We investigated Ag–TiO 2 nanocomposites (NCs) synthesized using leaf extracts of Azadirachta indica and Mangifera indica for topical applications.
View article: Dehydroepiandrosterone (DHEA), a circulating steroid hormone precursor produced potent vasorelaxation in rat aorta and mesenteric arteries through blockade of L-type voltage-dependent calcium channels
Dehydroepiandrosterone (DHEA), a circulating steroid hormone precursor produced potent vasorelaxation in rat aorta and mesenteric arteries through blockade of L-type voltage-dependent calcium channels Open
Dehydroepiandrosterone (DHEA) is known for potent cardioprotective properties and diminished DHEA level in plasma is often associated with hypertension and age-related anomalies. However, putative ex-vivo vasorelaxation potential of DHEA i…
View article: Upconversion of Phonon Modes into Microwave Photons in a Lithium Niobate Bulk Acoustic Wave Resonator Coupled to a Microwave Cavity
Upconversion of Phonon Modes into Microwave Photons in a Lithium Niobate Bulk Acoustic Wave Resonator Coupled to a Microwave Cavity Open
The coupling between acoustic vibrations in a lithium niobate bulk acoustic wave resonator and microwave photons of a re-entrant microwave cavity was investigated at a temperature close to 4 K. Coupling was achieved by placing the acoustic…
View article: Complex modulus spectroscopy of Zn1-xSrxO nanoceramics
Complex modulus spectroscopy of Zn1-xSrxO nanoceramics Open
Strontium doped Zinc Oxide (Zn1-xSrxO) nanoceramics has been successfully prepared by solid state reaction method with different doping concentration (x=0-0.03). The modulus spectroscopy of the synthesized sample has been carried out by an…
View article: High speed laser induced periodic structure generation using femtosecond laser on surface of titanium
High speed laser induced periodic structure generation using femtosecond laser on surface of titanium Open
In this work femtosecond laser wavelength of 800nm, 1KHZ repetition rate and pulse length 100fs irradiation surface texturing has been used. The laser surface texturing is distinguished itself than other conventional processing due to its …
View article: Structural and Electrical Properties of Zn1-xCrxO NTCR Nanoceramics Synthesized by High Energy Ball Milling
Structural and Electrical Properties of Zn1-xCrxO NTCR Nanoceramics Synthesized by High Energy Ball Milling Open
Cr doped ZnO (x = 0-0.04) nanoceramics was successfully synthesized by high energy ball milling (HEBM) technique. The structural and electrical properties of the synthesized sample has been studied in detail. The doping of Cr into ZnO has …
View article: Growth of significantly low dimensional zinc orthotitanate (Zn2TiO4) nanoparticles by solid state reaction method
Growth of significantly low dimensional zinc orthotitanate (Zn2TiO4) nanoparticles by solid state reaction method Open
In this work, the ZnO-TiO2 mixed phase nanoparticles were prepared by solid state reaction method by using ZnO and TiO2 powder as precursors. The X-ray diffraction pattern shows a dominant phase of Zinc Orthotitanate (Zn2TiO4). The average…
View article: Temperature and Frequency Dependence Electrical Properties of Zn<sub>1-x</sub>Ca<sub>x</sub>O Nanoceramic
Temperature and Frequency Dependence Electrical Properties of Zn<sub>1-x</sub>Ca<sub>x</sub>O Nanoceramic Open
This work reports the temperature and frequency dependence electrical properties of Ca doped ZnO (Zn1-xCaxO, x = 0.01) nanoceramic synthesized by solid state reaction method.The X-ray spectra show that the synthesized powder has hexagonal …
View article: Model study of temperature dependent dynamic antiferromagnetic spin susceptibility in graphene
Model study of temperature dependent dynamic antiferromagnetic spin susceptibility in graphene Open
We report here a microscopic theoretical study of dynamic anti-ferromagnetic spin susceptibility of electrons for graphene systems, which deal with a tight-binding model Hamiltonian consisting of the hopping of electrons up to third neares…
View article: Enhancement of heat transfer by water–Al<sub>2</sub>O<sub>3</sub>and water–TiO<sub>2</sub>nanofluids jet impingement in cooling hot steel surface
Enhancement of heat transfer by water–Al<sub>2</sub>O<sub>3</sub>and water–TiO<sub>2</sub>nanofluids jet impingement in cooling hot steel surface Open
Two different nanofluids, namely water–Al2O3 and water–TiO2, were impinged in the form of jet on hot steel surface to remove high heat flux, and their performance was compared. The dimension of the test steel sample was 120 mm × 120 mm and…