Mohanlal Sukhadia University
Udaipur, India

Mohanlal Sukhadia University also called University of Udaipur is a public university situated in Udaipur city in Indian state of Rajasthan. The university consists of four constituent colleges and 60 affiliated colleges from the districts of Udaipur, Chittorgarh, Rajsamand, Banswara, Dungarpur and Sirohi. The earlier agricultural University was turned into a multi-faculty university in 1964 and named as University of Udaipur. In 1984 it was renamed as Mohanlal Sukhadia University in memory of politician Mohanlal Sukhadia. Wikipedia.

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Jain C.P.,Mohanlal Sukhadia University
Journal of Global Pharma Technology | Year: 2010

Solubility is essential for the therapeutic effectiveness of the drug, independent of the route of administration. Poorly soluble drugs are often a challenging task for formulators in the industry. Conventional approaches for enhancement of solubility have limited applicability, especially when the drugs are poorly soluble simultaneously in aqueous and in non-aqueous media. Solubilization may be affected by cosolvent water interaction, micellar solubilization, reduction in particle size, inclusion complexes, solid dispersion, and change in polymorph. Some new technologies are also available to increase the solubility like microemulsion, self emulsifying drug delivery system and supercritical fluid technology. This review focuses on the recent techniques of solubilization for the attainment of effective absorption and improved bioavailability. © 2009, JGPT.

Sharma A.,JKK Nataraja Dental College and Hospital | Jain C.P.,Mohanlal Sukhadia University
Research in Pharmaceutical Sciences | Year: 2010

Solid dispersions in water-soluble carriers have attracted considerable interest as a means of improving the dissolution rate, and hence possibly bioavailability, of a range of hydrophobic drugs. The poor solubility of Carvedilol leads to poor dissolution and hence variation in bioavailability. The purpose of the present investigation was to increase the solubility and dissolution rate of Carvedilol for enhancement of oral bioavailability. In the present investigation solid dispersions with PVP K30 were prepared by solvent evaporation method. The physical mixture and solid dispersion(s) were characterized for drug-carrier interaction, drug content, solubility and dissolution rate. The solubility of drug increased with increasing polymer concentration. The dissolution rate was substantially improved for Carvedilol from its solid dispersion compared with pure drug and physical mixture. As indicated from X-ray diffraction pattern and DSC thermograms Carvedilol was in the amorphous form, which confirmed the better dissolution rate of solid dispersions. The solid dispersion was stable under accelerated storage conditions. The solid dispersion technique with PVP K30 as a carrier provides a promising way to enhance the solubility and dissolution rate of Carvedilol.

Chander S.,Mohanlal Sukhadia University | Dhaka M.S.,Mohanlal Sukhadia University
Solar Energy | Year: 2017

In this work, a study on the time evolution to post-CdCl2 heat treatment on the Cd-based solar cell devices is undertaken where the devices were fabricated employing vapor evaporation method and analyzed by different measurement tools like light current-voltage, capacitance-voltage and quantum efficiency to investigate the performance along with surface morphology. CdTe-based solar devices were analyzed with the application of post-CdCl2 heat treatment by varying annealing time. CdS layer was used as window layer with device structures ITO/CdS/CdTe/CdCl2/Cu-Au and FTO/CdS/CdZnTe/Cu-Au where in later structure, CdZnTe layer was used as absorber layer before the front contact to avoid open circuit voltage loss in the superstrate structure as CdTe-based thin film solar cells are suffered by the problem of suitable metal contact owing to difference between work function of used metal and position of valance band of CdTe layer. The performance characteristics reveal that the maximum efficiency for CdTe thin film solar cells is 7.13% with post-CdCl2 heat treatment of 75 min while 8.11% efficiency is recorded for CdZnTe solar cell device which is low as compared to the reported value but relatively good as in the present devices, the material consumption of absorber layer is quite low i.e. only 1.1 μm instead of typical thickness of 4–5 μm as well as low cost fabrication technique is used. The experimental results reveal that the treatment duration of post-CdCl2 plays an important role to enhance the performance of CdTe solar devices at lower thickness of the absorber layer. © 2017 Elsevier Ltd

Jain C.P.,Mohanlal Sukhadia University
International Journal of Drug Delivery | Year: 2011

Poorly water soluble compounds have solubility and dissolution related bioavailability problems. The present review deals in detail about solid dispersion technology and its manufacturing techniques at laboratory and industrial level. This highlight about various hydrophilic polymers used in this technique to enhance solubility of poorly soluble drugs. It also discusses about modern characterization technique to characterize solid dispersion. In this review, it is intended to discuss the recent advances related on the area of solid dispersion technology.

Sijo A.K.,Mohanlal Sukhadia University
Journal of Magnetism and Magnetic Materials | Year: 2017

In this study, we report the synthesis of nano-sized CoCrFeO4 and NiCrFeO4 using the solution self combustion method and the variation in the magnetic and structural properties with different fuel to nitrate ratios-fuel lean, fuel rich and stoichiometric. Citric acid is used as the fuel. XRD analysis of the samples confirms the formation of pure spinel phased nanoparticles in fuel rich and stoichiometric cases. But CoCrFeO4 and NiCrFeO4 samples prepared under the fuel lean condition show the presence of a small amount of impurity phases: α-Ni in fuel lean NiCrFeO4 and α-Co in fuel lean CoCrFeO4. Fuel lean samples possess high magnetic saturation. The stoichiometric ratio results in finest nano-particles and structural and magnetic properties are very critically dependent on fuel to nitrate ratio. © 2017 Elsevier B.V.

Choudhary S.,Mohanlal Sukhadia University
AIP Conference Proceedings | Year: 2015

There is a highly need of an alternate of toxic materials CdS for solar cell applications and indium sulfide is found the most suitable candidate to replace CdS due to its non-toxic and environmental friendly nature. In this paper, the effect of thermal annealing on the structural and optical properties of indium sulfide (In2S3) thin films is undertaken. The indium sulfide thin films of 121 nm were deposited on glass substrates employing thermal evaporation method. The films were subjected to the X-ray diffractometer and UV-Vis spectrophotometer respectively for structural and optical analysis. The XRD pattern show that the as-deposited thin film was amorphous in nature and crystallinity is found to be varied with annealing temperature. The optical analysis reveals that the optical band gap is varied with annealing. The optical parameters like absorption coefficient, extinction coefficient and refractive index were calculated. The results are in good agreement with available literature. © 2015 AIP Publishing LLC.

Trivedi R.,Mohanlal Sukhadia University
Proceedings of the National Academy of Sciences India Section B - Biological Sciences | Year: 2016

During the present study effect of different factors were studied during in vitro growth and multiplication of adventitious shoot buds induced from de-embryonated cotyledon explants of groundnut cultivar ‘JL-24’. Optimum shoot multiplication rate of 7.0 folds and average shoot length of 3.0 cm was achieved on Murashige and Skoog’s (MS) medium supplemented with 2.0 mgl−1 6-benzylamino purine. During subsequent subculture after every 21 days, an initial shoot number of 3 shoots per explant produced a maximum of 21 shoots per explant after 9 weeks. Sucrose at 3.0 % concentration supported the optimum shoot multiplication rate of 7.0 folds. Lowering or increasing sucrose concentration from the control (3.0 %) proved detrimental for in vitro shoot multiplication and growth. In case of liquid MS medium (without agar) supplemented with 6-benzylamino purine (2.0 mgl−1) and sucrose (3.0 %) the multiplication rate was reduced by 1.5 folds (after 6 weeks) as compared to the semi-solid medium (with 0.8 % agar). Hyperhydricity was also observed in liquid medium. Shoots measuring 3.0–4.0 cm obtained from multiplying cultures were found suitable for rooting. Cent per cent rooting was achieved on 1/4th MS medium with sucrose (2.0 %), agar (0.8 %) and indoleacetic acid (0.5 mgl−1). Subsequent hardening and acclimatization led to 95 % survival of in vitro raised plants. © 2014, The National Academy of Sciences, India.

Chander S.,Mohanlal Sukhadia University | Dhaka M.S.,Mohanlal Sukhadia University
Physica E: Low-Dimensional Systems and Nanostructures | Year: 2015

Abstract This paper presents the physical properties of vacuum evaporated CdTe thin films with post-deposition thermal annealing. The thin films of thickness 500 nm were grown on glass and indium tin oxide (ITO) coated glass substrates employing thermal vacuum evaporation technique followed by post-deposition thermal annealing at temperature 450°C. These films were subjected to the X-ray diffraction (XRD),UV-Vis spectrophotometer, source meter and atomic force microscopy (AFM) for structural, optical, electrical and surface morphological analysis respectively. The X-ray diffraction patterns reveal that the films have zinc-blende structure of single cubic phase with preferred orientation (111) and polycrystalline in nature. The crystallographic and optical parameters are calculated and discussed in brief. The optical band gap is found to be 1.62 eV and 1.52 eV for as-grown and annealed films respectively. The I-V characteristics show that the conductivity is decreased for annealed thin films. The AFM studies reveal that the surface roughness is observed to be increased for thermally annealed films. © 2015 Elsevier B.V.

Chander S.,Mohanlal Sukhadia University | Dhaka M.S.,Mohanlal Sukhadia University
Advanced Materials Letters | Year: 2015

The present communication reports the preparation and physical characterization of CdTe thin films for photovoltaic application. The thin films of thickness 660 nm and 825 nm were deposited on glass and ITO coated glass substrates employing thermal vacuum evaporation deposition method. These as-deposited films were characterized using XRD, UV-Vis spectrophotometer, source meter, SEM and AFM for physical properties. The XRD patterns reveal that the films are crystallized zinc-blende structure of cubic phase with preferred orientation (111) as well as polycrystalline in nature. The optical and crystallographic parameters are calculated and widely discussed. The optical band gap is found in the range 1.52 - 1.94 eV and observed to decrease with thickness. The current-voltage characteristics show that the current is found to be decreased with thickness and the resistivity is increased. The SEM studies show that the films are homogeneous, uniform and free from crystal defects. The grains in the thin films are similar in size and densely packed. The AFM studies reveal that the surface roughness is observed to increase for higher thickness. The experimental results reveal that the films of thickness 825 nm may be used as absorber layer in CdTe/CdS thin film solar cells due to its optical band gap 1.52 eV which is almost identical with the optimum band gap of CdTe and good crystallinity. © 2015 VBRI Press.

Galav P.,Mohanlal Sukhadia University | Jain A.,Mohanlal Sukhadia University | Katewa S.S.,Mohanlal Sukhadia University
Indian Journal of Traditional Knowledge | Year: 2013

Livestock comprises a major part of Indian agriculture economics. Livestock owners in far- flung remote areas still depend upon plants and animal products for curing various veterinary ailments. This folk knowledge of ethnoveterinary significance has been identified by tribal and rural people through a process of experience over hundreds of years. The present paper deals with the plant as well as animal based crude drugs used in veterinary practices in tribal area of Rajasthan in India. Ethnoveterinary surveys of the study area yielded veterinary uses of 59 plants species belonging to 55 genera of Angiosperms. Twelve animal based ethnoveterinary medicines are also reported. The identified taxa are described by mentioning their scientific name, families, vernacular names, ethnoveterinary medicinal uses along with their mode of administration.

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