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SOME UNIFIED INTEGRALS ASSOCIATED WITH THE GENERALIZED STRUVE FUNCTION
K.S. NISAR,D.L. SUTHAR,S.D. Purohit,M. ALDHALFALLAH 장전수학회 2017 Proceedings of the Jangjeon mathematical society Vol.20 No.2
This paper is devoted for the study of a new generalization of Struve type function. In this paper, we establish four new integral formulas involving the Galue type Struve function, which are express in term of the generalized (Wright) hypergeometric functions. The result established here are general in nature and are likely to nd useful in applied problem of sciences, engineering and technology.
Bhagobaty, Ranjan K.,Purohit, S.,Nihalani, M.C. Korean Society of Microscopy 2015 Applied microscopy Vol.45 No.4
Microorganisms specifically groups of bacteria exhibiting physiological activities of production of acids are a major cause of concern because of their ability to induce corrosion in oil field pipelines and metal systems involved in water handling. Water Injection Stations as a means of secondary recovery from existing oil producing reservoirs, are often employed in most upstream oil and gas industries to ensure replenishment of voidage, maintenance of reservoir pressure and optimization of crude emulsion throughput. In the present study, scanning electron microscopy of macroscopic orange coloured slime formations sampled from leaking valves on the flow-lines of a Water Injection Stations of Oil India Limited revealed the presence of filamentous bacterial mats in association with diatoms. The species composition of the acidic slime formations from the sampled locations reveal the possible role of acid producing iron oxidizing bacteria (IOB) like Acidithiobacillus ferrooxidans in association with Gomphonema sp. in creating conditions for bio-corrosion.
S. P. Singh,M. K. Purohit,C. Aoyagi,M. Kitaoka,K. Hayashi 한국생물공학회 2010 Biotechnology and Bioprocess Engineering Vol.15 No.2
In vivo folding of many proteins can be facilitated by growth temperature, extent of induction, and molecular chaperones, which prevent over-expressed protein from being trapped into insoluble inclusion bodies. In the present report, we describe the role of molecular chaperones and growth temperature on the solubilization of overexpressed Cellobiose Phosphorylase (CBP) in Escherichia coli. The growth of host at low temperature enhanced enzyme in soluble fraction. Similarly, induction of target gene at low level of IPTG also yielded higher enzyme in soluble fraction. The synergistic effect of low temperature and induction on the prevention of inclusion bodies was also evident from our results. In addition, co-expression of the target gene with two types of molecular chaperones (GroESL and KODHsp) was also attempted. However,none of these chaperones enhanced the solubilization under in vivo conditions. Nevertheless, effective role of low growth temperature coupled with low level of induction appeared to be an attractive feature for producing recombinant protein.
ECR plasma etching of GaAs in CCl2F2/Ar/O2 discharge and IR studies of the etched surface
L. S. S. Singh,K. P. Tiwary,R. K. Purohit,Z. H. Zaidi,M. Husain 한국물리학회 2005 Current Applied Physics Vol.5 No.4
The etching of GaAs materials under electron cyclotron resonance conditions has been performed in an ECR etching system withrf biasing using the CCl2F2/Ar/O2 plasma chemistry. Etching experiments were carried out at a pressure between 0.015 and 0.020mbar, rf power 0.39 W/cm2, and dc bias voltage 200 V. The surface morphology and etch depth were taken by scanning electronmicroscopy and Dektek Prolometry respectively. The use of ECR conditions with additional rf biasing provides the good etchingof the surface and fast etch rates. Moreover, the surface of the GaAs material display smooth and stoichiometric surfaces at higherECR powers. The surface damages on the GaAs samples after the plasma exposure have been studied using IR spectroscopy..
Luke Taylor,Chieko Kimata,Andrea M. Siu,Samantha N. Andrews,Prashant Purohit,Melissa Yamauchi,Andras Bratincsak,Russell Woo,Cass K. Nakasone,Sian Yik Lim 대한골다공증학회 2021 Osteoporosis and Sarcopenia Vol.7 No.3
Objectives: To investigate trends of osteoporosis treatment rates, and factors affecting osteoporosis treatment after hip fracture admission within a single health care system in Hawaii. Methods: A retrospective chart review was conducted of patients aged 50 years or older and hospitalized for hip fractures between January 1, 2011 and December 31, 2019 at Hawaii Pacific Health, a large health care system in Hawaii. We collected data on basic demographics and osteoporosis medication prescription from electronic medical records. We evaluated trends of osteoporosis treatment rates and performed logistic regression to determine factors associated with osteoporosis treatment. Results: The mean for treatment rates for osteoporosis from 2011 to 2019 was 17.2% (range 8.8%-26.0%). From 2011 to 2019 there was a small increase in treatment rates from 16.3% in 2011 to 24.1% in 2019. Men were less likely to receive osteoporosis treatment after admission for hip fracture. Patients discharged to a facility were more likely to receive osteoporosis treatment. As compared to women, men who had a hip fracture were less likely to receive dual-energy X-ray absorptiometry scan, and osteoporosis medication before hip fracture admission. Conclusions: The use of osteoporosis medication for secondary prevention after admission for hip fracture in Hawaii from 2011 to 2019 was low. However, there was a small increase in treatment rates from 2011 to 2019. Disparities in treatment of osteoporosis after hip fracture were noted in men. Significant work is needed to increase treatment rates further, and to address the disparity in osteoporosis treatment between men and women.