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Mirtazapine Is Effective in Steroid Withdrawal Syndrome Related Depression: A Case Report
Sourav Khanra,Sourav Das 대한정신약물학회 2017 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.15 No.1
Steroid withdrawal syndrome (SWS) following steroid dependence is becoming a common clinical condition. It may be associated with body image disorder. Though selective serotonin reuptake inhibitors (SSRIs) are found to be effective SWS associated depression, data for this clinical condition is limited. We present a case of SWS associated with body image disorder which improved with mirtazapine. Mirtazapine might be better option than SSRIs in this subgroup of patients for its noradrenergic property and better gastrointestinal profile. More research should explore its efficacy in this clinical condition.
Sourav Das,Preetam Singh,KMK Srivatsa 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.66 No.5
Cerium-oxide (CeO2) microcrystals have been synthesized on a biaxially textured Ni-5%W (200)substrate by using the Electron beam (e-beam) evaporation technique with CeO2 powder as thesource material. The substrate temperature and electron beam gun power at which the microcrystalswere formed were 400◦C and 400 W, respectively. The X-ray diffraction (XRD) analysis confirmedthe crystallinity and a (111) orientation of the CeO2 crystals. Scanning electron microscope (SEM)image showed that the CeO2 crystals had large lateral dimensions in the range from 0.5 to 2.0 μm. The Raman spectrum shows only one peak at 464 cm−1 corresponding to the of F2g mode of theCeO2 crystals. No reports are available on the preparation of CeO2 crystals with such a large sizeon textured Ni-W substrate by using e-beam evaporation technique.
ON GEOMETRIC PROPERTIES OF THE MITTAG-LEFFLER AND WRIGHT FUNCTIONS
Das, Sourav,Mehrez, Khaled Korean Mathematical Society 2021 대한수학회지 Vol.58 No.4
The main focus of the present paper is to present new set of sufficient conditions so that the normalized form of the Mittag-Leffler and Wright functions have certain geometric properties like close-to-convexity, univalency, convexity and starlikeness inside the unit disk. Interesting consequences and examples are derived to support that these results are better than the existing ones and improve several results available in the literature.
Singamayum Khurshida,Chakraborty Sourav,Das Manas Jyoti,Sit Nandan,Deka Sankar Chandra 한국농업기계학회 2021 바이오시스템공학 Vol.46 No.1
Purpose The present study aims to develop value added cookies using composite formulation of wheat and cassava flour using simplex lattice mixture design and sensory evaluation by applying fuzzy logic approach. Methods Based on the simplex lattice mixture design, optimized formulations of the cookies using wheat flour, dry chips flour, and fermented cassava flour were developed. The impacts of the composite flour on different quality traits of the cookies specifically rheology, color, texture, and sensory properties were studied. Results The optimized formulations of the cookies were determined as wheat flour of 77.50%, dry chips flour of 16.67%, and fermented cassava flour of 5.83% of total flour. The responses under this formulation were color value (L* value) of 67.23, the maximumbreaking strength of 23.55 N, and loss tangent of 0.29. Investigation of the rheological properties based on loss tangent values demonstrated solid elastic behavior of the cookie’s dough. Furthermore, sensory evaluation by applying fuzzy logic approach revealed cookies prepared with the optimum formulation as the best sample based on appearance, aroma, taste, and texture. Conclusions The present study has the credentials to support that the developed composite flour-based cookies are the effectual alternative of accessible bakery items as evidenced by the results with improved quality properties.
An efficient vibration control strategy for reliability enhancement of HAWT blade
M. Mohamed Sajeer,Arunasis Chakraborty,Sourav Das 국제구조공학회 2020 Smart Structures and Systems, An International Jou Vol.26 No.6
This paper investigates the safety of the wind turbine blade against excessive deformation. For this purpose, the performance of the blade in the along-wind direction is improved by longitudinal stiffener made of shape memory alloy. The rationale behind the selection of this smart material is due to its ability to offer excellent thermo-mechanical behaviour at low strain. Here, Liang-Roger model is adopted for vibration control, and the super-elastic effects are utilised for blade stiffening. Turbulent wind fields are generated at the hub height using TurbSim and the corresponding loads are evaluated using blade element momentum theory. An efficient switching algorithm is developed along with performance curves that enable the designer to select an optimal mode of heating depending upon the operational scenario. Numerical results presented in this paper clearly demonstrate the performance envelope of the proposed stiffener and its influence on the reliability of the blade.