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Vineeth Mohan(Vineeth Mohan ),Pravesh Parekh(Pravesh Parekh ),Ammu Lukose(Ammu Lukose ),Sydney Moirangthem(Sydney Moirangthem ),Jitender Saini(Jitender Saini ),David J. Schretlen(David J. Schretlen ) 대한정신약물학회 2023 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.21 No.2
Objective: Schizophrenia is associated with impairment in multiple cognitive domains. There is a paucity of research on the effect of prolonged illness duration (≥ 15 years) on cognitive performance along multiple domains. In this pilot study, we used the Global Neuropsychological Assessment (GNA), a brief cognitive battery, to explore the patterns of cognitive impairment in recent-onset (≤ 2 years) compared to chronic schizophrenia (≥ 15 years), and correlate cognitive performance with brain morphometry in patients and healthy adults. Methods: We assessed cognitive performance in patients with recent-onset (n = 17, illness duration ≤ 2 years) and chronic schizophrenia (n = 14, duration ≥ 15 years), and healthy adults (n = 16) using the GNA and examined correlations between cognitive scores and gray matter volumes computed from T1-weighted magnetic resonance imaging images. Results: We observed cognitive deficits affecting multiple domains in the schizophrenia samples. Selectively greater impairment of perceptual comparison speed was found in adults with chronic schizophrenia (p = 0.009, η2 partial = 0.25). In the full sample (n = 47), perceptual comparison speed correlated significantly with gray matter volumes in the anterior and medial temporal lobes (TFCE, FWE p < 0.01). Conclusion: Along with generalized deficit across multiple cognitive domains, selectively greater impairment of perceptual comparison speed appears to characterize chronic schizophrenia. This pattern might indicate an accelerated or premature cognitive aging. Anterior-medial temporal gray matter volumes especially of the left hemisphere might underlie the impairment noted in this domain in schizophrenia.
Mohan, Chaya,Lee, Gyun Min Wiley Subscription Services, Inc., A Wiley Company 2010 Biotechnology and bioengineering Vol.107 No.2
<P>To enhance specific antibody (Ab) productivity (q<SUB>Ab</SUB>) of recombinant Chinese hamster ovary (rCHO) cells, post-translational limitations in the endoplasmic reticulum during antibody production should be relieved. Previously, we reported that overexpression of protein disulfide isomerase (PDI), which catalyzes disulfide bond exchanges and assists in protein folding of newly synthesized proteins, enhanced q<SUB>Ab</SUB> of rCHO cells by about 27% (Mohan et al., 2007, Biotechnol Bioeng 98:611–615) . Since the rate limiting step in disulfide bond formation is found to be the regeneration of oxidized PDI, the oxidation state of PDI, as well as the amount of PDI, might be important. Endoplasmic reticulum oxidoreductase (ERO1L) maintains PDI in an oxidized state so that disulfide bond formation occurs. Here, PDI and its helper protein, ERO1L were overexpressed in rCHO cells producing an Ab in an attempt to ease the bottleneck in disulfide bond formation, and hence, Ab folding and secretion. Transient expression of ERO1L alone and with PDI resulted in enhanced q<SUB>Ab</SUB> by 37% and 55%, respectively. In contrast, under stable inducible co-overexpression of PDI and ERO1L, the q<SUB>Ab</SUB> was unaffected or negatively affected by varying degrees, depending on the individual expression levels of these genes. In stable clones with altered oxidation state of PDI due to co-overexpression of PDI and ERO1L, secretion of Ab was hindered and PDI-associated retention of Ab was seen in the cells. Under transient gene expression, secretion of Ab was not compromised. The data presented here suggests a possible mechanism of PDI/ERO1L interaction with the target Ab and shows how the expression levels of these proteins could affect the q<SUB>Ab</SUB> of this Ab-producing rCHO cell line. Biotechnol. Bioeng. 2010;107: 337–346. © 2010 Wiley Periodicals, Inc.</P>
Quantum Sensing Research: A Scientometric Assessment of Global Publications during 1991-2020
Brij Mohan Gupta,Surinder Mohan Dhawan,Ghouse Modin Mamdapur 건국대학교 GLOCAL(글로컬)캠퍼스 지식콘텐츠연구소 2022 International Journal of Knowledge Content Develop Vol.12 No.3
The study presents a global research scenario in the domain of quantum sensing in quantitative and qualitative terms. The study is based on an analysis of 588 global publications in the field, sourced from the Scopus database for the period 1991-2020. The study identified key countries, organizations and authors, network collaborative linkages at national, institutional, and author level. In addition, it identified broad subject areas intersecting quantum sensing research, key journals for research communications, and broad characteristics of highly-cited papers. The study finds that the USA and Germany lead the world ranking in quantum sensing research with a combined share of 50% to the global output. The USA, Germany, and Italy are the home countries to 13 of the top 15 most productive organizations, and also the home countries to 14 of the top 15 most productive authors in the subject. The top journals publishing most research publications are Physical Review A, Physical Review Letters and New Journal of Physics. However, in the most cited journals list in the subject, Agriculture & Forest Meterology, Science and Physical Review A tops the list.
Application of a Lateral Misalignments Detection Mechanism for Roadway Powered Electric Vehicle
Krishna G. Mohan,Pulluri Harish,Merugu Kavitha,Mohan Reddy D.,Anil Kumar T. 대한전기학회 2024 Journal of Electrical Engineering & Technology Vol.19 No.5
Wireless power transfer (WPT) is emerging as an eminent means of the electric vehicle charging system. A perfectly aligned transmitter–receiver set of WPT system vintages a quick and autonomous charging of the vehicle. However, practically, misalignment is inevitable, and a minor deviation between the transmitter–receiver makes a diff erential fall in the desired output power. So, the system requires a proper mechanism to detect and correct these misalignments. In this paper, an experimental study on lateral misalignments is performed at diff erent ground clearances. Of the many detection techniques present, a 10bit R-2R ladder based lateral misalignment detection mechanism is proposed, and the signifi cant results are presented. This mechanism is a digital-to-analog converter, which induces multiple combinations of outputs. These outputs signify the precise position of the vehicle in the charging lane. Further, an interactive driver assistance system is suggested to attain the desired output power by instructing the EV driver to proceed for perfect alignment. This system eff ectively communicates the data such as state of alignment, measurement of speed, percentage of state-of-charge, and control over the charging process.
Sharma Vivek Mohan,Mathur Amit,Goyal Mohan Babu,Jat Shankar Lal 소화기인터벤션의학회 2023 International journal of gastrointestinal interven Vol.12 No.2
Background: Post-endoscopic retrograde cholangiopancreatography pancreatitis (PEP) is a common complication of therapeutic endoscopy. The aim of this trial was to determine whether a combination of rectal diclofenac and vigorous hydration with Ringer’s lactate is superior to the correspond-ing individual treatments for preventing PEP in high-risk patients. Methods: This randomized, open-label, controlled trial was conducted from August 2020 to January 2022. We included patients who were at high risk of developing PEP. Three intervention groups were made: group A, diclofenac sodium suppository (100 mg); group B, aggressive hydration with Ringer’s lactate; group C, a combination of diclofenac and aggressive hydration. PEP was defined as a serum amylase level > 3 times the upper limit of normal with epigastric pain within 24 hours after endoscopic retrograde cholangiopancreatography.Results: A total of 144 patients were included and 48 cases were randomized to each intervention group. The incidence of PEP was 8.3%, 10.4%, and 8.3% in groups A, B, and C, respectively. A personal history of alcohol consumption and more than one pancreatic duct guidewire cannulation were significantly associated with the development of PEP.Conclusion: No difference in the incidence of PEP was observed with or without the use of aggressive hydration. Combining aggressive hydration with a rectal nonsteroidal anti-inflammatory drug for preventing PEP cannot be recommended.
Mohan Rao Mamdikar,Vinay Kumar,Pooja Singh 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.4
The Emergency Diesel Generator (EDG) is a critical and essential part of the Nuclear Power Plant (NPP). Due to past catastrophic disasters, critical systems of NPP like EDG are designed to meet high dependability requirements. Therefore, we propose a framework for the dynamic reliability assessment usingthe Fault Tree and the Dynamic Bayesian Network. In this framework, the information of the component's failure probability is updated based on observed data. The framework is powerful to performqualitative as well as quantitative analysis of the system. The validity of the framework is done byapplying it on several NPP systems.
Mohan Kumar Balasundaram,Mani Maran Ratnam 한국정밀공학회 2014 International Journal of Precision Engineering and Vol. No.
Common methods of in-process surface roughness measurement are capable of providing a limited number of amplitude parametersfor roughness assessment. This is mainly due to the averaging effect of the sensors used. In this work, we measured the amplitude,spacing, hybrid as well as functional surface roughness parameters during dry turning of AISI 1035 carbon steel using machinevision. A commercial DSLR camera with high shutter speed was used to capture a blur-free image of the workpiece surface profilediametrically opposite the cutting tool. The edge of the surface profile was detected to sub-pixel accuracy using the grey level invariantmoment and the roughness parameters were determined from the profile. The tool nose wear and machining time were correlated withamplitude, hybrid, and spacing surface roughness parameters, as well as the bearing area curve parameters. Three new roughnessparameters, namely average slope of profile peaks (Φp), average slope of profile valleys (Φv), relative length of peaks (Rrl), wereintroduced to study the effect of changes in tool nose micro geometry due to wear on the surface roughness. Among these newparameters Φp and Rrl showed better correlation with machining time and nose wear compared to all other parameters.
Anxiolytic activity of standardized extract of Korean ginseng - a study on exploratory behavior
Mohan, M,Kasture, SB,Balaraman, R Kyung Hee Oriental Medicine Research Center 2005 Oriental pharmacy and experimental medicine Vol.5 No.4
The roots of the plant Korean ginseng have been extensively used in the traditional Chinese herbal medicine. We investigated the standardized extract of Korean ginseng on animal models of anxiety based on exploratory behavior. Korean ginseng extract (KGE) (3, 10 and 30 mg/kg) was administered intra-peritoneally. The anxiolytic activity was studied using elevated plus maze (EPM) paradigm, light/dark apparatus (LDA), open field apparatus (OFA) and the hole board apparatus (HBA). Diazepam (1mg/kg) was used as a standard anxiolytic drug. In EPM, KGE (10 mg/kg) significantly (P < 0.05) increased the time spent in open arms and the number of entries in open arms. In LDA, KGE (10 mg/kg) increased the number of transitions. In OFA, KGE (3 and 10 mg/kg) significantly increased (P < 0.05) the number of squares traversed. In HBA the number of head pokes were significantly increased with KGE (3 and 10 mg/kg). KGE at all selected doses did not affect the motor coordination. Thus, the study suggests that saponin containing standardized Korean ginseng extract possess anxiolytic activity.