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Search Results: 1 - 10 of 40 matches for " Reshmi Marhe "
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The Clinical Relevance of Neurocognitive Measures in Addiction
Reshmi Marhe,Ingmar H. Franken,Maartje Luijten
Frontiers in Psychiatry , 2013, DOI: 10.3389/fpsyt.2013.00185
Abstract: One of the major challenges in addiction treatment is relapse prevention, as rates of relapse following treatment remain very high across the main classes of drugs of abuse. Relapse prevention could be improved by a better understanding of the factors that influence treatment outcomes, including better predictors of risk of relapse following treatment. Recent developments in cognitive neuroscience point to neurocognitive measures (i.e., brain-imaging measures during cognitive task performance) as potential predictors of relapse. These might even be better predictors than self-report measures, such as craving. We first give an overview of the current state of the field, and then discuss the outstanding challenges and future directions in this area of research.
Influence of Seedling Age on the Susceptibility of Tomato Plants to Ralstonia solanacearum during Protray Screening and at Transplanting  [PDF]
Pious Thomas, Reshmi Upreti
American Journal of Plant Sciences (AJPS) , 2014, DOI: 10.4236/ajps.2014.512190

The study was undertaken to assess whether seedling age played any role in governing the vulnerability of tomato to the bacterial wilt pathogen, Ralstonia solanacearum, based on the preliminary observations that the extent of mortality during seedling-stage screening was relatively less in older seedlings. Employing the virulent strain ‘NH-Av01’ isolated from tomato, 2-, 3-, 4- or 5-week-old seedlings of susceptible ‘Arka Vikas’ raised in organic cocopeat in 98 cavity protrays were inoculated with the pathogen through root-injury inoculation approach. Disease symptoms appeared earlier and with more severity in 2-week-old seedlings followed by 3-, 4- and 5-week-old saplings recording 74%, 68%, 63% and 49% mortality, respectively, after four weeks of inoculation suggesting that older the seedlings, less the susceptibility to the pathogen. The growth characteristics of seedlings (shoot height, shoot and root weights) showed a significant increase with seedling age (0.21, 0.54, 1.14 and 2.09 g gross weight/seedling at 2, 3, 4 and 5 weeks, respectively) indicating healthier saplings with delay in inoculation time. In subsequent trials, seedlings of 3, 4, 5 or 6 weeks were transplanted to field-sick soil in protrays or in pots with monitoring for 1 - 4 months which indicated a significant reduction in disease incidence and severity with increase in seedling age. The observations suggested that seedling age should be considered as a major factor influencing the susceptibility of tomato seedlings to R. solanacearum with the chances of variations in the extent of disease incidence or inconsistent results during seedling-stage screening and the possibility of escapes with older seedlings. Two-week seedlings formed the best when the aim is to induce maximum disease incidence, while transplanting at 5 - 6 weeks stage appeared the best when the objective is minimal disease incidence or formulating disease management strategies.

Testing of Bacterial Endophytes from Non-Host Sources as Potential Antagonistic Agents against Tomato Wilt Pathogen Ralstonia solanacearum  [PDF]
Pious Thomas, Reshmi Upreti
Advances in Microbiology (AiM) , 2014, DOI: 10.4236/aim.2014.410071

The study was taken up with the objective of testing whether the endophytic organisms isolated from crops that are normally non-hosts to the bacterial wilt pathogen Ralstonia solanacearum possessed pathogen-antagonistic activity and to evaluate the selected isolates for the alleviation of wilt disease in the target tomato crop through horizontal movement of promising organisms. Sixteen endophytic bacteria (EB) isolated from the micropropagated cultures of grape, watermelon and papaya were tested for potential antagonistic effects against R. solanacearum tomato isolate “NH-01” through agar-well diffusion assay. Enterobacter cloacae from papaya (EB-11) displayed the maximum antagonistic effect followed by Bacillus subtilis (EB-06) and B. flexus (EB-07) from watermelon and B. pumilus (EB-02) from grape. Testing the above organisms for crop protection through seed fortification of susceptible tomato cv. Arka Vikas at sowing in R. solanacearum inoculated (Ral+) organic cocopeat showed EB-02 and EB-11 promising (33% and 32% survival, respectively, four weeks after sowing against 15% in Ral+ control). A second trial showed 37%, 28%, 21% and 55% seedling survival 6 weeks after sowing for EB-02, EB-06, EB-07 and EB-11 respectively, compared to 2.5% in non-treated control. Assessing the four endophytes for crop protection in

A surveillance study of bacterial flora associated with mobile phones in a tertiary care hospital
Reshmi Chanda Roy
International Journal of Biomedical and Advance Research , 2013, DOI: 10.7439/ijbar.v4i1.917
Abstract: Nosocomial infection is an important problem in all hospitals which is contributed by the contaminated hand of the health care worker. The use of mobile phones in health care setting also play an important part as it may play as a reservoir of microorganism. This study is aimed to focus on the colonization of bacterial flora on mobile phones of health care workers.
Power Circuit Topology for the reduction in size of DVR
International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering , 2013,
Abstract: With the increased use of sophisticated electronic equipments, high efficiency variable speed drives and power electronic controllers power quality has become a rising concern to both utilities and customers. Voltage sag is the most common power quality problem generally caused by faults in transmission/distribution sector. Voltage sag even lasting only for a few tens of milliseconds is enough to bring entire production lines to standstill causing considerable economic loss. Therefore necessary measures have to be taken to protect sensitive loads which are susceptible to these voltage disturbances. Among the available solutions, Dynamic Voltage Restorer (DVR) is a seriesconnected cost effective custom power device that can quickly mitigate the voltage sag in the system and restore the load voltage to the pre-fault value. Traditional DVR consists of series and shunt converters connected back-to-back and a dc capacitor installed on the common dc link. But the cost, weight, and physical size have inhibited the DVR from greater penetration and wider recognition. In this paper, two no energy (source side and load side connected shunt converter) system topologies for dynamic voltage restorers are analysed based on the storage element required for sag mitigation. In the former case the dc capacitor is required to store the necessary energy for compensation but in the latter case it is required only for smoothing the dc-link voltage so that size of the energy storage element required can be reduced significantly. A synchronous reference frame based controller for the inverter based voltage sag compensator is presented. This paper also deals with a method to mitigate the zero-sequence voltage component in the load after the occurrence of an unbalance voltage sag. Simulations are carried out in PSCAD software package.
Reshmi Chanda Roy,Sneha Dadarya
International Journal of Biomedical and Advance Research , 2012, DOI: 10.7439/ijbar.v3i5.462
Abstract: Simple digital cameras for family photography and mobile phone camera can be used in microbiology or pathology laboratories. Present study explores simple, easy and low cost techniques of photography which is beneficial for the undergraduate and post graduate students for their research works.
Surface Plasmon Waves on noble metals at Optical Wavelengths
Niladri Pratap Maity,Reshmi Maity
International Journal of Computer Science Issues , 2011,
Abstract: In this paper the variation of the propagation constant, the attenuation coefficient, penetration depth inside the metal and the dielectric has been evaluated. The propagation characteristics of Surface Plasmon Waves (SPWs) which exists on noble metals like gold (Au), silver (Ag) and aluminium (Al) due to the formation of Surface Plasmon Polaritons (SPPs), have been evaluated theoretically and simulated. It has been found that highly conducting metals Au and Ag provide a strong confinement to the SPWs than Al at optical frequencies. The comparative study reveals that metal having higher conductivity can support a more confined SPW, having a lower penetration depth than metals of lower conductivity at terahertz frequencies when its dielectric constant assumes a negative value.
Drought and UV stress response in Spilanthes acmella Murr., (tooth-ache plant)
Reshmi G. R.,Rajalakshmi R.
Journal of Stress Physiology & Biochemistry , 2012,
Abstract: In the present investigation, experiments were conducted to investigate the growth, morphological, anatomical and biochemical responses of to UV and drought stresses in Spilanthes acmella (toothache plant). Results were shown that both UV and drought treatments retarded plant growth. Although there was no significant difference in the internal structure of leaf and stem. Morphometric changes such as curling of leaves and shiny surface due to waxy coatings were noticed in plants grown under UV radiation however these changes were absent in water stressed plants but yellowing was observed in the entire leaves. Chlorophyll content and relative water content in leaves were significantly affected by UV and drought. Relative water content markedly increased in UV treated plants and reduced in drought. In UV treated plants chlorophyll a, chlorophyll band total chlorophyll contents were considerably decreased than the drought treated plants. The carotenoid, flavonoids and anthocyanins concentration increased in both treatments. Changes in contents of antioxidative metabolites under the stresses were observed. Free proline and MDA accumulations also showed significant increase in droughttreatment than in UV treatment. During drought condition the catalase activity decreased as compared with the control plant whereas UV treated plants showed increase in the catalase activity.
A statistical detection of gamma-ray emission from galaxy clusters: implications for the gamma-ray background and structure formation
Caleb A. Scharf,Reshmi Mukherjee
Physics , 2002, DOI: 10.1086/343035
Abstract: The origin of the diffuse extragalactic, high-energy gamma-ray background (EGRB) filling the Universe remains unknown. The spectrum of this extragalactic radiation, as measured by the EGRET on-board CGRO, is well-fit by a power law across nearly four decades in energy, from 30 MeV to 100 GeV. It has been estimated that not more than a quarter of the diffuse gamma-ray background could be due to unresolved point sources. Recent studies have suggested that much of the diffuse background could originate from the up-scatter of CMB photons by relativistic electrons produced by shock waves in the IGM during large-scale structure formation. In this work we search for evidence of gamma-ray emission associated with galaxy clusters by cross-correlating high Galactic latitude EGRET data with Abell clusters. Our results indicate a possible association of emission with clusters at a >3-sigma level. For a subset of the 447 richest (R>=2) clusters the mean surface brightness excess is 1.2x10^-6 ph cm^-2 s^-1 sr^-1 (>100MeV), corresponding to a typical non-thermal bolometric luminosity of L_{gamma} ~ 1x10^44 erg s^-1. Extrapolating this measurement and assuming no evolution we conservatively estimate that ~ 1-10 of the EGRB could originate from clusters with z<1. For this cluster population the predicted non-thermal luminosity is in excellent agreement with our measurement, suggesting that the clusters have experienced mass accretion within the last 10^9 yrs. If correct, then future gamma-ray missions, such as GLAST should be able to directly detect nearby galaxy clusters.
Awareness and Treatment Seeking Behaviour of People Affected With Malaria in Coastal South India
B Unnikrishnan,Anan Jaiswal,B Reshmi
Iranian Journal of Public Health , 2008,
Abstract: Background: Malaria is a serious global health challenge. Mangalore, Karnataka, India is an endemic area for malaria and there has not been much research on this area. Thus it has been felt that this study will provide an insight into efficacy of the cur-rent malaria control programs and identifying targets for future educational campaigns and provide guidance for existing pro-grams.Methods: The study was community based descriptive study and the data were collected by interviewing the subjects who had malaria infections in the last 12 months. The study duration was 24 months.Results: Two hundred and five individuals >= 15 years of age and who had at least 1 episode of malaria in the past 12 months were interviewed. Within the study population, 80.5% of the subjects correctly identified mosquitoes as the source of malaria. Seventy one percent of the interviewed subject completed the full course of medicine prescribed to them. Eighty one percent of the respondent said that no health education was given to them regarding prevention of malaria majority of the respondents spent between $10 to $30 for treatment of malaria.Conclusions: The malaria awareness campaign should be intensified as not all the people are aware to the cause of malaria and compliance to the treatment has to be increased by sensitizing the patients.
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