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socio-economic determinants of underweight children in West Bengal,India

Asian Pacific Journal of Tropical Medicine 2010年第4期3卷 322-327页

作者： Bharati s chakrabarty s som s Pal M Bharati P sociological Research Unit Indian Statistical Institute203 B.T.RoadKolkata 700 108West BengalIndia Biological Anthropology Unit Indian Statistical Institute203 B.T.RoadKolkata 700 108West BengalIndia Economic Research Unit Indian Statistical Institute203 B.T.RoadKolkata 700 108West BengalIndia Biological Anthropology Unit Indian Statistical Institute203 B.TRoadKolkata 700 108West BengalIndia

Objective:To study the extent of undernutrition at district level and the socio-economic determinants of underweight children aged 0-71 months in West Bengal.Methods:The data were accessed from the Reproductive and Child Health survey(RCHs-II),which contained information of 7 ssO children and their parents.Information of socio-economic variables about the associated families of these children had also been taken for our study.This study computed weight-for-age z-scores to assess the nutritional status of the children using WHO(2006) reference.Results:The prevalence of underweight varied over the districts.Districts with very high prevalence of underweight children were Murshidabad,Burdwan,Purulia,Medinipur, Howrah and south 24 Parganas.High prevalent districts for both boys and girls were Jalpaiguri and Coochbihar.Low prevalent districts for both boys and girls were south Dinajpur,Nadia and Kolkata.The percentage of underweight children were more in rural areas among Muslim families with illiterate parents and low standard of living.In Murshidabad,Bankura,Nadia, Medinipur and south 24 Parganas districts,i.e.,where prevalence of underweight children were higher,the rural and urban differences were less.The characteristics like religion,parents’ educational status and standard of living index showed significant effect on the children’s weights.Conclusions:Public intervention programs on the parent’s education and the standard of living of the households at district level should be given high priority to combat the children’s undernutrition problems so far as weight for age is concerned.

关键词： Underweight Children socio-economic determinants West Bengal India

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Periodontal conditions and treatment in urban and rural population of West Bengal,India

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Asian Pacific Journal of Tropical Medicine 2010年第2期3卷 152-157页

作者： Mehta R Kundu D chakrabarty s Bharati P Department of Periodontia Dr.R.Ahmed Dental College & Hospital Biological Anthropology Unit Indian Statistical Institute

Objective:To search adequate epidemiological data on periodontal conditions for the planning of oral health programs in Indian population,and to determine the prevalence of periodontal diseases,in regards to age and gender of urban and rural population in West Bengal.India. Methods:22 542 subjects aged 15 years onwards,representative of rural and urban areas of West Bengal were examined for their periodontal conditions using the community periodontal index(CPI).Results:supra and/or sub gingival calculus dominated as the most frequent score (score 2) among males(76.51%) and females(76.58%),which was least affected in young age group and higher in rural population.severity of highest score were significant(Ps(Psextants affected by scores 1,2,3,& 4 were more in the rural areas.Assessed treatment needed was predominantly typeⅡ(scaling and improved oral hygiene).Conclusions: The severe periodontal condition(score 2,3 and 4) is observed among rural males in older age group more than its urban counterparts of West Bengal,India.

关键词： Periodontal diseases Treatment needs Urban and rural population Age group Gender

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Clinical and bacteriological correlates of whole blood interferon gamma(IFN-γ) in newly detected cases of pulmonary TB

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Asian Pacific Journal of Tropical Medicine 2010年第3期3卷 224-231页

作者： Bandyopadhyay M Bhakta A chakrabarty s Pal M Premananda Bharati Department of Microbiology RG Kar Medical College Department of Anatomy NRS Medical College school of studies in Anthropology Pt.Ravishankar Shukla University Indian statistical Institute 203 BT RoadKolkata 700108

Objective:To determine the relationship of the capacity to produce interferon gamma(IFN-γ) in whole blood,bacteriological,hematological,radiographic and clinical presentations in new,HIV seronegative cases of pulmonary tuberculosis(TB).Methods:80 cases and 50 control subjects aged 15 years onwards,representative of Kasturba Hospital and Nursing schools of Wardha district of Maharashtra state in India were examined for their health condition with standard methodology.Results:Among these TB patients,73.8%were Quantiferon-TB gold (QFT) positive with IFN-γconcentration as 0.35 IU or more and there was none in healthy controls.The mean IFN-γconcentrations varied between 9.58 IU(50-59 yrs) and 2.58 IU(≥60 yrs),showing no trend.The differences in positivity and mean IFN-γconcentrations were statistically insignificant.Both the QFT positivity and IFN-γconcentrations were higher in normal lymphocyte percent as compared to below and above normal,but differences were not statistically significant.Conclusions:The IFN-γconcentrations are not correlated with any of the predictors of disease severity studied,the levels are significantly higher in observation group as compared to healthy group.

关键词： Interferon gamma(IFN-γ) Tuberculosis(TB) patients Quantiferon-tuberculosis gold(QFT) positivity Maharashtra India

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synthesis and Characterization of Europium Doped Ceria

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Journal of Rare Earths 2007年第S1期25卷 4-7页

作者： Nishant.B.shah Biswajit.s.chakrabarty Applied Physics Department Faculty of Technology & Engineering M S University of BarodaVadodara Gujarat 390001India

Europium doped CeO_2 was synthesized via combustion synthesis method. The powders were found to be in a single phase. The average crystallite size was found to be about 30nm. It was revealed from photoluminescence spectra that there was an excitation band around 368 nm and a narrow excitation peak at 468 nm. The emission spectrum showed four peaks at 589, 608, 629 and 650 nm.

关键词： ceria combustion synthesis luminescence excitation emission spectra rare earths

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Non-linear theory of vibration and aesthetics of raga music

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Chinese Journal of Acoustics 1992年第2期11卷 179-183页

作者： s.chakrabarty Department of Physics Visva Bharati UniversitySantiniketan -731235 India

The non-linear theory of vibration has recently been applied to a number of problems in physics and was found to give many interesting results which were absent in the case of linear vibration. It is natural to think of the outcome of application of non-linear theory to raga music, a topic which has hitherto been unexplored. It has been found that a new realm of musical idea is obtained if one considers the effects of non-linearity in physics on the understanding of the aesthetics and beauty in raga music when two notes are sounded simultaneously.

关键词： Non-linear theory of vibration and aesthetics of raga music

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确定非常光线的方位

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大学物理 1989年第9期 23-24+14页

作者： G.P.sastry ,Krishna Kumar ,s.chakrabarty ,何克明,沈光年杭州大学物理系杭州大学物理系

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Flavor-alignment in an s_(3)-symmetric Higgs sector and its RG-behavior

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Chinese Physics C 2022年第12期46卷 58-67页

作者： Nabarun chakrabarty Indrani Chakraborty Department of Physics Indian Institute of TechnologyKanpur 208016India

A three Higgs-doublet model exhibiting s_(3)-symmetry can predict the observed pattern of quark masses and their mixings. However, the same symmetry also introduces potential flavor-changing neutral currents(FCNCs)at the tree level. In this study, we assume that the scalar potential contains appropriate soft s_(3)-breaking terms to maintain flexible choices of scalar masses. We identify the parameters in the Yukawa Lagrangian of the quark sector responsible for such FCNCs and constrain them using data from flavor physics observables, such as meson-decays and meson-mixings. We also validate the corresponding model parameter space via renormalization group evaluation.

关键词： beyond the standard model extended Higgs sector flavor changing neutral current

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Pentachlorophenol degradation by Pseudomonas stutzeri CL7 in the secondary sludge of pulp and paper mill

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Journal of Environmental sciences 2010年第10期22卷 1608-1612页

作者： santosh Kr.Karn s.K.chakrabarty M.s.Reddy Department of Biotechnology Thapar University Thapar Centre for Industrial Research and Development

A pentachlorophenol （PCP） mineralizing bacterium was isolated from the secondary sludge of pulp and paper mill and identified as Pseudomonas stutzeri strain CL7. This isolate used PCP as its sole source of carbon and energy and was capable of degrading this compound as indicated by stoichiometric release of chloride and biomass formation. P. stutzeri （CL7） was able to mineralize a high concentration of PCP （600 mg/L） than any previously reported Pseudomonad with PCP as sole carbon source. As the concentration of PCP increased from 50 to 600 mg/L, the reduction in the cell growth was observed and the PCP degradation was more than 90% in all studied concentrations. This isolate was able to remove 66.8% of PCP from the secondary sludge of pulp and paper mill when supplemented with 100 mg/L of PCP and grown for two weeks. This study showed that the removal efficiency of PCP by CL7 was found to be very effective and can be used in PCP remediation of pulp paper mill waste in the environment.

关键词： pentachlorophenol 16s rRNA secondary sludge bioremediation pulp and paper mill

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Ultra Wideband Microstrip Diamond slotted Patch Antenna with Enhanced Bandwidth

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International Journal of Communications, Network and system sciences 2011年第7期4卷 468-474页

作者： Chia Ping Lee Chandan Kumar chakrabarty 不详

An Ultra Wideband (UWB) microstrip diamond slotted patch antenna with enhanced bandwidth is presented in this paper. The proposed antenna is simulated in CsT Microwave studio and fabricated for measurements. Its simulated result displays impedance bandwidth from 3.28 GHz to 19.64 GHz, whereas the measured result displays the frequency region from 2.01 GHz to 18.67 GHz. The antenna complies with the return loss of s11 standing Wave Ratio (VsWR) s of the antenna design and related results such as phase angle, input impedance and radiation patterns are discussed in this paper. This antenna has surpassed the bandwidth of UWB requirement, which is from 3.1 GHz to 10.6 GHz, and exhibits good UWB characteristics.

关键词： Ultra Wideband (UWB) return loss impedance bandwidth Voltage standing Wave Ratio (VsWR)

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Curculigo recurvata W.T.Aiton exhibits anti-nociceptive and anti-diarrheal effects in Albino mice and an in silico model

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Animal Models and Experimental Medicine 2020年第2期3卷 169-181页

作者： shabbir Ahmad Mst.samima Nasrin A.s.M.Ali Reza Nishan chakrabarty Md.Akramul Hoque sanjida Islam Mohammad shah Hafez Kabir syed Mohammed Tareq A.H.M.Khurshid Alam Md.Areeful Haque Md.saiful Islam Arman Department of Pharmacy International Islamic University ChittagongChittagongBangladesh Department of Biochemistry&Molecular Biology University of ChittagongChittagongBangladesh Department of Chemistry Wayne State UniversityDetroitMIUSA Department of Pharmacy University of RajshahiRajshahiBangladesh Drug and Herbal Research Centre Faculty of PharmacyUniversiti Kebangsaan MalaysiaKuala LumpurMalaysia

Background: Curculigo recurvata(C. recurvata) is an enthnomedicinally important herb reported to have significant medicinal values. The present study aimed to explore the in vivo and in silico anti-nociceptive and anti-diarrheal effects of a C. recurvate rhizome methanol extract(Me-RCR).Methods: The analgesic effects of Me-RCR were assessed using acetic acid-induced writhing and the formalin-induced flicking test. The drugs were administered intraperitoneally(IP) at doses of 200 and 400 mg/kg body weight(bw). Anti-diarrheal activity was evaluated by assessing intestinal motility, hypersecretion, and fecal score in mice at oral doses of 200 and 400 mg/kg·bw. Computer facilitated analyses for anti-nociceptive and anti-diarrheal activities of three isolated compounds from C. recurvata were undertaken to identify the best-fit phytoconstituents.Results: The Me-RCR showed significant(P st dose. The extract inhibited both early and late phases of nociception in the formalin-induced writhing test. In the castor oil-induced diarrhoea model, the extract significantly(P set time of diarrhoea, inhibited percentage of diarrhoea, and decreased both the volume and weight of intestinal contents. Rates of intestinal fluid accumulation inhibition were(33.61 ± 1.00)% and(46.44 ± 0.89)% at Me-RCR doses of 200 and 400 mg/kg·bw, respectively. Moreover, a significant(P strointestinal motility was observed. An absorption, distribution, metabolism, excretion and/or toxicity(ADME/T) test showed that the selected compounds yielded promising results, satisfying Lipinski's rule of five for predicting drug-like potential. Notably, of the three phytoconstituents curculigine and isocurculigine possessed the highest affinity for the COX-1 and COX-2. Isocurculigine was also identified as the most effective anti-diarrheal compound in the computer-facilitated model.Conclusion: An extract of the plant C. recurvata showed potential analgesic and antidiarrheal act

关键词： analgesic anti-diarrheal anti-nociceptive curculigine Curculigo recurvata isocurculigine

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