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Search Results: 1 - 10 of 79 matches for "   Sumitra "
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Antimicrobial Activity of Polyalthia longifolia (Sonn.) Thw. var. Pendula Leaf Extracts Against 91 Clinically Important Pathogenic Microbial Strains  [PDF]
Sumitra Chanda, Rathish Nair
Chinese Medicine (CM) , 2010, DOI: 10.4236/cm.2010.12006
Abstract: The methanol, acetone and 1,4-dioxan fractions of leaves of Polyalthia longifolia (Sonn.) Thw. were evaluated for antibacterial and antifungal activity. 91 clinically important strains were used for the study which were both clinical isolates as well as identified strains. Piperacillin and gentamicin were used as standards for antibacterial assay, while nystatin and flucanazole were used as standards for antifungal assay. The antibacterial activity was more pronounced against gram positive bacterial and fungal strains. Poor activity was shown against gram negative bacterial strains studied.
Common New Fixed Point Theorem in Modified Intuitionistic Fuzzy Metric Spaces Using Implicit Relation  [PDF]
Saurabh Manro, Sumitra  
Applied Mathematics (AM) , 2013, DOI: 10.4236/am.2013.49A005
Abstract:

In this paper, we prove some common fixed point theorems for two pair of compatible and subsequentially continuous mappings satisfying an implicit relation in Modified Intuitionistic fuzzy metric spaces. Consequently, our results improve and sharpen many known common fixed point theorems available in the existing literature of metric fixed point theory.

Fixed Point Theorem for Maps Satisfying a General Contractive Condition of Integral Type  [PDF]
  Sumitra, Saurabh Manro
Advances in Pure Mathematics (APM) , 2014, DOI: 10.4236/apm.2014.43013
Abstract:

The aim of this paper is to prove common fixed point theorems for variants of weak compatible maps in a complex valued-metric space. In this paper, we generalize various known results in the literature using (CLRg) property. The concept of (CLRg) does not require a more natural condition of closeness of range.

Resource Constraints as a Barrier to Lung Cancer Management: Developing Nations  [PDF]
Sumitra Thongprasert, Unchalee Permsuwan
Health (Health) , 2014, DOI: 10.4236/health.2014.69106
Abstract: Resource constraints are a major barrier to lung cancer management, especially in ASIAN developing countries. The availability of data in these issues is very limited. Therefore, this survey was initiated in order to understand the situation of resource constraints in ASIAN developing nations. A 17-item, self-administered, online questionnaire was developed and distributed to IASLC members in ASIAN countries in May-June 2013. A questionnaire was composed of 2 sections: general and specific information focusing on several issues related to resource constraints such as lagging period of new cancer drug approval, economic data submission, man power, availability and accessibility to diagnosis and treatment, waiting time, and payment. There were a total of 75 respondents from China, India, Indonesia, Malaysia, Nepal, Philippines, and Thailand. The findings of this survey demonstrate that ASIAN developing countries still need the improvement in their resources such as man power, diagnostic procedures, and treatment especially new agents like targeted drugs.
Coincidence and Common Fixed Point of Weakly Compatible Maps in Fuzzy Metric Space  [PDF]
Saurabh Manro, Sumitra  
Applied Mathematics (AM) , 2014, DOI: 10.4236/am.2014.59126
Abstract:

The aim of this paper is to establish some new common fixed point theorems for generalized contractive maps in fuzzy metric space by using property (E.A.), common property (E.A.), JCLRST property and CLRS property. Our results improve and extend the results of Chauhan et al. [1] and Sedghi et al. [2] besides several known results. We also furnish an illustrative example in support of our results.

Study of Fixed Point Theorems for Higher Dimension in Partially Ordered Metric Spaces  [PDF]
Ibtisam Masmali, Sumitra Dalal
Applied Mathematics (AM) , 2016, DOI: 10.4236/am.2016.75037
Abstract: In this paper, we establish the existence and uniqueness of fixed points of operator \"\", when n is an arbitrary positive integer and X is a partially ordered complete metric space. We have shown examples to verify our work. Our results generalize the recent fixed point theorems cited in [1]-[4] etc. and include several recent developments.
A Retrospective Study of Impact of PPTCT on HIV Trends, Maternal and Perinatal Outcome  [PDF]
Anjali Malhotra, Sumitra Yadav
World Journal of AIDS (WJA) , 2016, DOI: 10.4236/wja.2016.64020
Abstract: Background: Women diagnosed with HIV/AIDS may transmit the infection to their child during pregnancy. The infection may spread during pregnancy, childbirth, or breastfeeding. However, the risk of mother-to-child transmission of HIV may be reduced by the use of HIV medications known as antiretroviral therapy (ART). Infection with HIV/AIDS is not a contraindication to pregnancy. Some women are unaware they have the disease until they become pregnant. In this case, they should begin antiretroviral therapy as soon as possible [1]. With the appropriate treatment, the risk of mother-to-child infection can be reduced to below 1% [2]. Without treatment, the risk of transmission is 15% - 45% [3]. Objective: The main aim of the study is to appreciate the declining trend of HIV in babies with HIV positive mother by implementation of PPTCT services. Methods: A retrospective study of detection of HIV positive mothers among all the antenatal patients attending OPD and including the patients coming in Emergency services and delivered in Department of Obstetrics and Gynecology at MGMMC & M. Y. Hospital, Indore, Madhya Pradesh (India) from Jan 2006 to Dec 2015 was included in the study. They were screened for HIV status and further management of all HIV positive patients.
LAXATIVE ACTIVITY OF A COMBINATION TABLET OF SENNA EXTRACT ALONG WITH A CARMINATIVE OIL
Sumitra Singh
International Journal of Pharmaceutical Research and Development , 2010,
Abstract: Senna has been widely used for its laxative activity for relieving constipation but reported to be associated with side effects like gripping and colic pain in some patients. The present work aims to prepare tablet of senna along with ajwain oil to overcome this problem. Significant laxative activity of the combination tablet was observed on test animals
Some incomplete and boundedly complete families of discrete distributions
Sumitra Purkayastha
Statistics , 2009,
Abstract: We present a general result giving us families of incomplete and boundedly complete families of discrete distributions. For such families, the classes of unbiased estimators of zero with finite variance and of parametric functions which will have uniformly minimum variance unbiased estimators with finite variance are explicitly characterized. The general result allows us to construct a large number of families of incomplete and boundedly complete families of discrete distributions. Several new examples of such families are described.
Antimicrobial Activity of Terminalia catappa L. Leaf Extracts against Some Clinically Important Pathogenic Microbial Strains  [PDF]
Sumitra Chanda, Kalpna Rakholiya, Rathish Nair
Chinese Medicine (CM) , 2011, DOI: 10.4236/cm.2011.24027
Abstract: Objective: The present study was undertaken to evaluate in-vitro antimicrobial activity of methanol, acetone and N, N-dimethylformamide extracts from leaf of Terminalia catappa L. (Combretaceae). Methods: In vitro antimicrobial activity of all the extracts was done by agar disc diffusion assay. 91 clinically important strains were used for the study, which were both clinical isolates as well as identified strains. Piperacillin and gentamicin were used as standards for antibacterial assay, while nystatin and flucanazole were used as standards for antifungal assay. Antimicrobial activity was determined by measurement of inhibition zone around each paper disc. For each extract three replicate trials were conducted against each organism. Results: The antibacterial activity was more pronounced against bacteria than fungal strains. The Gram positive bacteria were more susceptible than Gram negative bacteria. The methanol extract showed best antibacterial activity. T. catappa leaf extracts showed better antibacterial activity than commercially used antibiotics. Conclusion: Demonstration of antimicrobial activity of T. catappa provides the scientific basis for the use of this plant in the traditional treatment of diseases and may help to discover new chemical classes of antibiotic substances that could serve as selective agents for infectious disease chemotherapy and control. This investigation has opened up the possibility of the use of this plant in drug development for human consumption possibly for the treatment of various infections caused by microbes.
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