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Search Results: 1 - 10 of 5356 matches for " Priti Roy "
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Spatio-Temporally Restricted Expression of Cell Adhesion Molecules during Chicken Embryonic Development
Priti Roy, Amitabha Bandyopadhyay
PLOS ONE , 2014, DOI: 10.1371/journal.pone.0096837
Abstract: Differential cell adhesive properties are known to regulate important developmental events like cell sorting and cell migration. Cadherins and protocadherins are known to mediate these cellular properties. Though a large number of such molecules have been predicted, their characterization in terms of interactive properties and cellular roles is far from being comprehensive. To narrow down the tissue context and collect correlative evidence for tissue specific roles of these molecules, we have carried out whole-mount in situ hybridization based RNA expression study for seven cadherins and four protocadherins. In developing chicken embryos (HH stages 18, 22, 26 and 28) cadherins and protocadherins are expressed in tissue restricted manner. This expression study elucidates precise expression domains of cell adhesion molecules in the context of developing embryos. These expression domains provide spatio-temporal context in which the function of these genes can be further explored.
Host Pathogen Interactions with Recovery Rate: A Mathematical Study
Priti Kumar Roy,Biplab Chattopadhyay
Lecture Notes in Engineering and Computer Science , 2010,
Host Pathogen Interactions: Insight of Delay Response Recovery and Optimal Control in Disease Pathogenesis
Priti Kumar Roy,Jayanta Mondal
Engineering Letters , 2010,
Mathematical Modeling on Immunopathogenesis in Chronic Plaque of Psoriasis: A Theoretical Study
Priti Kumar Roy,Jhumpa Bhadra,Biplab Chattopadhyay
Lecture Notes in Engineering and Computer Science , 2010,
T-cell Proliferation in a Mathematical Model of CTL Activity Through HIV-1 Infection
Priti Kumar Roy,Amar Nath Chatterjee
Lecture Notes in Engineering and Computer Science , 2010,
HIV Infection in T-lymphocytes and Drug Induced CTL Response of a Time Delayed Model
Priti Kumar Roy,Amar Nath Chatterjee,Biplab Chattopadhyay
Lecture Notes in Engineering and Computer Science , 2010,
A Genome-Wide Screen Indicates Correlation between Differentiation and Expression of Metabolism Related Genes
Priti Roy, Brijesh Kumar, Akhilesh Shende, Anupama Singh, Anil Meena, Ritika Ghosal, Madhav Ranganathan, Amitabha Bandyopadhyay
PLOS ONE , 2013, DOI: 10.1371/journal.pone.0063670
Abstract: Differentiated tissues may be considered as materials with distinct properties. The differentiation program of a given tissue ensures that it acquires material properties commensurate with its function. It may be hypothesized that some of these properties are acquired through production of tissue-specific metabolites synthesized by metabolic enzymes. To establish correlation between metabolism and organogenesis we have carried out a genome-wide expression study of metabolism related genes by RNA in-situ hybridization. 23% of the metabolism related genes studied are expressed in a tissue-restricted but not tissue-exclusive manner. We have conducted the screen on whole mount chicken (Gallus gallus) embryos from four distinct developmental stages to correlate dynamic changes in expression patterns of metabolic enzymes with spatio-temporally unique developmental events. Our data strongly suggests that unique combinations of metabolism related genes, and not specific metabolic pathways, are upregulated during differentiation. Further, expression of metabolism related genes in well established signaling centers that regulate different aspects of morphogenesis indicates developmental roles of some of the metabolism related genes. The database of tissue-restricted expression patterns of metabolism related genes, generated in this study, should serve as a resource for systematic identification of these genes with tissue-specific functions during development. Finally, comprehensive understanding of differentiation is not possible unless the downstream genes of a differentiation cascade are identified. We propose, metabolic enzymes constitute a significant portion of these downstream target genes. Thus our study should help elucidate different aspects of tissue differentiation.
Unaccustomed Earth : A Narrative Of Displacement And Dilemma
Priti Kanodia
Golden Research Thoughts , 2012, DOI: 10.9780/22315063
Abstract: Soon likewise, my old native town will loom upon me through the haze of memory, a mist brooding over and around it; as if it were no portion of the real earth, but an overgrown village in cloud-land...Henceforth, it ceases to be a reality of my life. I am a citizen of somewhere else.- Nathaniel HawthorneAmerica was conceived in a spirit of openness, as a land where people could build new identities, grounded in the present and future, not the past. This dream, despite current fears of being under doubt of having foreign sounding names and subjecting visitors to the indignity of being fingerprinted has been in great part made real. It is a place where the rest of the world comes to reinvent itself accepting with excitement and anxiety the need of leaving behind strains, limitations (constrictions) and comforts of distant customs. This happens to be the underlying theme of Jhumpa Lahiri's new collection of stories, Unaccustomed Earth. The author portrays in these stories two generations of Bengali immigrants to America. The newcomers and their hyphenated children struggle to build normal and secure lives. Is it true that transplanting strengthens plant? Or can search experiments produce mixed outcomes? This paper intends to explore the answers to these and many more related questions in the title story of this book.
Personal knowledge management: the foundation of organisational knowledge management
Priti Jain
South African Journal of Libraries and Information Science , 2011, DOI: 10.7553/77-1-62
Abstract: The purpose of this small-scale study was to explore how people perceived Personal Knowledge Management (PKM), whether people were aware of the PKM concept, and how PKM can have an impact on organisational knowledge management and productivity. A questionnaire survey with quantitative and qualitative questions was used. The study revealed that a majority (63%) of respondents were not aware of the PKM concept; 33% were aware, while 2% had a vague idea about it. Eighty three (83%) felt that it was important to manage personal knowledge and that PKM could increase individual productivity and organisational performance. The major recommendations included creating awareness about PKM. It should be at the heart of each employee-development programme, alignment of personal and organisational goals and adequate facilities and training in PKM.
Introduction To Dividend Policy Of Company
Priti Aggarwal
Golden Research Thoughts , 2013, DOI: 10.9780/22315063
Abstract: Dividend policy is the set of guidelines a company uses to decide how much of its earnings it will pay out to shareholders. When a company earns profits from operations, management can do one of two things with those profits. It can choose to retain them - essentially reinvesting them into the company with the hope of creating more profits and thus further stock appreciation. The alternative is to distribute a portion of the profits to shareholders in the form of dividends. The present paper highlight different approaches of dividend policy which are residual, hybrid and stability dividend approach. Companies using the residual dividend policy choose to rely on internally generated equity to finance any new projects. As a result, dividend payments can come out of the residual or leftover equity only after all project capital requirements are met. The fluctuation of dividends created by the residual policy significantly contrasts with the certainty of the dividend stability policy. With the stability policy, quarterly dividends are set at a fraction of yearly earnings. This policy reduces uncertainty for investors and provides them with income. Using the hybrid approach; companies tend to view the debt/equity ratio as a long-term rather than a short-term goal. In this paper cash dividend and procedure for payment of dividend explained. A cash dividend is money paid to stockholders, normally out of the corporation's current earnings or accumulated profits. Not all companies pay a dividend. Usually, the board of directors determines. Steps followed in the payment of dividend is- Ex-dividend date, declaration date, holder of record date, payment date.
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