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Search Results: 1 - 10 of 149641 matches for " Bid H "
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Study of vitamin-D receptor (VDR) gene start codon polymorphism (Fok I) in healthy individuals from North India
Bid H,Mittal R
Indian Journal of Human Genetics , 2003,
Abstract: The vitamin D receptor (VDR) gene Fok I polymorphism represents a strong positional candidate susceptibility gene for different diseases like Prostate cancer, Urolithiasis, Inflammatory bowl disease and Osteoporosis. This genetic variation has also been of great interest due to its possible association with polygenic diseases. Allelic frequencies of the F/f start codon polymorphism of VDR gene vary among populations but there is no data regarding its distribution from India. The present study was carried out to determine the normal distribution of VDR gene Fok I polymorphism by using a PCR-based restriction analysis in unrelated normal healthy individuals from North India. We obtained an allelic frequency of 71.5% and 28.5% for (F) and (f) allele and the percentage of genotypes FF, Ff and ff as 46%, 51% and 3% respectively. Our results suggest that the frequency and distribution of this polymorphism in Indian population is substantially different from other populations and ethenic groups.
E-endocrinology: An update
Konwar R,Singh M,Bid H
Indian Journal of Medical Sciences , 2008,
Abstract: Internet, from a long time, has opened up a myriad resource of knowledge and applications for academicians, researchers and clinicians alike in all health care professions across the globe. Basic endocrinologists are exploring through bench-top protocols to understand endocrine system and to design therapeutic interventions. Clinicians are required to continuously look for new developments relating to investigation, diagnosis and therapeutic options in their everyday practice for better quality of life of patients. All these require managing a large body of information. Now, these innovative technologies have opened up newer avenues for endocrinologists. As internet is serving the backbone for modern technologies, it is of utmost necessity to use and refine internet applications for future endocrinologists. Increasingly, easy access to internet has dramatically reduced barriers in sharing information among basic and clinical endocrinologists. Considering the growing scope for endocrinologists in the use of internet, it is necessary to understand internet as a source of information and backbone of modern applications. This review illustrates the expanding roles of the internet for endocrinologists and provides a ready-to-use compilation of useful academic, research, clinical resources, and is expected to introduce, stimulate and guide endocrinologists into the realm of WWW.
Endocrinological cancers and the internet
Bid H,Konwar R,Kumar S
Indian Journal of Cancer , 2009,
Abstract: Endocrine cancers are some of the commonest forms of cancer getting mention as early as in old papyruses of Egypt. Our current knowledge about this cluster of cancer has grown immensely with improved survival rates. In the era of specialization and super specialization, we started peeking into these conditions more elaborately and beyond microscopically. The growing awareness demanded categorization of information into disease basics like molecular pathology of initiation and progression; advanced diagnostics; new therapeutic options; patient awareness and involvement in clinical trials. Recent advances in genomics and hereditary counseling have delineated pre-disease forecasting possibilities. With advanced diagnostics and therapeutic modalities, we saw an increase in cancer survivors demanding extra care and moral support. Throughout these developments, we went through a boost in global information communications, the main thrust being the Internet. Networking of computers globally generated a platform that created a ripple of knowledge far and wide. The purpose of this review is to investigate how the Internet is supporting the growth and development of the field of endocrine cancer, and present and future scope of the Internet as a tool for professionals involved in this area. The information furnished here were collected from cited references as well as all websites mentioned in the tables.
Association of glutathione S-transferase (GSTM1, T1 and P1) gene polymorphisms with type 2 diabetes mellitus in north Indian population
Bid H,Konwar R,Saxena M,Chaudhari P
Journal of Postgraduate Medicine , 2010,
Abstract: Background: Diabetes mellitus is associated with an increased production of reactive oxygen species (ROS) and a reduction in antioxidant defense. The oxidative stress becomes evident as a result of accumulation of ROS in conditions of inflammation and Type 2 diabetes mellitus (T2DM). The genes involved in redox balance, which determines the susceptibility to T2DM remain unclear. In humans, the glutathione S-transferase (GST) family comprises several classes of GST isozymes, the polymorphic variants of GSTM1, T1 and P1 genes result in decreased or loss of enzyme activity. Aims: The present study evaluated the effect of genetic polymorphisms of the GST gene family on the risk of developing T2DM in the North Indian population. Settings and Design: GSTM1, T1 and P1 polymorphisms were genotyped in 100 T2DM patients and 200 healthy controls from North India to analyze their association with T2DM susceptibility. Materials and Methods: Analysis of GSTM1 and GSTT1 gene polymorphisms was performed by multiplex polymerase chain reaction (PCR) and GSTP1 by PCR-Restriction Fragment Length Polymorphism (RFLP). Statistical Analysis: Fisher′s exact test and χ2 statistics using SPSS software (Version-15.0). Results: We observed significant association of GSTM1 null (P=0.004, OR= 2.042, 95%CI= 1.254-3.325) and GSTP1 (I/V) (P=0.001, OR= 0.397, 95%CI=0.225-0.701) with T2DM and no significant association with GSTT1 (P=0.493). The combined analysis of the three genotypes GSTM1 null, T1 present and P1 (I/I) demonstrated an increase in T2DM risk (P= 0.005, OR= 2.431 95% CI=1.315-4.496). Conclusions: This is the first study showing the association of a combined effect of GSTM1, T1 and P1 genotypes in a representative cohort of Indian patients with T2DM. Since significant association was seen in GSTM1 null and GSTP1 (I/V) and multiple association in GSTM1 null, T1 present and P1 (I/I), these polymorphisms can be screened in the population to determine the diabetic risk.
Rese as de Libros
Héctor Vega Deloya,Gonzalo Ruiz Bidón,Francisco de Paula Villatoro Sánchez,Gema León Ravina
Historia Actual Online , 2009,
Abstract: - Arizpe, Lourdes, Culturas en movimiento: Interactividad cultural y procesos globales. México, Cámara de los diputados LIX Legislatura, UNAM, CRIM, Editorial Miguel ángel Porrúa, 2006, 368 pp.Páginas 203-206Héctor Vega Deloya- Cárcel Ortí, Vicente, La Iglesia y la transición espa ola. Valencia, Edicep C. B., 2003, 342 pp.Páginas 206-207Gonzalo Ruiz Bidón- Chaput, Marie-Claude (éd.), De l′anarquisme aux courants alternatifs (XIX-XXIe siècles). Régards 9, París, Publidix, Université de Paris X-Nanterre, 2006, 460 pp.Páginas 208-210Francisco de Paula Villatoro Sánchez- Chuse, Loren, Mujer y flamenco. Sevilla, Signatura Ediciones, 2007, 228 pp.Páginas 210-212Gema León Ravina- Cores Trasmonte, Baldomero; Luis Porteiro Garea, A Coru a, TresCtres, 2005, 260 pp.Páginas 212-213Israel Sanmartín Barros- Díez Torre, Alejandro R., Trabajan para la eternidad. Colectividades de Trabajo y Ayuda Mutua durante la Guerra Civil en Aragón. Madrid, La Malatesta Editorial, Prensas Universitarias de Zaragoza, 2009, 540 pp.Páginas 213-216José Luis Gutiérrez Molina- Gonin, Jean Marc; Guez, Olivier, La caída del Muro de Berlín, Madrid, Alianza Editorial, 2009, 367 pp.Páginas 216-217Ma del Rocío Pi eiro álvarez- Hardy, Jane, Poland′s new capitalism, London, Pluto Press, 2009, 258 pp.Páginas 217-218Daniel Alcalde Güelfo- Kaplan, Robert D., Por tierra, mar y aire. Las huellas globales del ejército americano. Barcelona, Ediciones B, 2008, 542 pp.Páginas 218-220David Molina Rabadán- Martínez, Jesús Manuel, Salvador Allende. Oviedo, Ediciones Nobel, 2009, 402 pp.Páginas 220-223Juan Gustavo Nú ez Olguín- Travaglio, Marco, La scomparsa dei fatti. Milano, Collana Pamphlet, Il Sagiatore, 2006, 316 pp.Páginas 223-225Flavia Pascariello- Zertal, Idith; Eldar, Akiva, Lords of the Land: The War for Israeli′s Settlements in The Occupied Territories, 1967-2007. Nueva York, Nation Books, 2009, 531 pp.Páginas 225-227Javier Lión Bustillo
El poder de la palabra
Becerra Bid?g?ma Eudocio
Forma y Función , 1998,
Abstract: El presente escrito es una reflexión realizada por un hablante nativo de la variedad bue de la familia uitoto, acerca de la concepción de la palabra para su cultura. Presenta a este respecto los testimonios de personajes importantes de la sociedad uitoto, así como una narración y un conjuro que dan cuenta del sentido que, para los uitotos, tiene la palabra.
Positiveness and Pauli exception principle in raw Bloch equations for quantum boxes
Brigitte Bidégaray-Fesquet
Physics , 2008, DOI: 10.1016/j.aop.2010.05.003
Abstract: The aim of this paper is to derive a raw Bloch model for the interaction of light with quantum boxes in the framework of a two-electron-species (conduction and valence) description. This requires a good understanding of the one-species case and of the treatment of level degeneracy. In contrast with some existing literature we obtain a Liouville equation which induces the positiveness and the boundedness of solutions, that are necessary for future mathematical studies involving higher order phenomena.
Effect of ambient on the resistance fluctuations of graphene
Kazi Rafsanjani Amin,Aveek Bid
Physics , 2015, DOI: 10.1063/1.4919793
Abstract: In this letter we present the results of systematic experimental investigations of the effect of different chemical environments on the low frequency resistance fluctuations of single layer graphene field effect transistors (SLG-FET). The shape of the power spectral density of noise was found to be determined by the energetics of the adsorption-desorption of molecules from the graphene surface making it the dominant source of noise in these devices. We also demonstrate a method of quantitatively determining the adsorption energies of chemicals on graphene surface based on noise measurements. We find that the magnitude of noise is extremely sensitive to the nature and amount of the chemical species present. We propose that a chemical sensor based on the measurement of low frequency resistance fluctuations of single layer graphene field effect transistor devices will have extremely high sensitivity, very high specificity, high fidelity and fast response times.
High performance sensors based on resistance fluctuations of single layer graphene transistors
Kazi Rafsanjani Amin,Aveek Bid
Physics , 2015, DOI: 10.1021/acsami.5b05922
Abstract: One of the most interesting predicted applications of graphene monolayer based devices is as high quality sensors. In this letter we show, through systematic experiments, a chemical vapor sensor based on the measurement of low frequency resistance fluctuations of single layer graphene field-effect-transistor (SLG-FET) devices. The sensor has extremely high sensitivity, very high specificity, high fidelity and fast response times. The performance of the device using this scheme of measurement (which uses resistance fluctuations as the detection parameter) is more than two orders of magnitude better than a detection scheme where changes in the average value of the resistance is monitored. We propose a number-density fluctuation based model to explain the superior characteristics of noise measurement based detection scheme presented in this article.
Von Neumann Stability Analysis of Finite Difference Schemes for Maxwell--Debye and Maxwell--Lorentz Equations
Brigitte Bidégaray-Fesquet
Mathematics , 2008,
Abstract: This technical report yields detailed calculations of the paper [1] (B. Bid\'egaray-Fesquet, "Stability of FD-TD schemes for Maxwell-Debye and Maxwell-Lorentz equations", Technical report, LMC-IMAG, 2005) which have been however automated since (see http://ljk.imag.fr/membres/Brigitte.Bidegaray/NAUtil/). It deals with the stability analysis of various finite difference schemes for Maxwell--Debye and Maxwell--Lorentz equations. This work gives a systematic and rigorous continuation to Petropoulos previous work [5] (P.G. Petropoulos.,"Stability and phase error analysis of FD-TD in dispersive dielectrics", IEEE Transactions on Antennas and Propagation, 42(1):62--69, 1994).
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