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CHEMICAL REACTION EFFECT ON AN UNSTEADY MHD CONVECTIVE FLOW PAST AN INFINITE VERTICAL MOVING PLATE EMBEDDED IN A POROUS MEDIUM WITH HEAT SOURCE
Sharadha -
Journal of Global Research in Mathematical Archives , 2013,
Abstract: Numerical solutions for heat and mass transfer by laminar flow of a Newtonian, viscous, electrically conducting fluid on a continuously vertical permeable surface in the presence of a heat source, a first – order homogeneous chemical reaction and the mass flux are reported. The plate is assumed to move with a constant velocity in the direction of fluid flow. A uniform magnetic field acts perpendicular to the porous surface, which absorbs the fluid with a suction velocity varying with time. The dimensionless governing equations for this investigation are solved numerically by Finite difference method. Graphical results for velocity, temperature and concentration profiles of both phases based on the numerical solutions are presented and discussed. Keywords: Chemical reaction, Unsteady, MHD, Heat and mass transfer, Vertical porous plate, Heat source, Finite difference method.
A rare case of term viable secondary abdominal pregnancy following rupture of a rudimentary horn: a case report
Bhandary Amritha, Thirunavukkarasu Sumangali, Ballal Priya, Shedde Deepak, Rai Sharadha
Journal of Medical Case Reports , 2009, DOI: 10.1186/1752-1947-3-38
Abstract: This is a case report of a 22-year-old primigravida with an abdominal pregnancy from a ruptured rudimentary horn. She was diagnosed as a case of term pregnancy with placenta previa with a transverse fetal lie and cervical fibroid and was prepared for an elective cesarean section. Intra-operatively, a live term female baby was extracted from the peritoneal cavity and it turned out to be an abdominal pregnancy from a ruptured rudimentary horn of a unicornuate uterus, which is a very rare condition. Mother and baby were in good condition after such a catastrophic event.This case illustrates a rare obstetric condition which can be a severe catastrophic condition leading to maternal mortality and morbidity. It is imperative for every obstetrician to have in mind the possibility of abdominal pregnancy, although rare, especially in pregnant patients with persistent abdominal pain and painful fetal movements.An abdominal pregnancy is defined as an ectopic pregnancy that implants in the peritoneal cavity. Early abdominal pregnancy is self-limited by hemorrhage from trophoblastic invasion with complete abortion of the gestational sac that leaves a discrete crater. Advanced abdominal pregnancy is a rare event, with high fetal and maternal morbidity and mortality. It still remains a diagnostic and therapeutic challenge for every obstetrician and usually occurs after tubal abortion or rupture. Very rarely, it occurs following rupture of a rudimentary horn. We report a rare case of a term viable abdominal pregnancy following rupture of a rudimentary horn.A 22-year-old primigravida presented to the obstetrics department at 22 weeks gestation with a painful abdomen of 10 days duration. Her early pregnancy was uneventful and ultrasound examination had not been performed in the first trimester. On examination, her vital signs were stable and tenderness was present in the right iliac fossa and right lumbar region. The height of the uterus corresponded to 28 weeks gestation. Ultrasound
Comparative Genomic Analysis of Human Fungal Pathogens Causing Paracoccidioidomycosis
Christopher A. Desjardins,Mia D. Champion,Jason W. Holder,Anna Muszewska,Jonathan Goldberg,Alexandre M. Bail?o,Marcelo Macedo Brigido,Márcia Eliana da Silva Ferreira,Ana Maria Garcia,Marcin Grynberg,Sharvari Gujja,David I. Heiman,Matthew R. Henn,Chinnappa D. Kodira,Henry León-Narváez,Larissa V. G. Longo,Li-Jun Ma,Iran Malavazi,Alisson L. Matsuo,Flavia V. Morais,Maristela Pereira,Sabrina Rodríguez-Brito,Sharadha Sakthikumar,Silvia M. Salem-Izacc,Sean M. Sykes,Marcus Melo Teixeira,Milene C. Vallejo,Maria Emília Machado Telles Walter,Chandri Yandava,Sarah Young,Qiandong Zeng,Jeremy Zucker,Maria Sueli Felipe,Gustavo H. Goldman,Brian J. Haas,Juan G. McEwen,Gustavo Nino-Vega,Rosana Puccia,Gioconda San-Blas,Celia Maria de Almeida Soares,Bruce W. Birren,Christina A. Cuomo
PLOS Genetics , 2011, DOI: 10.1371/journal.pgen.1002345
Abstract: Paracoccidioides is a fungal pathogen and the cause of paracoccidioidomycosis, a health-threatening human systemic mycosis endemic to Latin America. Infection by Paracoccidioides, a dimorphic fungus in the order Onygenales, is coupled with a thermally regulated transition from a soil-dwelling filamentous form to a yeast-like pathogenic form. To better understand the genetic basis of growth and pathogenicity in Paracoccidioides, we sequenced the genomes of two strains of Paracoccidioides brasiliensis (Pb03 and Pb18) and one strain of Paracoccidioides lutzii (Pb01). These genomes range in size from 29.1 Mb to 32.9 Mb and encode 7,610 to 8,130 genes. To enable genetic studies, we mapped 94% of the P. brasiliensis Pb18 assembly onto five chromosomes. We characterized gene family content across Onygenales and related fungi, and within Paracoccidioides we found expansions of the fungal-specific kinase family FunK1. Additionally, the Onygenales have lost many genes involved in carbohydrate metabolism and fewer genes involved in protein metabolism, resulting in a higher ratio of proteases to carbohydrate active enzymes in the Onygenales than their relatives. To determine if gene content correlated with growth on different substrates, we screened the non-pathogenic onygenale Uncinocarpus reesii, which has orthologs for 91% of Paracoccidioides metabolic genes, for growth on 190 carbon sources. U. reesii showed growth on a limited range of carbohydrates, primarily basic plant sugars and cell wall components; this suggests that Onygenales, including dimorphic fungi, can degrade cellulosic plant material in the soil. In addition, U. reesii grew on gelatin and a wide range of dipeptides and amino acids, indicating a preference for proteinaceous growth substrates over carbohydrates, which may enable these fungi to also degrade animal biomass. These capabilities for degrading plant and animal substrates suggest a duality in lifestyle that could enable pathogenic species of Onygenales to transfer from soil to animal hosts.
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