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Search Results: 1 - 10 of 1872 matches for " Sadat Iqbal "
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Inappropriate Use of Gastric Acid Suppression Therapy in Hospitalized Patients with Clostridium difficile—Associated Diarrhea: A Ten-Year Retrospective Analysis
Sadat Rashid,Dhyan Rajan,Javed Iqbal,Seth Lipka
ISRN Gastroenterology , 2012, DOI: 10.5402/2012/902320
Abstract:
REKAYASA CONTENT MANAGEMENT SYSTEM (CMS) JOOMLA BERBASIS OPEN SOURCE UNTUK PENGEMBANGAN SISTEM INFORMASI BERBASIS ONLINE
. Iqbal
Jurnal Informatika , 2012,
Abstract: Pada umumnya para pengguna CMS Joomla dalam membuat website hanya menggunakan fitur-fitur standar (seperti sistem konten, web links, contact forms) yang ada pada CMS Joomla tanpa melakukan pengembangan dari fitur-fitur tersebut. Hal ini akan menjadi suatu masalah jika fitur yang diinginkan belum terdapat pada CMS Joomla. Saat ini banyak pengembang web yang cenderung menggunakan CMS karena kemudahannya. Hal ini juga memungkinkan pengembangan CMS untuk sistem informasi berbasis online, namun belum ada pengembang CMS yang menyediakan komponen atau fitur sistem informasi berbasis online. Sehingga tujuan penelitian ini adalah pengembangan CMS yang difokuskan dalam hal penambahan fitur berupa component dan module sistem informasi online.
RETRACTED: Wavelet Packet Frames on a Half Line Using the Walsh-Fourier Transform  [PDF]
J. Iqbal
American Journal of Computational Mathematics (AJCM) , 2013, DOI: 10.4236/ajcm.2013.31011
Abstract: Short Retraction Notice

The paper does not meet the standards of \"American Journal of Computational Mathematics\".

This article has been retracted to straighten the academic record. In making this decision the Editorial Board follows COPE's Retraction Guidelines. The aim is to promote the circulation of scientific research by offering an ideal research publication platform with due consideration of internationally accepted standards on publication ethics. The Editorial Board would like to extend its sincere apologies for any inconvenience this retraction may have caused.

Editor guiding this retraction: Prof. Hari M. Srivastava (EiC of AJCM)

The full retraction notice in PDF is preceding the original paper, which is marked \"RETRACTED\".

Transthyretin—A Key Gene Involved in Regulating Learning and Memory in Brain, and Providing Neuroprotection in Alzheimer Disease via Neuronal Synthesis of Transthyretin Protein  [PDF]
Javed Iqbal
Journal of Behavioral and Brain Science (JBBS) , 2018, DOI: 10.4236/jbbs.2018.82005
Abstract: Transthyretin (TTR), a carrier protein present in the liver and choroid plexus of the brain, has been shown to be responsible for binding thyroid hormone thyroxin (T4) and retinol in plasma and cerebrospinal fluid (CSF). TTR aids in sequestering of beta-amyloid peptides Aβ deposition, and protects the brain from trauma, ischemic stroke and Alzheimer disease (AD). Accordingly, hippocampal gene expression of TTR plays a significant role in learning and memory as well as in simulation of spatial memory tasks. TTR via interacting with transcription factor CREB regulates this process and decreased expression leads to memory deficits. By different signaling pathways, like MAPK, AKT, and ERK via Src, TTR provides tropical support through megalin receptor by promoting neurite outgrowth and protecting the neurons from traumatic brain injury. TTR is also responsible for the transient rise in intracellular Ca2+ via NMDA receptor, playing a dominant role under excitotoxic conditions. In this review, we tried to shed light on how TTR is involved in maintaining normal cognitive processes, its role in learning and memory, under memory deficit conditions; by which mechanisms it promotes neurite outgrowth; and how it protects the brain from Alzheimer disease (AD).
Confounders in Adenoma Detection at Initial Screening Colonoscopy: A Factor in the Assessment of Racial Disparities as a Risk for Colon Cancer  [PDF]
Yakira David, Lorenzo Ottaviano, Jihye Park, Sadat Iqbal, Michelle Likhtshteyn, Samir Kumar, Helen Lyo, Ayanna E. Lewis, Brandon E. Lung, Jesse T. Frye, Li Huang, Ellen Li, Jie Yang, Laura Martello, Shivakumar Vignesh, Joshua D. Miller, Michele Follen, Evan B. Grossman
Journal of Cancer Therapy (JCT) , 2019, DOI: 10.4236/jct.2019.104022
Abstract: Background and Aims: The incidence and mortality of colorectal cancer is persistently highest in Black/African-Americans in the United States. While access to care, barriers to screening, and poverty might explain these findings, there in increased interest in examining biological factors that impact the colonic environment. Our group is examining biologic factors that contribute to disparities in development of adenomas prospectively. In preparation for this and to characterize a potential patient population, we conducted a retrospective review of initial screening colonoscopies in a cohort of patients. Methods: A retrospective review was performed on initial average risk screening colonoscopies on patients (age 45 - 75 years) during 2012 at three institutions. Descriptive statistics and multivariable logistic regression models were used to examine the relationship between potential risk factors and the detection of adenomas. Results: Of the 2225 initial screening colonoscopies 1495 (67.2%) were performed on Black/African-Americans and 566 (25.4%) on Caucasians. Multivariable logistic regression revealed that older age, male sex, current smoking and teaching gastroenterologists were associated with higher detection of adenomas and these were less prevalent among Black/African-Americas except for age. Neither race, ethnicity, BMI, diabetes mellitus, HIV nor insurance was associated with adenoma detection. Conclusion: In this sample, there was no association between race and adenoma detection. While this may be due to a lower prevalence of risk factors for adenomas in this sample, our findings were
The Relationship between Maternal Environmental Tobacco Smoke Exposure during Pregnancy with Anthropometric Parameters of the Newborn
Z Sadat
Qom University of Medical Sciences Journal , 2012,
Abstract: Background and Objectives Maternal environmental tobacco smoke exposure (ETS) or passive smoking would be a risk factor for maternal and new born morbidity. This study was conducted to determine this relationship with in pregnant woman referring to Shabihkhani Maternity Hospital of kashan, Iran, during 2006-2007 Methods The study was carried out on 150 Nonsmoking pregnant women who were exposed to ETS greater than or equal to 5 cigarettes per day smoked by others in the mother's presence in all of pregnancy period as exposed group and 150 Nonsmoking pregnant women who were not exposed to ETS as the non-exposed group. Birth weight, height and head circumference were compared in the two groups and analyzed by t- and X2 tests. Results The mean birth weights in the exposed group and non exposed group were and 3137.5±437.8 and 3270±499.5 grams respectively, the t- test showed this difference to be significant (p=0.015). The mean birth height and head circumference in the two groups were not significantly different. Conclusion Nonsmoking pregnant women who were exposed to ETS gave 133 g reduction in birth weight compared to unexposed women. Further studies are needed to determine if ETS decreases birth height and birth head circumference
A Compiler Driven Simulation Technique for the Analysis of Digital Logic Circuit
Anwar Sadat
Journal of Applied Sciences , 2005,
Abstract: An interface technique for design and analysis of digital circuit has been devised and described in this study. Basically logic circuits are of two types, one combinational circuit and other is sequential circuit. Logic simulation usually means finding the transient response to a set of time-varying inputs. Simulation follows functional or behavioral level design. Behavioural simulation describes logic function and timing. Functional simulation describes the logic function of a system only but ignores the timing. A simulation program for giving output of digital logic circuits is available now-a-days. But, an approach taken here describes an efficient way to analyze both combinational and sequential circuit. To do this an algorithm has been developed. Finally, a program is coded in Turbo C language and tested for test cases to analyze and give output to that logic circuit.
Research on Query Disambiguation and Expansion for Cross-Language Information Retrieval
Fatiha Sadat
Communications of the IBIMA , 2010,
Abstract: Query disambiguation is considered as one of the most important methods in improving the effectiveness of information retrieval. By combining query expansion with dictionary-based translation and statistics-based disambiguation, in order to overcome query terms ambiguity, information retrieval should become much more efficient. In the present paper, we focus on query terms disambiguation via, a combined statistical method both before and after translation, in order to avoid source language ambiguity as well as incorrect selection of target translations. Query expansion techniques through relevance feedback were performed prior to either the first or the second disambiguation processes. We tested the effectiveness of the proposed combined method, by an application to a French-English Information Retrieval. Experiments involving TREC data collection revealed the proposed disambiguation and expansion methods to be highly effective.
Radiographic Contrast-Media-Induced Acute Kidney Injury: Pathophysiology and Prophylactic Strategies
Umar Sadat
ISRN Radiology , 2013, DOI: 10.5402/2013/496438
Abstract: Contrast-induced acute kidney injury (CI-AKI) is one of the most widely discussed and debated topics in cardiovascular medicine. With increasing number of contrast-media- (CM-) enhanced imaging studies being performed and growing octogenarian population with significant comorbidities, incidence of CI-AKI remains high. In this review, pathophysiology of CI-AKI, its relationship with different types of CM, role of serum and urinary biomarkers for diagnosing CI-AKI, and various prophylactic strategies used for nephroprotection against CI-AKI are discussed in detail. 1. Contrast-Induced Nephropathy Contrast-induced acute kidney injury (CI-AKI) is one of the most widely discussed and debated topics in cardiovascular medicine. This is because an increasing number of individuals are exposed to iodinated contrast media (CM) during imaging-based investigations for either diagnostic or interventional purposes. The changing demographics of population especially increasing life expectancy has resulted in larger octogenarian population with comorbidities such as hypertension (HTN), diabetes mellitus (DM), and renal and cardiovascular disease, all of which predispose to renal impairment [1]. An increase in the incidence of CI-AKI is therefore not surprising. Thus, it is important that more attention is given in order to understand the aetiology of CI-AKI and devise novel diagnostic methods and formulate effective prophylactic and therapeutic regimens to reduce its incidence. 2. Problems of Definition of CI-AKI Previously CI-AKI was defined as a condition characterized by acute and reversible renal failure of varying severity in patients exposed to intravascular CM and in the absence of other risk factors responsible for the change in renal function [2]. However, there were many problems with this definition. Firstly, renal failure may not be reversible [3]; secondly, there is no agreed threshold change in renal function to define a case; and thirdly, the CM may not be the sole but rather contributory factor to the renal impairment for a given patient. The problems with defining CI-AKI have hampered attempts to quantify its true burden and have led to conflicting estimates of its importance [4–6]. It would therefore be better to define a “case” in terms of clinical outcomes such as the need for dialysis or other intervention, rather than by the occurrence of a specific decline in the renal function. Today, CI-AKI is widely defined as an absolute increase in serum creatinine (SCr) of 0.5?mg/dL (44?μmol/L) or a relative increase of 25% from the baseline value, assessed
Clusters of Galaxies and Mass estimates
R. Sadat
Physics , 1997,
Abstract: The determination of galaxy cluster mass is of great importance since it is directly linked to the well- known problem of dark matter in the Universe and to the cluster baryon content. X-ray observations from satellites have enabled a better understanding of the physics occuring inside clusters, their matter content as well as a detailed description of their structure. In addition, the discovery of giant gravitational arcs and the lensing properties of clusters of galaxies represent the most exciting events in cosmology and have led to many new results on mass distribution. I review the different methods used to determine the mass in clusters of galaxies and discuss their accuracy and the implications for Cosmology.
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