Studying the effects of minimal length in large extra dimensional models in the jet + missing energy channels at hadron colliders

Theories of quantum gravity suggest the existence of a minimal length scale. We study the consequences of a particular implementation of the idea of a minimal length scale in the model of large extra dimensions, the ADD model. To do this we have looked at real graviton production in association with a jet at hadron colliders. In the minimal length scenario, the bounds on the effective string scale are significantly less stringent than those derived in the conventional ADD model, both at the upgraded Tevatron and at the Large Hadron Collider.Comment: Latex, 9 pages, 4 PS figs; final version to appear in Eur Phys J

Comparison of diagnostic accuracy of APRI and Transient Elastography for prediction of esophageal variceal bleed in liver cirrhosis

Background: Liver Cirrhosis is the end-stage for chronic liver disease. Repeated course of endoscopy is recommended, as this intervention is expensive and often poorly accepted by patients, there is a need for non-invasive methods to predicts the progression of portal hypertension as well as the presence and size of esophageal varices. This study was aimed to assess the APRI and Transient Elastography for predicting esophageal variceal bleed in cirrhotic patients. Objectives of the study were to study Diagnostic accuracy of APRI for Prediction of esophageal variceal bleed in liver cirrhosis, diagnostic accuracy of Transient Elastography for Prediction of esophageal variceal bleed in liver cirrhosis, comparison of diagnostic accuracy of APRI and Transient Elastography for Prediction of esophageal variceal bleed in liver cirrhosis. Methods: It was a Single centre, observational study in 35 patients of chronic liver disease. Patients were included in the study after fulfilling inclusion and exclusion criteria. CBC, LFT, KFT, SE, viral marker, USG whole abdomen, UGIE, Transient Elastography was done. APRI was calculated for every patient. Results: The APRI and Transient Elastography showed moderate diagnostic accuracy in predicting the presence of esophageal variceal bleed. Transient Elastography performed better for prediction of esophageal variceal bleed. Conclusions: The APRI and Transient Elastography showed moderate diagnostic accuracy in predicting the presence of esophageal variceal bleed. They help in starting prophylactic therapy earlier to prevent the bleeding and other complications of varices. These non-invasive parameters can also play an effective role in conjunction with endoscopy in predicting the presence of esophageal varices

A study of association of vitamin D deficiency and coronary artery disease

Background: Recently vitamin D has received great interests for its multiple effects on inflammatory system and potential role in atherothrombosis. Coronary artery disease (CAD) is one of the common causes of death and disability in developed countries. Experimental evidence points to the involvement of multiple factors in coronary plaque formation, including vitamin D. The study aimed to examine the association of coronary artery disease with vitamin D level.Methods: 140 patients of CAD (coronary artery disease) and 101 age and sex matched control were enrolled in the study and 25-hyroxyvitamin D (25(OH)D) concentration was measured. All participants were evaluated for presence of conventional risk factors for coronary artery disease. Association of vitamin D level was established after adjusting other risk factors using logistic regression analysis.Results: In our study vitamin D level is significantly lower in patient group (CAD patients) compared with control group (18.2±10.9 vs 28.8±21ng/mL). Vitamin D deficiency was present in 81.4% patient in CAD patients whereas 57.7% in control group. Vitamin D deficiency was found to be an independent predictor of CAD after adjusting effect of other risk factors like hypertension, diabetes, smoking, obesity, high blood cholesterol and level of physical activity with adjusted odds ratio (95% confidence interval) 2.695 (1.148-6.330).Conclusions: In present study patients of coronary artery disease had significantly low level of vitamin D as compared to individual without coronary artery disease. Vitamin D deficiency was found to be an independent predictor of CAD after adjusting other risk factors emphasizing that vitamin D can be a potential risk factor for development of coronary artery disease. 

Automation photometer of Hitachi U–2000 spectrophotometer with RS–232C–based computer

The interfacing of a commonly used spectrophotometer, the Hitachi U2000, through its RS–232C port to a IBM compatible computer is described. The hardware for data acquisation was designed by suitably modifying readily available materials, and the software was written using the C programming language. The various steps involved in these procedures are elucidated in detail. The efficacy of the procedure was tested experimentally by running the visible spectrum of a cyanine dye. The spectrum was plotted through a printer hooked to the computer. The spectrum was also plotted by transforming the abscissa to the wavenumber scale. This was carried out by using another module written in C. The efficiency of the whole set-up has been calculated using standard procedures

FPGA IMPLEMENTATION OF RED ALGORITHM FOR HIGH SPEED PUPIL ISOLATION

Iris recognition is an automated method of biometric identification that uses mathematical pattern-recognition techniques on video images of the irises of an individual’s eyes, whose complex random patterns are unique and can be seen from some distance. Modern iris recognition algorithms can be computationally intensive, yet are designed for traditional sequential processing elements, such as a personal computer. However, a parallel processing alternative using Field Programmable Gate Array offers an opportunity to speed up iris recognition. Within the means of this project, iris template generation with directional filtering, which is a computationally expensive, yet parallel portion of a modern iris recognition algorithm, is parallelized on an FPGA system. An algorithm that is both accurate and fast in a hardware design that is small and transportable are crucial to the implementation of this tool. As part of an ongoing effort to meet these criteria, this method improves a iris recognition algorithm, namely pupil isolation. A significant speed-up of pupil isolation by implementing this portion of the algorithm on a Field Programmable Gate Array

Use of Tetra-ammonium Tetrakis(4-Sulphonato)Phenyl Porphyrin for Pseudomonas and Bacillus Cell Imaging

The use of tetraammonium tetrakis(4-sulphonato)phenyl porphyrin (TPPS), a water-soluble anionic compound, as a stain to analyse bacterial cells using fluorescent microscopy was investigated. TPPS was effectively used to analyse two different bacteria: Pseudomonas aeruginosa and Bacillus cereus. The variation in brightness with varying concentrations of TPPS was studied. The patterns of variations for these bacteria were found to be the same, but with consistently higher brightness for Bacillus cereus

Characterization of Degree of Eco-restoration by Tree-Grass Interaction in Degraded Lands of Semi-Arid Tropics

Land degradation majorly declines soil health. Eco-restoration through tree-grass interaction provides a perfect solution to restore degraded lands. The study was carried out at Jhansi district of India during 2010 to 2019 with three fodder trees viz namely, Ficus infectoria, Morus alba, and Acacia nilotica and a shrub Leucaena leucocephala (along with three grasses (Cenchrus ciliaris, Chrysopogon fulvus and Panicum maximum). The main objectives of these study were to a) assess the changes in soil organic carbon pools and responses of soil enzymes as impacted by different eco-restoration strategies involving trees and grasses; and b) develop an index to measure efficiency of eco-restoration strategies to aid the community.Grass and tree biomass yield were the highest for Panicum maximum and Ficus infectoria, respectively.After 9 years, land under Ficus, Morus, and Acacia had ~ 63, 105, and 87% greater total organic carbon and Cenchrus, Panicum, and Chrysopogon increased total organic carbon by 84, 91 and 77% at surface layers, respectively, over fallow land. Microbial biomass C increased by 2-2.5 folds in both soil layers after. There were positive correlation among all the C fractionsand eco-restoration efficiency. Carbon management index (CMI) enhanced by 51, 84, and 70% at surface layers under Ficus, Morus, and Acacia based systems, respectively over fallow land. Similarly, grasses also improved CMI by \u3e60%. Accumulation of soil organic carbon under Ficus, Morus, and Acacia were ~55, 91, and 77 % higher than fallow land at surface layers. By combining CMI and biological activity index, we developed eco-restoration efficiency index and found Morus + Panicum, Acaia + Panicum to be effective restoration strategies for eco-restoration under degraded lands of tropical climates. Our study indicated that implementation of these eco-restoration strategies could be a quantitatively important component of climate change mitigation strategies in India and should be continually paid a great attention

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ABSTRACT The relationship between economic growth and international trade have been discussed intensively in the literature in Indian as well as at the international perspective over years, however the relationship between tourism and economic growth or international trade have not attracted much attention in the literature. This study has made an attempt to test the short-run and long-run relationships among tourism, trade and real income growth in India for the period 1996 to 2009 using quarterly data. The cointegration analysis results indicate the existence of a long-run relationship among the study variables. But we could not find any short-run relationship among the study variables in the VECM analysis, despite the significant error correction term