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Search Results: 1 - 10 of 50643 matches for " SWAPNA.Y "
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Design and Evaluation of Delayed and Extended Release Tablets of Mesalamine
NAGARAJU.R,SWAPNA.Y,HARI BABU.R,RAJESH KAZA
Journal of Pharmaceutical Science and Technology , 2010,
Abstract: The present study was focused on optimization of the formulation for the delayed and extendedrelease tablets of mesalamine. Various formulations was prepared by wet granulation technique usingthe polymers, such as HPMCK-100M, HPMC K4M, HPMCE15 and HPMC E5. It was found that the best formulation ML10 showed 98.75 % of drug release at the end of 10 th hour. This way the best formulation was achieved by using the combination of high and low viscous polymers HPMC K4M and HPMC E5 in the ratio of 60:40 was able to prolong the drug release for about 10 hrs in pH 7.5 phosphate buffer. In-vitro drug release studies of mesalamine delayed and extended release tablets showed that, the rate of the drug release follows first order kinetics as indicated straight line with good correlation coefficient for the plot of log percentage drug remaining vs time. The rate of drug release was found to be dissolution control as there was a good correlation coefficient for the plot of Hixon-Crowell cube–root law.
Cyber Security for Smart Grid, Cryptography, and Privacy
Swapna Iyer
International Journal of Digital Multimedia Broadcasting , 2011, DOI: 10.1155/2011/372020
Abstract: The invention of “smart grid” promises to improve the efficiency and reliability of the power system. As smart grid is turning out to be one of the most promising technologies, its security concerns are becoming more crucial. The grid is susceptible to different types of attacks. This paper will focus on these threats and risks especially relating to cyber security. Cyber security is a vital topic, since the smart grid uses high level of computation like the IT. We will also see cryptography and key management techniques that are required to overcome these attacks. Privacy of consumers is another important security concern that this paper will deal with. 1. Introduction One of the most important, complex, and intelligent network we have is the “power system”. This system consists of circuits, wires, towers, transformers, sensors, and cables interlinked to provide us with uninterrupted power supply. This system is mainly a mechanical system and has very little electronics associated with it like sensors and communication. However, as technology has progressed rapidly and almost all the latest devices need electricity for their operation, it is necessary that we make our present power system more reliable and efficient [1]. We can say the demand for electricity is greater than its supply. The demand is not only high but also fluctuating. We could rely on renewable resources like solar energy and wind energy to meet the present need, but unfortunately, they turn out to be fluctuating too. The smart grid enhances the functionality of the power delivery system. This is possible because smart grid uses sensors, communications, computation, and control in order to make the system smart and by applying intelligence to it in the form of control through feedback or in other words by using two way communication. In order to utilize the available resources, consumers need to change, and they need to act more “smart”. They have to change from being passive consumers to being active consumers [1]. Smart grids aim to reduce the energy consumption, ensure reliability of power supply, reduce carbon foot print, and minimize the costs associated with power consumption. The smart grid system has many advantages, one of them being cost effectiveness. This is because the grid uses internet for communication purpose. However, using the internet means vulnerability to cyber attacks. As opposed to the original power system, the smart grid uses ethernet, TCP/IP and other operating systems, thus making the grid more susceptible to attacks. The smart grid should enhance the
Commentary
Menon Swapna
PVRI Review , 2009,
Abstract:
Disease genes and pathways exploration: A listing of basic bioinformatics resources
Menon Swapna
PVRI Review , 2010,
Abstract: Over the past few decades a lot of molecular and genomic data, in general and in the context of various diseases, has accumulated. Public domain data has been databased and curated and is freely available. Multiple databases provide novel views of the underlying genetic, genomic, proteomic or literature data. This in turn facilitates knowledge discovery and disease research. The current article provides an overview of bioinformatics tools and databases to support and enhance research on disease mechanism.
Commentary - Distinct patterns of circulating endothelial cells in pulmonary hypertension
Menon Swapna
PVRI Review , 2010,
Abstract:
Pulmonary hypertension - Citations list
Menon Swapna
PVRI Review , 2009,
Abstract:
Commentary- Wnt signaling regulates smooth muscle precursor development in the mouse lung via a Tenascin C/PDGFR pathway
Menon Swapna
PVRI Review , 2010,
Abstract:
Autophagy in pulmonary arterial hypertension: Commentary
Menon Swapna
PVRI Review , 2010,
Abstract:
Using Marking Criteria to Improve Learning: An Evaluation of Student Perceptions
Swapna Koshy
Journal of Systemics, Cybernetics and Informatics , 2009,
Abstract: This paper is an exploratory study on the use of Marking Criteria in the offshore campus of an Australian University in the Middle East. The purpose of the study is to analyse student attitudes to the use of Marking Criteria with a view to maximizing its use. Most educators agree that assessment plays a key role in education and the use of Marking Criteria helps to streamline assessment. The study notes that most students were aware of the benefits of reviewing criteria before they worked on an assessment but few actually used it. The paper offers ways to help students internalise criteria to make learning effective. It also proposes the use of Marking Criteria as a tool that aids teachers in giving feedback in large classes.
On the Rotating Charged Black String Solution
Swapna Mahapatra
Physics , 1993, DOI: 10.1103/PhysRevD.50.947
Abstract: A rotating charged black string solution in the low energy effective field theory describing five dimensional heterotic string theory is constructed. The solution is labelled by mass, electric charge, axion charge and angular momentum per unit length. The extremal limit of this solution is also studied.
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