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On Landsberg and Berwald Spaces of Two Dimensional Finslerian Space with Special (α, β)-Metric  [PDF]
Pradeep Kumar, T. S. Madhu, B. R. Sharath
Open Access Library Journal (OALib Journal) , 2019, DOI: 10.4236/oalib.1105244
Abstract:
In the present paper, we find a condition for the two-dimensional Finsler space with a special (α, β)-metric L(α, β)=α+α2/β to be a Berwald space. Also we have proved that, if the two-dimensional Finsler space with above metric is a Landsberg space, then it is a Berwald space.
Evaluation of Mammary Cancer in 7,12-Dimethylbenz(a)anthracene-Induced Wister Rats by Asymmetrical Temperature Distribution Analysis Using Thermography: A Comparison with Serum CEA Levels and Histopathology
S. P. Angeline Kirubha,M. Anburajan,B. Venkataraman,R. Akila,D. Sharath,Baldev Raj
Journal of Biomedicine and Biotechnology , 2012, DOI: 10.1155/2012/786417
Abstract: Animal surface temperature profile captured using infrared camera is helpful for the assessment of physiological responses associated with the regulation of body temperature. Diagnosing breast cancer in early stage itself has a greater effect on the prognosis. In this work, asymmetrical temperature distribution analysis of chemical carcinogen 7,12-dimethyl benz(a)anthracene-induced in the lower right flank region of Wistar rats (=6) was carried out to test the potential of thermography in diagnosing mammary cancer and tumor growth over a period of nine weeks in comparison with histopathology results as standard. Temperature difference between the tumor induced lower right and left side of flank region was significant (with P value <0.001), whereas in the abdomen and shoulder there was no significant difference in temperature between right and left sides. Percentage of asymmetrical temperature difference in the tumor induced lower flank region was 0.5 to 2%, whereas in the other regions it was <0.5%. Green pixel distribution in RGB color histogram was asymmetrical in the tumor induced lower flank region. Temperature reduction was observed in the tumor induced region after the seventh day of carcinogen induction. Asymmetrical thermogram analysis is the best method of diagnosing mammary cancer and for studying tumor development.
Analysis of Reliability in Web Services for Fuzzy Keyword Search in Encrypted Data
Sharath G P, Rashmi R
International Journal of Computer Trends and Technology , 2012,
Abstract: As Web services become more prevalent, more and more sensitive information are being centralized in the web. Usually lots of sensitive information is stored in the web. To provide data privacy data has to be encrypted before outsourcing. Traditional searchable schemes also allow a user to search the encrypted data securely in the web through keywords and retrieve files of interest, but these techniques only allows exact keyword search. They don’t retrieve the files which are having minor differences or inconsistencies in the keyword positions.This significant drawback makes existing techniques unsuitable in Web service as it greatly affects system usability, and making the user searching frustrating and less efficient. Fuzzy keyword search makes user search easy by returning the closest possible matching files based on keyword similarity semantics, when exact match fails. Reliability of web services for the application is analysed and op
12 GHz Radio-Holographic surface measurement of the RRI 10.4 m telescope
Ramesh Balasubramanyam,Suresh Venkatesh,Sharath B. Raju
Physics , 2009,
Abstract: A modern Q-band low noise amplifier (LNA) front-end is being fitted to the 10.4 m millimeter-wave telescope at the Raman Research Institute (RRI) to support observations in the 40-50 GHz frequency range. To assess the suitability of the surface for this purpose, we measured the deviations of the primary surface from an ideal paraboloid using radio holography. We used the 11.6996 GHz beacon signal from the GSAT3 satellite, a 1.2 m reference antenna, commercial Ku-band Low Noise Block Convereters (LNBC) as the receiver front-ends and a Stanford Research Systems (SRS) lock-in amplifier as the backend. The LNBCs had independent free-running first local oscillators (LO). Yet, we recovered the correlation by using a radiatively injected common tone that served as the second local oscillator. With this setup, we mapped the surface deviations on a 64 x 64 grid and measured an rms surface deviation of ~350 um with a measurement accuracy of ~50 um.
Capacity-Preserved, Energy-Enhanced Hybrid Topology Management Scheme in Wireless Sensor Networks for Hazardous Applications
A. Jawahar,S. Radha,R. Sharath Kumar
International Journal of Distributed Sensor Networks , 2012, DOI: 10.1155/2012/280932
Abstract: A wireless sensor network is composed of large number of sensor nodes and they are densely deployed in the field to monitor the environment, collect the data and route it to a sink. The main constraint is that the nodes in such a network have a battery of limited stored energy the network lifetime gets reduced. There are various topology management schemes such as SPAN, STEM, GAF, BEES and so forth, for improving network parameters such as capacity, lifetime, coverage and latency. These schemes do not improve all the mentioned network parameters. Sustainable Physical Activity in Neighbourhood (SPAN) scheme, preserves network capacity, decreases latency but provides less energy savings. Sparse Topology and Energy Management (STEM) scheme does not preserve capacity resulting in great energy savings and high latency. In the proposed scheme, new coordinator rule is implemented in SPAN, and then integrated with STEM. It is observed that the energy conserved increases by about 3.18% to 4.17% without sacrificing network capacity. Due to definite path in the proposed scheme the latency is reduced by almost half the latency of STEM scheme.
Microrheological Studies of Regenerated Silk Fibroin Solution by Video Microscopy
Raghu A,Somashekar R,Sharath Ananthamurthy
Physics , 2007,
Abstract: We have carried out studies on the rheological properties of regenerated silk fibroin (RSF) solution using video microscopy. The degummed silk from the Bombyx mori silkworm was used to prepare RSF solution by dissolving it in calcium nitrate tetrahydrate-methanol solvent. Measurements were carried out by tracking the position of an embedded micron-sized polystyrene bead within the RSF solution through video imaging. The time dependent mean squared displacement (MSD) of the bead in solution and hence, the complex shear modulus of this solution was calculated from the bead's position information. An optical tweezer was used to transport and locate the bead at any desired site within the micro-volume of the sample, to facilitate the subsequent free-bead video analysis. We present here the results of rheological measurements of the silk polymer network in solution over a frequency range, whose upper limit is the frame capture rate of our camera, at full resolution. By examining the distribution of MSD of beads at different locations within the sample volume, we demonstrate that this probe technique enables us to detect local inhomogeneties at micrometer length scales, not detectable either by a rheometer or from diffusing wave spectroscopy.
An Intensive Mind and Body Therapeutic Program Leads to Alteration in Gene Expression Critical to Aging Process in Peripheral Blood Stem Cells  [PDF]
Krishna S. Rao, Swarup K. Chakrabarti, Vaishali S. Dongare, B. S. Sharath, H. M. Vikas, K. Chetana, Kaushik D. Deb
Advances in Aging Research (AAR) , 2015, DOI: 10.4236/aar.2015.43011
Abstract: Objective: Waiting to look young is not a new idea; the search for effective treatments prolonging youthfulness has been going on over many decades. Many scientific evidences have been suggestive of intensive or prolonged mind and body therapies (MBT) improving overall wellness and have anti-aging effects. However, the genetic basis of MBT-induced anti-aging and youthfulness are largely unknown. It is also known that aging adversely affects hematopoiesis in human through controlling compromised hematopoietic stem cells (HSC) and peripheral blood mononuclear cells (PBMNC’s). In this paper, we focus on evaluating changes in the expression levels of a critical panel of genes that regulates aging in PBMNC’s isolated from participants from MBT program. Design: Here, we have investigated the effects of a short intensive MBT program on aging related gene expression changes in the peripheral blood stem cells using affymetrix DNA microarray platform. A total of 108 people selected form many ethnicities were enrolled in the study; 38 men and 70 women (aged 18 - 90) randomly assigned for the study. PBMNC’s were collected from the volunteers before and after the completion of the MBT program and evaluated for meditation by examining gene expression patterns in peripheral blood stem cells. Results: Critical pathways known to regulate aging process such as pro-inflammatory TNF alpha/NF-kB, IL-12 signaling pathway, hypoxic HIF-1-alpha, key regulator of programmed cell death, C-MYC, and P38 MAPK (mitogen-activated protein kinase) signaling pathway found to be dysregulated in the cohorts compared to subjects prior to MBT program. Furthermore, GATA-2 and Bmi1, key regulators of hemtopoiesis and adult stem cells numbers, went up in the mediated group. Additionally, key pro-inflammatory mediators IFN? and STAT-2 went down in the mediated group. Conclusion: MBT augments critical genes in PMBC which upregulate hematopoiesis and stem cell numbers and also controls genes that regulate age-related complications.
C-Language Programming for Development of Conventional Water Treatment Plants Decision Support System  [PDF]
Thogare N. Shridhara, Samson O. Ojoawo, Pilli V. Mahaganesha, Mallaura R. Thippeswary, Rahul Anand, Bevinahalli P. Sharath
Computational Water, Energy, and Environmental Engineering (CWEEE) , 2014, DOI: 10.4236/cweee.2014.34014
Abstract: Water-Decision Support System (DSS) tools enhance decision-makings towards improved water supply in a given region. The rigours of manual design of the conventional water treatment plants are easily eliminated with the use of softwares as in the case of DSS. Therefore, this paper focuses on the development of a Water-DSS for design of treatment plant in Karkala Town, Udupi District of India. A four-decade population projection was made using the baseline data of 1971 till date. The manual computation for water demand, unit operations and adjoining facilities was carried out and later coded in C-programming language for development of a DSS for easier design and process selection. Data validation was done and results from the two approaches were compared. With the C-programming technique, a decision support tool for design and process selection of drinking water treatment plant using conventional method has been developed and named Water-DSS1. The designed tool is simple, accurate, flexible, efficient and universal, easily adaptable to any similar conventional treatment plant. Water-DSS1 is thus recommended for general use in ultimately alleviating water supply challenges.
A painless nodule with excessive sweating
Sharath Kumar B,Gopal M,Nandini A,Kumar S
Journal of Cutaneous and Aesthetic Surgery , 2009,
Abstract:
Comparison between Tube Ileostomy and Loop Ileostomy as a Diversion Procedure
Vijayraj Patil,Abhishek Vijayakumar,M. B. Ajitha,Sharath Kumar L
ISRN Surgery , 2012, DOI: 10.5402/2012/547523
Abstract:
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