126 research outputs found
Research on cancer prevention, detection and management in low- and medium-income countries
No full textThe burden of cancer in low- and medium-income countries (LMIC) is expected to increase in the next decades. The application of current knowledge and results of research in key areas would contribute to limit the impact of this phenomenon. Opportunities for research on cancer prevention in LMIC include investigating specific circumstances of exposure to known carcinogens and to agents which are not prevalent in other regions, as well as interactions among carcinogens and between genetic and environmental factors. Early detection both by screening and early clinical diagnosis represents an important component of cancer control in LMIC. Research has been carried out to identify effective and sustainable approaches for early detection of cervical cancer through human papillomavirus testing and visual tests and of oral cancer through visual inspection. For other important neoplasms such as breast cancer, on the other hand, no effective low-cost screening methods are currently available. Downstaging represents a potentially important approach for cancer control and a priority area for future research. Studies addressing the efficacy of treatment protocols, country-specific cost-effectiveness of various interventions and the clinical utility and cost-effectiveness of innovative heath care and communication technologies represent the priority for clinical cancer research. © The Author 2010. Published by Oxford University Press on behalf of the European Society for Medical Oncology. All rights reserved
Applications of policy based agents in wireless body sensor mesh network for health sector
No full textPressure fluctuations in centrifugal compressor diffusers
No full textThe unstable flow phenomenon like rotating stall and surge in centrifugal compressors occur at very low flow rates. These would cause unduly large vibrations in the turbo- machinery components and results in mechanical failure. It is important to detect this phenomenon and avoid it by means of early warning systems. An attempt has been made in this paper to study the pressure fluctuations using high frequency miniature transducers in vane and vaneless diffusers of a centrifugal compressor. The unstable nature of the flow is characterized. The observation from the measurements indicate the pressure fluctuations in the vane diffusers are getting amplified and carried to the exit of the diffuser whereas in the case of vaneless diffuser such a phenomena is not observed. The flow near the leading edge of diffuser plays an important role in diffuser performance. The unsteady pressure fluctuations in the diffuser are characterized in terms of instability parameter at various locations in the diffuser. The location where such an instability parameter is sensitive to the flow coefficient is identified as the diffuser throat. Through this instability parameter it is possible to provide early warning just before compressor goes into stall. (Author
Correction: PARP targeted Auger emitter therapy with [I-125]PARPi-01 for triple-negative breast cancer
No full textFollowing publication of the original article, it came to the authors’ attention that the Author Contributions section was partly incorrect and that the family name of the first author had been misspelled as ‘Sankaranarayana’ (instead of ‘Sankaranarayanan’). The article has since been corrected; please refer to the now-corrected article for the correct Authors Contributions information.</p
Performance of 802.11b Mesh Network Under Channel Interference for Wireless Internet
No full textThis article shows the performance of wireless mesh networks under channel interference for wireless Internet. The wireless mesh networks are multihop networks of wireless-router platforms. The wireless routers are typically stationary, but the clients can be mobile. A mesh network can provide multihop communication paths between wireless clients, serving as a community network or as a broadband access network for the Internet. Though no routing protocols exist for wireless mesh networknetworks, the author has tried using AODV, which has been proved effective for wireless mesh networknetworks. Although research is being done in revisiting the MAC and routing protocols for wireless mesh networknetworks, one of the major problems faced in 802.11b mesh networks is channel interference. Based on the above facts, an attempt has been made to study the performance of the 802.11b mesh network under channel interference. The performance differentials are analyzed in terms of throughput, end-to-end delay, and MAC delay. The simulations are carried out in Opnet Version 11.5 simulator</p
STATEMENT BY AUTHOR
No full textpartial fulfillment of requirements for an advanced degree at The University of Arizona and is deposited in the University Library to be made available to borrowers under rules of the Library. Brief quotations from this thesis are allowable without special permission, provided that accurate acknowledgment of the source is made. Requests for per-mission for extended quotation from or reproduction of this manuscript in whole or in part may be granted by the head of the major department or the Dean of the Graduate College when in his or her judgement the proposed use of the material is in the interests of scholarship. In all other instances, however, permission must be obtained from the author. SIGNED
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