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Manwong, Mereerat,Songserm, Nopparat,Promthet, Supannee,Matsuo4, Keitaro Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.10
Background: Cholangiocarcinoma (CCA) is the most common cancer in Northeast Thailand. It is also a crucial health problem for Thai people. Various risk factors for CCA have been identified in the upper part of Northeast Thailand, but no similar studies of risk factors have been conducted in the lower parts of the region. This study aimed to investigate factors associated with CCA in the resident population. Materials and Methods: A hospital-based case-control study was conducted during 2009-2012 with the recruitment of 123 CCA cases and 123 non-CCA patient controls, matched for sex, age and residential area. Information was collected by interview with a structured questionnaire. Blood samples were collected for assays of anti-OV antibodies. Associations between various personal factors, dietary habits, family history, the presence of anti-OV antibodies and CCA were analyzed using multiple conditional logistic regression. Results: Patients who consumed raw meat (beef, pork) and alcoholic beverages ${\geq}3$ times per week had a higher risk of CCA than non-consumers ($OR_{adj}$=4.33; 95%CI=1.14-16.35 and $OR_{adj}$=2.13; 95%CI=1.00-4.55, respectively). Patients who had a family history of cancer had a higher risk than those who did not ($OR_{adj}$=4.34; 95%CI=1.80-10.43). Also, patients who had anti-OV antibodies (AU>23.337) had a higher risk than those whose anti-OV antibodies were below the cut-off ($AU{\leq}23.34$) ($OR_{adj}$=3.09; 95%CI=1.04-9.16). Conclusions: As is the case in the upper part of Northeast Thailand, OV infection is a crucial risk factor for CCA in people who live in lower part of the region. Similarly, a family history of cancer and the consumption of alcohol are risk factors for CCA.
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Uthai Manwong,Sitchai Boonpiyathud,Satean Tunyasrirut 제어로봇시스템학회 2008 제어로봇시스템학회 국제학술대회 논문집 Vol.2008 No.10
This paper presents design and implements the state feedback controller to design using Matlab/simulink for a speed control system of DC motor. The proposed controller will be a state feedback with state observer controller incorporating integrator. The controller design by pole placement technique is also introduced to the system for regulates and tracking speed response. The overall control system is implemented on dSPACE DSP DS1104 controller board. This scheme leads to be able to adjust the speed of the motor by control the input voltage of power amplified. The experimental results in testing the 48 watt DC motor system from no load condition to rated condition show the effectiveness of the proposed control scheme. It is found that the motor speed can be controlled to be constant in the operating range of 0-3200 rpm at no load and full load.
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