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심병섭,정대호,김환용 원광대학교 공업기술개발연구소 2003 工業技術開發硏究誌 Vol.23 No.-
In this paper, it proposes the efficient iterative decoding stop criterion using the variance value of LLR. It is venfying that the proposal iterative decoding stop criterion can be reduced the average iterative decoding number compared to conventional schemes with a negligible degradation of the error performance. The proposal algorithm and hardware synthesize to use the Synopsys Tool, performance validations perform through the ModelSim.
Prognostic role of Rb, p16, Cyclin D1 proteins in soft tissue sarcomas.
Shim, Byoung Yong,Yoo, Jinyoung,Lee, Yeon-Soo,Hong, Young Sun,Kim, Hoon-Kyo,Kang, Jin-Hyoung The Korean Cancer Association 2010 Cancer Research and Treatment Vol.42 No.3
<P>The aim of this study was to determine the expressions of Rb, p16, and cyclin D1 in soft tissue sarcomas, and we also wanted to identify the prognostic factors according to the clinicalpathologic features.</P>
Oxaliplatin/5-FU without Leucovorin Chemotherapy in Metastatic Colorectal Cancer
Byoung Yong Shim,Kang Moon Lee,Hyeon-Min Cho,Hyun Jin Kim,Hong Joo Cho,Jinmo Yang,Jun-Gi Kim,Hoon-Kyo Kim 대한암학회 2005 Cancer Research and Treatment Vol.37 No.4
Purpose: Fluorouracil (5-FU) and leucovorin combination therapy have shown synergistic or additive effect against advanced colorectal cancer, but the frequency of mucositis and diarrhea is increased. Most previous studies have used high dose leucovorin (300∼500 mg/m2). However, some studies of oxaliplatin and 5-FU with low-dose or high-dose leucovorin in Korea have shown similar response rates. Therefore, we studied the necessity of leucovorin and evaluated the objective tumor response rates and toxicities of a regimen of oxaliplatin and 5-FU without leucovorin every 2 weeks in metastatic colorectal cancer patients. Materials and Methods: Twenty-four patients with metastatic colorectal cancer were enrolled between January 2002 and March 2003. Patients received 85 mg/ m2 of oxaliplatin on day 1, a bolus 5-FU 400 mg/m2 on day 1 and a continuous 5-FU infusion at 600 mg/m2/ 22 hours days 1 and 2, every 2 weeks.Results: Of the 24 patients treated, 17 patients received previous 5FU with leucovorin and/or other chemotherapy. Three patients could not be evaluated. Five partial responses were observed with overall response rate of 21% (n=24). Of the previous chemotherapy group (n= 17), 4 partial responses were observed with response rate of 24%. Median overall survival was 18 months (range 4∼ 32 months) and median progression free survival was 4 months (range 2∼6 months). This regimen was well tolerated and only 1 grade 3 anemia was observed.Conclusion: Oxaliplatin/5-FU combination therapy without leucovorin achieved a relatively high response rate even in patients resistant to the previous 5-FU chemotherapy, and toxicity was minimal.
Shim, Yong-Shik,Chun, Byoung-Chul,Chung, Yong-Chan The Korean Fiber Society 2006 Fibers and polymers Vol.7 No.4
Poly(ethylene terephthalate) (PET) and poly(ethylene glycol) (PEG) copolymers cross-linked with pentaerythritol, a four-way cross-linker, are prepared to compare their mechanical and shape memory properties with the one cross-linked by glycerol. Composition of PEG and pentaerythritol is varied to search for the one with the best mechanical and shape memory properties. The highest shape recovery rate is observed for the copolymer composed of 30 mol% PEG-200 and 2.5 mol% pentaerythritol. Four-way cross-linking by pentaerythritol significantly improves shape recovery rate and retention of high shape recovery rate after repeated use compared to the one cross-linked by glycerol, a three-way cross-linker, and difference and advantage of additional cross-linking point are discussed.
의학강좌 : 개원의를 위한 모범처방 ; 암 검진의 최신 지견
심병용 ( Byoung Yong Shim ) 대한내과학회 2016 대한내과학회지 Vol.90 No.3
Cancer is the leading cause of death in Korea. Cancer screening has become a basic health program because of the increased incidence of cancers and heightened interest. In September 2015, experts gathered at the National Cancer Institute of Korea proposed screening guidelines for seven cancers: lung, gastric, colon, breast, cervical, and thyroid cancers and hepatoma. The Korean cancer screening guidelines recommend annual screening for lung cancer with low-dose computed tomography in adults ages 55 to 74 years who have a 30 pack-year smoking history and currently smoke or have quit within the past 15 years. For gastric cancer, endoscopy screening is recommended once every 2 years and gastrography is recommended optionally in adults ages 40 to 74 years. For hepatoma screening, α-fetoprotein and liver ultrasound are recommended every 6 months for patients older than 40 years old at high risk. For colon cancer screening, fecal occult blood testing is recommended with optional colonoscopy every 1-2 years in adults ages 40 to 80 years. For breast cancer screening, mammography is recommended every 2 years for all women ages 40-69 years. For cervical cancer screening, a Pap smear is recommended every 3 years for all women older than 20 years or with sexual experience. No routine screening is recommended for thyroid cancer. The author reviews the background and practices of cancer screening guidelines for seven major cancers and prostate cancer. (Korean J Med 2016;90:224-230)
오류확률의 분삭값을 이용한 터보부호의 효율적인 반복복호 중단조건
심병섭,정대호,김환용 원광대학교 공업기술개발연구소 2002 工業技術開發硏究誌 Vol.22 No.-
It is well known the fact that the BER performance improves through the iterative decoding and the MAP algorithm in an AWGN channel environment. However, as the number of iterations is increased, it is required much decoding delay, computation, and power consumption for an iterative decoding. In this paper, it proposes the efficient iterative decoding stop criterion using the variance value of the error probability. It is verifying that the proposal iterative decoding stop criterion can be reduced the average iterative decoding number compared to conventional schemes with a negligible degradation of the error performance.