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Harden J, Shih Y, Rajendran D, Xu J, Li R, Hofland H, Chang A. 872 IL-1β is a potential central mediator to Papulopustular Rosacea pathology as determined by paired transcriptomic and proteomic analysis. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Shih Y, Yuan H, Zheng J, Pan M. 848 Clinical and immunological profiles of BP-specific IgE autoantibodies in bullous pemphigoid. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kumar A, Chiou A, Shih Y, Li S, Chang A. LB1106 An exploratory open label phase 1b study of secukinumab in patients with moderate to severe papulopustular rosacea. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.06.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Harden J, Shih Y, Rajendran D, Hofland H, Chang A. LB1144 Quantitative analysis of differentially expressed proteins in papulopustular rosacea. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.06.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Shih Y, Yuan H, Zheng J, Pan M. 020 Profile of BP180 and BP230-specific IgE autoantibodies in bullous pemphigoid. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.03.096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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6
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Chang H, Shih Y, Wu H, Stanaway F, Pan W. Changes in patterns of sugar sweetened beverage consumption in Taiwanese adolescents in 14 years. Eur J Public Health 2018. [DOI: 10.1093/eurpub/cky214.132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- H Chang
- National Health Research Institutes, Zhunan Town, Taiwan
| | - Y Shih
- National Health Research Institutes, Zhunan Town, Taiwan
| | - H Wu
- Chung Hwa University of Medical Technology, Tainan, Taiwan
| | - F Stanaway
- The University of Sydney, Sydney, Australia
| | - W Pan
- Academia Sinica, Taipei, Taiwan
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Shih Y. ATTITUDE TOWARD PARENT-CHILDREN CO-RESIDENCE IN LATER LIFE: A MULTILEVEL AGE-PERIOD-COHORT ANALYSIS. Innov Aging 2018. [DOI: 10.1093/geroni/igy023.1737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Y Shih
- National Chung Cheng University
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8
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Ma C, Tsai H, Su W, Sun L, Shih Y, Wang J. Combination of arginine, glutamine, and omega-3 fatty acid supplements for perioperative enteral nutrition in surgical patients with gastric adenocarcinoma or gastrointestinal stromal tumor (GIST): A prospective, randomized, double-blind study. J Postgrad Med 2018; 64:155-163. [PMID: 29848836 PMCID: PMC6066627 DOI: 10.4103/jpgm.jpgm_693_17] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 02/16/2018] [Accepted: 04/03/2018] [Indexed: 01/01/2023] Open
Abstract
Background Perioperative enteral nutrition (EN) enriched with immune-modulating substrates is preferable for patients undergoing major abdominal cancer surgery. In this study, perioperative EN enriched with immune-modulating nutrients such as arginine, glutamine, and omega-3 fatty acids was evaluated for its anti-inflammatory efficacy in patients with gastric adenocarcinoma or gastrointestinal stromal tumor (GIST) receiving curative surgery. Materials and Methods This prospective, randomized, double-blind study recruited 34 patients with gastric adenocarcinoma or gastric GIST undergoing elective curative surgery. These patients were randomly assigned to the study group, receiving immune-modulating nutrient-enriched EN, or the control group, receiving standard EN from 3 days before surgery (preoperative day 3) to up to postoperative day 14 or discharge. Laboratory and inflammatory parameters were assessed on preoperative day 3 and postoperative day 14 or at discharge. Adverse events (AEs) and clinical outcomes were documented daily and compared between groups. Results No significant differences were observed between the two groups in selected laboratory and inflammatory parameters, or in their net change, before and after treatment. AEs and clinical outcomes, including infectious complications, overall complications, time to first bowel action, and length of hospital stay after surgery, were comparable between treatment groups (all P > 0.05). Conclusion Immune-modulating nutrient-enriched EN had no prominent immunomodulation effect compared with that of standard EN.
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Affiliation(s)
- C Ma
- Division of Digestive and General Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Division of Colorectal Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - H Tsai
- Division of Colorectal Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Division of General Medicine Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Department of Surgery, Faculty of Medicine, College of Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - W Su
- Division of Colorectal Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Division of General Medicine Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - L Sun
- Nutrition Service Team, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Department of Nursing, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Y Shih
- Nutrition Service Team, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Department of Nursing, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - J Wang
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Division of Colorectal Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Department of Surgery, Faculty of Medicine, College of Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Nutrition Service Team, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Center for Biomarkers and Biotech Drugs, Kaohsiung Medical University, Kaohsiung, Taiwan
- Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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9
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Luo G, Shih Y. The effects of scapular muscle fatigue on scapular sensorimotor system. Ann Phys Rehabil Med 2018. [DOI: 10.1016/j.rehab.2018.05.824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Tsai M, Shih Y, Chang P, Fan H, Chang W, Chou Y, Hsu H. 4:03 PM Abstract No. 378 Sorafenib combined with drug-eluting bead transarterial chemoembolization for the treatment of advanced hepatocellular carcinoma with intrahepatic vascular shunts: the imaging prognostic factors related to patient survival. J Vasc Interv Radiol 2018. [DOI: 10.1016/j.jvir.2018.01.419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
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11
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Shih Y, Han S, Burr J. INSOMNIA AMONG COUPLES, MARITAL RELATIONSHIP QUALITY, AND METABOLIC SYNDROME IN LATER LIFE. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.4278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Y. Shih
- National Chung Cheng University, Min-Hsiung Township, Taiwan
| | - S. Han
- Gerontology, University of Massachusetts Boston, Boston, Massachusetts,
| | - J.A. Burr
- Gerontology, University of Massachusetts Boston, Boston, Massachusetts,
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Dugan E, Shih Y, Lee C. PATTERNS OF DRIVING IN OLDER AMERICANS OVER 14 YEARS: FINDINGS FROM THE HEALTH AND RETIREMENT STUDY. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.4349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- E. Dugan
- Gerontology, UMASS Boston, Boston, Massachusetts
| | - Y. Shih
- Gerontology, UMASS Boston, Boston, Massachusetts
| | - C. Lee
- Gerontology, UMASS Boston, Boston, Massachusetts
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Liu Y, Shih Y, Liu Y, Lee O. A Member of Solute Carrier Family SLC41 Regulates the Interaction of Magnesium and Mesenchymal Stromal Cells During Osteogenic Differentiation. Cytotherapy 2016. [DOI: 10.1016/j.jcyt.2016.03.159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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14
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Ning J, Peng S, Ueno N, Xu Y, Shih Y, Karuturi M, Giordano S, Shen Y. Has racial difference in cause-specific death improved in older patients with late-stage breast cancer? Ann Oncol 2015. [PMID: 26223248 DOI: 10.1093/annonc/mdv330] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Research on temporal mortality trends for stage IV breast cancer is limited, especially among older patients by race. We evaluated factors associated with overall, breast cancer-specific and other-cause mortalities using contemporary population data. PATIENTS AND METHODS Using the Surveillance, Epidemiology, and End Results-Medicare linked data, we identified older women (≥ 66 years) with stage IV breast cancer diagnosed in 2002-2009. Overall mortality was estimated by the Kaplan-Meier method, compared by log-rank tests, and modeled by Cox models. Competing risk analysis was used to evaluate breast cancer-specific and other-cause mortalities. RESULTS The median overall survival time for non-Hispanic blacks improved from 8.6 months in 2002-2003 to 9.9 months in 2007-2009, whereas that for non-Hispanic whites improved from 12.1 to 14.8 months. In the multivariate model, the risk of breast cancer-specific death for patients diagnosed in 2007-2009 was significantly lower (P = 0.02), whereas the risk of other-cause mortality changed little (P = 0.88) compared with those risks for patients diagnosed in 2002-2003. Non-Hispanic blacks had the higher risk of both mortality types compared with non-Hispanic whites; a diagnosis time-race interaction term was not statistically significant for either cause of death. CONCLUSION Breast cancer-specific mortality among older women modestly improved from 2002 to 2009 across all races, but not other-cause mortality. Racial disparity in mortality persisted, but did not widen in this period. Efforts should be devoted to improving other-cause mortality for all women, with special attention toward decreasing breast cancer mortality for non-Hispanic black women.
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Affiliation(s)
- J Ning
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - S Peng
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - N Ueno
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - Y Xu
- Department of Health Services Research, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - Y Shih
- Department of Health Services Research, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - M Karuturi
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - S Giordano
- Department of Breast Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, USA Department of Health Services Research, The University of Texas MD Anderson Cancer Center, Houston, USA
| | - Y Shen
- Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, USA
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15
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Swain SP, Shih Y, Tsay S, Jacob J, Lin C, Hwang KC, Horng J, Hwu JR. Aryne‐Induced Novel Tandem 1,2‐Addition/(3+2) Cycloaddition to Generate Imidazolidines and Pyrrolidines. Angew Chem Int Ed Engl 2015; 54:9926-30. [DOI: 10.1002/anie.201503319] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Indexed: 02/03/2023]
Affiliation(s)
- Sharada P. Swain
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 30013 (Taiwan)
| | - Yi‐Chun Shih
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 30013 (Taiwan)
| | - Shwu‐Chen Tsay
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 30013 (Taiwan)
- Department of Chemistry, National Central University, Jhongli City 32001 (Taiwan)
| | - Joby Jacob
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 30013 (Taiwan)
| | - Chun‐Cheng Lin
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 30013 (Taiwan)
| | - Kuo Chu Hwang
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 30013 (Taiwan)
| | - Jia‐Cherng Horng
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 30013 (Taiwan)
| | - Jih Ru Hwu
- Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 30013 (Taiwan)
- Department of Chemistry, National Central University, Jhongli City 32001 (Taiwan)
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Shih Y, Wang W, Wu C, Lin J. EP-1142 Effects of the EGFR polymorphisms on survival of advanced oral cancer. Radiother Oncol 2015. [DOI: 10.1016/s0167-8140(15)41134-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Shih Y, Lin Y, Lin W, Lin J. EP-1098 Pretreatment 18F-FDG-PET SUVmax plus Plasma EBV DNA titers to predict distant failure in NPC. Radiother Oncol 2014. [DOI: 10.1016/s0167-8140(15)31216-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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18
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Guadagnolo B, Liao K, Elting L, Giordano S, Buchholz T, Shih Y. A Population-based Study to Assess Utilization of Radiation Therapy at the End of Life Among US Medicare Beneficiaries. Int J Radiat Oncol Biol Phys 2012. [DOI: 10.1016/j.ijrobp.2012.07.118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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19
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Li G, Shih Y, Garza BDL, Kiel J, Duong T. TU-G-217A-04: Assessment of Cerebral Autoregulation by Inducing Acute Hypertension in Rats. Med Phys 2012. [DOI: 10.1118/1.4736027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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20
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Albert J, Pan I, Shih Y, Buchholz T, Giordano S, Smith B. Effectiveness of Radiation for Prevention of Mastectomy in Older Breast Cancer Patients Treated with Breast Conserving Surgery. Int J Radiat Oncol Biol Phys 2011. [DOI: 10.1016/j.ijrobp.2011.06.073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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21
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Lu C, Jones J, Cooksley C, Shih Y, Elting L. P-332 The incidence, outcomes, and economic burden ofhospitalizations for common medical complications in patients with lung cancer: A population-based study. Lung Cancer 2005. [DOI: 10.1016/s0169-5002(05)80826-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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22
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Chiu C, Shih Y, Tsai C, Perng R. P-471 The predictive value of serum tumor marker response in gefitinib-treated non-small cell lung cancer patients with or without measurable radiographic lesions. Lung Cancer 2005. [DOI: 10.1016/s0169-5002(05)80964-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Abstract
Both flow-injection analysis and square-wave stripping voltammetry were evaluated for the determination of codeine in pharmaceutical formulations using a nontronite clay-modified screen-printed carbon electrode. Compared with a bare screen-printed carbon electrode, the nontronite clay-modified screen-printed carbon electrode exhibited a marked enhancement of the current response of codeine. A linear calibration plot was obtained over the 2.5-45 microM range (correlation coefficient=0.999) in pH 6.0 phosphate buffer solution with a detection limit of 20 nM (S/N=3) by square-wave voltammetry (SWV). While, in flow-injection analysis, the linearity was over 5-120 ng range with a detection limit of 1 ng in 20 microl loop. The nontronite clay-modified screen-printed carbon electrode can be either disposable or reused since the renewal gave a good reproducible surface. Quantitative analysis was performed by the standard addition method for codeine content in both urine and commercially available drugs.
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Affiliation(s)
- Y Shih
- Department of Applied Cosmetology, Hung-Kuang Institute of Technology, 34 Chung-Chie Rd. Sha-Lu, 433, Taichung, Taiwan, ROC
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Abstract
We report a proof-of-principle experimental demonstration of quantum lithography. Utilizing the entangled nature of a two-photon state, the experimental results have beaten the classical diffraction limit by a factor of 2. This is a quantum mechanical two-photon phenomenon but not a violation of the uncertainty principle.
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Affiliation(s)
- M D'Angelo
- Department of Physics, University of Maryland, Baltimore County, Baltimore, Maryland 21250, USA
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25
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Shih Y. Simultaneous determination of magnesium L-ascorbyl-2-phosphate and kojic acid in cosmetic bleaching products by using a microbore column and ion-pair liquid chromatography. J AOAC Int 2001; 84:1045-9. [PMID: 11501903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
A rapid, sensitive, and reliable method was developed for the simultaneous determination of magnesium L-ascorbyl-2-phosphate (AS-PM) and kojic acid (KA), commonly using bleaching agents in cosmetic products. The method uses a prepacked C18 microbore column for ion-pair liquid chromatography with photodiode array detection. The eluant is 0.5mM tetrabutylammonium bromide and 0.05M phosphate buffer, pH 5, containing 5% methanol, at a flow rate of 70 microL/min. The determinations of AS-PM and KA were linear in the range of 0.5-1,000 and 0.25-500 ng, respectively. The precision of the assay ranged from 0.31 to 2.19%, and the detection limits (signal-to-noise ratio = 3) were 0.04 and 0.02 ng for AS-PM and KA, respectively.
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Affiliation(s)
- Y Shih
- Hung-Kuang Institute of Technology, Department of Applied Cosmetology, Taichung, Taiwan
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Kim YH, Kulik SP, Rubin MH, Shih Y. Comment on "dispersion-independent high-visibility quantum interference in ultrafast parametric down-conversion". Phys Rev Lett 2001; 86:4710. [PMID: 11384322 DOI: 10.1103/physrevlett.86.4710] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2000] [Indexed: 05/23/2023]
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Kim YH, Kulik SP, Shih Y. Quantum teleportation of a polarization state with a complete bell state measurement. Phys Rev Lett 2001; 86:1370-1373. [PMID: 11178086 DOI: 10.1103/physrevlett.86.1370] [Citation(s) in RCA: 83] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2000] [Indexed: 05/23/2023]
Abstract
We report a quantum teleportation experiment in which nonlinear interactions are used for the Bell state measurements. The experimental results demonstrate the working principle of irreversibly teleporting an unknown arbitrary polarization state from one system to another distant system by disassembling into and then later reconstructing from purely classical information and nonclassical EPR correlations. The distinct feature of this experiment is that all four Bell states can be distinguished in the Bell state measurement. Teleportation of a polarization state can thus occur with certainty in principle.
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Affiliation(s)
- Y H Kim
- Department of Physics, University of Maryland, Baltimore County, Baltimore, Maryland 21250, USA.
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Abstract
Microwave-assisted extraction (MAE), was used to extract sunscreen agents from cosmetic products. The extracts were analyzed by liquid chromatography (LC). The present method allows the determination of three sunscreen agents, Eusolex 2292, 4360 and 6300. The precision of the assay at 40 microg/ml of sunscreen agents ranged from 1.5 to 2.2%, and the detection limits were 2.0-4.0 ng/ml.
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Affiliation(s)
- Y Shih
- Department of Applied Cosmetology, Hung-Kuang Institute of Technology, Taichung, Taiwan.
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Abstract
We report a delayed "choice" quantum eraser experiment of the type proposed by Scully and Druhl (where the "choice" is made randomly by a photon at a beam splitter). The experimental results demonstrate the possibility of delayed determination of particlelike or wavelike behavior via quantum entanglement. The which-path or both-path information of a quantum can be marked or erased by its entangled twin even after the registration of the quantum.
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Affiliation(s)
- YH Kim
- Department of Physics, University of Maryland, Baltimore County, Baltimore, Maryland 21250, USA
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Abstract
A Nafion-ruthenium oxide pyrochlore chemically modified electrode is used for the determination of caffeine in beverages by square-wave voltammetry. Compared to a bare glassy carbon electrode, the chemically modified electrode exhibits a marked enhancement of the current response. A linear calibration curve is obtained over the 5-200 microns range in 0.05 M HCIO4 solution with a detection limit (3 delta) of 2 micron. The results of 15 successive repetitive measurement-regeneration cycles showed a relative standard deviation of 2.7% for 10 micron caffeine. Thus, the electrode renewal gives a good reproducible surface. Quantitative analysis was performed by the standard addition method for caffeine content in tea, coffee, decaffeinated coffee, and cola beverages.
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Affiliation(s)
- J M Zen
- Department of Chemistry, National Chung-Hsing University, Taichung, Taiwan
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31
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Cheng FC, Shih Y, Liang YJ, Yang LL, Yang CS. New dual electrochemical detector for microbore liquid chromatography. Determination of dopamine and serotonin in rat striatum dialysates. J Chromatogr B Biomed Appl 1996; 682:195-200. [PMID: 8844410 DOI: 10.1016/0378-4347(96)00081-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A new type of liquid chromatographic (LC) dual thin-layer amperometric detector for the simultaneous measurement of trace levels of dopamine and serotonin in microdialysates is described. The concentrations of these analytes in rat dialysates are usually in the sub-nanomolar concentration range (typically, 0.10-5.00 pg in 5-microl dialysates). With this dual electrode, a glass-lined microbore column provides excellent sensitivity, selectivity, and separation. In addition, a three- to five-fold improvement in anodic current or cathodic responses over conventional dual electrodes in microbore LC can be achieved. Due to the irreversible electrochemical properties of some interference peaks, this dual electrode provides reliable measurement of dopamine based on the cathodic signal. The detection limit (signal-to-noise ratio = 3) of this assay is 0.02 pg per injection for dopamine or serotonin. This new dual electrode allows the simultaneous measurements of basal dopamine and serotonin in rat striatum dialysates without the use of re-uptake inhibitors in perfusion medium.
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Affiliation(s)
- F C Cheng
- Department of Medical Research, Taichung Veterans General Hospital, Taiwan
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32
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Kwiat PG, Mattle K, Weinfurter H, Zeilinger A, Sergienko AV, Shih Y. New high-intensity source of polarization-entangled photon pairs. Phys Rev Lett 1995; 75:4337-4341. [PMID: 10059884 DOI: 10.1103/physrevlett.75.4337] [Citation(s) in RCA: 541] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Cheng FC, Kuo JS, Chang WH, Juang DJ, Shih Y, Lai JS. Rapid and reliable high-performance liquid chromatographic method for analysing human plasma serotonin, 5-hydroxyindoleacetic acid, homovanillic acid and 3,4-dihydroxyphenylacetic acid. J Chromatogr 1993; 617:227-32. [PMID: 7691858 DOI: 10.1016/0378-4347(93)80492-m] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The simultaneous measurement of homovanillic acid, 3,4-dihydroxyphenylacetic acid, serotonin and 5-hydroxyindoleacetic acid in human plasma by an ultrafiltration and microbore high-performance liquid chromatography-electrochemical detection technique is established. Conventional preparation of blood is very tedious and time-consuming, but isocratic separation of the analytes in plasma ultrafiltrates using a microbore column could be achieved within 10 min. Hence, theoretically, over 140 analyses can be performed in a working day. The detection limit (signal-to-noise ratio = 3) of this method is about 0.1-0.5 pg per injection for all analytes. The required volume of plasma samples can be less than 100 microliters. Hence, blood loss is minimal, especially in repeated blood sampling. This rapid, simple and sensitive method can, therefore, be used as a routine clinical tool in the simultaneous measurement of plasma homovanillic acid, 3,4-dihydroxyphenylacetic acid, serotonin and 5-hydroxyindoleacetic acid.
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Affiliation(s)
- F C Cheng
- Department of Medical Research, Taichung Veterans General Hospital, Taiwan
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Cheng FC, Kuo JS, Shih Y, Lai JS, Ni DR, Chia LG. Simultaneous measurement of serotonin, catecholamines and their metabolites in mouse brain homogenates by high-performance liquid chromatography with a microbore column and dual electrochemical detection. J Chromatogr 1993; 615:225-36. [PMID: 8335700 DOI: 10.1016/0378-4347(93)80336-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
A dual electrochemical detector with two working electrodes (anode and cathode) suitable for high-performance liquid chromatography with a microbore octadecylsilica column was applied for the simultaneous measurement of norepinephrine, epinephrine, dopamine, 3,4-dihydroxyphenylacetic acid, homovanillic acid, 5-hydroxyindoleacetic acid, 3-methoxytyramine and 5-hydroxytryptamine (serotonin) in mouse brain homogenates. Microbore high-performance liquid chromatography provides very good resolution of these analytes and offers selective detection of biogenic amines and their metabolites on the basis of their retention behaviour and electrochemical reversibility. The large early-eluting peak of brain homogenates was eliminated on cathodic detection, thereby providing reliable measurements of early eluates. The detection limit of this method was ca. 0.2-0.5 pg per injection for all components, at a signal-to-noise ratio of 3. Owing to the high sensitivity, the brain tissue samples could be kept very small (less than 10 mg). Isocratic separation of these analytes was achieved within 15 min; hence over 90 analyses could be performed in a single working day. This simple, efficient and sensitive method can be used as a basic research tool for the assaying of biogenic amines and their metabolites in brain homogenates.
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Affiliation(s)
- F C Cheng
- Department of Medical Research, Taichung Veterans General Hospital, Taiwan
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Shih Y, Konrad MW, Warren MK, Childs A, Paradise C, Meyers FJ, Groves ES. Suppression and transient induction of lymphokines in cancer patients after administration of polyethylene glycolated interleukin-2. Eur J Immunol 1992; 22:727-33. [PMID: 1547819 DOI: 10.1002/eji.1830220316] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Polyethylene glycolated (pegylated) interleukin-2 (PEG IL-2) was administered as a weekly i.v. bolus to patients with metastatic cancer in a phase-I trial. Efficacy, toxicity and pharmacokinetics have been described previously. To explore mechanism of IL-2 action and discover predictors of efficacy, the levels of several lymphokines were measured in pharmacokinetic serum samples. IL-1 beta and IL-6 were elevated in many patients before PEG IL-2 administration, forming a continuous, log-normal distribution among patients. The levels of the two lymphokines were strongly correlated. However, no significant correlation could be found between these levels, clinical chemistry, or tumor regression seen after PEG IL-2 administration. Three hours after PEG IL-2 administration, IL-1 beta and IL-6 levels, if elevated, fell to normal. In all patients, independent of initial levels, IL-6 and IFN-gamma, but not IL-1 beta, increased 4 to 6 h after the injection and then fell rapidly, even though PEG IL-2 levels were high and often changed only slightly during this period. This suggests an active shut down of lymphokine synthesis, or an increase in elimination rate. After the fourth administration of PEG IL-2, the peak level of IFN-gamma was 2 to 20 times higher than after the first, while the peak level of IL-6 did not change in a consistent direction. Responding patients had typical peak levels of IL-6 and IFN-gamma. Low levels of TNF and IL-4 were occasionally seen before and after PEG IL-2 administration, but no consistent pattern was evident.
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Affiliation(s)
- Y Shih
- Cetus Corporation, Emeryville
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Shih Y, Chao SY. Botulism in China. Rev Infect Dis 1986; 8:984-90. [PMID: 3797939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
During the period 1958-1983, 986 outbreaks of botulism occurred in China, affecting 4,377 individuals and resulting in 548 deaths. The initial cases of botulism were found in Xinjiang province, where the incidence was highest. Outbreaks have occurred in all of the northern provinces and in some of the southern provinces of China. The toxin found most frequently in the northwest region of China was type A; in north China, type B; and in the northeast, type E. The most frequently offending food was home-made strong-smelling preserved bean curd, which was implicated in 74% of the outbreaks. The complex clinical manifestations of botulism can be grouped into those affecting the eyes, the mouth, the pharynx, and the skeletal muscles. Following the institution of effective methods of prevention and treatment, epidemics of botulism in China have been controlled and the mortality rate reduced from 41% (1950s) to 7.6% (1983).
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Goodman J, Shih Y. Clinical pathologic conference: 63-year-old man with a right flank mass. Urol Radiol 1981; 2:58-60. [PMID: 7233647 DOI: 10.1007/bf02926700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Abstract
Eighteen patients undergoing bench surgery and autotransplantation are reported. The major indications for this procedure are renovascular hypertension and neoplasms affecting either both kidneys or a solitary kidney. The least satisfactory results were obtained when calculus disease was present.
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Shih Y. Silmization of stainless-steel frits for use in trace metal analysis by high performance liquid chromatography. Talanta 1981; 28:411-4. [DOI: 10.1016/0039-9140(81)80197-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/1981] [Accepted: 04/06/1981] [Indexed: 10/18/2022]
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Abstract
In order to characterize the uterine progesterone-binding proteins of oestrogen-primed and unprimed, ovariectomized immature and adult golden hamsters, cytosols were incubated with [3H]progesterone and/or other steroids and analyzed by sucrose-glycerol density gradient ultracentrifugation. Progesterone-binding components with sedimentation coefficients of 7S and 4.5S were found in the uterine cytosols, but not in the cytosols from the hypothalamus, pituitary, diaphragm, or small intestine. Oestradiol-17beta markedly elevated the level of 7S uterine receptor and this increase appeared to be due to new receptor synthesis, since actinomycin D and cycloheximide blocked this response. Fifty to 100 mug of oestradiol-17beta per kg body weight was found to promote a maximum increase in the 7S macromolecular component. The 7S receptor showed a tendency to saturate at 1 X 10(-7) M [1,2-3H]progesterone, indicating limited capacity. At a molar ratio of 100:1, unlabeled progesterone competed effectively for 7S and 4,5S [3H]progesterone binding, whereas 5alpha-pregnane-3,20-dione, oestradiol-17beta and testosterone did not. Moreover, [1,2-3H]cortisol and [1,2-3H]corticosterone did not bind to the 7S receptor, implying steroid specificity. CI-628, a non-steroid oestrogen antagonist, completely prevented [6,7-3H]oestradiol-17beta binding to its 8.5S uterine cytosol receptor, but was entirely without effect on 7S and 4.5S [3H]progesterone binding. Pronase, but not DNase or RNase, abolished 7S and 4.5S progesterone binding, suggesting that the binders are at least in part protein. Protamine sulphate and p-hydroxymercuribenzoate also obliterated 7S binding, implying that this receptor may be an acidic protein which contains sulfhydryl groups that are necessary for progesterone binding.
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Reel JR, Van Dewark SD, Shih Y, Callantine MR. Macromolecular binding and metabolism of progesterone in the decidual and pseudopregnant rat and rabbit uterus. Steroids 1971; 18:441-61. [PMID: 5133456 DOI: 10.1016/0039-128x(71)90058-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Callantine MR, Clemens CE, Shih Y. Displacement of 17-beta-estradiol from uterine receptor sites by an estrogen antagonist. Proc Soc Exp Biol Med 1968; 128:382-6. [PMID: 5663243 DOI: 10.3181/00379727-128-33018] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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