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Catalytic Cs<sub>2</sub>CO<sub>3</sub>Promotes “Silyl Method”-Type Polycondensation

Open Journal of Polymer Chemistry 2012年第1期2卷 1-5页

作者： Claus Vogel jochen meier-haack Leibniz-Institut für Polymerforschung Dresden e.V. Dresden Germany

Catalytic amounts of cesium carbonate are sufficient to initiate the “silyl method”-type step-growth polymerization of phenylene-bis-TMS-ethers and -thioethers with activated aryl fluoride monomers, and can thus be used instead of ce-sium fluoride or potassium carbonate. Cesium fluoride is very hygroscopic and potassium carbonate is generally used in equimolar amounts. The efficiency of catalytic amounts of cesium carbonate is demonstrated by the synthesis of poly(phenylene ether ether ketone) and poly(phenylene sulfide sulfone) examples.

关键词： Cesium Carbonate Polycondensation Step-Growth Polymerization

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Liver-directed treatment is associated with improved survival and increased response to immune checkpoint blockade in metastatic uveal melanoma:results from a retrospective multicenter trial

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Frontiers of Medicine 2023年第5期17卷 878-888页

作者： Elias A.T.Koch Anne Petzold Anja Wessely Edgar Dippel Markus Eckstein Anja Gesierich Ralf Gutzmer Jessica C.Hassel Harald Knorr Nicole Kreuzberg Ulrike Leiter Carmen Loquai Friedegund meier Markus Meissner Peter Mohr Claudia Pföhler Farnaz Rahimi Dirk Schadendorf Max Schlaak Kai-Martin Thoms Selma Ugurel jochen Utikal Michael Weichenthal Beatrice Schuler-Thurner Carola Berking Markus V.Heppt Department of Dermatology Uniklinikum ErlangenFriedrich-Alexander-University Erlangen-Nürnberg(FAU)91054ErlangenGermany Comprehensive Cancer Center Erlangen—European Metropolitan Area of Nürnberg(CCC ER-EMN) 91054ErlangenGermany Deutsches Zentrum Immuntherapie(DZI) Uniklinikum ErlangenFriedrich-Alexander-University Erlangen-Nürnberg(FAU)91054ErlangenGermany Bavarian Cancer Research Center(BZKF) Uniklinikum ErlangenÖstliche Stadtmauerstraße 3091054ErlangenGermany Department of Dermatology Ludwigshafen Medical Center67059LudwigshafenGermany Institute of Pathology Uniklinikum ErlangenFriedrich-Alexander-University Erlangen-Nürnberg91054ErlangenGermany Department of Dermatology University Hospital Würzburg97080WürzburgGermany Skin Cancer Center Minden Department of DermatologyMühlenkreiskliniken AöRRuhr UniversityBochum Campus Minden32423MindenGermany Skin Cancer Center Department of Dermatology and National Center for Tumor Diseases(NCT)University Hospital Heidelberg69120HeidelbergGermany Department of Ophthalmology Uniklinikum ErlangenFriedrich-Alexander-University Erlangen-Nürnberg(FAU)91054ErlangenGermany Department of Dermatology and Venereology Skin Cancer Center at the Center of Integrated Oncology(CIO)Köln BonnUniversity Hospital of Cologne50937CologneGermany Department of Dermatology Center for DermatooncologyUniversity Hospital Tübingen72056TübingenGermany Department of Dermatology University Medical Center Mainz55131MainzGermany Skin Cancer Center at the University Cancer Center Dresden and National Center for Tumor Diseases&Department of Dermatology University Hospital Carl Gustav Carus01307DresdenGermany Department of Dermatology Venereology and AllergologyGoethe University60590Frankfurt am MainGermany Department of Dermatology Elbeklinikum21614BuxtehudeGermany Department of Dermatology Saarland University Medical School66421Homburg/SaarGermany Department of Dermatology and Allergy Munich University Hospital(LMU)81377MunichGermany Departmen

Metastases of uveal melanoma(UM)spread predominantly to the *** to low response rates to systemic therapies,liver-directed therapies(LDT)are commonly used for tumor *** impact of LDT on the response to systemic treatment is unknown.A total of 182 patients with metastatic UM treated with immune checkpoint blockade(ICB)were included in this *** were recruited from prospective skin cancer centers and the German national skin cancer registry(ADOReg)of the German Dermatologic Cooperative Oncology Group(DeCOG).Two cohorts were compared:patients with LDT(cohort A,n=78)versus those without LDT(cohort B,n=104).Data were analyzed for response to treatment,progression-free survival(PFS),and overall survival(OS).The median OS was significantly longer in cohort A than in cohort B(20.1 vs.13.8 months;P=0.0016)and a trend towards improved PFS was observed for cohort A(3.0 vs.2.5 months;P=0.054).The objective response rate to any ICB(16.7%vs.3.8%,P=0.0073)and combined ICB(14.1%vs.4.5%,P=0.017)was more favorable in cohort *** data suggest that the combination of LDT with ICB may be associated with a survival benefit and higher treatment response to ICB in patients with metastatic UM.

关键词： uveal melanoma liver-directed therapy immune checkpoint blockade SIRT anti-PD-1 anti-CTLA-4

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Coping styles as predictors of survival time in bladder cancer

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Health 2010年第5期2卷 429-434页

作者： jochen Hardt Rolf Gillitzer Susanna Schneider Sabine Fischbeck Joachim W. Thüroff 不详

The role of coping in the survival of cancer is a controversial topic. To specifiy the influence of coping on survival time, we conducted a longitudinal, prospective and observational study. In a preoperative interview, 105 patients with primary bladder cancer were asked about their active and depressive coping strategies. Ten years later, the survival rate was recorded;in cases of death, it was noted whether or not it was in consequence of the bladder cancer. Kaplan-meier analyses of the collected data revealed a mean survival rate of about 60% after 10 years. Cox regression demonstrated no significant effect for active or depressive coping when tumour stage was controlled for. Patients who presented with high values for either of the coping strategies lived only slightly longer than those with low values. Therefore, it can be concluded that preoperative coping does not seem to demonstrate an important role for survival in bladder cancer.

关键词： Oncology Coping Bladder Cancer Survival Longitudinal Study

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