نتایج جستجو برای: platinum

تعداد نتایج: 21545  

Journal: :Medical oncology 2013
Xianglin L Du Rohan C Parikh David R Lairson Sharon H Giordano Putao Cen

The aim was to compare the two most commonly recommended chemotherapy regimens (platinum-based chemotherapy and platinum-taxane combination) with non-platinum-based chemotherapy and those with no chemotherapy in a large nationwide and population-based cohort of patients with ovarian cancer with up to 17 years of follow-up. We studied 12,181 patients diagnosed with stages I-IV ovarian cancer at ...

Journal: :Organic & biomolecular chemistry 2009
Roman Maag Brian H Northrop Anna Butterfield Anthony Linden Oliver Zerbe Young Min Lee Ki-Whan Chi Peter J Stang Jay S Siegel

The synthesis and characterization of two direct platinum (1 and 6a/b) and three ethynyl-platinum corannulene derivatives (2, 8 and 9), bearing 2, 4, or 5 square planar platinum centers, are presented. The structure of the bowl bearing substituents remains comparable to corannulene and the dynamic behavior of the bowl inversion as assessed by VT NMR supports a persistent bowl structure in solut...

Journal: :European journal of cancer & clinical oncology 1987
C Sessa T Cerny S Kaye S Monfardini J Rénard F Cavalli

INTRODUCTION CISPLATIN has been shown to have some activity in gastric cancer but its application is limited because of toxicity [ 11. In recent years, the search for platinum compounds with reduced toxicity has been the main goal in the development of platinum analogs. Based on available phase I data [2, 31, our group decided to evaluate the antitumor activity of the non-nephroand neurotoxic p...

1997
Martin Fleischmann Derek Pletcher

The Electrosynthesis of Organic Compounds Measurement of Electrodeposit Thickness Electron Concentration as a Guide to Alloying Behaviour A Rhodium-Platinum Probe for Flame Velocity Measurement Ruthenium-Platinum Oxide Catalysts for Hydrogenation Reactions Complexes of Substituted Olefins with Salts of the Platinum Metals Making Corrosion-Resistant Brazed Joints in Stainless Steel Thermocouples...

Journal: :Occupational medicine 2013
G Nelson J Murray

BACKGROUND South Africa is the largest producer of platinum group metals in the world. Platinum is found in the Bushveld Complex in the north-east of the country. This volcanic intrusion contains many other minerals, including crystalline silica. Little is known about the health risks in the platinum mining industry. AIMS To explore the potential for platinum mine workers to develop silicosis...

2017
Jun Eul Hwang Myung Seo Ki Karham Kim Sung-Hoon Jung Hyun-Jeong Shim Woo-Kyun Bae Eu-Chang Hwang Young Hoe Hur Oh Jeong Seong Yeob Ryu Young Kyu Park Sang-Hee Cho Ju-Seog Lee Ik-Joo Chung

Adjuvant chemotherapy using TS-1 or capecitabine plus oxaliplatin improves survival outcomes after radical gastrectomy, with both regimens showing similar efficacies.A total of 494 patients with stage II‒III gastric cancer who underwent curative D2 gastrectomy and received adjuvant chemotherapy from April 2004 to June 2014 were included in this study. 219 patients received TS-1, and 275 receive...

Journal: :Nanoscale 2014
Paul C Jennings Hristiyan A Aleksandrov Konstantin M Neyman Roy L Johnston

Density functional theory calculations are performed on 38 and 79 metal atom truncated octahedron clusters to study oxygen dissociation as a model for the initial stage of the oxygen reduction reaction. Pure platinum and alloyed platinum-titanium core-shell systems are investigated. It is found that barrierless oxygen dissociation occurs on the (111) facet of the pure platinum clusters. A barri...

Journal: :Molecular and clinical oncology 2015
Muyou Tian Yahua Zhong Fuxiang Zhou Conghua Xie Yunfeng Zhou Zhengkai Liao

The aim of the present study was to evaluate the effect of platinum-based therapy on the short-term efficacy and survival rate in patients with triple-negative breast cancer (TNBC). A search of available databases was conducted, based on specific inclusion and exclusion criteria, for trials conducted between January 2006 and January 2014. The bibliographies of the included studies were examined...

2013
Tomoko Okada Kazuhiro Murata Ryoma Hirose Chie Matsuda Tsunehiko Komatsu Masahiko Ikekita Miyako Nakawatari Fumiaki Nakayama Masaru Wakatsuki Tatsuya Ohno Shingo Kato Takashi Imai Toru Imamura

Cancer cells often develop drug resistance. In cisplatin-resistant HeLa cisR cells, fibroblast growth factor 13 (FGF13/FHF2) gene and protein expression was strongly upregulated, and intracellular platinum concentrations were kept low. When the FGF13 expression was suppressed, both the cells' resistance to platinum drugs and their ability to keep intracellular platinum low were abolished. Overe...

M. Yari S. Sedaghat

Metal—Polyaniline nanocomposites such as Platinum-Polyaniline nanocomposite is prepared by insitu oxidative polymerization of aniline and reduction of Pt+4 ions into Pt nanoparticles. Thepolymerization of aniline was carried out in the presence of 1(2PtCN6 [Potassium Hexa CyanoPlatinate (IV)] as oxidizing agent. During the reaction aniline monomers undergo oxidation andform polyaniline (PANT) w...

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