نتایج جستجو برای: platinum intermediate
تعداد نتایج: 152149 فیلتر نتایج به سال:
The platinum-based anticancer drug oxaliplatin is important clinically in cancer treatment. However, the role of multidrug resistance-associated protein 2 (MRP2) in controlling oxaliplatin membrane transport, in vivo handling, toxicity and therapeutic responses is unclear. In the current study, preparations of MRP2-expressing and control membrane vesicles, containing inside-out orientated vesic...
Abstract Polyoxymethylene dimethyl ethers (OME) produced from methanol are considered as potential substitutes of Diesel fuel. Emissions formaldehyde and other components have been observed, particularly under cold-start conditions in engine test-bench experiments with OME In this study, the reactivity 3 (CH O(CH 2 O) CH ) its decomposition products was studied temperature range 80–450 °C a mod...
In this study, polystyrene ethylene butylene polystyrene (PSEBS) was functionalized to prepare mono and bipolar ion exchange membranes. In the case of the bipolar membrane, platinum was used as the intermediate layer. NaCl solution of concentration ranging from 5 g/L to 25 g/L was used as the feed solution. A commercially procured ion exchange membrane made of polystyrene divinyl benzene was al...
Poor prognosis of advanced non-small-cell lung cancer (NSCLC) patients and the promising therapeutic effect of platinum urge the oncologists to evaluate the role of platinum doublet as second-line chemotherapy and establish the definition of platinum sensitivity in NSCLC. We retrospectively analyzed 364 advanced NSCLC patients who received platinum-doublet regimens as second-line chemotherapy a...
Understanding the hydrogen peroxide electrochemistry on platinum can provide information about the oxygen reduction reaction mechanism, whether H(2)O(2) participates as an intermediate or not. The H(2)O(2) oxidation and reduction reaction on polycrystalline platinum is a diffusion-limited reaction in 0.1 M HClO(4). The applied potential determines the Pt surface state, which is then decisive fo...
The electrode reactions of hydrazine in acid and basic solutions on smooth and platinised platinum have "been examined. From analysis of the rest potentials and concentration relationships a rapid one electron exchange with a stable surface species has "been postulated. The mechanism of oxidation occurs via a sequential system whereby hydrazinium radicals are the products of the initial oxidati...
Platinum extraction from spent reforming catalysts in iodine solutions under atmospheric pressure at different temperatures, acid concentration, and iodine spices concentration, catalyst particle size, and impeller agitation speed have been studied in our group. In this system, platinum is oxidized from spent catalyst with I3¯ that is formed ...
Background and purpose: Chemotherapy with platinum-base cytotoxic drugs (PBCDs) are commonly used in treatment of different types of cancers. Significant amounts of these drugs enter the hospital effluent via urinary exertion of patients and could adversely affect the environment and different ecosystems. Materials and methods: The samples (n=7) of 24 hours' hospital effluent were collected...
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