Cisplatin hydrolysis
WebThe anticancer drug cisplatin hydrolyzes in water with a rate constant of 1.5 × 10 −3 min −1 at pH 7.0 and 25°C. Calculate the half-life for the hydrolysis reaction under these conditions. Calculate the half-life for the hydrolysis reaction under these conditions. WebMost sources say that cisplatin is soluble in water and saline at around 1 mg/ml - 2.5 mg/ml depending on the source. I saw in the attached article (under liposome preparation method) that they...
Cisplatin hydrolysis
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WebNov 17, 2024 · The anticancer drug cis-platin hydrolyzes in water with a rate constant of 1.5 × 10−3 min−1 at pH 7.0 and 25°C. Calculate the half-life for the hydrolysis reaction under these conditions. If a freshly prepared solution of cis-platin has a concentration of 0.053 M, what will be the concentration of cis-platin after 5 halflives? after 10 half-lives? WebChemoresistance is a pharmacological condition that allows transformed cells to maintain their proliferative phenotype in the presence of administered anticancer drugs. Recently, extracellular vesicles, including exosomes, have been identified as additional players responsible for the chemoresistance of cancer cells. These are nanovesicles that are …
WebSep 9, 2014 · Cisplatin undergoes hydrolysis within the cell producing a highly reactive charged platinum complex [Pt(NH3)2ClH2O]+. After further hydrolysis, this complex binds to DNA bases through the N7 atom (preferably guanine). This DNA cross-linkage mechanism interferes with cell division and replication.
WebMar 9, 2024 · Since the hydrolysis process of cisplatin is very slow compared to auranofin (minimum 48 h to reach a reaction efficiency of up to 50% [37,38], while for auranofin the reaction can be completed... WebSep 24, 2024 · Cisplatin’s mechanism of action is initiated by the activation of the complex in the intracellular medium by the hydrolysis of chloride molecules. The cisplatin molecule hydrolyzes in the cytoplasm, and acts as a potent electrophilic agent, reacting with nucleic acids and sulfhydryl groups of proteins [ 14 , 15 ].
WebSep 21, 2010 · Cisplatin, or cis- [Pt (NH (3)) (2)Cl (2)], was the first member of a new revolutionary class of anticancer drugs that is still used today for the treatment of a wide variety of cancers. The mode...
WebInside the cell, the neutral cisplatin molecule undergoes hydrolysis, in which a chlorine ligand is replaced by a molecule of water, generating a positively charged species, as shown below and in Figure 1. Hydrolysis occurs inside the cell due to a much lower … earthrise image apollo 8WebDec 19, 2024 · The hydrolysis rate of cisplatin and transplatin affects their reactivity with biomolecules. ... USA). The antioxidant 2-mercaptoethanol was purchased from Wako Pure Chemical Industries (Osaka, Japan). Cisplatin was synthesized according to a previous report . Transplatin was purchased from Sigma Aldrich (Saint Louis, MO, USA). Other … earthrise leader optimus primeWebJun 1, 2015 · For obtaining stable solution of cisplatin sample containing 10 ng Pt/mL was prepared from the stock cisplatin solution in 0.9% NaCl, and injected onto the column immediately after the dilution. To identify monoaquacisplatin, which is the first hydrolysis product of cisplatin, the same solution was also injected 15 min ct of the abdomen with contrast cpt codeWebFeb 28, 2024 · One of the main problems in chemotherapy using platinum drugs as anticancer agents is the resistance phenomenon. Synthesizing and evaluating valid alternative compounds is challenging. This review focuses on the last two years of progress in the studies of platinum (II)- and platinum (IV)-based anticancer complexes. In … ct of the chest with contrast cpt codeWebChemical basis for the detoxification of cisplatin-derived hydrolysis products by sodium thiosulfate Cisplatin remains the most widely used platinum-based anti-cancer drug and is included on the World Health Organization's list of essential medicines. earthrise optimus prime reviewWebcis-Dichlorodiammineplatinum(II). Acid Hydrolysis and Isotopic Exchange of the Chloride Ligands1 John W. Reishus and Don S. Martin Jr. Cite this: J. Am. Chem. Soc.1961, 83, 11, 2457–2462 Publication Date(Print):June 1, 1961 Publication History Publishedonline1 May 2002 Publishedinissue1 June 1961 … ct of the chest with contrastWebMar 24, 2003 · Cisplatin is administered to patients i.v. The physiological chloride concentration in blood and extracellular body fluids is 100 mM, which is high enough to … earthrise nasa photo