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Flow injection analysis was used to study the reactions occurring between DNA and certain compounds that bind to its double helix, deforming this and even breaking it, such that some of them (e.g., cisplatin) are endowed with antitumoral activity. Use of this technique in the merging zones and stopped-flow modes afforded data on the binding parameters and the kinetic characteristics of the process...
The use of isotope dilution analysis (IDA) with inductively coupled plasma-mass spectrometry (ICP-MS) for the determination of oxidized metallothionein (MT) by a Cd-saturation method is investigated. The method developed here is a modification of an earlier methodology which used a radioactive Cd isotope ( 109 Cd). While retaining the many advantages of this previous approach, the...
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