نتایج جستجو برای: bismuth determination
تعداد نتایج: 257544 فیلتر نتایج به سال:
bismuth salts and different antimicrobials including metonidazole & tetracyclines were used in the assessment of inhibition zone of helicobacter pylori cultures on solid media. antibiotics were used or in combined in order to find out their possible synergistic effects. it was showed that: only bismuth substrate and not then salts have antibacterial effects on helicobacter pylori and also on th...
The reactions of bismuth(III) nitrate pentahydrate and bismuth(III) chloride with heterocyclic thiosemicarbazones and derivatives of dithiocarbazonic acid methylester were used to synthesize the respective bismuth(III) complexes, which could be divided into five groups D-H because of their stoichiometrical properties and their molecular structures. The molecular structure and the near coordinat...
This work describes a sequential injection analysis (SIA) method for on-line strippping voltammetric determination of Pb(II), Cd(II) and Zn(II) using an injection-moulded electrochemical fluidic chip consisting 3 conductive carbon fiber-loaded polymer electrodes embedded in plastic holder. The sample containing the target metals solution Bi(III) were aspirated holding coil SIA manifold. Then, f...
BACKGROUND/AIMS Helicobacter pylori eradication rates with standard triple regimens are worsening, and alternative treatments are urgently needed in some populations. The present study aimed to compare the efficacy of bismuth-based quadruple and concomitant regimens. METHODS Consecutive Helicobacter pylori-positive patients with non-ulcer dyspepsia were randomized to receive one of two regime...
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