scholarly journals Crown Ethers Bearing 18C6 Unit; Sensory Molecules for Fabricating PVC Membrane Lead Ion-selective Electrodes

2011 ◽  
Vol 58 (5) ◽  
pp. 673-680 ◽  
Author(s):  
A. A. Zamani ◽  
N. Khorsihdi ◽  
Z. Mofidi ◽  
M. R. Yaftian
Keyword(s):  
Crown Ethers ◽  
Lead Ion ◽  
Pvc Membrane ◽  
Ion Selective Electrodes

scholarly journals Preparation, Characterization, and Analytical Application of Ramipril Membrane-Based Ion-Selective Electrode

2009 ◽  
Vol 2009 ◽  
pp. 1-7 ◽  
Author(s):  
Hassan Arida ◽  
Mona Ahmed ◽  
Abdallah Ali
Keyword(s):  
Pharmaceutical Formulations ◽  
Ion Pair ◽  
Pvc Membrane ◽  
Ion Selective Electrodes ◽  
Selective Electrode ◽  
Response Sensitivity ◽  
Direct Potentiometry ◽  
Plasticized Pvc ◽  
Electrochemical Evaluation

The fabrication and electrochemical evaluation of two PVC membrane-based Ion-Selective electrodes responsive for ramipril drug have been proposed. The sensitive membranes were prepared using ramipril-phosphomolibdate and ramipril-tetraphenylborate ion-pair complexes as electroactive sensing materials in plasticized PVC support. The electrodes based on these materials provide near-Nernestian response (sensitivity of53±0.5–54±0.5 mV/concentration decade) covering the concentration range of1.0×10-2–1.0×10-5 molL−1with a detection limit of3.0×10-6–4.0×10-6 molL−1. The suggested electrodes have been successfully used in the determination of ramipril drug in some pharmaceutical formulations using direct potentiometry with average recovery of >96% and mean standard deviation of <3% (n=5).

scholarly journals Validation of a Novel Potentiometric Method Based on a Polymeric PVC Membrane Sensor Integrated with Tailored Receptors for the Antileukemia Drug Cytarabine

Polymers ◽  
2020 ◽  
Vol 12 (6) ◽  
pp. 1343 ◽  
Author(s):  
Ayman H. Kamel ◽  
Abd El-Galil E. Amr ◽  
Nashwa H. Ashmawy ◽  
Hoda R. Galal ◽  
Abdulrahman A. Almehizia ◽  
...  
Keyword(s):  
Detection Limit ◽  
Biological Fluid ◽  
Pharmaceutical Formulations ◽  
Assay Method ◽  
Pvc Membrane ◽  
Therapeutic Drug ◽  
Ion Selective Electrodes ◽  
Easy Method ◽  
Potentiometric Response ◽  
Sensory Element

A simple, rapid and easy method is proposed for the detection of a cytostatic therapeutic drug, cytarabine, in real samples. The method is based on potentiometric transduction using prepared and characterized new ion-selective electrodes for cytarabine. The electrodes were integrated with novel man-tailored imprinted polymers and used as a sensory element for recognition. The electrodes revealed a remarkable potentiometric response for cytarabine over the linearity range 1.0 × 10−6–1.0 × 10−3 M at pH 2.8–4 with a detection limit of 5.5 × 10−7 M. The potentiometric response was near-Nernstian, with average slopes of 52.3 ± 1.2 mV/decade. The effect of lipophilic salts and plasticizer types on the potentiometric response was also examined. The electrodes exhibited an enhanced selectivity towards cytarabine over various foreign common ions. Validation and verification of the presented assay method are demonstrated by evaluating the method ruggedness and calculating the detection limit, range of linearity, accuracy (trueness), precision, repeatability (within-day) and reproducibility (between-days). The proposed ion-selective electrodes revealed good performance characteristics and possible application of these electrodes for cytarabine monitoring in different matrices. The electrodes are successfully applied to cytarabine determination in spiked biological fluid samples and in pharmaceutical formulations.

Lead ion selective electrodes from dibenzo-18-crown-6 derivatives: An exploratory study

2021 ◽  
Vol 1227 ◽  
pp. 129575
Author(s):  
Deneikah T. Jackson ◽  
Peter N. Nelson ◽  
Irvin N. Booysen
Keyword(s):  
Exploratory Study ◽  
Lead Ion ◽  
Ion Selective Electrodes

Comparative studies on 1,3-xylyl and 2-bromo-1,3-xylyl crown ethers as ion-selective electrodes

1991 ◽  
Vol 63 (20) ◽  
pp. 2282-2285 ◽  
Author(s):  
Sudersan M. Tuladhar ◽  
Gwyn. Williams ◽  
Claudius. D'Silva
Keyword(s):  
Crown Ethers ◽  
Comparative Studies ◽  
Ion Selective Electrodes

Lead ion selective PVC membrane electrode based on 5,5′-dithiobis-(2-nitrobenzoic acid)

Talanta ◽  
1998 ◽  
Vol 46 (6) ◽  
pp. 1341-1346 ◽  
Author(s):  
Ahmad Rouhollahi ◽  
Mohammad Reza Ganjali ◽  
Mojtaba Shamsipur
Keyword(s):  
Lead Ion ◽  
Pvc Membrane ◽  
Membrane Electrode ◽  
Nitrobenzoic Acid ◽  
Pvc Membrane Electrode

Lead ion-selective electrode prepared by sol–gel and PVC membrane techniques

2005 ◽  
Vol 107 (1) ◽  
pp. 438-445 ◽  
Author(s):  
M. Mazloum Ardakani ◽  
M. Khayat Kashani ◽  
M. Salavati-Niasari ◽  
A.A. Ensafi
Keyword(s):  
Sol Gel ◽  
Ion Selective Electrode ◽  
Lead Ion ◽  
Pvc Membrane ◽  
Selective Electrode
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