scholarly journals Estimation of Cyclic Voltammetry Data for Srcl₂, Cacl₂ and Their Interaction with Ceftriaxone Sodium Salt in KNO₃ Using Palladium Working Electrode

2020 ◽  
Vol 1 (5) ◽  
Author(s):  
Esam A. Gomaa ◽  
Mohamed M. El-Defraway ◽  
Safa Q. Hussien
Keyword(s):  
Cyclic Voltammetry ◽  
Sodium Salt ◽  
Calcium Ions ◽  
Analytical Method ◽  
Strontium Chloride ◽  
Analytical Evaluation ◽  
Palladium Electrode ◽  
Ceftriaxone Sodium ◽  
Working Electrode ◽  
Cyclic Voltammetry Data

The cyclic voltammetry data for the redox reaction for strontium chloride and calcium chloride in 0.1M KNO3 pollution were estimated. New palladium electrode was prepared and used as working electrode. Palladium electrode has already redox waves which used as analytical method for the estimation of calcium and strontium in solutions. Also, interaction of both strontium and calcium ions with drug ceftriaxone sodium salt was studied and the data obtained are used for the analytical evaluation for both calcium and strontium. The different kinetic and thermodynamic data was evaluated for the two kinds of ions alone and in the presence of ceftriaxone sodium salt and their data were discussed.

scholarly journals Chemical Space Mapping for Multicomponent Gas Mixtures

2021 ◽  
Author(s):  
Airat Kotliar-Shapirov ◽  
Fedor S. Fedorov ◽  
Henni Ouerdane ◽  
Stanislav Evlashin ◽  
Albert G. Nasibulin ◽  
...  
Keyword(s):  
Cyclic Voltammetry ◽  
Data Processing ◽  
Electrochemical Sensors ◽  
Chemical Space ◽  
Chemical Species ◽  
Single Species ◽  
Data Driven ◽  
Multicomponent Gas ◽  
Data Driven Approach ◽  
Cyclic Voltammetry Data

In our manuscript, we present our protocol for data processing to mitigate the effects of interfering analytes on the identification of the chemical species detected by sensors. Considering NO2 and CO2, we designed electrochemical sensors whose response yielded the cyclic voltammetry data that we analyzed to classify single-species components and their mixtures using a data-driven approach to generate a chemical space where their mixtures can be deconvoluted.<br>

Assessment of Antimicrobial Features of Selenium Nanoparticles (SeNPs) Using Cyclic Voltammetric Strategy

2019 ◽  
Vol 19 (11) ◽  
pp. 7363-7368 ◽  
Author(s):  
Madiha Saeed ◽  
M. Tayyab Ansari ◽  
Imdad Kaleem ◽  
Sadia Zafar Bajwa ◽  
Asma Rehman ◽  
...  
Keyword(s):  
Cyclic Voltammetry ◽  
Biomedical Applications ◽  
Selenium Nanoparticles ◽  
Size Distributions ◽  
Cyclic Voltammetric ◽  
Microwave Assisted ◽  
Straightforward Method ◽  
Microwave Assisted Method ◽  
Controllable Size ◽  
Cyclic Voltammetry Data

The emerging biomedical applications of selenium nanoparticles (SeNPs) require facile and efficient strategy to assess its interactions with cell membrane. In this study, an efficient and reproducible microwave assisted method was used to synthesize SeNPs with controllable size distributions. The physical properties of the emergent structures, such as morphology, structure, and size were studied. The antimicrobial applications of SeNPs were assessed by electrochemical analyses that entailed the systematic acquisition of cyclic voltammetry data. Our results demonstrate a straightforward method to predict the integrity of bacterial cell membranes following the administration of SeNP treatments.

scholarly journals Prediction of Incompatibility of Ceftriaxone Sodium with Calcium Ions Using the Ionic Product

2010 ◽  
Vol 130 (1) ◽  
pp. 95-102 ◽  
Author(s):  
Yuka NAKAI ◽  
Emi TOKUYAMA ◽  
Miyako YOSHIDA ◽  
Takahiro UCHIDA
Keyword(s):  
Calcium Ions ◽  
Ceftriaxone Sodium ◽  
Ionic Product

Three-Component Chlorophosphinoylation of Alkenes via Anodically Coupled Electrolysis

Synlett ◽  
2019 ◽  
Vol 30 (10) ◽  
pp. 1199-1203 ◽  
Author(s):  
Lingxiang Lu ◽  
Niankai Fu ◽  
Song Lin
Keyword(s):  
Cyclic Voltammetry ◽  
High Efficiency ◽  
Radical Intermediates ◽  
Cyclic Voltammetry Data

We report the development of an electrocatalytic protocol for the chlorophosphinoylation of simple alkenes. Driven by electricity and mediated by a Mn catalyst, the heterodifunctionalization reaction takes place with high efficiency and regioselectivity. Cyclic voltammetry data are consistent with a mechanistic scenario based on anodically coupled electrolysis in which the generation of two distinct radical intermediates occur simultaneously on the anode and are both mediated by the Mn catalyst.

Unusual chemistry of Cu(ii) salan complexes: synthesis, characterization and superoxide dismutase activity

2020 ◽  
Vol 44 (27) ◽  
pp. 11457-11470
Author(s):  
Satabdi Roy ◽  
Atanu Banerjee ◽  
Sudhir Lima ◽  
Adolfo Horn Jr ◽  
Raquel M. S. N. Sampaio ◽  
...  
Keyword(s):  
Superoxide Dismutase ◽  
Cyclic Voltammetry ◽  
Spectral Characterization ◽  
Superoxide Dismutase Activity ◽  
Steric Effects ◽  
Ring Cleavage ◽  
Cyclic Voltammetry Data

Cu(ii)-salan complexes: structural and spectral characterization, solvent assisted ring cleavage and correlation of superoxide dismutase activity with cyclic voltammetry data and steric effects.

Recovery of fission palladium by electrodeposition using room temperature ionic liquids

2006 ◽  
Vol 94 (3) ◽  
Author(s):  
P. Giridhar ◽  
K. A. Venkatesan ◽  
B. P. Reddy ◽  
T. G. Srinivasan ◽  
P. R. Vasudeva Rao
Keyword(s):  
Cyclic Voltammetry ◽  
Ionic Liquids ◽  
Nuclear Fuel ◽  
Glassy Carbon ◽  
Molten Salts ◽  
Room Temperature ◽  
Room Temperature Ionic Liquids ◽  
Redox Behavior ◽  
Working Electrode ◽  
Irradiated Nuclear Fuel

SummaryRoom temperature molten salts for possible application of recovery of fission palladium from irradiated nuclear fuel/wastes have been investigated. The redox behavior of a solution of palladium(II) chloride and 1-butyl-3-methylimidazolium chloride (bmimCl) at glassy carbon working electrode has been studied at various temperatures using cyclic voltammetry. The voltammogram of bmimCl-PdCl

Cobalt Complexes of Tripodal Hexadentate Ligands: Electrochemically Driven Rearrangements

2006 ◽  
Vol 59 (11) ◽  
pp. 783 ◽  
Author(s):  
Paul V. Bernhardt ◽  
Yang Kim ◽  
Sujandi
Keyword(s):  
Cyclic Voltammetry ◽  
Crystal Structures ◽  
Thermodynamic Analysis ◽  
Chemical Reactions ◽  
Digital Simulation ◽  
Cobalt Complexes ◽  
Tripodal Ligands ◽  
Formal Potential ◽  
Working Electrode ◽  
Kinetic And Thermodynamic Analysis

The CoIII complexes of the hexadentate tripodal ligands HOsen (3-(2´-aminoethylamino)-2,2-bis((2´´-aminoethylamino)methyl)propan-1-ol) and HOten (3-(2´-aminoethylthia)-2,2-bis((2´´-aminoethylthia)methyl)propan-1-ol) have been synthesized and fully characterized. The crystal structures of [Co(HOsen)]Cl3∙H2O and [Co(HOten)](ClO4)Cl2 are reported and in both cases the ligands coordinate as tripodal hexadentate N6 and N3S3 donors, respectively. Cyclic voltammetry of the N3S3 coordinated complex [Co(HOten)]3+ is complicated and electrode dependent. On a Pt working electrode an irreversible CoIII/II couple (formal potential –157 mV versus Ag|AgCl) is seen, which is indicative of dissociation of the divalent complex formed at the electrode. The free HOten released by the dissociation of [Co(HOten)]2+ can be recaptured by Hg as shown by cyclic voltammetry experiments on a static Hg drop electrode (or in the presence of Hg2+ ions), which leads to the formation of an electroactive HgII complex of the N3S3 ligand (formal potential +60 mV versus Ag|AgCl). This behaviour is in contrast to the facile and totally reversible voltammetry of the hexaamine complex [Co(HOsen)]3+ (formal potential (CoIII/II) –519 mV versus Ag|AgCl), which is uncomplicated by any coupled chemical reactions. A kinetic and thermodynamic analysis of the [Co(HOten)]2+/[Hg(HOten)]2+ system is presented on the basis of digital simulation of the experimental voltammetric data.

scholarly journals The Importance of Expertly Evaluated Tests Underlined by COVID-19 Pandemic: A Mini Review

2021 ◽  
Vol 2 (12) ◽  
pp. 1180-1182
Author(s):  
Dragana Segulja
Keyword(s):  
Data Collection ◽  
Laboratory Test ◽  
Analytical Method ◽  
Laboratory Tests ◽  
Routine Practice ◽  
Serological Testing ◽  
Analytical Evaluation ◽  
Eligibility Criteria ◽  
Data Collection And Analysis ◽  
And Performance

Background: The joint interest of clinicians and the laboratory test industry during the recent pandemic of the Coronavirus Disease 2019 (COVID-19) resulted in an explosion of accessible assays for COVID-19 serological testing. Content: The need of properly evaluated laboratory tests is more apparent today than ever before. Clinical application of the assay, analytical specifications, and performance convenience are the key criteria that must be followed while selecting an analytical method. An analytical evaluation is always performed before deciding to apply a procedure in the laboratory routine practice. Summary: Only after the evaluation, data collection, and analysis of the results in accordance with the established eligibility criteria can be concluded that the new assay is suitable for laboratory use.

scholarly journals Cyclic voltammetry of samarium ions in the molten LiCl-KCl eutectic for diffusion coefficient analysis

2019 ◽  
Author(s):  
Vickram Singh ◽  
Christopher Bruneau ◽  
Dev Chidambaram
Keyword(s):  
Cyclic Voltammetry ◽  
Diffusion Coefficient ◽  
Surface Area ◽  
Electrode Surface ◽  
Measurement Errors ◽  
Current Response ◽  
High Concentration ◽  
Melt Temperature ◽  
Peak Current ◽  
Working Electrode

Cyclic voltammetry (CV) was used to investigate the electrochemical behavior of SmCl3 when it is solvated in the molten LiCl-KCl eutectic at 773 K. An experimental method obtained from the literature was adjusted to produce repeatable current responses attributed to the Sm3+/Sm2+ reaction couple and to determine working electrode surface area. The effect of solvating SmCl3 at high concentration was investigated as it relates to electrochemical reversibility and diffusion coefficient analysis. An electrochemically reversible region was identified using correlations between the current response and the scan rate along with peak current ratio measurements. In these, the reversibility was unaffected by increasing concentration. The correlation between current response and concentration was less linear than expected, suggesting the effects of additional modes of diffusion, solution resistance, and charge transfer kinetics may be contributing more at high concentrations. The measurement errors associated with peak current response, working electrode surface area, and melt temperature were used to estimate the associated uncertainties of the reported diffusion coefficients of Sm3+ in the molten LiCl-KCl eutectic. These diffusion coefficient values were found to be relatively consistent with values for Sm3+ reported in the literature for lower concentrations.

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