scholarly journals Frontal Analysis Continuous Capillary Electrophoresis Study on the Interaction of an Amphiphilic Alternating Copolymer with Triton X-100

2011 ◽  
Vol 2011 ◽  
pp. 1-6 ◽  
Author(s):  
Akihito Hashidzume ◽  
Takuya Shimomachi ◽  
Takahiro Sato
Keyword(s):  
Capillary Electrophoresis ◽  
Cooperative Interaction ◽  
Frontal Analysis ◽  
Hill Model ◽  
Alternating Copolymers ◽  
Alternating Copolymer ◽  
Binding Isotherms ◽  
Sodium Maleate ◽  
Triton X ◽  
The Hill

The interaction of amphiphilic alternating copolymers of sodium maleate and dodecyl vinyl ether (Mal/C12) with a nonionic surfactant, Triton X-100 (TX), was investigated by frontal analysis continuous capillary electrophoresis (FACCE). The binding isotherms obtained from FACCE data were indicative of weak cooperative interaction for all the polymers examined. The cooperative interaction was also analyzed by the Hill model, and the results were compared with the previous results on the interaction of statistical copolymers of sodium 2-acrylamido-2-methylpropanesulfonate andN-dodecylmethacrylamide with TX.

Photocontrolled iodine-mediated reversible-deactivation radical polymerization with a semifluorinated alternating copolymer as the macroinitiator

2020 ◽  
Vol 11 (47) ◽  
pp. 7497-7505
Author(s):  
Jiannan Cheng ◽  
Kai Tu ◽  
Enjie He ◽  
Jinying Wang ◽  
Lifen Zhang ◽  
...  
Keyword(s):  
Block Copolymers ◽  
Radical Polymerization ◽  
Room Temperature ◽  
Blue Led ◽  
Led Light ◽  
Alternating Copolymers ◽  
Alternating Copolymer ◽  
Reversible Deactivation ◽  
Novel Strategy ◽  
Reversible Deactivation Radical Polymerization

A novel strategy for preparing block copolymers with semifluorinated alternating copolymers as macroinitiators was established by photocontrolled iodine-mediated RDRP under irradiation with blue LED light at room temperature.

scholarly journals SENSIBILIDAD DE LA GARRAPATA COMÚN DEL BOVINO Rhipicephalus (Boophilus) microplus A IVERMECTINA ESTIMADA CON EL MODELO SIGMOIDEO DE RESPUESTA MÁXIMA O DE HILL

2021 ◽  
Vol 19 (suplemento) ◽  
Author(s):  
J Torrents
Keyword(s):  
Statistical Analysis ◽  
Boophilus Microplus ◽  
Susceptible Strain ◽  
Maximum Response ◽  
Hill Coefficient ◽  
Concentration Effect ◽  
Hill Model ◽  
Low Concentration ◽  
Immersion Technique ◽  
The Hill

The aim of this study was to obtain pharmacodynamics parameters to detect resistance or susceptibility of R. microplus strains to ivermectin (IVM). Two larvae samples; a susceptible strain (S) and field isolation (T) were treated with increasing concentrations of IVM using the larvae immersion technique the efficacy values measured at 24 hours were analysed with the sigmoidal maximum response so called Hill model as statistical analysis. The results obtained showed that the IVM have an all or nothing response represented by the Hill coefficient value >1 in both samples. Additionally, a low concentration effect was observed as E0 de 12.83% (S) and 9.91% (T). The field isolation larvae were susceptible to IVM in comparison with the susceptible strain by the resistance ratio (RR) which in one case was not significantly greater that one (RR50= 0.756 and RR90=1.009).

Evaluation of the Interactions Between Platelets and Alkaloids by Frontal Analysis Capillary Electrophoresis Using Polyvinyl Alcohol-Coated Capillary

2018 ◽  
Vol 81 (3) ◽  
pp. 509-516 ◽  
Author(s):  
Qiao-Qiao Li ◽  
Su-Ying Li ◽  
Feng-Qin Wang ◽  
Hua Chen ◽  
Yuan‑Jia Hu ◽  
...  
Keyword(s):  
Capillary Electrophoresis ◽  
Polyvinyl Alcohol ◽  
Frontal Analysis

Pressure-assisted capillary electrophoresis frontal analysis for faster binding constant determination

2018 ◽  
Vol 39 (14) ◽  
pp. 1786-1793 ◽  
Author(s):  
Cheng Qian ◽  
Su Wang ◽  
Hengqing Fu ◽  
Robin F. B. Turner ◽  
Huihui Li ◽  
...  
Keyword(s):  
Capillary Electrophoresis ◽  
Binding Constant ◽  
Frontal Analysis ◽  
Constant Determination

scholarly journals Bacterial Filtration Using Carbon Nanotube/Antibiotic Buckypaper Membranes

2013 ◽  
Vol 2013 ◽  
pp. 1-11 ◽  
Author(s):  
Luke J. Sweetman ◽  
Leighton J. Alcock ◽  
Jason D. McArthur ◽  
Elise M. Stewart ◽  
Gerry Triani ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Carbon Nanotube ◽  
Nitrogen Adsorption ◽  
Morphological Properties ◽  
Free Standing ◽  
Electron Microscopic ◽  
E Coli ◽  
Binding Isotherms ◽  
Triton X ◽  
Walled Carbon Nanotubes

The preparation of free-standing carbon nanotube “buckypaper” (BP) membranes consisting of either single-walled carbon nanotubes (SWNTs) or multi-walled carbon nanotubes (MWNTs), and the antibiotic ciprofloxacin (cipro), is reported. The electrical, mechanical and morphological properties of these membranes have been characterised and are compared to those of the corresponding buckypaper membranes containing the surfactant Triton X-100 (Trix). Analysis of scanning electron microscopic images of the surfaces of SWNT/cipro and SWNT/Trix (Trix  =  Triton X-100) buckypapers revealed that the diameter of their surface pores was significantly smaller than that of the corresponding materials prepared using MWNTs. Similarly, the average internal pore diameter of both SWNT buckypapers was found to be smaller than that of their MWNT counterparts, after analysis of binding isotherms derived from nitrogen adsorption/desorption measurements performed on the materials. All four buckypaper membranes examined were found to be >99% effective for removingEscherichia coli(E. coli) from aqueous suspensions. However, buckypapers containing ciprofloxacin outperformed their counterparts containing the surfactant. Both MWNT buckypapers were more effective at preventing passage ofE. colithan their analogues containing SWNTs, while fluorescence microscopic examination of stained membrane surfaces demonstrated that buckypapers composed of SWNTs had greater bactericidal properties.

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