Wyniki wyszukiwania dla: synthesis sodium ionophores

• New bis(azobenzocrown)s with dodecylmethylmalonyl linkers as ionophores for sodium selective potentiometric sensors

  Publikacja

  • E. Luboch
  • M. Jeszke
  • M. Szarmach
  • N. Łukasik

  - Journal of Inclusion Phenomena and Macrocyclic Chemistry - Rok 2016

  Novel biscrowns 1 and 2 were synthesized from 13-membered azobenzocrown ethers containing bromoalkylenoxy chains in para position relative to the azo group. The synthesized diester molecules are dodecylmethylmalonic acid derivatives differing by the linker length. The synthesized compounds have the potential of being used as sodium ionophores in ion-selective electrodes. They were characterized and used as ionophores in classic...

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• Dipodal Tetraamide Derivatives of 1,10-Diaza-18-Crown-6 and Alkylmalonic Acids—Synthesis and Use as Ionophores in Ion Selective Membrane Electrodes

  Publikacja

  • R. Pomećko
  • E. Luboch
  • M. Jeszke

  - SENSORS - Rok 2021

  Novel dipodal derivatives of an 18-membered diaza-crown ether with two diamide chains featuring methylmalonic or butylmalonic acid residues were obtained and tested as ionophores in ion-selective plasticized membrane electrodes. The objective of the study was to identify measurement conditions which ensure the most favorable performance for magnesium ion-selective electrodes. The relationship between the molar lipophilic anion...

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• Rearrangement of azoxybenzocrowns into chromophoric hydroxyazobenzocrowns and the use of hydroxyazobenzocrowns for the synthesis of ionophoric biscrown compounds

  Publikacja

  • M. Szarmach
  • E. Wagner-Wysiecka
  • E. Luboch

  - TETRAHEDRON - Rok 2013

  The Wallach rearrangement was used as a method for preparing p-hydroxyazobenzocrown ethers starting from different azoxybenzocrowns as substrates. Synthesis of a series of p-hydroxyazobenzocrowns under modified conditions and characterization of the obtained products are presented. o-Hydroxyazobenzocrowns were identified among the products of the photochemical rearrangement of azoxybenzocrowns. Novel biscrowns were synthesized...

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• Functionalized azobenzocrown ethers as sensor materials—The synthesis and ion binding properties

  Publikacja

  • E. Wagner-Wysiecka
  • T. Rzymowski
  • M. Szarmach
  • M. S. Fonari
  • E. Luboch

  - SENSORS AND ACTUATORS B-CHEMICAL - Rok 2013

  New 13- and 16-membered azobenzocrown ethers with aromatic amino, amide, ether–ester or ether–amide residue in para position to an azo moiety were obtained. Acid–base properties and ion binding ability of the colored compounds were studied by spectroscopic methods: UV–vis, fluorimetry and 1H NMR spectroscopy. Selected azobenzocrowns were tested as ionophores in ion-selective membrane electrodes (ISEs) – classic and miniature all...

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• Monika Wilamowska-Zawłocka dr hab. inż.

  Osoby

  Katedra Konwersji i Magazynowania Energii

  Dr hab. inż. Monika WILAMOWSKA-ZAWŁOCKA jest absolwentką Wydziału Chemicznego Politechniki Gdańskiej. Studia doktoranckie ukończyła w 2011 r., następnie odbyła roczny staż na Technicznym Uniwersytecie w Darmstadt w Niemczech. Pracuje w Politechnice Gdańskiej od 2013 r., od 2019 r. na stanowisku profesora uczelni. Specjalność –materiały elektrodowe w zastosowaniu do ogniw litowo-jonowych, sodowo-jonowych, kondensatorów elektrochemicznych...

• SYNTHESIS-STUTTGART

  Czasopisma

  ISSN: 0039-7881 , eISSN: 1437-210X

• Lead(II)-selective ionophores for ion-selective electrodes: A review

  Publikacja

  • M. Guziński
  • G. Lisak
  • J. Kupis
  • A. Jasiński
  • M. Bocheńska

  - ANALYTICA CHIMICA ACTA - Rok 2013

  In potentiometry, high selectivity of the ion-selective membranes must be assured in order to reliably measure various analytes in clinical, industrial and environmental samples. Due to the toxic nature of lead(II) it is important to monitor Pb2+ distribution in natural waters. This may be achieved by implementation of ion-selective electrodes (ISEs) with high selectivity towards lead(II) and low detection limit. A great number...

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• Can sodium 1-alkylsulfonates participate in the sodium dodecyl sulfate micelle formation?

  Publikacja

  • O. Grabowska
  • K. Żamojć
  • M. Olewniczak
  • L. Chmurzynski
  • D. Wyrzykowski

  - JOURNAL OF MOLECULAR LIQUIDS - Rok 2023

  The aggregation behavior of sodium dodecyl sulfate (SDS) was studied in an aqueous solution in the presence of increasing concentrations of selected sodium 1-alkylsulfonates, namely sodium 1-octanesulfonate, sodium 1-decanesulfonate, and sodium 1-dodecanesufonate. The critical micelle concentration (CMC) of SDS was determined by conductivity and fluorescence intensity measurements. The steady-state fluorescence quenching experiments...

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• Ion conduction in beryllium-alumino-silicate glasses doped with sodium or sodium and lithium ions

  Publikacja

  • N. A. Wójcik
  • P. Kupracz
  • R. J. Barczyński
  • B. Jonson
  • S. Ali

  - SOLID STATE IONICS - Rok 2019

  Electrical properties of beryllium-alumino-silicate glasses containing sodium ions or sodium and lithium ions were studied with impedance spectroscopy technique over a frequency range from 10 mHz to 1 MHz and at temperature range from 213 to 473 K. The frequency- and temperature-dependent conductivity spectra of individual single alkali glasses were superimposed by means of the Summerfield scaling. Mixed-alkali glasses do not overlap...

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• Synthesis metods of nanomaterials

  Kursy Online

  • M. S. Łapiński