Cobalt-doped hydroxyapatite nanoparticles as a new eco-friendly catalyst of luminol–H2O2 based chemiluminescence reaction: Study of key factors, improvement the activity and analytical application

Результат исследований: Научные публикации в периодических изданияхстатья

3 Цитирования (Scopus)

Аннотация

In this study, a novel catalyst based on hydroxyapatite doped by cobalt for chemiluminescence reaction of luminol oxidation by H2O2 was suggested for the first time. The catalyst nanoparticles were synthesized by a hydrothermal method and characterized by various methods including density functional theory calculations. The impact of nanoparticles sizes, surface composition, contact efficiency and crystallinity on chemiluminescence intensity were investigated. The maximum chemiluminescence intensity was obtained for polycrystalline nanoparticles. This phenomenon was studied in detail and applied for chemiluminescence analysis for the first time. The chemiluminescence determination of sulfonamides as model analytes was considered. The sensing was based on sulfonamides-dependent quenching of the chemiluminescence intensity in the presence of novel catalyst existed as an aqueous suspension.

Язык оригиналаанглийский
Номер статьи118382
ЖурналSpectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy
Том237
DOI
СостояниеОпубликовано - 15 авг 2020

Предметные области Scopus

  • Аналитическая химия
  • Атомная и молекулярная физика и оптика
  • Контрольно-измерительные инструменты
  • Спектроскопия

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