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полныйинформационныйкраткий
Поисковый запрос: (<.>S=GRAPHENE<.>)
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    Production of a Composite Based on Alumina Nanofibers and Detonation Nanodiamonds for Creating Phenol Indication Systems / N. O. Ronzhin, E. D. Posokhina, E. V. Mikhlina [et al.] // Dokl. Chem. - 2019. - Vol. 489. - P267-271, DOI 10.1134/S001250081911003X. - Cited References:13. - This work was supported by the Russian Foundation for Basic Research (project no. 18-29-19078 mk). . - ISSN 0012-5008. - ISSN 1608-3113
РУБ Chemistry, Multidisciplinary
Рубрики:
NANOPARTICLES
   GRAPHENE

Аннотация: A composite of alumina nanofibers (ANF) and modified detonation nanodiamonds (MDND) was produced by mixing aqueous suspensions of the components in a weight ratio of 5 : 1 with subsequent incubation of the mixture for 15 min at 32 degrees C. It was assumed that the formation of the composite is ensured by the difference of the zeta potentials of the components, which is negative for MDND and positive for ANF. Vacuum filtration of the mixture through a fluoroplastic filter (pore diameter 0.6 mu m) formed disks 40 mm in diameter, which were then heat-treated at 300 degrees C to impart structural stability to the composite. Scanning electron microscopy detected that the obtained composite has a network structure, in which MDND particles are distributed over the surface of ANF. It was determined that the MDND particles incorporated in the composite catalyze the phenol-4-aminoantipyrine-H2O2 oxidative azo coupling reaction to form a colored product (quinoneimine). The applicability of the composite to repeated phenol detection in aqueous samples was demonstrated.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Inst Biophys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Siberian Branch, Inst Computat Modeling, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Ronzhin, N. O.; Posokhina, E. D.; Mikhlina, E. V.; Simunin, M. M.; Nemtsev, I. V.; Ryzhkov, I. I.; Bondar, V. S.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-29-19078 mk]

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