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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Purtov K.V., Burakova L.P., Puzyr A.P., Bondar V.S.
Заглавие : The interaction of linear and ring forms of DNA molecules with nanodiamonds synthesized by detonation
Колич.характеристики :3 с
Место публикации : Nanotechnology: IOP PUBLISHING LTD, 2008. - Vol. 19, Is. 32. - Ст.325101. - ISSN 0957-4484, DOI 10.1088/0957-4484/19/32/325101
Примечания : Cited References: 13
Предметные рубрики: DIAMOND
NANOPARTICLES
Аннотация: Nanodiamonds synthesized by detonation have been found not to immobilize the ring form of pUC19 plasmid DNA. Linear pUC19 molecules with blunt ends, prepared by restriction of the initial ring form of pUC19 DNA, and linear 0.25-10 kb DNA fragments are adsorbed on nanodiamonds. The amount of adsorbed linear DNA molecules depends on the size of the molecules and the size of the nanodiamond clusters.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gordeev S.K., Konopleva R.F., Chekanov V.A., Korchagina S.B., Belyaev S.P., Golosovskii I.V., Denisov I.A., Belobrov P.I.
Заглавие : Specific features in the change of electrical resistivity of carbon nanocomposites based on nanodiamonds under neutron irradiation
Место публикации : Phys. Solid State: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2013. - Vol. 55, Is. 7. - С. 1480-1486. - 7. - ISSN 1063-7834, DOI 10.1134/S1063783413070147
Примечания : Cited References: 24. - This study was supported by the Ministry of Education and Science of the Russian Federation (state contract nos. 14.518.11.7028 and 16.518.11.7034) and the Russian Foundation for Basic Research (project no. 10-02-00576).
Предметные рубрики: NANOPARTICLES
Аннотация: The physical properties of bulk composite materials consisting of nanodiamond, pyrolytic carbon, and nanopores were investigated. Samples were irradiated in a channel of the reactor by fast neutrons (E 0.5MeV) in ampoules with helium and in an aqueous medium. The dependences of the electrical transport properties of materials with different compositions on the dose of irradiation with fast neutrons were studied. A nonmonotonic change in the electrical resistivity with an increase in the neutron fluence was revealed. Possible explanations were offered for the observed dependence of the electrical resistivity on the neutron fluence, in particular, those related to the physical processes occurring in surface states of the three-phase system of the nanocomposite.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ronzhin N. O., Posokhina E. D., Mikhlina E. V., Simunin M. M., Nemtsev I. V., Ryzhkov I. I., Bondar V. S.
Заглавие : Production of a Composite Based on Alumina Nanofibers and Detonation Nanodiamonds for Creating Phenol Indication Systems
Колич.характеристики :5 с
Коллективы : Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-29-19078 mk]
Место публикации : Dokl. Chem.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2019. - Vol. 489. - С. 267-271. - ISSN 0012-5008, DOI 10.1134/S001250081911003X. - ISSN 1608-3113(eISSN)
Примечания : Cited References:13. - This work was supported by the Russian Foundation for Basic Research (project no. 18-29-19078 mk).
Предметные 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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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Mikheev G.M., Puzyr' A.P., Vanyukov V.V., Purtov K.V., Mogileva T.N., Bondar' V.S.
Заглавие : Nonlinear scattering of light in nanodiamond hydrosol
Колич.характеристики :4 с
Коллективы :
Место публикации : Tech. Phys. Lett.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2010. - Vol. 36, Is. 4. - С. 358-361. - ISSN 1063-7850, DOI 10.1134/S1063785010040206
Примечания : Cited References: 16. - Thus study was supported by the Ural and Siberian Branches of the Russian Academy of Sciences within the framework of the Integration Project no. 102 "Investigation of Optoelectronic and Nonlinear Optical Properties of Carbon Nanostructures and Their Suspensions."
Предметные рубрики: ONION-LIKE CARBON
Z-SCAN
NANOPARTICLES
SUSPENSIONS
NANOTUBES
Аннотация: The nonlinear scattering of light under the conditions of optical limiting of nanosecond pulsed laser radiation at a wavelength of 1064 nm in a nanodiamond (ND) hydrosol has been experimentally studied. Superstable hydrosols were obtained from detonation NDs with a modified surface. Using an improved scheme of z scanning, it is shown that a decrease in the optical transmission coefficient of an ND hydrosol under optical limiting conditions is due to enhanced nonlinear scattering. It is established that the energy of pulsed radiation scattered at a right angle obeys a power law in dependence on the energy density of incident radiation pulses. Hydrosols of detonation NDs with the modified surface exhibit high stability with respect to the periodic laser action at high power density.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Purtov K.V., Petunin A.I., Burov A.E., Puzyr A.P., Bondar V.S.
Заглавие : Nanodiamonds as Carriers for Address Delivery of Biologically Active Substances
Колич.характеристики :6 с
Коллективы :
Место публикации : Nanoscale Res. Lett.: SPRINGER, 2010. - Vol. 5, Is. 3. - С. 631-636. - ISSN 1931-7573, DOI 10.1007/s11671-010-9526-0
Примечания : Cited References: 24. - This work was supported by the Program # 27 for Basic Research of the Presidium of RAS (project 3.6.3).
Предметные рубрики: ANTICANCER DRUGS
NANOPARTICLES
ADSORPTION
PARTICLES
PROTEINS
Ключевые слова (''Своб.индексиров.''): nanodiamonds--ligand--protein immobilization--nanocarrier--targeted delivery
Аннотация: Surface of detonation nanodiamonds was functionalized for the covalent attachment of immunoglobulin, and simultaneously bovine serum albumin and Rabbit Anti-Mouse Antibody. The nanodiamond-IgG(I125) and RAM-nanodiamond-BSA(I125) complexes are stable in blood serum and the immobilized proteins retain their biological activity. It was shown that the RAM-nanodiamond-BSA(I125) complex is able to bind to the target antigen immobilized on the Sepharose 6B matrix through antibody-antigen interaction. The idea can be extended to use nanodiamonds as carriers for delivery of bioactive substances (i.e., drugs) to various targets in vivo.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Mogilnaya O. A., Ronzhin N. O., Artemenko K. S., Bondar V. S.
Заглавие : Creation of Bifunctional Indicating Complex Based on Nanodiamonds and Extracellular Oxidases of Luminous Fungus Neonothopanus nambi
Колич.характеристики :4 с
Место публикации : Dokl. Biochem. Biophys.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2018. - Vol. 480, Is. 1. - С. 135-138. - ISSN 1607-6729, DOI 10.1134/S160767291803002X. - ISSN 1608-3091(eISSN)
Примечания : Cited References:13
Предметные рубрики: PHANEROCHAETE-CHRYSOSPORIUM
NANOPARTICLES
Аннотация: A bifunctional indicating complex was created by immobilization of extracellular oxidases (glucose oxidase and peroxidases) of luminous fungus Neonothopanus nambi onto modified nanodiamonds (MNDs) synthesized by detonation. It was found that the enzymes firmly adsorb onto MND particles and exhibit their catalytic activity. Model in vitro experiments showed that the created MND-enzymes complex is suitable for repeated use for analyte (glucose and phenol) testing and retains its activity after storage at 4 degrees C in deionized water for 1 month. The data obtained offer the prospects for developing a new class of reusable multifunctional indicating and diagnostic test systems on the basis of MNDs and higher fungal enzymes for medical and ecological analytics.
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