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The interaction of linear and ring forms of DNA molecules with nanodiamonds synthesized by detonation [Text] / K. V. Purtov [et al.] // Nanotechnology. - 2008. - Vol. 19, Is. 32. - Ст. 325101, DOI 10.1088/0957-4484/19/32/325101. - Cited References: 13 . - ISSN 0957-4484

РУБ Nanoscience & Nanotechnology + Materials Science, Multidisciplinary + Physics, Applied
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.

Держатели документа:
[Purtov, K. V.
Burakova, L. P.
Puzyr, A. P.
Bondar, V. S.] Inst Biophys SB RAS, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Purtov, K.V.; Burakova, L.P.; Puzyr, A.P.; Bondar, V.S.

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Creation of Bifunctional Indicating Complex Based on Nanodiamonds and Extracellular Oxidases of Luminous Fungus Neonothopanus nambi / O. A. Mogilnaya [et al.] // Dokl. Biochem. Biophys. - 2018. - Vol. 480, Is. 1. - P135-138, DOI 10.1134/S160767291803002X. - Cited References:13 . - ISSN 1607-6729. - ISSN 1608-3091

РУБ Biochemistry & Molecular Biology + Biophysics
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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Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Inst Biophys, Krasnoyarsk, Russia.

Доп.точки доступа:
Mogilnaya, O. A.; Ronzhin, N. O.; Artemenko, K. S.; Bondar, V. S.

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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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Specific features in the change of electrical resistivity of carbon nanocomposites based on nanodiamonds under neutron irradiation / S. K. Gordeev [et al.] // Phys. Solid State. - 2013. - Vol. 55, Is. 7. - P1480-1486, DOI 10.1134/S1063783413070147. - 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). . - 7. - ISSN 1063-7834

РУБ Physics, Condensed Matter
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.

Держатели документа:
[Gordeev, S. K.
Korchagina, S. B.] Cent Res Inst Mat, St Petersburg 191014, Russia
[Konopleva, R. F.
Chekanov, V. A.
Belyaev, S. P.
Golosovskii, I. V.] Natl Res Ctr Kurchatov Inst, Konstantinov Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Oblas, Russia
[Denisov, I. A.
Belobrov, P. I.] Siberian Fed Univ, Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia
[Belyaev, S. P.] St Petersburg State Univ, St Petersburg 199034, Russia : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Gordeev, S.K.; Konopleva, R.F.; Chekanov, V.A.; Korchagina, S.B.; Belyaev, S.P.; Golosovskii, I.V.; Denisov, I.A.; Belobrov, P.I.

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Nonlinear scattering of light in nanodiamond hydrosol [Text] / G. M. Mikheev [et al.] // Tech. Phys. Lett. - 2010. - Vol. 36, Is. 4. - P358-361, DOI 10.1134/S1063785010040206. - 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." . - ISSN 1063-7850

РУБ Physics, Applied
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.

Держатели документа:
[Mikheev, G. M.] Russian Acad Sci, Inst Appl Mech, Ural Branch, Izhevsk 426067, Udmurtia, Russia
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Mikheev, G.M.; Puzyr', A.P.; Vanyukov, V.V.; Purtov, K.V.; Mogileva, T.N.; Bondar', V.S.

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Nanodiamonds as Carriers for Address Delivery of Biologically Active Substances [Text] / K. V. Purtov [et al.] // Nanoscale Res. Lett. - 2010. - Vol. 5, Is. 3. - P631-636, DOI 10.1007/s11671-010-9526-0. - Cited References: 24. - This work was supported by the Program # 27 for Basic Research of the Presidium of RAS (project 3.6.3). . - ISSN 1931-7573

РУБ Nanoscience & Nanotechnology + Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
ANTICANCER DRUGS
   NANOPARTICLES
   ADSORPTION
   PARTICLES
   PROTEINS
Кл.слова (ненормированные):
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.

Держатели документа:
[Purtov, K. V.
Puzyr, A. P.
Bondar, V. S.] SB RAS, Inst Biophys, Krasnoyarsk, Russia
[Petunin, A. I.] Med Res Co Dias, Krasnoyarsk, Russia
[Burov, A. E.] SB RAS, Inst Computat Modeling, Krasnoyarsk, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Purtov, K.V.; Petunin, A.I.; Burov, A.E.; Puzyr, A.P.; Bondar, V.S.

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