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Detection of nanodiamonds in biological samples by EPR spectrometry / E. V. Inzhevatkin [et al.] // Doklad. Biochem. Biophys. - 2017. - Vol. 477, Is. 1. - P394-397, DOI 10.1134/S1607672917060138 . - ISSN 1607-6729
Аннотация: In model experiments in vitro, the applicability of the EPR spectrometry method for the detection of modified nanodiamonds (MNDs) in blood and homogenates of mouse organs has been established. A characteristic signal (g = 2.003, ?H ? 10 G) is observed in the samples of biomaterials containing MNDs, the intensity of which increases linearly with the concentration of nanoparticles in the range of 1.6–200 ?g MNDs per 1 mL of the sample. The EPR method in biomaterials reveals the presence of intrinsic paramagnetic centers, signals from which are superimposed on the signal from the MNDs. However, the intensity of these signals is small, which makes it possible to register the MNDs using EPR spectrometry with the necessary accuracy. The data obtained open up the prospects of using the EPR method for studies of the interorgan distribution, accumulation, and elimination of MNDs during their intravenous injection into experimental animals. © 2017, Pleiades Publishing, Ltd.

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Держатели документа:
International Scientific Center for Studies of Extreme States of Organism, Federal Research Center “Krasnoyarsk Scientific Center,” Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Institute of Biophysics, Federal Research Center “Krasnoyarsk Scientific Center”, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology, Federal Research Center “Krasnoyarsk Scientific Center,” Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Inzhevatkin, E. V.; Baron, A. V.; Maksimov, N. G.; Volkova, M. B.; Puzyr, A. P.; Bondar, V. S.

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Single bright NV centers in aggregates of detonation nanodiamonds / S. V. Bolshedvorskii [et al.] // Opt. Mater. Express. - 2017. - Vol. 7, Is. 11, DOI 10.1364/OME.7.004038 . - ISSN 2159-3930
Кл.слова (ненормированные):
Aggregates -- Detonation -- Detonation nanodiamonds -- NV center -- Spin properties -- Nanodiamonds
Аннотация: In this paper, we experimentally investigate optical and spin properties of NV centers in aggregates of detonation nanodiamonds. We show that despite the small size of nanodiamonds forming the aggregate, the NV centers in these aggregates exhibit spin properties comparable to similar size nanodiamonds grown by other methods, but with brightness enhanced by a factor of 2. © 2017 Optical Society of America.

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Держатели документа:
P.N. Lebedev Physical Institute, 53 Leninskij Prospekt, Moscow, Russian Federation
Russian Quantum Center, 100 Novaya St., Skolkovo, Moscow, Russian Federation
Moscow Institute of Physics and Technology, 9 Institutskiy per., Dolgoprudny, Moscow Region, Russian Federation
Photonic Nano-Meta Technologies, The Territory of Skolkovo Innovation Center, Str. Nobel b.7, Moscow, Russian Federation
Prokhorov General Physics Institute RAS, 38 Vavilov Str., Moscow, Russian Federation
Moscow National Research Nuclear University 'MEPhI', 31 Kashirskoe shosse, Moscow, Russian Federation
Moscow State Pedagogical University, 1/1 Pirogovskaya Str., Moscow, Russian Federation
Siberian Federal University and Institute of Biophysics SB RAS, 79 Svobodny Prospect, Krasnoyarsk, Russian Federation
Texas A and oM University, 4242 TAMU, College Station, TX, United States

Доп.точки доступа:
Bolshedvorskii, S. V.; Vorobyov, V. V.; Soshenko, V. V.; Shershulin, V. A.; Javadzade, J.; Zeleneev, A. I.; Komrakova, S. A.; Sorokin, V. N.; Belobrov, P. I.; Smolyaninov, A. N.; Akimov, A. V.

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On the applicability of nanodiamonds produced by detonation synthesis for phenol testing in aqueous media / N. O. Ronzhin, A. P. Puzyr, V. S. Bondar // Dokl. Chem. - 2017. - Vol. 475, Is. 1. - P155-158, DOI 10.1134/S0012500817070011 . - ISSN 0012-5008
Аннотация: It was found that the catalytic effect of modified nanodiamonds (MND) in the H2O2–4-aminoantipyrine–phenol oxidative azo coupling reaction is due to microimpurities of iron and copper ions on the surface of nanoparticles. The efficiency of MND as a catalyst is determined by the amount of surface impurities of these ions and can be doubled by their additional adsorption on nanoparticles. Using MND for phenol indication ensures a linear yield of the colored product of the azo coupling reaction over an analyte concentration range of 0.05–10 ?g/mL. The possibility of reusing MND for phenol testing in aqueous samples was demonstrated. © 2017, Pleiades Publishing, Ltd.

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Держатели документа:
Institute of Biophysics, Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Ronzhin, N. O.; Puzyr, A. P.; Bondar, V. S.

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Nanodiamonds as an effective adsorbent for immobilization of extracellular peroxidases from luminous fungus Neonothopanus nambi to construct a phenol detection system / O. Mogilnaya [et al.] // Biocatal. Biotransform. - 2019. - Vol. 37, Is. 2. - P97-105, DOI 10.1080/10242422.2018.1472586. - Cited References:50. - This work was supported by the state budget allocated to the fundamental research at the Russian Academy of Sciences [project no. 0356-2016-0709]. . - ISSN 1024-2422. - ISSN 1029-2446

РУБ Biochemistry & Molecular Biology + Biotechnology & Applied Microbiology
Рубрики:
CARBON NANOTUBES
   ARMILLARIA-BOREALIS
   LIGHT-EMISSION
   DEGRADATION
Кл.слова (ненормированные):
Nanodiamonds -- immobilization -- luminous fungus -- beta-glucosidase -- peroxidase -- indicator system
Аннотация: Modified nanodiamonds (MNDs) produced by detonation synthesis can be used as an effective adsorbent to immobilize extracellular peroxidases of the luminous basidiomycete Neonothopanus nambi. The enzymes are firmly immobilized on MND particles and exhibit catalytic activity. The indicator system (the MND-enzyme complex) reused many times retains its ability to catalyze reaction of co-oxidation of phenol and 4-aminoantipirine in the presence of hydrogen peroxide and remains functionally active during long-term storage (for 1 month or longer) in aqueous suspensions at 4 degrees C. MNDs and enzymes of higher fungi can be effectively used to construct new reusable indicator systems for analytical applications such as monitoring contamination of aquatic environments by phenolic compounds.

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Держатели документа:
RAS, Inst Biophys, Fed Res Ctr, Krasnoyarsk Sci Ctr,SB, Krasnoyarsk, Russia.

Доп.точки доступа:
Mogilnaya, Olga; Ronzhin, Nikita; Artemenko, Karina; Bondar, Vladimir; Russian Academy of Sciences [0356-2016-0709]

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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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Detonation Nanodiamonds as a New Tool for Phenol Detection in Aqueous Medium / N. Ronzhin, A. Puzyr, V. Bondar // J. Nanosci. Nanotechnol. - 2018. - Vol. 18, Is. 8. - P5448-5453, DOI 10.1166/jnn.2018.15382. - Cited References:27. - This work was supported by the state budget allocated to the fundamental research at the Russian Academy of Sciences (Project No. 0356-2016-0709) and Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology Support Fund to the research (Project No. 16-43-243027). . - ISSN 1533-4880. - ISSN 1533-4899

РУБ Chemistry, Multidisciplinary + Nanoscience & Nanotechnology + Materials
Рубрики:
ENVIRONMENTAL-POLLUTANTS
   DRUG-DELIVERY
   PARTICLES
   CARBON
Кл.слова (ненормированные):
Detonation Nanodiamonds -- Catalytic Activity -- Metal Ions -- Azo Coupling -- Reaction -- Phenol Detection
Аннотация: This paper demonstrates the effectiveness of using detonation nanodiamonds (DNDs) for detecting phenol in aqueous medium. The study has shown that the catalytic effect of DNDs in the oxidative azo coupling reaction (phenol-4-aminoantipyrine-hydrogen peroxide) is produced by trace amounts of iron and copper ions adsorbed on the surface of nanoparticles. The effectiveness of DNDs as a catalyst is determined by the amounts of these adsorbates and can be enhanced by a factor of two by additional adsorption of these ions onto the nanoparticles. A rise in the temperature of the ONO-catalyzed azo coupling reaction leads to a considerable (4.5-fold) increase in the reaction product yield. DNDs used to detect phenol in aqueous medium enable a linear increase in the yield of the product of the azo coupling reaction at concentrations of the analyte of between 0.05 and 10 mu g/mlThe study demonstrates that DNDs can be reused to detect phenol in water samples.

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Держатели документа:
RAS, SB, Krasnoyarsk Sci Ctr, Inst Biophys,Fed Res Ctr, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Ronzhin, Nikita; Puzyr, Alexey; Bondar, Vladimir; Russian Academy of Sciences [0356-2016-0709]; Russian Foundation for Basic Research, Government of Krasnoyarsk Territory, Krasnoyarsk Region Science and Technology [16-43-243027]

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The effect of silver ions electrolytically introduced into colloidal nanodiamond solution on its viscosity and thermal conductivity / A. P. Puzir’ [et al.] // Colloid J. - 2017. - Vol. 79, Is. 2. - P258-263, DOI 10.1134/S1061933X17020119 . - ISSN 1061-933X
Кл.слова (ненормированные):
Dispersions -- Ions -- Metal ions -- Nanodiamonds -- Nanoparticles -- Silver -- Viscosity -- A-stable -- Detonation nanodiamond -- Diamond nano-particles -- Effect of silvers -- Silver concentration -- Silver ions -- Thermal conductivity
Аннотация: Experimental data have been presented on the influence of silver on the viscosity and thermal conductivity of a dispersion of diamond nanoparticles. A stable dispersion (5 wt %) of detonation nanodiamond particles has been used in the experiments. Silver ions have been introduced electrolytically into the dispersion of diamond nanoparticles. Silver concentration was not higher than 0.05 wt %. It has been shown that the introduction of silver ions significantly affects the thermal conductivity and viscosity of the dispersion. © 2017, Pleiades Publishing, Ltd.

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Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, ul. Akademgorodok 50/50, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodnyi pr. 79., Krasnoyarsk, Russian Federation
Special Design and Technology Bureau Nauka, Institute of Computational Technologies, Siberian Branch, Russian Academy of Sciences, pr. Mira 53, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, ul. Akademgorodok 50/38, Krasnoyarsk, Russian Federation
Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, ul. Akademgorodok 50/24, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Puzir’, A. P.; Minakov, A. V.; Burov, A. E.; Zharkov, S. M.; Maksimov, N. G.; Pryazhnikov, M. I.

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Saturable absorption in aqueous suspensions of detonation nanodiamonds under irradiation with femtosecond laser pulses / G. M. Mikheev [et al.] // Tech. Phys. Lett. - 2015. - Vol. 41, Is. 12. - P1163-1166, DOI 10.1134/S1063785015120263 . - ISSN 1063-7850
Аннотация: The phenomenon of saturable absorption has been observed in aqueous suspensions of detonation nanodiamonds (DNDs) with 34, 50, and 110 nm sized clusters of nanoparticles under irradiation with 795-nm laser pulses of 120-fs duration. The saturable absorption intensity has been studied as a function of the DND concentration in suspension. At a concentration of 2 wt % of DNDs with 50-nm average cluster size, the saturable absorption intensity amounts to 950 GW/cm2. © 2015, Pleiades Publishing, Ltd.

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Держатели документа:
Institute of Mechanics, Ural Branch, Russian Academy of Sciences, Izhevsk, Russian Federation
Institute of Photonics, University of Eastern Finland, Joensuu, Finland
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Mikheev, G. M.; Vanyukov, V. V.; Mogileva, T. N.; Puzyr’, A. P.; Bondar’, V. S.; Svirko, Y. P.

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Designing a reusable system based on nanodiamonds for biochemical determination of urea / N. O. Ronzhin [et al.] // Doklad. Biochem. Biophys. - 2015. - Vol. 465, Is. 1. - P428-431, DOI 10.1134/S1607672915060216 . - ISSN 1607-6729
Аннотация: A reusable system including urease covalently bound to the surface of modified nanodiamonds (MNDs) has been developed for the multiple determination of urea. The immobilized enzyme exhibits functional activity and catalyzes the hydrolysis of urea to yield ammonia. The presence of ammonia is confirmed by the formation of a colored product after the addition of chemical reagents. It was shown that the MNDs-urease complex can function in a wide range of temperatures and pH as well as in deionized water. The complex provides a linear yield of the product at low analyte concentrations and allows the multiple determination of urea in vitro. © 2015, Pleiades Publishing, Ltd.

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Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Ronzhin, N. O.; Baron, A. V.; Bondar, V. S.; Gitelson, I. I.

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10.

Effects of Nanodiamonds of Explosive Synthesis on the Skin of Experimental Animals Locally Exposed to Cobalt and Chrome Ions / V. I. Prokhorenkov [et al.] // Bull. Exp. Biol. Med. - 2014. - Vol. 158, Is. 2. - P264-267, DOI 10.1007/s10517-014-2737-0 . - ISSN 0007-4888
Кл.слова (ненормированные):
allergic contact dermatitis -- chrome -- cobalt -- ions of bivalent metals -- nanodiamonds -- chromium -- cobalt -- nanodiamond -- adsorption -- animal -- chemistry -- Dermatitis, Allergic Contact -- drug effects -- guinea pig -- nonparametric test -- skin -- Adsorption -- Animals -- Chromium -- Cobalt -- Dermatitis, Allergic Contact -- Guinea Pigs -- Nanodiamonds -- Skin -- Statistics, Nonparametric
Аннотация: Experiments in vivo demonstrated the protective effect of modified nanodiamonds on guinea pig skin after local exposure cobalt ions, but not chrome ions. The observed differences are determined by different adsorption of these ions by nanodiamonds: in vitro experiments showed that nanodiamonds adsorbed cobalt ions, but not chrome ions from water solutions. The perspectives of using modified nanodiamonds as a new adsorbent for prevention of allergic contact dermatitis induced by ions of bivalent metals are discussed. © 2014, Springer Science+Business Media New York.

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Держатели документа:
V. F. Voino-Yasenetsky Krasnoyarsk State Medical University, Ministry of Health of the Russian Federation, Krasnoyarsk, Russian Federation
Institute of Biophysics, Siberian Division of Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Prokhorenkov, V. I.; Vasil’eva, E. Y.; Puzyr’, A. P.; Bondar’, V. S.

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11.

Saturable absorption in detonation nanodiamond dispersions / V. Vanyukov [et al.] // J. Nanophoton. - 2017. - Vol. 11, Is. 3, DOI 10.1117/1.JNP.11.032506 . - ISSN 1934-2608
Кл.слова (ненормированные):
Modelocking -- Nanodiamonds -- Nanomaterials -- Nonlinear optics -- Saturable absorption -- Carbon -- Chains -- Dispersion (waves) -- Electromagnetic wave absorption -- Laser excitation -- Laser pulses -- Light -- Light absorption -- Locks (fasteners) -- Nanostructured materials -- Nonlinear optics -- Ultrafast lasers -- Ultrashort pulses -- Yarn -- Aqueous dispersions -- Detonation nanodiamond -- Light-induced -- Modelocking -- Nano-diamond particles -- Non-linear parameters -- Saturable absorption -- Z-scan experiment -- Nanodiamonds
Аннотация: We report on a saturable absorption in aqueous dispersions of nanodiamonds with femtosecond laser pulse excitation at a wavelength of 795 nm. The open aperture Z-scan experiments reveal that in a wide range of nanodiamond particle sizes and concentrations, a lightinduced increase of transmittance occurs. The transmittance increase originates from the saturation of light absorption and is associated with a light absorption at 1.5 eV by graphite and dimer chains (Pandey dimer chains). The obtained key nonlinear parameters of nanodiamond dispersions are compared with those of graphene and carbon nanotubes, which are widely used for the mode-locking. © 2017 Society of Photo-Optical Instrumentation Engineers (SPIE).

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Держатели документа:
Institute of Photonics, University of Eastern Finland, Joensuu, Finland
Hypermemo Ltd., Joensuu, Finland
Institute of Mechanics, Russian Academy of Sciences, Izhevsk, Russian Federation
Federal research center Krasnoyarsk science Center SB RAS, Siberian Branch of RAS, Institute of Biophysics, Krasnoyarsk, Russian Federation
Texas State University, San Marcos, TX, United States
CIC nanoGUNE Consolider, Donostia-San Sebastian, Spain
G Basque Foundation for Science, Ikerbasque, Bilbao, Spain

Доп.точки доступа:
Vanyukov, V.; Mikheev, G.; Mogileva, T.; Puzyr, A.; Bondar, V.; Lyashenko, D.; Chuvilin, A.

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12.

Optical limiting in suspension of detonation nanodiamonds in engine oil / K. G. Mikheev [et al.] // J. Nanophoton. - 2017. - Vol. 11, Is. 3. - P113258162, DOI 10.1117/1.JNP.11.032502 . - ISSN 1934-2608
Кл.слова (ненормированные):
Ambient temperature -- Detonation nanodiamonds -- Engine oil -- Optical limiting -- Optical limiting threshold -- Suspension -- Cluster analysis -- Detonation -- Engines -- Laser excitation -- Lubricating oils -- Nanoparticles -- Q switching -- Suspensions (fluids) -- Temperature -- Detonation nanodiamond -- Detonation nanodiamonds -- Engine oil -- Incident radiation -- Nanoparticle clusters -- Optical limiting -- Passive Q-switching -- Wide temperature ranges -- Nanodiamonds
Аннотация: The optical limiting (OL) of detonation nanodiamond (DND) suspensions in engine oil was studied at a temperature range of 20°C to 100°C. Oil suspensions were prepared on the basis of the DNDs with an average nanoparticle cluster size in hydrosols (Daver) of 50 and 110 nm. Raman spectroscopy was used to characterize the samples. The OL investigation was carried out by the z-scan technique. The fundamental (1064 nm) and second (532 nm) harmonic radiations of YAG:Nd3 laser with passive Q-switching as an excitation source were used. The OL thresholds for both suspensions at 532 and 1064 nm were determined. It is shown that a decrease in the average nanoparticle cluster size as well as an increase of the wavelength of the incident radiation leads to the OL threshold increase. It is established that the OL performance is not influenced by increasing the temperature from 20°C to 100°C. The results obtained show the possibility of using the DNDs suspensions in engine oil as an optical limiter in a wide temperature range. © 2017 Society of Photo-Optical Instrumentation Engineers (SPIE).

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Держатели документа:
Institute of Mechanics Ural Branch RAS, 34, T. Baramzinoy Street, Izhevsk, Russian Federation
Institute of Biophysics Siberian Branch of RAS, 50/50, Akademgorodok, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Mikheev, K. G.; Krivenkov, R. Yu.; Mogileva, T. N.; Puzyr, A. P.; Bondar, V. S.; Bulatov, D. L.; Mikheev, G. M.

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13.

Adsorption of viral particles from the blood plasma of patients with viral hepatitis on nanodiamonds / A. V. Baron [et al.] // Doklad. Biochem. Biophys. - 2016. - Vol. 469, Is. 1. - P244-246, DOI 10.1134/S1607672916040037 . - ISSN 1607-6729
Аннотация: Adsorption of viral particles from the blood plasma of patients with viral hepatitis B and C on modified nanodiamonds (MNDs) was shown in the in vitro experiments. PCR method showed the treatment of plasma with MNDs leads to a decrease in the viral load by 2–3 orders of magnitude or more in both cases studied. These results make it possible to predict the applicability of MNDs for the development of new technologies of hemodialysis and plasmapheresis for binding and removal of viral particles from the blood of infected patients. © 2016, Pleiades Publishing, Ltd.

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Держатели документа:
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodnyi pr. 79, Krasnoyarsk, Russian Federation
Krasnoyarsk Regional Center for Prevention and Control of AIDS, ul. Karla Marksa 47, Krasnoyarsk, Russian Federation
Voino-Yasenetskii State Medical University, Ministry of Health of the Russian Federation, ul. Partizana Zheleznyaka 1, Krasnoyarsk, Russian Federation
Krasnoyarsk Branch of Hematology Research Center, Ministry of Health of the Russian Federation, Krasnoyarsk, Russian Federation
Krasnoyarsk Research Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Baron, A. V.; Osipov, N. V.; Yashchenko, S. V.; Kokotukha, Y. A.; Baron, I. J.; Puzyr, A. P.; Olkhovskiy, I. A.; Bondar, V. S.

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14.

A new composite material based on alumina nanofibers and detonation nanodiamonds: synthesis, characterization, and sensing application / N. O. Ronzhin, E. D. Posokhina, E. V. Mikhlina [et al.] // J. Nanopart. Res. - 2021. - Vol. 23, Is. 9. - Ст. 199, DOI 10.1007/s11051-021-05309-y. - Cited References:57. - This work is partially supported by the Russian Foundation for Basic Research, Project 18-29-19078 (E. V. Mikhlina, M. M. Simunin, I. Ryzhkov). . - ISSN 1388-0764. - ISSN 1572-896X

РУБ Chemistry, Multidisciplinary + Nanoscience & Nanotechnology + Materials
Рубрики:
ELECTROCHEMICAL ENERGY-STORAGE
SELECTIVE DETECTION
PHENOL DETECTION
Кл.слова (ненормированные):
Nanodiamonds -- Alumina nanofibers -- Composite -- Indicator system -- Phenol
Аннотация: The development of inexpensive, easy-to-produce, and easy-to-use analytical tools for detection of harmful and toxic substances is a relevant research problem with direct applications in environmental monitoring and protection. In this work, we propose a novel composite material based on alumina nanofibers and detonation nanodiamonds for detection of phenol in aqueous medium. The composite material was obtained by mixing an aqueous suspension of alumina nanofibers with a diameter of 10-15 nm and a length of several microns and a hydrosol of nanodiamonds with an average cluster size of 70 nm. The mechanisms underlying the interaction of these nanomaterials are clarified and the physicochemical properties of the composite are investigated. The SEM and TEM studies show that the obtained composite has a network structure, in which clusters of nanodiamonds (10-20 nm in diameter) are distributed over the surface of nanofibers. Coupling of nanomaterials occurs due to opposite signs of their zeta potentials, which results in electrostatic attraction and subsequent chemical bonding as indicated by the X-ray photoelectron spectroscopy and simultaneous thermal analysis. The bonding apparently occurs between functional groups (mainly carboxyl) on the surface of nanodiamonds and amphoteric hydroxyl groups on the surface of alumina nanofibers. The proposed composite allows an easy-to-perform colorimetric analysis for qualitative and quantitative determination of phenol in aqueous samples with linear response over a wide range of concentrations (0.5-106 mu M). Multiple tests have shown that the composite is reusable and retains its catalytic function for at least 1 year during storage at room temperature.

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Держатели документа:
Inst Biophys SB RAS, Akademgorodok 50-50, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Svobodny 79, Krasnoyarsk 660041, Russia.
Inst Computat Modelling SB RAS, Akademgorodok 50-44, Krasnoyarsk 660036, Russia.
Inst Chem & Chem Technol SB RAS, Akademgorodok 50-24, Krasnoyarsk 660036, Russia.
Fed Res Ctr KSC SB RAS, Akademgorodok 50-38, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Ronzhin, Nikita O.; Posokhina, Ekaterina D.; Mikhlina, Elena, V; Mikhlin, Yuri L.; Simunin, Mikhail M.; Tarasova, Lyudmila S.; Vorobyev, Sergey A.; Bondar, Vladimir S.; Ryzhkov, Ilya I.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-29-19078]

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15.

Reusable System for Phenol Detection in an Aqueous Medium Based on Nanodiamonds and Extracellular Oxidase from Basidiomycete Neonothopanus nambi / N. O. Ronzhin, O. A. Mogilnaya, E. D. Posokhina, V. S. Bondar // Dokl. Biochem. Biophys. - 2021. - Vol. 499, Is. 1. - P220-224, DOI 10.1134/S1607672921040141. - Cited References:15 . - ISSN 1607-6729. - ISSN 1608-3091

РУБ Biochemistry & Molecular Biology + Biophysics
Рубрики:
PEROXIDASES
EXPRESSION
Кл.слова (ненормированные):
nanodiamond -- extracellular oxidase -- basidiomycete Neonothopanus nambi -- indication system -- phenol
Аннотация: A reusable system for phenol determination in an aqueous medium was obtained by adsorption of extracellular oxidase from fungus Neonothopanus nambi onto modified nanodiamonds (MND) synthesized by detonation. It was found that the enzyme strongly binds to MND and exhibits catalytic activity in the reaction of co-oxidation of phenol with 4-aminoantipyrine without the addition of hydrogen peroxide. In the presence of the MND-oxidase complex, a significantly (by an order of magnitude) higher yield of the reaction product is recorded as compared to the yield in the presence of a free enzyme; the mechanism of the revealed effect is discussed. Model experiments have demonstrated the multiple use of the MND-oxidase complex for testing phenol in aqueous samples. The immobilized enzyme exhibits functional activity during long-term (2 months) storage of the MND-oxidase complex at 4 degrees C. The data obtained create the prerequisites for using the created system in environmental monitoring of water pollution with phenol.

WOS
Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Inst Biophys,Fed Res Ctr, Krasnoyarsk, Russia.

Доп.точки доступа:
Ronzhin, N. O.; Mogilnaya, O. A.; Posokhina, E. D.; Bondar, V. S.

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16.

Prolonged effects of nanodiamonds conjugated with corticosteroids / C. K. Rhee, A. E. Burov, A. P. Puzyr, V. S. Bondar // Appl. Surf. Sci. - 2021. - Vol. 551: 16th International Symposium on Novel and Nano Materials (ISNNM) (NOV 03-06, 2020, Jeju, SOUTH KOREA). - Ст. 149334, DOI 10.1016/j.apsusc.2021.149334. - Cited References:26. - The authors are grateful to Daewha Alloytech Co., Ltd (Republic of Korea) for financial support of the research. . - ISSN 0169-4332. - ISSN 1873-5584

РУБ Chemistry, Physical + Materials Science, Coatings & Films + Physics,
Рубрики:
BIOMEDICAL APPLICATIONS
SURFACE MODIFICATION
Кл.слова (ненормированные):
Detonation nanodiamonds -- Modification -- Corticosteroids -- Delivery system -- Prolonged release
Аннотация: The application of detonation nanodiamonds (DNDs) in delivery systems has been demonstrated many times for a variety of substances, including anti-inflammatory drugs, antibiotics, antineoplastic agents, vitamins etc. The applicability of detonation nanodiamonds as a carrier for delivery of corticosteroids is investigated in this study. Commercial DNDs were modified to obtain particles with high colloidal stability in aqueous suspensions. Physical adsorption was then used to conjugate the DNDs with methylprednisolone sodium succinate and dexamethasone sodium phosphate. The experimental adsorption isotherms were fit with Langmuir and Freundlich adsorption models. The results of in vitro release study demonstrated an explicit prolonged effect of DNDs, due to which a sustained release of the adsorbed drugs was provided.

WOS
Держатели документа:
Korea Atom Energy Res Inst, Daejeon 34057, South Korea.
Fed Res Ctr Informat & Computat Technol, Krasnoyarsk 660049, Russia.
Krasnoyarsk Sci Ctr SB RAS, Inst Biophys SB RAS, Fed Res Ctr, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Rhee, Chang Kyu; Burov, Andrey E.; Puzyr, Alexey P.; Bondar, Vladimir S.; Daewha Alloytech Co., Ltd (Republic of Korea)

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17.

   Е071
   Б 63


    Биомедицинские приложения наноалмазов взрывного синтеза [Текст] = Biomedical applications of nanodiamonds of explosive synthesis / В. С. Бондарь, А. П. Пузырь, Н. О. Ронжин // Биофизика для экологии и медицины: к 90-летию академика РАН И. И. Гительзона / И. И. Гительзон, Т. Г. Волова, А. Г. Дегерменджи [и др.] ; ред., авт. предисл. Т. Г. Волова. - Новосибирск : Издательство Сибирского отделения Российской академии наук, 2019. - С. 149-165. - Библиогр.: с. 161-165 . - ISBN 978-5-7692-1650-3

УДК

577

574

ББК Е071я43 + Р252.0я43

Доп.точки доступа:
Гительзон, Иосиф Исаевич; Волова, Татьяна Григорьевна; Дегерменджи, Андрей Георгиевич; Дегерменджи, Н. Н.; Шевырногов, Анатолий Петрович; Кратасюк, В. А.; Барцев, Сергей иванович; Болсуновский, Александр Яковлевич; Бондарь, Владимир Антонович; Буров, А. Е.; Величко, В. В.; Гладышев, Михаил Иванович; Есимбекова, Е. Н.; Дементьев, Д. В.; Задереев, Егор Сергеевич; Зотина, Т. А.; Косиненко, Сергей Васильевич; Медведева, С. Е.; Петушков, В. Н.; Печуркин, Николай Савельевич; Прокопкин, И. Г.; Пузырь, А. П.; Пуртов, К. В.; Рогозин, Денис Юрьевич; Родионова, Н. С.; Ронжин, Н. О.; Сомова, Лидия Александровна; Тихомиров, Александр Аполлинариевич; Тихомирова, Наталья Александровна; Трифонов, С. В.; Ушакова, Софья Аврумовна; Франк, Л. А.; Хромечек, Е. Б.; Шишацкая, Е. И.; Шуваев, А. Н.; Бондарь, Владимир Станиславович; Российская академия наук. Сибирское отделение; Институт биофизики(Красноярск)

Имеются экземпляры в отделах: всего 1 : ИБФ-КФ (1)
Свободны: ИБФ-КФ (1)

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18.

Biodistribution of Detonation Synthesis Nanodiamonds in Mice after Intravenous Administration and Some Biochemical Changes in Blood Plasma / E. V. Inzhevatkin, A. V. Baron, M. B. Volkova [et al.] // Bull. Exp. Biol. Med. - 2021. - Vol. 172, Is. 1. - P77-80, DOI 10.1007/s10517-021-05335-9. - Cited References:9 . - ISSN 0007-4888. - ISSN 1573-8221

РУБ Medicine, Research & Experimental

Кл.слова (ненормированные):
detonation synthesis nanodiamonds -- EPR-spectrometry -- intravenous -- administration -- biodistribution -- biochemical changes in blood plasma
Аннотация: Biodistribution of nanodiamonds in mice after intravenous administration, activities of AST and ALT, and the level of bilirubin in the blood plasma were studied in 2.5 h and 10, 35, and 97 days after injection of nanodiamonds. In 2.5 h after intravenous injection, nanodiamonds mainly accumulate in the lungs and liver. Then, redistribution of nanodiamonds from all organs to the liver was observed. Activities of AST and ALT and the level of bilirubin in the blood increased after 2.5 h and then decreased to the initial values.

WOS
Держатели документа:
Russian Acad Sci, Int Sci Ctr Extremal Organism State Res, Fed Res Ctr, Krasnoyarsk Sci Ctr,Siberian Div, Krasnoyarsk, Russia.
Russian Acad Sci, Fed Res Ctr, Inst Biophys, Krasnoyarsk Sci Ctr,Siberian Div, Krasnoyarsk, Russia.
Natl Res Univ, Moscow Inst Phys & Technol, Dolgoprudnyi, Moscow Region, Russia.
Russian Acad Sci, Fed Res Ctr, Inst Chem & Chem Technol, Krasnoyarsk Sci Ctr,Siberian Div, Krasnoyarsk, Russia.
Krasnoyarsk Reg Clin Ctr Matern & Child Protect, Krasnoyarsk, Russia.

Доп.точки доступа:
Inzhevatkin, E., V; Baron, A., V; Volkova, M. B.; Maksimov, N. G.; Golubenko, N. K.; Loshkareva, M., V; Puzyr', A. P.; Ronzhin, N. O.; Bondar, V. S.

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19.

Biodistribution of Detonation Synthesis Nanodiamonds in Mice after Intravenous Administration and Some Biochemical Changes in Blood Plasma / E. V. Inzhevatkin, A. V. Baron, M. B. Volkova [et al.] // Bull. Exp. Biol. Med. - 2021, DOI 10.1007/s10517-021-05335-9 . - Article in press. - ISSN 0007-4888
Кл.слова (ненормированные):
biochemical changes in blood plasma -- biodistribution -- detonation synthesis nanodiamonds -- EPR-spectrometry -- intravenous administration
Аннотация: Biodistribution of nanodiamonds in mice after intravenous administration, activities of AST and ALT, and the level of bilirubin in the blood plasma were studied in 2.5 h and 10, 35, and 97 days after injection of nanodiamonds. In 2.5 h after intravenous injection, nanodiamonds mainly accumulate in the lungs and liver. Then, redistribution of nanodiamonds from all organs to the liver was observed. Activities of AST and ALT and the level of bilirubin in the blood increased after 2.5 h and then decreased to the initial values. © 2021, Springer Science+Business Media, LLC, part of Springer Nature.

Scopus
Держатели документа:
International Scientific Center of Extremal Organism State Research, Federal Research Center Krasnoyarsk Science Center, Siberian Division of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Institute of Biophysics, Federal Research Center Krasnoyarsk Science Center, Siberian Division of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Moscow region, Russian Federation
Institute of Chemistry and Chemical Technology, Federal Research Center Krasnoyarsk Science Center, Siberian Division of the Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Krasnoyarsk Regional Clinical Center of Maternity and Child Protection, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Inzhevatkin, E. V.; Baron, A. V.; Volkova, M. B.; Maksimov, N. G.; Golubenko, N. K.; Loshkareva, M. V.; Puzyr’, A. P.; Ronzhin, N. O.; Bondar, V. S.

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20.

    A Novel Approach Towards Green Synthesis of Nanodiamonds as Biocompatible Agents / A. Anand, M. Saran, S. Chaudhary [et al.] // J. Nano. Electron. Phys. - 2021. - Vol. 13, Is. 3. - P1-6, DOI 10.21272/jnep.13(3).03040 . - ISSN 2077-6772
   Перевод заглавия: Новий підхід до зеленого синтезу наноалмазів як біосумісних агентів
Кл.слова (ненормированные):
Antimicrobial -- Antioxidants -- Biocompatible agents -- Green synthesis
Аннотация: The application of nanobiotechnology is an emerging area of nanoscience and nanotechnology. Nanodi-amond has been a potent antibacterial, antifungal, antioxidant, and antiplatelet agent. In the present study, nanodiamonds were reduced by green synthesis and characterization was done through SEM, TEM, FTIR, and XRD. Further they were tested for their biological applications. The antimicrobial activity was investigated/studied/examined? through well diffusion method. The best activity was observed against Trichoderma reesei (16 mm) at 140 ?g/ml. The antioxidant activity was investigated through DPPH and FRAPS method. It was observed that the biologically reduced nanodiamonds reduce the Fe3+ ions to Fe2+ ions at 600 mM/l/g concentration. In DPPH assay, inhibitory concentration was found to be 4.58 ?g/ml. Further the antiplatelet activity was investigated by prothrombin time (PT) and activated partial throm-boplastin time (APTT) assay, and it was observed that biologically reduced nanodiamonds have potent an-tiplatelet activity. © 2021 Sumy State University

Scopus
Держатели документа:
Department of Biotechnology, Mewar University, Chittorgarh, 312901, India
Department of Physics, Manipal University Jaipur, Jaipur, 303007, India
Department of Nanobiotechnology, Seminal Applied Sciences Pvt. Ltd, Jaipur, 302015, India
Department of Chemistry, Malviya National Institute of Technology, Jaipur, 302017, India
School of Agriculture, Suresh Gyan Vihar University, Mahal Road, Jaipur, 302017, India
Institute of Computational Technologies SB RAS, Krasnoyarsk, 660049, Russian Federation
Institute of Biophysics, SB RAS, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Anand, A.; Saran, M.; Chaudhary, S.; Ronin, R. S.; Swami, A. K.; Mathur, M.; Burov, A.; Bagaria, A.

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