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Showing 1 to 12 of 15 entries
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Nanodiamonds and surfactants in water: Hydrophilic and hydrophobic interactions.

Journal of colloid and interface science

Vervald AM, Laptinskiy KA, Burikov SA, Laptinskaya TV, Shenderova OA, Vlasov II, Dolenko TA.
PMID: 30959260
J Colloid Interface Sci. 2019 Jul 01;547:206-216. doi: 10.1016/j.jcis.2019.03.102. Epub 2019 Mar 30.

HYPOTHESIS: Nanodiamonds, one of the most promising nanomaterials for the use in biomedicine, placed in the organisms are bound to interact with various amphiphilic lipids and their micelles. However, while the influence of surfactants, the close relative of lipids,...

Absolute luminescence quantum yield for nanosized carbon particles in water as a function of excitation wavelength.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Laptinskiy KA, Burikov SA, Patsaeva SV, Vlasov II, Shenderova OA, Dolenko TA.
PMID: 31839574
Spectrochim Acta A Mol Biomol Spectrosc. 2020 Mar 15;229:117879. doi: 10.1016/j.saa.2019.117879. Epub 2019 Dec 02.

The absolute luminescence quantum yield Q as a function of excitation wavelength λ

Inelastic neutron scattering: a novel approach towards determination of equilibrium isotopic fractionation factors. Size effects on heat capacity and beta-factor of diamond.

Physical chemistry chemical physics : PCCP

Shiryaev AA, Polyakov VB, Rols S, Rivera A, Shenderova O.
PMID: 32500891
Phys Chem Chem Phys. 2020 Jun 21;22(23):13261-13270. doi: 10.1039/d0cp02032j. Epub 2020 Jun 05.

A new experimental method for the determination of equilibrium isotopic properties of substances based on inelastic neutron scattering (INS) is proposed. We present a mathematical formalism, which allows the calculation of the beta-factor of single-element solids based on INS-derived...

Brilliant blue, green, yellow, and red fluorescent diamond particles: synthesis, characterization, and multiplex imaging demonstrations.

Nanoscale

Nunn N, Prabhakar N, Reineck P, Magidson V, Kamiya E, Heinz WF, Torelli MD, Rosenholm J, Zaitsev A, Shenderova O.
PMID: 31169858
Nanoscale. 2019 Jun 20;11(24):11584-11595. doi: 10.1039/c9nr02593f.

Until recently, the number of emission colors available from fluorescent diamond particles was primarily limited to red to near-infrared fluorescence from the nitrogen-vacancy color center in type Ib synthetic diamond and green fluorescence associated with the nitrogen-vacancy-nitrogen center in...

A Phantom Study of Terahertz Spectroscopy and Imaging of Micro- and Nano-diamonds and Nano-onions as Contrast Agents for Breast Cancer.

Biomedical physics & engineering express

Bowman T, Walter A, Shenderova O, Nunn N, McGuire G, El-Shenawee M.
PMID: 29527326
Biomed Phys Eng Express. 2017 Oct;3(5):055001. doi: 10.1088/2057-1976/aa87c2. Epub 2017 Sep 13.

THz imaging is effective in distinguishing between cancerous, healthy, and fatty tissues in breast tumors, but a challenge remains in the contrast between cancerous and fibroglandular (healthy) tissues. This work investigates carbon-based nanoparticles as potential contrast agents for terahertz...

(13)C spin-lattice relaxation in nanodiamonds in static and magic angle spinning regimes.

Solid state nuclear magnetic resonance

Sergeev NA, Panich AM, Olszewski M, Shenderova O, Goren SD.
PMID: 25465482
Solid State Nucl Magn Reson. 2015 Apr-May;66:51-55. doi: 10.1016/j.ssnmr.2014.10.008. Epub 2014 Nov 13.

We report on (13)C nuclear spin-lattice relaxation time (T1) dependence on the magic-angle-spinning (MAS) rate in powder nanodiamond samples. We confirm that the relaxation is caused by interaction of nuclear spins with fluctuating electron spins of localized paramagnetic defects....

Theory and modelling of diamond fracture from an atomic perspective.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

Brenner DW, Shenderova OA.
PMID: 25713444
Philos Trans A Math Phys Eng Sci. 2015 Mar 28;373(2038). doi: 10.1098/rsta.2014.0139.

Discussed in this paper are several theoretical and computational approaches that have been used to better understand the fracture of both single-crystal and polycrystalline diamond at the atomic level. The studies, which include first principles calculations, analytic models and...

Pharmacodynamic Studies of Fluorescent Diamond Carriers of Doxorubicin in Liver Cancer Cells and Colorectal Cancer Organoids.

Nanotechnology, science and applications

Firestein R, Marcinkiewicz C, Nie L, Chua HK, Velazquez Quesada I, Torelli M, Sternberg M, Gligorijevic B, Shenderova O, Schirhagl R, Feuerstein GZ.
PMID: 34522092
Nanotechnol Sci Appl. 2021 Sep 07;14:139-159. doi: 10.2147/NSA.S321725. eCollection 2021.

BACKGROUND: We recently reported on preferential deposition of bare fluorescent diamond particles FDP-NV-700/800nm (FDP-NV) in the liver following intravenous administration to rats. The pharmacokinetics of FDP-NV in that species indicated short residency in the circulation by rapid clearance by...

Effect of proton irradiation on photoluminescent properties of PDMS-nanodiamond composites.

Nanotechnology

Borjanovic V, Lawrence WG, Hens S, Jaksic M, Zamboni I, Edson C, Vlasov I, Shenderova O, McGuire GE.
PMID: 21832790
Nanotechnology. 2008 Nov 12;19(45):455701. doi: 10.1088/0957-4484/19/45/455701. Epub 2008 Oct 09.

Pure poly(dimethylsiloxane) (PDMS) films, PDMS-nanodiamond (ND) and pure nanodiamond powder were irradiated with 2 MeV protons under a variety of fluence and current conditions. Upon proton irradiation, these samples acquire a fluence-dependent photoluminescence (PL). The emission and excitation spectra,...

Nanodiamond-stabilized Pickering emulsions: Microstructure and rheology.

Journal of colloid and interface science

Farias BV, Brown D, Hearn A, Nunn N, Shenderova O, Khan SA.
PMID: 32683116
J Colloid Interface Sci. 2020 Nov 15;580:180-191. doi: 10.1016/j.jcis.2020.07.030. Epub 2020 Jul 09.

HYPOTHESIS: We envisage the use of hydroxylated detonation nanodiamonds (ND-OH), a relatively novel carbonaceous filler with high adsorption activity, small size, and large surface area to create Pickering emulsions. The emulsion behavior under shear and the extent to which...

Review Article: Synthesis, properties, and applications of fluorescent diamond particles.

Journal of vacuum science and technology. B, Nanotechnology & microelectronics : materials, processing, measurement, & phenomena : JVST B

Shenderova OA, Shames AI, Nunn NA, Torelli MD, Vlasov I, Zaitsev A.
PMID: 31032146
J Vac Sci Technol B Nanotechnol Microelectron. 2019 May;37(3):030802. doi: 10.1116/1.5089898. Epub 2019 Apr 12.

Diamond particles containing color centers-fluorescent crystallographic defects embedded within the diamond lattice-outperform other classes of fluorophores by providing a combination of unmatched photostability, intriguing coupled magneto-optical properties, intrinsic biocompatibility, and outstanding mechanical and chemical robustness. This exceptional combination of...

Nanodiamond particles forming photonic structures.

Nanotechnology

Grichko V, Tyler T, Grishko VI, Shenderova O.
PMID: 21825753
Nanotechnology. 2008 Jun 04;19(22):225201. doi: 10.1088/0957-4484/19/22/225201. Epub 2008 Apr 25.

Colloid suspensions of irregularly shaped, highly charged detonation nanodiamond particles are found to have unexpected optical properties, similar to those of photonic crystals. This finding is all the more surprising since the particles used in this work are far...

Showing 1 to 12 of 15 entries