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Proposed Optical Manipulation of Nanoparticles to Access and Select Emission Lines.
Nano Lett
January 2025
Department of Materials Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan.
Optical manipulation of nanomaterials using light resonant with material excitations holds promise for enhancing optical forces and sorting particles by unique quantum properties. Conventional resonant optical sorting mainly relies on absorption and scattering forces, making it difficult to sort nanomaterials by specific emission lines. Furthermore, emission typically induces negligible force unless the material is highly anisotropic, limiting selective manipulation via emission characteristics.
View Article and Find Full Text PDFDetonation Nanodiamond Soot-A Structurally Tailorable Hybrid Graphite/Nanodiamond Carbon-Based Material.
Nanomaterials (Basel)
January 2025
Enikolopov Institute of Synthetic Polymer Materials Russian Academy of Sciences (ISPM RAS), Profsoyuznaya St. 70, 117393 Moscow, Russia.
The results of a comprehensive investigation into the structure and properties of nanodiamond soot (NDS), obtained from the detonation of various explosive precursors (trinitrotoluene, a trinitrotoluene/hexogen mixture, and tetryl), are presented. The colloidal behavior of the NDS particles in different liquid media was studied. The results of the scanning electron microscopy, dynamic light scattering, zeta potential measurements, and laser diffraction analysis suggested a similarity in the morphology of the NDS particle aggregates and agglomerates.
View Article and Find Full Text PDFControlled Formation of Silicon-Vacancy Centers in High-Pressure Nanodiamonds Produced from an "Adamantane + Detonation Nanodiamond" Mixture.
Nanomaterials (Basel)
November 2024
Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov Str., Moscow 119991, Russia.
Despite progress in the high-pressure synthesis of nanodiamonds from hydrocarbons, the problem of controlled formation of fluorescent impurity centers in them still remains unresolved. In our work, we explore the potential of a new precursor composition, a mixture of adamantane with detonation nanodiamond, both in the synthesis of nanodiamonds and in the controlled formation of negatively charged silicon-vacancy centers in such nanodiamonds. Using different adamantane/detonation nanodiamond weight ratios, a series of samples was synthesized at a pressure of 7.
View Article and Find Full Text PDFTritium-Labeled Nanodiamonds as an Instrument to Analyze Bioprosthetic Valve Coatings: A Case of Using a Nanodiamond Containing Coating on a Pork Aorta.
Molecules
June 2024
A. N. Bakulev Scientific Center for Cardiovascular Surgery, 135, Rublevskoe Sh., Moscow 121552, Russia.
Coatings with xenogenic materials, made of detonation nanodiamonds, provide additional strength and increase elasticity. A functionally developed surface of nanodiamonds makes it possible to apply antibiotics. Previous experiments show the stability of such coatings; however, studies on stability in the bloodstream and calcification of the material in natural conditions have yet to be conducted.
View Article and Find Full Text PDFUtilizing Constant Energy Difference between sp-Peak and C 1s Core Level in Photoelectron Spectra for Unambiguous Identification and Quantification of Diamond Phase in Nanodiamonds.
Nanomaterials (Basel)
March 2024
Institute of Physics of the Czech Academy of Sciences, Cukrovarnická 10, 162 00 Prague, Czech Republic.
The modification of nanodiamond (ND) surfaces has significant applications in sensing devices, drug delivery, bioimaging, and tissue engineering. Precise control of the diamond phase composition and bond configurations during ND processing and surface finalization is crucial. In this study, we conducted a comparative analysis of the graphitization process in various types of hydrogenated NDs, considering differences in ND size and quality.
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