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Littérature scientifique sur le sujet « Hydrogenated nanodiamonds »
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Articles de revues sur le sujet "Hydrogenated nanodiamonds"
Claveau, Sandra, Émilie Nehlig, Sébastien Garcia-Argote, Sophie Feuillastre, Grégory Pieters, Hugues A. Girard, Jean-Charles Arnault, François Treussart et Jean-Rémi Bertrand. « Delivery of siRNA to Ewing Sarcoma Tumor Xenografted on Mice, Using Hydrogenated Detonation Nanodiamonds : Treatment Efficacy and Tissue Distribution ». Nanomaterials 10, no 3 (19 mars 2020) : 553. http://dx.doi.org/10.3390/nano10030553.
Texte intégralThalassinos, Giannis, Alastair Stacey, Nikolai Dontschuk, Billy J. Murdoch, Edwin Mayes, Hugues A. Girard, Ibrahim M. Abdullahi et al. « Fluorescence and Physico-Chemical Properties of Hydrogenated Detonation Nanodiamonds ». C — Journal of Carbon Research 6, no 1 (7 février 2020) : 7. http://dx.doi.org/10.3390/c6010007.
Texte intégralArnault, J. C., et H. A. Girard. « Hydrogenated nanodiamonds : Synthesis and surface properties ». Current Opinion in Solid State and Materials Science 21, no 1 (février 2017) : 10–16. http://dx.doi.org/10.1016/j.cossms.2016.06.007.
Texte intégralKurzyp, Magdalena, Hugues A. Girard, Yannis Cheref, Emilie Brun, Cecile Sicard-Roselli, Samuel Saada et Jean-Charles Arnault. « Hydroxyl radical production induced by plasma hydrogenated nanodiamonds under X-ray irradiation ». Chemical Communications 53, no 7 (2017) : 1237–40. http://dx.doi.org/10.1039/c6cc08895c.
Texte intégralGirard, H. A., T. Petit, S. Perruchas, T. Gacoin, C. Gesset, J. C. Arnault et P. Bergonzo. « Surface properties of hydrogenated nanodiamonds : a chemical investigation ». Physical Chemistry Chemical Physics 13, no 24 (2011) : 11517. http://dx.doi.org/10.1039/c1cp20424f.
Texte intégralPetit, Tristan, Ljiljana Puskar, Tatiana Dolenko, Sneha Choudhury, Eglof Ritter, Sergey Burikov, Kirill Laptinskiy et al. « Unusual Water Hydrogen Bond Network around Hydrogenated Nanodiamonds ». Journal of Physical Chemistry C 121, no 9 (24 février 2017) : 5185–94. http://dx.doi.org/10.1021/acs.jpcc.7b00721.
Texte intégralButenko, Yu V., P. R. Coxon, M. Yeganeh, A. C. Brieva, K. Liddell, V. R. Dhanak et L. Šiller. « Stability of hydrogenated nanodiamonds under extreme ultraviolet irradiation ». Diamond and Related Materials 17, no 6 (juin 2008) : 962–66. http://dx.doi.org/10.1016/j.diamond.2008.02.026.
Texte intégralBydzovska, Irena, Ekaterina Shagieva, Ivan Gordeev, Oleksandr Romanyuk, Zuzana Nemeckova, Jiri Henych, Lukas Ondic, Alexander Kromka et Stepan Stehlik. « Laser-Induced Modification of Hydrogenated Detonation Nanodiamonds in Ethanol ». Nanomaterials 11, no 9 (31 août 2021) : 2251. http://dx.doi.org/10.3390/nano11092251.
Texte intégralZhuang, Chunqiang, Xue Jiang, Jijun Zhao, Bin Wen et Xin Jiang. « Infrared spectra of hydrogenated nanodiamonds by first-principles simulations ». Physica E : Low-dimensional Systems and Nanostructures 41, no 8 (août 2009) : 1427–32. http://dx.doi.org/10.1016/j.physe.2009.04.011.
Texte intégralGrall, Romain, Hugues Girard, Lina Saad, Tristan Petit, Céline Gesset, Mathilde Combis-Schlumberger, Vincent Paget, Jozo Delic, Jean-Charles Arnault et Sylvie Chevillard. « Impairing the radioresistance of cancer cells by hydrogenated nanodiamonds ». Biomaterials 61 (août 2015) : 290–98. http://dx.doi.org/10.1016/j.biomaterials.2015.05.034.
Texte intégralThèses sur le sujet "Hydrogenated nanodiamonds"
Kurzyp, Magdalena. « Hydrogenated nanodiamond as radiosensitizer : chemical and physical investigations of the involved mechanisms ». Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLN060/document.
Texte intégralAmong all nanocarbons, detonation nanodiamonds (NDs) possess outstanding chemical and physical properties suitable for bio-applications. Well-controlled mass production provides NDs with a primary size of 5 nm made of a diamond-core and a shell-coating containing various surface terminations. Surface chemistry of NDs can be tuned via thermal or plasma treatments providing either positively or negatively charged NDs in water suspension. Our group recently showed that plasma hydrogenated NDs (H-NDs) behave a radiosensitizing effect on radioresistant cancer cell lines providing potential therapeutic abilities as radiosensitizing agents. Nevertheless, the mechanisms involved behind this effect are not currently well understood. The main goal of this PhD is to study the behaviour of NDs suspended in water under ionizing radiations (X-ray and Gamma) and to investigate the production of reactive oxygen species (ROS), in particular hydroxyl radicals (HO). Additional experiments allow to detect also produced solvated electrons (eaq). The detection of HO radicals and solvated electrons was realized in the presence of a fluorescence probe, the 7 OH-coumarin, under various atmospheres (air and N2O/O2). Starting from the same source of NDs, different surface chemistries were compared (oxidized, hydrogenated and surface graphitized). In parallel, colloidal properties and stability of these modified NDs in water with respect to their surface chemistry were investigated at short and long term. An overproduction of HO was observed for H-NDs for both hydrogenation methods and vacuum annealed NDs at 750°C. In addition, the production of solvated electrons was confirmed for H-NDs. These results were discussed taking into account the surface chemistry, the colloidal stability and specific interactions of water molecules with NDs
Grall, Romain. « Nouvelles stratégies pour le traitement des tumeurs chimio et radio-résistantes : Nanodiamants hydrogénés et Solides hybrides poreux. Etude in vitro dans des systèmes 2D et 3D ». Thesis, Paris 11, 2015. http://www.theses.fr/2015PA11T034/document.
Texte intégralThe present work focuses on nanoparticles and their great skills for oncology therapies. Two kinds of nanoparticles have been studied in order to biologically validate and characterize their features. The use of hydrogenated Nanodiamonds (H-NDs) as radio sensitizer is based on a physic-chemical postulate where they act as oxidative stress generator through interaction with irradiation. Thus we validated this hypothesis in radio resistant kidney and breast cancer cell lines and identify senescence as the main pathway after co-treatment with H-NDs and irradiation. Metal organic frameworks are also of particular interest for drug delivery because of their very important loading capacities. Here we demonstrate the biocompatibility of the empty compounds in four lung and hepatic cancer cell lines, a main point before their involvement in drug delivery strategies. Finally, following international guidelines encouraging to make animal testing more ethic, we developed a new 3D cell culture mimicking mucinous lung adenocarcinoma. This well characterized model will be used for the study of cancer development and drug screening
Jukić, Ivana. « Nanodiamants hydrogénés : un outil polyvalent pour les applications biomédicales ». Electronic Thesis or Diss., Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCB245.
Texte intégralDue to their specific physicochemical properties, such as a great colloidal stability in aqueous suspensions and a charged and reactive surface, the nanodiamonds (ND) are nanoparticles with a strong potential for biomedical applications. Moreover, recent work of our laboratory colleagues on biological effects of 5nm NDs demonstrates their low toxicity in vitro on multiple human and murine cell lines. Therefore, the NDs offer an advantageous support for medical applications. The objective of my thesis was to evaluate the use of NDs as innovative tools, for diagnostics and clinical therapy. To avoid any toxicity induced by chemical agents during the functionalization, we have hypothesized a novel NDs' surface functionalization through their hydrogenated form (H-NDs), allowing a spontaneous nucleophile attack of biomolecules. We have therefore demonstrated, that it is possible to functionalize H-NDs directly in an aqueous suspension, by nucleic acids or proteins, each disposing naturally of electrophile groups. On this basis, we have experimented several applications in relation to the laboratory research subjects. In order to use the H-NDs for biomedical applications it is very important to be able to quantify them precisely in aqueous suspensions. For this reason, we have developed a quantification method through the interactions of water molecules in the suspensions and the H-NDs surface. This quantification is performed by the Raman spectrometry by the use of dimethyl sufoxide (DMSO) as a quantification and characterization probe. Having demonstrated the functionalization of NDs by biomolecules (using H-NDs), we have imagined the use of NDs as peptide carriers, particularly, as a support for antigen presentation in vaccines. Indeed, we have shown that the subcutaneous injection of H-NDs, functionalized by peptides designed from human papillomavirus (HPV) proteins, induces a positive and specific immune response in mice. A potential application has been initiated by the proof of concept of a diagnostic test, allowing the isolation and the detection of circular tumor cells (CTCs) in whole blood. This test is made of two successive steps, using H-NDs as support for: -i) capturing putative CTCs by the help of a trap (ND-AB) as a product of coupling H-NDs and the antibody (AB) against epithelial markers and -ii) the determination of CTCs presence by the analysis of their molecular signature. Through this thesis works, we have developed a method for H-NDs quantification in aqueous suspensions, as well as demonstrated two promising applications of H-NDs, both for diagnostic and therapeutic aspects
Sheu, Shu-Yao, et 許舒堯. « Laboratory Investigation of Hydrogenated Nanodiamond Surface by Infrared Spectroscopy : ». Thesis, 2002. http://ndltd.ncl.edu.tw/handle/88967946062657570811.
Texte intégral國立臺灣大學
化學研究所
90
The peculiar IR emission features at 3.43 and 3.53 micron, aside from the well-known emission bands at 3.3, 6.2, 7.7, 8.6 and 11.2 micron, were taken as the evidence of the presence of diamonds in interstellar medium. I investigate the formation and size of interstellar diamonds by simulating interstellar IR spectra in the laboratory. Hot-filament assisted chemical vapor deposition (HF-CVD) was brought about to synthesize interstellar diamond analogs, and the interstellar diamond bands were successfully reproduced. Size analysis of IR spectra of synthetic diamond crystallites (from 700 nm down to 25 nm in diameter) revealed a drastic transition of the 3.53 micron feature, in which the peak emerges only with particle size bigger than 25 nm. My experiments suggested that the carrier of these anomalous emission bands could be nanodiamonds formed by CVD-like process with particle sizes bigger than 25 nm.
Chapitres de livres sur le sujet "Hydrogenated nanodiamonds"
Michaelson, Shaul, et Alon Hoffman. « HR-EELS investigations of hydrogenated nanodiamond films ». Dans Nanodiamonds, 243–71. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-32-343029-6.00010-6.
Texte intégral