Academic literature on the topic 'NPs anisotropiche'

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Journal articles on the topic "NPs anisotropiche"

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Kerr, Melissa A., and Fei Yan. "Bromide-Assisted Anisotropic Growth of Gold Nanoparticles as Substrates for Surface-Enhanced Raman Scattering." Journal of Spectroscopy 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/3164247.

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We report herein a one-step synthesis of gold nanoparticles (Au NPs) of various shapes such as triangles, hexagons, and semispheres, using 5-hydroxyindoleacetic acid (5-HIAA) as the reducing agent in the presence of potassium bromide (KBr). Anisotropic Au NPs have received ever-increasing attention in various areas of research due to their unique physical and chemical properties. Numerous synthetic methods involving either top-down or bottom-up approaches have been developed to synthesize Au NPs with deliberately varied shapes, sizes, and configurations; however, the production of templateless
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Fan, Jun-Bing, Yongyang Song, Hongfu Li, Jin-Peng Jia, Xinglin Guo, and Lei Jiang. "Controllable drug release and effective intracellular accumulation highlighted by anisotropic biodegradable PLGE nanoparticles." J. Mater. Chem. B 2, no. 25 (2014): 3911–14. http://dx.doi.org/10.1039/c3tb21726d.

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Zheng, Zijian, Jianxiang Shen, Jun Liu, Youping Wu, Liqun Zhang, and Wenchuan Wang. "Tuning the visco-elasticity of elastomeric polymer materials via flexible nanoparticles: insights from molecular dynamics simulation." RSC Advances 6, no. 34 (2016): 28666–78. http://dx.doi.org/10.1039/c6ra01827k.

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Galtier, S. "Wave turbulence in magnetized plasmas." Nonlinear Processes in Geophysics 16, no. 1 (2009): 83–98. http://dx.doi.org/10.5194/npg-16-83-2009.

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Abstract. The paper reviews the recent progress on wave turbulence for magnetized plasmas (MHD, Hall MHD and electron MHD) in the incompressible and compressible cases. The emphasis is made on homogeneous and anisotropic turbulence which usually provides the best theoretical framework to investigate space and laboratory plasmas. The solar wind and the coronal heating problems are presented as two examples of application of anisotropic wave turbulence. The most important results of wave turbulence are reported and discussed in the context of natural and simulated magnetized plasmas. Important i
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Treumann, R. A., and W. Baumjohann. "Brief Communication: Weibel, Firehose and Mirror mode relations." Nonlinear Processes in Geophysics 21, no. 1 (2014): 143–48. http://dx.doi.org/10.5194/npg-21-143-2014.

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Abstract. Excitation of Weibel magnetic fields in an initially non-magnetized though anisotropic plasma may trigger other low-frequency instabilities fed by pressure anisotropy. It is shown that under Weibel-like stable conditions the Weibel-like thermal fluctuation magnetic field allows for restricted Firehose-mode growth. In addition, low-frequency Whistlers can also propagate in the plasma under certain anisotropic conditions. When the Weibel-like mode becomes unstable, Firehose instability ceases but Mirror modes take over. This will cause bubble structures in the Weibel-like field in addi
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Park, Byung Hyun, Ji Hyun Lee, Jae Hwan Jung, Seung Jun Oh, Doh C. Lee, and Tae Seok Seo. "A centrifuge-based stepwise chemical loading disc for the production of multiplex anisotropic metallic nanoparticles." RSC Advances 5, no. 3 (2015): 1846–51. http://dx.doi.org/10.1039/c4ra13778g.

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Osipov, Aleksander Aleksandrovich, and Denis Anatolievich Skobeev. "Liquid metal technology of synthesis of ALOOH anisotropic nanostructured aerogel." Izvestiya Wysshikh Uchebnykh Zawedeniy, Yadernaya Energetika 2016, no. 4 (2016): 91–101. http://dx.doi.org/10.26583/npe.2016.4.09.

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Wang, Xujie, Zhenlong Dou, Chi Zhang, et al. "Polarization-controlled anisotropy in hybrid plasmonic nanoparticles." Nanophotonics 11, no. 5 (2022): 1003–9. http://dx.doi.org/10.1515/nanoph-2021-0691.

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Abstract Anisotropy has played a critical role in many material systems, but its controllable creation and modulation have been a long-lasting challenge for the scientific communities. Polarization-addressed anisotropy appears more attractive among all approaches due to its excellent controllability, simplicity, and accuracy, but only a limited number of material systems are applicable for such a concept, which are largely focused on oriented growth. Here, we establish a polarization-dependent anisotropic etching system made of Au@oligomer core–shell nanoparticles (NPs). As the oligomer coatin
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Pandey, Puran, Mao Sui, Ming-Yu Li, Quanzhen Zhang, Eun-Soo Kim, and Jihoon Lee. "Shape transformation of self-assembled Au nanoparticles by the systematic control of deposition amount on sapphire (0001)." RSC Advances 5, no. 81 (2015): 66212–20. http://dx.doi.org/10.1039/c5ra07631e.

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The shape and size dependent optical, physical and chemical properties of isotropic and anisotropic gold nanoparticles (Au NPs) have attracted significant research interest for their application in various optoelectronic devices.
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Antonova, I. V., D. V. Marin, Vladimir A. Volodin, V. A. Skuratov, J. Jedrzejewski, and I. Balberg. "Anisotropic Strain – Anisotropic Heating Engineering for Silicon Nanocrystals in SiO2." Solid State Phenomena 156-158 (October 2009): 523–28. http://dx.doi.org/10.4028/www.scientific.net/ssp.156-158.523.

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In the present paper we discuss effects due to high-energy ion bombardment of SiO2 layers with embedded Si nanocrystals (NCs), such as the formation of new Si NCs in such layers, amorphization of previously existing NCs, modification of NC size distribution, and modification of optical and electrical properties of NCs. These effects are identified as resulting from anisotropic strain - anisotropic heating in NCs-SiO2 layers under ion irradiation.
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Dissertations / Theses on the topic "NPs anisotropiche"

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GIUSTRA, MARCO DAVIDE. "Synthesis of multi-branched polymers for the stabilization of metallic nanoparticles." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2022. http://hdl.handle.net/10281/366171.

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È fondamentale progettare e monitorare tutte le fasi preparative di un sistema di drug delivery in modo tale da raggiungere un determinato sito bersaglio. Ogni parte di un nanocarrier influenza sé stesso e l'ambiente circostante. Inoltre, per ottenere campioni monodispersi, il rivestimento e le eventuali funzionalizzazioni sono fondamentali per determinare la stabilità colloidale, prevedere il comportamento in un sistema biologico e raggiungere il target di interesse. In particolar modo, la razionalizzazione dei meccanismi di internalizzazione e la quantificazione dei carrier nei siti intracel
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Fernandez, Fernando Ferreira. "Análise da influência da rugosidade nas deformações limites de chapas metálicas finas e anisotropicas na região de estiramento." Instituto Tecnológico de Aeronáutica, 1994. http://www.bd.bibl.ita.br/tde_busca/arquivo.php?codArquivo=1698.

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Este trabalho estuda a influência da rugosidade superficial nas deformações limites. Um modelo matemático capaz de predizer a estricção localizada é apresentado, sendo considerado aqui como um limite superior de deformação no processo de estiramento de chapas metálicas finas e anisotrópicas. O modelo teórico assume que a rugosidade superficial pode ser representada por uma distribuição senoidal. Operações de estiramento foram realizadas através de embutimento com punção esférico e por um novo ensaio de tração biaxial proposto. Antes de realizar os ensaios, grelhas de círculos foram impressos n
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Sousa, Vinícius da Silva Ramos de. "O efeito magnetocalórico anisotrópico nos compostos RAl2 (R = Dy, Er, Ho, Nd, Tb)." Universidade do Estado do Rio de Janeiro, 2008. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=817.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>SOUSA, Vinícius da Silva Ramos de. O efeito magnetocalórico anisotrópico nos compostos RAl2 (R = Dy, Er, Ho, Nd e Tb). 2008. 99f. Dissertação (Mestrado em Física) - Instituto de Física Armando Dias Tavares, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, 2008. O efeito magnetocalórico é a base da refrigeração magnética. O potencial magnetocalórico é caracterizado por duas quantidades termodinâmicas: a variação isotérmica da entropia (&#916;Siso) e a variação adiabática da temperatura (&#916;Tad), as quais são
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Conference papers on the topic "NPs anisotropiche"

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Hadhazi, Daniel, and Gabor Horvath. "Proximal Gradient based Anisotropic TV-L0 Reconstruction for Linear Tomosynthesis." In 2021 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC). IEEE, 2021. http://dx.doi.org/10.1109/nss/mic44867.2021.9875726.

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Rajput, H. "Exploiting Reducing Ability of DMF For Assembled Gold Nanostructures." In Functional Materials and Applied Physics. Materials Research Forum LLC, 2022. http://dx.doi.org/10.21741/9781644901878-14.

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Abstract. We explore stable assembly of gold NPs in single step process by introducing a simple chemical synthesis in which pH changed gold precursor is added to dimethylformamide solution at RT. The redox chemistry of N, N-dimethylformamide (DMF) has been effectively utilized in the formation of surfactant free, small chain metal NPs networks (plasmonic oligomers) via molecular dipolar coupling. Kinetic absorption / TEM images illustrate gold nanocrystals formation, their inter-particle coupling as a function of pH as well as with DMF-Water ratio. Sub-nano gap inter-particle coupling b/w sphe
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Xin Jin, Liang Li, Zhiqiang Chen, Li Zhang, and Yuxiang Xing. "Anisotropic total variation for limited-angle CT reconstruction." In 2010 IEEE Nuclear Science Symposium and Medical Imaging Conference (2010 NSS/MIC). IEEE, 2010. http://dx.doi.org/10.1109/nssmic.2010.5874180.

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Tsubokura, Y., M. Miyamoto, K. Ikeda, T. Nakamura, and T. Takahashi. "Anisotropic superconductivity in /spl kappa/-(BET-TTF)/sub 2/Cu(NCS)sub 2/." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.834889.

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Borsdorf, Anja, Steffen Kappler, Rainer Raupach, and Joachim Hornegger. "Analytic noise propagation for anisotropic denoising of CT images." In 2008 IEEE Nuclear Science Symposium and Medical Imaging conference (2008 NSS/MIC). IEEE, 2008. http://dx.doi.org/10.1109/nssmic.2008.4774438.

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"3D anisotropic total variation method for limitedangle CT reconstruction." In 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference (2013 NSS/MIC). IEEE, 2013. http://dx.doi.org/10.1109/nssmic.2013.6829228.

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Tang, Shaojie, Yi Yang, Yan Gong, Kuidong Huang, Tianye Niu, and Xiangyang Tang. "Image-domain noise reduction with multiscale decomposition and anisotropic diffusion." In 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC). IEEE, 2015. http://dx.doi.org/10.1109/nssmic.2015.7582062.

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Debatin, Maurice, Piotr Zygmanski, Dzmitry Stsepankou, and Jurgen Hesser. "CT reconstruction from few-views by Anisotropic Total Variation minimization." In 2012 IEEE Nuclear Science Symposium and Medical Imaging Conference (2012 NSS/MIC). IEEE, 2012. http://dx.doi.org/10.1109/nssmic.2012.6551521.

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Brubaker, E., and J. Steele. "Neutron imaging using the anisotropic response of crystalline organic scintillators." In 2010 IEEE Nuclear Science Symposium and Medical Imaging Conference (2010 NSS/MIC). IEEE, 2010. http://dx.doi.org/10.1109/nssmic.2010.5874055.

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Shi, Daxin, Alexander A. Zamyatin, and Zhi Yang. "Application of anisotropic diffusion potential to sparse view reconstruction problem." In 2011 IEEE Nuclear Science Symposium and Medical Imaging Conference (2011 NSS/MIC). IEEE, 2011. http://dx.doi.org/10.1109/nssmic.2011.6153767.

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