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Relevant bibliographies by topics / Nanoparticle Surface

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Journal articles

Academic literature on the topic 'Nanoparticle Surface'

Author: Grafiati

Published: 7 September 2023

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Journal articles on the topic "Nanoparticle Surface"

1

Semchuk, O. Yu, O. O. Havryliuk, and A. A. Biliuk. "Kinetic theory of surface plasmon resonance in metal nanoparticles." Surface 12(27) (December 30, 2020): 3–19. http://dx.doi.org/10.15407/surface.2020.12.003.

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In recent years, interest in studying the optical properties of metallic nanostructures has grown. This interest is primarily related to the possibility of practical application of such nanostructures in quantum optical computers, micro- and nanosensors. These applications are based on the fundamental optical effect of surface plasmon excitation. The consequence of this phenomenon is surface plasmon resonance (SPR) - an increase in the cross section of energy absorption by a metal nanoparticle as the frequency of incident light (laser radiation) approaches the SPR frequency of the nanoparticle

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2

Albarki, Mohammed A., and Maureen D. Donovan. "Uptake of Cationic PAMAM-PLGA Nanoparticles by the Nasal Mucosa." Scientia Pharmaceutica 90, no. 4 (2022): 72. http://dx.doi.org/10.3390/scipharm90040072.

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Nanoparticles provide promising advantages in advanced delivery systems for enhanced drug delivery and targeting. The use of a biodegradable polymer such as PLGA (poly lactic-co-glycolic acid) promotes improved nanoparticle safety and, to some extent, provides the ability to modify nanoparticle surface properties. This study compared the effect of altering the surface charge on the translocation of PLGA nanoparticles across excised nasal mucosal tissues. Nanoparticles (average diameter of 60–100 nm) loaded with Nile Red (lipophilic fluorescent dye) were fabricated using a nanoprecipitation met

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3

Zhang, Fei Hu, Xiao Zong Song, Yong Zhang, and Dian Rong Luan. "Polishing of Ultra Smooth Surface with Nanoparticle Colloid Jet." Key Engineering Materials 404 (January 2009): 143–48. http://dx.doi.org/10.4028/www.scientific.net/kem.404.143.

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A nanoparticle colloid jet machining system has been developed for polishing ultra smooth surface of brittle materials. Interaction between nanoparticles and work surface in nanoparticle colloid jet machining has been given, and the theoretical dependence of the material removal rate with various important process parameters of the nanoparticle colloid jet machining have been investigated through material removal experiments. Some material removal results of nanoparticle colloid jet machining show that it is possible to obtain removal rates of one nanometer level per minute for glass surfaces

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4

Lee, Hwankyu. "Molecular Modeling of Protein Corona Formation and Its Interactions with Nanoparticles and Cell Membranes for Nanomedicine Applications." Pharmaceutics 13, no. 5 (2021): 637. http://dx.doi.org/10.3390/pharmaceutics13050637.

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The conformations and surface properties of nanoparticles have been modified to improve the efficiency of drug delivery. However, when nanoparticles flow through the bloodstream, they interact with various plasma proteins, leading to the formation of protein layers on the nanoparticle surface, called protein corona. Experiments have shown that protein corona modulates nanoparticle size, shape, and surface properties and, thus, influence the aggregation of nanoparticles and their interactions with cell membranes, which can increases or decreases the delivery efficiency. To complement these expe

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5

Sit, Izaac, Haibin Wu, and Vicki H. Grassian. "Environmental Aspects of Oxide Nanoparticles: Probing Oxide Nanoparticle Surface Processes Under Different Environmental Conditions." Annual Review of Analytical Chemistry 14, no. 1 (2021): 489–514. http://dx.doi.org/10.1146/annurev-anchem-091420-092928.

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Surface chemistry affects the physiochemical properties of nanoparticles in a variety of ways. Therefore, there is great interest in understanding how nanoparticle surfaces evolve under different environmental conditions of pH and temperature. Here, we discuss the use of vibrational spectroscopy as a tool that allows for in situ observations of oxide nanoparticle surfaces and their evolution due to different surface processes. We highlight oxide nanoparticle surface chemistry, either engineered anthropogenic or naturally occurring geochemical nanoparticles, in complex media, with a focus on th

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6

Mukha, Iu P., N. V. Vityuk, A. M. Eremenko, and M. A. Skoryk. "Stabilization of metal nanoparticles in highly concentrated colloids." Surface 12(27) (December 30, 2020): 337–45. http://dx.doi.org/10.15407/surface.2020.12.337.

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Gold and silver nanoparticles (NPs) have a great potential in nanomedicine. For their use in biological studies there is a need to increase significantly the metal content (active substance) in the dose volume for the injection. Therefore, an urgent task is to find the experimental ways to prevent NPs aggregation in highly concentrated colloidal systems. In this work colloids of Ag NPs, Au NPs and AgAu NPs were prepared in the presence of amino acid as metal ion reducer and particle stabilizer. The polymer pluronic F68 was proposed to increase the stability of NPs and the experimental conditio

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7

Zobel, Mirijam. "Observing structural reorientations at solvent–nanoparticle interfaces by X-ray diffraction – putting water in the spotlight." Acta Crystallographica Section A Foundations and Advances 72, no. 6 (2016): 621–31. http://dx.doi.org/10.1107/s2053273316013516.

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Nanoparticles are attractive in a wide range of research genres due to their size-dependent properties, which can be in contrast to those of micrometre-sized colloids or bulk materials. This may be attributed, in part, to their large surface-to-volume ratio and quantum confinement effects. There is a growing awareness that stress and strain at the particle surface contribute to their behaviour and this has been included in the structural models of nanoparticles for some time. One significant oversight in this field, however, has been the fact that the particle surface affects its surroundings

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8

Kim, Ji-Su, Byung-Kook Kim, and Yeong-Cheol Kim. "Effect of Cu Alloying on S Poisoning of Ni Surfaces and Nanoparticle Morphologies Using Ab-Initio Thermodynamics Calculations." Journal of Nanoscience and Nanotechnology 15, no. 10 (2015): 8205–10. http://dx.doi.org/10.1166/jnn.2015.11287.

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We investigated the effect of Cu alloying on S poisoning of Ni surfaces and nanoparticle morphologies using ab-initio thermodynamics calculations. Based on the Cu segregation energy and the S adsorption energy, the surface energy and nanoparticle morphology of pure Ni, pure Cu, and NiCu alloys were evaluated as functions of the chemical potential of S and the surface orientations of (100), (110), and (111). The constructed nanoparticle morphology was varied as a function of chemical potential of S. We find that the Cu added to Ni for NiCu alloys is strongly segregated into the top surface, and

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9

Zhu, Chunxiao, Hugh Daigle, and Steven L. Bryant. "Paramagnetic nanoparticles as nuclear magnetic resonance contrast agents in sandstone: Importance of nanofluid-rock interactions." Interpretation 4, no. 2 (2016): SF55—SF65. http://dx.doi.org/10.1190/int-2015-0137.1.

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Nuclear magnetic resonance has been applied in well logging to investigate pore size distribution with high resolution and accuracy based on the relaxation time distribution. However, due to the heterogeneity of natural rock, pore surface relaxivity, which links relaxation time and pore size, varies within the pore system. To analyze and alter pore surface relaxivity, we saturated Boise sandstone cores with positively charged zirconia nanoparticle dispersions in which nanoparticles can be adsorbed onto the sandstone pore wall, while negatively charged zirconia nanoparticles dispersions were us

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10

Xu, Chang, Albert Wan, Xianchang Gong, N. V. S. Dinesh K. Bhupathiraju, James D. Batteas, and Charles Michael Drain. "Reorganization of porphyrin nanoparticle morphology driven by surface energetics." Journal of Porphyrins and Phthalocyanines 20, no. 01n04 (2016): 438–43. http://dx.doi.org/10.1142/s1088424616500292.

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Organic nanoparticles (ONp) of an Fe(III) porphyrin appended with four [Formula: see text]-polyethyleneglyco-pyridinium moieties prepared in acetonitrile were deposited onto hydrophilic or hydrophobic Si surfaces. Self-organized by intermolecular interactions, ONp reorganize in response to environmental changes. Mechanisms for the control of nanoparticle morphologies and surface patterning by varying surface energies are discussed.

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