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Relevant bibliographies by topics / Nanorose

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Academic literature on the topic 'Nanorose'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Nanorose"

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Mousavinia, S. E., S. Hajati, M. Ghaedi, and K. Dashtian. "Novel nanorose-like Ce(iii)-doped and undoped Cu(ii)–biphenyl-4,4-dicarboxylic acid (Cu(ii)–BPDCA) MOSs as visible light photocatalysts: synthesis, characterization, photodegradation of toxic dyes and optimization." Physical Chemistry Chemical Physics 18, no. 16 (2016): 11278–87. http://dx.doi.org/10.1039/c6cp00910g.

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A novel nanorose-like metal organic system (MOS) based on Cu(ii) and biphenyl-4,4-dicarboxylic acid (Cu–BPDCA) doped by Ce(iii) was hydrothermally synthesized and characterized via EDS, FE-SEM, XRD, DRS and FT-IR analysis.

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Chua, Chun Kiang, Adeline Huiling Loo, and Martin Pumera. "Nanostructured MoS2 Nanorose/Graphene Nanoplatelet Hybrids for Electrocatalysis." Chemistry - A European Journal 22, no. 17 (2016): 5969–75. http://dx.doi.org/10.1002/chem.201504875.

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Paranjape, Amit S., Roman Kuranov, Stepan Baranov, et al. "Depth resolved photothermal OCT detection of macrophages in tissue using nanorose." Biomedical Optics Express 1, no. 1 (2010): 2. http://dx.doi.org/10.1364/boe.1.000002.

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Hou, Jianhua, Jian Tang, Ke Feng, et al. "The chemical precipitation synthesis of nanorose-shaped Bi4O5I2 with highly visible light photocatalytic performance." Materials Letters 252 (October 2019): 106–9. http://dx.doi.org/10.1016/j.matlet.2019.05.111.

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Wang, Jian Zhong, Li Dan Tang, Li Li Wang, Bing Wang, and Hui Ling Du. "Effect of Solution Concentration on Growth and Photoluminescence of ZnO Nanorod Arrays." Advanced Materials Research 299-300 (July 2011): 785–88. http://dx.doi.org/10.4028/www.scientific.net/amr.299-300.785.

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Well-aligned ZnO nanorod arrays had been successfully prepared by using hydrothermal methods. XRD and SEM analysis showed ZnO nanorod arrays had well orientation along the [0 0 1] direction of ZnO nanorods. The length to diameter is biggest among these samples and is about 25 when solution concentration is 0.8mol/l. The UV emission caused mainly by exciton combination. Furthermore the formation mechanism of ZnO nanorob arrays was studied in detail.

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Huang, Jung Jie, Ching Hsun Chao, Chao Nan Chen, Chun Fa Hsu, and Ming Wei Tsai. "Size Effect of Silver Nanoparticle Melted into ZnO Nanorods for Photocatalytic Activity." Applied Mechanics and Materials 284-287 (January 2013): 367–74. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.367.

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Ag/ZnO nanorod structure was synthesized by using the hydrothermal method to grow ZnO nanorods and melted silver nonoparticles into ZnO nanorods by thermal annealing process in vacuum at 700 oC. The photocatalytic activity for methylene blue decolorization is enhanced by silver nanoparticles melted into a ZnO nanorod structure owing to the formation of Schottky barrier near the Ag/ZnO interface prolongs the recombination of electron-hole pairs effectively. The size effect of silver nanoparticles in the Ag/ZnO nanorod structure for photocatalytic activity was discussed which was changed from 12 to 34 nm. The smaller silver nanoparticle size sample shows better decolorization efficiency of methylene blue solution owing to the higher surface area of Ag/ZnO nanoroad. Ag/ZnO nanorod films have been characterized by X-ray diffraction (XRD), UV-vis spectroscopy, field-emission scanning electron microscopy (FE-SEM) and transmission electron microscopy (TEM). The dye decolorization significantly increased from 69 to 99 % after UV light irradiation for 8 hr by the optimum Ag/ZnO nanorod film.

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Mahadik, Mahadeo A., Hee-Suk Chung, Hyeon Ih Ryu, Weon-Sik Chae, Min Cho, and Jum Suk Jang. "Efficient Way To Assemble CdS Nanorose-Decorated CdSe-Tetrakaidecahedron Heterojunction Photoanodes for High-Photoelectrochemical Performance." ACS Sustainable Chemistry & Engineering 7, no. 24 (2019): 19708–19. http://dx.doi.org/10.1021/acssuschemeng.9b04868.

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Awaltanova, Ella, Amun Amri, Nicholas Mondinos, et al. "Nanorose-like ZnCo2O4 coatings synthesized via sol–gel route: morphology, grain growth and DFT simulations." Journal of Sol-Gel Science and Technology 90, no. 3 (2019): 450–64. http://dx.doi.org/10.1007/s10971-019-04987-4.

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Mirmotallebi, Mona, and Azam Iraji zad. "AC characterization of three-dimensional reduced graphene oxide/molybdenum disulfide nanorose hybrids for ethanol vapor detection." Applied Surface Science 520 (August 2020): 146346. http://dx.doi.org/10.1016/j.apsusc.2020.146346.

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Zhang, Yong, Long-Zhen Xie, Chao-Xin Yuan, et al. "A ppb-Level Formaldehyde Gas Sensor Based on Rose-Like Nickel Oxide Nanoparticles Prepared Using Electrodeposition Process." Nano 11, no. 01 (2016): 1650009. http://dx.doi.org/10.1142/s1793292016500090.

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In this study, rose-like nickel oxide nanoparticles (diameter of 400–500[Formula: see text]nm) were prepared on indium tin oxide (ITO) glass substrates by a simple electrodeposition in NiSO[Formula: see text]6H2O solution. Scanning electron microscopy (SEM), X-ray diffraction (XRD) and transmission electron microscope (TEM) were used for analysis of the NiO nanoparticles. The effects of operating temperature on the sensor response and the response versus gas concentration properties of the NiO nanorose-based sensors were investigated. We determined the operating temperature of the gas sensors to be 230[Formula: see text]C, considering the proper sensitivity and a rapid response. In addition, gas-sensing characteristics of rose-like NiO nanoparticles to formaldehyde were investigated. It was shown that the sensors exhibited good response ([Formula: see text]/[Formula: see text]) properties to formaldehyde gas at 230[Formula: see text]C, making them to be promising candidates for practical detectors to formaldehyde gas.

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Dissertations / Theses on the topic "Nanorose"

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Rand, Peder. "NanoRisc." Thesis, Norwegian University of Science and Technology, Department of Computer and Information Science, 2005. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9213.

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<p>This report gives a short introduction of the Norwegian wireless electronics company Chipcon AS, and goes on to account for the state of the art of small IP processor cores. It then describes the NanoRisc, a powerful processor developed in this project to replace hardware logic modules in future Chipcon designs. The architecture and a VHDL implementation of the NanoRisc is described and discussed, as well as an assembler and instruction set simulator developed for the NanoRisc. The results of this development work are promising; synthesis shows that the NanoRisc is capable of powerful 16-bit data moving and processing at 50 MHz in an 18nm process while requiring less than 4500 gates. The report concludes that the NanoRisc, and none of the existing IP cores studied, satisfies the requirements for hardware logic replacement in Chipcon transceivers.</p>

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Tan, Bertha. "Nanorod solar cell." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/42160.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2007.<br>Includes bibliographical references (p. 68-70).<br>The crude oil supply crisis the world is facing today along with the disastrous global warming caused primarily as a result the green house gases, has heightened the need for an eco-friendly and renewable energy technology. Solar cells, with their ability to convert the free and gigantic energy supply of the sun into electricity, are one such attractive choice. In this thesis, a study of the use of new technologies for enhanced solar cell performance based on conversion efficiency is carried out by first understanding the mechanism of selected major solar cell types, followed by an analysis of external or internal factors that affect their performance. One new technology under investigation to boost solar cell efficiency is the introduction of nanorod/wire structures into existing designs. This report discusses this approach in detail, highlighting beneficial characteristics offered and also looking into the structure realization through advanced nanostructure processing techniques. Finally, having a complete technology background at hand, various potential markets for new solar cell technologies are examined.<br>by Bertha Tan.<br>M.Eng.

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Friedrich, Wiebke [Verfasser], and Horst [Akademischer Betreuer] Weller. "Semiconductor Nanorods in the Vicinity of Ordered Gold Nanorods / Wiebke Friedrich. Betreuer: Horst Weller." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2015. http://d-nb.info/1073248232/34.

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Lee, Ming-Tao. "Plasmonic Enhanced Fluorescence using Gold Nanorods." Thesis, Linköping University, Department of Physics, Chemistry and Biology, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-57680.

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<p>The aims of this study are to first immobilize positively charged gold nanorods to negatively charged cell culture surfaces. Second, to use polyelectrolytes for controlling the distance between gold nanorods and fluorophores. This is used to optimally determine the distance, of which maximum fluorescence enhancement is achieved, between gold nanorods and fluorophores. In order to approach these aims, we use UV/VIS absorption spectroscopy, fluorescence spectroscopy, atomic force microscopy, and ellipsometry. The results show that we could control the immobilization of gold nanorods on plastic microwell plates and create reproducible polyelectrolyte layers, in order to control the distance between the gold nanorods and fluorophores. In addition, the localized surface plasmon resonance wavelength red shifted as the PELs increased. In conclusion, we found that the maximum fluorescence enhancement of the fluorophores (Cy7) is about 2.3 times at a fluorophores-nanoparticles separation of approximately 9-12 nm. This work contributes some research information towards the design of optical biochip platforms based on plasmon-enhanced fluorescence.</p>

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Jalali, Nimra. "ZnO nanorods-based piezoelectric energy harvesters." Thesis, Queen Mary, University of London, 2015. http://qmro.qmul.ac.uk/xmlui/handle/123456789/8948.

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Piezoelectric nanostructures of ZnO were employed for development of vibration energy harvesters. Columnar nanorod structures of ZnO, incorporated into various heterojunction-based device prototypes, were strained to generate voltage signals. The fabricated devices’ prototypes were based on different top electrodes such as: p-n junction-type Poly(3,4-ethylenedioxythiophene) Polystyrene sulfonate (PEDOT:PSS)/ZnO devices, metal-insulator-semiconductor type Poly(methyl methacrylate) (PMMA)/ZnO devices. Similarly, various bottom electrode materials based prototypes were also assembled: ZnO/indium tin oxide (ITO), ZnO/silver (Ag) and ZnO/zinc (Zn). The overall device design was based on flexible electrodes and substrates, due to which low temperature (below 100 °C) fabrication processes were implemented. Device performance measurement and characterisation techniques were explored and implemented to improve the reliability of results. These techniques included open-circuit voltage and short-circuit current output measurement, resistive load matching and impedance analysis. The analysed performance of energy harvester was assessed in relation to its constituent material properties. The parameters which affect the energy harvester performance were investigated and for this p-n junction-based (PEDOT:PSS/ZnO) devices were used. It was analysed that devices with optimum shunt (Rsh) and series resistance (Rs), which were in the ranges of 0.08 – 0.17 kΩ and 0.5 – 1.65 kΩ respectively, generated the highest peak open-circuit voltage (Voc) and peak power density (PL) of 90 – 225 mV and 36 – 54 μW cm-2. However, the p-n junction-based devices with low shunt resistance (Rsh), ranged between 0.2 – 0.3 kΩ, were considered to be affected with leakage losses, such as short-circuits. Therefore, these devices generated lower Voc and PL in the range of 20 - 60 mV and 2 - 16 μW cm-2. Similarly, the p-n junction-based devices with higher Rs, ranged between 0.3 – 0.6 kΩ, were adversely affected by I2R losses and therefore their generated power density was also dropped to 0.22 - 0.25 μW cm-2. In addition to parasitic resistance losses, the most significant phenomenon investigated in ZnO energy harvesters was, screening of polarisation ii charges in ZnO. The polarisation screening effects were observed to be related to the electrical properties of device components like electrode material type and conductivity of ZnO. Hence, the effect of electrode electrical properties on electric field screening was investigated. In this regard, device electrodes were varied and their effect on energy harvesting efficiency was studied. A comparison based on the performance of bottom electrodes like indium tin oxide (ITO), silver (Ag) and zinc foil on device performance was made. It was observed that due to lower screening effects of ITO, the ITO-based devices generated voltage output which was two orders of magnitude higher than the zinc foil-based devices. Similarly, the screening effects of top electrode materials, like PEDOT:PSS and PMMA, on device output generation were investigated. The PMMA-based devices generated average 135 mV which was higher than average 100 mV generation of PEDOT:PSS-based devices; which indicated that the PMMA-based devices had slower screening rate. On the contrary, the PMMA-based devices’ 7 times higher series resistance than PEDOT:PSS-based devices caused the PL of PMMA-based devices to be 0.4 μW cm-2, which was two orders of magnitude lower than 54 μW cm-2 generated by PEDOT:PSS-based devices. Further to electrode materials study, polarisation screening caused by electrical properties of ZnO was also anaylsed. In this regard, the surface-induced conductivity of ZnO was decreased by using surface coating of copper thiocyanate (CuSCN). The reduction in ZnO conductivity was considered to reduce the screening of polarisation charges. Consequently, the power density of ZnO devices was enhanced from 54 μW cm-2 to 434 μW cm-2.

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Vukicevic, Uros. "TiO2 nanorod polymer composite materials." Thesis, Imperial College London, 2009. http://hdl.handle.net/10044/1/7669.

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The remarkable characteristics of Ti02 are widely used, from everyday life applications (pigments, food/cosmetics additives) to more specialised systems, including photovoltaics and structural composites. Use in polymers is substantial (25% of all Ti02 produced), but most applications and research focus on commercial powders. A new generation of Ti02 nanoparticles has emerged, based on very small, single-crystals, with well-defined morphology and phase. A limited number of papers report the use of this new nanoscale Ti02 in polymer nanocomposites, and indicate improved properties. Although the synthesis of anisotropic nanoparticles (e. g. nanorods) has been well-reported, use in polymer nanocomposites remains largely unreported. This thesis broadly covers three topics: (1) synthesis of Ti02 nanorods using different sol-gel routes in presence of structure directing agents, (2) modification of the nanorod surface chemistry in order to control dispersion and surface properties and (3) fabrication of titania nanorod-polymer composites. Singlecrystal anatase nanorods were produced with variable aspect ratio (3-12), depending on the specific structure directing agent (SDA) used during synthesis. Due to organic functionalisation at the nanorod surface, nanorods could be well dispersed in chloroform. A new procedure, based on the self-cleaning ability of Ti02 under UV, was developed for removal of organics from the nanorod surface, without compromising the nanorod morphology, crystallinity or dispersibility. This powerful tool can be used to change the surface character of the nanorods to generate aqueous TNR dispersions. Stable dispersions were achieved using quaternary ammonium hydroxides to modify the surface electrostatically and sterically. Once dispersed individually, the surface can be further modified by sol-gel chemistry. Composite work involved blending both organic and water-soluble polymers with nanorod dispersions in chloroform and water, respectively, to produce composite films of exceptional optical transparency, even for nanorod loadings up to 30 wt%. The films possess very strong, wavelength-tuneable UV absorbance, which could be used in UV filters and optical limiting. The presence of SDAs or dispersants at the nanorodpolymer interface hinders strong adhesion, as evidenced by marginally lower tensile strength and thermal stability of the nanocomposites. The photo-stability of the nanorod composites is comparable to that of the pure polymer and better than that of composites with commercial equiaxed TiO2 nanoparticles.

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Garcia, Marisol. "TRULY NON INVASIVE GLUCOSE OPTICAL SENSOR BASED ON METAL NANOPARTICLES GENERATION." Master's thesis, University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2260.

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Diabetes is a disease that causes many complications in human normal function. This disease represents the sixth-leading cause of death in USA. Prevention of diabetes-related complications can be accomplished through tight control of glucose levels in blood. In the last decades many different glucose sensors have been developed, however, none of them are really non invasive. Herein, we present the study of the application of gold and silver nanoparticles with different shapes and aspect ratios to detect glucose traces in human fluids such as tears and sweat. This is to our knowledge the first truly non invasive glucose optical sensor, with extraordinary limit of detection and selectivity. The best proven nanoparticles for this application were gold nanospheres. Gold nanospheres were synthesized using chloroauric acid tri-hydrated (HAuCl4.3H2O) in solution, in the presence of glucose and ammonia hydroxide. The higher the glucose concentration, the higher the number of nanoparticles generated, thus the higher the extinction efficiency of the solution. The linear dependence of the extinction efficiency of the gold nanoparticles solution with glucose concentration makes of this new sensor suitable for direct applications in biomedical sensing. Our approach is based on the well known Tollens test.<br>M.S.<br>Department of Chemistry<br>Arts and Sciences<br>Industrial Chemistry

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Murali, Shanthi Davis Virginia A. "Coupled self-assembly and flow alignment of silver nanorods." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/FALL/Chemical_Engineering/Thesis/Murali_Shanthi_47.pdf.

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Subedi, Kamal. "Synthesis and Characterization of PbS Nano Sheets." Bowling Green State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1403097151.

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Kandel, Shreedhar R. "Control of Shape Change of PbSe Nano Structure by Chloroalkane." Bowling Green State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1435056285.

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Books on the topic "Nanorose"

1

Krahne, Roman. Physical Properties of Nanorods. Springer Berlin Heidelberg, 2013.

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Krahne, Roman, Liberato Manna, Giovanni Morello, Albert Figuerola, Chandramohan George, and Sasanka Deka. Physical Properties of Nanorods. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36430-3.

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Deppner, Marcus. Design of nanorod-LEDs using computational modelling. Hartung-Gorre Verlag, 2013.

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Ling, Bo. Nanorod fabrications and its potential application in light emitters. Nova Science Pub., 2011.

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Koker, Torsten. Konzeption und Realisierung einer neuen Prozesskette zur Integration von Kohlenstoff-Nanoro hren u ber Handhabung in technische Anwendungen. Univ.-Verl. Karlsruhe, 2006.

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Yaln, Orhan, ed. Nanorods. InTech, 2012. http://dx.doi.org/10.5772/2046.

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Sasani Ghamsari, Morteza, and Soumen Dhara, eds. Nanorods and Nanocomposites. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.77453.

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Physical Properties Of Nanorods. Springer-Verlag Berlin and Heidelberg GmbH &, 2013.

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Sadeghi, Babak. Synthesis and Application of Nanorods. INTECH Open Access Publisher, 2012.

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V, Prescott Wesley, and Schwartz Arnold I, eds. Nanorods, nanotubes, and nanomaterials research progress. Nova Science, 2008.

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Book chapters on the topic "Nanorose"

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Jeevanandam, P. "Nanorods." In Nanoscale Materials in Chemistry. John Wiley & Sons, Inc., 2009. http://dx.doi.org/10.1002/9780470523674.ch7.

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Yoda, Minami, Jean-Luc Garden, Olivier Bourgeois, et al. "Nanorods." In Encyclopedia of Nanotechnology. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9751-4_100547.

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Lu, Yang, Shang Xu, and Jun Lou. "Gold Nanorods." In Encyclopedia of Nanotechnology. Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-007-6178-0_89-2.

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Yang, Yuehai, Wenzhi Li, Elmar Kroner, et al. "Gold Nanorods." In Encyclopedia of Nanotechnology. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9751-4_89.

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Lu, Yang, Shang Xu, and Jun Lou. "Gold Nanorods." In Encyclopedia of Nanotechnology. Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-017-9780-1_89.

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Chévere-Trinidad, Néstor L., Serkan Gurbuz, Jessica Kramer, and Dhandapani Venkataraman. "Electrochemical Synthesis of Metal Chalogenide Nanorods, Nanotubes, Segmented Nanorods, and Coaxial Nanorods." In Handbook of Nanoelectrochemistry. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-15266-0_24.

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Krahne, Roman, Liberato Manna, Giovanni Morello, Albert Figuerola, Chandramohan George, and Sasanka Deka. "Quantum Effects in Confined Systems." In Physical Properties of Nanorods. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36430-3_1.

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Krahne, Roman, Liberato Manna, Giovanni Morello, Albert Figuerola, Chandramohan George, and Sasanka Deka. "Optical Properties of Semiconductor Nanorods." In Physical Properties of Nanorods. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36430-3_2.

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Krahne, Roman, Liberato Manna, Giovanni Morello, Albert Figuerola, Chandramohan George, and Sasanka Deka. "Electrical Properties of Nanorods." In Physical Properties of Nanorods. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36430-3_3.

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Krahne, Roman, Liberato Manna, Giovanni Morello, Albert Figuerola, Chandramohan George, and Sasanka Deka. "Optical Properties of Metal Nanorods." In Physical Properties of Nanorods. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36430-3_4.

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Conference papers on the topic "Nanorose"

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Wang, Tianyi, Li L. Ma, Jinze Qiu, et al. "Measurement of the Optical Properties of Nanorose." In Frontiers in Optics. OSA, 2010. http://dx.doi.org/10.1364/fio.2010.jwa12.

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Wang, Tianyi, Veronika Sapozhnikova, J. Jacob Mancuso, et al. "Fluorescence imaging of macrophages in atherosclerotic plaques using plasmonic gold nanorose." In SPIE BiOS. SPIE, 2011. http://dx.doi.org/10.1117/12.874076.

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Wang, Tianyi, Jinze Qiu, Li Leo Ma, et al. "Nanorose and lipid detection in atherosclerotic plaque using dual-wavelength photothermal wave imaging." In BiOS, edited by E. Duco Jansen and Robert J. Thomas. SPIE, 2010. http://dx.doi.org/10.1117/12.840744.

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Manuchehrabadi, Navid, Yonghui Chen, Alexander LeBrun, Ronghui Ma, and Liang Zhu. "Theoretical Simulation of Temperature Elevations in Tumors Using Monte Carlo Method and Comparison to Experimental Measurements During Laser Photothermal Therapy." In ASME 2013 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/sbc2013-14330.

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Nanotechnology using gold nanoshells or nanorods is a newly developed hyperthermia approach and has been tested in the past several years in cancer treatment.1–2 Gold nanorods have a diameter of ∼10 nm and an aspect ratio of approximately four. By varying the geometric ratio, the nanostructures can be tuned to have strong absorption and scattering to a specific laser wavelength. Designing an optimal treatment protocol of laser photothermal therapy requires understanding of gold nanorod deposition inside the tumor after injection, its resulted specific absorption rate (SAR) distribution, and the ultimate temperature field in the tumor during the treatment. Recent microCT studies by our group have suggested that the gold nanorod solution injected into PC3 prostatic tumors results in an almost uniform distribution of the gold nanorods in the tumors.3 The Monte Carlo method has been used in the past to determine the heating pattern (SAR) of laser-tissue thermal interaction.4 However, the accuracy of the theoretical simulation of the temperature fields in tumors relies on precise measurements of the optical properties of the tumors with nanorods presence.

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Paradis, Hedvig, Costas Grigoropoulos, and Bengt Sundén. "Lattice Boltzmann Modeling for Analysis of Water-Splitting Over Nanorods With Emphasis on Reactive Mass Transport." In ASME 2013 11th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icnmm2013-73098.

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Lattice Boltzmann method (LBM) is an alternative to conventional CFD to capture the detailed activities of the transport processes at microscale. Here LBM is used to model the hydrogen production by splitting water by incident sunlight over water covered Si-nanorods. The purpose of this study is, by a 3D microscale model, to investigate the transport and the formation of the hydrogen bubbles by electrochemical reactions. An ordered array of nanorods is created where each rod is 10 μm high and 10 nm in diameter. The 3D model is simulated using parallel computing with the program Palabos. A multicomponent reaction-advection-diffusion transport for 3 components is analyzed with electrochemical reactions and this process is further coupled with the momentum transport. It has here been shown that LBM can be used to evaluate the microscale effect of electrochemical reactions on the transport processes. An increased Bond number increase the bubble flow through the nanorod domain. A decreased contact angle facilitates the disconnection of the bubble to the nanorod at the top surface. The collection of the hydrogen bubbles at the top surface of the nanorods will be facilitated by an easy disconnection of the bubbles.

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Hsu, Che-Wei, and Gou-Jen Wang. "High Aspect Ratio Au/Ni Coaxial Nanorod Arrays for Biosensing Applications." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-12869.

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In this study, a novel fabrication method for high aspect ratio magnetic Au/Ni coaxial nanorod arrays is proposed. It is expected that the stiffness of the gold shell could be supported by the core nickel rod. Furthermore, a magnetic force can be employed to manipulate the motion of the coaxial nanorod arrays. The fabrication procedures include: AAO template preparation, working electrode coating, nickel electrodeposition, alumina etching, and gold-plating by an electroless nickel immersion gold (ENIG) process. Experimental results demonstrated that the proposed method in this study could synthesize high aspect ratio magnetic Au/Ni coaxial nanorod arrays. The height of the synthesized coaxial nanorods is about 65.3 μm and the diameter of each nanorod is around 0.225 μm. Hence the aspect ratio is 290. The Au/Ni coaxial nanorod array was further used as a biosensor for the detection of glucose. The sensitivity of the proposed glucose biosensor was 225 μA/(mM·cm2) with a linear detection range of 27.5 μM to 1.38 mM. The sensitivity of the proposed Au/Ni coaxial nanorod array for glucose detection is the best among the reported works.

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Manuchehrabadi, N., A. Attaluri, H. Cai, et al. "Visualization and Quantification of Gold Nanorods Distribution in Prostatic Tumors Using MicroCT Imaging." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80317.

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One uncertainty in use of gold nanorods for laser photothermal therapy is the non-uniform spreading of gold nanorods in tissue after either systemic delivery or intratumoral injections. High concentration of gold nanorods in certain areas influences the resulted optical absorption of the laser and thermal damage to tumors. This also provides challenges in designing optimal heating protocols via modeling thermal transport in laser photothermal therapy. For successful cancer treatment, the tissue should be heated with minimum thermal dosage to induce tumor cell damage, while minimizing overheating in the surrounding healthy tissues. Thus, one of the main challenges for reliable cancer therapy is to precisely control loading and distribution of gold nanorods in the tumour tissue. The critical mass transport processes are the distribution of gold nanorods after injection to the tumor and the redistribution of gold nanorods during laser treatment. Since tumors are opaque, nanostructure distribution in tissue is often studied either by theoretical modeling approaches1, or via dye enhanced imaging on superficial layers of tumors.2 It is important to find a technique which can directly visualize and analyze three-dimensional nanostructure distribution of tumors. Three-dimensional reconstructions of tumors with the ability to trace gold nanorod spreading have the potential for precise theoretical simulation of temperature fields. Previous studies showed that computer tomography (CT) scan is a promising technique to be utilized to characterize the distribution of intratumorally injected magnetic nanoparticles in tumors 3.

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Manuchehrabadi, N., R. Toughiri, H. Cai, et al. "Treatment Efficacy of Laser Photothermal Therapy Using Gold Nanorods: Tumor Shrinkage Study." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80625.

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Gold nanorods can be tuned to a specific laser wavelength and serve as strong laser energy absorbers. Due to the powerful optical absorption, the laser energy is concentrated in an area congregating by nanorods, and then the energy absorbed can be transferred to the surrounding tumor tissue by heat conduction.1–4 Previous studies have shown a wide range of heating parameters with or without temperature measurements. Our previous experiment4 has demonstrated that using only 0.1 cc gold nanorod solution can lead to tumor temperature higher than 50°C when the laser irradiance is only 2 W/cm2. Based on the measured temperature elevation and heating duration, thermal damage to the tumor is highly likely. However, some researchers raised the question whether temperature sensors used in those experimental studies are truly reflecting the temperatures in the tumors. The objective of this study is to measure quantitatively tumor shrinkage after laser irradiation to evaluate efficacy of laser photothermal therapy.

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Alper, Joshua, Aaron Schmidt, and Kimberly Hamad-Schifferli. "Thermal Transport From Gold Nanorod to Solvent, an Investigation of Ligand Effects by Ultrafast Laser Spectroscopy." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-67266.

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To facilitate analysis of nanoscale heat transfer in nanoparticle systems the thermal properties of ligand layers must be understood. To this end, we use an optical pump-probe technique to study the thermal transport across ligands on gold nanorods and into the solvent. We find that varying properties of the ligand can have large impacts on the thermal decay of a nanorod after exposure to a laser pulse. By raising the concentration of free CTAB from 1 mM and 10 mM in solutions, the CTAB layer’s effective thermal interface conductance increases three fold. The transition occurs near the CTAB critical micelle concentration. Similar results are found for other ligand layers.

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Manson, Robert D., and I. Y. Shen. "Preliminary Modeling of an Intracochlear Piezoelectric Microphone." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-13645.

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A preliminary model of an intracochlear piezoelectric microphone is proposed that mimics the structure of stereocilia in the cochlea. Its purpose is to determine the crucial system parameters prior to fabrication of an actual testing set up via a mathematical model. As a first approximation, the system is modeled as a 1-D, periodic beam with N identical substructures. Each one consists of a nanorod grown on an Si substrate, a bottom electrode, piezoelectric thin film, and two top electrodes. The model consists of: a finite element analysis of a single substructure to obtain its flexibility matrix and differential voltage (DV) under unit loads; and a mapping of these results through the structure to predict displacement and DV of each substructure. A parametric study is then conducted based on this model. It was determined that the nanorod length was the most critical parameter in improving sensitivity. By increasing the amount of drag force on the nanorods the sensitivity grows. Substructures near fixed boundaries generate higher DV thus leading to better sensitivity too. The number of substructure in the microphone would also affect signal-to-noise ratio.

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Reports on the topic "Nanorose"

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Lyuksyutov, Igor. Magnetic Nanorods-Superconductor Hybrids. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1160165.

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Lieber, Charles M. Organized Nanorod-Superconductor Composites. Defense Technical Information Center, 1998. http://dx.doi.org/10.21236/ada347553.

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Huang, Hanchen. A Theory of Growing Crystalline Nanorods. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1559023.

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Stacy, Bradley M., Saber M. Hussain, Kristen K. Comfort, and Donald A. Comfort. In Vitro Identification of Gold Nanorods through Hyperspectral Imaging. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada582417.

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Huang, Hanchen. Control of New Kinetic Barriers and Design of Nanorods. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1163119.

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Hanchen Huang. Control of New Kinetic Barriers & Design of Nanorods. Office of Scientific and Technical Information (OSTI), 2012. http://dx.doi.org/10.2172/1041190.

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Li, Quan. Novel Organo-Soluble Optically Tunable Chiral Hybrid Gold Nanorods. Defense Technical Information Center, 2014. http://dx.doi.org/10.21236/ada619894.

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Yang, Chih-Chung. Optimization of GaN Nanorod Growth Conditions for Coalescence Overgrowth. Defense Technical Information Center, 2016. http://dx.doi.org/10.21236/ada635078.

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Sands, Timothy, Eric Stach, and Edwin Garcia. Low-Cost Substrates for High-Performance Nanorod Array LEDs. Office of Scientific and Technical Information (OSTI), 2009. http://dx.doi.org/10.2172/1048878.

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Yang, Chih-Chung. Growth of GaN- and ZnO-Based Nanorod Compound Structures. Defense Technical Information Center, 2013. http://dx.doi.org/10.21236/ada590871.

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