Showing 161 - 180 results of 281 for search '"plasmonics"', query time: 0.05s Refine Results
  1. 161

    High SERS performance of functionalized carbon dots in the detection of dye contaminants by Yanqiu Yang, Lingru Kong, Yong Ding, Lixin Xia, Shuo Cao, Peng Song

    Published 2025-02-01
    “…Conclusion: Based on this deeper insight on plasmon-mediated mechanism, the SERS substrate was successfully practiced for quantitative determination in real water and fish samples. …”
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    Article
  2. 162

    Gallium Sulfide-Immobilized Optical Fiber-Based SPR Sensor for Detection of Brilliant Blue Food Adulteration by Nasih Hma Salah, Baljinder Kaur, Hogr M. Rasul, Yesudasu Vasimalla, Chella Santhosh, Ramachandran Balaji, S. R. Srither, Santosh Kumar

    Published 2024-01-01
    “…The proposed sensor is comprised of a high birefringence layer (HBL) core with non-added formaldehyde (NaF) cladding, silver (Ag) as the plasmonic metal, and GaS for enhanced detection sensitivity. …”
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  3. 163

    Facile synthesis of size-tunable L-carnosine-capped silver nanoparticles and their role in metal ion sensing and catalytic degradation of p-nitrophenol by Akash Kumar, Ridhima Chadha, Abhishek Das, Nandita Maiti, Rayavarapu Raja Gopal

    Published 2024-12-01
    “…This study explores the potential of ʟ-carnosine in synthesizing tunable plasmonic silver nanoparticles (ʟ-car-AgNPs). The formation of ʟ-car-AgNPs was confirmed via UV–vis optical absorption spectroscopy, showing single and double plasmonic peaks, depending on the synthesis conditions. …”
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  4. 164

    Multiple-Beams Splitter Based on Graphene by Xiao Bing Li, Hong Ju Xu, Wei Bing Lu, Jian Wang

    Published 2016-01-01
    “…Simulation results show that the circular surface plasmon polariton waves excited by a point source can be transferred to narrow beams through a graphene-based wave splitter, which is formed by a polygonal contour of the ENZ graphene layer. …”
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  5. 165

    Analysis of Nanodipoles in Optical Nanocircuits Fed by Gaussian Beam by Karlo Costa, Victor Dmitriev, Janilson Souza, Gustavo Silvano

    Published 2014-01-01
    “…We analyze impedance matching and excitation properties of a plasmonic optical nanocircuit composed by a receiving and an emitting dipole connected by a two-wire optical transmission line. …”
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  6. 166

    Bismuth-Immobilized Optical Fiber-Based SPR Nanosensor for Detection of Zinc Nitrate Contamination in Aquaculture Industry by Yesudasu Vasimalla, Nasih Hma Salah, Baljinder Kaur, Hogr M. Rasul, Chella Santhosh, Ramachandran Balaji, S.R. Srither, Santosh Kumar

    Published 2024-01-01
    “…The sensor design incorporates a ZBLAN core, NaF cladding, silver (Ag) as a plasmonic metal, and bismuth (Bi) to enhance detection sensitivity. …”
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    Article
  7. 167

    One-Pot Synthesis and Enhanced Vis-NIR Photocatalytic Activity of NiTiO<sub>3</sub>/TiO<sub>2</sub> Templated by Waste Tobacco Stem-Silks by Weidong Yuan, Xiaohong Chen, Yi Zhao, Ying Fang, Han Zhang, Daomei Chen, Jiaqiang Wang

    Published 2025-01-01
    “…Synthesis of the photocatalysts with near-infrared light response usually involves upconversion materials or plasmon-assisted noble metals. Herein, NiTiO<sub>3</sub>/TiO<sub>2</sub> was synthesized by using waste tobacco stem-silks as biotemplates and tetra-tert-butyl orthotitanate and nickel nitrate as precursors in a one-pot procedure. …”
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    Article
  8. 168

    Effect of Etching on the Optical, Morphological Properties of Ag Thin Films for SERS Active Substrates by Desapogu Rajesh, M. Mahendar, C. S. Sunandana

    Published 2013-01-01
    “…Hence, the present method is found to be useful in the development of plasmon-based analytical devices, especially SERS-based biosensors.…”
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    Article
  9. 169

    ZnO1−xSx Nanosphere in Ferroelectric Liquid Crystal Matrix: The Effect of Aggregation and Defects on the Dielectric and Electro-Optical Properties by Dharmendra Pratap Singh, Swadesh Kumar Gupta, Rajiv Manohar

    Published 2013-01-01
    “…The presence of NS enhances the photoluminescence of the pure FLC material due to the coupling of localized surface plasmon resonance from NS with FLC molecules. The high concentration of NS causes an aggregation in the FLC matrix and creates topological defects. …”
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  10. 170

    Grafting of Gold Nanoparticles on Glass Using Sputtered Gold Interlayers by Ondřej Kvítek, Robin Hendrych, Zdeňka Kolská, Václav Švorčík

    Published 2014-01-01
    “…UV-Vis spectra show broadening of surface plasmon resonance peak after AuNPs binding caused by aggregation of AuNPs on the sample surface. …”
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  11. 171

    Au-Loaded Titanium Dioxide Nanoparticles Synthesized by Modified Sol-Gel/Impregnation Methods and Their Application to Dye-Sensitized Solar Cells by Hathaithip Ninsonti, Weerasak Chomkitichai, Akira Baba, Natda Wetchakun, Wiyong Kangwansupamonkon, Sukon Phanichphant, Kazunari Shinbo, Keizo Kato, Futao Kaneko

    Published 2014-01-01
    “…The fabricated cell with up to 1.0 mol% Au-loaded TiO2 could enhance the performance by localized surface plasmon effect and scattering property.…”
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    Article
  12. 172

    Exploring Innovative Approaches for the Analysis of Micro- and Nanoplastics: Breakthroughs in (Bio)Sensing Techniques by Denise Margarita Rivera-Rivera, Gabriela Elizabeth Quintanilla-Villanueva, Donato Luna-Moreno, Araceli Sánchez-Álvarez, José Manuel Rodríguez-Delgado, Erika Iveth Cedillo-González, Garima Kaushik, Juan Francisco Villarreal-Chiu, Melissa Marlene Rodríguez-Delgado

    Published 2025-01-01
    “…Electrochemical biosensors offer cost-effective, portable, and sensitive platforms, leveraging principles such as voltammetry and impedance to detect MPs and their adsorbed pollutants. Plasmonic techniques, including surface plasmon resonance (SPR) and surface-enhanced Raman spectroscopy (SERS), provide high sensitivity and specificity through nanostructure-enhanced detection. …”
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    Article
  13. 173

    The Binding Affinity of Small Molecules with Yam Tyrosinase (Catechol Oxidase): A Biophysical Study by Tabassum Mulla, Sushama Patil, Srinivas Sistla, Jyoti Jadhav

    Published 2019-01-01
    “…In the present study, the interaction of yam (Amorphophallus paeoniifolius) tyrosinase was studied with molecules such as crocin (Crocus sativus), hydroquinone, and kojic acid. Surface plasmon resonance (SPR), fluorescence spectroscopy, and circular dichroism techniques were employed to determine the binding affinities and the changes in secondary and tertiary structures of yam tyrosinase in the presence of four relevant small molecules. …”
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  14. 174

    Synthesis and Ultraviolet Visible Spectroscopy Studies of Chitosan Capped Gold Nanoparticles and Their Reactions with Analytes by Norfazila Mohd Sultan, Mohd Rafie Johan

    Published 2014-01-01
    “…The significance of chitosan as stabilizer was distinguished through transmission electron microscopy (TEM) images and UV-Vis absorption spectra in which the interparticles distance increases whilst retaining the surface plasmon resonance (SPR) characteristics peak. The most stable AuNPs occurred for composition with the lowest (1 g) weight of chitosan. …”
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  15. 175

    Detection of Quadruplex DNA by Gold Nanoparticles by Heather F. Crouse, Alex Doudt, Cassie Zerbe, Swarna Basu

    Published 2012-01-01
    “…These nanoparticles display a tendency to form aggregates in the presence of certain quadruplex forms, as observed via enhanced plasmon resonance light scattering (PRLS) signals. …”
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  16. 176

    Phenomenological construction of metal photonic topological insulators based on theory of characteristic modes by Lili Dai, Jie Meng, Weiwen Li

    Published 2025-01-01
    “…Based on CMA, a spoof surface plasmon periodic structure is constructed to achieve electromagnetic TPTs with the photonic valley Hall effect. …”
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    Article
  17. 177

    Ag-Doped TiO2 Nanotube Arrays Composite Film as a Photoanode for Enhancing the Photoelectric Conversion Efficiency in DSSCs by Jinghua Hu, Jiejie Cheng, Shengqiang Tong, Yingping Yang, Mengwei Chen, Shiwu Hu

    Published 2016-01-01
    “…The reason is mainly that the cluster structure of the Ag nanoparticles with large surface area contributes to dye adsorption and the Surface Plasmon Resonance Effect of the Ag nanoparticles improved the photocatalytic ability of the TNT arrays film.…”
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  18. 178

    Micropattern of core-shell Ag@MCS/PEGDA nanoparticles fabricated by femtosecond laser maskless optical projection lithography by Fan-Chun Bin, Xin-Yi Wu, Jie Liu, Xian-Zi Dong, Teng Li, Qi Duan, Jian-Miao Zhang, Katsumasa Fujita, Mei-Ling Zheng

    Published 2025-01-01
    “…The formation mechanism of core-shell nanomaterial is demonstrated by the local surface plasmon resonances and the nucleation and growth theory. …”
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    Article
  19. 179

    Concentration and pH Influence on the Reducing Property of Silk Fibroin from Silk Fibrous Waste in the Green Synthesis of Silver Nanoparticles by Wilson Agudelo, Yuliet Montoya, Alejandra Garcia-Garcia, John Bustamante

    Published 2024-01-01
    “…These aspects were evidenced through the identification of the characteristic surface plasmon resonance of the silver ion, the determination of the particle diameter, the electrokinetic potential, and the identification of the functional groups because of the oxidation of the reducing agent.…”
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  20. 180

    Controlled coupling and characterization of oyster (Crassostrea gigas) ferritin with gold nanostars by Han Li, Xiaoyu Xia, Shuzhen Cheng, Jiachen Zang, Zhenyu Wang, Xianbing Xu, Ming Du

    Published 2024-11-01
    “…The results showed that the surface plasmon resonance (SPR) peaks of the coupled GF1@AuNS changed significantly, and the changes in infrared spectra and potential confirmed the success of the synthesis, while the microscopic morphology showed an increase in particle size and surface peak coverage. …”
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    Article