Showing 2,361 - 2,380 results of 4,095 for search '"spectroscopy"', query time: 0.07s Refine Results
  1. 2361

    Leaf Extract Mediated Green Synthesis of Iron-oxide Nanoparticles (FeO -NPs) by Using Hibiscus rosa-sinensis (China rose): A Potential Approach and its Biological Application by Anjali Singh, Ruchi Bharti, Ajay Thakur, Monika Verma, Renu Sharma

    Published 2025-01-01
    “…Various analytical techniques, including Fourier transform infrared spectroscopy (FTIR), UV-visible spectrophotometry (UV-Vis), X-ray diffraction (XRD), and scanning electron microscopy-energy dispersive X-ray analysis (SEM-EDX), were employed to characterize the synthesized FeO-NPs. …”
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  2. 2362

    Core-shell Nanoparticles Based on Polystyrene and Poly(n-butyl acrylate) Functionalized with Itaconic Acid for Baroplastic Processing by Fernanda Furtado de Melo Albino, Jacira Aparecida Castanharo, João Batista Lourenço Neto, Marcos Antonio da Silva Costa

    Published 2025-01-01
    “…The copolymers were characterized by dynamic light scattering (DLS), transmission electronic microscopy (TEM), infrared spectroscopy (FTIR) and differential scanning calorimetry (DSC). …”
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    Article
  3. 2363

    Effect of Nanodiamonds on Friction Reduction Performance in Presence of Organic and Inorganic Friction Modifiers by A. K. Piya, L. Yang, N. Emami, A. Morina

    Published 2024-12-01
    “…Analysis of wear scars using High-Resolution Transmission Electron Microscopy (HRTEM), Atomic Force Microscopy (AFM) and Raman spectroscopy reveals that when NDs are fully entrapped into the formed tribofilm that contains the MoDTC-derived MoS<sub>2</sub> layer, the lowest friction coefficient can be achieved.…”
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  4. 2364

    Quantifying the ability of the CF2H group as a hydrogen bond donor by Matthew E. Paolella, Daniel S. Honeycutt, Bradley M. Lipka, Jacob M. Goldberg, Fang Wang

    Published 2025-01-01
    “…We survey hydrogen bond donation ability using several established methods, including 1H NMR-based hydrogen bond acidity determination, UV–vis spectroscopy titration with Reichardt's dye, and 1H NMR titration using tri-n-butylphosphine oxide as a hydrogen bond acceptor. …”
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    Article
  5. 2365

    Selenopentathionic and Telluropentathionic Acids as Precursors for Formation of Semiconducting Layers on the Surface of Polyamide by Skirma Zalenkiene, Judita Sukyte, Remigijus Ivanauskas, Vitalijus Janickis

    Published 2007-01-01
    “…Fourier transform infrared (FT-IR) and UV spectroscopy were used to monitor the effect of chalcogens on the changes in structure of PA corresponding to the concentration of the precursor's solution and an exposure time. …”
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  6. 2366

    Construction and Study of Hetreojunction Solar Cell Based on Dodecylbenzene Sulfonic Acid-Doped Polyaniline/n-Si by I. Morsi, Sh. Ebrahim, M. Soliman

    Published 2012-01-01
    “…The electrical characterization of the Al/n-type Si/polyaniline/Au (Ag) structure was investigated by using current-voltage (I-V), capacitance-voltage (C-V), and impedance spectroscopy under darkness and illumination. The photovoltaic cell parameters, that is, open-circuit voltage (𝑉oc), short-circuit current density (𝐽sc), fill factor (FF), and energy conversion efficiency (η) were calculated. …”
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  7. 2367

    Surfactant Assisted Stabilization of Carbon Nanotubes Synthesized by a Spray Pyrolysis Method by D. Mendoza-Cachú, C. Mercado-Zúñiga, G. Rosas

    Published 2017-01-01
    “…Dispersion of the nanotubes was assessed using different surfactants, such as sodium dodecyl-sulfate (SDS) and ethylenediaminetetraacetic acid (EDTA). Finally, Raman spectroscopy, UV-Vis, and SEM techniques confirm that better results were obtained with EDTA. …”
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  8. 2368

    Comparison of Toxic Metal Concentrations in Antidiabetic Herbal Preparations (ADHPs) Available in Bangladesh Using AAS and XRF Analytical Tools by Rausan Zamir, Nazmul Islam, Akhter Faruque

    Published 2019-01-01
    “…Toxic metals in ADHPs have been investigated by two different methods: atomic absorption spectroscopy (AAS) and X-ray fluorescence (XRF). Then, metal concentrations obtained by AAS and XRF were compared. …”
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  9. 2369

    Gas sensitivity of WOx/WS2 nanocomposites at room temperature under ultraviolet irradiation by Z.V. Shomakhov, S.S. Nalimova, O.D. Zyryanova, V.M. Kondratev, Z.Kh. Kalazhokov, C.D. Bui, V.A. Moshnikov

    Published 2024-12-01
    “…The morphology, structure, and composition of the developed nanostructures were studied using scanning electron microscopy, reflected electron diffraction and X-ray photoelectron spectroscopy. It is shown that the nanostructures are formed by 1D and 2D nanoobjects with an average length of 200 nm and are nanocomposites consisting of tungsten oxide WOx and tungsten disulfide WS2. …”
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  10. 2370

    Haematological, Liver Function Parameters and Heavy Metal Assessment of KWMC Workers at Roadside and Mixed Waste Dumpsites in Kwara State, Nigeria by D.T. Ogundele, V.T. Olayemi, F.M. Folaranmi, O.E. Oludele, A.A. Oladejo

    Published 2019-08-01
    “…Mixed solid waste samples from dumpsites and road soils were analysed by Atomic Absorption Spectroscopy. Pb concentrations between 16.0 – 29.5 mg/Kg were found in road soils and least Cd contamination between 0.5 – 2.0 mg/Kg were recorded. …”
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  11. 2371
  12. 2372

    Rhodamine B removal from aqueous solution by CT269DR resin: Static and dynamic study by Jinbei Yang, Shuyue Yu, Wentao Chen, Yibing Chen

    Published 2019-12-01
    “…Furthermore, the desorption using the solution of 2% NaOH is suitable for desorption and reusing process, and scanning electron microscope (SEM) and fourier transform infrared spectroscopy (FT-IR) analysis reveals that used resin has good wear resistance and chemical stability. …”
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    Article
  13. 2373

    Analysis on Fracture Toughness of the L360QS/N08825 Bimetallic Composite Pipe Welded Joint by Bin Wang, Hongxia Lan, Bobo Lei

    Published 2019-01-01
    “…The fracture morphology, microstructure, and inclusion near fracture zones were observed by means of scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy dispersive spectroscopy (EDS). The grain size and grain orientation of the crack propagation zone in the weld were investigated by electron back-scattered diffraction (EBSD). …”
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  14. 2374

    Escherichia coli O127 group 4 capsule proteins assemble at the outer membrane. by Matthew R Larson, Kassia Biddle, Adam Gorman, Sarah Boutom, Ilan Rosenshine, Mark A Saper

    Published 2021-01-01
    “…Circular dichroism spectroscopy, light-scattering data, and the HHomp server suggested that GfcD is a monomeric β-barrel with 26 β-strands and an internal globular domain. …”
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  15. 2375

    Combined Effects of Curing Temperatures and Alkaline Concrete on Tensile Properties of GFRP Bars by Wen-rui Yang, Xiong-jun He, Kai Zhang, Yang Yang, Li Dai

    Published 2017-01-01
    “…This paper presents the results of the microscopic structures through scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), and tensile properties of GFRP bars, which were employed to investigate the combined effects of curing temperatures and alkaline concrete on tensile properties of GFRP bars. …”
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    Article
  16. 2376

    Functionalization of Carbon Electrodes with Nanotitania by Atomic Layer Deposition by Graciano B. De Souza, Dachamir Hotza, Rolf Janßen, Kaline P. Furlan, Carlos R. Rambo

    Published 2022-01-01
    “…Moreover, electrochemical impedance spectroscopy and constant current charge-discharge were employed to investigate the electrochemical properties of the samples. …”
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    Article
  17. 2377

    Anticancer and Free Radical Scavenging Competence of Zinc Oxide Nanoparticles Synthesized by Aqueous Leaf Extract of Phyllanthus acidus by Arunachalam Chinnathambi, Sulaiman Ali Alharbi, Deepika Joshi, Haiter Lenin

    Published 2022-01-01
    “…The Fourier transform infrared spectroscopy (FTIR) analysis confirmed that the aqueous extract contained significant numbers of functional groups, which were involved in reducing zinc nitrate into ZnONPs. …”
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    Article
  18. 2378

    Synthesis and Characterization of Iron Oxide Nanoparticles and Applications in the Removal of Heavy Metals from Industrial Wastewater by Zuolian Cheng, Annie Lai Kuan Tan, Yong Tao, Dan Shan, Kok Eng Ting, Xi Jiang Yin

    Published 2012-01-01
    “…The maghemite nanoparticles of 60 nm were synthesized using a coprecipitation method and characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM) equipped with energy dispersive X-ray spectroscopy (EDX). Batch experiments were carried out for the removal of Pb2+ ions from aqueous solutions by maghemite nanoparticles. …”
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    Article
  19. 2379

    Phytoestrogens in Human Pregnancy by John Jarrell, Warren G. Foster, David W. Kinniburgh

    Published 2012-01-01
    “…Samples were tested for the presence of daidzein and genistein by GC Mass Spectroscopy. Findings. Phytoestrogens are commonly found in pregnant women’s serum and amniotic fluid during pregnancy. …”
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    Article
  20. 2380

    Synthesis, Characterization, and Catalytic Activity of Pd(II) Salen-Functionalized Mesoporous Silica by Rotcharin Sawisai, Ratchaneekorn Wanchanthuek, Widchaya Radchatawedchakoon, Uthai Sakee

    Published 2017-01-01
    “…The prepared catalysts were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray (EDX), inductivity couple plasma (ICP), nitrogen adsorption-desorption, and Fourier transform infrared (FT-IR) spectroscopy. The solid catalysts showed higher activity for the hydroamination of C-(tetra-O-acetyl-β-D-galactopyranosyl)allene with aromatic amines compared with the corresponding homogenous catalyst. …”
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    Article