Showing 3,281 - 3,300 results of 4,095 for search '"spectroscopy"', query time: 0.06s Refine Results
  1. 3281

    Genome Structure of Bacillus cereus tsu1 and Genes Involved in Cellulose Degradation and Poly-3-Hydroxybutyrate Synthesis by Hui Li, Suping Zhou, Terrance Johnson, Koen Vercruysse, Ouyang Lizhi, Parthasarathy Ranganathan, Nsoki Phambu, Alexander J. Ropelewski, Theodore W. Thannhauser

    Published 2017-01-01
    “…Physical properties of these PHB extracts, when analyzed with Raman spectra and Fourier transform infrared spectroscopy, were found to be comparable to the standard compound. …”
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  2. 3282

    Preparation and Photocatalytic Performances of WO3/TiO2 Composite Nanofibers by Xiuping Han, Binghua Yao, Keying Li, Wenjing Zhu, Xuyuan Zhang

    Published 2020-01-01
    “…The scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), UV-Vis diffuse reflectance spectra (UV-Vis DRS), and Brunauer-Emmett-Teller (BET) analysis further characterized the properties of 5% WO3/TiO2 nanofibers. …”
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  3. 3283

    Synthesis, Characterization and Antibacterial activity of Benzimidazole Derivatives and their Cu (ii),Ni (ii) and Co (ii) complexes by Haftom Welderufael, Dagne Addisu Kure, Endalkachew Asefa Moges, Lelisa File, Salah Hamza Sherif

    Published 2023-04-01
    “…The structures of all the synthesized ligands were confirmed by using IR, UV-Visible, 1H NMR, and 13C NMR spectroscopy. The Cu (II), Ni (II) and Co (II) complexes were confirmed by using IR and VU-Visible spectra.  …”
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  4. 3284

    Physical Properties of Macroporous Tungsten Oxide Thin Films and Their Impact on the Photocurrent Density by I. Riech, M. Acosta, M. A. Zambrano-Arjona, F. Peñuñuri, M. Rosado-Mendoza, E. Marín, P. Rodríguez-Fragoso, J. G. Mendoza-Álvarez

    Published 2013-01-01
    “…The optical band gap energies have been determined by photoacoustic spectroscopy as 3.17 eV, and this value was not affected by sample morphology. …”
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  5. 3285

    Carbonyl-nitrogen multi-resonance emitters for efficient OLEDs with high color purity by Zhiwei Wu, Peng Zou, Jingwen Xu, Xiaobin Dong, Ben Zhong Tang, Zujin Zhao

    Published 2025-02-01
    “…In this work, we wish to report a new carbonyl-nitrogen (C = O/N) skeleton of 5,12-dihydroquinolino[2,3-b]acridine-7,14-dione (QA), and three tailored C = O/N MR molecules are synthesized and fully characterized by crystallography, thermal measurement, cyclic voltammetry, steady-state and transient spectroscopy and theoretical calculation. They show efficient green emissions with narrow full width at half maximum (FWHM) of about 27 nm and high photoluminescence quantum yields of up to 93% in doped films. …”
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  6. 3286

    Photocatalytic Inactivation Effect of Gold-Doped TiO2 (Au/TiO2) Nanocomposites on Human Colon Carcinoma LoVo Cells by Juan Xu, Yi Sun, Yaomin Zhao, Junjie Huang, Chunmei Chen, Zhiyu Jiang

    Published 2007-01-01
    “…These synthesized Au/TiO2 nanocomposites were characterized by transmission electron microscopy (TEM) and inductively coupled plasma atomic emission spectroscopy. It was found that the photocatalytic inactivation effect of TiO2 nanoparticles on LoVo cancer cells could be greatly improved by the surface modification of Au nanoparticles. …”
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  7. 3287

    Plasma Treatment Maintains Surface Energy of the Implant Surface and Enhances Osseointegration by Fernando P. S. Guastaldi, Daniel Yoo, Charles Marin, Ryo Jimbo, Nick Tovar, Darceny Zanetta-Barbosa, Paulo G. Coelho

    Published 2013-01-01
    “…The surface energy was characterized by the Owens-Wendt-Rabel-Kaelble method and the chemistry by X-ray photoelectron spectroscopy (XPS). Five adult beagle dogs received 8 implants (n=2 per surface, per tibia). …”
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  8. 3288

    Integrating behavioral and neurophysiological insights: High trait anxiety enhances observational fear learning by Xianchao Ming, Ganzhong Luo, Jinxia Wang, Haoran Dou, Hong Li, Yi Lei

    Published 2025-02-01
    “…Neuroimaging data, derived via functional near-infrared spectroscopy (fNIRS) revealed heightened medial prefrontal cortex activation in HTA participants when directly facing threats. …”
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  9. 3289

    Electrodepositing Ag on Anodized Stainless Steel for Enhanced Antibacterial Properties and Corrosion Resistance by Yi Shao, Yue Jiang, Yongfeng Wang, Qiangsheng Dong, Cheng Wang, Yan Wang, Feng Xue, Chenglin Chu, Jing Bai

    Published 2025-01-01
    “…The X-ray photoelectron spectroscopy analysis revealed the close binding mechanism between the Ag particles and the micropores in the oxide layer. …”
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  10. 3290

    Thermal and Morphological Assessment of the Penta-Layered, Hybrid U-Polyester Composite Reinforced with Glass Fibers and Polypropylene by Md. Shahin Akanda, Md. Shariful Islam, Md. Ali Akbar, A. M. Sarwaruddin Chowdhury, M. A. Gafur, Md. Sahab Uddin

    Published 2024-01-01
    “…The morphological properties were also investigated using scanning electron microscopy (SEM) and Fourier-transform infrared spectroscopy (FTIR). The findings from SEM and FTIR showed that a higher proportion of glass fibers led to a more oriented composite structure, demonstrating enhanced crosslinking between fibers and polyester. …”
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  11. 3291

    Amikacin-loaded selenium nanoparticles improved antibacterial and antibiofilm activity of amikacin against bovine mastitis-causing Staphylococcus aureus by Leila Asadpour, Maryam Alsadat Mehrbakhsh Bandari, Roozbeh Sojoudi Masouleh

    Published 2025-01-01
    “…Loading of amikacin on selenium nanoparticles was done by mixing both in solution and confirmed by UV–Vis spectroscopy, XRD, SEM, and DLS. Antibacterial properties of obtained nanoparticles against S. aureus were determined using agar disc diffusion, broth micro dilution methods and also time-kill assay. …”
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  12. 3292

    Flame-Retardant and Thermal Degradation Mechanism of Caged Phosphate Charring Agent with Melamine Pyrophosphate for Polypropylene by Xuejun Lai, Jiedong Qiu, Hongqiang Li, Xingrong Zeng, Shuang Tang, Ye Chen, Zhen Chen

    Published 2015-01-01
    “…The flame-retardant and thermal degradation mechanism of MPP/PEPA was investigated by TGA, Fourier transform infrared spectroscopy (FTIR), TG-FTIR, and scanning electron microscopy-energy dispersive X-ray spectrometry (SEM-EDXS). …”
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  13. 3293

    Orientation-selective spin-polarized edge states in monolayer NiI2 by Yu Wang, Xinlei Zhao, Li Yao, Huiru Liu, Peng Cheng, Yiqi Zhang, Baojie Feng, Fengjie Ma, Jin Zhao, Jiatao Sun, Kehui Wu, Lan Chen

    Published 2024-12-01
    “…Spin-polarized scanning tunneling microscopy/spectroscopy experiments visualize orientation-selective spin-polarized edge states in monolayer NiI2 islands. …”
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  14. 3294

    Pelletization and quality evaluation of torrefied selected biomass with microwave absorber by Obiora S. Agu, Lope G. Tabil, Edmund Mupondwa, Bagher Emadi, Duncan Cree

    Published 2025-03-01
    “…The X-ray photoelectron spectroscopy (XPS) analysis of the pellet ash revealed that adding HDPE increased the carbon and decreased the oxygen contents. …”
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  15. 3295

    Magnetite-Functionalized Horse Dung Humic Acid (HDHA) for the Uptake of Toxic Lead(II) from Artificial Wastewater by Rahmat Basuki, Bambang Rusdiarso, Sri Juari Santosa, Dwi Siswanta

    Published 2021-01-01
    “…The MHDHA was characterized by Fourier transform-infrared spectroscopy (FT-IR), X-ray powder diffraction (XRD), transmission electron microscopy (TEM), energy dispersive X-ray (EDX), and vibrating sample magnetometer (VSM). …”
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  16. 3296

    The effect of plasma nitriding duration on the tribological performance of Ni-B-Gr self-lubricant composite coatings on AISI 4140 steel by Vahid Niksefat, Farzad Mahboubi

    Published 2025-03-01
    “…The Ni-B-Gr coatings were characterized using various techniques, including X-ray diffraction, field emission scanning electron microscopy, inductively coupled plasma optical emission spectroscopy, microhardness testing, and tribological assessments. …”
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  17. 3297

    Effects of Gamma Irradiation on the Properties of Hydroxyapatite-Collagen-Chitosan-Mg-ZnO Scaffolds for Bone Tissue Engineering by Tusher -Al-Arafat, Shawon Ahmed, Polash Chandra Karmakar, Umme Salma Zohora, Naznin Akhtar, S. M. Asaduzzaman

    Published 2023-01-01
    “…The physicochemical and biological properties of the scaffolds were evaluated by Fourier transform infrared spectroscopy-attenuated total reflectance (FTIR-ATR), field emission scanning electron microscopy (FESEM), physical stability (biodegradability, swelling rate, porosity, and density), mechanical properties, biocompatibility, cytotoxicity, and antimicrobial activity against Escherichia coli (ATCC-25922) and Staphylococcus aureus (ATCC-25923). …”
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  18. 3298

    Antioxidant Composition of a Selection of Italian Red Wines and Their Corresponding Free-Radical Scavenging Ability by Claudio Cassino, Valentina Gianotti, Federica Bonello, Christos Tsolakis, Maria Carla Cravero, Domenico Osella

    Published 2016-01-01
    “…The overall antioxidant capacity was determined by titrating a solution of the semistable free radical DPPH (1,1-diphenyl-2-picrylhydrazyl) with each wine sample followed by Electron Paramagnetic Resonance (EPR) spectroscopy and then measuring the resulting decrease in DPPH-signal. …”
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  19. 3299

    Impact of plastic waste fiber and treated construction demolition waste on the durability and sustainability of concrete by Selvakumar Duraiswamy, Prakhash Neelamegam, M. VishnuPriyan, George Uwadiegwu Alaneme

    Published 2024-11-01
    “…Surface analysis via Scanning Electron Microscopy (SEM) and elemental composition determination using Energy Dispersive Spectroscopy (EDS) revealed minimal fiber damage post-exposure, confirming its efficiency and contribution to higher strength and reduced weight loss in optimum mix. …”
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  20. 3300

    An In Situ Evaluation of the Protective Effect of Nano Eggshell/Titanium Dioxide against Erosive Acids by Stanley Chibuzor Onwubu, Phumlane Selby Mdluli, Shenuka Singh, Sanele Nyembe, Rookmoney Thakur

    Published 2018-01-01
    “…Scanning electron microscope (SEM) and Raman spectroscopy techniques were used to evaluate the surface morphology and changes. …”
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