Showing 2,401 - 2,420 results of 4,095 for search '"spectroscopy"', query time: 0.07s Refine Results
  1. 2401

    Preparation and Characterization of Latex Particles as Potential Physical Shale Stabilizer in Water-Based Drilling Fluids by Junyi Liu, Zhengsong Qiu, Wei’an Huang, Dingding Song, Dan Bao

    Published 2014-01-01
    “…The synthesized latex particles were characterized by Fourier transform infrared spectroscopy (FT-IR), particle size distribution measurement (PSD), transmission electron microscopy (TEM), and thermal gravimetric analysis (TGA). …”
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    Article
  2. 2402

    Prediction of Gas Chromatography-Mass Spectrometry Retention Times of Pesticide Residues by Chemometrics Methods by Elaheh Konoz, Amir H. M. Sarrafi, Alireza Feizbakhsh, Zahra Dashtbozorgi

    Published 2013-01-01
    “…A quantitative structure-retention relationships (QSRRs) method is employed to predict the retention time of 300 pesticide residues in animal tissues separated by gas chromatography-mass spectroscopy (GC-MS). Firstly, a six-parameter QSRR model was developed by means of multiple linear regression. …”
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  3. 2403

    Development and Validation of Near-Infrared Methods for the Quantitation of Caffeine, Epigallocatechin-3-gallate, and Moisture in Green Tea Production by Shengsheng Zhang, Yamin Zuo, Qing Wu, Jiao Wang, Lin Ban, Huili Yang, Zhiwen Bai

    Published 2021-01-01
    “…In this study, a quantitative analysis model of caffeine, epigallocatechin-3-gallate (EGCG), and moisture content was established by near-infrared spectroscopy (NIRS) which was united simultaneously with partial least squares (PLSR) for online process monitoring of tea production. …”
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  4. 2404

    Extraction of Water Treatment Coagulant from Locally Abundant Kaolin Clays by Fidelis Chigondo, Benias Chomunorwa Nyamunda, Vuyo Bhebhe

    Published 2015-01-01
    “…The kaolin clay and alum were characterized by Fourier transformation infrared spectroscopy (FTIR). The effects of particle size, calcination temperature, calcination time, acid-kaolin clay ratio, acid concentration, leaching temperature, and leaching time on extraction efficiency were investigated. …”
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  5. 2405

    Investigation and evaluation of the efficiency of palm kernel oil extract for corrosion inhibition of brass artifacts by Mohamed M. Megahed, Eman AbdElRhiem, Wesam Atta, Nabil Abdel Ghany, Mohamed Abdelbar

    Published 2025-02-01
    “…Electrochemical methods, including the open circuit potential (OCP), Tafel, and electrochemical impedance spectroscopy (EIS), were used to assess the performance of palm kernel oil on brass coupons at different concentrations (1, 3, 5, 7%). …”
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  6. 2406

    Annealing Effect of ZnO Seed Layer on Enhancing Photocatalytic Activity of ZnO/TiO2 Nanostructure by Woo-Young Kim, Soon-Wook Kim, Dae-Hwang Yoo, Eui Jung Kim, Sung Hong Hahn

    Published 2013-01-01
    “…The prepared nanorods were characterized by field emission-scanning electron microscopy (FE-SEM), X-ray diffraction (XRD), photoluminescence (PL), and UV-visible spectroscopy.…”
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  7. 2407

    Carpal Tunnel Syndrome and Calcium Deposit in the Surgically Transacted Transverse Carpal Ligament by Ali Abbas Hashim Al-Musawi, Nadia Mahmoud Tawfiq Jebril, Amer Abbas. H. AL-Auhaimid, Zaid Hadi. K. Hammoodi

    Published 2022-01-01
    “…Total concentrations of Ca, Cd, and Pb in the extracted portion of TCL were digested and determined using inductively coupled plasma mass spectrometry (ICP-MS) and the possibility of using X-ray spectroscopy (XRF) for direct elemental analysis. Ca mineralisation was revealed in some TCLs. …”
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  8. 2408

    Thermal Wavelength Measurement of Nanofluid in an Optical-Fiber Thermal Wave Cavity Technique to Determine the Thermal Diffusivity by Monir Noroozi, Bijan Mohammadi, Shahidan Radiman, Azmi Zakaria

    Published 2018-01-01
    “…It can be used to estimate thermal diffusivity of a small amount of liquid samples (0.3 ml) in a brief period. UV-Vis spectroscopy and transmission electron microscopy were used to measure the characterization of the Ag nanoparticles. …”
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  9. 2409

    Influence of rotation speed on the corrosion behavior of friction stir welded joints in AZ31 magnesium alloy by Ziru Zhou, Shujin Chen, Michael Hodgson, Wei Gao, Yuxin Wang

    Published 2025-01-01
    “…The effects of different rotation speeds on the microstructure and corrosion behavior of welded joints were studied by potentiodynamic polarization (Tafel plot), electrochemical impedance spectroscopy (EIS), and scanning vibrating electrode technique (SVET). …”
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  10. 2410

    Protein Detection with Potentiometric Aptasensors: A Comparative Study between Polyaniline and Single-Walled Carbon Nanotubes Transducers by Ali Düzgün, Hassan Imran, Kalle Levon, F. Xavier Rius

    Published 2013-01-01
    “…The two aptasensors are compared and characterized through potentiometry and electrochemical impedance spectroscopy (EIS) based on the voltammetric response of multiply charged transition metal cations (such as hexaammineruthenium, [Ru(NH3)6]3+) bound electrostatically to the DNA probes. …”
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  11. 2411

    Advances in Nanoengineered Terahertz Technology: Generation, Modulation, and Bio-Applications by Zhongwei Jin, Jing Lou, Fangzhou Shu, Zhi Hong, Cheng-Wei Qiu

    Published 2025-01-01
    “…This has led to substantial enhancements in THz spectroscopy, imaging, and especially bio-applications, providing higher resolution and sensitivity. …”
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  12. 2412

    A Comprehensive Study on the Synthesis and Characterization of TiO2 Nanoparticles Using Aloe vera Plant Extract and Their Photocatalytic Activity against MB Dye by S. Srujana, M. Anjamma, null Alimuddin, Bharat Singh, Ram C. Dhakar, Shanthi Natarajan, Ramana Hechhu

    Published 2022-01-01
    “…XRD, ultraviolet diffuse reflectance (UV-DRS), Fourier transform infrared spectroscopy (FT-IR), transmission electron microscopy (TEM), scanning electron microscopy (SEM), and energy-dispersive X-ray analysis (EDXA) were used to characterize the material. …”
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  13. 2413

    Ultrasonic, Molecular and Mechanical Testing Diagnostics in Natural Fibre Reinforced, Polymer-Stabilized Earth Blocks by C. Galán-Marín, C. Rivera-Gómez, F. Bradley

    Published 2013-01-01
    “…X-ray diffraction (XRD), X-ray fluorescence spectroscopy (XRF), and energy dispersive X-ray fluorescence (EDXRF) techniques were all used in conjunction with qualitative identification of the aggregates. …”
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  14. 2414

    Enhancing the tensile strength and morphology of Sansevieria trifasciata Laurentii fibers using liquid smoke and microwave treatments: an RSM approach by Muhammad Arsyad Suyuti, Djarot B. Darmadi, Winarto, Putu Hadi Setyarini

    Published 2025-02-01
    “…Mechanical, morphological, structural, and thermal properties were analyzed using scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). …”
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  15. 2415

    Heavy Metal Content and Health Risk Assessment of Some Selected Medicinal Plants from Obuasi, a Mining Town in Ghana by Flora Amerley Amarh, Eric Selorm Agorku, Ray Bright Voegborlo, Gerheart Winfred Ashong, Enoch Nii Klu Nortey, Napoleon Jackson Mensah

    Published 2023-01-01
    “…The levels of arsenic (As), cadmium (Cd), chromium (Cr), mercury (Hg), manganese (Mn), nickel (Ni), and lead (Pb) were determined by inductively coupled plasma mass spectroscopy (ICP-MS) after wet digestion. The concentrations (mg/kg) of As, Cd, Cr, Hg, Mn, Ni, and Pb were 1.092 − 0.206, 1.341 − 0.253, 6.603 − 2.005, 0.045 − 0.001, 282.798 − 20.583, 4.967 − 1.676, and 26.410 − 0.629, respectively. …”
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  16. 2416

    ZnO/MO<sub>x</sub> Nanofiber Heterostructures: MO<sub>x</sub> Receptor’s Role in Gas Detection by Vadim Platonov, Oleg Sinyashin, Marina Rumyantseva

    Published 2025-01-01
    “…ZnO/MO<sub>x</sub> (M = Fe<sup>III</sup>, Co<sup>II,III</sup>, Ni<sup>II</sup>, Sn<sup>IV</sup>, In<sup>III</sup>, Ga<sup>III</sup>; [M]/([Zn] + [M]) = 15 mol%) nanofiber heterostructures were obtained by co-electrospinning and characterized by X-ray diffraction, scanning electron microscopy and X-ray fluorescence spectroscopy. The sensor properties of ZnO and ZnO/MO<sub>x</sub> nanofibers were studied toward reducing gases CO (20 ppm), methanol (20 ppm), acetone (20 ppm), and oxidizing gas NO<sub>2</sub> (1 ppm) in dry air. …”
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  17. 2417

    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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  18. 2418

    Actinide Oxide Dissolution in Tributyl Phosphate by Gogolski Jarrod, Goetzman Chelsea, Mills Matthew, Nguyen Vinh, Rudisill Tracy, Lascola Robert

    Published 2025-01-01
    “…This work qualitatively studied the dissolution of actinide oxides (UO2, NpO2, and PuO2) in tributyl phosphate using UV-Vis-NIR absorbance spectroscopy to ascertain dissolution behavior. Initial studies included material that is otherwise difficult to dissolve in only nitric acid, specifically CeO2, that is sometimes used as a dissolution surrogate for PuO2. …”
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  19. 2419

    Optimization of Enzymatic Hydrolysis by Protease Produced from Bacillus subtilis MTCC 2423 to Improve the Functional Properties of Wheat Gluten Hydrolysates by Hari Prasath Rajendhran, Vinoth Kumar Vaidyanathan, Swethaa Venkatraman, Pothiyappan Karthik

    Published 2024-01-01
    “…The enhancement in functional characteristics of wheat gluten hydrolysates was observed by Fourier transform infrared spectroscopy. The percentage of free amino acids obtained by protease-mediated hydrolysates increased significantly compared to the unhydrolyzed wheat, which was observed by high-performance liquid chromatography. …”
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  20. 2420

    Investigation on Smoke Suppression Mechanism of Hydrated Lime in Asphalt Combustion by Kai Zhu, Yunhe Wang, Qi Zhou, Daquan Tang, Lingzhu Gu, Ke Wu

    Published 2018-01-01
    “…The gaseous compositions and release rules were analyzed by infrared spectroscopy to investigate the influence of hydrated lime on the smoke suppression mechanism in the asphalt combustion process. …”
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