Showing 3,701 - 3,720 results of 4,095 for search '"spectroscopy"', query time: 0.09s Refine Results
  1. 3701

    The impact of multi-marine intertidal service on the durability of concrete repair materials by Zhiqiang Cui, Yuanbei Li, Qizheng Bao, Yong Chen, Qiang Xu, Yunqing He, Fangzheng Wu

    Published 2025-07-01
    “…The methods employed to investigate the causes of durability degradation after exposure included Mercury Intrusion Porosimetry (MIP), X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS), and microscopy. After one year of exposure at Sanya (a tropical marine climate), the materials’ mechanical properties showed only a slight overall decline. …”
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  2. 3702

    Incorporation of κ-carrageenan improves the practical features of agar/konjac glucomannan/κ-carrageenan ternary system by Dongling Qiao, Hao Li, Fatang Jiang, Siming Zhao, Sheng Chen, Binjia Zhang

    Published 2023-03-01
    “…., scanning electron microscopy, small-angle X-ray scattering, infrared spectroscopy (IR) and X-ray diffraction (XRD), were used to disclose how κ-carrageenan addition tailors the features of agar/KGM/κ-carrageenan ternary system. …”
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  3. 3703

    Tailoring Red-to-Blue Emission in In<sub>1−x</sub>Ga<sub>x</sub>P/ZnSe/ZnS Quantum Dots Using a Novel [In(btsa)<sub>2</sub>Cl]<sub>2</sub> Precursor and GaI<sub>3</sub> by Calem Duah, Ji-Seoung Jeong, Ji Yeon Ryu, Bo Keun Park, Young Kuk Lee, Seon Joo Lee

    Published 2024-12-01
    “…Structural and compositional analysis through X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) confirmed successful Ga<sup>3+</sup> incorporation into the QD core, with a corresponding blue shift in the emission as GaI<sub>3</sub> content increased. …”
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  4. 3704

    Influence of Molybdenum Content and MoOxy- Species on the Textural and Structural ZrO2 Properties by Alberto Hernández Zapién, Juan Manuel Hernández Enríquez, Ricardo García Alamilla, Guillermo Sandoval Robles, Ulises Páramo García, Luz Arcelia García Serrano

    Published 2014-01-01
    “…The characterization of the solids was carried out by thermal analysis, X-ray diffraction, nitrogen physisorption, infrared spectroscopy, and scanning electron microscopy. The thermal analyses results showed that the change from the amorphous to the crystalline phase of ZrO2 is shifted to higher temperatures due to the presence of molybdenum content. …”
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  5. 3705

    Use of Nanostructured Layered Double Hydroxides as Nanofilters in the Removal of Fe2+ and Ca2+ Ions from Oil Wells by Emmanuel K. Ephraim, Chinyere A. Anyama, Ayi A. Ayi, Jude C. Onwuka

    Published 2018-01-01
    “…The isolated compounds were characterized with the help of XRD, IR, and SEM/EDAX, and their ability to remove scale-forming ions from the aqueous system was studied with the help of atomic absorption spectroscopy (AAS). The SEM micrographs of Mg-O-Al-OH and Ca-O-Al-OH layers intercalated with PO43− and/or [PO4PF6]4− anions are similar consisting of uniform nanospheres with an average size of 100 nm, while the M-O-Al-OH layer of compound 3, intercalated with SO42− anions, consists of hexagonal nanoplate crystals. …”
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  6. 3706

    Characterization and optimization of cerium oxide nanoparticle-doped cellulose acetate films using the Box-Behnken Design by Lívia Viana Aguiar de Oliveira, Noemi Raquel Checca Huaman, Sergio Neves Monteiro, Ulisses Oliveira Costa, Letícia Vitorazi

    Published 2025-03-01
    “…A comprehensive characterization was conducted using SEM, AFM, EDS, XRD, TEM, SAED, EELS, TGA, DSC, UV–Vis spectroscopy, and tensile testing. The Box-Behnken Design (BBD) was applied to optimize the effects of CeO₂ concentration, PEG content, and drying temperature on mechanical, thermal, and optical properties. …”
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  7. 3707

    Probing the Catalytic Efficiency of Supported Heteropoly Acids for Esterification: Effect of Weak Catalyst Support Interactions by Ali Alsalme, Aliyah A. Alsharif, Hamda Al-Enizi, Mujeeb Khan, Saad G. Alshammari, Mshari A. Alotaibi, Rais Ahmad Khan, Mohammed Rafiq H. Siddiqui

    Published 2018-01-01
    “…The as-prepared catalysts were characterized by various techniques including FT-IR spectroscopy, thermogravimetric analysis, X-ray diffraction, scanning electron microscopy, and BET. …”
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  8. 3708

    Bioaccumulation and Health Risk Assessments of Heavy Metals in Mussels Collected from Madura Strait, Indonesia by Defri Yona, Aida Sartimbul, Muhammad Arif Rahman, Syarifah Hikmah Julinda Sari, Priyanka Mondal, Abdullah Hamid, Tsania Humairoh

    Published 2021-03-01
    “…The seawater, sediment, and marine mussels were obtained from four sites and heavy metal concentrations were analyzed using Atomic Absorption Spectroscopy. In the seawater, heavy metals were in the order of Cu, Pb, Cd, and Zn from the highest to the lowest concentration respectively, while they went down in the order of Zn, Cu, Pb, and Cd in the sediment respectively. …”
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  9. 3709

    Otolith chemistry suggests population heterogeneity within a genetically homogeneous Indian scad population along Indian coast by Anjaly Jose, Sandhya Sukumaran, Neenu Raj, K. Nisha, Eldho Varghese, S. J. Laly, Satyen Kumar Panda, Subal Kumar Roul, P. Abdul Azeez, Shoba Joe Kizhakudan, A. Gopalakrishnan

    Published 2025-01-01
    “…In the present study, the whole sagittal otolith composition was analysed using Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES) to assess spatial distribution of D. russelli collected from 4 sites along the Indian coast. …”
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  10. 3710

    Studying Alzheimer’s disease through an integrative serum metabolomic and lipoproteomic approach by Alessia Vignoli, Giovanni Bellomo, Federico Paolini Paoletti, Claudio Luchinat, Leonardo Tenori, Lucilla Parnetti

    Published 2025-01-01
    “…Methods This pilot study proposes a serum investigation via nuclear magnetic resonance (NMR) spectroscopy in a consecutive series of AD patients including 57 patients affected by Alzheimer’s disease at dementia stage (AD-dem) and 45 patients with mild cognitive impairment (MCI) due to AD (MCI-AD). …”
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  11. 3711

    Dependency of solid particle erosion behaviour of plasma sprayed NiTi coating on primary gas flow rate by B. Swain, S. Mantry, S.S. Mohapatra, P. Mallick, A. Behera

    Published 2025-01-01
    “…Various phases have been obtained from the X-ray diffraction analysis such as NiTi-B2, Ni, Ti, Ni3Ti, Ti2Ni, NiO, TiO and Ni4Ti3, which also have been confirmed by energy dispersive spectroscopy method. From the microstructural investigation, various surface and interface defects such as unmelted particle formation, pores, microcracks, splat delamination etc. have been observed at the coatings developed at low primary gas flow rate and homogeneous splats have been observed from the coatings developed at higher primary gas flow rate. …”
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  12. 3712

    Profiles of traditional farms: soil texture, total inorganic N and bacteria-producing estate by Yuni Puji Hastuti, Iman Rusmana, T. Widiyanto

    Published 2010-07-01
    “…Chemical and biological analyses were done using spectroscopy and Most Probable Number methods to determine the amount of nitrite and ammonium production of bacteria.  …”
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  13. 3713

    Remarkable improvement in drilling fluid properties with graphitic-carbon nitride for enhanced wellbore stability by Anwar Ahmed, Erum Pervaiz, Iftikhar Ahmed, Tayyaba Noor

    Published 2025-01-01
    “…For this study, the g-C3N4 nanomaterial was produced by melamine pyrolysis, and characterized by X-Ray Diffraction, Scanning Electron Microscopy and Fourier Transform Infrared spectroscopy techniques. The developed g-C3N4 was used to formulate the WBM and its impact on the formulated mud system's rheological and filtration control characteristics as well as on shale stability was examined. …”
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  14. 3714

    NIRS as an alternative method for table grapes Seedlessness sorting by Chaorai Kanchanomai, Parichat Theanjumpol, Phonkrit Maniwara, Sila Kittiwachana, Sujitra Funsueb, Shintaroh Ohashi, Daruni Naphrom

    Published 2025-06-01
    “…The shortwave-near infrared spectroscopy (SW-NIRS), coupled with suitable chemometric analysis, is a non-destructive method for sorting and prediction of seedlessness grapes. …”
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  15. 3715

    Analysis of oral cancer carcinogens in repeatedly heated cooking oils by Vidhant Krishna Nambiar, Vidya Mudliar, Inosi Salababa

    Published 2025-01-01
    “…The test group (T0-3) of oils were heated to 190 °C and tested for the presence of carcinogens using Gas chromatography Mass Spectroscopy after 1.5 h at recommended temperature (T0), reheated to 190 °C and tested after 1 h (T1), reheated to 190 °C and tested after 3 h (T2) and reheated to 190 °C and tested after 6 h (T3). …”
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  16. 3716

    A Novel Method for Preparation of Carrageenan/Fish Scale Collagen/Allopurinol Biocomposite Film by Quoc Manh Vu, Thuy Chinh Nguyen, Duong My Ngoc Dam, Quoc Trung Vu, Trong Lu Le, Tran Dung Hoang, Thi Kim Ngan Tran, Tuan Anh Nguyen, Phi Hung Nguyen, Hoang Thai

    Published 2021-01-01
    “…The results of infrared (IR) spectroscopy and field emission scanning electron microscopy (FESEM) analyses showed that the CCA biocomposite films have a regular structure, and the functional groups of components in the biocomposites can interact with each other. …”
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  17. 3717

    Antifungal efficacy of chitosan-mediated fenugreek nanocomposite incorporated in tissue conditioner by Mohika Damle, Ponsekar Abraham Anandapandian, B. Eswaran, Swapnaneel Pradhan, Silvin Joe C J, Shreyas Dhumke

    Published 2025-03-01
    “…Methodology: After synthesizing chitosan mediated fenugreek Nanocomposite, its characterization was performed using SEM, FTIR analysis and UV–Vis spectroscopy. Heat cure denture base discs coated with tissue conditioner-nanocomposite mixture were used to transfer fungal cultures onto Rose Bengal agar to assess colony formation. …”
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  18. 3718

    Facile Synthesis, Characterization, and Cytotoxic Activity of Europium-Doped Nanohydroxyapatite by Paulina-Guadalupe Miranda-Meléndez, Gabriel-Alejandro Martínez-Castañón, Nereyda Niño-Martínez, Nuria Patiño-Marín, Miguel-Ángel Casillas-Santana, Brenda-Erendida Castillo-Silva, Facundo Ruiz

    Published 2016-01-01
    “…The samples were analyzed by transmission electron microscopy, X-ray diffraction analysis, Fourier transform infrared spectroscopy, and photoluminescence. Also, impregnation and release of 5-fluorouracil were assessed in PBS. …”
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  19. 3719

    Effect of high MgO/Al2O3ratio (1.2 to 2.2) on sintering behavior and metallurgical properties by Ju J.-T., Tang C.-M., Pang Z.-G., Xing X. -D., Ji G.-H.

    Published 2021-01-01
    “…The main characterization methods of X-ray diffraction (XRD) and scanning electron microscopyenergy disperse spectroscopy (SEM-EDS) were employed. The results showed that the strength, yield, and reducibility of sinter initially increased and then decreased with increasing MgO/Al2O3 ratio from 1.2 to 2.2. …”
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  20. 3720

    Sustainable Valorization of Rice Straw into Biochar and Carbon Dots Using a Novel One-Pot Approach for Dual Applications in Detection and Removal of Lead Ions by Jagpreet Singh, Monika Bhattu, Meenakshi Verma, Mikhael Bechelany, Satinder Kaur Brar, Rajendrasinh Jadeja

    Published 2025-01-01
    “…The various microscopic and spectroscopy techniques confirmed the formation of porous structure and spherical morphology of R-BC and R-CDs, respectively. …”
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