Showing 681 - 700 results of 842 for search '"infrared spectroscopy"', query time: 0.08s Refine Results
  1. 681

    Silver-blend hydroxyapatite bio-ceramics for enhanced photocatalytic degradation of methylene blue by Manoj V. Junnarkar, Prateek V. Sawant, Mahadev A. Parekar, Avadhut V. Kardile, Ashish B. Thorat, Ramakant P. Joshi, Ravindra U. Mene

    Published 2024-06-01
    “…X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and scanning electron microscope (SEM)/energy-dispersive X-ray spectroscopy (EDS) are used to analyze the structural, functional, morphological, and elemental properties of the samples. …”
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    Article
  2. 682

    Effect of Preparation Conditions of Fe@SiO<sub>2</sub> Catalyst on Its Structure Using High-Pressure Activity Studies in a 3D-Printed SS Microreactor by Meric Arslan, Sujoy Bepari, Juvairia Shajahan, Saif Hassan, Debasish Kuila

    Published 2025-01-01
    “…They were characterized by N<sub>2</sub> physisorption, H<sub>2</sub> temperature-programmed reduction (H<sub>2</sub>-TPR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), X-ray photoelectron microscopy (XPS), and thermogravimetric analysis–differential scanning calorimetry (TGA-DSC) techniques. …”
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  3. 683

    Application of synthesized Fe3O4@Gelatin nanoparticles on interfacial properties and enhanced oil recovery by Hossein Ghalenavi, Abdolhossein Hemmati-Sarapardeh, Mahin Schaffie, Saeid Norouzi-Apourvari

    Published 2025-01-01
    “…These NPS were characterized by Transmission Electron Microscopy (TEM), X-ray diffraction (XRD), and Fourier-transform infrared spectroscopy (FTIR). Afterward, various experiments including contact angle, interfacial tension (IFT), and micromodel flooding were performed to evaluate the capability of Fe3O4@Gelatin NPs for EOR application. …”
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    Article
  4. 684

    Film Properties, Water Retention, and Growth Promotion of Derivative Carboxymethyl Cellulose Materials from Cotton Straw by Yongni Wu, Mengfan Yu, Yanju Li, Yue Wu, Ziqiang Shao, Yanhua Liu

    Published 2021-01-01
    “…Their chemical structure, film morphology, water retention, biodegradability, and growth promotion were investigated with infrared spectroscopy (IR), scanning electron microscope (SEM), and field experiments. …”
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    Article
  5. 685

    Synthesis and characterization of nano dicalcium phosphate dihydrate from biogenic sources by Md. Kawcher Alam, Md. Sahadat Hossain, Mofassel Hossen Akash, Muhammad Shahriar Bashar, Newaz Mohammed Bahadur, Samina Ahmed

    Published 2025-03-01
    “…The powdered materials were analyzed using X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray (EDX), and Fourier-transform infrared spectroscopy (FT-IR). FT-IR spectroscopy was employed to determine the presence of functional groups in the prepared DCPD. …”
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  6. 686

    Effective Connectivity Study Guiding the Neuromodulation Intervention in Figurative Language Comprehension Using Optical Neuroimaging by Tania Alexandra Couto, Shiyang Xu, Paulo Armada da Silva, Chenggang Wu, Karl Neergaard, Meng-Yun Wang, Juan Zhang, Yutao Xiang, Zhen Yuan

    Published 2020-01-01
    “…The method is aimed at mapping significant causal relationships across language brain networks, captured by functional near-infrared spectroscopy measurements (fNIRS): (i) definition of regions of interest (ROIs) based on significant channels extracted from spatial activation maps; (ii) inspection of significant causal relationships in temporal resolution, exploring the experimental task agreement; and (iii) early identification of stronger causal relationships that guide neuromodulation intervention, targeting impaired connectivity pathways. …”
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  7. 687

    Insights into bacterial cellulose for adsorption and sustained-release mechanism of flavors by Jingyi Hu, Longfei Wang, Menglan Xiao, Weihua Chen, Meng Zhou, Yihan Hu, Yujie Zhang, Miao Lai, Aimin He, Mingqin Zhao

    Published 2025-01-01
    “…Scanning electron microscopy (SEM), X-ray diffraction (XRD), Flourier transform Infrared Spectroscopy (FTIR), and Brunauer-Emmett-Teller (BET) were utilized to verify the successful adsorption. …”
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  8. 688

    Production and characterization of eco-cement using eggshell powder and water hyacinth ash by Heri Septya Kusuma, Aurelio Muhammad Saleemah Agung, Najla Anira Putri, Muhamad Shifu, Nafisa Illiyanasafa, Bernadeta Ayu Widyaningrum, Andrew Nosakhare Amenaghawon, Handoko Darmokoesoemo

    Published 2025-06-01
    “…Three eco-cement samples with varying compositions of ESP and WHA were prepared and characterized using X-ray Fluorescence (XRF), Fourier-Transform Infrared Spectroscopy (FTIR), and Scanning Electron Microscopy (SEM). …”
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  9. 689

    Coconut Shell Activated Carbon/CoFe2O4 Composite for the Removal of Rhodamine B from Aqueous Solution by Le Phuong Hoang, Huu Tap Van, Thi Thuy Hang Nguyen, Van Quang Nguyen, Phan Quang Thang

    Published 2020-01-01
    “…The properties of coconut shell activated carbon (CAC) and CAC/CoFe2O4 were investigated through the usage of electron microscopic methods (SEM: Scanning Electron Microscopy, EDS: Energy Dispersive X-ray), powder X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). A series of batch experiments were implemented to evaluate the influences of various experimental parameters (initial pH, RhB concentration, contact time, and dosage of CAC/CoFe2O4) on the adsorption process. …”
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  10. 690

    Photodegradation process for the removal of acid orange 10 using titanium dioxide and bismuth vanadate from aqueous solution by B. Rahimi, A. Ebrahimi, N. Mansouri, N. Hosseini

    Published 2019-01-01
    “…The characteristics of catalysts were determined by field emission scanning electron microscopes, X-ray diffraction and Fourier transform infrared spectroscopy. The optimum values of initial dye concentration, initial pH, irradiation time and catalyst dose were found 11.889 mg/L, 4.592, 12.87 min, and 0.178 g/100 mL for ultraviolet/titanium dioxide process, respectively, and 10.919 mg/L, 3.231, 320.26 min and 0.239 g/100 mL for visible/bismuth vanadate process, respectively. …”
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  11. 691

    Comparison of Aging Performances and Mechanisms: Super-Durable Fire-Resistant “Xuan Paper” Versus Chinese Traditional Xuan Paper by Li-Ying Dong, Ying-Jie Zhu, Jin Wu, Han-Ping Yu

    Published 2025-01-01
    “…The aging mechanism of the traditional Xuan paper was further investigated by studying the fiber length/width and their distributions, morphology, infrared spectroscopy, thermogravimetric analysis, H–nuclear magnetic resonance spectra, and C–nuclear magnetic resonance spectra of cellulose fibers before and after the accelerated aging. …”
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  12. 692

    Influence of graphene nanoplatelets (GNPs) and aluminum-carbon layered double hydroxides (Al-C LDH) in polypropylene matrix of hybrid composite structures on the microstructure and... by R. Daulath Banu, R. Karunanithi, S. Sivasankaran, B. Subramanian, Abdullah A. Alhomidan

    Published 2024-10-01
    “…The developed hybrid composites were characterized using high-resolution scanning electron microscopy (HRSEM) for microstructural analysis, X-ray diffraction (XRD) for phase identification, X-ray photoelectron spectroscopy (XPS) for compositional analysis, and Fourier-transform infrared spectroscopy (FTIR) for functional group identification. …”
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    Article
  13. 693

    Monodispersed AgNPs Synthesized from the Nanofactories of Theobroma cacao (Cocoa) Leaves and Pod Husk and Their Antimicrobial Activity by Johnson Kwame Efavi, Emmanuel Nyankson, Kwaku Kyeremeh, Gloria Pokuaa Manu, Kingsford Asare, Nathaniel Yeboah

    Published 2022-01-01
    “…Scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), dynamic light scattering (DLS), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR) were used to further characterize the nanoparticles. …”
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    Article
  14. 694

    Real-time non-destructive characterization of epoxy resin curing kinetics and mechanical response for enhanced manufacturing quality control by Gonzalo Seisdedos, Edgar Viamontes, Eduardo Salazar, Cristian Pantea, Eric S. Davis, Tommy Rockward, Benjamin Boesl

    Published 2025-02-01
    “…This work presents a method to non-destructively evaluate the curing kinetics and viscoelastic properties of epoxy resin in real time due to variations in stoichiometry combining ultrasonics and Fourier Transform Infrared Spectroscopy. Samples with a different amine-to-epoxy ratio were manufactured and tested. …”
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    Article
  15. 695

    Sorption behavior of pomegranate polyphenols on surfactant-modified clays in aqueous solution by Houda Saad, Thouraya Turki, Mondher Srasra, Ezzeddine Srasra

    Published 2025-03-01
    “…Surfactant-modified clays were characterized by X-ray diffraction (XRD) and Fourier Transform Infrared spectroscopy (FTIR). The adsorption study was conducted at different pHs and polyphenols concentrations. …”
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    Article
  16. 696

    Isolation of Cellulose from Wheat Straw Using Alkaline Hydrogen Peroxide and Acidified Sodium Chlorite Treatments: Comparison of Yield and Properties by Umair Qasim, Zulfiqar Ali, Muhammad Shahid Nazir, Sadaf Ul Hassan, Sikander Rafiq, Farrukh Jamil, Ala’a H. Al-Muhtaseb, Muzaffar Ali, Muhammad Bilal Khan Niazi, Nasir M. Ahmad, Sami Ullah, Ahmad Mukhtar, Sidra Saqib

    Published 2020-01-01
    “…The final product (after treatments) was characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), and thermogravimetric analysis (TGA) for the identification of properties. …”
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    Article
  17. 697

    The Synthesis Followed by Spectral and Calorimetric Evaluation of Stability of Human Milk Fat Substitutes Obtained from Thistle Milk and Lard by Joanna Bryś, lnês Filipa Vaz Flores, Agata Górska, Ewa Ostrowska–Ligęza, Andrzej Bryś, Tomasz Niemiec, Piotr Koczoń

    Published 2019-01-01
    “…Pressure Differential Scanning Calorimetry (PDSC) and Fourier Transform Infrared Spectroscopy (FT-IR) were applied to evaluate quality of products formed. …”
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    Article
  18. 698

    Design and Preparation of Activated Carbon with High Specific Surface Area and Porosity Through an Organic Activator Coupled with CO2 Activation by Yizhong Li, Xiaoqing Yan, Zhi Cui, Jingkang Yuan, Baorong Xu, Guidong Yang

    Published 2025-02-01
    “…By means of thermogravimetric (TG) analysis and simultaneous thermal analysis‐Fourier transform infrared spectroscopy‐gas chromatography/mass spectrometry a suggested activation process and mechanism of the novel organic activators is proposed. …”
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  19. 699

    Optimization of Starch Saccharification Process and Structural Characterization of Starch Using Low Transglycosidation Activity Glucoamylase GluM3 by Haiyue FAN, Zhao YU, Zhengjie ZHANG, Ming LI, Yingguo BAI, Feng YU, Zhongyuan LI

    Published 2025-02-01
    “…Structural characterization of starch granules was conducted using methods such as scanning electron microscopy, X-ray diffraction, and infrared spectroscopy. The results showed that the optimal saccharification conditions were a liquefaction DE value of 16%, temperature at 66 ℃, pH at 3.7, time at 3 h, enzyme dosage at 450 U/g with pullulanase dosage at 1.25 U/g. …”
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    Article
  20. 700

    Effect of Preservation Methods on Physicochemical Quality, Phenolic Content, and Antioxidant Activity of Stevia Leaves by Nadia Hidar, Abdelhamid Noufid, Ayoub Mourjan, El Mustapha El Adnany, Safa Mghazli, Mohammed Mouhib, Abderrahim Jaouad, Mostafa Mahrouz

    Published 2021-01-01
    “…However, the main functional groups were stable as confirmed by Fourier transform infrared spectroscopy analysis. The effects on chlorophyll content, phenolic profile, and antioxidant properties were evaluated before and after ten months of storage. …”
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    Article