Showing 921 - 940 results of 1,139 for search '"infrared spectroscopy"', query time: 0.05s Refine Results
  1. 921

    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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  2. 922

    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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  3. 923

    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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  4. 924

    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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  5. 925

    Hot melt extrusion assisted additive manufacturing of mixed polymeric 3D printed metoprolol succinate extended-release tablets for controlled oral drug delivery by Shubham Ghatole, Jannu Dilip, Makka Krupali Ashokbhai, Himanshu Vishwakarma, Subham Banerjee, Santanu Kaity

    Published 2025-06-01
    “…The filaments were comprehensively characterized using tensile strength assessment, Fourier-transform infrared spectroscopy (FT-IR), and X-ray diffraction (XRD). …”
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  6. 926

    Brucine Entrapped Titanium Oxide Nanoparticle for Anticancer Treatment: An In Vitro Study by Rashed M. Almuqbil

    Published 2024-01-01
    “…The physiochemical, structural, and morphological aspects of Brucine-entrapped TiO2 NPs were evaluated by UV-visible spectrophotometer, Fourier transform-infrared spectroscopy (FT-IR), dynamic light scattering (DLS), scanning electron microscopy (SEM), and energy dispersive X-ray (EDAX). …”
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  7. 927

    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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  8. 928

    Effects of contralaterally controlled neuromuscular electrical stimulation on the connectivity pattern of poststroke patients with hemiplegia by ZHU Lan, SUI Youxin, WANG Qinglei, XU Sheng, SHEN Ying, GUO Chuan

    Published 2023-12-01
    “…ObjectiveThe main purpose of this study was to apply functional near-infrared spectroscopy (fNIRS) to analyze contralaterally controlled neuromuscular electrical stimulation (CCNMES) related changes in functional connectivity (FC) within a cortical network after stroke.MethodsA total of 48 stroke patients with upper limb hemiplegia who were treated in the Rehabilitation Medical Center of Changzhou De'an Hospital were included in the study from July 2021 to January 2022. …”
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  9. 929

    Optimizing the production and efficacy of antimicrobial bioactive compounds from Streptomyces kanamyceticus in combating multi-drug-resistant pathogens by Zifang Shang, Vipasha Sharma, Liu Pai, Tarun Kumar, Sandip Patil, Sandip Patil

    Published 2025-01-01
    “…The extracted compounds underwent Fourier Transform Infrared Spectroscopy (FTIR) analysis for functional group identification. …”
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  10. 930

    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. 931

    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. 932

    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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  13. 933

    Green synthesis of metal nanoparticles, characterization, and biosensing applications by Chiravoot Pechyen, Benchamaporn Tangnorawich, Surachet Toommee, Robert Marks, Yardnapar Parcharoen

    Published 2024-01-01
    “…The importance of thorough characterization of nanoparticles is also discussed, highlighting techniques such as transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and UV–Vis spectroscopy to analyze the size, shape, surface properties, structural integrity, and optical behavior of the NPs. …”
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  14. 934

    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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  15. 935

    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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  16. 936

    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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  17. 937

    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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  18. 938

    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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  19. 939

    Preliminary mechanistic insights into the detection of ethanol vapour using MnO2 NRs-CNPs-poly-4-(vinylpyridine) based solid-state sensor operating at room temperature by Lesego Malepe, Derek Tantoh Ndinteh, Patrick Ndungu, Messai Adenew Mamo

    Published 2025-01-01
    “…MnO2, CNPs, P4VP, and MnO2 NRs-CNPs-P4VP composite were characterised using scanning electron microscopy, transmission electron microscopy, powder X-ray diffraction, Fourier transform infrared spectroscopy, and Raman spectroscopy. Five sensors were prepared, namely, sensor 1 (MnO2-NRs), sensor 2 (CNPs), sensor 3 (CNPs-P4VP composite of a mass ratio of 1:3), sensor 4 (MnO2 NRs-CNPs-P4VP composite of a mass ratio 1:1:3), and sensor 5 (MnO2 NRs-CNPs-P4VP composite of a mass ratio 2:1:3). …”
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  20. 940

    Effect of Extraction Methods on Physicochemical and Functional Properties of Nannochloropsis Proteins by Suyan HUANG, Rong CAO, Nan LIU, Yong SUN, Deqing ZHOU, Shanshan WANG

    Published 2025-01-01
    “…Fourier transform infrared spectroscopy (FTIR) showed that all three proteins displayed typical protein absorption peaks, however, the secondary structure changed. …”
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