Showing 801 - 820 results of 1,139 for search '"infrared spectroscopy"', query time: 0.06s Refine Results
  1. 801

    Magnetic nano-sized solid acid catalyst bearing sulfonic acid groups for biodiesel synthesis and oxidation of sulfides by Durgesh Singh, Kamini Singh, Yashwantsinh Jadeja, Soumya V. Menon, Priyanka Singh, Safaa Mohammed Ibrahim, Manmeet Singh, Munther Kadhim Abosaoda, Salwa Bader Al Reshaidan, Mohammed A. El-Meligy

    Published 2025-01-01
    “…To examine the physicochemical characteristics of the AlFe2O4@n-Pr@Et-SO3H nanomaterial, a variety of advanced techniques were employed, including Fourier Transform infrared spectroscopy (FT-IR), Field emission scanning electron microscopy (FE-SEM), Energy dispersive X-ray spectroscopy (EDX), Vibrating sample magnetometer (VSM), Elemental Mapping, Transmission electron microscopy (TEM), Inductively coupled plasma (ICP), and X-ray diffraction (XRD). …”
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  2. 802

    Chitosan nanoparticles loaded with Lactobacillus rhamnosus bioactive metabolites: Preparation, characterization, and antifungal activity by Aya Abdel-Nasser, Hayam M. Fathy, Ahmed N. Badr, Olfat S. Barakat, Amal S. Hathout

    Published 2025-01-01
    “…The chitosan nanoparticles loaded with L. rhamnosus bioactive metabolites were characterized using the transmission electron microscope (TEM), zeta potential, size distribution, polydiversity index (PDI), pH, encapsulation efficiency and Fourier transform infrared spectroscopy (FTIR). The TEM revealed that the chitosan nanoparticles loaded with bioactive metabolites were spherical and smooth on the surface, and by increasing the concentration of bioactive metabolites added to the chitosan nanoparticles, the diameter of the chitosan nanoparticle grew. …”
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  3. 803

    Physicochemical and Thermal Characteristics of Onion Skin from Fifteen Indian Cultivars for Possible Food Applications by Narashans Alok Sagar, Anil Khar, Vikas, Ayon Tarafdar, Sunil Pareek

    Published 2021-01-01
    “…Fourier transform infrared spectroscopy analysis explored the various metabolites present in each cultivar. …”
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  4. 804

    Synthesis of Silica-Coated Fe3O4 Nanoparticles by Microemulsion Method: Characterization and Evaluation of Antimicrobial Activity by Goshu Asab, Enyew Amare Zereffa, Teshome Abdo Seghne

    Published 2020-01-01
    “…The synthesized materials were characterized by X-ray diffraction, scanning electron microscopy, thermal analyzer, and infrared spectroscopy. X-ray diffraction pattern of Fe3O4 showed that particles were phase pure with a cubic inverse spinel structure and FT-infrared spectra confirmed the presence of Fe-O bond in tetrahedral and octahedral interstitial sites. …”
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  5. 805

    Research on the Interaction between Eight Polyphenols and Arachin by Zuwei ZHANG, Rurui LI, Cong YANG, Yongyan MENG, Mingjuan SHEN, Jian SUN, Xuechun ZHANG

    Published 2025-01-01
    “…Additionally, catechin, myricetin, and gallic acid were observed to form high-molecular-weight polymers with arachin through covalent cross-linking, verified by SDS-PAGE. Fourier infrared spectroscopy showed that polyphenols induced various conformational changes in arachin, notably increasing the proportion of α-helix, with the maximum rise reaching 36.33%. …”
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  6. 806

    Fabrication of antibacterial bio‐composite from polyvinyl alcohol incorporated with Azadirachta indica by Md. Tanvir Hossain, Md. Abdus Shahid

    Published 2025-01-01
    “…Fourier transforms infrared spectroscopy (FTIR) was employed to investigate the bonding behavior, and a Universal Strength Tester was used to determine the mechanical properties. …”
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  7. 807

    Exploring the novel environmentally friendly highly hydrophobic TiO2 coating for enhanced anti-corrosion performance of steel in potential industrial applications by Haewon Byeon, J. Sunil

    Published 2025-03-01
    “…X-ray diffraction (XRD) analysis, Rietveld refinement, and Fourier-transform infrared spectroscopy (FTIR) confirmed the successful synthesis of TiO2 nanoparticles. …”
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    Article
  8. 808

    Isotherms and Kinetic Studies of Copper Removal from Textile Wastewater and Aqueous Solution Using Powdered Banana Peel Waste as an Adsorbent in Batch Adsorption Systems by Momina Seleman, Takele Sime, Abate Ayele, Assefa Sergawie, Thabo Nkambule, Jemal Fito

    Published 2023-01-01
    “…The Fourier-transform infrared spectroscopy (FTIR) results showed that the alkyne, aldehyde, and amide functional groups were dominant in the powdered banana peel surface, and the scanning electron microscope showed the morphology of the adsorbent. …”
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  9. 809

    Synthesis of BiOI-TiO2 Composite Nanoparticles by Microemulsion Method and Study on Their Photocatalytic Activities by Yunfang Chen, Xiaoxin Xu, Jianzhang Fang, Guangying Zhou, Zhang Liu, Shuxing Wu, Weicheng Xu, Jinhui Chu, Ximiao Zhu

    Published 2014-01-01
    “…The synthesized particles were characterized by X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET) surface analyzer, Fourier transform-infrared spectroscopy (FT-IR), ultraviolet-visible light (UV-Vis) absorption spectra and transmission electron microscope (TEM). …”
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  10. 810

    Preparation and Characterization of Rosa roxburghii Tratt Polyphenol-Sodium Alginate-Soy Protein Isolate Nanocomposites and Their Antioxidant Activity by Han LIU, Xiaoyan LIU, Yinping GUO, Xingyan MU, Zihui SHI

    Published 2025-02-01
    “…The complexes were characterized by particle size, polymer dispersity index (PDI), Zeta potential, fluorescence spectrum, surface hydrophobicity, differential scanning calorimetry (DSC) and Fourier transform infrared spectroscopy (FTIR). Molecular docking technology was applied for theoretical verification. …”
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  11. 811

    Crude Oil Source Identification of Asphalt via ATR-FTIR Approach Combined with Multivariate Statistical Analysis by Ruibo Ren, Wenmiao Fan, Pinhui Zhao, Hao Zhou, Weikun Meng, Ping Ji

    Published 2020-01-01
    “…The model was established based on diverse fingerprint recognition technologies (such as principal component analysis (PCA) and multivariate logistic regression analysis) by using attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR). In this way, the crude oil source of different asphalt samples can be effectively discriminated. …”
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  12. 812

    Micro to Nanolevel Stabilization of Expansive Clay Using Agro-Wastes by Mehmood Munawar, Ammad H. Khan, Zia U. Rehman, Abdur Rahim, Mubashir Aziz, Sultan Almuaythir, Bothaina S. I. A. El Kheir, Farhan Haider

    Published 2023-01-01
    “…The chemical characterization of C and its blends were conducted through Fourier transform infrared spectroscopy (FTIR) and optical microscopic tests. …”
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  13. 813

    Mechanochemical Functionalization of Oxidized Carbon Black with PLA by Aida Kiani, Mattia Naddeo, Federica Santulli, Valentina Volpe, Mina Mazzeo, Maria Rosaria Acocella

    Published 2024-12-01
    “…The functionalized carbon black (f-CB) was characterized by Fourier transform infrared spectroscopy (FTIR), elemental analysis (EA), and thermogravimetric analysis (TGA) to confirm the successful modification. …”
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  14. 814

    "Effect of p-aminosalicylic acid rare earth complex on aging resistance of natural rubber" by "LIU Yong-gang1,2, HAO Wei2, LIU Zhao-gang2, WANG Xiao-li1, MA Sheng-mei1, ZHANG Shi-zhong1, ZHANG Feng-long1"

    Published 2024-12-01
    “…Natural rubber (NR) vulcanizates were prepared using rare earth antioxidants, such as lanthanum aminosalicylate (PAS-La), cerium aminosalicylate (PAS-Ce), lanthanum and cerium aminosalicylate (PAS-La-Ce), and hindered phenolic antioxidant 2246, respectively, the protective effects of four types of antioxidants on NR thermal-oxidative aging were compared by hardness, tensile properties, thermogravimetric analysis, and infrared spectroscopy, and Kissinger method and Flynn-Wall-Ozawa method were used to analyze the thermal-oxidative aging behavior of NR vulcanizates without antioxidant and with four kinds of antioxidants. …”
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  15. 815

    Adsorption Performance of La(III) and Y(III) on Orange Peel: Impact of Experimental Variables, Isotherms, and Kinetics by Li Liu, Yunzhang Rao, Changshun Tian, Tao Huang, Jiacheng Lu, Meidao Zhang, Min Han

    Published 2021-01-01
    “…The adsorption properties of orange peel are characterized using scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR), and the participation of hydroxyl and other oxygen-containing groups that promote the physical-chemical interaction is verified. …”
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  16. 816

    Preparation and Characterization of Auricularia cornea Ehrenb Polysaccharide-Zn Complex and Its Hypoglycemic Activity through Regulating Insulin Resistance in HepG2 Cells by Tingting Liu, Shanshan Zhang, Nan Wang, Xinle Xu, Hongcheng Liu, Dawei Wang, Yanrong Zhang

    Published 2021-01-01
    “…Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy (SEM), nuclear magnetic resonance (NMR), and other means are used to analyze the physical-chemical properties and structure of ACEP and ACEP-Zn, to investigate the inhibition of α-glycosidase and α-amylase enzymes, and to explore its effects on the glucose metabolism of insulin-resistant HepG2 cells. …”
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    Article
  17. 817

    Water-mediated ion transport in an anion exchange membrane by Zhongyang Wang, Ge Sun, Nicholas H. C. Lewis, Mrinmay Mandal, Abhishek Sharma, Mincheol Kim, Joan M. Montes de Oca, Kai Wang, Aaron Taggart, Alex B. Martinson, Paul A. Kohl, Andrei Tokmakoff, Shrayesh N. Patel, Paul F. Nealey, Juan J. de Pablo

    Published 2025-01-01
    “…In this work, we use two-dimensional infrared spectroscopy and semiclassical simulations to examine how water molecules are arranged into successive solvation shells, and we explain how that structure influences the dynamics of bromide ion transport processes in polynorbornene-based materials. …”
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  18. 818

    Unravelling the Methylene Blue Adsorption Mechanism on Doped and Nondoped Polyaniline: A Combined Molecular Modeling and Experimental Investigation by Souad Djellali, Amani Touati, Abderrahmane Semmeq, Maya Kebaili, Michael Badawi, Adrián Bonilla-Petriciolet

    Published 2022-01-01
    “…Experimental adsorption studies at different operating conditions were performed to complement the mechanism analysis of this adsorption system. Infrared spectroscopy studies and ab initio calculations showed the important role of π-π stacking and van der Waals interactions for the dye adsorption on PANI. …”
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  19. 819

    Development of a Multifunctional Chitosan-Based Composite Film from Crab Shell (<i>Portunus segnis</i>) and Algae (<i>Ulva lactuca</i>) with Enhanced Antioxidant and Antimicrobial... by Imen Zaghbib, Johar Amin Ahmed Abdullah, Alberto Romero

    Published 2024-12-01
    “…Fourier-transform infrared spectroscopy revealed intermolecular interactions between ULP’s polyphenolic compounds and the chitosan matrix, enhancing the films’ structural integrities. …”
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  20. 820

    Reversal of Experimental Liver Damage after Transplantation of Stem-Derived Cells Detected by FTIR Spectroscopy by Danna Ye, Philip Heraud, Rangsun Parnpai, Tong Li

    Published 2017-01-01
    “…The regenerative effects of rBM-MSC-DSCs were corroborated unequivocally by the phenotypic difference analysis between liver tissues revealed by infrared spectroscopy. Spectroscopic changes in the spectral region from 1190–970 cm−1 (bands with absorbance maxima at 1150 cm−1, 1081 cm−1, and 1026 cm−1) indicated decreased levels of carbohydrates, in rBM-MSC-DSC-transplanted livers, compared with untreated and rBM-MSC--transplanted animals. …”
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