Showing 721 - 740 results of 1,139 for search '"infrared spectroscopy"', query time: 0.06s Refine Results
  1. 721

    Investigating the antimicrobial activity of silver nanoparticles with varying charges green-synthesized from Tabebuia rosea flower by Trung Dien Nguyen, Thao Phuc-Nguyen Nguyen, Nhung Thi-Tuyet Thai, Yen Hai Hoang, Gia Thi-Ngoc Trinh

    Published 2024-12-01
    “…These biosynthesized nanoparticles, presenting negative, neutral, and positive charges, were thoroughly analyzed by means of a number of techniques including Ultraviolet-visible spectroscopy, X-ray diffraction, transmission electron microscopy, and Fourier-transform infrared spectroscopy. By incorporating chitosan, the zeta potential of the green-synthesized nanomaterials was modified, shifting from negative to positive. …”
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    Article
  2. 722

    Methane Adsorption in Anthracite Coal under Different Pressures and Temperatures—A Study Combining Isothermal Adsorption and Molecular Simulation by Tieya Jing, Jian Zhang, Mingyu Zhu, Wentao Zhao, Juan Zhou, Yulong Yin

    Published 2023-01-01
    “…In this study, the molecular structure and methane adsorption capacity of anthracite coal collected from Diandong Coalfield (China) were studied based on 13C nuclear magnetic resonance (13C NMR), Fourier transform infrared spectroscopy (FT-IR), and methane isothermal adsorption experiment. …”
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  3. 723

    Investigating the Effect of Temperature and Time of the Process of Producing Graphene Quantum Dots by Carbonization on Structural, Microstructural, and Optical Properties by M. Nazari, H. R. Baharvandi, N. Ehsani

    Published 2024-12-01
    “…Next, the Raman test and fourier transform infrared spectroscopy, dynamic light scattering, photoluminescence, and ultraviolet-visible spectroscopy were performed to investigate the properties of graphene quantum dots of the product. …”
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    Article
  4. 724

    Effects of Changes in Colored Light on Brain and Calf Muscle Blood Concentration and Oxygenation by J. Weinzirl, M. Wolf, P. Heusser, M. Nelle, U. Wolf

    Published 2011-01-01
    “…Twelve healthy volunteers (six male, six female) were measured twice on two different days by near-infrared spectroscopy during exposure to colored light. Two sequences of colored light were applied in a controlled, randomized, crossover design: first blue, then red, and vice versa. …”
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    Article
  5. 725

    Use of aldol condensation between furfural and acetone for biofuel production: A review by Tayla Luiza Pereira Borges, Rejane de Castro Santana, André Gustavo Sato, Fábio de Ávila Rodrigues

    Published 2024-12-01
    “…Additionally, the study explores cutting-edge methodologies for catalyst characterization, utilizing tools such as field emission scanning electron microscopy (FESEM), X-ray photoelectron spectroscopy (XPS), Fourier-transform infrared spectroscopy (FTIR), and inductively coupled plasma optical emission spectroscopy (ICP-OES) to obtain precise quantitative and qualitative insights. …”
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    Article
  6. 726

    Regenerative and Innovative Utilization of Coffee Residue and Waste Cooking Oil: Improving Rheological Properties of Recycled Asphalt by Ruipeng Zhu, Chunhua Hu

    Published 2024-12-01
    “…The recycled asphalt (RA) was analyzed through conventional indexes, microscopic characteristics, and rheological properties using penetration and softening point tests, Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and a dynamic shear rheometer (DSR). …”
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    Article
  7. 727

    Preparation of Magnetic Composite Polyaniline/Fe3O4−Hydrotalcite and Performance in Removal of Methyl Orange by Thi Tuong An Tran, Huynh Thanh Linh Duong, Thi Thuy Phuong Pham, Tri Nguyen, Thi Dung Nguyen, Boi An Tran

    Published 2021-01-01
    “…The structure and properties of Pan/MHT were characterized by Fourier-transform infrared spectroscopy, scanning electron microscopy, X-ray diffraction, vibrating sample magnetometer, and Brunauer-Emmett-Teller adsorption isotherm. …”
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  8. 728

    Catalytic efficiency of GO-PANI nanocomposite in the synthesis of N-Aryl-1,4-Dihydropyridine and hydroquinoline derivatives by Hossein Ghafuri, Moghadaseh keshvari, Fatemeh Eshrati, Peyman Hanifehnejad, Atefeh Emami, Hamid Reza Esmaili Zand

    Published 2025-01-01
    “…The GO-PANI nanocomposite was thoroughly characterized by various techniques, including Fourier Transforms Infrared spectroscopy (FT-IR), Field Emission Scanning Electron Microscopy (FE-SEM), X-ray Diffraction analysis (XRD), Thermogravimetric analysis (TGA), and Energy Dispersive X-ray spectroscopy (EDS), all of which confirmed the successful synthesis of the nanocomposite. …”
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    Article
  9. 729

    Study on the Photodegradation Stability of Poly(butylene Succinate-co-butylene Adipate)/TiO2 Nanocomposites by Lihai Cai, Zhiguo Qi, Jun Xu, Baohua Guo, Zhongyao Huang

    Published 2019-01-01
    “…The effect of TiO2 nanoparticles on the photodegradation behaviors of the nanocomposite was investigated by transmission electron microscopy (TEM), differential scanning calorimetry (DSC), Fourier-transform infrared spectroscopy (FT-IR), field-emission scanning electron microscopy (FE-SEM), rheological measurements, and mechanical tests. …”
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  10. 730

    Employing algal extract for the fabrication of bimetallic nanoparticles: A powerful solution against tomato pathogenic fungi by Reham M. Aldahasi, Kawther Aabed, Sahar S. Alghamdi, Afrah E. Mohammed

    Published 2025-01-01
    “…The nanoparticles were thoroughly characterized using advanced techniques, including UV–visible spectrophotometry, Fourier transform infrared spectroscopy (FTIR), dynamic light scattering, scanning electron microscopy, transmission electron microscopy, and energy-dispersive x-ray spectroscopy. …”
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    Article
  11. 731

    Green Strategy–Based Synthesis of Silver Nanoparticles for Antibacterial Applications by Keneth Iceland, Kasozi

    Published 2021
    “…Fourier transform infrared spectroscopy spectra exhibited bands corresponding to different organic functional groups confirming the capping of AgNPs by PAE and CSE phytochemicals. …”
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    Article
  12. 732

    Antibacterial activity of selenium nanoparticles/copper oxide (SeNPs/CuO) nanocomposite against some multi-drug resistant clinical pathogens by Ahmed Morad Asaad, Sara A. Saied, Mohammad M. Torayah, N. I. Abu-Elsaad, Samah Mohammed Awad.

    Published 2025-01-01
    “…The fabricated nanocomposite was fully characterized by X-Ray diffraction analysis (XRD), fourier transforms infrared spectroscopy (FTIR), and transmission electron microscope (TEM). …”
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    Article
  13. 733

    Trimetallic ferrite functionalized by guaninium tartrate ionic liquid (Co0.2Zn0.6Cu0.2Fe2O4-SiO2@[GuaH]+[Tar]2‒[GuaH]+) as a novel inorganic-bioorganic nanostructure to promote aqu... by Zahra Khademi, Kobra Nikoofar, Mansoureh Zahedi-Tabrizi

    Published 2025-02-01
    “…The novel bio-nanostructure was characterized by various techniques such as fourier transform infrared spectroscopy (FT-IR), energy dispersive X-ray analysis (EDAX), EDAX mapping, field emission scanning electron microscopy (FESEM), X-ray fluorescence (XRF), X-ray diffraction (XRD), thermogravimetric/differential thermal gravimetric analysis (TGA/DTG), vibrating sample magnetometry (VSM), high resolution transmission electron microscopy (HRTEM), and zeta potential analysis. …”
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    Article
  14. 734

    Pyrolysis and Morphology Behavior of EDTA-Na2Mg•4H2O and Coal Tar Pitch and Its Application for Porous Carbon by Wen-Juan Zhang, Shi-Hua Song, Wen-Hong Tian

    Published 2021-01-01
    “…The pyrolysis and morphology behavior of the mixture of EDTA-Na2Mg•4H2O and coal tar pitch (EDTA-Na2Mg•4H2O@CTP) were studied by thermogravimetry and differential scanning calorimetry, Fourier transform infrared spectroscopy, X-ray diffraction, and scanning electron microscopy. …”
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  15. 735

    Fabrication of highly efficient quartz crystal microbalance ammonia sensor based on Cu-BTC nanocomposites by Kobra Vazirinezhad, Fatemeh Shariatmadar Tehrani, Sedigheh Zeinali, Maryam Tohidi

    Published 2025-06-01
    “…The size and morphology, chemical, crystalline structure, and porosity properties of the synthesized Cu-BTC and Cu-BTC/CNT nanocomposites were examined by field emission scanning electron microscopy (FE-SEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and BET techniques, respectively. …”
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  16. 736

    Fabrication of Hybrid Materials Based on Waste Polyethylene/Porous Activated Metakaolinite Nanocomposite as an Efficient Membrane for Heavy Metal Desalination Processes by Mahmoud F. Mubarak, Mohamed A. Zayed, Ayman Nafady, Abeer E. L. Shahawy

    Published 2021-01-01
    “…Physicochemical techniques such as X-ray diffraction (XRD), surface analysis (BET), and Fourier transform infrared spectroscopy (FTIR) have been extensively employed to elucidate the structure/composition of the prepared nanomaterials. …”
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    Article
  17. 737

    Synergetic Effect of Nano-ZnO and Trinidad Lake Asphalt for Antiaging Properties of SBS-Modified Asphalt by Yiqun Zhan, Jun Xie, Yulin Wu, Yifan Wang

    Published 2020-01-01
    “…The conventional physical index, rheological index, and four-component content of SBS-modified asphalt before and after three aging modes were tested, and the characteristic functional groups in SBS-modified asphalt were tracked and analyzed by Fourier transform infrared spectroscopy (FTIR). The results show that the effects of aging on the rheological properties of SBS-modified asphalt are clearly reduced by adding different proportions of nano-ZnO and TLA in the process of thermal oxygen aging and the ultraviolet aging test, and the antiaging ability of SBS-modified asphalt is clearly improved. …”
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    Article
  18. 738

    Characterization and modification mechanism of recycled silty clay slurry as a shield slag conditioner: Macroscopic, mesoscopic, and microscopic multiscale analysis by Keqi Liu, Pengxi Lu, Wen Zhao, Shuhong Wang

    Published 2025-07-01
    “…Subsequently, the relationships between the macroscopic properties of the silty clay slurries containing additives and the modification mechanism are evaluated at microscopic, mesoscopic, and macroscopic scales by using infrared spectroscopy (IR), scanning electron microscope (SEM), and Zeta potential tests, respectively. …”
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    Article
  19. 739

    Preparation of WO3/rGO/BiOBr and its photocatalytic degradation performance for ciprofloxacin wastewater by ZHOU Chaoyun, LING Yulin, JIANG Wenxue, ZHOU Jianhong

    Published 2025-01-01
    “…WRB was characterized by X-ray diffraction(XRD), scanning electron microscopy(SEM), Fourier infrared spectroscopy(FT-IR) and UV-Visible spectrophotometry(UV-Vis). …”
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  20. 740

    Evaluation of anion exchange resin for sorption of selenium (IV) from aqueous solutions by A. El-Tantawy, E. M. Abu Elgoud, S. E. A. Sharaf El-Deen

    Published 2025-01-01
    “…The morphology of the resin before and after Se(IV) sorption was investigated using different techniques such as energy dispersive X-ray spectroscopy (EDX), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). …”
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    Article