Showing 1,941 - 1,960 results of 2,870 for search '"infrared"', query time: 0.06s Refine Results
  1. 1941

    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. 1942

    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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    Article
  3. 1943

    Prospects for the introduction of <i>Symphytum asperum</i> Lepech. into the Far North of the Russian Federation by V. A. Korelina, O. B. Batakova

    Published 2021-04-01
    “…‘Prior’) in the biochemical laboratory in a NIR SCANNER 4250 infrared analyzer, calculated for 1 kg of dry matter.Results. …”
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    Article
  4. 1944

    From byssus threads to Pinna nobilis sea-silk: a fiber characterization by Lorena C. Giannossa, Annarosa Mangone, Giovanni Lagioia, Gerardo Palazzo, Luigi Gentile

    Published 2023-11-01
    “…Additionally, by using wide-angle X-ray diffraction (WAXRD) and infrared (IR) spectroscopy, we discover hydroxyapatite adsorbed onto the initial fibers. …”
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    Article
  5. 1945

    Modeling of winter wheat yield prediction based on solar-induced chlorophyll fluorescence by machine learning methods by Minxue Zheng, Han Hu, Yue Niu, Qiu Shen, Feng Jia, Xiaolei Geng

    Published 2025-12-01
    “…However, it remains unclear to what extent satellite-based SIF data can predict crop yields at the regional scale compared to the newly proposed Near-Infrared Reflectance of Vegetation (NIRv). Using multiple statistical machine learning (ML) methods, this study investigated the predictive abilities of SIF and NIRv by combining climate data to predict winter wheat yields in five provinces in the North China Plain (NCP). …”
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    Article
  6. 1946

    Ecofriendly remediation of cadmium, lead, and zinc using dead cells of Microcystis aeruginosa by Mohamad S. Abdelkarim, Mohamed H. H. Ali, Doaa A. Kassem

    Published 2025-01-01
    “…Some physical characterization of the dead biomass was performed, including scanning electron microscope (SEM) which revealed that, the cells form a dense, amorphous cluster, energy-dispersive X-ray (EDX) spectroscopy confirmed that carbon, oxygen, and nitrogen are the predominant elements in the biomass, Fourier transformation infrared (FTIR) spectroscopy identified several active function groups, including hydroxyl, aliphatic C–H amide I and amide II bands, carboxylate and carbonyl (C=O). …”
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  7. 1947

    Analysis of Refractive Index Sensing Properties of a Hybrid Hollow Cylindrical Tetramer Array by Meng Wang, Paerhatijiang Tuersun, Aibibula Abudula, Lan Jiang, Dibo Xu

    Published 2025-01-01
    “…It is found that the position of the resonance peaks can be freely tuned in the visible and near-infrared regions, and a sensitivity of up to 542.8 nm/RIU can be achieved, with a <i>Q</i> factor of 1495.1 and a figure of merit of 1103.3 RIU<sup>−1</sup>. …”
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  8. 1948

    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
  9. 1949

    Optogenetic regulation of endogenous gene transcription in mammals by E. S. Omelina, A. V. Pindyurin

    Published 2019-03-01
    “…Among optogenetic tools, long-wavelength light-controlled systems are more preferable for use in mammalian tissues in comparison with tools utilizing shorter wavelengths, since far-red/near-infrared light has the maximum penetration depth due to lower light scattering caused by lipids and reduced tissue autofluorescence at wavelengths above 700 nm. …”
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  10. 1950

    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. …”
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  11. 1951

    Influence of the Activator Concentration and Solid/Liquid Ratio on the Strength and Shrinkage Characteristics of Alkali-Activated Slag Geopolymer Pastes by Zikai Xu, Jinchao Yue, Guanhong Pang, Ruixia Li, Peng Zhang, Shengtang Xu

    Published 2021-01-01
    “…For a better understanding of the reaction mechanism and microstructure of the geopolymer pastes, a multitechnique approach including scanning electron microscopy, X-ray diffraction, and Fourier transform infrared spectra was carried out. The results showed that the geopolymers compressive strength increased significantly as the activator concentration increased. …”
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    Article
  12. 1952

    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
  13. 1953

    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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  14. 1954

    Bridging Molecular Docking to Molecular Dynamics to Enlighten Recognition Processes of Tailored D-A/D-A-D Types' AIEgens with HSA/BSA by Harun Nalçakan, Gülbin Kurtay

    Published 2023-09-01
    “…Therefore, the development of photosensitizers emitting light, particularly in the near-infrared region (NIR), is essential for enhancing the efficacy of cancer therapy. …”
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    Article
  15. 1955

    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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    Article
  16. 1956

    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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  17. 1957

    Discovery of Metal-poor and Distant Pre–Main Sequence Candidates in WLM with JWST by Venu M. Kalari, Ricardo Salinas, Morten Andersen, Guido De Marchi, Monica Rubio, Jorick S. Vink, Hans Zinnecker

    Published 2025-01-01
    “…These candidates have masses between 1.25 and 5 M _⊙ , with ages <10 Myr, and exhibit significant near-infrared excesses at 2.5 and 4.3 μ m. They are concentrated within a cluster roughly 10 pc (2″) across, situated in the H ii region [HM95]-9. …”
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  18. 1958

    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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    Article
  19. 1959

    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
  20. 1960

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

    Published 2021
    “…A dynamic light-scattering analysis registered the mean zeta potential of +6.3mV and +0.9 mV for PAE and CSE biosynthesized nanoparticles, respectively. 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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