Showing 321 - 340 results of 1,139 for search '"infrared spectroscopy"', query time: 0.05s Refine Results
  1. 321

    Investigation of the Changes in Surface Area and FT-IR Spectra of Activated Carbons Obtained from Hazelnut Shells by Physicochemical Treatment Methods by Aziz Şencan, Mehmet Kılıç

    Published 2015-01-01
    “…In addition, changes in the functional groups of the obtained ACs during these treatments were determined with the Fourier transform infrared spectroscopy (FT-IR). To determine the most effective chemical agent, the charcoal samples were examined for Pb(II) adsorption from aqueous solutions under different pH conditions of 4 to 6. …”
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  2. 322

    Design of 3‐aminophenol‐grafted polymer‐modified zinc sulphide nanoparticles as drug delivery system by Milad Abniki, Zahra Azizi, Homayon Ahmad Panahi

    Published 2021-10-01
    “…The modified nanosorbent was investigated with Fourier transform infrared spectroscopy and thermogravimetric analysis. The particle size of the modified nanosorbent was studied with scanning electron microscopy. …”
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  3. 323

    Gender differences in oxyhemoglobin (oxy-Hb) changes during drawing interactions in romantic couples: an fNIRS study by Xinxin Huang, Limin Bai, Yantong Chen, Hongsen Cui, Lishen Wang

    Published 2025-01-01
    “…The present study examined gender differences in oxyhemoglobin (oxy-Hb) changes during real-time drawing interactions between members of romantic couples using non-invasive functional near-infrared spectroscopy (fNIRS). We analyzed the oxy-Hb concentrations of romantic couples engaged in interactive (i.e., chase and escape) and non-interactive (i.e., individual) drawing sessions. …”
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  4. 324

    Sulfonation of Divinylbenzene Adsorbents Packed in a Micro Sampler to Extract Airborne Organic Compounds by Po-Jung Huang, Wen-Hsi Cheng, Chia-Yu Chang

    Published 2021-08-01
    “…An analysis of Fourier-transform infrared spectroscopy (FTIR) scanning data, thermal gravimetric analysis (TGA) data, and scanning electron microscopice (SEM) observations, confirmed the physiochemical characteristics of sulfonated DVB adsorbent resins. …”
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  5. 325

    DEARYLATION IN THE INTERACTIONS BETWEEN (Et3NH)HC2O4 OR (Et3NH)2C2O4 AND SnPh3Cl: INFRARED STUDY by GORGUI AWA SECK, LIBASSE DIOP, ABOUBACARY SENE

    Published 2017-06-01
    “… Five new oxalato, hydrogenoxalato and hydrogenocarbonato adducts (three) and complexes (two) obtained on allowing (Et3NH)HC2O4 or (Et3NH)2C2O4 to react with SnPh3Cl have been studied by infrared spectroscopy, then discrete structures suggested on the basis of spectroscopic data. …”
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  6. 326

    Sorptive Response Profile of Chitosan Coated Silica in the Defluoridation of Aqueous Solution by Y. Vijaya, A. Krishnaiah

    Published 2009-01-01
    “…Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM), Thermo gravimetric analysis (TGA), X-ray diffraction (XRD) were used for the characterization of the sorbent. …”
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  7. 327

    Fabrication of p-NiO/n-TiO2 Solar Device for Photovoltaic Application by R. T. Mouchou, K. O. Ukoba, O. T. Laseinde, T. C. Jen

    Published 2021-01-01
    “…The characterisation was carried out using Fourier transform infrared spectroscopy (FTIR), Transmission Electron Microscopy (TEM), scanning electron microscopy (SEM), EDX, X-ray Diffraction (XRD), and a four-point probe. …”
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  8. 328

    Development of a Production Process for Biomass-Based Activated Carbon via Hydrothermal Carbonization Method by Nida Katı, Ferhat Uçar

    Published 2024-10-01
    “…Various characterization methods such as Brunauer-Emmett-Teller (BET) surface area analysis, Scanning Electron Microscopy (SEM) and Energy Dispersive Spectroscopy (EDS), X-Ray Diffraction (XRD) analysis, and Fourier-Transform Infrared spectroscopy (FTIR) measurements were employed to determine the properties of the activated carbons. …”
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  9. 329

    The Influence of Chemically Treated Hemp Fibre on the Mechanical Behavior and Thermal Properties of Polylactic Acid Made with FDM by N. I. Haroon Rashid, R. Meenakshi Reddy, A. R Venkataramanan, Melvin V. D. Poures, A. Thanikasalam, Ashraf Elfasakhany, Agonafir Alemayehu

    Published 2022-01-01
    “…In this research, the effects of alkaline and silane treatment were demonstrated using mechanical testing and Fourier transform infrared spectroscopy (FTIR). DSC and TGA tests were used to assess the materials’ chemical compositions and thermal properties. …”
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  10. 330

    NEW TRANS-1,2- CYCLOHEXYLDIAMINO-NN,N’N’ (CH2CO2)(CH2CO2H)3 ANION CONTAINING ADDUCTS AND DERIVATIVES: SYNTHESIS AND INFRARED STUDY by GORGUI AWA SECK, ABOUBACRY SENE, LIBASSE DIOP

    Published 2017-12-01
    “… Five Cyclohexyldiamino-NN, N’N’(CH2CO2)(CH2CO2H)3 anion containing adducts and derivatives with tin, antimony and mercury halides have been synthesized and characterized by infrared spectroscopy. The suggested structures are discrete, the anion behaving as a monodentate or a monochelating ligand: the environments around the metallic centres are trigonal bipyramidal or octahedral.The carboxylic groups and the cation, when involved in extra OH---O, OH----Cl or NH---Cl or O hydrogen bonds may lead to supramolecular architectures. …”
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  11. 331

    Alginate Nanoparticles Containing Cuminum cyminum and Zataria multiflora Essential Oils with Promising Anticancer and Antibacterial Effects by Mahmoud Osanloo, Razieh Ranjbar, Elham Zarenezhad

    Published 2024-01-01
    “…The nanoparticles were comprehensively characterized using techniques such as gas chromatography-mass spectrometry (GC-MS), dynamic light scattering (DLS), zetasizer, attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), and ultraviolet-visible spectroscopy (UV-Vis). …”
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  12. 332

    Effects of Graphene Oxide Dispersion on Salt-Freezing Resistance of Concrete by Yihong Xu, Yingfang Fan

    Published 2020-01-01
    “…Graphene oxide (GO) was characterized by Fourier-transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). …”
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  13. 333

    Evidence-Based Cerebral Vasospasm Surveillance by Heather Kistka, Michael C. Dewan, J. Mocco

    Published 2013-01-01
    “…Invasive strategies including brain tissue oxygen monitoring, microdialysis, thermal diffusion, and jugular bulb oximetry are examined. Lastly, near-infrared spectroscopy, a recent addition to the field, is briefly reviewed. …”
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  14. 334

    Modification of Urushiol Derivatives by Liquid Crystal Epoxy Resin by Gongwen Tang, Zhishan Yan, Linrong Ma, Xin Huang

    Published 2015-01-01
    “…Fourier transform infrared spectroscopy and solid-state 13C nuclear magnetic resonance showed the reactions between TMBPDE and UFUR after the UFUR/TMBPDE composite resin was cured. …”
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  15. 335

    Comparative biosorption study of Hg (II) using raw and chemically activated almond shell by AA Taha, AHE Moustafa, HH Abdel-Rahman, MMA Abd El-Hameed

    Published 2018-02-01
    “…The biosorbent was characterized using scanning electron microscopy and Fourier transform infrared spectroscopy. To optimize the biosorption conditions pH, adsorbent dose, initial concentration, contact time, stirring speed, and temperature on Hg (II) removal were studied. …”
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  16. 336

    Bedside Assessment of Tissue Oxygen Saturation Monitoring in Critically Ill Adults: An Integrative Review of the Literature by Carol Diane Epstein, Karen Toby Haghenbeck

    Published 2014-01-01
    “…The noninvasive measurement of tissue oxygen saturation is based on near-infrared spectroscopy (NIRS), an optical method of illuminating chemical compounds which absorb, reflect, and scatter light directed at that compound. …”
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  17. 337

    Vanadium Pentoxide Nanoparticles Doped ZnO: Physicochemical, Optical, Dielectric, and Photocatalytic Properties by Imen Massoudi, Ridha Hamdi, Amani Rached, Zainah A. AlDhawi, Fatimah M. Alobaidan, Hawra M. Alhamdan, Ghadeer A. Almohammed Ali, Fatimah E. Almuslim, Amor Ben Ali

    Published 2023-01-01
    “…The prepared samples were characterized by X-ray diffraction, Fourier-transform infrared spectroscopy, scanning electron microscopy combined with energy-dispersive spectroscopy, and UV-visible spectroscopy. …”
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  18. 338

    SULFATE MINERALIZATION IN A TUNNEL OF THE PYATIGORSKY PROVAL CAVE, NORTH CAUCASUS by O.Ya. Chervyatsova, A.V. Kasatkin, N.V. Chukanov, F. Nestola

    Published 2021-03-01
    “…The sulfate minerals include humberstonite K3Na7Mg2(SO4 )6(NO3 )2 •6H2O, sideronatrite Na2 Fe(SO4)2(OH)•3H2O, metasideronatrite Na2 Fe(SO4)2(OH)•H2 O, natrojarosite NaFe3(SO4)2(OH)6 , tamarugite NaAl(SO4)2 •6H2O, and epsomite MgSO4 •7H2O, which were identified by electron probe microanalysis, powder X-ray diffraction and infrared spectroscopy. The presence sulfate sulfur can be related to both the oxidation of sulfide grains, which were found in some samples, and the oxidation of gaseous H2S air oxygen. …”
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  19. 339

    Impact of Additives on Heterogeneous Crystallization of Acetaminophen by Hsinyun Hsu, Lynne S. Taylor, Michael T. Harris

    Published 2018-01-01
    “…The additive/APAP was characterized by differential scanning calorimetry (DSC), and the interfacial molecular interaction was studied by Fourier transform infrared spectroscopy (FTIR). The results indicate that the additive-substrate interaction can change the interfacial growth behavior observed in the additive-APAP binary system. …”
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  20. 340

    Amperometric Biosensor Detecting Dopamine Based on Polypyrrole/Reduced Graphene Oxide/Nickel Oxide/Glassy Carbon Electrode by Shindy Ayu Netania Priyanto, Elly Septia Yulianti, Ahmad Zakiyuddin, Siti Fauziyah Rahman

    Published 2024-01-01
    “…Material characterization was evaluated by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR). The results obtained indicate that PPy/rGO/NiO/GCE has a detection limit of 0.195 mM and a sensitivity of 25.887 A mM−1 cm−2 for a linear range of 0.01–1 mM.…”
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