Showing 2,921 - 2,940 results of 3,204 for search '"spectroscopy"', query time: 0.07s Refine Results
  1. 2921

    Facile Synthesis, Characterization, and Cytotoxic Activity of Europium-Doped Nanohydroxyapatite by Paulina-Guadalupe Miranda-Meléndez, Gabriel-Alejandro Martínez-Castañón, Nereyda Niño-Martínez, Nuria Patiño-Marín, Miguel-Ángel Casillas-Santana, Brenda-Erendida Castillo-Silva, Facundo Ruiz

    Published 2016-01-01
    “…The samples were analyzed by transmission electron microscopy, X-ray diffraction analysis, Fourier transform infrared spectroscopy, and photoluminescence. Also, impregnation and release of 5-fluorouracil were assessed in PBS. …”
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    Article
  2. 2922

    Effect of high MgO/Al2O3ratio (1.2 to 2.2) on sintering behavior and metallurgical properties by Ju J.-T., Tang C.-M., Pang Z.-G., Xing X. -D., Ji G.-H.

    Published 2021-01-01
    “…The main characterization methods of X-ray diffraction (XRD) and scanning electron microscopyenergy disperse spectroscopy (SEM-EDS) were employed. The results showed that the strength, yield, and reducibility of sinter initially increased and then decreased with increasing MgO/Al2O3 ratio from 1.2 to 2.2. …”
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    Article
  3. 2923

    Transmission Properties of Metallic Grating with Subwavelength Slits in THz Frequency Region by Dong Liang, Qirong Xing, Zhen Tian, Changlei Wang, Weili Zhang, Jianqiang Gu, Yanfeng Li, Lu Chai, Qingyue Wang, Aleksei Zheltikov

    Published 2007-01-01
    “…This paper presents a fully experimental and theoretical study on transmission properties of a deep metallic grating with subwavelength slits in THz frequency region by using THz time domain spectroscopy (THz-TDS). The grating exposed to p-polarized incident wave exhibits enhanced nonresonant transmission in the long-wavelength region where the incident wavelength is larger than the grating period. …”
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    Article
  4. 2924

    Investigating ITM2B‐associated ataxia in a Taiwanese cerebellar ataxia cohort by Shih‐Yu Fang, Cheng‐Tsung Hsiao, Kang‐Yang Jih, Yu‐Sheun Tsai, Kuan‐Lin Lai, Cheng‐Ta Chou, Yi‐Chu Liao, Yi‐Chung Lee

    Published 2025-01-01
    “…Magnetic resonance imaging and spectroscopy revealed progressive extension of white matter hyperintensity over periventricular and subcortical regions, subtle hippocampal atrophy, preserved cerebellar volumes, and decreased N‐acetylaspartate/creatine ratio over the vermis. …”
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    Article
  5. 2925
  6. 2926

    Consequences of Surface Composition and Aggregation Conditions of Ag Nanoparticles on Surface-Enhanced Raman Scattering (SERS) of Pesticides by Marcelo José dos Santos Oliveira, Gilia Cristine Marques Ruiz, Rafael Jesus Gonçalves Rubira, Santiago Sanchez-Cortes, Carlos José Leopoldo Constantino, Leonardo Negri Furini

    Published 2025-01-01
    “…In addition to SERS experiments, in order to assess the induced aggregation of the Ag nanoparticles, UV-Vis absorption spectroscopy, dynamic light scattering (DLS) and zeta potential were employed. …”
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    Article
  7. 2927

    Highly Strained AlGaAs‐GaAsP Nanomembranes‐Based High‐Performance Diode by Haris Naeem Abbasi, Moheb Sheikhi, Donghyeok Kim, Ranveer Singh, Jiarui Gong, Jie Zhou, Qiming Zhang, Shuoyang Qiu, Carolina Adamo, Patrick Marshall, Clincy Cheung, Vincent Gambin, Zhenqiang Ma

    Published 2025-02-01
    “…The crystalline quality of the NMs is characterized by X‐ray diffraction and Raman spectroscopy techniques before and after transfer, no noticeable degradation has been found in its crystalline quality. …”
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    Article
  8. 2928

    Synthesis, characterization, In silico, and In vitro studies of CuS–ZnO nanocomposite using mushroom extract by S. Anbazhagi, A. Murugesan, M. Paramanantham, K. Chinnaiah, Karthik Kannan, Nadezhda Palko, K. Gurushankar

    Published 2025-03-01
    “…Metal oxide, metal sulfide and the reducing ability of biomolecules in the mushroom extract were analysed using FTIR spectroscopy. The spherical morphology was identified in SEM and HR-TEM analyses. …”
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    Article
  9. 2929
  10. 2930

    Human health risk from groundwater consumption: A case study in the Apaaso-Tafo Community in the Bono East Region of Ghana by Emmanuel Okyere, Ethel Bentil, Nana Adwoa Kusi-Addai, Lawson Mensah

    Published 2025-02-01
    “…The concentrations of metals (Ca2+, Mg2+ and Fe) were determined using atomic absorption spectroscopy, bacteria (total and faecal coliform) using Multiple Tube Fermentation and Membrane Filter Techniques, and physicochemical qualities using electrometric, titrimetric, argentometric and spectrophotometric methods. …”
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    Article
  11. 2931

    Intrahepatic Lipid Content and Insulin Resistance Are More Strongly Associated with Impaired NEFA Suppression after Oral Glucose Loading Than with Fasting NEFA Levels in Healthy Ol... by Francis M. Finucane, Stephen J. Sharp, Mensud Hatunic, Alison Sleigh, Ema De Lucia Rolfe, Avan Aihie Sayer, Cyrus Cooper, Simon J. Griffin, David B. Savage, Nicholas J. Wareham

    Published 2013-01-01
    “…IHL was quantified with magnetic resonance spectroscopy. Insulin sensitivity was measured with the oral glucose insulin sensitivity (OGIS) model, the leptin: adiponectin ratio (LAR), and the homeostasis model assessment (HOMA). …”
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    Article
  12. 2932

    Comparative analysis of the chemical composition and size of starch granules in grain between diploid and tetraploid sweetcorn cultivars by E. B. Khatefov, V. I. Khoreva, Yu. A. Kerv, T. V. Shelenga, V. V. Sidorova, Y. N. Demurin, V. G. Goldstein

    Published 2021-07-01
    “…The differences in phenotypic traits between diploid (2n) and tetraploid (4n) maize plants were assessed. Infrared spectroscopy was used to study the difference in the biochemical composition of kernels in terms of protein, starch and oil content. …”
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    Article
  13. 2933

    Synthesis and Evaluation of PCL/Chitosan/CQD‐Fe Magnetic Nanocomposite for Wound Healing: Emphasis on Gene Expression by Elham Maghareh Abed, Fatemeh Yazdian, Abbas Akhavan Sepahi, Behnam Rasekh

    Published 2025-01-01
    “…The PCL/Cs/CQD‐Fe scaffold was synthesized via electrospinning and was evaluated of morphology, functional groups, and structure through Fourier transform infrared spectroscopy (FTIR), scanning electron microscope (SEM), and x‐ray diffraction (XRD). …”
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    Article
  14. 2934

    Effects of Sleep Deprivation on Brain Bioenergetics, Sleep, and Cognitive Performance in Cocaine-Dependent Individuals by George H. Trksak, Bethany K. Bracken, J. Eric Jensen, David T. Plante, David M. Penetar, Wendy L. Tartarini, Melissa A. Maywalt, Cynthia M. Dorsey, Perry F. Renshaw, Scott E. Lukas

    Published 2013-01-01
    “…Participants underwent [31]P magnetic resonance spectroscopy (MRS) brain imaging, polysomnography, Continuous Performance Task, and Digit Symbol Substitution Task. …”
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    Article
  15. 2935

    An exploration of RSM, ANN, and ANFIS models for methylene blue dye adsorption using Oryza sativa straw biomass: a comparative approach by Sheetal Kumari, Smriti Agarwal, Manish Kumar, Pinki Sharma, Ajay Kumar, Abeer Hashem, Nouf H. Alotaibi, Elsayed Fathi Abd-Allah, Manoj Chandra Garg

    Published 2025-01-01
    “…To evaluate the adsorbent’s potential, assessments were conducted using Fourier-transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). …”
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    Article
  16. 2936
  17. 2937

    Anticancer activity of mixed Graphene/Carbone nanotubes reinforced Sulfur-Containing polyketoamine nanocomposites by Khalid A. Khan, Gadeer R. Ashour, Mahmoud A. Hussein

    Published 2025-01-01
    “…The structure and properties of the synthesized materials were comprehensively analyzed through various techniques, including Fourier Transform Infrared Spectroscopy (FTIR), Thermogravimetric Analysis (TGA), X-ray Diffraction (XRD), Gel Permeation Chromatography (GPC), and solubility testing. …”
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    Article
  18. 2938

    Ecotoxicological insight of phytochemicals, toxicological informatics, and heavy metal concentration in Tridax procumbens L. in geothermal areas by N.B. Maulydia, R. Idroes, K. Khairan, T.E. Tallei, F. Mohd Fauzi

    Published 2024-01-01
    “…In addition, quantitative analysis was conducted using gas chromatography–mass spectroscopy to obtain the chromatograms and mass spectra of the metabolite compounds of the ethanolic extract of Tridax procumbens, which were used in computational toxicology analysis using a simplified molecular input system in a predictor server. …”
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    Article
  19. 2939

    Charge trapping in SiO2 substrate during electron beam deposition of CaF2 thin films of different thicknesses by Marina Romanova, Sergii Chertopalov, Yuri Dekhtyar, Ladislav Fekete, Ján Lančok, Michal Novotný, Petr Pokorný, Anatoli I. Popov, Hermanis Sorokins, Aleksandr Vilken

    Published 2025-02-01
    “…Photoelectron emission (PE) spectroscopy was employed to analyze electron trapping mechanisms induced by the deposition process. …”
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    Article
  20. 2940