Showing 3,521 - 3,540 results of 4,095 for search '"spectroscopy"', query time: 0.06s Refine Results
  1. 3521

    Comparative analysis of bulk ceramics and thick film coatings for optimized energy storage technologies by Imran Hussain Khan, Muhammad Salman Habib, Adnan Maqbool, Muhammad Asif Rafiq, Amjad Ali, Khushnuda Nur, Aqil Inam, Nasimullah, Vojtech Blazek, Stanislav Misak

    Published 2024-12-01
    “…The dielectric constant of film sample revealed more thermal stable response compared to the bulk ceramics. Impedance spectroscopy explained the electrically active regions and hopping conduction mechanism which witnessed NTCR behavior. …”
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  2. 3522

    Brucine Entrapped Titanium Oxide Nanoparticle for Anticancer Treatment: An In Vitro Study by Rashed M. Almuqbil

    Published 2024-01-01
    “…The physiochemical, structural, and morphological aspects of Brucine-entrapped TiO2 NPs were evaluated by UV-visible spectrophotometer, Fourier transform-infrared spectroscopy (FT-IR), dynamic light scattering (DLS), scanning electron microscopy (SEM), and energy dispersive X-ray (EDAX). …”
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  3. 3523

    Recombinant production platform for Group A Streptococcus glycoconjugate vaccines by Sowmya Ajay Castro, Ian J. Passmore, Didier Ndeh, Helen Alexandra Shaw, Alessandro Ruda, Keira Burns, Sarah Thomson, Rupa Nagar, Kathirvel Alagesan, Mark Reglinski, Kieron Lucas, Sherif Abouelhadid, Ulrich Schwarz-Linek, Fatme Mawas, Göran Widmalm, Brendan W. Wren, Helge C. Dorfmueller

    Published 2025-01-01
    “…The structural integrity of the produced recombinant glycoconjugate vaccines was confirmed by Nuclear Magnetic Resonance (NMR) spectroscopy and mass spectrometry. Purified RhaPS glycoconjugates elicited carbohydrate-specific antibodies in mice and rabbits and bound to the surface of multiple Strep A strains of diverse M-types, confirming the recombinantly produced RhaPS glycoconjugates as valuable vaccine candidates.…”
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  4. 3524

    Metabolomics-Driven Biomarker Discovery for Breast Cancer Prognosis and Diagnosis by Rasanpreet Kaur, Saurabh Gupta, Sunanda Kulshrestha, Vishal Khandelwal, Swadha Pandey, Anil Kumar, Gaurav Sharma, Umesh Kumar, Deepak Parashar, Kaushik Das

    Published 2024-12-01
    “…The use of diverse analytical methods and instruments for metabolomics includes Magnetic Resonance Spectroscopy, LC/MS, UPLC/MS, etc., which, along with their high-throughput analysis, give insights into the metabolites and the molecular pathways involved. …”
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    Article
  5. 3525

    Coconut Shell Activated Carbon/CoFe2O4 Composite for the Removal of Rhodamine B from Aqueous Solution by Le Phuong Hoang, Huu Tap Van, Thi Thuy Hang Nguyen, Van Quang Nguyen, Phan Quang Thang

    Published 2020-01-01
    “…The properties of coconut shell activated carbon (CAC) and CAC/CoFe2O4 were investigated through the usage of electron microscopic methods (SEM: Scanning Electron Microscopy, EDS: Energy Dispersive X-ray), powder X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). A series of batch experiments were implemented to evaluate the influences of various experimental parameters (initial pH, RhB concentration, contact time, and dosage of CAC/CoFe2O4) on the adsorption process. …”
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  6. 3526

    Marine Antifouling for Underwater Archaeological Sites: TiO2 and Ag-Doped TiO2 by Silvestro A. Ruffolo, Andrea Macchia, Mauro F. La Russa, Lorenzo Mazza, Clara Urzì, Filomena De Leo, Marianna Barberio, Gino M. Crisci

    Published 2013-01-01
    “…For this purpose, they have been synthetized by sol-gel method, and then XRD, XPS, and reflectance spectroscopy measurements have been carried out to gain structural information. …”
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  7. 3527

    Norfloxacin and N-Donor Mixed-Ligand Copper(II) Complexes: Synthesis, Albumin Interaction, and Anti-Trypanosoma cruzi Activity by Darliane A. Martins, Ligiane R. Gouvea, Gabriel S. Vignoli Muniz, Sonia R. W. Louro, Denise da Gama Jaen Batista, Maria de Nazaré C. Soeiro, Letícia R. Teixeira

    Published 2016-01-01
    “…The interaction of the copper(II) complexes with bovine serum albumin (BSA) and human serum albumin (HSA) was investigated using fluorescence quenching of the tryptophan residues and copper(II) EPR spectroscopy. The results of fluorescence titration revealed that copper(II) complexes have a moderate ability to quench the intrinsic fluorescence of the albumins through a static quenching mechanism. …”
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  8. 3528

    Mid-infrared spectra of dried and roasted cocoa (Theobroma cacao L.): A dataset for machine learning-based classification of cocoa varieties and prediction of theobromine and caffe... by Gentil A. Collazos-Escobar, Andrés F. Bahamón-Monje, Nelson Gutiérrez-Guzmán

    Published 2025-02-01
    “…Infrared data were acquired using Attenuated Total Reflectance-Fourier Transform Infrared (ATR-FTIR) spectroscopy, while High-Performance Liquid Chromatography (HPLC) was employed to accurately quantify theobromine and caffeine in the dried cocoa beans. …”
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  9. 3529

    Effects of contralaterally controlled neuromuscular electrical stimulation on the connectivity pattern of poststroke patients with hemiplegia by ZHU Lan, SUI Youxin, WANG Qinglei, XU Sheng, SHEN Ying, GUO Chuan

    Published 2023-12-01
    “…ObjectiveThe main purpose of this study was to apply functional near-infrared spectroscopy (fNIRS) to analyze contralaterally controlled neuromuscular electrical stimulation (CCNMES) related changes in functional connectivity (FC) within a cortical network after stroke.MethodsA total of 48 stroke patients with upper limb hemiplegia who were treated in the Rehabilitation Medical Center of Changzhou De'an Hospital were included in the study from July 2021 to January 2022. …”
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  10. 3530

    Effect of Boundary Layer Evolution on Nitrogen Dioxide (NO2) and Formaldehyde (HCHO) Concentrations at a High-altitude Observatory in Western India by Mriganka Sekhar Biswas, G. Pandithurai, M. Y. Aslam, Rohit D. Patil, V. Anilkumar, Shrikant D. Dudhambe, Christophe Lerot, Isebelle De Smedt, Michel Van Roozendael, Anoop S. Mahajan

    Published 2020-11-01
    “…This study reports observations of NO2 and HCHO using the Multi AXis Differential Optical Absorption Spectroscopy (MAX-DOAS) technique at the High Altitude Cloud Physics Laboratory (HACPL), Mahabaleshwar in the rural Western Ghats region of India. …”
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  11. 3531

    Optimizing the production and efficacy of antimicrobial bioactive compounds from Streptomyces kanamyceticus in combating multi-drug-resistant pathogens by Zifang Shang, Vipasha Sharma, Liu Pai, Tarun Kumar, Sandip Patil, Sandip Patil

    Published 2025-01-01
    “…The extracted compounds underwent Fourier Transform Infrared Spectroscopy (FTIR) analysis for functional group identification. …”
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  12. 3532

    Development of a New Sequential Extraction Procedure of Nickel Species on Workplace Airborne Particulate Matter: Assessing the Occupational Exposure to Carcinogenic Metal Species by Catalani Simona, Fostinelli Jacopo, Gilberti Maria Enrica, Orlandi Francesca, Magarini Riccardo, Paganelli Matteo, Madeo Egidio, De Palma Giuseppe

    Published 2018-01-01
    “…The analytical method described in this paper allows the determination of soluble, sulfidic, metallic, and oxide Ni by a simple sequential extraction procedure and determination by Atomic Absorption Spectroscopy using small volumes of solutions and without long evaporation phases. …”
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  13. 3533

    Fabrication of heteroatom-doped graphene-porous organic polymer hybrid materials via femtosecond laser writing and their application in VOCs sensing by Rasha Diab, Ganjaboy Boltaev, Mahmoud M. Kaid, Ahmad Fawad, Hani M. El-Kaderi, Mohammad H. Al-Sayah, Ali S. Alnaser, Oussama M. El-Kadri

    Published 2025-01-01
    “…X-ray Photoemission Spectroscopy (XPS) confirmed the formation of a hierarchical porous hybrid material with high nitrogen (N) and oxygen (O) self-doping in the graphene. …”
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  14. 3534

    Photodegradation process for the removal of acid orange 10 using titanium dioxide and bismuth vanadate from aqueous solution by B. Rahimi, A. Ebrahimi, N. Mansouri, N. Hosseini

    Published 2019-01-01
    “…The characteristics of catalysts were determined by field emission scanning electron microscopes, X-ray diffraction and Fourier transform infrared spectroscopy. The optimum values of initial dye concentration, initial pH, irradiation time and catalyst dose were found 11.889 mg/L, 4.592, 12.87 min, and 0.178 g/100 mL for ultraviolet/titanium dioxide process, respectively, and 10.919 mg/L, 3.231, 320.26 min and 0.239 g/100 mL for visible/bismuth vanadate process, respectively. …”
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  15. 3535

    Removal of Sodium Dodecylbenzenesulphonate and Cetyltrimethylammonium Bromide Using a Carbon Composite Derived from Modified Zn–Al-Layered Double Hydroxide by Rodrigo Morais Menezes dos Santos, Rosembergue Gabriel Lima Gonçalves, Marina de Carvalho Eufrásio Pinto, Roberta Gomes Prado, Vera Regina Leopoldo Constantino, Liovando Marciano da Costa, Frederico Garcia Pinto, Jairo Tronto

    Published 2013-08-01
    “…The material was characterized by powder X-ray diffraction, Fourier transform infrared/attenuated total reflectance spectroscopy, thermogravimetric analysis–differential scanning calorimetry–mass spectrometry, measurement of BET specific surface area, zeta-potential analysis and scanning electron microscopy. …”
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  16. 3536

    Comparison of Aging Performances and Mechanisms: Super-Durable Fire-Resistant “Xuan Paper” Versus Chinese Traditional Xuan Paper by Li-Ying Dong, Ying-Jie Zhu, Jin Wu, Han-Ping Yu

    Published 2025-01-01
    “…The aging mechanism of the traditional Xuan paper was further investigated by studying the fiber length/width and their distributions, morphology, infrared spectroscopy, thermogravimetric analysis, H–nuclear magnetic resonance spectra, and C–nuclear magnetic resonance spectra of cellulose fibers before and after the accelerated aging. …”
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  17. 3537

    Heteronuclear Fe-Mn Cyclopentadienyl Complexes Supported on Boehmite. Thermochemistry and Thermodynamics of their Decomposition by A.I. Rustamova, R.M. Muradxanov, S.N. Osmanova, F.K. Pashayeva, A.N. Mammadov, D.B. Tagiyev, E.H. Ismailov

    Published 2024-10-01
    “… Boehmite samples with compounds of the composition (C5H5)2FeMnX2(μ-CO)n, where X=Cl, Br and n=1.2, precipitated at room temperature from tetrahydrofuran solutions and then heated in an air flow up to 873 K were obtained and characterized using X-ray diffractometry, infrared Fourier spectroscopy, electron magnetic resonance and temperature-programmed desorption methods. …”
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  18. 3538

    Influence of Y–Bi–Co oxide doping on electrical performance of ZnO varistors based on simulation analysis by Zhengzheng Fu, Zongxi Zhang, Songhai Fan, Tao Cui, Donghui Luo, Yue Yin, Pengfei Meng, Jingke Guo

    Published 2025-01-01
    “…Abstract ZnO varistors doped with Y2O3, Bi2O3, and Co2O3 were analyzed for electrical performance, microstructure, phase composition, and elemental distribution using electrical performance testing, scanning electron microscopy, X‐ray diffraction, and energy dispersive spectroscopy tests. The best results were obtained with 0.5 mol% Y2O3, 2 mol% Bi2O3, and 3 mol% Co2O3, yielding a 356 V/mm voltage gradient, 0.9 μA leakage current, and a nonlinear coefficient of 66.2. …”
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  19. 3539

    Investigating the Adsorption and Corrosion Protection Efficacy and Mechanism of <i>Marjoram</i> Extract on Mild Steel in HCl Medium by Malika Sabiha, Younes Kerroum, Maha El Hawary, Maria Boudalia, Abdelkbir Bellaouchou, Othmane Hammani, Hatem M. A. Amin

    Published 2025-01-01
    “…The protection performance of <i>OML</i> was assessed using various electrochemical techniques, including potentiodynamic polarization (PDP) and electrochemical impedance spectroscopy (EIS), as well as the weight loss method. …”
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  20. 3540

    Real-time non-destructive characterization of epoxy resin curing kinetics and mechanical response for enhanced manufacturing quality control by Gonzalo Seisdedos, Edgar Viamontes, Eduardo Salazar, Cristian Pantea, Eric S. Davis, Tommy Rockward, Benjamin Boesl

    Published 2025-02-01
    “…This work presents a method to non-destructively evaluate the curing kinetics and viscoelastic properties of epoxy resin in real time due to variations in stoichiometry combining ultrasonics and Fourier Transform Infrared Spectroscopy. Samples with a different amine-to-epoxy ratio were manufactured and tested. …”
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