Showing 3,201 - 3,220 results of 4,095 for search '"spectroscopy"', query time: 0.07s Refine Results
  1. 3201

    Biogenic Synthesis of Gold Nanoparticles from Physalis peruviana and Application in Wound Healing by Stephen Adongo Odongo, Fredrick Oluoch Okumu, Solomon Omwoma Lugasi, Martin Opiyo Onani, Stephen Gaya Agong

    Published 2022-01-01
    “…The synthesis was done at room temperature 25°C and at 85°C. The UV-visible spectroscopy results show efficient sharper plasmon bands with a blue shift indicating a decrease in λ max compared to red shift which show an increase in λ max. …”
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  2. 3202

    Nitrogen-Doped TiO2 Nanotube Arrays with Enhanced Photoelectrochemical Property by Shipu Li, Shiwei Lin, Jianjun Liao, Nengqian Pan, Danhong Li, Jianbao Li

    Published 2012-01-01
    “…Further analysis by X-ray photoelectron spectroscopy supported that electrochemical deposition is a simple and efficient method for N doping into TiO2 nanotube arrays.…”
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  3. 3203

    An Escin-loaded Glutaraldehyde-Albumin nanoparticle system for enhancing anticancer activity on lung cancer A549 cells by Murugan Alwarkurichi Munusamy, Muruganantham Bharathi, Abdurahman Hajinur Hirad, Abdullah A. Alarfaj, Samer Hasan Hussein-Al-Ali, Shobana Sampath, Ali Kudumba

    Published 2025-01-01
    “…The NPs were characterized using various methods, including UV–visible spectroscopy, photoluminescence, XRD, DLS, and TEM and SEM analyses. …”
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  4. 3204

    Altered Forebrain Functional Connectivity and Neurotransmission in a Kinase-Inactive Mouse Model of Autism by Shiyu Tang PhD, Elizabeth M. Powell PhD, Wenjun Zhu MS, Fu-Sun Lo MD, Reha S. Erzurumlu PhD, Su Xu PhD

    Published 2019-01-01
    “…We employed resting-state functional magnetic resonance imaging and in vivo high-resolution proton MR spectroscopy to examine neuronal connectivity and neurotransmission of wild-type, heterozygous Met–Emx1 , and fully inactive homozygous Met–Emx1 mice. …”
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  5. 3205

    Design of Highly Porous Materials Based on Chitosan/Pectin Interpolyelectrolyte Complex for Wound Healing Application by Aliaksandr Kraskouski, Maksim Mashkin, Viktoryia Kulikouskaya, Viktoryia Savich, Anastasiya Sidarenka, Sergei Pinchuk, Ruibin Li

    Published 2024-01-01
    “…The chitosan-/aldehyde-functionalized pectin (Chit/AF-Pect) polyelectrolyte complex sponges obtained are characterized using SEM, FTIR spectroscopy, and TGA. The swelling capacity study reveals a higher swelling ratio of IPEC sponges with an increase in both the molecular weight and content of chitosan: for Chit30/AF-Pect, the swelling ratio rises from 327% to 480%, while for Chit1200/AF-Pect, from 681% to 1,066%. …”
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  6. 3206

    In situ evaluation and manipulation of lithium plating morphology enabling safe and long‐life lithium‐ion batteries by Shuoyuan Mao, Yu Wang, Yao Lu, Xuebing Han, Yuejiu Zheng, Xuning Feng, Xinqi Ren, Languang Lu, Minggao Ouyang

    Published 2025-01-01
    “…To further evaluate the extent of the detrimental effect of MPL, we propose the specific surface area (SSA) as a critical metric, and develop an in situ method integrating expansion force and electrochemical impedance spectroscopy to estimate SSA. Finally, we introduce a pulse current protocol to manipulate hazardous MLP. …”
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  7. 3207

    Engineering properties and life cycle assessment of a rapidly clayey soil stabilizer utilizing alkali-activated GFRP waste powder and slag by Zhenying Xie, Dan Yu, Jun Wang

    Published 2025-07-01
    “…Scanning electron microscopy with energy dispersive spectroscopy (SEM-EDS) analysis revealed a microstructural evolution of the stabilized soil, transitioning from a porous to a denser, more homogeneous composition over the curing period, which can be attributed to the formation of cluster gels enveloping the soil particles. …”
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  8. 3208

    Chitosan nanoparticles loaded with Lactobacillus rhamnosus bioactive metabolites: Preparation, characterization, and antifungal activity by Aya Abdel-Nasser, Hayam M. Fathy, Ahmed N. Badr, Olfat S. Barakat, Amal S. Hathout

    Published 2025-01-01
    “…The chitosan nanoparticles loaded with L. rhamnosus bioactive metabolites were characterized using the transmission electron microscope (TEM), zeta potential, size distribution, polydiversity index (PDI), pH, encapsulation efficiency and Fourier transform infrared spectroscopy (FTIR). The TEM revealed that the chitosan nanoparticles loaded with bioactive metabolites were spherical and smooth on the surface, and by increasing the concentration of bioactive metabolites added to the chitosan nanoparticles, the diameter of the chitosan nanoparticle grew. …”
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  9. 3209

    Development of Homogeneous Carboxylation of Phenolates via Kolbe–Schmitt Reaction by Dmitry A. Merzliakov, Michael S. Alexeev, Maxim A. Topchiy, Dmitry G. Yakhvarov, Nikolai Yu. Kuznetsov, Anton L. Maximov, Irina P. Beletskaya

    Published 2025-01-01
    “…The use of <sup>13</sup>C NMR spectroscopy enabled the observation of a “carbonate complex” in the solution for the first time, with the carbonate carbon displaying a chemical shift value of 142 ppm, an unusual finding for stable carbonates, and located between the signals of free dissolved CO<sub>2</sub> and carboxylate derivatives.…”
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  10. 3210

    Selective leaching of Mo from an off-grade gravity lead concentrate in Na2CO3 solution by Liu Z.-X., Luo Y.-T., Luo W.-B., Li B.-X., Wu X.-W.

    Published 2019-01-01
    “…The oxidation mechanisms of those sulfides in the off-grade gravity lead concentrate were confirmed by the methods of X-ray diffraction (XRD) and scanning electron microscopy/energy dispersive X-ray spectroscopy (SEM/EDS). The influence of operating factors on the leaching behaviors of Mo and Pb, including Na2CO3 concentration, liquid-to-solid ratio, temperature, and leaching time, were studied. …”
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  11. 3211

    Green adsorbents for water remediation: Removal of Cr(vi) and Ni(ii) using Prosopis glandulosa sawdust and biochar by Salman Syed Muhammad, Razzaq Safina, Adnan Muhammad, Rozina, Sultana Sabiha, Kamal Asif, Al-Ghamdi Abdullah Ahmed, Al Farraj Dunia Abdel Aziz, Zaman Wajid

    Published 2025-01-01
    “…Both the adsorbents were characterized via SEM, FTIR spectroscopy, EDX, and TGA and were applied for the effective removal of Ni(ii) and Cr(vi) at optimum values of experimental conditions, and the mechanism was assessed via adsorption isotherm and kinetic models. …”
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  12. 3212

    Physicochemical and Thermal Characteristics of Onion Skin from Fifteen Indian Cultivars for Possible Food Applications by Narashans Alok Sagar, Anil Khar, Vikas, Ayon Tarafdar, Sunil Pareek

    Published 2021-01-01
    “…Fourier transform infrared spectroscopy analysis explored the various metabolites present in each cultivar. …”
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  13. 3213

    [Retracted] CuO-TiO2-Chitosan-Berbamine Nanocomposites Induce Apoptosis through the Mitochondrial Pathway with the Expression of P53, BAX, and BCL-2 in the Human K562 Cancer Cell L... by Abozer Y. Elderdery, Badr Alzahrani, Siddiqa M. A Hamza, Gomaa Mostafa-Hedeab, Pooi Ling Mok, Suresh Kumar Subbiah

    Published 2022-01-01
    “…We examined nanocomposites using XRD, DLS, FESEM, TEM, PL, EDAX, and FTIR spectroscopy, as well as MTT for cytotoxicity, and AO/EtBr for apoptotic morphology assessment. …”
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  14. 3214

    A Stability-Indicating HPLC-DAD Method for Determination of Stiripentol: Development, Validation, Kinetics, Structure Elucidation and Application to Commercial Dosage Form by Hany W. Darwish, Ali S. Abdelhameed, Mohamed I. Attia, Ahmed H. Bakheit, Nasr Y. Khalil, Abdulrahman A. Al-Majed

    Published 2014-01-01
    “…This degradation product was characterized by 1H-NMR and 13C-NMR spectroscopy as well as ion trap mass spectrometry. The results demonstrated that the method would have a great value when applied in quality control and stability studies for stiripentol.…”
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  15. 3215
  16. 3216

    Impact of plasma discharge pressure on implant surface properties and osteoblast activities in vacuum-assisted plasma treatment by Ara Jung, Hyungyu Lee, Heejin Kim, Hyun Jeong Jeon, Sanghoo Park, Bomi Gweon

    Published 2024-12-01
    “…Through optical emission spectroscopy, we demonstrated that the 5 Torr operational condition, achieved by 20-s pre-pumping, generated a greater density of excited nitrogen species and provided more stable plasma compared to the 16 Torr condition, achieved by 10-s pre-pumping. …”
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  17. 3217

    Synthesis of Silica-Coated Fe3O4 Nanoparticles by Microemulsion Method: Characterization and Evaluation of Antimicrobial Activity by Goshu Asab, Enyew Amare Zereffa, Teshome Abdo Seghne

    Published 2020-01-01
    “…The synthesized materials were characterized by X-ray diffraction, scanning electron microscopy, thermal analyzer, and infrared spectroscopy. X-ray diffraction pattern of Fe3O4 showed that particles were phase pure with a cubic inverse spinel structure and FT-infrared spectra confirmed the presence of Fe-O bond in tetrahedral and octahedral interstitial sites. …”
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  18. 3218

    Investigation of local corrosion behavior and mechanism for TA2/HAl77-2/316L SS coupling systems under seawater liquid film by Hong Ju, Hanzhi Li, Lu Fang, Haitong Lu, Yifan Wei

    Published 2025-02-01
    “…The behavior and mechanism of local corrosion for a TA2/HAl77-2/316L SS coupling system was investigated under a seawater liquid film using coupled multielectrode arrays (CMEAs) and Electrochemical Impedance Spectroscopy (EIS) technology. Local corrosion parameters, such as the maximum potential difference (ΔEmax), the maximum anode current density (Ia,max), the local corrosion intensity factor (LCII), and the cathode to anode area ratio (Sc/Sa) were obtained to quantitatively characterize the local corrosion degree of microarray electrodes. …”
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  19. 3219

    Synthesis, Characterization, Anticancer, and Antioxidant Studies of Ru(III) Complexes of Monobasic Tridentate Schiff Bases by Ikechukwu P. Ejidike, Peter A. Ajibade

    Published 2016-01-01
    “…Mononuclear Ru(III) complexes of the type [Ru(LL)Cl2(H2O)] (LL = monobasic tridentate Schiff base anion: (1Z)-N′-(2-{(E)-[1-(2,4-dihydroxyphenyl)ethylidene]amino}ethyl)-N-phenylethanimidamide [DAE], 4-[(1E)-N-{2-[(Z)-(4-hydroxy-3-methoxybenzylidene)amino]ethyl}ethanimidoyl]benzene-1,3-diol [HME], 4-[(1E)-N-{2-[(Z)-(3,4-dimethoxybenzylidene)amino]ethyl}ethanimidoyl]benzene-1,3-diol [MBE], and N-(2-{(E)-[1-(2,4-dihydroxyphenyl)ethylidene]amino}ethyl)benzenecarboximidoyl chloride [DEE]) were synthesized and characterized using the microanalytical, conductivity measurements, electronic spectra, and FTIR spectroscopy. IR spectral studies confirmed that the ligands act as tridentate chelate coordinating the metal ion through the azomethine nitrogen and phenolic oxygen atom. …”
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  20. 3220

    Fabrication of antibacterial bio‐composite from polyvinyl alcohol incorporated with Azadirachta indica by Md. Tanvir Hossain, Md. Abdus Shahid

    Published 2025-01-01
    “…Fourier transforms infrared spectroscopy (FTIR) was employed to investigate the bonding behavior, and a Universal Strength Tester was used to determine the mechanical properties. …”
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