Showing 2,201 - 2,220 results of 4,095 for search '"spectroscopy"', query time: 0.05s Refine Results
  1. 2201

    Nanosized Zincated Hydroxyapatite as a Promising Heterogeneous Photo-Fenton-Like Catalyst for Methylene Blue Degradation by Van Dat Doan, Van Thuan Le, Thi Thanh Nhi Le, Hoai Thuong Nguyen

    Published 2019-01-01
    “…The prepared catalyst was characterized by various techniques such as X-ray diffraction, scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray, and Fourier transform infrared spectroscopy. The catalytic activity of Zn-HA towards MB and the effects of various experimental factors such as pH, zinc substitution degrees, initial MB concentration, and H2O2 dosage were studied in detail. …”
    Get full text
    Article
  2. 2202

    Photodegradation of Eosin Y Using Silver-Doped Magnetic Nanoparticles by Eman Alzahrani

    Published 2015-01-01
    “…The fabricated magnetic nanoparticles coated with Ag were characterised using different instruments such as a scanning electron microscope (SEM), transmission electron microscopy (TEM), energy-dispersive X-ray (EDAX) spectroscopy, and X-ray diffraction (XRD) analysis. The average size of the magnetic nanoparticles had a mean diameter of about 48 nm, and the average particle size changed to 55 nm after doping. …”
    Get full text
    Article
  3. 2203

    Adsorption Thermodynamics, Modeling, and Kinetics Studies for the Removal of Lead Ions Using ZnO Nanorods by Sadia Ata, Anila Tabassum, Ifra Shaheed, Ijaz ul Mohsin, Norah Alwadai, Maryam Al Huwayz, Munawar Iqbal, Arif Nazir

    Published 2023-01-01
    “…Synthesized ZnO-NR was featured using advanced techniques including XRD, PL, SEM, and UV-visible spectroscopy. The role of these assynthesized ZnO-NR was evaluated for the sequestration of lead ions in batch mode. …”
    Get full text
    Article
  4. 2204

    Impact of Aqueous Extract Artemisia Herba-Alba Leaves as a Green Inhibitor against Acid Activation of 2024 Aluminum Alloy by Nacer Hechiche, Gérald Culioli, Abdelaziz Kadri, Dalila Boughrara, Amar Saal, F. Xavier Perrin

    Published 2024-01-01
    “…The corrosion inhibition performance of an aqueous extract of Artemisia herba-alba on the corrosion of 2024 aluminum alloy in a 1 M hydrochloric acid solution is investigated by weight loss method, electrochemical (linear polarization, potentiodynamic polarization, and electrochemical impedance spectroscopy) and SEM techniques. The extract shows excellent corrosion-inhibiting properties on aluminium alloy with a maximum inhibition efficiency of 93% at 0.6 g/L. …”
    Get full text
    Article
  5. 2205

    Oxytetracycline photodegradation by transition metals doped ZnO nanorods by Siavash Fathi, Bagher Aslibeiki, Reza Torkamani

    Published 2023-08-01
    “…The results show that photocatalytic activity of the samples highly depends on morphology, size and band gap energy. The UV–Vis spectroscopy indicate that Fe doping has reduced the band gap energy to 2.91 eV. …”
    Get full text
    Article
  6. 2206

    Development and In-Vitro Evaluation of pH Responsive Polymeric Nano Hydrogel Carrier System for Gastro-Protective Delivery of Naproxen Sodium by Rai Muhammad Sarfraz, Muhammad Rouf Akram, Muhammad Rizwan Ali, Asif Mahmood, Muhammad Usman Khan, Husnain Ahmad, Muhammad Naeem Qaisar

    Published 2019-01-01
    “…Formulation was characterized for swelling behaviour, entrapment efficiency, Fourier transform infrared (FTIR) spectroscopy, Differential scanning calorimetry (DSC), and Thermal Gravimetric Analysis (TGA), Powder X-ray diffraction (PXRD), Zeta size distribution, and Zeta potential measurements, and in-vitro drug release. pH dependent swelling was observed with maximum drug release at higher pH. …”
    Get full text
    Article
  7. 2207

    Characterization and Utilization of Tannin Extract for the Selective Adsorption of Ni (II) Ions from Water by Priya Meethale Kunnambath, Santhi Thirumalaisamy

    Published 2015-01-01
    “…Adsorption of Ni (II) onto TGAN is confirmed qualitatively by the use of atomic absorption spectroscopy. The BOD and COD values are considerably reduced after adsorption.…”
    Get full text
    Article
  8. 2208

    TiO2/ZnS/CdS Nanocomposite for Hydrogen Evolution and Orange II Dye Degradation by Václav Štengl, Daniela Králová

    Published 2011-01-01
    “…The method of UV-VIS diffuse reflectance spectroscopy was employed to estimate band-gap energies of prepared TiO2/ZnS/CdS nano-composites. …”
    Get full text
    Article
  9. 2209

    Isolation, Characterization and Activity of the Flowers of Rhododendron arboreum (Ericaceae) by Pankaj Kumar Sonar, Ranjit Singh, Shagufta Khan, Shailendra K. Saraf

    Published 2012-01-01
    “…., TLC, paper chromatography (with authentic marker) and spectroscopic methods like UV-Visible, FT-IR, 1HNMR, 13CNMR and Mass spectroscopy. The anti-microbial activity of the alcoholic and aqueous extract and isolated quercetin were investigated against five bacterial and two fungal strains by agar well-diffusion method. …”
    Get full text
    Article
  10. 2210

    Calcium reduction of stingray (Himantura gerrardi) bones with EDTA disodium salt assisted ultrasound by Priyosetyoko Priyosetyoko, Meiny Suzery, Widayat Widayat

    Published 2025-01-01
    “…The results of the analysis using the Fourier transform infrared spectroscopy (FTIR) instrument have detected amide A, amide B, amide I, amide II, and amide III at 3275, 2920, 1634, 1541, and 1240 cm-1, respectively. …”
    Get full text
    Article
  11. 2211

    The influence of an accompanying substance on the adsorption of herbicides on activated carbon in a multi-component system by Magdalena Blachnio, Malgorzata Zienkiewicz-Strzalka, Anna Derylo-Marczewska

    Published 2025-01-01
    “…Activated carbon materials were fully characterized by nitrogen adsorption/desorption isotherms, potentiometric titration, X-ray photoelectron spectroscopy, and transmission electron microscopy. Adsorption processes from aqueous solutions were investigated using the static method. …”
    Get full text
    Article
  12. 2212

    Intra-Abdominal Testicular Seminoma in a Woman with Testicular Feminization Syndrome by Darshana D. Rasalkar, Bhawan K. Paunipagar, Alex Ng, Fernand M. Lai, Shalini Jain Bagaria

    Published 2011-01-01
    “…To our knowledge, this case is first to document USG and MR imaging in addition to MR spectroscopy features in intraabdominal testicular seminoma.…”
    Get full text
    Article
  13. 2213

    Green LED as an Effective Light Source for Curing Acrylate-Based Dental Resins in Combination with Irgacure 784 by Katalin Bukovinszky, Melinda Szalóki, István Csarnovics, Istvan Szabó, Sándor Kéki, Miklós Nagy, Csaba Hegedűs

    Published 2018-01-01
    “…The kinetics of the photopolymerization was followed by Raman spectroscopy and conversion values were determined. It was found that, despite its narrow-emission range centered at a wavelength of 531 nm, the green LED light source is suitable for the preparation of dental matrices with good mechanical properties and high conversion values.…”
    Get full text
    Article
  14. 2214

    Fabrication of γ-Fe2O3 Nanoparticles by Solid-State Thermolysis of a Metal-Organic Framework, MIL-100(Fe), for Heavy Metal Ions Removal by Shengtao Hei, Yan Jin, Fumin Zhang

    Published 2014-01-01
    “…The obtained γ-Fe2O3 was characterized by X-ray diffraction (XRD), N2 adsorption, X-ray photoelectron spectroscopy (XPS), and scanning electron microscopy (SEM) techniques, and then used as an adsorbent for heavy metal ions removal in water treatment. …”
    Get full text
    Article
  15. 2215

    Impact of Surface Chemistry on the Removal of Indigo Carmine Dye Using Apricot Stone Active Carbon by Hamdi M.H. Gad, Abd. El-Hakim, A.M. Daifullah

    Published 2007-06-01
    “…BET specific surface area measurements, FT-IR spectroscopy and measurements of the total pore volume, density, pH and moisture content). …”
    Get full text
    Article
  16. 2216

    Effect of Additives on Characterization and Photocatalytic Activity of Tio𝟐/ZnO Nanocomposite Prepared via Sol-Gel Process by Shahram Moradi, Parviz Aberoomand Azar, Sanaz Raeis Farshid, Saeed Abedini Khorrami, Mohammad Hadi Givianrad

    Published 2012-01-01
    “…The characteristics of the prepared TiO2/ZnO nanocomposites were identified by IR spectra, X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive X-ray spectroscopy (EDS) methods. The additives have a significant effect on the particle size distribution and photocatalytic activity of TiO2/ZnO nanocomposites. …”
    Get full text
    Article
  17. 2217

    Surface Properties of Silicas with Chemically Bonded Polyfluoroalkyl Groups by K.B. Gurevich, T.M. Roshchina, N.K. Shonia, L.M. Kustov, A.V. Ivanov

    Published 2001-05-01
    “…The prepared polyfluoroalkylsilicas were also investigated by IR spectroscopy over the spectral range 6000–2000 cm −1 when it was shown that the residual SiOH groups on the silica surface do not take part in the adsorption process as the attached organic groups effectively screen them. …”
    Get full text
    Article
  18. 2218

    Synthesis, Characterization, and Anticancer Activity of New Metal Complexes Derived from 2-Hydroxy-3-(hydroxyimino)-4-oxopentan-2-ylidene)benzohydrazide by Abdou Saad El-Tabl, Moshira Mohamed Abd El-Waheed, Mohammed Ahmed Wahba, Nahla Abd El-Halim Abou El-Fadl

    Published 2015-01-01
    “…Novel metal(II) complexes derived from 2-hydroxy-N′-((Z)-3-(hydroxyimino)-4-oxopentan-2-ylidene)benzohydrazide ligand (H2L) were synthesized and characterized by elemental and thermal analyses (DTA and TGA), IR, UV-VIS, 1H-NMR, ESR and mass spectroscopy, magnetic susceptibilities, and conductivities measurements. …”
    Get full text
    Article
  19. 2219

    Physical, Mechanical, and Thermal Analysis of Polylactic Acid/Fumed Silica/Clay (1.28E) Nanocomposites by Josephine Chang Hui Lai, Md. Rezaur Rahman, Sinin Hamdan

    Published 2015-01-01
    “…The resultant nanocomposites were characterized by Fourier Transform Infrared Spectroscopy (FT-IR), Scanning Electron Microscopy (SEM), tensile test, thermogravimetric analysis (TGA), and moisture absorption test. …”
    Get full text
    Article
  20. 2220

    Preparation and Characterization of Nickel Ferrite-SiO2/Ag Core/Shell Nanocomposites by I. G. Blanco-Esqueda, G. Ortega-Zarzosa, J. R. Martínez, A. L. Guerrero

    Published 2015-01-01
    “…Samples were characterized using X-ray diffraction, IR spectroscopy, SEM, and magnetometry. Results show that the silica covered the nickel ferrite nanoparticles and the silver nanoparticles remain stable in the surface of the composite.…”
    Get full text
    Article