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2301
Attapulgite Modified with Silane Coupling Agent for Phosphorus Adsorption and Deep Bleaching of Refined Palm Oil
Published 2014-01-01“…The effects of different silane coupling agents on the structure, surface charges and pore structure of ATP were investigated by Fourier transform infrared spectroscopy, X-ray diffraction, thermogravimetric analysis, Zeta potential and nitrogen adsorption-desorption isotherm techniques, and the decolourization efficiency of the modified ATP was evaluated by UV-Vis absorbance and Lovibond colour. …”
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2302
Exploring a natural fiber extracted from henequen plant leaves: A sustainable innovation for reinforcement in composite materials
Published 2025-03-01“…TGA results indicated thermal stability up to 350 °C, while UV spectroscopy showed effective UV absorption, particularly in the 270–280 nm range. …”
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2303
The Effect of Tungsten Addition on Characteristics and Corrosion Performance of Plasma Electrolytic Oxidation Coating Created on Titanium
Published 2024-12-01“…The results of the electrochemical impedance spectroscopy test showed the strong barrier performance of tungsten-containing coatings and their stability with the passage of immersion time. …”
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2304
Characterization of the expanded austenite developed on AISI 316 LM steel by plasma nitriding
Published 2017-01-01“…Different experimental techniques such as: optical microscopy (OM), X- ray diffraction (XRD ) and glow discharge optical emission spectroscopy (GDOES) were used to characterize the expanded austenite layer formed at the surface of AISI 316 LM stainless steel. …”
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2305
Preparation of Two-Layer Anion-Exchange Poly(ethersulfone) Based Membrane: Effect of Surface Modification
Published 2016-01-01“…The membranes were tested from the point of view of water content, ion-exchange capacity, specific resistance, permselectivity, FT-IR spectroscopy, and SEM analysis. It was found that the two-layer anion-exchange membranes after the extraction using tetrahydrofuran or toluene exhibited smooth and porous surface layer, which resulted in improved ion-exchange capacity, electrical resistance, and permselectivity of the membranes.…”
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2306
Enhanced Adsorption Performance of Biochar Derived from Palm Empty Fruit Bunches for Wastewater Treatment
Published 2025-01-01“…These results were supported by data on functional groups and pore structure, observed using Fourier Transform Infrared (FTIR) spectroscopy and the Brunauer-Emmett-Teller (BET) method.…”
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2307
Fabrication of periodically poled lithium niobate waveguides for broadband nonlinear photonics
Published 2025-01-01“…Nonlinear optics is the precursor for many of the modern-day applications of photonics, including femtosecond pulse synthesis, precision spectroscopy, and metrology. In the last decade, nanophotonic waveguides have not only boosted the efficiencies of nonlinear effects but also unlocked new degrees of freedom in the design process and enabled the monolithic integration of multiple nonlinear devices. …”
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2308
Improvement of Interfacial Shear Strength of Mendong Fiber (Fimbristylis globulosa) Reinforced Epoxy Composite Using the AC Electric Fields
Published 2015-01-01“…Structure of the epoxy was studied by X-ray diffraction, Fourier transform infrared spectroscopy (FTIR), and Scanning Electron Microscope, respectively. …”
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2309
Dibohemamines I–O from Streptomyces sp. GZWMJZ-662, an endophytic actinomycete from the medicinal and edible plant Houttuynia cordata Thunb.
Published 2025-01-01“…Their structures were elucidated through detailed spectroscopic analysis, encompassing high-resolution electrospray ionization mass, nuclear magnetic resonance, infrared radiation, ultraviolet–visible, and electronic circular dichroism spectroscopy. Dibohemamine I (1) exhibited selective cytotoxic effects against the cancer cell lines 786-O and GBC-SD among the 18 cell lines evaluated, with the half-inhibitory concentration values of 3.24 ± 0.20 and 7.36 ± 0.41 μM, respectively. …”
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2310
Polyaniline Supported Ag-Doped ZnO Nanocomposite: Synthesis, Characterization, and Kinetics Study for Photocatalytic Degradation of Malachite Green
Published 2021-01-01“…XRD, UV-Vis, and FT-IR spectroscopy were employed to study the crystal size, bandgap energy, and bond structure of as-synthesized nanocomposites. …”
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2311
Characterization of Boride Coatings on AISI 8620 Steels without and with Hydrogen Permeation
Published 2022-01-01“…Specimens borided without and with hydrogen were characterized by scanning electron microscopy with energy dispersive spectroscopy and X-ray diffraction. The experimental techniques of the Vickers microhardness and three-point bending were used. …”
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2312
Early life stress shifts critical periods and causes precocious visual cortex development.
Published 2024-01-01“…ELS also drove lasting changes in visual cortex mRNA expression affecting genes linked to psychiatric disease risk, with hemispheric asymmetries favoring the right side. NMR spectroscopy and a metabolomics approach revealed that ELS was accompanied by activated energy metabolism and protein biosynthesis. …”
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2313
Tribological properties of silicon carbide ceramic surfaces modified by polishing, grinding and laser radiation
Published 2025-01-01“…Abstract In this work, we experimentally studied the influence of the texture of silicone carbide (SiC) ceramics formed by traditional (grinding and polishing) and promising (laser radiation) treatment methods on tribological properties (the friction coefficient and wear rate). Raman spectroscopy was used to study the phase composition. …”
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2314
Effect of Ar/CH4 Mixture Ratio on Properties of Ag/C:H Nanocomposite Prepared by DC Sputtering
Published 2013-01-01“…Effect of Ar/CH4 gas mixture ratios was investigated on optical and structural properties of Ag/C:H films by FTIR spectroscopy analysis, X-Ray diffractometry (XRD), scanning electron microscopy (SEM), and atomic force microscopy (AFM), respectively. …”
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2315
Effective and selective removal of aromatic amines from water by Cu-treated chitosan/alumina nanocomposite
Published 2017-03-01“…The study on the chemical structure of the modified adsorbent by Fourier transform infrared spectroscopy showed the formation of a complex between amine groups of the chitosan and Cu(II) on the adsorbent surface. …”
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2316
Long-lived Charge-Transfer States in 9-Aryl-Acridinium Ions; A Critical Reinvestigation
Published 2005-01-01“…The possible consequences of this observation are discussed and the tenability of the claims made is investigated via time resolved spectroscopy of a closely related system with spectroscopic characteristics allowing more solid identification of the actual photophysical events taking place. …”
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2317
Magnetic Phase Separation and Magnetic Moment Alignment in Ordered Alloys FE65Al35−xMx (Mx = Ga, B; x = 0; 5 at.%)
Published 2018-01-01“….%) alloys are investigated using X-ray diffraction, Mössbauer spectroscopy, and magnetic measurements. The behavior of the magnetic characteristics and Mössbauer spectra of the binary alloy Fe65Al35 and the ternary alloy with gallium addition Fe65Al30Ga5 is explained in terms of the phase separation into two magnetic phases: a ferromagnetic one and a spin density wave. …”
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2318
Peculiarities of natural honey classification in the course of forensic commodity examination
Published 2023-12-01“…The scientific article describes the peculiarities of classification of natural honey during forensic commodity examination, reveals the methodological aspects of forensic commodity examination of honey, identifies theoretical and practical problems of commodity research of honey, reveals the commodity characteristics of honey and its defects, instrumental methods of honey examination, in particular gas and liquid chromatography, spectroscopy, solid-phase microextraction, describes the main microbiological methods that can be used in the study of honey, offers a systematisation of information data on the peculiarities of forensic examination of honey with regard to its characteristic defects. …”
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2319
Perturbations of Dipole Decay Dynamics Induced by Plasmonic Nano-antennas – A Study within the Discrete Dipole Approximation
Published 2015-04-01“…Applications span from strong coupling studies to time-resolved fluorescence spectroscopy.…”
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2320
Low-cost seaweed biomass treatment with formaldehyde for cationic dyes removal from aqueous solutions
Published 2024-09-01“…The surface and morphology of modified biomass was characterized by the point of zero-charge (pH PZC ), Brunauer–Emmett–Teller (BET) surface area ( S BET ), scanning electron microscopy (SEM/EDS), and Fourier-transform infrared spectroscopy. The equilibrium data were best described by the Langmuir and Freudnlich isotherm model for MB and BCB, respectively. …”
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