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2581
Microbial methane production from calcium carbonate at moderately alkaline pH
Published 2025-02-01“…Cells were observed in association with the carbonate mineral matrix via coherent anti-Stokes Raman scattering and two-photon excitation fluorescence microscopy. …”
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2582
Solubilization of ibuprofen for freeze dried parenteral dosage forms
Published 2019-03-01“…Drug interactions with selected excipients in the final product/lyophilisate were studied by a combined use of XRPD, DSC, Raman and ss-NMR. Analyses of lyophilized samples showed solubility enhancement of ibuprofen and in situ formation of an ibuprofen salt with the alkaline excipients used.…”
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2583
VALOAREA DEZVOLTĂRII COMPETENȚEI DE COMUNICARE PRAGMATICĂ ÎN LIMBA ENGLEZĂ ÎN ÎNVĂȚĂMÂNTUL PROFESIONAL TEHNIC
Published 2025-01-01“… Limba engleză rămâne să fie indispensabilă în multe sectoare de afaceri și domenii de activitate, facilitând comunicarea, colaborarea și inovația la nivel global. …”
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2584
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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2585
Two-stage oxidation of petrogenic organic carbon in a rapidly exhuming small mountainous catchment
Published 2025-01-01“…Here, we demonstrate the transformation of petrogenic organic carbon from a mountainous catchment in eastern Taiwan and its connecting submarine canyon. Our Raman analyses indicate that while highly graphitized carbon in slate/schist transformed into disordered form during soil development, the preferential elimination of disordered form was found along submarine transit. …”
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2586
Multi-project wafer runs for electronic graphene devices in the European 2D-Experimental Pilot Line project
Published 2025-02-01“…Test devices were measured across the wafers to assess the device quality and variability before delivering the fabricated dies to the customers. Raman spectroscopy confirmed minimal structural changes in the graphene caused by the fabrication process, while electrical measurements of two different device types verified the device specifications defined in the process design kit.…”
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2587
Comparison of Gelation Time and Polyalcohol Effect on Hydrogels from Domestic and Wild Silk Fibroins
Published 2012-01-01“…After freeze-drying, the hydrogels were characterized through X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), and Raman spectroscopy. Results showed that the addition of polyalcohol did not change the main secondary structure of the hydrogels. …”
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2588
Structural Characterization of Silica Particles Extracted from Grass Stenotaphrum secundatum: Biotransformation via Annelids
Published 2014-01-01“…The characterization of the silica particles was performed using Infrared (FTIR) and Raman spectroscopy, Transmission Electron Microscopy (TEM), X-ray Diffraction (XRD), Dynamic Light Scattering (DLS), and Energy Dispersion Spectroscopy (EDS). …”
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2589
Structural Changes in Polyethylene Terephthalate (PET) Waste Materials Caused by Pyrolysis and CO Activation
Published 2006-06-01“…The derived changes in the textural and structural properties of the residual solids were studied by helium picnometry, N 2 and CO 2 adsorption isotherms, powder XRD, Raman spectroscopy and XPS. The study reveals that CO 2 activation of PET wastes develops a carbonaceous matrix with micropores. …”
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2590
Modified fracture properties of cement composites with nano/micro carbonized bagasse fibers
Published 2015-10-01“…Carbonized bagasse particles were produced at Politecnico di Torino and characterized by Raman spectroscopy and scanning electron microscopy. …”
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2591
The choice of surgical correction method depending on the etiology of decompensated chronic venous insufficiency
Published 2024-03-01“…The long-term outcomes in the patients of the group I were: 9 (19.1 %) patients had partial recanalization of the perforated veins of the group of great saphenous vein (GSV) on the lower leg, and one (2.1 %) had complete recanalization. …”
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2592
Detonation Nanodiamond Soot—A Structurally Tailorable Hybrid Graphite/Nanodiamond Carbon-Based Material
Published 2025-01-01“…The phase composition of the NDS nanoparticles was studied using X-ray diffraction, Raman spectroscopy, electron diffraction, transmission electron microscopy, atomic force microscopy, and scanning tunneling microscopy. …”
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2593
Some-where over the rainbow
Published 2022-11-01“… "Nowadays, a far graver mistake is made: race is confused with nation and a sovereignty analogous to that of really existing peoples is attributed to ethnographic or. rather linguistic groups. " Ernest Renan.18821 Although Jacques Derrida is not usually thought of in terms of the problematics of nations and nationalism, the term "endless deferral" cannot help but evoke his philosophical project, and it is to his picture of logo centrism that I initially tum in elaborating ,South Africa's "preeminent" status as a nation whose identity always seems to reside in some "elsewhere" space. …”
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2594
Hybrid Carbon Fibers/Carbon Nanotubes Structures for Next Generation Polymeric Composites
Published 2010-01-01“…Characterization for comparison between both techniques was compared via SEM, TEM, and Raman spectroscopy analysis. It is shown that while both techniques were successful to grow CNTs on the carbon fiber surfaces, iron sputtering technique was capable of producing more uniform distribution of iron catalyst and thus multiwall carbon nanotubes (MWCNTs) compared to MWCNTs grown using the electrochemical deposition of iron.…”
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2595
Boson Peak and Superstructural Groups in Na2O-B2O3 Glasses
Published 2018-01-01“…Low-frequency Raman spectra of the sodium borate glasses with Na2O content ranging from 0 to 30 mol% were measured and analyzed from the point of view of their structure in the intermediate range order. …”
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2596
Self-Assemblies of Single-Walled Carbon Nanotubes through Tunable Tethering of Pyrenes by Dextrin for Rapidly Chiral Sensing
Published 2011-01-01“…Py-Dex and Py-Dex-SWNTs were adequately characterized by NMR, UV-vis, fluorescence spectroscopy, Raman spectroscopy, matrix-assisted laser desorption/ionization-time of flight mass spectroscopy, and transmission electron microscopy. …”
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2597
Accurate Assessment of the Oxygen Reduction Electrocatalytic Activity of Mn/Polypyrrole Nanocomposites Based on Rotating Disk Electrode Measurements, Complemented with Multitechniq...
Published 2016-01-01“…The characterization of Mn/PPy films is addressed to the following: (i) morphology, as assessed by Field-Emission Scanning Electron Microscopy (FE-SEM) and Atomic Force Microscope (AFM); (ii) local electrical conductivity, as measured by Scanning Probe Microscopy (SPM); and (iii) molecular structure, accessed by Raman Spectroscopy; these data provide the background against which the electrocatalytic activity can be rationalised. …”
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2598
Spontaneous Thrombosis in Giant Aneurysm of the Anterior Communicating Artery Complex in Pediatric Age: Five-Year Follow-Up
Published 2014-01-01“…A conservative approach was assumed and noninvasive evolutive imagiological studies revealed a reduction in the thrombosed aneurysm size and no signs of recanalization. The child recovered to his baseline neurological condition and has had no rehemorrhage until 5 years of follow-up.…”
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2599
Structure and quantification of Ce3+/Ce4+ and stability analysis of basaltic glasses for the immobilization of simulated tetravalent amines
Published 2025-01-01“…The structure, thermal stability and leaching characteristics of basaltic glass with different contents of CeO2 were investigated. The XRD/SEM-EDX/Raman results showed that the simulated waste loading of CeO2 in basaltic glass reached ~ 18 wt%, and CeO2 crystals precipitated when the CeO2 content reached 20 wt%. …”
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2600
Preparation and Application of Titanate Nanotubes on Dye Degradation from Aqueous Media by UV Irradiation
Published 2015-01-01“…The particles’ scattering behavior was investigated by Raman studies, and the surface area of the nanotubes was determined by a Brunauer, Emmett, and Teller (BET) analysis. …”
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