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1821
Wide-Gap p-μc-Si1-xOx:H Films and Their Application to Amorphous Silicon Solar Cells
Published 2013-01-01“…The properties of p-μc-Si1-xOx:H films were characterized by conductivity, Raman scattering spectroscopy, and spectroscopic ellipsometry. …”
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1822
The Effect of PVP Molecular Weight on Dissolution Behavior and Physicochemical Characterization of Glycyrrhetinic Acid Solid Dispersions
Published 2020-01-01“…The DSC and XRD patterns showed that the crystallization of GA in SDs prepared by PVP K30 and PVP K60 was significantly inhibited, and both were transformed to amorphous. Based on FTIR and Raman detection, a hydrogen-bond between PVP and drug molecules is formed. …”
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1823
On the Stability of Graphene-Based Aqueous Dispersions and Their Performance in Cement Mortar
Published 2025-01-01“…Their exfoliation was analyzed using Raman spectroscopy, and the stability of the dispersions was quantitatively investigated by means of the static multiple light scattering (SMLS) technique. …”
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1824
Passing plastic: traces of plastic in the fecal samples of a high Arctic seabird in Tunu (East Greenland)
Published 2025-01-01“…We identified 25 potential microplastic particles (>100 µm in size), 19 of which were analyzed for material composition using Fourier Transform Infrared Spectroscopy and Raman micro-spectroscopy. Of these, 13 particles were successfully matched to materials, with five as plastic. …”
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1825
Intramyocardial Dissection following Postinfarction Ventricular Wall Rupture Contained by Surrounding Postoperative Adhesions
Published 2015-01-01“…She was diagnosed with an acute inferoposterior myocardial infarction and underwent emergency coronary angiography revealing spontaneous recanalization of the right coronary artery. During the follow-up, she developed cardiogenic shock and a new occurring systolic ejection murmur. …”
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1826
MONOLIER (MONOPOLI 5R): INNOVATION OF MONOPOLY GAMES AS 5R LEARNING MEDIA FOR EARLY EDUCATION
Published 2018-11-01“…Background: The understanding of 5R (Ringkas, Rapi, Resik, Rawat, and Rajin) is still low among the people. …”
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1827
Distinguishing physical vs. chemical templating mechanisms for inducing graphitization in novolac matrix
Published 2025-04-01“…First, the optimum weight percent of the 2D materials was determined with the composite graphitic quality measured by X-ray diffraction and Raman spectroscopy. Results revealed that hBN did not induce graphitization of novolac and was attributed to the absence of a sp² framework in hBN, unable to provide the crucial π-π interactions with the aromatic rings of the matrix. …”
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1828
Enhancing water solubility of phytosterols through Co-amorphization with food-grade coformers
Published 2025-01-01“…Fourier-transform infrared, Raman, and 1H NMR spectroscopies, along with molecular dynamics simulations, revealed strong intermolecular interactions between PS and Nic. …”
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1829
Sharp needle reconstructs peripheral outflow for patients with malfunctional arteriovenous fistula
Published 2024-12-01“…The immediate patency rate for the internal fistulas was 100%, with 3-month, 6-month, and 12-month patency rates at 91.3%, 78.3%, and 43.5%, respectively.Conclusion Sharp needle technology merged with PTA presents an effective and secure minimally invasive method for reconstructing the outflow tract, offering a new solution for recanalizing high-pressure or occluded fistulas.…”
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1830
Peritoneal Equilibration Test in Costa Rica: Discrepancies from Other Populations
Published 2014-01-01“…Peritoneal permeability among Costa Rican CAPD patients is different from the original population described by Twardowski et al. and from other Latin-American population. …”
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1831
High Prevalence of Human Papillomavirus in Colorectal Cancer in Hispanics: A Case-Control Study
Published 2016-01-01“…Based on the high incidence of HPV-associated malignancies among Puerto Rican Hispanics, this study aimed to assess the prevalence of HPV infection and viral integration in colorectal tissues in order to evaluate its putative role in colorectal cancer (CRC). …”
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1832
Structural and Vibrational Investigation of Benzil-(1,2-Diphenylethane-1,2-Dione): Experimental and Theoretical Studies
Published 2022-01-01“…The structure is optimized, and the energy, structural parameters, vibrational frequencies, IR, and Raman intensities are determined. Complete natural bonding orbital (NBO) analysis is carried out to analyze the intramolecular electronic interactions and their stabilization energies. …”
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1833
Highly sensitive and real-simultaneous CH4/C2H2 dual-gas LITES sensor based on Lissajous pattern multi-pass cell
Published 2024-11-01“…Two kinds of fiber amplifier, erbium doped fiber amplifier (EDFA) and Raman fiber amplifier (RFA), were combined to amplify the output power of two diode lasers to improve the excitation strength. …”
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1834
Liquid–Solid Triboelectric Nanogenerator‐Based DNA Barcode Detection Biosensor for Species Identification
Published 2025-01-01“…However, the wide utilization of existing detection biosensors is limited by bulky and expensive instruments, such as Raman spectroscopy and electrochemical station. Herein, a liquid–solid triboelectric nanogenerator (TENG)‐based DNA barcode detection biosensor is proposed, which consists of water flow, fluid channel, and PDMS film attached by specifically designed capture probe. …”
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1835
Influence of Sample Preparation on SERS Signal
Published 2025-01-01“…Carbendazim (MBC), a commonly used fungicide from the benzimidazole group, was applied in this study as a probe molecule to understand the influence of sample preparation on the SERS (surface-enhanced Raman scattering) signal. We applied the external standard method (ESM), preparing fresh Ag colloid samples (reduced by hydroxylamine) for each concentration and measuring with and without potassium nitrate (KNO₃) as an aggregation-inducing salt. …”
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1836
Effect of TiO2/SiO2 ratio on structure and properties of BaO–CaO–SiO2–TiO2–CaF2–Li2O–Na2O slag system
Published 2025-01-01“…The effect of TiO2/SiO2 ratio from 0.28 to 0.54 on the structure and properties of the BaO–CaO–SiO2–TiO2–CaF2–Li2O–Na2O low reaction slag were studied for high-Ti steel continuous casting at 1573K by molecular dynamics simulation, Raman spectroscopy and rotational viscometer. The results showed that when TiO2/SiO2<0.44, TiVI in TiO2 mainly acts as a network modifier. …”
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1837
Renormalized Phonon Microstructures at High Temperatures from First-Principles Calculations: Methodologies and Applications in Studying Strong Anharmonic Vibrations of Solids
Published 2016-01-01“…These models have been successfully performed in the studies on the temperature-dependent broadenings of Raman and neutron scattering spectra, high temperature phase stability, and negative thermal expansion of rutile and cuprite structures, for example.…”
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1838
Optimization of microstructure for HRE-free Nd-Fe-B magnets with improved properties
Published 2025-03-01“…In this work, we successfully prepared heavy rare earth (HRE)-free Nd-Fe-B sintered magnets with improved coercivity (Hcj) and remanence (Br) by precisely controlling the grain size and optimizing the grain boundaries (GBs). …”
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1839
Associations Between Ambient PM<sub>2.5</sub> and Thyroid Hormones in Pregnant Persons in Puerto Rico
Published 2025-01-01“…Introduction: This study investigates associations between fine particulate air pollution (PM<sub>2.5</sub>) exposure and thyroid hormone levels during pregnancy in Puerto Rican individuals, a vulnerable population facing socioeconomic and environmental disparities. …”
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1840
Two-Step Facile Preparation of 2D MoS2/ZnO Nanocomposite p-n Junctions with Enhanced Photoelectric Performance
Published 2021-01-01“…The nanoscale morphologies, composites, and photoelectric properties of nanocomposites were examined using scanning electron microscopy, energy-dispersive X-ray spectroscopy, and micro-Raman scattering spectroscopy, respectively. 2D heteronanostructures have exhibited an enhanced performance as compared to single-material-based prototypes. …”
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