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361
SERS-based technique for accessible and rapid diagnosis of multiple myeloma in blood serum analysis
Published 2025-08-01“…Surface-enhanced Raman spectroscopy (SERS) is a promising analytical method for studying the structure and composition of multi-component media in clinical practice. …”
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362
Comprehensive characterization of volatile compounds in Iranian black teas using chemometric analysis of GC-MS fingerprints
Published 2024-12-01“…Subsequently, employing a robust investigative strategy, we utilized for the first time the well-known multivariate curve resolution-alternating least square (MCR-ALS) method as a deconvolution technique to analyze the complex GC–MS peak clusters of tea samples. …”
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363
Magnetic Induction Spectroscopy-Based Non-Contact Assessment of Avocado Fruit Condition
Published 2025-07-01“…This study demonstrates that the ripeness of avocado fruits can be analyzed using frequency-dependent electrical conductivity and permittivity through a non-invasive Magnetic Induction Spectroscopy (MIS) method. Utilizing an MIS system for conductivity and permittivity measurements of a large sample set (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>N</mi><mo>=</mo><mn>60</mn></mrow></semantics></math></inline-formula>) of avocado fruits across multiple frequencies from 100 kHz to 3 MHz enables clear observation of their dispersion behavior and the evolution of their spectra over ripening time in a completely non-contact manner. …”
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364
Machine learning combined with infrared spectroscopy for detection of hypertension pregnancy: towards newborn and pregnant blood analysis
Published 2025-03-01“…This technology operates by meansuring the vibrational energy of molecular composition and structural changes occurring in the tissue. …”
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365
Advances in Surface-Enhanced Raman Spectroscopy for Urinary Metabolite Analysis: Exploiting Noble Metal Nanohybrids
Published 2024-11-01“…We analyze various fabrication methods that enable precise control over nanostructure morphology, composition, and surface chemistry. …”
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366
Comparing Grid Model Fitting Methodologies for Low-temperature Atmospheres: Markov Chain Monte Carlo versus Random Forest Retrieval
Published 2025-01-01“…Self-consistent atmosphere models are commonly used for spectral fitting, but computational limits restrict the production of finely sampled multidimensional parameter grids, necessitating interpolation methods to infer precise parameters and uncertainties. …”
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367
Influence of low-intensity artificial light on the fatty acid profile of the biotechnologically important culinary mushroom Pleurotus eryngii in vitro
Published 2025-03-01“…Conclusions The selected mycelial photoactivation modes using low-intensity laser and LED light of different spectral composition and coherence may have potential in the biotechnology of submerged cultivation of P. eryngii to obtain mycelial mass with an improved fatty acid profile, which can be considered as a useful source of lipids.…”
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368
Fluorescence Spectroscopy and a Convolutional Neural Network for High-Accuracy Japanese Green Tea Origin Identification
Published 2025-04-01“…These similarities are presumed to reflect the comparable growing conditions and processing methods characteristic of the two regions. This study shows the potential of this system in food origin identification, suggesting applications in preventing origin fraud and quality control. …”
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369
Color stability of clear aligners exposed to various beverages: an in vitro study
Published 2025-07-01“…The aim of the present study was to evaluate the color stability of clear aligners when exposed to several types of beverages. Methods A total of 704 (seven hundred four, 176 per brand) clear aligner samples from four brands (Beforedent®, Käse Aligner®, Invisalign® and ClearCorrect®) were immersed in three types of beverages (tea, coffee and cola) and a control solution (artificial saliva) for 6 and 12 hours. …”
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370
Frequency characteristic of the acoustic emission signal in concrete under compressive loading
Published 2014-05-01“…Acoustic Emission measurements are very useful in the investigation of changes taking place in a composite during compressive tests. Among the AE intensity measurements (i.e. counts rate, root mean square, etc.) also the frequency analysis of the AE signal seems to be the useful method. …”
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371
Sequencing Silicates in the Spitzer Infrared Spectrograph Debris Disk Catalog. I. Methodology for Unsupervised Clustering
Published 2025-01-01“…CLUES combines multiple unsupervised clustering methods with multiscale distance measures to discern new groupings and trends, offering insights into compositional diversity and geophysical processes within these disks. …”
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372
Linear Stability Analysis of the Cahn–Hilliard Equation in Spinodal Region
Published 2022-01-01“…We study a linear stability analysis for the Cahn–Hilliard (CH) equation at critical and off-critical compositions. The CH equation is solved by the linearly stabilized splitting scheme and the Fourier-spectral method. …”
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373
Evaluation of the Effect of Light Color on Albumins and Globulins Content During Bean Germination
Published 2025-05-01“…This study aimed to determine how light of different spectral composition influences protein content across different germination stages. …”
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374
Medium wavelength infrared HgCdTe discrete photodetectors
Published 2017-12-01“…FTIR transmission spectra were measured to evaluate samples quality and find the composition of x of Hg1–xCdxTe epitaxial layers grown by liquid phase epitaxy method. …”
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375
Enabling Robust Exoplanet Atmospheric Retrievals with Gaussian Processes
Published 2025-01-01“…Atmospheric retrievals are essential tools for interpreting exoplanet transmission and eclipse spectra, enabling quantitative constraints on the chemical composition, aerosol properties, and thermal structure of planetary atmospheres. …”
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376
Brake rigging dynamic simulation under braking on a track section with irregularities (the case of a passenger car)
Published 2020-03-01“…It was determined that the presence of track irregularities affects the spectral composition of the accelerations. In addition, under the superposition of the bogie-frame pitching and bouncing oscillations, when moving along an uneven track, the rigging block can move up and down the wheel-working surface within a range of up to 50 mm. …”
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377
Growth Stages Discrimination of Multi-Cultivar Navel Oranges Using the Fusion of Near-Infrared Hyperspectral Imaging and Machine Vision with Deep Learning
Published 2025-07-01“…Based on preprocessed spectra, optimally selected hyperspectral images, and registered RGB images, a dual-branch multi-modal feature fusion convolutional neural network (CNN) model is established. In this model, a spectral branch is designed to extract spectral features reflecting internal compositional variations, while the image branch is utilized to extract external color and texture features from the integration of hyperspectral and RGB images. …”
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378
Experimental study on the properties of millimeter-sized NaCl-KCl/MgO ceramic particles for high-temperature solar-thermal phase change applications
Published 2025-01-01“…To address these issues, this study proposes a novel method that combines extrusion-spheronization with mixed sintering to produce composite phase change particles with high fluidity, excellent leakage resistance, and high energy storage density. …”
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379
Profile of biologically active substances of <i>Aronia mitschurinii</i> leaves growing in the conditions of the Central Black Earth region
Published 2024-06-01“…Quantitative determination of the main groups of biologically active substances was carried out according to known methods using modern physicochemical methods of spectrophotometry and capillary electrophoresis.Results and discussion. …”
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380
Structural, magnetic, and optical characteristics of undoped and chromium, iron, cobalt, copper, and zinc doped nickel oxide nanopowders
Published 2025-01-01“…In this regard, the preparation of pristine NiO and Ni0.95 × 0.05O (X = Cr, Fe, Co, Cu, and Zn) powders was successfully achieved through the co-precipitation method. The X-ray powder diffraction was employed to examine the prepared powders’ phase formation and crystal structure characteristics. …”
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