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281
Advancing non-destructive sex determination on human dental enamel using Raman spectroscopy
Published 2025-05-01“…This study investigates whether Raman spectroscopy of intact human dental enamel can be used as a non-destructive method for sex estimation. Orthogonal partial least squares discriminant analysis (OPLS-DA) and logistic regression identified sex-specific spectral characteristics in 88 human teeth from 47 modern individuals (26 females, 21 males). …”
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282
Qualitative and Quantitative Analysis of Volatile Molecular Biomarkers in Breath Using THz-IR Spectroscopy and Machine Learning
Published 2024-12-01“…Machine learning methods enable the establishment of latent dependencies in spectral data and the conducting of their qualitative and quantitative analysis. …”
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283
Animal Species Identification in Historical Parchments by Continuous Wavelet Transform–Convolutional Neural Network Classifier Applied to Ultraviolet–Visible–Near-Infrared Spectros...
Published 2024-01-01“…Usually, species identification is performed with slightly invasive methods. In this study, we propose a contactless methodology based on reflectance spectrophotometry (ultraviolet–visible–near-infrared) and a machine learning approach for data analysis. …”
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284
Automated protein turnover calculations from 15N partial metabolic labeling LC/MS shotgun proteomics data.
Published 2014-01-01“…Protein turnover is a well-controlled process in which polypeptides are constantly being degraded and subsequently replaced with newly synthesized copies. Extraction of composite spectral envelopes from complex LC/MS shotgun proteomics data can be a challenging task, due to the inherent complexity of biological samples. …”
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285
Towards an intelligent integrated methodology for accurate determination of volume percentages in three-phase flow systems
Published 2025-03-01“…The amalgamation of these features provides a rich representation of the fluid composition that captures both temporal and spectral characteristics. …”
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286
Modification of Glass Waste and Use for Fractionation of Crude Oil
Published 2024-12-01“…The modified glass waste was used to fractionate the crude oil into distinct components using the SARA (Saturate, Aromatic, Resin, and Asphaltene) analysis method. The chemical composition accuracy of the separation process was validated through spectral analysis, which highlighted the effectiveness of the modified glass waste as a stationary phase. …”
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287
Photodegradation of Diquat in water under UV irradiation: Identification of transformation products and elucidation of photodegradation pathway
Published 2025-02-01“…In aquatic settings, photodegradation is a significant non-biodegradation method of pesticide degradation. In this investigation, the photodegradation of the herbicide Diquat in aqueous solution was examined under distinct conditions and concentrations. …”
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288
GEAR FAULT DIAGNOSIS BASED ON THE VMD AND MODULATION SPECTRUM INTENSITY DISTRIBUTION
Published 2019-01-01“…VMD has better band-pass filtering characteristic, which can non-recursively decomposition a real-valued multi-composition signal into a discrete number of quasi-orthogonal band-limited sub-signals with specific sparsity properties in the spectral. …”
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289
The Elemental Analysis of Deep Earth Cuttings Based on Laser-Induced Breakdown Spectroscopy
Published 2025-06-01“…To address the demand for rapid in-situ detection of mineral and carbon elements in cuttings during ultra-deep hydrocarbon exploration, this study proposes an efficient elemental composition detection method based on laser-induced breakdown spectroscopy (LIBS). …”
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290
Optimization of Mangiferin extraction from Mangifera Indica leaves Peruvian Criollo variation using ultrasound assisted surface response methodology
Published 2025-06-01“…Despite its potential, conventional extraction methods such as maceration and Soxhlet extraction are time-intensive and require large solvent volumes. …”
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291
Electric Tunable Structures Based on BaZr<sub>x</sub>Ti<sub>1–x </sub>O<sub>3</sub> and BaSn<sub>x</sub>Ti<sub>1–x</sub>O<sub>3</sub> Solid Solutions for Microwave Applications
Published 2022-04-01“…These ferroelectric materials are promising in terms of losses and nonlinearity, and the formation of planar structures based on these materials on a dielectric substrate allows for a significantly higher level of operating power of the microwave device.Materials and methods. The crystal structure and phase composition of the obtained films were studied by X-ray diffraction using a DRON-6 diffractometer on the emission spectral line CuKa1 (λ = 1.5406 Å). …”
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292
Construction and interpretation of tobacco leaf position discrimination model based on interpretable machine learning
Published 2025-07-01“…However, the acquisition of chemical components relies on traditional instrumental analytical methods. As a result, the acquisition of chemical composition data is time-consuming and labor-intensive, involving only a limited number of compounds. …”
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293
Synthesis, Characterization and Biological Activities of Cu(II), Co(II), Ni(II), Mn(II) and Fe(III) Complexes with Schiff Base Derived from 3-(4-Chlorophenoxymethyl)-4-amino-5-merc...
Published 2008-01-01“…The complexes were characterized by elemental analysis, conductivity measurements, magnetic susceptibility data, electronic, IR, ESR and 1H NMR spectral data. On the basis spectroscopic studies, the Schiff base is monobasic bidentate ligand having the composition ML2(2H2O) Where M = Cu(II), Co(II), Ni(II) ,Mn(II), ML2(H2O)Cl Where M = Fe(III). …”
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294
Potential use of saliva infrared spectra and machine learning for a minimally invasive screening test for congenital syphilis in infants
Published 2025-07-01“…This study aimed to explore the development of a method for the diagnosis of congenital syphilis using saliva FTIR spectra and machine learning algorithms in infants aged 0 to 12 months. …”
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295
Analytical models of movement of wires of air high-voltage power transmission lines
Published 2022-08-01“…IT IS STRESSED that a complete picture of the state of an overhead line can be established by determining the spectral composition of the wire vibrations using mounted automated multi-parameter sensors with accelerometers as sensors. …”
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296
Atom Probe Tomography (APT) and Its Application in Ore Deposits
Published 2023-10-01“…The development history, basic principle, selection method of area of interest and needle tip sample preparation of APT are briefly introduced in this paper. …”
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297
New Complex of Salinomycin with Hg(II)—Synthesis and Characterization
Published 2025-07-01“…Based on the results from the spectral analyses, the most probable structure of the complex was proposed.…”
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298
Solid-state NMR at natural isotopic abundance for bioenergy applications
Published 2025-04-01“…We then delve into more advanced ssNMR approaches, including key spectral editing techniques, probing polymer dynamics, and various 2D methods applicable at natural abundance. …”
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299
Application of satellite images and object-oriented processing in land use/land cover map extraction to model ecosystem services (case study: Lorestan province)
Published 2020-09-01“…Currently, remote sensing technology is one of the top techniques in land use/cover map extraction using both pixel-based and object-oriented methods. While the pixel-based method is based on the classification of numerical values of images, object-oriented image processing is more accurate in the classification process, due to the use of spectral information, texture, and content information, being widely used in all sectors including environmental sciences. …”
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300
Construction and application of near-infrared spectroscopy analysis model for peanut quality traits
Published 2025-07-01“…The single and composite preprocessing methods were compared to select the best model that performed optimally under this spectral preprocessing by comparing the determination coefficients (R2) and root mean square errors of calibration (RMSEC) of different models. …”
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