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1581
Enhancement of Antioxidant Activity, Stability, and Structure of Heme-Peptides by L-Lysine
Published 2025-01-01“…Meanwhile, the effects of Lys resulted in heme-peptides with a smaller particle size, higher zeta potentials, and a smoother micromorphology. Fourier-transform infrared spectroscopy and fluorescence spectroscopy analysis showed that Lys enhanced the conformational stability of the heme-peptides. …”
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1582
Research on Fire Detection of Cotton Picker Based on Improved Algorithm
Published 2025-01-01“…Therefore, in this study, we designed an improved algorithm for multi-sensor data fusion; built a cotton picker fire detection system by using infrared temperature sensors, CO sensors, and the upper computer; and proposed a BP neural network model based on improved mutation operator hybrid gray wolf optimizer and particle swarm optimization (MGWO-PSO) algorithm based on the BP neural network model. …”
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1583
Understanding the post-curing behaviors of polymethylacrylimide: Curing kinetics and molecular mobility
Published 2025-02-01“…Model-free kinetic methods were used to evaluate the post-curing kinetics of PMI materials. Fourier transform infrared spectroscopy demonstrated that the cyclization of anhydride groups predominantly occurred at lower post-curing temperatures, while the decomposition and transformation were observed at higher temperatures. …”
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1584
Face Recognition Method for Underground Engineering Based on Dual-Target Domain Adaptation and Discriminative Feature Learning
Published 2025-01-01“…The poor lighting and dust in underground engineering environments often induce serious noise and motion blur to face recognition cameras, decreasing the recognition accuracy even under Near-InfraRed (NIR) mode. Although various methods to improve algorithm robustness can enhance the overall model performance, the face recognition accuracy remains insufficient for the large number of blurred and NIR images generated during underground engineering. …”
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1585
Purification, characterization and hypoglycemic activity of glycoproteins obtained from pea (Pisum sativum L.)
Published 2021-05-01“…The physical and chemical properties of the three fractions were evaluated and compared by Fourier transform infrared spectroscopy (FT-IR), nuclear magnetic resonance (NMR), scanning electron microscope (SEM), high performance liquid chromatography (HPLC) and other analytical techniques. …”
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1586
A Comparative Spatiotemporal Analysis for Long-Term Trends of Hydrometeorological Variables in Maritsa River Basin
Published 2025-01-01“…For this, precipitation values for the 1982-2023 water years were taken from the Climate Hazards Group InfraRed Precipitation with Stations (CHIRPS) data set, and evapotranspiration values for the 1982-2023 water years were taken from the European Reanalysis 5th Generation-Land (ERA5-Land) data set. …”
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1587
FT-IR Analysis of Beta vulgaris Peels and Pomace Dye Extracts and Surface Analysis of Optimally Dyed-Mordanted Cellulosic Fabrics
Published 2022-01-01“…This work aimed at the characterization of natural dye extract from Beta vulgaris peels and pomaces and surface analysis of optimally dyed-mordanted cotton (cellulosic) fabric using Fourier Transform Infrared (FT-IR) spectroscopy, as well as colour fastness tests (light, washing, rubbing, and perspiration). …”
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1588
Biosynthesis of ZnO nanoparticles using banana peel pectin for antibacterial and photocatalytic applications
Published 2025-04-01“…The nanoparticles were characterized using X-ray diffraction (XRD), Scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy and UV–visible spectroscopy to evaluate their purity, size, morphology and crystallinity. …”
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1589
Ultra-broadband all-optical nonlinear activation function enabled by MoTe2/optical waveguide integrated devices
Published 2024-10-01“…The activator exhibits an ultra-broadband response from visible to near-infrared wavelength, a low activation threshold of 0.94 μW, a small device size (~50 µm2), an ultra-fast response rate (2.08 THz), and high-density integration. …”
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1590
Luminescence and a new approach for detecting heat treatment of geuda sapphire
Published 2025-01-01“…The presence of melt inclusions in dissolved silks serves as an indicator of sapphire heat treatment. Fourier-transform infrared (FTIR) spectroscopy alone is insufficient for distinguishing unheated from heated sapphire. …”
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1591
Separation, Purification, Structural Characterization and in Vitro Antioxidant Activity of Low Molecular Mass Fucoidans
Published 2025-01-01“…The chemical composition and structure characteristics of LMWFs were analyzed using molecular exclusion chromatography (MEC), high performance liquid chromatography (HPLC), infrared spectroscopy (IRS) and nuclear magnetic resonance spectroscopy (NMRS), and the structure-antioxidant activity relationship was explored. …”
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1592
One-Pot Template-Free Hydrothermal Synthesis of Monoclinic Hollow Microspheres and Their Enhanced Visible-Light Photocatalytic Activity
Published 2012-01-01“…X-ray diffraction, scanning electron microscopy, nitrogen adsorption-desorption isotherms, fourier transform infrared spectrometry, and UV-visible diffuse reflectance spectroscopy are used to characterize the products. …”
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1593
Modification in Physicochemical, Structural and Digestive Properties of Potato Starch During Heat-Moisture Treatment Combined with Microwave Pre- and Post-Treatment
Published 2022-07-01“…The light microscopy, scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR) and X-ray diffraction (XRD) were used to determine the structural properties of starch. …”
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1594
The impact of copper additive content on the synthesis of SiC from rice husks
Published 2025-01-01“…The SiC content, mineralogical composition, and microstructure of the products were analyzed using ISO 21068-2:2008, Fourier Transform Infrared Spectroscopy, x-ray Diffraction, Scanning Electron Microscopy, and Energy Dispersive x-ray Spectroscopy. …”
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1595
Optimizing chitosan derived from Metapenaeus affinis: a novel anti-biofilm agent against Pseudomonas aeruginosa
Published 2024-06-01“…The resulting chitosan exhibited a degree of deacetylation (DD%) exceeding 93.98%, as confirmed by Fourier-transform infrared (FTIR) spectral analysis, indicating its high purity. …”
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1596
A Review of Different Stimulation Methods for Functional Reconstruction and Comparison of Respiratory Function after Cervical Spinal Cord Injury
Published 2020-01-01“…The papers mentioned above are classified as four kinds of stimulation methods: muscle electric/magnetic stimulation, spinal dural electric stimulation, intraspinal microstimulation, and infrared light stimulation. This paper describes the stimulation principle and application experiment. …”
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1597
Enhancing the performance of bituminous hot mix pavements with graphene nanoplatelet additive using taguchi optimization
Published 2025-07-01“…A comprehensive set of tests, including penetration, softening point, flash point, elastic recovery, rotational thin film oven test (RTFOT), Fourier transform infrared spectroscopy (FTIR), and Marshall design experiments, were conducted on the mixtures to evaluate the influence of the selected parameters and levels on the properties of bitumen. …”
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1598
Valorization of Food Waste to Produce Eco-Friendly Means of Corrosion Protection and “Green” Synthesis of Nanoparticles
Published 2020-01-01“…AgNPs were characterized by UV-Vis spectroscopy, dynamic light scattering (DLS), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscope (SEM), and energy-dispersive X-ray spectroscopy (EDX) analysis. …”
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1599
Collective Optical, FTIR, and Photoluminescence Spectra of CeO2 and/or Sm2O3-Doped Na2O–ZnO–P2O5 Glasses
Published 2019-01-01“…Collective optical, photoluminescence, and FT-infrared spectral studies were carried out. CeO2-doped glasses show two extra UV absorption bands due to Ce4+ and Ce3+ ions while Sm2O3-doped samples reveal pronounced peaks collected into two segments from 367 to 472 nm and from 950 to 1623 nm which are characteristic of absorption from Sm3+ ions. …”
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1600
Influence of Light-Curing Time and Increment Thickness on the Properties of Bulk Fill Composite Resins With Distinct Application Systems
Published 2024-01-01“…The DC was measured using Fourier transformed infrared (FTIR) spectroscopy. The TP was assessed in additional specimens with 1 mm thick (n = 5). …”
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