Profile of biologically active substances of <i>Aronia mitschurinii</i> leaves growing in the conditions of the Central Black Earth region by O. V. Trineeva, O. V. Pugacheva

“…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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Automated protein turnover calculations from 15N partial metabolic labeling LC/MS shotgun proteomics data. by David Lyon, Maria Angeles Castillejo, Christiana Staudinger, Wolfram Weckwerth, Stefanie Wienkoop, Volker Egelhofer

“…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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Soil Organic Matter (SOM) Mapping in Subtropical Coastal Mountainous Areas Using Multi-Temporal Remote Sensing and the FOI-XGB Model by Hao Zhang, Xiaomei Li, Jinming Sha, Jiangning Ouyang, Zhipeng Fan

“…The framework employs two novel image-processing strategies: the Maximum Annual Bare-Soil Composite (MABSC) method to extract background spectral information and the Multi-temporal Feature Optimization Composite (MFOC) method to capture seasonal and environmental dynamics. …”
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Hyperspectral Target Detection Based on Macro&#x2013;Micro Spectrum Contrastive Learning by Jiacheng Tian, Dunbin Shen, Wenfeng Kong, Min Li, Hongyu Wang, Xiaorui Ma

“…Depending on single target example under the influence of spectral variation, deep learning-based hyperspectral target detection (HTD) methods are challenged by the problem of insufficient target knowledge. …”
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Liquid-phase oxidation of 2-chlorotoluene with ozone to 2-chlorobenzoic acid – an intermediate for diclofenac sodium production by A. S. Bushuiev, A. H. Halstian, V. V. Kotova

“…Ozone concentration at the reactor inlet and outlet was determined by the absorption spectrophotometric method in the range of 254–290 nm on a SF-46 spectrophotometer designed to measure the transmission coefficients of liquid and solid transparent substances in the spectral range from 190 nm to 1100 nm. …”
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Urolithiasis complicated by chronic obstructive pyelonephritis in patients with concomitant diseases of the cardiovascular system by R. V. Royuk, S. K. Yarovoy, R. A. Khomov

“…Of the 19 patients with purulent-destructive pyelonephritis on the background of nephrolithiasis, more than a third (7 people - 36.8 %) had concomitant CHD, and of the 7 patients with this terrible complication that developed on the background of concomitant CHD, more than half (4 people - 57.1 %) had CHF of varying severity. The chemical composition of the urine samples was determined using a NICOLET iS10 spectral analyzer (Thermo scientific, USA). …”
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Enhancing physicochemical, bioactive, and nutritional properties of sweet potatoes: Ultrasonic contact drying with slot jet nozzles compared to hot-air drying and freeze drying by Gulcin Yildiz, Yuan Gao, Junzhou Ding, Si Zhu, Guibing Chen, Hao Feng

“…Additionally, FTIR analysis revealed that peaks in specific spectral regions indicated superior preservation of bioactive compounds in SJR + US samples compared to other methods, which was also confirmed by principal component analysis (PCA) and heatmap visualization. …”
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Construction and application of near-infrared spectroscopy analysis model for peanut quality traits by Hairong CAI, Wenjing SONG, Jianben LIN, Jiawei LIU, Yuanyuan GUO, Bowen LI, Haiyang YANG, Jiayi LU, Hanfeng SHI, Jiankuan WANG, Fangming LI, Tao GUO

“…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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Synthesis, physical-chemical properties, antimicrobial and antifungal activity of some 2-(2-((5-(adamantane-1-yl)-4-R-1,2,4-triazole-3-yl)thio)acetyl)-N-R1–hydrazine-carbothioamide... by V. M. Odyntsova, A. M. Kamyshny, N. N. Polischuk

“…The melting temperature was determined by an open capillary method on the Opti Melt MPA 100. The elemental composition of the synthesized compounds was determined on the universal analyzer Elementar Vario L cube (CHNS) (standard – sulfanilamide). 1H NMR spectra were recorded on a spectrometer Varian Mercury VX-200 (1H, 200 MHz) in dimethylsulfoxide-d6solvent (tetramethylsilane - internal standard) and are decoded using ADVASP(tm)Analyzer program (Umatek International Inc.). …”
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¹H-NMR Spectroscopy and Chemometric Fingerprinting for the Authentication of Organic Extra Virgin Olive Oils by Silvana M. Azcarate, Maria P. Segura-Borrego, Rocío Ríos-Reina, Raquel M. Callejón

“…This method provides a comprehensive and reproducible metabolic fingerprint, enabling differentiation based on both agronomic practices and genetic factors. …”
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Spectroscopic, AC conductivity and dielectric properties of Nd2O3 doped lithium silicophosphate glass by Oumr Adnan Osra, Kholood Alkhamis, Fatmah Alkhatib, Mohammed T. Alotaibi, Marwah A. Alsharif, Adel M. Binyaseen, Nashwa M. El-Metwaly, Fawaz A. Saad

“…Abstract Basic lithium silicophosphate glasses of composition (P2O5 50%- SiO2 30%- Li2O 20%) and those doped with up to 6.0 wt % Nd2O3 are prepared, and we have been studying the FTIR spectral to illustrate the structural properties. …”
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A Complex Integrable Hierarchy and Its Hamiltonian Structure for Integrable Couplings of WKI Soliton Hierarchy by Fajun Yu, Shuo Feng, Yanyu Zhao

“…We generate complex integrable couplings from zero curvature equations associated with matrix spectral problems in this paper. A direct application to the WKI spectral problem leads to a novel soliton equation hierarchy of integrable coupling system; then we consider the Hamiltonian structure of the integrable coupling system. …”
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Assessment of the influence of the mineral complex of rutin on the degree of expression of anti-diabetic activity by V. I. Toporkova, E. V. Vishnyakov, K. O. Sidorov, I. I. Terninko, D. Yu. Ivkin

“…The optimal ratio of components 1 : 1 for the formation of a mineral complex was established by us earlier experimentally using the Job's method. The mass of zinc chloride, which must be added to the extraction, and the mass of the complex for the preparation of its aqueous solution were calculated on the basis of the quantitative content of biologically active substances in blueberry shoots and the molar ratio of the components involved in the formation of the complex compound determined by the spectral method. …”
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Improved mapping of highland bamboo forests using Sentinel-2 time series and machine learning in Google Earth Engine by Dagnew Yebeyen, Binyam Tesfaw Hailu, Worku Zewdie, Temesgen Abera, Gudeta W. Sileshi, Melaku Getachew, Sileshi Nemomissa

“…The result shows that the random forest classifier is a robust algorithm with an overall accuracy of 94% considering all the annual composite’s spectral, vegetation and textural variables. …”
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Ensemble models enhanced estimates of leaf chlorophyll from fractional order derivatives transformed spectra by Guangman Song, Yi Gan, Lingfeng Mao, Zhiwei Ge, Jiangshan Lai, Quan Wang

“…However, accurate estimation of leaf chlorophyll content through remote sensing remains challenging due to spectral baseline drift and the lack of generalized methods applicable over large spatial scales and diverse environmental conditions. …”
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Identification and quantitative determination of arbutin in the herb of Orthilia secunda by A. V. Lezina, I. I. Terninko, M. V. Krysko

“…Identification and quantification of arbutin by chromatographic methods in Orthilia secunda (L.) House, harvested in various phytocenotic zones.Materials and methods. …”
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Electron Beam-assisted Synthesists, Structure and Luminescent Properties Porous Ceramics of MgAl2O4 and MgAlGaO4 Doped with Europium by E.F. Polisadova, N.D. Tran

“…In the PL spectrum of samples, a weak spectral band appears with a maximum at 535 nm, characteristic of the emission of Eu3+ ions with the 5D1-7F1 transition. …”
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¹H Nuclear Magnetic Resonance-Based Targeted and Untargeted Metabolomics Profiling of Retail Samples of Cuachalalate (<i>Amphipterygium adstringens</i>) by Erick Alejandro Herrera-Jurado, Estefanía De Jesús Terán-Sánchez, José Iván Serrano-Contreras, L. Gerardo Zepeda-Vallejo

“…These findings suggest that the traditional infusion method may not effectively extract the above-mentioned key bioactive compounds. …”
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Solid Sr2Ti1-xMnxO4 (x = 0; 0,01; 0,025; 0,05; 0,1) solutions with K2NiF4 structure by T.I. Chupakhina, A.M. Uporova, O.I. Gyrdashova, L.Yu. Buldakova, Y.A. Deeva, I.V. Baklanova, M.Yu. Yanchenko

“…Increasing the concentration of manganese in the solid solution composition effectively narrows the forbidden band width of strontium titanate from 3.5 eV to 2.5 eV for Sr2Ti0,9Mn0,1O4. …”
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Effect of Substrate Temperature on the Microstructural, Morphological, and Optical Properties of Electrosprayed ZnO Thin Films by Georgi Marinov, Velichka Strijkova, Marina Vasileva, Violeta Madjarova, Nikola Malinowski, Tsvetanka Babeva

“…The analysis of surface chemical composition and oxidation state was performed with X-ray photoelectron spectroscopy (XPS). …”
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