Homo- and Heteroligand Nickel(II) Complexes with Benzoic and para-Methoxybenzoic Acid Hydrazides and L-Histidine by N.V. Troshanin, А.А. Razryvina, E.M. Gilyazetdinov, T.I. Bychkova, V.G. Shtyrlin

“…Dissociation constants of ligands, as well as composition, formation constants, and spectral parameters of homo- and heteroligand complexes have been determined. …”
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Analytical model of a dynamic system «pulse-width converter – DC motor with independent excitation» by Alexander S. Glazyrin, Evgeniy I. Popov, Vladimir A. Kopyrin, Sergey N. Kladiev

“…The proposed analytical model is recommended for investigation of dynamic modes of DC motors with independent excitation and allows one to analytically apply methods of automatic control theory to a dynamic system, as well as obtain complete information about the spectral composition of state variables.…”
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Detection of microplastics stress on rice seedling by visible/near-infrared hyperspectral imaging and synchrotron radiation Fourier transform infrared microspectroscopy by Chaojie Wei, Hongxin Xie, Hongxin Xie, Hongxin Xie, Wei Wang, Yu-Feng Li, Yu-Feng Li, Yu-Feng Li, Xiaorong Wang, Ziwei Song, Fajun Chen

“…Meanwhile, SR-FTIR spectroscopy was used to investigate compositional changes in both leaf lamina and veins, and two-dimensional correlation spectroscopy (2DCOS) was employed to reveal the sequential interactions among molecular components.DiscussionIn conclusion, the combination of spectral technology and deep learning to capture the physiological and biochemical reactions of leaves could provide a rapid and interpretable method for detecting rice seedlings under MPs stress. …”
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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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Chemometrics-Assisted Calibration of a Handheld LIBS Device for the Quantitative Determination of Major and Minor Elements in Artifacts from the Archaeological Park of Tindari (Ita... by Gabriele Lando, Francesco Caridi, Domenico Majolino, Giuseppe Paladini, Giuseppe Sabatino, Valentina Venuti, Paola Cardiano

“…In this study, a chemometrics-assisted calibration method was developed for the Z-903 SciAps handheld Laser-Induced Breakdown Spectroscopy (h-LIBS) device. …”
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Problems in measurement of integrated sensitivity of photodetectors by I. V. Doktorovich, V. N. Hodovaniouk, V. G. Yuryev, V. G. Zhytaryuk

“…The research work deals with the problems in measurement of integral sensitivity of photodetectors, which arise while using them in standard methods of visible and infrared radiation of the sources of radiation with different spectral composition of the flow. …”
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Qualitative and Quantitative Analysis of Volatile Molecular Biomarkers in Breath Using THz-IR Spectroscopy and Machine Learning by Akim Tretyakov, Denis Vrazhnov, Alexander Shkurinov, Viacheslav Zasedatel, Yury Kistenev

“…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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Integrating data from unmanned aerial vehicles and Sentinel-2 with PROSAIL-5D-driven machine learning for fuel moisture content estimation in agroecosystems by Jinlong Liu, Jia Jin, Jing Huang, Mengjuan Wu, Shaozheng Hao, Haoyi Jia, Tengda Qin, Yuqing Huang, Dan Chen, Nathsuda Pumijumnong

“…An additive wavelet transform (AWT) was employed to fuse unmanned aerial vehicle (UAV) multispectral imagery with Sentinel-2 data, generating enhanced spatial-spectral reflectance composites while retaining key shortwave infrared bands essential for moisture analysis. …”
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Synthesis, spectroscopic characterization and biological applications of some novel Schiff base transition metal (II) complexes derived from curcumin moiety by T.J. Saritha, P. Metilda

“…FT-IR, UV–Vis, NMR, Mass, TG-DTA and ESR spectral techniques were used to confirm the structures of the metal chelates and ligand. …”
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Influence of different light sources on the production process of tomato in intensive photoculture by T. E. Kuleshova, O. R. Udalova, I. T. Balashova, L. M. Anikina, P. Yu. Kononchuk, G. V. Mirskaya, G. G. Panova

“…Comparative test of the influence of a light environment with different spectral composition on the productivity and quality of tomatoes in conditions of intensive photo culture.Methods. …”
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Quality Control of Honey Using New Generation Infrared Spectrometers by Huseyin Ayvaz

“…Partial least squares regression (PLSR) approach was used to correlate the spectral features with compositional reference values, giving strong linear correlation coefficients and standard errors of prediction. …”
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Comprehensive characterization of volatile compounds in Iranian black teas using chemometric analysis of GC-MS fingerprints by Adineh Aminianfar, Mohammad Hossein Fatemi, Fatemeh Azimi

“…Black tea, a widely popular non-alcoholic beverage, is renowned for its unique aroma and has attracted significant attention due to its complex composition. However, the chemical profile of Iranian tea remains largely unexplored. …”
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Investigation of the Physical and Chemical Characteristics of the Zeolites of the Kholinsky Deposit by A. V. Bondarev, E. T. Zhilyakova, Natalya B. Demina, K. K. Razmakhnin

“…Based on the energy-dispersion spectral analysis, an increased content of the elements K, Na was revealed, which indicates the alkaline composition of the cation exchange complex. …”
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Magnetic Induction Spectroscopy-Based Non-Contact Assessment of Avocado Fruit Condition by Tianyang Lu, Adam D. Fletcher, Richard John Colgan, Michael D. O’Toole

“…For the entire sample batch, the conductivity spectrum exhibits a general upward shift and spectral flattening over ripening time. To further quantify these features, normalized gradient analysis and equivalent circuit modeling were employed, and statistical analysis confirmed the correlations between electrical parameters and ripening stages. …”
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SERS-based technique for accessible and rapid diagnosis of multiple myeloma in blood serum analysis by Lyudmila A. Bratchenko, Yulia A. Khristoforova, Irina A. Pimenova, Elena N. Tupikova, Maria A. Skuratova, Georgy A. Dvoynikov-Sechnoy, Shuang Wang, Petr A. Lebedev, Ivan A. Bratchenko

“…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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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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Synthesis and structure of new 4-amino-5-(2-R1-phenyl)-1,2,4-triazole-3-thiol alkilderivatives by Ye. S. Pruglo

“…The purpose of these studies is the synthesis, establishment of physical-chemical parameters of new 4-amino-5-(2-R1-phenyl)-1,2,4-triazole-3-thiol alkylderivatives. Materials and methods. The studying of physical and chemical properties of compounds was made in accordance with the methods described in the State Pharmacopoeia of Ukraine 2.0. …”
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Frequency characteristic of the acoustic emission signal in concrete under compressive loading by K. POGAN

“…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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Deep neural network modeling for brain tumor classification using magnetic resonance spectroscopic imaging. by Erin B Bjørkeli, Knut Johannessen, Jonn Terje Geitung, Anna Karlberg, Live Eikenes, Morteza Esmaeili

“…MRSI presents a promising alternative by providing detailed insights into tissue chemical composition and metabolic changes. Our proposed model, which utilizes deep neural networks, is specifically designed for the analysis and classification of spectral time series data. …”
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Solid-state NMR at natural isotopic abundance for bioenergy applications by Bennett Addison, Malitha C. Dickwella Widange, Yunqiao Pu, Arthur J. Ragauskas, Anne E. Harman-Ware

“…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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