1. Density Functional Theory Calculations of the Lowest Excited Triplet State of the Closest Analogs of Chlorophyll and Bacteriochlorophyll

   • V. A. Kuzmitsky
   • L. L. Gladkov
   • K. N. Solovyov

   OriginalPaper 16 July 2021 Pages: 469 - 473

2. Infrared Line Collisional Parameters of PH₃ in Hydrogen: Measurements with Second-Order Approximation of Perturbation Theory

   • J. Salem
   • R. Charguia
   • R. ben Younes

   OriginalPaper 16 July 2021 Pages: 474 - 482

3. Analysis of NMR Spectral Data of Structural Analogs of Ponasterone α and 9α,20-Dihydroxyecdysone with an Isoxazoline Ring in the Side Chain

   • A. V. Baranovsky
   • R. P. Litvinovskaya

   OriginalPaper 16 July 2021 Pages: 483 - 488

4. Optical and Electrochemical Properties of Indotricarbocyanine Dyes for Photodynamic Therapy

   • H. M. Maltanava
   • S. K. Poznyak
   • M. P. Samtsov

   OriginalPaper 16 July 2021 Pages: 489 - 495

5. Effect of the Frequency Tuning Rate of a Diode Laser on the Shape of an Absorption Line Profile During Measurement of Low Concentrations in an External Cavity With Off-Axis Radiation Input

   • V. V. Lagunov
   • I. V. Nikolaev
   • V. N. Ochkin

   OriginalPaper 16 July 2021 Pages: 496 - 500

6. Calculation of the Density of Electronic States in the Valence Band from Experimental Interband Absorption Spectra of Amorphous Semiconductors

   • R. G. Ikramov
   • M. A. Nuriddinova
   • K. A. Muminov

   OriginalPaper 16 July 2021 Pages: 501 - 505

7. Nonlinear Reflection of Light from a Planar Magnetoplasmonic Nanostructure

   • T. M. Chmereva
   • M. G. Kucherenko

   OriginalPaper 16 July 2021 Pages: 506 - 513

8. Features of Second Harmonic Generation of Intense Short Laser Pulses in Crystals with a Regular Domain Structure Under Conditions of Self-Action, Nonstationarity, and Synchronism of Group Velocities

   • Z. J. Ruziev
   • O. M. Fedotova
   • U. K. Sapaev

   OriginalPaper 16 July 2021 Pages: 514 - 518

9. Synthesis and Spectroscopic Study of Si, Ti, Mg, and Zn Oxides Modified by L-Proline

   • O. V. Koryakova
   • M. S. Valova
   • O. V. Fedorova

   OriginalPaper 20 July 2021 Pages: 519 - 527

10. Crystal Structure of 7-Amino-8-R-3-tert-Butyl-4-Oxo-1,4-Dihydropyrazolo[5,1-c][1,2,4]Triazines

    • L. M. Mironovich
    • S. M. Ivanov

    OriginalPaper 16 July 2021 Pages: 528 - 534

11. Defect Structure of LiF Single Crystals

    • Y. E. Bich
    • M. T. Kogan
    • A. S. Bil

    OriginalPaper 16 July 2021 Pages: 535 - 538

12. Photocatalytic Properties of Mn:CdS Colloidal Quantum Dots, Stabilized by Mercaptoacetic Acid

    • D. O. Sagdeev
    • R. R. Shamilov
    • Yu. G. Galyametdinov

    OriginalPaper 16 July 2021 Pages: 539 - 545

13. Relative Intensity Measurements of Libs Emission Spectra of Alkali Halides and their Application to Elemental Analysis of Mineralogical Samples

    • M. D. Duerst
    • R. W. Duerst

    OriginalPaper 16 July 2021 Pages: 546 - 551

14. Variation in the Collimator Beam Size of Energy-Dispersive X-Ray Fluorescence Spectroscopy for Improved Measurement of Gold Purity

    • A. A. M. Mazuki
    • M. M. Mahat
    • S. Abdullah

    OriginalPaper 16 July 2021 Pages: 552 - 556

15. Chlorophyllin Competitive Effect on DNA-Binding Ligands

    • A. A. Skuratovska
    • E. G. Bereznyak
    • A. S. Khrebtova

    OriginalPaper 20 July 2021 Pages: 557 - 564

16. Spectral Characteristics of Natural Cinnamic Acids Adsorbed on Aluminum Oxide Surface

    • N. T. Kartel
    • V. N. Barvinchenko
    • N. A. Lipkovska

    OriginalPaper 20 July 2021 Pages: 565 - 570

17. Computational Platform FluorSimStudio for Processing Kinetic Curves of Fluorescence Decay Using Simulation Modeling and Data Mining Algorithms

    • M. M. Yatskou
    • V. V. Apanasovich

    OriginalPaper 16 July 2021 Pages: 571 - 579

18. Evaluation of the Calibration-Free and Multivariate Method for Quantitative Analysis in Laser-Induced Breakdown Spectroscopy

    • R. Kumar
    • G. S. Maurya
    • A. K. Rai

    OriginalPaper 16 July 2021 Pages: 580 - 588

19. Purely Electronic Transition Frequency from Magnetically Induced Diffuse Vibronic Spectra

    • V. A. Tolkachev

    OriginalPaper 16 July 2021 Pages: 589 - 595

20. Patterns in Formation of the Visibility Zone of Active-Pulse Vision Systems at a Fixed Delay Distance Taking Into Account the Shape of the Illumination Pulse

    • B. F. Kuntsevich
    • D. V. Shabrov

    OriginalPaper 16 July 2021 Pages: 596 - 602

21. Laser Atomic Emission Spectrometer with Achromatic Optical System

    • E. S. Voropay
    • I. M. Gulis
    • A. A. Kirsanov

    OriginalPaper 17 July 2021 Pages: 603 - 609

22. Triple Bragg Diffraction of Bessel Light Beams by Ultrasound in Uniaxial Crystals

    • G. V. Kulak
    • S. V. Kulakov
    • O. V. Shakin

    OriginalPaper 16 July 2021 Pages: 610 - 614

23. Energy Levels, Wavelengths, Transition Rates, Line Strengths, and Lifetimes for Low-Lying Levels in Ne-, Na-, Mg-, and Al-Like Ions of Tantalum

    • X. M. Ren
    • R. Li
    • J. J. Liu

    OriginalPaper 16 July 2021 Pages: 615 - 621

24. Seasonal Variation Characteristics of Chlorophyll and Spectrum in Leaves of Populus euphratica Under Water Stress

    • J. Wang
    • C. Yin
    • C. Cai

    OriginalPaper 16 July 2021 Pages: 622 - 632

25. The Crystal Structure, Spectral, and Density Functional Theory Studies of [3-(3-Bromophenyl)-cis-4,5-Dihydroisoxazole-4,5-Diyl]bis(Methylene)Diacetate

    • Y. S. Kara
    • A. Eşme
    • S. G. Sagdinc

    OriginalPaper 16 July 2021 Pages: 633 - 644

26. Intelligent Proximate Analysis of Coal Based on Near-Infrared Spectroscopy

    • W. Liu
    • B. Peng
    • L. Zhang

    OriginalPaper 16 July 2021 Pages: 645 - 652

27. Assessment of the Elemental Profile of Leafy Vegetables by Synchrotron-Radiation-Induced Energy Dispersive X-Ray Fluorescence Spectroscopy

    • A. S. Bharti
    • S. Sharma
    • K. N. Uttam

    OriginalPaper 16 July 2021 Pages: 653 - 661

28. Predicting Hyperglycemia Using NIR Spectrum of Spent Fluid in Hemodialysis Patients

    • V. Matović
    • J. Trbojević-Stanković
    • A. Petrović

    OriginalPaper 16 July 2021 Pages: 662 - 667

29. Investigation of the Physical Properties of Eucalyptus and Pinus halepensis Essential Oils Using Dielectric Spectroscopy and Gas Chromatography–Mass Spectrometry

    • O. Harrouz
    • F. Frenzel
    • F. Kremer

    OriginalPaper 16 July 2021 Pages: 668 - 673

30. Spectrofluorimetric Method for the Determination of Azelastine Hydrochloride in Bulk and Nasal Formulations

    • S. Shekhar
    • A. Bali

    OriginalPaper 16 July 2021 Pages: 674 - 680

31. Near-Infrared Spectroscopy Analysis Technology Based on Single Sample

    • Z. Wei
    • M. Lin

    OriginalPaper 16 July 2021 Pages: 681 - 688

32. Simulation of a Blind Hyperspectral-Unmixing Algorithm Incorporating Spatial Correlation and Spectral Similarity

    • Q. Li
    • X. Miao

    OriginalPaper 16 July 2021 Pages: 689 - 695