This study employed nanoclay as a low-cost, environmentally friendly adsorbent for the effective removal of malachite green (MG) dye from aqueous solutions. The nanoclay was characterized using XRD, FESEM, TEM, TGA, and FTIR. Structural and morphological analyses confirmed a porous, multilayered structure that was enhanced…

Keywords: Vermiculite, Clay, Dye, Malachite green, Nano, Removal, Regeneration

DOI: 10.65382/2221-8688-2026-4-619-634

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PREPARATION AND CHARACTERIZATION OF A NUMBER OF OXAZEPANE AND THIAZINANE DERIVATIVES DERIVED FROM SCHIFF BASES AND STUDY OF SOME OF THEIR APPLICATIONS

Hind Majed Abdel Karim^*, Salwa Abdel Sattar Jabbar

Abstract: This research combines the synthesis of several hexagonal and heptacyclic compounds derived from Schiff bases. The Schiff bases were prepared by incorporating [d][1,3]dioxol-5-carbaldehyde with aniline substituents used as nucleophiles. Several heptacyclic oxazapanes were prepared by incorporating Schiff bases with succinic anhydride, and several hexagonal…

Keywords: heterocycle, Schiff bases, nano-compounds, biological activity, MTT, laser.

DOI: 10.65382/2221-8688-2026-2-244-261

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DEVELOPMENT OF COMPOSITE MATERIALS BASED ON HIGH AND LOW DENSITY POLYETHYLENE, NANOCLAY AND LUBRICATING SYNTHETIC OIL

Gulnara Sh. Gasimova, Dilbar R. Nurullayeva, Lala Kh. Gasimzade, Fidan A. Aqayeva, Aida L. Tagiyeva

In the paper, the results of research into the development of polymer composition materials with improved strength and antifriction properties based on high-density polyethylene (HDPE), as well as low- density polyethylene (LDPE) and modifying additives – Azerbaijani clays and synthetic lubricating oil are presented. It…

DOI: 10.32737/2221-8688-2023-2-153-160

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FUSED RING HETEROCYCLE FUNCTIONALIZED GOLD NANOPARTICLES: SYNTHESIS AND SELF-ASSEMBLY

Saurav Paul, Bimal B. Chakraborty, Kuheli Deb, Sudip Choudhury

Self-assembled nanoparticles are an area of great research prospect as they offer switchable element for designing and creating micro-scale constructs. Self-assembly of nano-hybrids through some non- covalent interactions such as electrostatic, π-π and van der Waal interactions in different classes of composite materials provide a…

DOI: 10.32737/2221-8688-2023-2-188-196

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THEORETICAL ASPECTS OF VIBRATIONAL SPECTROSCOPY OF CONDENSED SYSTEMS WITH IMPURITY PARTICLES

T. Marsagishvili, M. Machavariani

Some problems of vibrational spectroscopy of particles in condensed systems are considered in this work. One of the aspects of theoretical research is the study of the vibrational properties of individual particles in view of the nano-dimension of the molecules of the condensed system surrounding…

DOI: 10.32737/2221-8688-2023-3-211-220

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LIGAND SUBSTITUTION REACTIONS IN NON-REGULAR CONDENSED SYSTEMS

T.A. Marsagishvili^*, M.N. Matchavariani

Abstract: Some problems of ligand substitution reactions in non-regular condensed systems are considered in this work. One of the aspects of theoretical research is the study of the properties of individual particles, taking into account the nano-dimension of the molecules of the condensed system surrounding…

Keywords: ligand substitution, condensed systems, spatial and frequency dispersion, solvation, impurity particles, Green functions, electron-nonadiabatic charge transfer, electron-adiabatic process.

DOI: 10.65382/2221-8688-2026-2-210-217

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PREPARATION, CHARACTERIZATION, ANTIBACTERIAL EVALUATION, LASER ACTIVITY, MOLECULAR DOCKING, AND LIQUID CRYSTALLINITY STUDIES OF NEW TETRAZOLE DERIVATIVES

Nour A. Yassin^*, Fawzi H. Jumaa

Abstract: In this study, the sublimation technique was employed to react equimolar amounts of Schiff base derivatives with sodium azide in the presence of DMSO as a solvent for 21 –22 hours. The result is a synthesis of five-membered tetrazole derivatives. Physical and spectroscopic techniques,…

Keywords: Tetrazoles, bacterial bioactivity, laser, molecular docking, liquid crystalline

DOI: 10.65382/2221-8688-2026-3-499-511

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EFFECT OF ZEOLITE NANOSTRUCTURE ADDITIVE ON MORTAR HARDENING PROCESS

G.P. Tsintskaladze^1*, T.N. Kordzakhia¹, T.V. Sharashenidze¹, M.G. Zautashvili¹, M.R. Nadirashvili², K.G. Benashvili³

Abstract: For many years lime mortar has been an indispensable building material used in all countries of the world. The position of lime mortar for restoration work has especially increased. Since one of the main factors of durability of historical and cultural monuments is the…

Keywords: Physico-chemical research methods, zeolite clinoptilolite, lime, lime mortar, sand

DOI: 10.65382/2221-8688-2026-3-430-439

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