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Rational Design and Synthesis of Bioactive Molecules, 2nd Edition

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Biology".

Deadline for manuscript submissions: closed (20 January 2026) | Viewed by 1223

Special Issue Editor


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Guest Editor
Department of Chemistry, Faculty of Pharmacy, Medical University, 2 Dunav St., Sofia 1000, Bulgaria
Interests: bioinorganic chemistry; medicinal chemistry; coordination chemistry; theoretical chemistry; vibrational spectroscopy; drug discovery; pharmacological investigations; biologically active compounds
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Special Issue Information

Dear Colleagues,

The development and application of bio-organic, bioinorganic, coordination chemistry and nanostructured materials in medicine is an emerging field, and novel therapeutic and diagnostic compounds are now having an impact on medical practice. Much attention has focused on designing new structures with the desired composition, improved pharmacological properties and a broader range of activity. The application of new synthetic, analytical, and spectral methodologies and theoretical and drug delivery approaches widely used in drug discovery is beneficial for the development of bioactive substances as therapeutics and diagnostics. These advancements are due to the mutual efforts of chemists, biologists and experts in pharmacology, photophysics and bioimaging. 
 
This Special Issue, entitled “Rational Design and Synthesis of Bioactive Molecules”, focuses on recent advances in this multidisciplinary field. Special emphasis is put on rational design and synthesis, structure determination, bonding, and theoretical, analytical and physicochemical drug discovery strategies, together with the design of novel drug delivery systems related to the biologically relevant applications of a variety of compounds with improved efficiency. The scope of this collection is to review and critically discuss these current developments and provide the reader with up-to-date information on various aspects of this fascinating topic. Original research articles, short communications and reviews highlighting the latest advances in the field will be considered for publication.

Prof. Dr. Irena Kostova
Guest Editor

Manuscript Submission Information

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Keywords

  • synthesis
  • structure
  • bonding
  • reactivity
  • chemical properties
  • physical properties
  • pharmacological activity
  • structure–activity relationship
  • applications

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Published Papers (1 paper)

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Research

27 pages, 5985 KB  
Article
Chemical Profiling, Ampicillin Interaction Patterns, and Exploratory Molecular Docking of Lauraceae Essential Oils
by Anca Hulea, Florin Imbrea, Doris Floares (Oarga), Iuliana Popescu, Mukhtar Adeiza Suleiman, Calin Hulea, Ilinca Merima Imbrea, Alina-Georgeta Neacșu, Marinel Horablaga, Cosmin Alin Popescu and Diana Obistioiu
Int. J. Mol. Sci. 2026, 27(3), 1447; https://doi.org/10.3390/ijms27031447 - 31 Jan 2026
Viewed by 369
Abstract
This study compares the chemical composition, antimicrobial effects, and antibiotic-potentiating capacity of three Lauraceae essential oils (EO): Cryptocarya agathophylla (CAEO), Litsea cubeba (LCEO), and Laurus nobilis (LNEO). Gas chromatography–mass spectrometry (GC–MS) analysis revealed distinct chemotypes: CAEO and LCEO were dominated by oxygenated monoterpenes, [...] Read more.
This study compares the chemical composition, antimicrobial effects, and antibiotic-potentiating capacity of three Lauraceae essential oils (EO): Cryptocarya agathophylla (CAEO), Litsea cubeba (LCEO), and Laurus nobilis (LNEO). Gas chromatography–mass spectrometry (GC–MS) analysis revealed distinct chemotypes: CAEO and LCEO were dominated by oxygenated monoterpenes, while LNEO contained the highest levels of monoterpene hydrocarbons. Antibacterial testing against nine bacterial strains showed strain-dependent growth suppression trends, while true minimum inhibitory concentrations (MICs) were reached only in selected cases. EO–ampicillin interactions were evaluated using MIC-based checkerboard criteria, whereas OD-derived inhibition parameters were used exclusively to describe sub-MIC potentiation trends. In combination assays, LNEO exhibited the most pronounced potentiating effects against Streptococcus pyogenes, Shigella flexneri, and Haemophilus influenzae, while CAEO and LCEO showed moderate or strain-dependent enhancement. Hierarchical clustering highlighted distinct oil- and strain-specific interaction profiles. Overall, although CAEO displayed stronger intrinsic antibacterial effects when tested alone, LNEO emerged as the most effective potentiator of ampicillin activity in a strain-dependent manner. The effects of the major compounds identified in the Lauraceae EO were assessed in silico against protein targets of some microorganisms using the AutoDock software version 4.2.6. The docking scores revealed binding affinities of the bioactive compounds towards Dpr protein (4.3–5.8 kcal/mol), DNA gyrase (4.7–7.1 kcal/mol), mono- diacylglycerol lipase (4.4–6.2 kcal/mol), CYP51 (5.8–8.0 kcal/mol), phage-encoded quorum sensing anti-activator (5.8–8.0 kcal/mol) and Chondroitin ABC lyase I (4.8–6.3 kcal/mol). Two (2) hit compounds (α-Citral, β-Citral) were finely defined by strong hydrophobic and hydrophilic interactions with the bacterial and fungal protein targets, respectively. Full article
(This article belongs to the Special Issue Rational Design and Synthesis of Bioactive Molecules, 2nd Edition)
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