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Nature-Inspired and Synthetic Compounds: New Frontiers in Bioactivity and Drug Discovery

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

Deadline for manuscript submissions: 31 December 2025 | Viewed by 654

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Computational Chemistry, “Coriolan Dragulescu” Institute of Chemistry, Romanian Academy, 24 Mihai Viteazu Ave., 300223 Timisoara, Romania
Interests: computational chemistry; QSAR; drug discovery; molecular simulation; medicinal chemistry
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Special Issue Information

Dear Colleagues,

Natural products and their synthetic analogues have long played a fundamental role in the discovery of new therapeutic candidates. Nature-inspired molecules continue to influence drug design, while recent advances in synthetic chemistry, biotechnology, and computational tools have significantly improved the bioactivity, stability, and selectivity of drug candidates.

This Special Issue aims to present high-quality research on bioactive compounds—whether derived from natural sources or synthetically engineered—with promising pharmacological potential against a broad spectrum of diseases. These include cancer, infectious and neurodegenerative disorders, metabolic syndromes, autoimmune and inflammatory diseases, cardiovascular and dermatological conditions, and age-related ailments.

This Special Issue showcases innovative strategies tackling global health challenges through drug discovery and development. Topics of interest include the elucidation of molecular and cellular mechanisms of action, the discovery and profiling of novel natural or synthetic products, the improvement of drug efficacy and safety, and the development of advanced, eco-friendly delivery systems to improve bioavailability and therapeutic targeting. Special attention will be given to the integration of emerging technologies—such as artificial intelligence, machine learning, digital twin modeling, and the Internet of Things—in optimizing drug design, disease modeling, and personalized medicine. This multidisciplinary platform supports the transition toward more sustainable and efficient pharmaceutical innovation.

Dr. Alina Bora
Dr. Luminita Crisan
Guest Editors

Manuscript Submission Information

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Keywords

  • natural and synthetic products
  • drug discovery and development
  • drug repurposing
  • artificial intelligence and machine learning
  • biological evaluation
  • healthcare
  • green and sustainable chemistry
  • natural and synthetic drug applications

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Published Papers (1 paper)

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Research

27 pages, 2873 KB  
Article
A Comprehensive Environmental and Molecular Strategy for the Evaluation of Fluroxypyr and Nature-Derived Compounds
by Ion Valeriu Caraba, Luminita Crisan and Marioara Nicoleta Caraba
Int. J. Mol. Sci. 2025, 26(17), 8209; https://doi.org/10.3390/ijms26178209 - 24 Aug 2025
Viewed by 523
Abstract
This study evaluated the effects of different doses of the herbicide fluroxypyr on soil microbial communities under controlled laboratory conditions. Specific enzymatic activities ((dehydrogenase (DA), urease (UA), catalase (CA), phosphatase (PA)) and quantitative variations in bacterial and fungal populations were measured regarding key [...] Read more.
This study evaluated the effects of different doses of the herbicide fluroxypyr on soil microbial communities under controlled laboratory conditions. Specific enzymatic activities ((dehydrogenase (DA), urease (UA), catalase (CA), phosphatase (PA)) and quantitative variations in bacterial and fungal populations were measured regarding key physico-chemical soil parameters (temperature, pH, electrical conductivity, moisture, organic matter, ammonium, nitrate nitrogen, and available phosphate content). The effects of the herbicide on the targeted parameters were dose- and time-dependent. Fluroxypyr induced a clear decrease in DA, CA, and PA during the first 14 days after administration, while UA showed a decrease in the first 7 days, followed by a slight increase starting on day 14, closely related to the applied dose. Microbial populations decreased in direct relation to the fluroxypyr dose. Organic matter content exhibited a positive correlation with DA, UA, CA, as well as with microbial populations. In addition, three natural compounds structurally similar to fluroxypyr were identified via 3D virtual screening, demonstrating potential herbicidal activity. Fluroxypyr can alter soil metabolic activity and disrupt microbial communities, thereby affecting soil fertility. Used as a reference in 3D screening, fluroxypyr helped identify three natural compounds with potential herbicidal activity as safer alternatives to synthetic herbicides. Full article
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