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Jesteena Johney

Publications (5)

Production and Applications of Secondary Metabolites Extracted from Trichoderma viride

Vaishnavi R, Jeyalakshmi Thanuja K, R. Ragunathan & Jesteena Johney · South Asian Journal of Research in Microbiology · 2025

Aims: To investigate the production, extraction, and characterization of bioactive metabolites from Trichoderma viride, to evaluate their antimicrobial and anticancer potential. This study aims to validate the applicability of Trichoderma viride metabolites as therapeutic and agr...

Open access Research Article 10.9734/sajrm/2025/v19i9460

Fabrication and Characterization of Silver Nanoparticles Produced by the Supernatant of Lactobacillus gasseri and Evaluation of their Potential Biomedical Activity

Nihala K, Maneesha Mohan, Seena P, Jesteena Johney & R. Ragunathan · South Asian Journal of Research in Microbiology · 2025

Aims: This study aimed to synthesize silver nanoparticles (AgNPs) using Lactobacillus gasseri and to evaluate their antimicrobial, anti-biofilm, and cytotoxic properties after formulation into a Carbopol-based nanoemulsion. Study Design: This was an experimental laboratory-based...

Open access Research Article 10.9734/sajrm/2025/v19i8459

Patterns of Bacterial Isolation, Identification and Antibiotic Susceptibility Associated with Infected Wounds: A Prospective Study

Nila Rajan, K. Thanga Mariappan, R. Ragunathan & Jesteena Johney · South Asian Journal of Research in Microbiology · 2025

Aims: To isolate and identify bacteria from infected wounds and determine their patterns of antibiotic susceptibility in order to understand their role in delayed wound healing and overall impact on patient quality of life. Study Design: Descriptive cross-sectional study. Place a...

Open access Research Article 10.9734/sajrm/2025/v19i6440

A Comprehensive Systematic Review of Tridax procumbens. L on Wound Healing and Its Pharmacological Aspects

Vimala Devi S, Lakshmi Prabha, R. Ragunathan & Jesteena Johney · South Asian Journal of Research in Microbiology · 2025

Tridax procumbens. Linn is a well-known medicinal plant found all over India. It contains flavonoids, alkyl esters, sterols, pentacyclic triterpenes, fatty acids and polysaccharides, and various chemical constituents naturally. The extracts obtained from Tridax leaves promote wou...

Open access Research Article 10.9734/sajrm/2025/v19i6439

Antioxidant and Antimicrobial Properties of TiO2-ZnO Bimetal Nanoparticle Synthesized Using Leucas aspera L. Flower Extract

S Seema, D Nivethini, R Ragunathan & Jesteena Johney · South Asian Journal of Research in Microbiology · 2025

Aims: This study focuses on the biosynthesis of titanium dioxide (TiOβ‚‚) and zinc oxide (ZnO) bimetal nanoparticles using Leucas aspera L. flower extract and their evaluation for antioxidant and antimicrobial properties. Study Design: This study follows an experimental laboratory-...

Open access Research Article 10.9734/sajrm/2025/v19i4429