ArticleDie Naturwissenschaften2026
Bioinspired silver nanoparticles from Barleria lawii leaf extract: phytochemical-mediated synthesis, characterization, and multifunctional properties.
Article in Die Naturwissenschaften, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Plant-mediated synthesis of silver nanoparticles (AgNPs) represents an emerging bioinspired strategy for generating multifunctional nanomaterials by exploiting natural phytochemicals as reducing and stabilizing agents. In this study, Barleria lawii leaf extract was utilized for the first time as a biological platform for the synthesis of silver nanoparticles (Bl-AgNPs). Phytochemical analysis revealed substantial phenolic and flavonoid contents (28.4 mg GAE/g and 18.1 mg QE/g, respectively), supporting their role in Ag⁺ reduction and nanoparticle stabilization. Under optimized conditions (10 mM AgNO₃, extract-to-precursor ratio of 1:2, pH 8, and 60 °C), stable spherical Bl-AgNPs were obtained, exhibiting a characteristic surface plasmon resonance band at 422.5 nm. XRD analysis confirmed face-centered cubic crystallinity with an average crystallite size of 27.60 ± 6.57 nm, while TEM revealed spherical particles with an average size of 22.1 ± 6.5 nm. DLS gave a hydrodynamic diameter of 121.8 nm, and zeta potential measurements indicated good colloidal stability (- 31.2 mV). The synthesized Bl-AgNPs demonstrated enhanced antioxidant activity (DPPH IC
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