Biosynthesis, characterization, and biofunctional assessment of niobium oxide nanostructures obtained using lactic acid bacteria-derived supernatants

• Pablo A. Oliveira,
• Gabriella T. L. Teixeira,
• Pollyane S. Oliveira,
• Thaís S. Farnesi-de-Assunção,
• Isabela S. Rotta,
• Karina F. D. Vicentine,
• Dayane S. Alvares,
• Jéferson A. Moreto,
• Aline D. Paiva and
• Natália B. L. Slade

Beilstein J. Nanotechnol. 2026, 17, 1128–1141, doi:10.3762/bjnano.17.77

• , cell-free approach using supernatants derived from lactic acid bacteria (LAB) Lacticaseibacillus rhamnosus and Lacticaseibacillus paracasei UFTM 2.9. The use of LAB supernatants provided an eco-friendly and sustainable route for nanoparticle production, avoiding toxic reagents while exploiting

• activity; green synthesis; Lacticaseibacillus paracasei; Lacticaseibacillus rhamnosus; niobium oxide nanoparticles; Introduction Nanotechnology is a field focused on the study, development, and application of materials at the nanoscale [1][2]. Among the various types of nanomaterials, metallic and metal

• Lacticaseibacillus rhamnosus (Lcr) and Lacticaseibacillus paracasei as biological agents in the synthesis of metallic nanostructures. Lavecchia et al. demonstrated that the synthesis of silver nanoparticles using Lcr resulted in a material with strong antimicrobial activity and high photocatalytic efficiency [16