Original ResearchPublished 1 April 2026Eco-friendly synthesis of crystalline and amorphous copper-based nanomaterials using Moringa oleifera leaf, seed, and stem bark: a sustainable approach for biological and environmental applicationsNaveen Jesuraj · Chidanandamurthy Thippeswamy Swamy · Baabu Balasubramanian · Yuganti Bai · Raghavender Medishetty · Kousik Ghosh · Chitra Subramani · Ajay Kumar Meena · Vinodkumar ThalladaFrontiers in Catalysisdoi 10.3389/fctls.2026.1799011