JORGE GABRIEL DOS SANTOS BATISTA
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Capítulo IPEN-doc 30888 Copper-Based Nanomaterials for Biologically Relevant Compounds2024 - BATISTA, JORGE G. dos S.; RODRIGUES, MURILO A.V.; FREITAS, LUCAS F. de; FONSECA, ANA C.M.; RODRIGUES, ADRIANA de S.; CRUZ, CASSIA P.C. da; THIPE, VELAPHI C.; LUGAO, ADEMAR B.Copper-based nanomaterials have emerged as a new platform in various scientific domains due to their unique physicochemical, biological, and compatibility properties. This review explores the multifaceted applications of copper nanomaterials in the areas of biosensing, drug delivery, cancer therapy, and environmental remediation. The innovative role of copper nanomaterials in biosensors and their exceptional sensitivity and specificity in detecting biomolecules are discussed. Moreover, the potential applications of copper-based nanomaterials in drug delivery systems, highlighting the controlled and targeted release of therapeutic agents’ approaches are explored. In the domain of cancer theragnostic, copper nanomaterials exhibit promising results thus offering practical tools for early diagnosis and advanced treatment modalities. Furthermore, the antimicrobial properties of copper nanoparticles are explored, emphasizing their importance in combating microbial threats and promoting a new era in antimicrobial research. Copper-based nanomaterials could have a significant role in environmental and bioremediation applications. The strong catalytic activity of copper nanoparticles makes them ideal candidates for environmental remediation. In summary, this comprehensive review consolidates the latest advances in copper nanomaterials research, providing valuable information for scientists and researchers involved in diverse fields to promote the development of new applications and technologies.Artigo IPEN-doc 25206 An overview of the synthesis of gold nanoparticles using radiation technologies2018 - FREITAS, LUCAS F. de; VARCA, GUSTAVO H.C.; BATISTA, JORGE G. dos S.; LUGAO, ADEMAR B.At a nano-level, optical properties of gold are unique and gave birth to an emerging platform of nanogold-based systems for diverse applications, because gold nanoparticle properties are tunable as a function of size and shape. Within the available techniques for the synthesis of gold nanoparticles, the radiolytic synthesis allows proper control of the nucleation process without the need for reducing agents, in a single step, combined or not with simultaneous sterilization. This review details and summarizes the use of radiation technologies for the synthesis and preparation of gold nanoparticles concerning fundamental aspects, mechanism, current pathways for synthesis and radiation sources, as well as briefly outlines final applications and some toxicity aspects related to nanogold-based systems.