This review focuses on a reasoned search for articles to treat contaminated water using hydroxyapatite (HAp)-based compounds. In addition, the fundamentals of heterogeneous photocatalysis were considered, combined with parameters that affect the pollutants’ degradation using hydroxyapatite-based photocatalyst design and strategies of this photocatalyst, and the challenges of and perspectives on the development of these materials. Many critical applications have been analyzed to degrade dyes, drugs, and pesticides using HAp-based photocatalysts. This systematic review highlights the recent state-of-the-art advances that enable new paths and good-quality preparations of HAp-derived photocatalysts for photocatalysis.
Hydroxyapatite stands out between biomaterials due to its properties of osteoconduction and osteoinduction, being adequate to be used in bone grafts. The high stability and flexibility of the structure allows for several biomedical applications, for example, the use as polysaccharide based on the scaffold formulations and the cationic substitutions occurring through the doping of the material using metals, which may enhance biological characteristics, such as improving the action of combating bacterial infections in situ. This study was a research of articles and patents, without and with time restriction (2007)(2008)(2009)(2010)(2011)(2012)(2013)(2014)(2015)(2016)(2017), which contain information about hydroxyapatite in the tissue engineering, biomedical, doped with cerium and its properties of antibacterial activity.There were also searches of products and companies that commercialize these types of materials aimed at tissue engineering area. Scopus was used for searched of articles and were EPO, USPTO, and INPI used for patents, and to search for products and companies were used search engines. Few papers were found to associate all the keywords, but the ones found are recent works, thus showing a new area with potential to be investigated.
Os bioadsorventes à base de biomassa são de baixo custo e apresentam excelentes resultados para remoção de contaminantes orgânicos. O tucum (Bactris setosa) é uma alternativa promissora para aplicação como bioadsorvente, especialmente, pela larga disponibilidade e baixo custo. O presente trabalho teve como objetivo mapear as produções científicas e tecnológicas relacionadas à B. setosa, avaliando suas potencialidades. Foi realizada uma busca nas principais bases de dados de patentes e periódicos científicos nacionais e internacionais, nos últimos 20 anos. A busca encontrou 74 patentes e 49 artigos. O maior número de patentes depositadas foi em 2019. EUA apareceu como o maior depositante, seguido pela Coréia e China. A área de Agricultura é que mais publica sobre o tema, o Brasil foi o país com mais publicações, seguido pelo Reino Unido. Em 2018 e 2019 houve intensa produção sobre o tema. Os resultados evidenciaram a potencialidade tecnológica e científica da espécie para a indústria farmacêutica.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.