"Development of sericin and alginate particles covalently crosslinked with proanthocyanidins or polyvinyl alcohol for the bioadsorption of gold ions present in aqueous media" (Master's). Candidate: Nilza Tatiane das Graças Santos. Advisor: professor Melissa Gurgel Adeodato Vieira. February 21, 2019, at 9 am, in the FEQ thesis defense room.