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Development, characterization and stability of microemulsionated formulations of bacaba, Oenocarpus bacaba oil Acta Amazonica
TORRES,Maycon de Paula Ribeiro; ESPRENDOR,Rhuan Vínicius de Freitas; BONALDO,Solange Maria; RIBEIRO,Elton Brito; VALLADÃO,Dênia Mendes de Sousa.
ABSTRACT Advances in nanotechnology, combined with the use of natural products, represent a promissing research field. Brazil is a country of a rich biodiversity, especially in the Amazon forest. Fruits commonly used by local communities, such as bacaba (Oenocarpus bacaba), are potentially important for prospection of industrial applications of natural products. In nanotechnology, microemulsions stand out for providing a modified release to conveyed substances. This work aimed to develop microemulsionated formulations of bacaba oil, characterize them and evaluate their stability. We determined the HLB (hydrophile-lipophilic balance) of bacaba oil for formulation development. Six formulations were selected from pseudoternary diagrams, which indicated the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Microemulsion; Amazon; Native fruit; Nanotechnology; Carriers.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672019000300246
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Biochemical Analysis by Calcium Determination on the Newly Formed Bone in Critical Bone Defects Submitted to Different Treatments: A Pilot Study International Journal of Morphology
Issa,Joao Paulo Mardegan; Petenusci,Sergio Olavo; Siéssere,Selma; Regalo,Simone Cecilio Hallak; Lopes,Ruberval Armando; Di Matteo,Miguel Ángel Sala; Iyomasa,Mamie Mizusaki; Defino,Helton Luiz Aparecido.
The aim of this study was to evaluate the calcium dosage of the newly formed bone, in critical bone defects created on the calvarial tissue and filled by different substances, in male Wistar rats. A cylindrical critical bone defect (6x2mm) was created in the posterior portion, left side, on the calvarial bone in nine animals and filled with: animals' coagulum, monoolein gel, poloxamer gel, monoolein gel + 1µg rhBMP-2, monoolein gel + 3µg rhBMP-2, monoolein gel + 7µg rhBMP-2, poloxamer gel + 1µg rhBMP-2, poloxamer gel + 3µg rhBMP-2, poloxamer gel + 7µg rhBMP-2. The results of this study showed a positive correlation between the calcium dosage analysis and the newly formed bone
Tipo: Journal article Palavras-chave: Bone repair; Biomaterials; RhBMP-2; Carriers; Calcium.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022007000300006
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Risk of peritonitis during peritoneal dialysis in carriers of Staphylococcus aureus and coagulase-negative staphylococci J. Venom. Anim. Toxins incl. Trop. Dis.
Batalha,J. E. N.; Caramori,J. C. T.; Corrente,J. E.; Montelli,A. C.; Barretti,P.; Cunha,M. L. R. S..
The presence of Staphylococcus aureus in the nasal cavities and pericatheter skin of peritoneal dialysis patients put them at high risk of developing peritonitis. However, it is not clear whether the presence of coagulase-negative staphylococci (CNS) in the nasal passages and skin of patients is related to subsequent occurrence of peritoneal infection. The aim of the present study was to verify the relationship between endogenous sources of S. aureus and CNS and occurrence of peritonitis in patients undergoing peritoneal dialysis. Thirty-two patients on peritoneal hemodialysis were observed for 18 months. Staphylococcus species present in their nasal passage, pericatheter skin and peritoneal effluent were identified and compared based on drug...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Staphylococcus aureus; Coagulase-negative staphylococci; Carriers; Peritoneal dialysis; Peritonitis.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992006000400005
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