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Congenital ranula.
Marques, Maria Inês; Morais, Sofia; Coutinho, Sílvia; de Castro, Ochoa; Rei, Ana IsabelThe authors describe a case of congenital ranula diagnosed by a routine prenatal ultrasonography at 21 weeks of gestation. The fetal kariotype was normal. Follow-up ultrasound scans revealed no changes in the size or the position of the cyst. Fetal growth was normal as was the amniotic fluid volume. Surgical treatment was performed 3 days after a normal vaginal delivery, with excellent results. ; The authors d...
Fluorescence study of Sol-Gel derived protein silica hybrids for optical biosensor
Rei, Ana Isabel Rodrigues Alves AntunesTese de doutoramento em Ciências (área de conhecimento em Física) ; The encapsulation of enzymes for optically addressed biosensor applications is an area of great importance. Firstly there is a need to provide a robust, optical quality host in which to incorporate the biomolecule. In principle the host matrix should be “inert” (with minimum interaction with the guest enzyme), protective and should retain the ...
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