Tito Cesar Marques de Almeida

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Forest management in a biological reserve is removing eucalyptus. Siparuna guianensis (early secondary), Xylopia sericea and Byrsonima sericea (pioneers) are the three most abundant native species in the eucalyptus understory. Chlorophyll a fluorescence and photosynthetic pigments were analyzed every 2 weeks for 120 days after clearcutting to answer: (i)(More)
Interstitial annelids in the family Saccocirridae live in the extremely turbulent and dynamic swash zone of exposed sandy beaches. We examine herein the relationship between distribution patterns of Saccocirrus pussicus du Bois-Reymond Marcus 1948 and morphodynamics, hydrodynamic zones, and environmental variables at beaches sampled along the Brazilian(More)
This paper presents a microsystem for biomolecular recognition (DNA, enzymes) based on a biochip, which uses magnetic field arraying of magnetically tagged biomolecules and high sensitivity sensors for single biomolecule detection. The microsystem provides the electronic circuitry for addressing, reading out and sensing each of the 16 × 16 magnetoresistive(More)
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