Encontrados 64 documentos, a visualizar página 1 de 7
Hidrotórax Recidivante por Fístula Meningo-Pleural
Tavares, Maria João; Bandeira, Teresa; Guimarães, José; Amaral, Isabel; Pinto, L. MarquesApresenta-se um caso clínico de hidrotórax recidivante em criança com síndroma de Crouzon e derivação ventrículo-peritoneal, na qual foi diagnosticadoum meningocelo torácico com fístula meningo-pleural.
Photocrosslinkable Kappa-carrageenan hydrogels for tissue engineering applications
Mihaila, Silvia M.; Gaharwar, Akhilesh K.; Reis, R. L.; Marques, A. P.; Gomes, Manuela E.; Khademhosseini, AliPublished online ; Kappa carrageenan ( κ -CA) is a natural-origin polymer that closely mimics the glycosaminoglycan structure, one of the most important constituents of native tissues extracellular matrix. Previously, it has been shown that κ -CA can crosslink via ionic interactions rendering strong, but brittle hydrogels. In this study, we introduce photocrosslinkable methacrylate moieties on the κ -CA backbo...
Effect of monocytes/macrophages on the early osteogenic differentiation of hBMSCs
Pirraco, R. P.; Reis, R. L.; Marques, A. P.Heterotypic cell interactions are essential for the homeostasis of bone tissue, in particular the widely studied interaction between osteoblasts and osteoclasts. Closely related with osteoclasts are monocytes/macrophages. These have been shown to produce osteogenic factors, e.g. BMP-2, which plays a key role in bone metabolism. However, the mechanisms through which monocytes/macrophages interact with osteoblast...
Human adipose stem cells cell sheet constructs impact epidermal morphogenesis i...
Cerqueira, M. T.; Pirraco, R. P.; Santos, T. C.; Rodrigues, D. B.; Frias, A. M.; Martins, A.; Reis, R. L.; Marques, A. P.Among the wide range of strategies to target skin repair/regeneration, tissue engineering (TE) with stem cells at the forefront, remains as the most promising route. Cell sheet (CS) engineering is herein proposed, taking advantage of particular cell-cell and cell-extracellular matrix (ECM) interactions and subsequent cellular milieu, to create 3D TE constructs to promote full-thickness skin wound regeneration. ...
Interfollicular epidermal stem cells : boosting and rescuing from adult skin
Cerqueira, M. T.; Frias, A. M.; Reis, R. L.; Marques, A. P.Publicado na série "Methods in Molecular Biology", vol. 989 (2013), ISSN 1064-3745 ; Epidermal stem cells isolation struggle remains, mainly due to the yet essential requirement of well-defined approaches and markers. The herein proposed methodology integrates an assemblage of strategies to accomplish the enrichment of the interfollicular epidermal stem cells multipotent fraction and their subsequent separatio...
Dextran sulphate and ficcol fail as macromolecular crowders to enhance extracel...
Pirraco, Rogério; Carvalho, F.; Reis, R. L.; Marques, A. P.Publicado em "Journal of Tissue Engineering and Regenerative Medicine", vol. 7, supp. 1 (2013) ; The development of strategies based on the use of scaffolds for Tissue Engineering and Regenerative Medicine(TERM) has been hindered by the inability of researchers to present solutions to overcome problems mainly related with the biocompatibility of materials andin vivoperfusion of the 3D structures. It is in this...
Stakeholder and driver analysis on energy efficiency in Agriculture. Country Re...
Baptista, Fátima; Silva, Luis L.; Marques, CarlosUntil recently energy efficiency in agriculture has received little attention. Nevertheless, energy consumption in agriculture is considerable, especially when indirect energy use is taken into account. AGREE has the objective of showing the potential of short term energy efficiency gains and the promise of a long term potential. Environmental effects of savings on direct and indirect energy use in agriculture ...
Eye tracking data representation and visualization : on information and communi...
Mealha, O.; Veloso, A.; Almeida, S.; Rodrigues, R.; Roque, L.; Marques, R.; Manteigueiro, C.Eye tracking has become a preponderant technique in the evaluation of user interaction and behaviour with study objects in defined contexts. Common eye tracking related data representation techniques offer valuable input regarding user interaction and eye gaze behaviour, namely through fixations and saccades measurement. However, these and other techniques may be insufficient for the representation of acquired ...
Biohydrogen fermantative production : energetic valorization of microalgae biomass
Batista, Ana Paula; Ortigueira, J.; Gouveia, L.; Marques, Paula Alexandra; Alves, Luís Manuel; Moura, PatríciaRenewable, sustainable and carbon-neutral energy production is needed to deal with the challenges of growing energy demand and climate change. Hydrogen (H2) is most promising in the succession of fuel evolution, with several technical, socio-economic and environmental benefits to its credit [1]. It is an excellent energy carrier as it has the highest energy content per unit weight/mass of any known fuel (142 kJ...
Buschke-Lowenstein Tumor
Pinto, A.; Guedes-Martins, L.; Marques, C.; Cabral, J.Introduction: Giant condyloma acuminatum belongs to a spectrum of diseases with malignant degeneration. Clinically, it presents as exophytic, fungating masses, sometimes with a cauliflower-like morphology. Case presentation: We present a case of a 32-year-old female patient with a 180x95x80mm exophytic mass of the vulvar region suggestive of Buschke-Lowenstein Tumour. Treatment included wide local excision with...
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