A novel interpenetrating polymer network (IPN) has been synthesized through enzymatic initiation using lipase as initiator, glutaraldehyde as cross-linker, acrylic acid as primary monomer and acrylamide as secondary monomer. Biodegradability of synthesized interpenetrating polymer network was studied through soil burial and composting methods. Synthesized hydrogel was completely degraded within...

Dry bubble disease is a major problem in the commercial cultivation of the white button mushroom Agaricus bisporus and is caused by the ascomycete Lecanicillium fungicola. In the casing layer, germination of L. fungicola spores is inhibited by the microflora, a phenomenon known as fungistasis. Fungistasis is annulled when the casing is colonized by A. bisporus hyphae. We demonstrated that addit...

PURPOSE To present and validate a new method for 4D flow quantification of vortex-ring mixing during early, rapid filling of the left ventricle (LV) as a potential index of diastolic dysfunction and heart failure. MATERIALS AND METHODS 4D flow mixing measurements were validated using planar laser-induced fluorescence (PLIF) in a phantom setup. Controls (n = 23) and heart failure patients (n =...

AIMS It has been shown that optimizing atrioventricular (AV) and interventricular (VV) delay improves cardiac performance in patients with biventricular pacemakers. However, there is no standard method for optimization available yet. The aim of this study was to compare echocardiographic parameters-displacement imaging, A wave duration, and aortic velocity time integral (VTI)-and acoustic cardi...

The repair of peripheral nerve injuries is still one of the most challenging tasks and concerns in neurosurgery. Effect of methylprednisolone-laden hydrogel loaded into a chitosan conduit on the functional recovery of peripheral nerve using a rat sciatic nerve regeneration model was assessed. A 10-mm sciatic nerve defect was bridged using a chitosan conduit (CHIT/CGP-Hydrogel) filled with CGP-h...

Este estudo teve o objetivo de avaliar a estratégia uso sementes pré-germinadas pata-de-vaca (Bauhinia ungulata L.) na semeadura direta para restauração florestal. Os tratamentos testados foram: T1= Plantio mudas em tubetes (Testemunha); T2 = Semeadura sem pré-germinação; T3 com T4 pré-germinação e hidrogel; T5 hidrogel. O experimento foi instalado blocos ao acaso quatro repetições 10 ou pontos...

Wetlands are areas where the frequent and prolonged presence of water at or near the soil surface drives the natural system. Next to Buenos Aires, the Lower Delta islands of the Paraná River constitute a fresh water wetland characterized by a complex mosaic of natural and man made ecosystems and a hydrologic regime defined by the Paraná and De la Plata rivers. The ENVISAT ASAR data recently obt...

Knowledge about fungi diversity following different planting patterns could improve our understanding of soil processes and thus help us to develop sustainable management strategies. The objective of this study was to determine the impact of different furrow-ridge mulching techniques on fungal diversity in rhizosphere soil under continuous cropping system. The investigated treatments were: flat...

Variations and fluctuations of forest floor scattering was soil rms height, whereas, at C-band, all parameters were about equal in influence. The modeled sensitivities properties can lead to variability in radar backscatter from forest, thereby interfering with SAR backscattersuggested that the surface-related uncertainty in forest backscatter at L-HH and L-VV, and at C-HH and C-VV based estima...