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Introducing Yet Another REversible Language [article]

Claudio Grandi, Dariush Moshiri, Luca Roversi
2019 arXiv   pre-print
Yarel is a core reversible programming language that implements a class of permutations, defined recursively, which are primitive recursive complete. The current release of Yarel syntax and operational semantics, implemented by compiling Yarel to Java, is 0.1.0, according to Semantic Versioning 2.0.0. Yarel comes with Yarel-IDE, developed as an Eclipse plug-in by means of XText.
arXiv:1902.05369v1 fatcat:ib3mvr47tjfrnfkbrb7umnmr54

ESTIMATIVA DA ÁGUA NO SOLO EM FLORESTA DE Eucalyptus grandis

Valdemir Antonio Rodrigues, Paulo Torres Fenner, Cláudio Angeli Sansígolo, Maria Helena Moraes
2012 Irriga  
Eucalyptus grandis reforestation, compared to bare soil.  ...  RESUMO O trabalho teve por objetivo avaliar a umidade e densidade do solo, a quantidade de água armazenada no perfil e a porosidade média do solo com reflorestamento de Eucalyptus grandis, em comparação  ...  As plantações de Eucalyptus grandis exercem controle estomático eficiente em condições de baixa disponibilidade de água no solo e se comparam à Mata Atlântica quanto à evapotranspiração e ao uso da água  ... 
doi:10.15809/irriga.2012v17n4p523 fatcat:73c43xlbindv3n5phtn5ggn25a

Cinética da remoção dos extrativos da madeira de Eucalyptus grandis durante polpação Kraft

Camila Sarto, Cláudio Angeli Sansígolo
2010 Acta Scientiarum: Technology  
Caracterização dos cavacos de madeira de Eucalyptus grandis. A caracterização dos cavacos de madeira (Tabela 1) apresenta as características típicas para Eucalyptus grandis.  ...  De acordo com Andrade et al. (2009), a densidade básica de Eucalyptus grandis é de 0,495 g cm -³.  ... 
doi:10.4025/actascitechnol.v32i3.4237 fatcat:us35uciqbjbdjeuu4k2gea5rui

Quality of wood and pulp from a clone of Eucalyptus grandis planted at three locations

Cláudio Angeli Sansígolo, Éder da Silva Ramos
2011 Cerne  
Eucalyptus grandis is one of the most popular species to use as raw material for pulp production in Brazil, as it provides excellent pulping, bleaching and papermaking results.  ...  The main objective of this study is to examine the quality of wood and pulp from a clone of Eucalyptus grandis, at age 4 years approximately, planted in three different soils, two of which being low fertility  ...  In a study with Eucalyptus grandis at age 7 years and Eucalyptus pilularis at age 6 years, Machado et al. (1988) observed that Eucalyptus pilularis had higher basic density than Eucalyptus grandis.  ... 
doi:10.1590/s0104-77602011000100006 fatcat:5n276cpgsncgfa5vcv55x43gdi

Potencial de daño de Anthonomus grandis Boheman en el cultivo del algodonero en el sinú medio

Lorena Martínez, Jorge Eliecer Mejía Quintana, Claudio Rodolfo Fernández Herrera
2003 Temas Agrarios  
Para determinar el efecto del potencial de daño de Anthonomus grandis Boheman, se realizó el presente trabajo bajo condiciones de campo (28°C., HR 80% y PP media anual de 1200 mm).  ...  Los resultados sobre potencial de daño de A. grandis actualmente registrados son disímiles.  ...  bajo condiciones de campo.· El ritmo de oviposición de A. grandis o tiempo que tarda una hembra colocando sus huevos fue de 27,3 días.· La rata de fecundidad de A. grandis o número de huevos por hembra  ... 
doi:10.21897/rta.v8i1.610 fatcat:xl2fbmrnmfdpxcqjuo5t2gyzhy

Effects of autohydrolysis of Eucalyptus urograndis and Eucalyptus grandis on influence of chemical components and crystallinity index

Alaine Patrícia da Silva Morais, Cláudio Angeli Sansígolo, Mario de Oliveira Neto
2016 Bioresource Technology  
It was defined that during autohydrolysis, had a slight decreased on crystalline structure of cellulose of Eucalyptus urogandis and Eucalyptus grandis.  ...  This study demonstrated that the hemicelluloses were extensively removed at 170 and 190°C, whereas cellulose was partly degraded to Eucalyptus urograndis and Eucalyptus grandis sawdust.  ...  Table 5 5 Chemical compositions of the sawdust autohydrolyzed from Eucalyptus grandis.  ... 
doi:10.1016/j.biortech.2016.04.124 pmid:27187566 fatcat:nvufmik6ezbuzn7yxuqmmxh7d4

Intemperismo Artificial em Lâminas de Tectona grandis Tratadas com Produtos de Acabamento

Francis Lívio Corrêa Queiroz, Joaquim Carlos Gonçalez, Cláudio Henrique del Menezzi, Edilene Silva Ribeiro, Clarissa Melo Lima
2016 Floresta e Ambiente  
Entretanto, o reflorestamento com Tectona grandis (teca) surge como uma boa alternativa de investimento (Lima et al., 2011) .  ...  -Os períodos de intemperismo produziram alterações na cor das lâminas de Tectona grandis, detectadas pela variação dos parâmetros colorimétricos.  ... 
doi:10.1590/2179-8087.126315 fatcat:cuwumcersjddrf5qx2vfmqacu4

Influência da densidade básica da madeira de clones de Eucalyptus grandis x Eucalyptus urophylla na qualidade da polpa branqueada

Sheila Rodrigues dos Santos, Cláudio Angeli Sansígolo
2007 Ciência Florestal  
O estudo analisou a influência da densidade básica de dois clones do híbrido de Eucalyptus grandis x Eucalyptus urophylla (440 kg/m3 e 508 kg/m3) na qualidade da polpa branqueada (dimensões de fibras e  ...  CLONES ON BLEACHED PULP QUALITY Sheila Rodrigues dos Santos 1 Cláudio Angeli Sansígolo 2 TABLE 1 : 1 Genetic materials characteristics.  ...  INFLUÊNCIA DA DENSIDADE BÁSICA DA MADEIRA DE CLONES DE Eucalyptus grandis x Eucalyptus urophylla NA QUALIDADE DA POLPA BRANQUEADA WOOD BASIC DENSITY EFFECT OF Eucalyptus grandis x Eucalyptus urophylla  ... 
doi:10.5902/198050981935 fatcat:5btcbfy2w5hsveqqywcxxsvzha

Partially oxidized polyvinyl alcohol conduitfor peripheral nerve regeneration

Elena Stocco, Silvia Barbon, Lucia Lora, Francesca Grandi, Leonardo Sartore, Cesare Tiengo, Lucia Petrelli, Daniele Dalzoppo, Pier Paolo Parnigotto, Veronica Macchi, Raffaele De Caro, Andrea Porzionato (+1 others)
2018 Scientific Reports  
Surgical reconstruction of peripheral nerves injuries with wide substance-loss is still a challenge. Many studies focused on the development of artificial nerve conduits made of synthetic or biological materials but the ideal device has not yet been identified. Here, we manufactured a conduit for peripheral nerve regeneration using a novel biodegradable hydrogel we patented that is oxidized polyvinyl alcohol (OxPVA). Thus, its characteristics were compared with neat polyvinyl alcohol (PVA) and
more » ... ilk-fibroin (SF) conduits, through in vitro and in vivo analysis. Unlike SF, OxPVA and neat PVA scaffolds did not support SH-SY5Y adhesion and proliferation in vitro. After implantation in rat model of sciatic nerve transection, the three conduits sustained the regeneration of the injured nerve filling a gap of 5 mm in 12 weeks. Implanted animals showed a good gait recovery. Morphometric data related to the central portion of the explanted conduit interestingly highlighted a significantly better outcome for OxPVA scaffolds compared to PVA conduits in terms of axon density, also with respect to the autograft group. This study suggests the potential of our novel biomaterial for the development of conduits for clinical use in case of peripheral nerve lesions with substance loss. Peripheral nerve injury is a common clinical problem significantly affecting the patients' quality of life 1 . In case of severe transections, bridging of the gap between the proximal and distal nerve stumps is required 2,3 and autologous nerve grafts using sensory nerves (i.e. the sural nerve or antebrachial cutaneous nerve) are the current criterion standard 4 . Nevertheless, donor-site morbidities (i.e. scarring and neuroma formation, permanent loss of function), size mismatch between the donor nerve and the injured one, poor functional recovery rates and increase in surgery and anesthesia time, have prompted the interest towards the identification of surgical alternatives to this technique 5-7 . Currently, the primary option is the use of hollow nerve guide conduits that will create an adequate microenvironment for nutritional support, axon regeneration and acting as a barrier against the surrounding tissue infiltration 8,9 . Autologous non-nerve tissues (i.e. bone, artery, vein, or muscle) have been widely used for this purpose; however, they are not devoid of disadvantages, therefore surgeons and researchers turned their attention towards different grafts/conduits made of biological or artificial polymers 10 . Natural biopolymers (i.e. chitosan, collagen, gelatin, hyaluronic acid, and silk fibroin) show high biocompatibility, biodegradability and interesting bioactive properties; nevertheless, they have some limitations like batch-to-batch variations and high costs due to the need of extensive purification and characterization 11 . Over time, the material choice for nerve conduits shifted towards biocompatible synthetic polymers 12 . Non-biodegradable polymers, such as methacrylate-based hydrogels, polyols (polyvinyl alcohol -PVA), polystyrene, silicone, and poly(tetrafluoroethylene), as well as biodegradable polyesters, such as poly(lactic acid) (PLA), poly(glycolic acid) (PGA), poly(lactic acid-co-glycolic acid) (PLGA), poly(ε-caprolactone) (PCL), polyurethanes, tri-methylene
doi:10.1038/s41598-017-19058-3 pmid:29330414 pmcid:PMC5766572 fatcat:6335lttmtzgv5no52477gwjqaq

ECM-based triple layered scaffolds for vascular tissue engineering

Claudio Grandi
2011 International Journal of Molecular Medicine  
The present study focused on the development of three layered small-diameter (<6 mm) extracellular matrix (ECM)-based vessels. These were engineered artificially through the freeze-drying technique. A layer of decellularized bovine aorta (DAM) was deposited on a mandrel and, after lyophilization, it was dipped into a poly-L-lactide acid (PLLA)/polyethylene glycol (PEG) 2000 dichloromethane solution then quickly wrapped with a pre-prepared thin DAM sheet. Mechanical properties of three-layered
more » ... affolds were evaluated by means of uniaxial tensile measurement. Furthermore, human endothelial and smooth muscle cells were seeded on internal and external scaffold surfaces, respectively, and co-cultured for 7 days. Our results demonstrate that i) ECM components provide suitable stimuli for cell adhesion and proliferation, ii) the microporous intermediate PLLA/ PEG2000 layer is responsible for the scaffold resistance and iii) the layered deposition technique can be considered a valuable method to obtain layered vascular scaffolds of different sizes and with a good compromise between stiffness and elasticity for optimal cell organization.
doi:10.3892/ijmm.2011.776 pmid:21837361 fatcat:a7vbbhnusnc3hmn72zzz4jvw7y

Engineering of Peptide Synthetases

Francesca de Ferra, Francesco Rodriguez, Ornella Tortora, Claudio Tosi, Guido Grandi
1997 Journal of Biological Chemistry  
Paola Cosmina and Claudio Pratesi to the early stages of this work. We also thank Dr. Joachim Vater for fruitful discussion of the results.  ...  Although successful examples of peptide synthetase manip-2 Francesca de Ferra, Ornella Tortora, and Claudio Tosi, manuscript in preparation.  ... 
doi:10.1074/jbc.272.40.25304 pmid:9312148 fatcat:ubs4tqiumvfl3pcgfi7nwbptka

Calorific Value and Chemical Properties in Juvenile and Mature Wood of Thermally-Modified Eucalyptus Grandis

Fred Willians Calonego, Elias Taylor Durgante Severo, Cláudio Angeli Sansígolo, Marcos Antonio de Rezende, Edson Marcelo Bruder, Vladimir Eliodoro Costa
2016 Drvna industrija  
Boards were taken from 30-year-old E. grandis trees and thermally modifi ed at 180ºC.  ...  This study was aimed at evaluating the calorifi c value and chemical properties of juvenile and mature wood of thermally modifi ed Eucalyptus grandis.  ...  In mature wood from untreated E. grandis, the respective contents were 0.55%, 14.18%, and 58.02%. These results are similar to those reported by Brito et al. (2008) for E. grandis wood.  ... 
doi:10.5552/drind.2016.1522 fatcat:k63nlqnqr5ctfmkexnepfloc4y

AVALIAÇÃO DAS PROPRIEDADES FÍSICO-MECÂNICAS DE PAINÉIS AGLOMERADOS DE Eucalyptus grandis COLADOS COM UREIA-FORMALDEÍDO E TANINO-FORMALDEÍDO

Rafael Rodolfo de Melo, Elio José Santini, Clóvis Roberto Haselein, Diego Martins Stangerlin, Marcos Theodoro Muller, Cláudio Henrique Soares Del Menezzi
2010 FLORESTA  
AbstractPhysical-mechanical properties evaluation of the Eucalyptus grandis particleboard glued with urea-formaldehyde and tannin-formaldehyde.  ...  The objective of this work was to evaluate the Eucalyptus grandis particleboards agglutinate with urea-formaldehyde and tannin-formaldehyde of Acacia mearnsii resin.  ...  Caneiro et al. (2004) , ao estudarem chapas de flocos de Eucalyptus grandis e Pinus elliottii, coladas com diferentes composições de ureia-formaldeído e tanino obtidos das espécies Eucalyptus grandis e  ... 
doi:10.5380/rf.v40i3.18911 fatcat:jlf4oy7sqndpnf5iiaulchpdh4

Crescimento de Mudas de Eucalyptus grandis e Eremanthus erythropappus sob Diferentes Formulações de Substrato

Lucas Amaral de Melo, Gabriel de Assis Pereira, Edson Júnio Costa Moreira, Antonio Claudio Davide, Eduardo Vinícius da Silva, Luís Antônio Fonseca Teixeira
2014 Floresta e Ambiente  
O objetivo deste trabalho foi avaliar a sobrevivência e o crescimento de mudas de Eucalyptus grandis e Eremanthus erythropappus, além de analisar o custo do substrato produzido, em função de diferentes  ...  Verificou-se que a produção de mudas de Eucalyptus grandis é mais fácil de ser conduzida em relação às mudas de candeia.  ...  Tabela 1 . 1 Formulação dos substratos utilizados na produção de mudas de Eucalyptus grandis e Eremanthus erythropappus.  ... 
doi:10.4322/floram.2014.028 fatcat:zt2i4gpaqfhydorxxskguiwrui

Decellularized bovine reinforced vessels for small-diameter tissue-engineered vascular grafts

Claudio Grandi
2011 International Journal of Molecular Medicine  
Furlan (Centro Universitario Grandi Apparecchiature Scientifiche-CUGAS-University of Padova) for SEM analysis.  ... 
doi:10.3892/ijmm.2011.720 pmid:21667016 fatcat:imier4ixy5hulipp4rm5iefleu
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