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Lincon Rafael da Silva,Leonardo Luís de Barros Rodrigues,Amanda Silva Botelho,Bruna Sartório de Castro,Paulo Henrique Pereira Costa Muniz,Maria Carolina Blassioli Moraes,Sueli Corrêa Marques de Mello 한국식물병리학회 2023 Plant Pathology Journal Vol.39 No.1
Common bean (Phaseolus vulgaris L.) is one of the most important crops in human food production. The occurrence of diseases, such as white mold, caused by Sclerotinia sclerotiorum can limit the production of this legume. The use of Trichoderma has become an important strategy in the suppression of this disease. The aim of the present study was to evaluate the effect of volatile organic compounds (VOCs) emitted by Trichoderma azevedoi CEN1241 in five different growth periods on the severity of white mold in common bean. The in vitro assays were carried out in double-plate and split-plate, and the in vivo assays, through the exposure of the mycelia of S. sclerotiorum to the VOCs of T. azevedoi CEN1241 and subsequent inoculation in bean plants. Chemical analysis by gas chromatography coupled to mass spectrometry detected 37 VOCs produced by T. azevedoi CEN1241, covering six major chemical classes. The profile of VOCs produced by T. azevedoi CEN1241 varied according to colony age and was shown to be related to the ability of the biocontrol agent to suppress S. sclerotiorum. T. azevedoi CEN1241 VOCs reduced the size of S. sclerotiorum lesions on bean fragments in vitro and reduced disease severity in a greenhouse. This study demonstrated in a more applied way that the mechanism of antibiosis through the production of volatile compounds exerted by Trichoderma can complement other mechanisms, such as parasitism and competition, thus contributing to a better efficiency in the control of white mold in bean plants.
Self-sustained n-Type Memory Transistor Devices Based on Natural Cellulose Paper Fibers
Rodrigo Martins,Luís Pereira,Pedro Barquinha,Nuno Correia,Gonçalo Gonçalves,Isabel Ferreira,Carlos Dias,Elvira Fortunato,N. Correia,M. Dionísio,M. Silva 한국정보디스플레이학회 2009 Journal of information display Vol.10 No.4
Reported herein is the architecture for a nonvolatile n-type memory paper field-effect transistor. The device was built via the hybrid integration of natural cellulose fibers (pine and eucalyptus fibers embedded in resin withionic additives), which act simultaneously as substrate and gate dielectric, using passive and active semiconductors, respectively, as well as amorphous indium zinc and gallium indium zinc oxides for the gate electrode and channel layer, respectively. This was complemented by the use of continuous patterned metal layers as source/drain electrodes.
Gustavo N. Pereira,Diogo Ribeiro,Luís Saraiva,Hugo Freitas,Ana R. Santos 대한성형외과학회 2022 Archives of Plastic Surgery Vol.49 No.3
The authors present a unique case of osteonecrosis of a cortical half of a fibula free flap that has not been reported in the literature yet. This complication was associated with the impairment of the vascularization of periosteum in the cortical half of fibula that was fixated with a nonlocking reconstructive 2.0-mmplate and screws but other factors could have been involved. The patient was submitted to excision of a cementoossifying fibroma that resulted in a left hemimaxilectomy mesoinfrastructure defect classified as the Cordeiro type 2B. The 42-year-old female patient was submitted to reconstruction with an osteomusculocutaneous fibula free flap plus a segment of fibula graft. The two bone segments of the free flap used to reconstruct the anterior and left alveolar crest were fixated with a reconstructive 2.0-mm plate of matrixMANDIBLE system. The only reported complication was an oronasal fistula that healed with conservative treatment and the referred osteonecrosis of the external cortical half of the fibula free flap with plate exposure at 2.5 years postoperatively. Surgical excision of the osteonecrosed cortical half of the fibula with the plate and screws was performed, while the other cortical underwent bone union as corroborated by computed tomography scans.
Muscular and collagenous cerebellar choristoma in a dog
Angel Ripplinger,Stella Maris Pereira de Melo,Dênis Antonio Ferrarin,Marcelo Luís Schwab,Mathias Reginatto Wrzesinski,Júlia da Silva Rauber,Mariana Martins Flores,Glaucia Denise Kommers,Alexandre Mazz 대한수의학회 2022 Journal of Veterinary Science Vol.23 No.2
This report aims to describe the first case of muscular and collagenous choristoma in a dog. A 10-yr-old female mixed-breed dog presented with lateral recumbence, vocalization, positional vertical nystagmus, divergent strabismus, anisocoria, and status epilepticus. The clinical condition evolved to stupor and ultimately, death. Necropsy revealed a white mass causing an irregular increase in the volume of the cerebellar vermis. In histological analysis, a well circumscribed, unencapsulated mass was observed in the cerebellum, consisting of fibers of striated skeletal muscle and collagen fibers, mostly mineralized. Based on the histopathological and histochemical findings, a diagnosis of muscular and collagenous cerebellar choristoma was made.