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Cannabaceae comparative analysis based on plastid genome evolution
Barbosa D’Oliveira Matielo Cristiane,Fernando Metz Geferson,Plá Matielo Lemos Rafael,de Carvalho Victoria Filipe,de Oliveira Camargo Flávio Anastácio,Marcos Stefenon Valdir 한국작물학회 2024 Journal of crop science and biotechnology Vol.27 No.1
Marijuana or hemp (Cannabis sativa L.) of the Cannabaceae family represents one of the most economically important crops within the group that comprises about 170 plant species, some of which are widely used in industry. It is the most consumed, cultivated, and trafficked illicit drug globally, having several hybrids and varieties resulting from crosses, making the distinctions between Cannabis species almost meaningless. In a former study, our research group sequenced and released two cpDNA from Cannabis apprehended by Brazilian Federal Police which we compare with all deposited Cannabaceae complete cpDNA in this work. In countries where planting, marketing, or consumption is prohibited, it is difficult for control and inspection bodies to identify the origin of different strains. Based on this problem, we aim to perform a comparative genomic analysis of the plastid DNA of the Cannabaceae family. We have found evidence that the ndhA intron seems to be an informative region for phylogenetic and evolutive studies in Cannabaceae family. With the results of the present work, we were able to establish the phylogenetic relationships for the Cannabaceae family using the plastid genomes of 35 accessions, between species, subspecies, varieties, and hybrids.
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Wagner L. Gonçalves,Guilherme F. Gomes,Yohan D. Mendéz,Fabrício A. Almeida,Valquíria C. Santos,Sebastião S. Cunha Jr. 사단법인 한국계산역학회 2018 Computers and Concrete, An International Journal Vol.22 No.1
Reinforced concrete structures are widely used in civil engineering projects around the world in different designs. Due to the great evolution in computational equipment and numerical methods, structural analysis has become more and more reliable, and in turn more closely approximates reality. Thus among the many numerical methods used to carry out these types of analyses, the finite element method has been highlighted as an optimized tool option, combined with the non-linear and linear analysis techniques of structures. In this paper, the behavior of reinforced concrete beams was analyzed in two different configurations: i) with welding and ii) conventionally lashed stirrups using annealed wire. The structures were subjected to normal and tangential forces up to the limit of their bending resistance capacities to observe the cracking process and growth of the concrete structure. This study was undertaken to evaluate the effectiveness of welded wire fabric as shear reinforcement in concrete prismatic beams under static loading conditions. Experimental analysis was carried out in order compare the maximum load of both configurations, the experimental load-time profile applied in the first configuration was used to reproduce the same loading conditions in the numerical simulations. Thus, comparisons between the numerical and experimental results of the welded frame beam show that the proposed model can estimate the concrete strength and failure behavior accurately.
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All-Solid-State Carbon Nanotube Torsional and Tensile Artificial Muscles
Lee, Jae Ah,Kim, Youn Tae,Spinks, Geoffrey M.,Suh, Dongseok,Lepró,, Xavier,Lima, Má,cio D.,Baughman, Ray H.,Kim, Seon Jeong American Chemical Society 2014 NANO LETTERS Vol.14 No.5
<P>We report electrochemically powered, all-solid-state torsional and tensile artificial yarn muscles using a spinnable carbon nanotube (CNT) sheet that provides attractive performance. Large torsional muscle stroke (53°/mm) with minor hysteresis loop was obtained for a low applied voltage (5 V) without the use of a relatively complex three-electrode electromechanical setup, liquid electrolyte, or packaging. Useful tensile muscle strokes were obtained (1.3% at 2.5 V and 0.52% at 1 V) when lifting loads that are ∼25 times heavier than can be lifted by the same diameter human skeletal muscle. Also, the tensile actuator maintained its contraction following charging and subsequent disconnection from the power supply because of its own supercapacitor property at the same time. Possible eventual applications for the individual tensile and torsional muscles are in micromechanical devices, such as for controlling valves and stirring liquids in microfluidic circuits, and in medical catheters.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/nalefd/2014/nalefd.2014.14.issue-5/nl500526r/production/images/medium/nl-2014-00526r_0006.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nl500526r'>ACS Electronic Supporting Info</A></P>
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