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Peš,ić,, Vladimir,Semenchenko, Ksenia A.,Lee, Wonchoel Pensoft Publishers 2015 ZooKeys Vol.507 No.-
<P>Abstract</P><P>New records of water mites (Acari: Hydrachnidia) from streams in South Korea are presented. Two species are described as new to science: <I>Torrenticolaneodentifera</I><B>sp. n.</B> (Torrenticolidae) and <I>Atractidesermilovi</I><B>sp. n.</B> (Hygrobatidae). Five species are reported as first records for Korea: Wandesia (Wandesia) reducta Tuzovskij, 1987, Wandesia (Wandesia) cf.rara Tuzovskij, 1990, Sperchon (Sperchon) orientalis Tuzovskij, 1990, Feltria (Feltria) kuluensis Tuzovskij, 1988 and Atractides (Atractides) constrictus (Sokolow, 1934). The latter species is redescribed and elevated to species rank based on new material from the Russian Far East.</P>
Torrenticolid water mites from Korea and the Russian Far East
Peš,ić,, Vladimir,Semenchenko, Ksenia A.,Lee, Wonchoel Pensoft Publishers 2013 ZooKeys Vol.299 No.-
<P>Abstract</P><P>New records of water mites of the family Torrenticolidae Piersig, 1902 (Acari: Hydrachnidia) from streams in South Korea and the Russian Far East are presented. Detailed descriptions or redescrptions are provided for eight species of the genera <I>Torrenticola</I> Piersig, 1896 and <I>Monatractides</I> K. Viets 1926. Two species are described as new to science: <I>Torrenticola kimichungi</I><B>sp. n.</B> and <I>Monatractides abei</I><B>sp. n.</B> Five species are reported as first records from Korea: <I>Torrenticola brevirostris</I> (Halbert, 1911); <I>Torrenticola dentifera</I> Wiles, 1991; <I>Torrenticola recentis</I> Tuzovskij, 2003; <I>Torrenticola ussuriensis</I> (Sokolow, 1934); and <I>Torrenticola turkestanica</I> (Sokolow, 1926). <I>Torrenticola nipponica</I> (Enami, 1940) is reported for the first time from Russia.</P>
David Peñarrocha-Oltra,Sonia Gomar-Vercher,Alberto Ferreiroa,Miguel Peñarrocha-Diago,Rubén Agustín-Panadero 대한치과보철학회 2015 The Journal of Advanced Prosthodontics Vol.7 No.3
This report describes the case of an edentulous patient with an atrophic maxilla and severe class III malocclusion. Prosthetic rehabilitation was performed using CAD/CAM techniques for manufacturing an implant-supported overdenture with horizontal insertion. A vestibulo-lingual insertion overdenture is a precision prosthesis with a fixation system affording a good fit between the primary and secondary structure. Both structures exhibit passive horizontal adjustment. This treatment option requires the same number of implants as implant-supported fixed dentures. The horizontal assembly system prevents the prosthesis from loosening or moving in response to axial and non-axial forces. The technique was used to rehabilitate a patient presenting an atrophic upper maxilla, with the insertion of 8 implants. No complications were reported at follow-up 3, 6 and 12 months after fitting of the prosthesis. This system offers solutions to the clinical and laboratory complications associated with hybrid prostheses, concealing emergence of the chimneys and improving implant-prosthesis hygiene.
( Edgar Fernando Peña-torres ),( Candelario Castillo-salas ),( Ismael Jiménez-estrada ),( Adriana Muhlia-almazán ),( Etna Aida Peña-ramos ),( Araceli Pinelli-saavedra ),( Leonel Avendaño-reyes ),( Cin 한국축산학회 2022 한국축산학회지 Vol.64 No.1
Ferulic acid (FA) is a phytochemical with various bioactive properties. It has recently been proposed that due to its phytogenic action it can be used as an alternative growth promoter additive to synthetic compounds. The objective of the present study was to evaluate the growth performance, carcass traits, fiber characterization and skeletal muscle gene expression on hair-lambs supplemented with two doses of FA. Thirty-two male lambs (n = 8 per treatment) were individually housed during a 32 d feeding trial to evaluate the effect of FA (300 and 600 mg d<sup>-1</sup>) or zilpaterol hydrochloride (ZH; 6 mg d<sup>-1</sup>) on growth performance, and then slaughtered to evaluate the effects on carcass traits, and muscle fibers morphometry from Longissimus thoracis (LT) and mRNA abundance of β2-adrenergic receptor (β<sub>2</sub>-AR), MHC-I, MHC-IIX and IGF-I genes. FA increased final weight and average daily gain with respect to non-supplemented animals (p < 0.05). The ZH supplementation increased LT muscle area, with respect to FA doses and control (p < 0.05). Cross-sectional area (CSA) of oxidative fibers was larger with FA doses and ZH (p < 0.05). Feeding ZH increased mRNA abundance for β<sub>2</sub>-AR compared to FA and control (p < 0.05), and expression of MHC-I was affected by FA doses and ZH (p < 0.05). Overall, FA supplementation of male hair lambs enhanced productive variables due to skeletal muscle hypertrophy caused by MHC-I up-regulation. Results suggest that FA has the potential like a growth promoter in lambs.
Irene Joy I. dela Peña,김희진,Chrislean Jun Botanas,June Bryan de la Peña,Thi Hong Van Le,Minh Duc Nguyen,박정힐,정재훈 고려인삼학회 2017 Journal of Ginseng Research Vol.41 No.2
Background: Panax vietnamensis Ha et Grushv. or Vietnamese ginseng (VG) is a recently discovered ginseng species. Studies on its chemical constituents have shown that VG is remarkably rich in ginseng saponins, particularly ocotillol saponins. However, the psychopharmacological effects of VG have not been characterized. Thus, in the present study we screened the psychopharmacological activities of VG in mice. Methods: VG extract (VGE) was orally administered to mice at various dosages to evaluate its psychomotor (open-field and rota-rod tests), sedativeehypnotic (pentobarbital-induced sleeping test), antistress (cold swimming test), anxiolytic (elevated plus-maze test), and cognitive (Y-maze and passiveavoidance tests) effects. Results: VGE treatment increased the spontaneous locomotor activity, enhanced the endurance to stress, reduced the anxiety-like behavior, and ameliorated the scopolamine-induced memory impairments in mice. In addition, VGE treatment did not alter the motor balance and coordination of mice and did not potentiate pentobarbital-induced sleep, indicating that VGE has no sedative-hypnotic effects. The effects of VGE were comparable to those of the Korean Red Ginseng extract. Conclusion: VG, like other ginseng products, has significant and potentially useful psychopharmacological effects. This includes, but is not limited to, psychomotor stimulation, anxiolytic, antistress, and memory enhancing effects.
Influence of feed on anti-inflammatory and antioxidant effects of Zophobas morio
Pečová Martina,Pospiech Matej,Javůrková Zdeňka,Ljasovská Simona,Dobšíková Radka,Tremlová Bohuslava 한국응용곤충학회 2022 Journal of Asia-Pacific Entomology Vol.25 No.4
In this study, the antioxidant and anti-inflammatory effects of superworm as one of the potential species for the food industry were investigated. This type of insect was bred on three different types of feed and, at the end of the breeding experiment, the total polyphenols (TPC), antiradical activity, degree of hydrolysis, and antiinflammatory effects of the peptides were determined. The highest value of polyphenols content was demon strated in whole enzymatically hydrolysed insects (W), especially in the group fed on soy feed (Wso = 4.2014 ± 0.27 mg GAE/100 g). This group also achieved the highest antiradical activity, as measured by ABTS and DPPH, and the highest anti-inflammatory effect, as measured by COX inhibition. Insects fed on soy feed are unsuitable for food despite their high polyphenol content and antioxidant activity, as high mortality occurs. The largest length in a worm breeding experiment was identified in the group fed the control diet (co = 4.93 ± 0.27 cm) and the heaviest weight in the group on the maize diet (ma = 0.77 ± 0.11 g).
Peñuela Mauricio,Viáfara-Vega Ronald,Arias Leidy Laura,Cifuentes-Silva Héctor,López José,Cárdenas Heiber 한국작물학회 2022 Journal of crop science and biotechnology Vol.25 No.2
Usually is common to see great diferences among plants in our crops, this can allow us to think about selection of some plants with the best traits in order to show that character in the next generation and thus improve our crops. Nevertheless, we forget that the observed phenotypic variance of our crop is due to several factors as genetic and environmental components. Knowing how these factors afect traits is an important question because it can tell us whether a selection program is viable or not, which can save efort, time, and money. Here, we present a case of study in a Tabasco chili pepper crop from southwestern Colombia where farmers generally practice selection ignoring the genetic and environmental components of the selected traits. To reveal these components, we proposed to use the estimation of heritability in a narrow sense, for which we developed measurements in two generations of plants and we applied a simple regression model in concordance with the expected inbreeding value for an autogamous species. Subsequently, we amplifed microsatellite molecular markers to support heritability values based on genetic diversity and confrmed whether the assumed inbreeding value for their estimation based on the life history of the species, was correct.
Peña Bengoa Fernando,Magasich Arze Maria Consuelo,Macchiavello Noguera Cristobal,Moreira Luiz Felipe Nunes,Kato Augusto Shoji,Bueno Carlos Eduardo Da Silveira 대한치과보존학회 2020 Restorative Dentistry & Endodontics Vol.45 No.2
Objective: This study aimed to evaluate the effect of ultrasonic cleaning of the intracanal post space on the bond strength of fiber posts in oval canals filled with a premixed bioceramic (Bio-C Sealer [BIOC]) root canal sealer. Materials and Methods: Fifty premolars were endodontically prepared and divided into 5 groups (n = 10), based on the type of root canal filling material used and the post space cleaning protocol. A1: gutta-percha + AH Plus (AHP) and post space preparation with ultrasonic cleaning, A2: gutta-percha + BIOC and post space preparation with ultrasonic cleaning, B1: gutta-percha + AHP and post space preparation, B2: gutta-percha + BIOC and post space preparation, C: control group. Fiber posts were cemented with a self-adhesive luting material, and 1 mm thick slices were sectioned from the middle and cervical third to evaluate the remaining filling material microscopically. The samples were subjected to a push-out test to analyze the bond strength of the fiber post, and the results were analyzed with the Shapiro-Wilk, Bonferroni, Kruskal-Wallis, and Mann-Whitney tests (p < 0.05). Failure modes were evaluated using optical microscopy. Results: The results showed that the fiber posts cemented in canals sealed with BIOC had lower bond strength than those sealed with AHP. The ultrasonic cleaning of the post space improved the bond strength of fiber posts in canals sealed with AHP, but not with BIOC. Conclusions: BIOC decreased the bond strength of fiber posts in oval canals, regardless of ultrasonic cleaning.
New Therapeutic Options for Autism Spectrum Disorder: Experimental Evidences
Olga Peñagarikano 한국뇌신경과학회 2015 Experimental Neurobiology Vol.24 No.4
Autism spectrum disorder (ASD) is characterized by impairment in two behavioral domains: social interaction/communication together with the presence of stereotyped behaviors and restricted interests. The heterogeneity in the phenotype among patients and the complex etiology of the disorder have long impeded the advancement of the development of successful pharmacotherapies. However, in the recent years, the integration of findings of multiple levels of research, from human genetics to mouse models, have made considerable progress towards the understanding of ASD pathophysiology, allowing the development of more effective targeted drug therapies. The present review discusses the current state of pharmacological research in ASD based on the emerging common pathophysiology signature.
Master-Slave Teleoperation of Underactuated Mechanical Systems with Communication Delays
Ollin Peñaloza-Mejía,Luis A. Márquez-Martínez,Jaime Alvarez-Gallegos,Joaquín Alvarez 제어·로봇·시스템학회 2017 International Journal of Control, Automation, and Vol.15 No.2
This paper addresses the control problem of master-slave teleoperation of a class of underactuated mechanicalsystems with communication delays. The core of the proposed solution introduces a suitable couplingmatrix, so the complete error dynamics is written in a linear part, and a nonlinear one, for which the matchingcondition is satisfied. Then, from this representation, discontinuous causal controllers are designed to achieve bilateralcoordination in force and position. The proposal is valid for underactuated manipulators with second-ordernon-holonomic constraints, and represents, to our best knowledge, a contribution in teleoperation systems wherethese mechanisms have been barely considered. Numerical simulations and real-time experiments developed overthe Internet are provided to show the effectiveness of the proposed control scheme.