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Self-Synchronizing On-Off-Keying Visible Light Communication System For Intra- and Inter-Vehicle Data Transmission
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Achari, S.

; Yang, A.Y.

; Goodhead, J.

; Swanepoel, B.

; Cheng, L.

SAIEE Africa Research Journal

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mar 2024, Volume 115 N. 1 Pages 4 - 15

Abstract: En | Text: En | PDF: En

Visible light communication is a present technology which allows data to be transmitted by modulating information onto a light source. It has many advantages over traditional radio frequency communication and up to 10,000 times larger bandwidth. Many existing research in visible light communication assumes a synchronized channel, however, this is not always easily achieved. This paper proposes a novel synchronized VLC system with the potential to ensure reliable communication in both intra- and inter-vehicle communication. The protocol achieves synchronization at the symbol level using the transistor-transistor logic protocol and achieves frame synchronizations with markers. Consequently, the deployment of the system in both intra- and inter-vehicle communication may present numerous advantages over existing data transmission processes. A practical application where visible light communication is used for media streaming is also previewed. In addition, various regions of possible data transmission are determined to infer forward error correction schemes to ensure reliable communication.

Numerical simulation of the electromagnetic field in the secondary cooling zone of arc-shaped slabs
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Yang, B.

; Ren, Y.

Journal of the Southern African Institute of Mining and Metallurgy

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mar 2024, Volume 124 N. 3 Pages 133 - 138

Abstract: En | Text: En | PDF: En

The magnetic field characteristics due to electromagnetic stirring in the secondary cooling zone of an extra-thick slab during continuous casting are numerically determined using Maxwell's equations, with particular emphasis on the distribution of magnetic induction intensity and electromagnetic force, as well as the influence of process parameters on the magnetic field. The orientation of the electromagnetic force is the same when the electromagnetic stirrers at the 30° and 60° posistions of the arc-shaped slab are powered in the same direction; otherwise, the orientation is opposite. The magnetic induction at the centre of the section of the stirrer's central axis at the 30° positio, as well as the current, frequency, and fitting formulae, are as follows: B = {0.075I(1/A)-0.3} mT and B = {-1.75f(1/Hz)+22} mT. The electromagnetic force and current fitting formula at the central point of the B-B section is F = {0.03168I²(1/A²)-03.762I(1/A)+326.7} N/m³, and the fitting formula of electromagnetic force and frequency at the centre point is divided into two segments. The first takes the form of a parabola: = {-21((f-4.3)-(1/Hz)²)+970} N/m³, and the second segment is negative linear: F = {-1.65f(1/Hz)+51.5} N/m³.

https://doi.org/10.17159/2411-9717/3252/2024

A new species of the extant genus Bulasconotus from mid Cretaceous Kachin amber (Coleoptera: Zopheridae: Colydiinae) Coleoptera (Coleoptera Zopheridae Colydiinae
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Li, Yan‑Da

; Jin, Zhen‑Yu

; Ślipiński, Adam

; Huang, Di‑Ying

; Cai, Chen‑Yang

Papéis Avulsos de Zoologia

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2024, Volume 64 elocation e202464015

Abstract: En | Text: En | PDF: En

Abstract A fossil species of the extant colydiine genus Bulasconotus Ślipiński & Lawrence, B. carinisternus Li, Ślipiński & Cai sp. nov., is reported from mid-Cretaceous Kachin amber of northern Myanmar. The new species shares with extant Bulasconotus the 3 segmented antennal club, externally open procoxal cavities, and similar sculpture on the pronotum and elytra, but could be recognized by the medially carinated prosternal process. The present discovery provides a valuable example of morphological stasis in the cylindrical bark beetles. Lawrence B Li sp nov nov. midCretaceous mid Cretaceous Myanmar club cavities elytra process beetles

https://doi.org/10.11606/1807-0205/2024.64.015

Un diálogo íntimo entre raza y género en el Centenario del Sufragio Femenino
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Yang, Mimi

Revista Espiga

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dec 2023, Volume 22 N. 46 Pages 1 - 34

Abstract: En Es Fr | Text: En Es Fr | PDF: En | PDF: Es | PDF: Fr

Abstract Women’s Suffrage Centennial has arrived in a culturally divisive time in the United States as well as in a high-stakes presidential election year. All this is accompanied with the emergence of «Black Lives Matter» movement on a global-scale in the wake of the African American man George Floyd’s death under the knees of white police officers. In an «I cannot breathe» America at a new cultural awakening moment, is the Centennial a divider or unifier for American women in 2020? This article aims to answer the question by revisiting the 14th and 15th Amendments to the Constitution and iconic figures like Elizabeth Cady Stanton, Susan B. Anthony, Frederick Douglass, William Edward Burghardt W.E.B. Du Bois, and Mary Church Terrell. In an interdisciplinary approach anchored in both historical and cultural studies, the article scrutinizes the split between the two visceral elements pertinent to cultural identity -gender and race- in Women’s Suffrage Movement, draws a pattern of their intersection, and maps out a «double consciousness» (to borrow W.E.B. Du Bois’ term). The article argues that the women’s suffrage movement was indeed a gigantic step towards the American ideal of gender equality, but it fell short of racial equality. There is a mixed legacy to embrace and to reevaluate at the same time. Therefore, Women’s Suffrage Centennial should not and cannot be a single-issue gender celebration, nor a one-size-fits-all symphony, but a landmark occasion for an intimate and nuanced dialog between gender and race. The article suggests that the Centennial should not only celebrate white American suffragists but should be an opportunity to make a historic step to cross the color line that has cutoff African American women, as well as women of color from other races, ethnicities, and heritages from the power center.

Resumen El Centenario del Sufragio Femenino ha llegado en un momento culturalmente divisivo en los Estados Unidos, así como en un año de elecciones presidenciales de alto riesgo. Todo esto va acompañado del surgimiento del movimiento «Black Lives Matter» (La vida de las personas negras importa) a escala mundial tras la muerte del afroamericano George Floyd bajo las rodillas de policías blancos. En una Estados Unidos de América en la que «no puedo respirar» es un nuevo momento de despertar cultural ¿Es el Centenario un divisor o unificador para las mujeres estadounidenses en 2020? Este artículo tiene como objetivo responder a la pregunta a partir de la revisión de las Enmiendas 14 y 15 a la Constitución y del pensamiento de figuras icónicas como Elizabeth Cady Stanton, Susan B. Anthony, Frederick Douglass, William Edward Burghardt Du Bois y Mary Church Terrell. Con un enfoque interdisciplinario anclado en los estudios históricos y culturales, el artículo analiza la división entre los dos elementos viscerales pertinentes a la identidad cultural (género y raza2) en el Movimiento por el Sufragio de la Mujer, dibuja un patrón de su intersección y traza una «doble conciencia» (tomando prestado el término de W.E.B. Du Bois). El artículo argumenta que el movimiento por el sufragio femenino fue de hecho un paso gigantesco hacia el ideal estadounidense de igualdad de género, pero no alcanzó la igualdad racial. Hay un legado mixto para abrazar y reevaluar al mismo tiempo; por lo tanto, el Centenario del Sufragio Femenino no debe ni puede ser una celebración de un solo tema de género, ni una sinfonía única para todos, sino una ocasión histórica para un diálogo íntimo y matizado entre género y raza. El artículo sugiere que el Centenario no solo debe celebrar a las sufragistas estadounidenses blancas, sino que debe ser una oportunidad para dar un paso histórico para cruzar la línea de color que ha aislado a las mujeres afroamericanas, así como a las mujeres de color de otras razas, etnias y herencias del centro de poder.

Résumé Le centenaire du suffrage des femmes est arrivé dans un moment culturellement décisif dans les États-Unis, ainsi que à un an des élections présidentielles à haut risque. Tout ceci est aussi accompagné de l’émergence du mouvement «Black Lives Matter» (La vie des noirs compte) à échelle mondial après la mort de l’afro-américain George Floyd sous les genoux des policiers blancs. Dans ces États-Unis d’Amérique où «je ne peux pas» respirer, c’est un nouveau moment d’éveil culturel. ¿Est-ce que le centenaire est un séparateur ou un unificateur des femmes américaines en 2020? Cet article vise à répondre cette question à partir de la révision des amendements 14 et 15 de la Constitution, ainsi que de la pensée des figures iconiques telles que Elizabeth Cady Stanton, Susan B. Anthony, Frederick Douglass, William Edward Burghardt Du Bois et Mary Church Terrell. Sous une approche interdisciplinaire ancrée dans les études historiques et culturelles, l’article analyse la séparation des deux éléments viscéraux pertinents à l’identité culturel (le genre et la race) dans le Mouvement pour le Suffrage des Femmes; cette dite séparation dessine un patron de leur intersection et en même temps trace «une double conscience» (terme emprunté de W.E.B Du Bois). L’article argumente que le mouvement du suffrage des femmes a été, en effet, un pas immense vers l’idéal américain d’égalité de genre mais il n’a pas atteint l’égalité raciale. Alors, il y a un héritage mixte pour embrasser et réévaluer en même temps; c’est pourquoi le centenaire du suffrage des femmes ne doit ni ne peut être une célébration du genre comme un seul sujet, non plus comme une seule symphonie unique pour tous; au contraire, elle est une occasion historique pour un dialogue intime et combiné entre le genre et la race. Finalement, cet article suggère que le Centenaire de doit pas seulement célébrer les Suffragettes américaines blanches, sinon qu’elle doit être une opportunité pour donner un pas historique et traverser la ligne de la couleur qui a isolé aux femmes afro-américaines, ainsi que les femmes de couleur d’autres races, ethnies et les héritages du centre du pouvoir.

https://doi.org/10.22458/re.v22i46.4854

Evaluating the Interplay between Transmissibility and Virulence of SARS-CoV-2 by Mathematical Modeling SARSCoV2 SARSCoV SARS CoV 2 SARS-CoV- SARS-CoV
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LOMBARDI JUNIOR, L. P.

; YANG, H. M.

; SPIRA, B.

; YANG, A. C.

Trends in Computational and Applied Mathematics

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oct 2023, Volume 24 N. 4 Pages 595 - 616

Abstract: En | Text: En | PDF: En

ABSTRACT During the first months of 2020 SARS-CoV-2 spread to all continents, virtually reaching all countries. In the subsequent months, new variants emerged in different regions of the world. A mathematical model based on the Covid-19 natural history encompassing the age-dependent fatality was applied to evaluate SARS-CoV-2 transmissibility and virulence. Transmissibility was assessed by calculating the basic reproduction number R 0 and virulence by counting the proportion of severe Covid-19 cases and deaths. The model parameters were adjusted against the data observed in the state of São Paulo, Brazil, considering two different levels of virulence. The severe Covid-19 cases and deaths were three times higher and R 0 was 25% lower when the more virulent SARS-CoV-2 variant was compared to the less virulent variant. However, under the high-virulence scenario the number of transmitting individuals is 25% lower, mainly due to the isolation of symptomatic individuals. The corollary that transmission increases in the low virulence scenario is also true. The estimated parameters, using data from São Paulo up to May 13, 2020, showed that the Covid-19 epidemic predicted with low virulence SARS-CoV-2 transmission matched the observed data just before the beginning of the relaxation, which occurred by mid-June 2020. The assessment of the interplay between transmissibility can be applied to explain in somehow the appearance of gamma and omicron variants of concern in São Paulo. 202 SARSCoV2 SARSCoV SARS CoV 2 SARS-CoV- continents countries world Covid19 Covid 19 Covid-1 agedependent age dependent Brazil 25 However highvirulence high true 13 relaxation midJune mid June 20 SARS-CoV Covid1 1 Covid-

https://doi.org/10.5540/tcam.2023.024.04.00595

STRENGTH TRAINING EFFECTS ON LOWER LIMB EXPLOSIVE POWER IN ATHLETES
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Yang, Kai

Revista Brasileira de Medicina do Esporte

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2023, Volume 29 elocation e2022_0592

Abstract: Es Pt En | Text: Es Pt En | PDF: Es | PDF: Pt | PDF: En

RESUMEN Introducción: En las pruebas de atletismo, la fuerza generada por la carrera, el salto y el lanzamiento parte de las extremidades inferiores y se transmite de abajo a arriba, formando finalmente una cadena dinámica completa. Objetivo: Estudiar el efecto de diferentes métodos combinados de entrenamiento de la fuerza sobre la fuerza explosiva de los miembros inferiores de los atletas de atletismo. Métodos: Se seleccionaron veinte miembros del equipo de atletismo como sujetos de investigación y se dividieron en dos grupos, A y B. El grupo A realizó el método de entrenamiento de resistencia máxima, y el grupo B realizó el método de entrenamiento de resistencia submáxima, y se sometió a 12 semanas de diferentes entrenamientos de fuerza combinados. Resultados: Después de 12 semanas de entrenamiento, hubo una diferencia significativa en los resultados de los dos grupos de estudiantes en la carrera de aproximación (hombre P=0,034, mujer P=0,021), y los resultados del grupo experimental B mejoraron significativamente. Conclusión: El método de entrenamiento de resistencia máxima puede mejorar de forma más eficaz el rendimiento explosivo de los miembros inferiores de los practicantes de atletismo. Nivel de evidencia II; Estudios terapéuticos - investigación de los resultados del tratamiento. Introducción arriba completa Objetivo Métodos submáxima 1 Resultados hombre P0034 P 0 034 P=0,034 P=0,021, P0021 P=0,021 , 021 P=0,021) significativamente Conclusión II tratamiento P003 03 P=0,03 P002 P=0,02 02 P00 P=0,0 P0 P=0, P=0 P=

RESUMO Introdução: Em eventos de atletismo, a força gerada pela corrida, salto e arremesso parte dos membros inferiores e é transmitida de baixo para cima, finalmente formando uma cadeia dinâmica completa. Objetivo: Estudar o efeito de diferentes métodos combinados de treinamento de força sobre a força explosiva dos membros inferiores dos esportistas de atletismo. Métodos: Foram selecionados 20 membros da equipe de atletismo como objetos de pesquisa e divididos em dois grupos, A e B. O grupo A realizou o método de treinamento de resistência máxima, e o grupo B realizou o método de treinamento de resistência submáxima, sendo submetidos a 12 semanas de diferentes treinamentos de força combinados. Resultados: Após 12 semanas de treinamento, houve uma diferença significativa nos resultados dos dois grupos de estudantes na corrida de aproximação (masculino P=0,034, feminino P=0,021), e os resultados do grupo experimental B melhoraram significativamente. Conclusão: O método de treinamento de resistência máxima pode melhorar de forma mais eficaz o desempenho explosivo dos membros inferiores dos praticantes de atletismo. Nível de evidência II; Estudos terapêuticos - investigação dos resultados do tratamento. Introdução cima completa Objetivo Métodos 2 submáxima 1 Resultados masculino P0034 P 0 034 P=0,034 P=0,021, P0021 P=0,021 , 021 P=0,021) significativamente Conclusão II tratamento P003 03 P=0,03 P002 P=0,02 02 P00 P=0,0 P0 P=0, P=0 P=

ABSTRACT Introduction: In track and field events, the force generated by running, jumping, and throwing starts from the lower limbs and is transmitted from bottom to top, forming a complete dynamic chain. Objective: Study the effect of different combined strength training methods on the explosive strength of the lower limbs of track and field athletes. Methods: Twenty members of the track and field team were selected as research subjects and divided into two groups, A and B. Group A performed the maximum resistance training method, and group B performed the submaximal resistance training method and underwent 12 weeks of different combined strength training. Results: After 12 weeks of training, there was a significant difference in the results of the two groups of students in the approach run (male P=0.034, female P=0.021), and the results of experimental group B improved significantly. Conclusion: The maximum resistance training method can most effectively improve the explosive performance of the lower limbs of track and field practitioners. Level of evidence II; Therapeutic studies - investigation of treatment outcomes. Introduction events running jumping top chain Objective athletes Methods 1 Results male P0034 P 0 034 P=0.034 P=0.021, P0021 P=0.021 , 021 P=0.021) significantly Conclusion practitioners II outcomes P003 03 P=0.03 P002 P=0.02 02 P00 P=0.0 P0 P=0. P=0 P=

https://doi.org/10.1590/1517-8692202329012022_0592

Risk of malignancy and diagnostic accuracy of fine-needle aspiration biopsy in thyroid nodules with diameters greater than 4 centimeters fineneedle fine needle
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Barcelos, Rafaela N.

; Camacho, Cléber P.

; Mamone, Maria da Conceição de O. C.

; Ikejiri, Elza S.

; Vanderlei, Felipe A. B.

; Yang, Ji H.

; Padovani, Rosália P.

; Martins, Leandro A. L.

; Biscolla, Rosa Paula M.

; Macellaro, Danielle

; Lindsey, Susan C.

; Maciel, Rui M. B.

; Martins, João Roberto M.

Archives of Endocrinology and Metabolism

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2023, Volume 67 N. 6 elocation e000644

Abstract: En | Text: En | PDF: En

ABSTRACT Objective: The risk of malignancy and diagnostic accuracy of fine-needle aspiration biopsy (FNAB) of thyroid nodules (TN) with diameters ≥ 3-4 cm remains controversial. However, some groups have indicated surgical treatment in these patients regardless of the FNAB results. We aimed to evaluate the diagnostic accuracy of the FNAB in systematically resected ≥4 cm TN and if the risk of malignancy is higher in these patients. Subjects and methods: We retrospectively evaluated 138 patients (142 nodules) with TN with diameters ≥4 cm who underwent thyroidectomy. Results: The FNAB results were nondiagnostic/unsatisfactory (ND/UNS) in 2.1% of the cases and benign in 51.4%. They indicated atypia of undetermined significance/follicular lesion of undetermined significance (AUS/FLUS) in 23.9% of cases, follicular neoplasia/suspicious for a follicular neoplasm (FN/SFN) in 9.2%, suspicion of malignancy (SUS) in 8.5%, and malignant in 4.9%. The histopathological analysis after thyroidectomy revealed a thyroid cancer rate of 100% in the FNABs classified as malignant, 33.3% in SUS cases, 7.7% in FN/SFN, 17.6% in AUS/FLUS, and 4.1% in benign FNABs. None of the ND/UNS FNABs were malignant. The global malignancy diagnosis was 14.8% (n = 21). However, the rate of false negatives for FNAB was low (4.1%). Conclusion: We showed that the risk of malignancy in nodules with diameters ≥4 cm was higher compared to the risk of thyroid cancer in TN in general. However, we found a low rate of false-negative cytological results; therefore, our data do not justify the orientation of routine resection for these larger nodules. Objective fineneedle fine needle (FNAB (TN 34 3 4 3- controversial However methods 13 142 (14 Results nondiagnosticunsatisfactory nondiagnostic unsatisfactory NDUNS ND UNS (ND/UNS 21 2 1 2.1 514 51 51.4% significancefollicular AUS/FLUS AUSFLUS AUS FLUS (AUS/FLUS 239 23 9 23.9 neoplasiasuspicious neoplasia suspicious FN/SFN FNSFN FN SFN (FN/SFN 92 9.2% (SUS 85 8 5 8.5% 49 4.9% 100 333 33 33.3 77 7 7.7 176 17 6 17.6 41 4.1 148 14 14.8 n 21. . 21) 4.1%. (4.1%) Conclusion general falsenegative negative therefore (1 2. 51.4 23. 9.2 8.5 4.9 10 33. 7. 17. 4. 14. (4.1% ( 51. 9. 8. (4.1 (4. (4

https://doi.org/10.20945/2359-3997000000644

Effect of pressure-assisted thermal sterilization combining with ε-polylysine on Bacillus subtilis spore proteins, nucleic acids and other intraspore substances pressureassisted pressure assisted εpolylysine ε polylysine proteins
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XIN, Weishan

; ZHANG, Zhong

; CHEN, Le

; BI, Ke

; ZHANG, Bianfei

; LIU, Yue

; YANG, Jie

Food Science and Technology

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2023, Volume 43 elocation e15022

Abstract: En | Text: En | PDF: En

Abstract Pressure-assisted thermal sterilization (PATS) is a new technology to inactivate bacterial spores and ensure food safety. Little has been known about the effects of PATS combining with ε-PL on the spore’s nucleic acid, enzymes and other key substances. This study aimed to investigate the inactivation effect of PATS combining with ε-PL on the spores of B. subtilis. The spores were treated with pressure 600 MPa at 25 °C, 65 °C and 75 °C, and ε-PL at 0.1% and 0.3%. After treatment, the survival rate of B. subtilis spores, leakage of nucleic acid and protein, the change in the cell membrane ATPase activity, the leakage of dipicolinic acid, and the damage on protein and nucleic acid of the spores were determined. The results showed that PATS combining with ε-PL inactivated more spores, and significantly increased the release of protein and nucleic acid compared to the control. ATPase activity reached the lowest value after the treatment of 600 MPa/75 °C combining with 0.3% ε-PL. The release of dipicolinic acid from the spores was increased by 600 MPa/75 °C combining with 0.3% ε-PL as compared with 600 MPa/75 °C treatment alone. FTIR analysis showed that a combination of PATS with ε-PL changed the spectral features of B. subtilis functional groups of proteins and nucleic acids. The PATS treatments when combined with ε-PL were found to shift the symmetric and antisymmetric stretching vibrational absorption peaks of phosphodiester group in nucleic acid molecules (P=O). This change suggested that the combined treatment denatured nucleic acid. The combined treatment also changed the protein from an ordered state to a disordered state, and decreased protein stability. The results improved our understanding on the principle of spore inactivation by PATS combining with ε-PL. Pressureassisted Pressure assisted (PATS safety εPL ε PL s substances B 60 2 C 6 7 01 0 1 0.1 03 3 determined control MPa75 MPa/7 0.3 εPL. PL. alone acids P=O. PO P=O . P O (P=O) stability 0. MPa7 MPa/ (P=O

https://doi.org/10.1590/fst.15022

Comparison of different local analgesia protocols in postoperative pain management after total knee arthroplasty
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Wang, Yang

; Li, Guoqing

; Momin, Muhtar

; Ji, Baochao

; Cao, Li

; Aisikeerbayi, Aishajiang

Brazilian Journal of Anesthesiology

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apr 2022, Volume 72 N. 2 Pages 267 - 273

Abstract: En | Text: En | PDF: En

Abstract Objectives This study was to compare the effects of different local analgesia protocols on osteoarthritis patients undergoing total knee arthroplasty (TKA). Methods Medical records of 148 osteoarthritis patients who underwent unilateral TKA between October 2016 and October 2017 in our hospital were retrospectively analyzed. All these patients were divided into three groups according to the pain management protocol (morphine, morphine + cocktail [100 mg ropivacaine, 10 mg morphine, and 30 mL 0.9% sodium chloride solution containing 2 mL betamethasone (4 mg)], or cocktail). The postoperative visual analog scale (VAS) score, muscle strength, and complications were compared between the groups. Results At 6 and 12 hours post-operation, the VAS score in group C was significantly higher than that in group A or group B. In addition, the muscle (quadriceps femoris) strength score of group C (3.7 ± 2.8) was significantly higher than that in groups A and B at 6 and 12 hours post-operation. The VAS score and muscle strength score showed no significant differences among the three groups at 24 and 36 hours post-operation. The time of postoperative first void of group C was significantly shorter than that of groups A and B. Groups A or B had a significantly higher incidence of nausea and emesis compared with group C. The incidence of pruritus was higher in groups A or B than that in group C. Conclusion Epidural anesthesia combined with local analgesic cocktail injection is a preferable effective multimodal analgesia for TKA.

https://doi.org/10.1016/j.bjane.2020.12.020

10.

Screening and characterization of a salt-tolerant aflatoxin B1-degrading strain isolated from Doubanjiang, a Chinese typical red pepper paste
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ZHAO, Chi

; DONG, Ling

; ZHANG, Fengju

; LUO, Yongliang

; YANG, Zebo

; ZHANG, Xiaoping

; LI, Zhihua

Food Science and Technology

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2022, Volume 42 elocation e122621

Abstract: En | Text: En | PDF: En

Abstract Aflatoxin B1 (AFB1) is a carcinogenic mycotoxin present in many foods, posing a serious human health problem. Oriental high-salt fermented foods are highly susceptible to AFB1 contamination due to their production process and condition. Therefore, it is necessary to isolate microbial resources that can remove AFB1 in a high-salt condition. In the current study, forty-nine salt-tolerant microorganisms with the ability to remove AFB1 were isolated from Doubanjiang, a Chinese typical high-salt red pepper paste. Among them, Bacillus velezensis AD8 had the highest removal rate of AFB1. The AFB1 removal activity of B. velezensis AD8 was mainly attributed to culture supernatant, and it was sensitive to sodium dodecyl sulfate (SDS) or/and proteinase-K treatment, which indicated that extracellular enzyme contributed to the degradation of AFB1. The optimal incubation time, pH value and NaCl concentration of the initial medium for degradation of AFB1 by the B. velezensis AD8 were investigated. In addition, the AFB1 concentration had no significant effect on degradation activity. The addition of nitrogen source, Mg2+ and Mn2+ stimulated degradation rate, whereas addition of carbon source, Zn2+ and Fe2+ inhibited degradation. Thus, B. velezensis AD8 might be a potential candidate to degrade AFB1 in high-salt food matrices.

https://doi.org/10.1590/fst.122621

11.

THE INFLUENCE OF PUBLIC PHYSICAL EDUCATION CURRICULUM ON COLLEGE STUDENTS' PHYSICAL HEALTH
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Yang, Youfeng

; Liu, Wei

Revista Brasileira de Medicina do Esporte

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mar 2021, Volume 27 N. spe Pages 83 - 86

Abstract: Pt En Es | Text: Pt En Es | PDF: Pt | PDF: En | PDF: Es

RESUMO É particularmente importante melhorar a qualidade dos programas de educação física e o nível geral de saúde dos estudantes universitários. É difícil obter uma avaliação abrangente do método de avaliação inicial do nível de saúde física dos estudantes. Por conseguinte, este estudo combinou o processo hierárquico analítico (AHP) e o modo de condicionamento físico para construir um modelo universitário de avaliação da saúde física. Tendo a Universidade X como objeto experimental, vinte estudantes de diferentes especializações do período de 2019 foram selecionados como objetos experimentais. Um grupo ( de dez estudantes) adotou o modo de educação física original, e o outro grupo (de dez estudantes) integrou o condicionamento físico no currículo de educação física. Utilizando o modelo estabelecido de avaliação da saúde, as pontuações de avaliação do nível de saúde física de dois grupos de estudantes universitários antes e depois do experimento foram exaustivamente analisadas. Os resultados mostraram que a pontuação global do nível de saúde física de um grupo de estudantes aumentou. A taxa de aumento foi de 2.87%. No entanto, não houve alterações significativas nas pontuações da avaliação para a saúde física dos estudantes do grupo B. Os resultados mostram que o condicionamento físico no currículo público de educação física pode contribuir efetivamente para melhorar o nível geral de saúde dos estudantes, e também mostra que a introdução do processo hierárquico analítico (AHP) na avaliação do nível de saúde física dos estudantes universitários pode melhorar a abrangência da análise do nível de saúde. Espera-se que este estudo possa fornecer uma referência para o ensino de educação física nos colégios e universidades a fim de melhorar o nível de ensino geral das universidades.

ABSTRACT It is particularly important to improve the quality of physical education curriculum and the overall health level of college students. It is difficult to achieve a comprehensive evaluation of the original evaluation method of students' physical health level. Therefore, this study combined the analytic hierarchy process (AHP) and physical fitness training mode to build a university physical health evaluation model. Taking X University as the experimental background, 20 students of different majors in grade 2019 were selected as experimental objects. One group (10 students) adopted the original physical education curriculum mode, and the other group (10 students) integrated physical fitness training into the physical education curriculum. Using the established health evaluation model, the evaluation scores of physical health level of two groups of college students before and after the experiment were comprehensively analyzed. The results showed that the overall score of group A students' physical health level increased; the rising rate was 2.87%. However, there was no significant change in the scores of physical health assessment of group B students. The results show that physical fitness training into the public physical education curriculum can effectively help improve the overall health level of students, and also shows that the introduction of AHP into the evaluation of College Students' physical health level can improve the comprehensiveness of health level analysis. It is hoped that this study can provide some reference for physical education teaching in Colleges and universities, so as to improve the overall teaching level of colleges and universities.

RESUMEN Es particularmente importante mejorar la calidad del plan de estudios de educación física y el nivel de salud general de los estudiantes universitarios. Es difícil lograr un análisis integral del método de evaluación original del nivel de salud física de los estudiantes. Por lo tanto, este estudio combinó el proceso de jerarquía analítica (PJA) y el modo de entrenamiento de aptitud física para construir un modelo universitario de evaluación de la salud física. Tomando la Universidad X como base experimental, se seleccionaron como sujetos experimentales 20 estudiantes de diferentes carreras en los cursos de 2019. Un grupo (10 estudiantes) adoptó el modo de plan de estudios de educación física original y el otro grupo (10 estudiantes) integró el entrenamiento de aptitud física en el plan de estudios de educación física. Utilizando el modelo de evaluación de salud establecido, se analizaron exhaustivamente los puntajes de evaluación del nivel de salud física de los dos grupos de estudiantes universitarios antes y después del experimento. Los resultados mostraron que el puntaje general del nivel de salud física de los estudiantes del grupo A aumentó; la tasa de incremento fue del 2,87%. Sin embargo, no hubo cambios significativos en las puntuaciones de la evaluación de la salud física de los estudiantes del grupo B. Los resultados muestran que el entrenamiento de la aptitud física en el plan de estudios público de educación física puede ayudar de manera efectiva a mejorar el nivel de salud general de los estudiantes y también muestra que la introducción de PJA en la evaluación del nivel de salud física de los estudiantes universitarios puede mejorar la precisión del análisis del nivel de salud. Esperamos que este estudio pueda proporcionar una referencia para la enseñanza de la educación física en los colegios y universidades, a fin de mejorar su nivel general en estos establecimientos.

https://doi.org/10.1590/1517-8692202127012020_0099 634 downloads

12.

Baryon Acoustic Oscillations from Integrated Neutral Gas Observations: an instrument to observe the 21cm hydrogen line in the redshift range 0.13 < z < 0.45 – status update
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WUENSCHE, CARLOS A.

; ABDALLA, ELCIO

; ABDALLA, FILIPE

; BAROSI, LUCIANO

; WANG, BIN

; AN, RUI

; BARRETOS, JOÃO A. M.

; BATTYE, RICHARD

; BRITO, FRANCISCO A.

; BROWNE, IAN

; CORREIA, DANIEL

; COSTA, ANDRÉ A.

; DELABROUILLE, JACQUES

; DICKINSON, CLIVE

; FENG, CHANG

; FERREIRA, ELISA G. M.

; FORNAZIER, KARIN

; DE GASPERIS, GIANCARLO

; GUTIERREZ, PRISCILA

; HARPER, STUART

; LANDIM, RICARDO G.

; LICCARDO, VINCENZO

; MA, YIN-ZHE

; MACHADO, TELMO

; MAFFEI, BRUNO

; MARINS, ALESSANDRO

; MENDES, MILENA M. M.

; MERICIA, EDUARDO

; MONSTEIN, CHRISTIAN

; MOTTA, PABLO

; NOVAES, CAMILA

; OTOBONE, CARLOS H.

; PEEL, MICHAEL

; QUEIROZ, AMILCAR R.

; RADCLIFFE, CHRISTOPHER

; REMAZEILLES, MATHIEU

; RIBEIRO, RAFAEL M. G.

; SANG, YU

; SANTOS, JULIANA F. R.

; SANTOS, LARISSA

; SANTOS, MARCELO. V.

; SHAN, CHENXI

; SILVA, GUSTAVO B.

; VIEIRA, FREDERICO

; VIEIRA, JORDANY

; VILLELA, THYRSO

; XIAO, LINFENG

; YANG, WEIQIANG

; ZHANG, JIAJUN

; ZHANG, XUE

; ZHU, ZENGHAO

Anais da Academia Brasileira de Ciências

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2021, Volume 93 elocation e20201096

Abstract: En | Text: En | PDF: En

Abstract BINGO (BAO from Integrated Neutral Gas Observations) is a unique radio telescope designed to map the intensity of neutral hydrogen distribution at cosmological distances, making the first detection of Baryon Acoustic Oscillations (BAO) in the frequency band 980 MHz - 1260 MHz, corresponding to a redshift range 0.127 < z < 0.449. BAO is one of the most powerful probes of cosmological parameters and BINGO was designed to detect the BAO signal to a level that makes it possible to put new constraints on the equation of state of dark energy. The telescope will be built in Paraíba, Brazil and consists of two \thicksim 40m mirrors, a feedhorn array of 50 horns, and no moving parts, working as a drift-scan instrument. It will cover a 15 ^{\circ} ∘ declination strip centered at \sim \delta ∼ δ =-15 ^{\circ} ∘, mapping \sim ∼ 5400 square degrees in the sky. The BINGO consortium is led by University of São Paulo with co-leadership at National Institute for Space Research and Campina Grande Federal University (Brazil). Telescope subsystems have already been fabricated and tested, and the dish and structure fabrication are expected to start in late 2020, as well as the road and terrain preparation.

https://doi.org/10.1590/0001-3765202120201096 413 downloads

13.

Revisiting the morphology and systematic placement of the enigmatic Cretaceous ommatid beetle Bukhkalius lindae (Coleoptera: Archostemata: Ommatidae)
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Li, Yan-Da

; Huang, Di-Ying

; Cai, Chen-Yang

Papéis Avulsos de Zoologia

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2021, Volume 61 elocation e20216128

Abstract: En | Text: En | PDF: En

Abstract The systematic position of Bukhkalius lindae (Jarzembowski et al. 2017) from mid-Cretaceous Burmese amber is revised based on a re-examination of the type specimen. Our observations confirm that B. lindae lacks unique apomorphies of Tetraphalerus Waterhouse, in which it was originally placed, including complete antennal grooves and mushroom-shaped micro-tubercles. It is well justified to place it into a separate genus, i.e., Bukhkalius Kirejtshuk & Jarzembowski, 2020. The incomplete but distinct antennal grooves and the Tetraphalerus-like mouthparts of B. lindae suggest that it has a close affinity to Tetraphalerus. Therefore, B. lindae may represent a missing link bridging the morphological gap between extant ommatid subfamilies Tetraphalerinae and Ommatinae.

https://doi.org/10.11606/1807-0205/2021.61.28 288 downloads

14.

Actualización terapéutica de la queratopatía bullosa pseudoafáquica
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Yang, Tian

; Mokey Castellanos, Miguel O.

; Álvarez Rivero, Mirta B.

Revista Cubana de Oftalmología

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mar 2020, Volume 33 N. 1 elocation e811

Abstract: En Es | Text: En Es | PDF: En | PDF: Es

ABSTRACT Pseudophakic bullous keratopathy or chronic pseudophakic corneal edema in patients undergoing cataract surgery with intraocular lens implantation is a process in which the cornea edematizes and loses optical function, with painful and irritating lacrimation symptoms, red eye, probable inflammation and corneal ulceration due to secondary infection. Sufferers of this multicausal condition are divided into two groups: In one of them structural corneal and ocular damage has been extreme and no visual improvement is expected, whereas in the other visual acuity recovery is still possible. In an attempt to heal this condition various treatments have been used with different rationales and results according to the scientific and technological development of the setting where they were applied. The present update is aimed at describing and adjusting the possible therapies that ophthalmologists may use in their respective fields of activity.

RESUMEN La queratopatía bullosa pseudoafáquica o edema corneal crónico pseudoafáquico del paciente operado por cataratas con implante de lente intraocular es un proceso en el que la córnea se edematiza y pierde su función óptica, con síntomas dolorosos e irritativos de lagrimeo, ojo rojo, probabilidad de inflamación y ulceración corneal por infección secundaria. Se observan en esta afección multicausal dos grupos de pacientes. En uno de ellos el daño estructural corneal y ocular ha sido excesivo y no existe expectativa de mejora visual. El otro grupo aún conserva la potencialidad de recuperación de la agudeza visual. En el intento de solucionar esta afección se han empleado diversos tratamientos con fundamentos diferentes y resultados acordes con el desarrollo técnico y científico en que fueron aplicados. Es propósito de esta actualización describir y adecuar las posibilidades que los oftalmólogos puedan aplicar como terapéutica en sus respectivos niveles de actuación.

15.

Extracción de cuerpo extraño penetrante corneal e intracamerular
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Mokey Castellanos, Miguel O.

; Yang, Tian

; Álvarez Rivero, Mirta B.

Revista Cubana de Oftalmología

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mar 2020, Volume 33 N. 1 elocation e812

Abstract: En Es | Text: En Es | PDF: En | PDF: Es

ABSTRACT A 56-year-old male patient attends consultation with left eye vision reduction, pain and redness. The patient has a history of essential hypertension and eye trauma caused by a wood splinter while chopping wood 37 years ago. The foreign body went in as far as the anterior chamber and remained intracorneal, since at that time it could not be totally removed. A description is provided of the surgical technique used. Scant information was found about surgical procedures to remove similar foreign bodies. Therefore, the technique herein described should be useful to treat analogous cases.

RESUMEN Paciente de 56 años quien acudió a la consulta por disminución de la visión, dolor y enrojecimiento ocular izquierdo, con antecedentes patológicos personales de hipertensión arterial esencial y antecedentes patológicos oculares de trauma ocular con fragmento de madera al cortar leña hace 37 años. El cuerpo extraño penetró hasta la cámara anterior y permaneció intracorneal, ya que en aquel momento no pudo ser removido en su totalidad. Se describe la técnica quirúrgica empleada, sobre la cual la información revisada ha sido escasa referente a los procederes quirúrgicos de remoción de cuerpos extraños semejantes, por lo que la técnica descrita debe contribuir a enfrentar futuros casos similares.

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