keyword
https://read.qxmd.com/read/38630988/self-assembly-for-creating-vertically-aligned-graphene-micro-helices-with-monolayer-graphene-as-chiral-metamaterials
#1
JOURNAL ARTICLE
Zihao Lin, Carol Mikhael, Chunhui Dai, Jeong-Hyun Cho
Graphene's emergence enables creating chiral metamaterials in helical shapes for terahertz applications, overcoming material limitations. However, practical implementation remains theoretical due to fabrication challenges. This paper introduces a dual-component self-assembly technique that enables creating vertically-aligned continuous monolayer graphene helices at microscale with great flexibility and high controllability. This assembly process not only facilitates the creation of three-dimensional (3D) microstructures, but also positions the 3D structures from a horizontal to a vertical orientation, achieving an aspect ratio (height/width) of approximately 2700...
April 17, 2024: Advanced Materials
https://read.qxmd.com/read/38630695/experimental-and-numerical-investigation-on-the-reinforced-concrete-boundary-beam-wall-system-subjected-to-axial-compression
#2
JOURNAL ARTICLE
Dae-Jin Kim, Jin-Ju Han, Seung-Il Kim
This paper proposes a reinforced concrete (RC) boundary beam-wall system that requires less construction material and a smaller floor height compared to the conventional RC transfer girder system. The structural performance of this system subjected to axial compression was evaluated by performing a structural test on four specimens of 1/2 scale. In addition, three-dimensional nonlinear finite element analysis was also performed to verify the effectiveness of the boundary beam-wall system. Three test parameters such as the lower wall length-to-upper wall length ratio, lower wall thickness, and stirrup details of the lower wall were considered...
2024: PloS One
https://read.qxmd.com/read/38630669/understanding-the-effects-of-stress-on-the-p300-response-during-naturalistic-simulation-of-heights-exposure
#3
JOURNAL ARTICLE
Howe Yuan Zhu, Hsiang-Ting Chen, Chin-Teng Lin
Stress is a prevalent bodily response universally experienced and significantly affects a person's mental and cognitive state. The P300 response is a commonly observed brain behaviour that provides insight into a person's cognitive state. Previous works have documented the effects of stress on the P300 behaviour; however, only a few have explored the performance in a mobile and naturalistic experimental setup. Our study examined the effects of stress on the human brain's P300 behaviour through a height exposure experiment that incorporates complex visual, vestibular, and proprioceptive stimuli...
2024: PloS One
https://read.qxmd.com/read/38630661/understanding-paleo-earthquakes-in-the-kuril-trench-based-on-late-holocene-tsunami-deposits-in-the-distal-region-from-wave-sources-northern-hidaka-hokkaido-japan
#4
JOURNAL ARTICLE
Ryo Nakanishi, Juichiro Ashi, Satoshi Okamura, Yusuke Yokoyama, Yosuke Miyairi
Geological evidence, such as tsunami deposits, is crucial for studying the largest rupture zone of the Kuril Trench in Hokkaido, Japan, due to its poor historical record. Although 17th-century tsunami deposits are widely distributed across Hokkaido, the presence of multiple wave sources during that period, including the collapse of Mt. Komagatake, complicates the correlation with their wave sources. Understanding the regional distribution of these tsunami deposits can provide valuable data to estimate the magnitude of megathrust earthquakes in the Kuril Trench...
2024: PloS One
https://read.qxmd.com/read/38630308/growth-after-pediatric-kidney-transplantation-a-25-year-study-in-a-pediatric-kidney-transplant-center
#5
JOURNAL ARTICLE
Ana Raquel Claro, Ana Rita Oliveira, Filipa Durão, Patrícia Costa Reis, Ana Rita Sandes, Carla Pereira, José Esteves da Silva
OBJECTIVES: Growth failure is one of the major complications of pediatric chronic kidney disease. Even after a kidney transplant (KT), up to 50 % of patients fail to achieve the expected final height. This study aimed to assess longitudinal growth after KT and identify factors influencing it. METHODS: A retrospective observational study was performed. We reviewed the clinical records of all patients who underwent KT for 25 years in a single center (n=149) and performed telephone interviews...
April 18, 2024: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://read.qxmd.com/read/38630171/tackle-risk-factors-for-head-injury-assessments-hias-in-sub-elite-rugby-league-and-recommendations-for-prevention-head-contacts-from-upright-tackles-increase-the-hia-risk-to-both-ball-carrier-and-tackler
#6
JOURNAL ARTICLE
Martin A Lang, Ross Tucker, Suzi Edwards, Grant L Iverson, Andrew J Gardner
BACKGROUND: The rugby league tackle has been identified as the game event with the greatest propensity for a clinically diagnosed concussion. This study aims to replicate the work conducted in professional rugby league and rugby union by examining Head Injury Assessment (HIA) events to determine the associated tackle characteristics that increase concussion risk in sub-elite rugby league players. This comparison between competition levels is important due to the less developed physiological and tackle proficiency characteristics of sub-elite rugby league players and the fewer resources available for an on-field diagnosis, compared to the elite level of the sport...
April 17, 2024: Sports Medicine—Open
https://read.qxmd.com/read/38630022/-%C3%A2-2-corrections-to-semiclassical-transmission-coefficients
#7
JOURNAL ARTICLE
Sameernandan Upadhyayula, Eli Pollak
The uniform semiclassical expression for the energy-dependent transmission probability through a barrier has been a staple of reaction rate theory for almost 90 years. Yet, when using the classical Euclidean action, the transmission probability is identical to 1/2 when the energy equals the barrier height since the Euclidean action vanishes at this energy. This result is generally incorrect. It also leads to an inaccurate estimate of the leading order term in an ℏ 2 n expansion of the thermal transmission coefficient...
April 17, 2024: Journal of Physical Chemistry. A
https://read.qxmd.com/read/38630021/the-efficacy-of-tranexamic-acid-in-reducing-perioperative-drainage-in-cardiac-surgery-with-cardiopulmonary-bypass
#8
JOURNAL ARTICLE
Murat Ziya Bağiş, Bişar Amaç
INTRODUCTION: Although cardiopulmonary bypass procedures remain a critical treatment option for heart disease, they come with risks, including hemorrhage. Tranexamic acid is known to reduce morbidity and mortality in surgical hemorrhage. OBJECTIVE: This study aimed to evaluate the efficacy of tranexamic acid, which is routinely used to treat hemorrhage, in decreasing the amount of intraoperative and postoperative drainage. METHOD: A total of 80 patients who underwent cardiac surgery with cardiopulmonary bypass were included in this retrospective study...
April 17, 2024: Brazilian Journal of Cardiovascular Surgery
https://read.qxmd.com/read/38629952/stacking-machine-learning-models-empowered-high-time-height-resolved-ozone-profiling-from-the-ground-to-the-stratopause-based-on-max-doas-observation
#9
JOURNAL ARTICLE
Sanbao Zhang, Shanshan Wang, Jian Zhu, Ruibin Xue, Zhiwen Jiang, Chuanqi Gu, Yuhao Yan, Bin Zhou
Ozone (O3 ) profiles are crucial for comprehending the intricate interplay among O3 sources, sinks, and transport. However, conventional O3 monitoring approaches often suffer from limitations such as low spatiotemporal resolution, high cost, and cumbersome procedures. Here, we propose a novel approach that combines multiaxis differential optical absorption spectroscopy (MAX-DOAS) and machine learning (ML) technology. This approach allows the retrieval of O3 profiles with exceptionally high temporal resolution at the minute level and vertical resolution reaching the hundred-meter scale...
April 17, 2024: Environmental Science & Technology
https://read.qxmd.com/read/38629880/highlight-of-2023-the-metabolic-symphony-orchestrating-t-cell-immunity
#10
JOURNAL ARTICLE
Lee M Booty
The significance of metabolites in orchestrating immune cells is now recognized to be on par with other key immune modulators, such as cytokines or chemokines. Seminal discoveries have now been built upon with discoveries that have acted to take the discipline to new heights, particularly in T-cell immunity. This accelerated progress has uncovered a plethora of opportunities for pharmacological intervention, with the aim of harnessing immunometabolism for refined immune modulation across several pathologies...
April 17, 2024: Immunology and Cell Biology
https://read.qxmd.com/read/38629800/effects-of-selenium-on-the-lignin-deposition-pattern-and-stem-mechanical-properties-of-alfalfa-medicago-sativa-l
#11
JOURNAL ARTICLE
Shimin Zhang, Huisen Zhu, Lei Wang, Yupeng Zhang, Huifang Cen, Tao Xu
Lignin provides structural support to plants; however, it reduces their utilization rate. According to our previous studies, selenium (Se) reduces lignin accumulation in alfalfa, but the specific mechanism involved remains unclear. Therefore, at the seedling stage, four root irrigation treatments using 2.5, 50, and 5 μmol/L sodium selenite (S-RI), selenomethionine (SS-RI), Se nanoparticles (SSS-RI), and deionized water (CK-RI) were performed. At the branching stage, four treatments of foliar spraying with the three Se fertilizers described above at a concentration of 0...
April 17, 2024: Journal of Agricultural and Food Chemistry
https://read.qxmd.com/read/38629697/revisiting-the-beyond-bmi-paradigm-in-excess-weight-diagnosis-and-management-a-call-to-action
#12
REVIEW
Maite Aguas-Ayesa, Patricia Yárnoz-Esquiroz, Carolina M Perdomo, Laura Olazarán, Isabel M Vegas-Aguilar, José Manuel García-Almeida, Javier Gómez-Ambrosi, Gema Frühbeck
Adolphe Quételet, a 19th-century Belgian sociologist and statistician, pioneered the incorporation of statistics into social sciences. He initiated the development of anthropometry since he was interested in identifying the proportions of the 'ideal man'. He devised a ratio between weight and height, originally termed the Quételet Index, and today widely known and used as the body mass index or BMI. In 1835, he demonstrated that a normal curve accommodates the distribution of human traits articulating his reasoning on human variance around the average...
April 17, 2024: European Journal of Clinical Investigation
https://read.qxmd.com/read/38629695/impact-of-dietary-moringa-oleifera-leaf-supplementation-on-gut-morphometry-behaviour-and-physiological-parameters-in-growing-male-rabbits
#13
JOURNAL ARTICLE
Seham S Hadad, Enas K Aziz, Adel Hassan Saad, Hanem El-Gendy, Nazema Abdel-Megeid, Shimaa R Masoud, Mustafa Shukry, Ayman A Swelum, Muath Q Al-Ghadi, Ahmad R Alhimaidi, Guillermo Tellez-Isaias, Mohamed E Abd El-Hack, Mohamed M A Abumnadour
Moringa oleifera (MO), a cultivated species of the Moringa, is known for its high concentration of essential nutrients that promote growth. To assess its impact on rabbits' gut morphometric, behavioural, and physiological parameters, a study was conducted using sixty growing male white New Zealand rabbits at 40 days old. The rabbits were divided into four groups and supplemented with dried MO leaves at varying levels (0%, 0.5%, 1% and 2% of body weight) for four weeks. The results revealed significant increases in organ weights, such as liver and intestinal length, and the height of intestinal villi and crypt depth in the large intestine...
April 17, 2024: Journal of Animal Physiology and Animal Nutrition
https://read.qxmd.com/read/38629564/-effects-of-biochar-on-growth-and-pollutant-accumulation-of-lettuce-in-soil-co-contaminated-with-tetracycline-and-copper
#14
JOURNAL ARTICLE
Chen-Ge Zheng, Huan-Huan Pei, Ya-Shan Zhang, Jia-Xin Li, Fen-Wu Liu, Xing-Xing Qiao, Jun-Mei Qin
Through lettuce potting experiments, the effects of different types of biochar (apple branch, corn straw, and modified sorghum straw biochar with phosphoric acid modification) on lettuce growth under tetracycline (TC) and copper (Cu) co-pollution were investigated. The results showed that compared with those under CK, the addition of biochar treatment significantly increased the plant height, root length, shoot fresh weight, and root fresh weight of lettuce ( P < 0.05). The addition of different biochars significantly increased the nitrate nitrogen, chlorophyll, and soluble protein content in lettuce physiological indicators to varying degrees, while also significantly decreasing the levels of malondialdehyde, proline content, and catalase activity...
May 8, 2024: Huan Jing Ke Xue= Huanjing Kexue
https://read.qxmd.com/read/38629131/melastomatraits-1-0-a-database-of-functional-traits-in-melastomataceae-a-large-pantropical-angiosperm-family
#15
JOURNAL ARTICLE
Marcelo Reginato, Carlos A Ordónez-Parra, João Vitor S Messeder, Vinicius L G Brito, Agnes Dellinger, Ricardo Kriebel, Camilla Marra, Lilian Melo, Tatiana Cornelissen, Lisieux Fuzessy, Patricia Sperotto, Manuela Calderón-Hernández, Tadeu J Guerra, Constantin Kopper, Carolina Mancipe-Murillo, Marco A Pizo, Juan Mauricio Posada-Herrera, Érica Hasui, Wesley R Silva, Fernando A O Silveira
The recent availability of open-access repositories of functional traits has revolutionized trait-based approaches in ecology and evolution. Nevertheless, the underrepresentation of tropical regions and lineages remains a pervasive bias in plant functional trait databases, which constrains large-scale assessments of plant ecology, evolution, and biogeography. Here, we present MelastomaTRAITs 1.0, a comprehensive and updatable database of functional traits for the pantropical Melastomataceae, the ninth-largest angiosperm family with 177 genera and more than 5800 species...
April 17, 2024: Ecology
https://read.qxmd.com/read/38629028/recent-changes-in-growth-trajectories-a-population-based-cohort-study-of-over-5-million-brazilian-children-born-between-2001-and-2014
#16
JOURNAL ARTICLE
Carolina Santiago-Vieira, Gustavo Velasquez-Melendez, Rita de Cássia Ribeiro-Silva, Elizabete de Jesus Pinto, Maurício L Barreto, Leah Li
BACKGROUND: There is limited evidence on recent trends in childhood growth trajectories in Low-/middle-income countries. We investigated how age-trajectories for height and Body Mass Index (BMI) have changed among Brazilian children born in two different time periods after 2000. METHODS: We used a population-based cohort (part of the "Cohort of 100-Million Brazilians") created by the linkage of three Brazilian administrative databases: the Cadastro Único of the Federal Government, the National System of Live Births and the National Nutritional and Food Surveillance System...
April 2024: Lancet Reg Health Am
https://read.qxmd.com/read/38628998/myoclonus-dystonia-plus-syndrome-with-early-onset-multiple-cerebral-cavernous-malformation-type-1-and-growth-hormone-deficiency-associated-with-novel-7q21-13-q21-3-deletion-a-pediatric-case-report
#17
Kohei Matsubara, Ichiro Kuki, Yuki Yamada, Jun Mori, Shin Okazaki
Myoclonus-dystonia syndrome (MDS) presents with both rapid myoclonus and dystonia, which is caused by mutations in the sarcoglycan (SGCE) gene. However, its complications and management remain unclear. Here, we report a case involving a girl with MDS due to a 7q21.13-q21.3 microdeletion complicated by early-onset multiple cerebral cavernous malformations (CCMs). The patient presented with myoclonus and dystonia at two and eight years of age, respectively. In addition to MDS, the patient developed growth hormone (GH) deficiency and mild intellectual disability...
March 2024: Curēus
https://read.qxmd.com/read/38628990/the-relationship-between-height-and-income-with-potential-application-to-treatment-of-limb-length-discrepancy
#18
JOURNAL ARTICLE
Alexander S Rascoe, Eric J Peng, Dre'Marcus Ferrell, Jonathan A Copp, Raymond W Liu
Purpose When treating limb length discrepancy (LLD), decisions regarding lengthening versus contralateral shortening require careful consideration of deformity and patient factors. Using the National Longitudinal Survey of Youth 1979 (NLSY79) database, and income as a quantitative representation of overall socioeconomic benefit, we sought to determine the height at which incremental gains in height have the greatest value. Methods Using the NLSY79 database, we collected demographic data, height, yearly income from wages, college education (full- or part-time), and receipt of government financial aid...
March 2024: Curēus
https://read.qxmd.com/read/38628587/anastrozole-monotherapy-further-improves-near-adult-height-after-the-initial-combined-treatment-with-leuprorelin-and-anastrozole-in-early-maturing-girls-with-compromised-growth-prediction-results-from-the-second-phase-of-the-gail-study
#19
JOURNAL ARTICLE
Dimitrios T Papadimitriou, Eleni Dermitzaki, Panagiotis Christopoulos, Sarantis Livadas, Ioanna N Grivea, George Mastorakos
BACKGROUND: The first phase of the GAIL study ("Girls treated with an Aromatase Inhibitor and Leuprorelin," ISRCTN11469487) has shown that the combination of anastrozole and leuprorelin for 24 months is safe and effective in improving the predicted adult height (PAH) in girls with early puberty and compromised growth prediction by +1.21 standard deviation score (SDS; +7.51 cm) compared to inhibition of puberty alone, +0.31 SDS (+1.92 cm). OBJECTIVES AND HYPOTHESES: In the second phase of the GAIL study, we assessed the adult height (AH)/near-adult height (NAH) at the end of the first phase and, in addition, the efficacy of anastrozole monotherapy thereafter in further improving NAH...
2024: Frontiers in Endocrinology
https://read.qxmd.com/read/38628441/the-effect-of-10%C3%A2-weeks-of-karate-training-on-the-development-of-motor-skills-in-children-who-are-new-to-karate
#20
JOURNAL ARTICLE
Yasin Arslan, Belma Yavaşoğlu, Ayşegül Beykumül, Aylin Özge Pekel, Ceren Suveren, Ebru Olcay Karabulut, Tebessüm Ayyıldız Durhan, Veli Ozan Çakır, Nuriye Sarıakçalı, Hamza Küçük, Levent Ceylan
This study investigated the effect of a 10-week karate training program on the motor skill development of 5-7-year-old children new to karate with two different test batteries. A total of 28 participants were included in the study: 18 in the Karate group and 10 in the control group. The karate group was subjected to a fundamental karate training (kihon) program consisting of 90-minute sessions four days a week for ten weeks in addition to physical education classes at their schools. In contrast, the control group did not participate in any sportive activities except physical education classes in their schools...
2024: Frontiers in Physiology
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