keyword
https://read.qxmd.com/read/38551843/localization-of-overdamped-bosonic-modes-and-transport-in-strange-metals
#1
JOURNAL ARTICLE
Aavishkar A Patel, Peter Lunts, Subir Sachdev
The strange metal phase of correlated electrons materials was described in a recent theory by a model of a Fermi surface coupled a two-dimensional quantum critical bosonic field with a spatially random Yukawa coupling. With the assumption of self-averaging randomness, similar to that in the Sachdev-Ye-Kitaev model, numerous observed properties of a strange metal were obtained for a wide range of intermediate temperatures, including the linear in temperature resistivity. The Harris criterion implies that spatial fluctuations in the local position of the critical point must dominate at lower temperatures...
April 2, 2024: Proceedings of the National Academy of Sciences of the United States of America
https://read.qxmd.com/read/38532351/the-activation-of-iron-deficiency-responses-of-grapevine-rootstocks-is-dependent-to-the-availability-of-the-nitrogen-forms
#2
JOURNAL ARTICLE
Sarhan Khalil, Rebeka Strah, Arianna Lodovici, Petr Vojta, Federica De Berardinis, Jörg Ziegler, Maruša Pompe Novak, Laura Zanin, Nicola Tomasi, Astrid Forneck, Michaela Griesser
BACKGROUND: In viticulture, iron (Fe) chlorosis is a common abiotic stress that impairs plant development and leads to yield and quality losses. Under low availability of the metal, the applied N form (nitrate and ammonium) can play a role in promoting or mitigating Fe deficiency stresses. However, the processes involved are not clear in grapevine. Therefore, the aim of this study was to investigate the response of two grapevine rootstocks to the interaction between N forms and Fe uptake...
March 26, 2024: BMC Plant Biology
https://read.qxmd.com/read/38405271/passive-sampler-derived-profiles-and-mass-flows-of-perfluorinated-alkyl-substances-pfass-across-the-fram-strait-in-the-north-atlantic
#3
JOURNAL ARTICLE
Matthew Dunn, Simon Vojta, Thomas Soltwedel, Wilken-Jon von Appen, Rainer Lohmann
Per- and polyfluorinated alkyl substances (PFAS) are a family of pollutants of high concern due to their ubiquity and negative human health impacts. The long-range marine transport of PFAS was observed during year-long deployments of passive tube samplers in the Fram Strait across three depth transects. Time weighted average concentrations ranged from 2.4-360 pg L-1 , and 10 different PFAS were regularly observed. PFAS profiles and concentrations were generally similar to those previously characterized for polycyclic aromatic hydrocarbons (PAHs) at these sites...
February 13, 2024: Environmental Science & Technology Letters
https://read.qxmd.com/read/38370143/avoiding-artifacts-in-the-determination-of-per-and-polyfluoroalkyl-substance-sorbent-water-distribution
#4
JOURNAL ARTICLE
Jarod Snook, Jitka Becanova, Simon Vojta, Rainer Lohmann
Characterizing sorbent affinity for a target compound (described by sorbent-water distribution coefficient, Ksw ) is a necessary step in the sorbent selection and performance-testing process in the process of capturing aquatic contaminants. However, no standardized procedure exists to measure Ksw , and studies display significant variations in set-up and performance. For per- and polyfluoroalkyl substances (PFAS), most Ksw determinations employ batch experiments with small-scale water-sorbent mixtures, methanol-based spike of target compound(s), and analysis after assumed equilibrium, but methodological details of the above procedure differ and might cause artifacts in the determination of Ksw ...
August 11, 2023: ACS ES&T water
https://read.qxmd.com/read/38256426/factors-influencing-the-duration-of-rehabilitation-in-infants-with-torticollis-a-pilot-study
#5
JOURNAL ARTICLE
Daniela Parau, Anamaria Butila Todoran, Rodica Balasa
Background and Objectives : Torticollis is a common pediatric condition, with an incidence of 0.3-2.0%. Studies show that an adequate, tailored, and early treatment helps 90% to 95% of children recover before the first year of life and 97% of patients recover if treatment starts before the first six months. To identify the relationships between variables considered essential in the recovery process of infants with torticollis, we included factors such as the type of torticollis, age at onset of treatment, gender, birth weight, mode of delivery, fetal position in the uterus, the presence of craniofacial deformities, regions affected by postural asymmetries, and duration of the rehabilitation program...
January 16, 2024: Medicina
https://read.qxmd.com/read/38252890/evaluation-of%C3%A2-gender-disparity-in%C3%A2-tactical-combat-casualty-care
#6
JOURNAL ARTICLE
Shanna R Vaughan, Timothy Ballard, Pamela Ward-Demo, Leslie Vojta, Anwar E Ahmed, Amy Costello
INTRODUCTION: Women comprise nearly 19% of the U.S. military and now serve in almost all operational roles, increasing their risk of combat trauma and injuries.3 Data from the Joint Trauma Registry during Operation Enduring Freedom shows that battle-injured females had a higher case fatality rate at 36% compared to their male counterparts at 17%.1 The Tactical Combat Casualty Care curriculum is used to prepare battlefield medics to provide immediate care to wounded service members, but fails to address differences in the care of female versus male casualties...
December 27, 2023: Military Medicine
https://read.qxmd.com/read/38222965/unregulated-active-and-closed-textile-mills-represent-a-significant-vector-of-pfas-contamination-into-coastal-rivers
#7
JOURNAL ARTICLE
Matthew Dunn, Nicholas Noons, Simon Vojta, Jitka Becanova, Heidi Pickard, Elsie M Sunderland, Rainer Lohmann
Despite concerns over the ubiquity of per- and polyfluoroalkyl substances (PFAS), little is known about the diversity of input sources to surface waters and their seasonal dynamics. Frequent use of PFAS in textiles means both active and closed textile mills require evaluation as PFAS sources. We deployed passive samplers at seven sites in an urban river and estuary adjacent to textile mills in Southern Rhode Island (USA) over 12 months. We estimated monthly mass flows (g month-1 ) of perfluorohexanoic acid (PFHxA: 45±56), and perfluorooctanoic acid (PFOA: 30±45) from the upstream river influenced by an active mill...
January 12, 2024: ACS ES&T water
https://read.qxmd.com/read/38149987/mapping-of-the-gene-network-that-regulates-glycan-clock-of-ageing
#8
JOURNAL ARTICLE
Azra Frkatović-Hodžić, Anika Mijakovac, Karlo Miškec, Arina Nostaeva, Sodbo Z Sharapov, Arianna Landini, Toomas Haller, Erik van den Akker, Sapna Sharma, Rafael R C Cuadrat, Massimo Mangino, Yong Li, Toma Keser, Najda Rudman, Tamara Štambuk, Maja Pučić-Baković, Irena Trbojević-Akmačić, Ivan Gudelj, Jerko Štambuk, Tea Pribić, Barbara Radovani, Petra Tominac, Krista Fischer, Marian Beekman, Manfred Wuhrer, Christian Gieger, Matthias B Schulze, Clemens Wittenbecher, Ozren Polasek, Caroline Hayward, James F Wilson, Tim D Spector, Anna Köttgen, Frano Vučković, Yurii S Aulchenko, Aleksandar Vojta, Jasminka Krištić, Lucija Klarić, Vlatka Zoldoš, Gordan Lauc
Glycans are an essential structural component of immunoglobulin G (IgG) that modulate its structure and function. However, regulatory mechanisms behind this complex posttranslational modification are not well known. Previous genome-wide association studies (GWAS) identified 29 genomic regions involved in regulation of IgG glycosylation, but only a few were functionally validated. One of the key functional features of IgG glycosylation is the addition of galactose (galactosylation), a trait which was shown to be associated with ageing...
December 26, 2023: Aging
https://read.qxmd.com/read/38137425/synergy-of-muscle-and-cortical-activation-through-vojta-reflex-locomotion-therapy-in-young-healthy-adults-a-pilot-randomized-controlled-trial
#9
JOURNAL ARTICLE
Juan Luis Sánchez-González, Emiliano Díez-Villoria, Fátima Pérez-Robledo, Ismael Sanz-Esteban, Inés Llamas-Ramos, Rocío Llamas-Ramos, Antonio de la Fuente, Beatriz María Bermejo-Gil, Ricardo Canal-Bedia, Ana María Martín-Nogueras
BACKGROUND: Vojta Therapy is a neurorehabilitation therapy that allows to activate reflex movement patterns. The scientific literature has shown its ability to generate muscle contractions. The activation of brain neural networks has also been proven. However, the relationship between these processes has not yet been demonstrated. For this reason, the aim of this study is to verify brain activation produced by recording with near-infrared spectroscopy and its relationship with muscle activation produced in the abdominal muscles recorded with surface electromyography...
December 1, 2023: Biomedicines
https://read.qxmd.com/read/38115432/fractional-and-scaled-brownian-motion-on-the-sphere-the-effects-of-long-time-correlations-on-navigation-strategies
#10
JOURNAL ARTICLE
Adriano Valdés Gómez, Francisco J Sevilla
We analyze fractional Brownian motion and scaled Brownian motion on the two-dimensional sphere S^{2}. We find that the intrinsic long-time correlations that characterize fractional Brownian motion collude with the specific dynamics (navigation strategies) carried out on the surface giving rise to rich transport properties. We focus our study on two classes of navigation strategies: one induced by a specific set of coordinates chosen for S^{2} (we have chosen the spherical ones in the present analysis), for which we find that contrary to what occurs in the absence of such long-time correlations, nonequilibrium stationary distributions are attained...
November 2023: Physical Review. E
https://read.qxmd.com/read/38068424/effects-of-vojta-therapy-on-the-motor-function-of-children-with-neuromotor-disorders-study-protocol-for-a-randomized-controlled-trial
#11
JOURNAL ARTICLE
Mónica Menéndez-Pardiñas, Miguel Alonso-Bidegaín, Fernando Santonja-Medina, Juan Luis Sánchez-González, Jose Manuel Sanz-Mengibar
BACKGROUND: Infantile cerebral palsy is a neurological pathology that causes great morbidity, mortality, and disability in people who suffer from it, mainly affecting motor development. There are a multitude of non-pharmacological methods or therapies for its treatment. One of the main methods is Vojta therapy. This methodology acts on ontogenetic postural function and automatic postural control. OBJECTIVE: This study aims to demonstrate that there are changes in the motor development of children with cerebral palsy with the application of Vojta therapy...
November 28, 2023: Journal of Clinical Medicine
https://read.qxmd.com/read/38037226/outside-the-laboratory-assessment-of-upper-limb-laterality-in-patients-with-stroke-a-cross-sectional-study
#12
JOURNAL ARTICLE
Philipp Gulde, Heike Vojta, Stephanie Schmidle, Peter Rieckmann, Joachim Hermsdörfer
BACKGROUND: The rehabilitation of upper limb sensorimotor performance after stroke requires the assessment of daily use, the identification of key levels of impairment, and monitoring the course of recovery. It needs to be answered, how laboratory-based assessments and everyday behavior are connected, which dimension of metrics, that is, volume, intensity, or quality, is most sensitive to reduced function, and what sensor, that is, gyroscope or accelerometer, is best suited to gather such data...
November 30, 2023: Stroke; a Journal of Cerebral Circulation
https://read.qxmd.com/read/37974022/kondo-screening-in-a-majorana-metal
#13
JOURNAL ARTICLE
S Lee, Y S Choi, S-H Do, W Lee, C H Lee, M Lee, M Vojta, C N Wang, H Luetkens, Z Guguchia, K-Y Choi
Kondo impurities provide a nontrivial probe to unravel the character of the excitations of a quantum spin liquid. In the S = 1/2 Kitaev model on the honeycomb lattice, Kondo impurities embedded in the spin-liquid host can be screened by itinerant Majorana fermions via gauge-flux binding. Here, we report experimental signatures of metallic-like Kondo screening at intermediate temperatures in the Kitaev honeycomb material α-RuCl3 with dilute Cr3+ (S = 3/2) impurities. The static magnetic susceptibility, the muon Knight shift, and the muon spin-relaxation rate all feature logarithmic divergences, a hallmark of a metallic Kondo effect...
November 16, 2023: Nature Communications
https://read.qxmd.com/read/37893603/the-benefits-of-combining-bobath-and-vojta-therapies-in-infants-with-motor-development-impairment-a-pilot-study
#14
JOURNAL ARTICLE
Daniela Parau, Anamaria Butila Todoran, Laura Barcutean, Calin Avram, Rodica Balasa
Background : In infants presenting with motor development impairment, early kinesiotherapeutic interventions aim to normalise the pattern of movements and improve recovery. By applying Bobath and Vojta methods, we aimed to identify a combined approach regarding motor deficit in infants with neurological disabilities. Methods : We designed a prospective interventional study on 108 infants with motor developmental delay and applied Bobath, Vojta, or combined Bobath and Vojta therapy in three equal groups. Results : In the combined Bobath and Vojta group, complete motor recovery was achieved for 50% of the participants, with full recovery after six months, whereas in Bobath- or Vojta-only therapy groups, the total recovery for all participants was achieved at seven months...
October 23, 2023: Medicina
https://read.qxmd.com/read/37891917/thylakoid-rhodanese-like-protein-ferredoxin-nadp-oxidoreductase-interaction-is-integrated-into-plant-redox-homeostasis-system
#15
JOURNAL ARTICLE
Lea Vojta, Anja Rac-Justament, Bernd Zechmann, Hrvoje Fulgosi
In vascular plants, the final photosynthetic electron transfer from ferredoxin (Fd) to NADP+ is catalyzed by the flavoenzyme ferredoxin:NADP+ oxidoreductase (FNR). FNR is recruited to thylakoid membranes via an integral membrane protein TROL (thylakoid rhodanese-like protein) and the membrane associated protein Tic62. We have previously demonstrated that the absence of TROL triggers a very efficient superoxide (O2 •- ) removal mechanism. The dynamic TROL-FNR interaction has been shown to be an apparently overlooked mechanism that maintains linear electron flow before alternative pathway(s) is(are) activated...
October 10, 2023: Antioxidants (Basel, Switzerland)
https://read.qxmd.com/read/37735674/going-beyond-pa-assessing-sensorimotor-capacity-with-wearables-in-multiple-sclerosis-a-cross-sectional-study
#16
JOURNAL ARTICLE
Philipp Gulde, Heike Vojta, Stephanie Schmidle, Peter Rieckmann, Joachim Hermsdörfer
BACKGROUND: Wearable technologies are currently clinically used to assess energy expenditure in a variety of populations, e.g., persons with multiple sclerosis or frail elderly. To date, going beyond physical activity, deriving sensorimotor capacity instead of energy expenditure, is still lacking proof of feasibility. METHODS: In this study, we read out sensors (accelerometer and gyroscope) of smartwatches in a sample of 90 persons with multiple sclerosis over the course of one day of everyday life in an inpatient setting...
September 21, 2023: Journal of Neuroengineering and Rehabilitation
https://read.qxmd.com/read/37644999/effect-of-dynamic-neuromuscular-stabilization-and-vojta-therapy-on-respiratory-complications-in-neuromuscular-diseases-a-literature-review
#17
REVIEW
Fatemeh Falahati Nezhad, Aliyeh Daryabor, Mohsen Abedi, Joseph H Smith
OBJECTIVE: The purpose of this study was to review the literature on the effect of dynamic neuromuscular stabilization (DNS)/Vojta on respiratory complications of neuromuscular diseases. METHODS: The search strategy was conducted, based on the population, intervention, comparison, and outcome method, in the PubMed, Embase, ISI Web of Knowledge, ProQuest, and Scopus databases from inception to August 2021. The quality assessment of included papers was performed through the Physiotherapy Evidence Database scale...
September 2023: Journal of Chiropractic Medicine
https://read.qxmd.com/read/37389665/analysis-of-sars-cov-2-interactions-with-the-vero-cell-lines-by-scanning-electron-microscopy
#18
JOURNAL ARTICLE
Zuzana Malá, Marek Vojta, Jan Loskot, Radek Sleha, Bruno Ježek, Josef Zelenka
In this study, scanning electron microscopy (SEM) was used to study the cell structure of SARS-CoV-2 infected cells. Our measurements revealed infection remodeling caused by infection, including the emergence of new specialized areas where viral morphogenesis occurs at the cell membrane. Intercellular extensions for viral cell surfing have also been observed. Our results expand knowledge of SARS-CoV-2 interactions with cells, its spread from cell to cell, and their size distribution. Our findings suggest that SEM is a useful microscopic method for intracellular ultrastructure analysis of cells exhibiting specific surface modifications that could also be applied to studying other important biological processes...
June 30, 2023: Journal of Biological Physics
https://read.qxmd.com/read/37371206/monitoring-expression-of-balance-during-therapy-in-children-with-postural-disorders
#19
JOURNAL ARTICLE
Arkadiusz Żurawski, Zbigniew Śliwiński, Dorota Kozieł, Wojciech Kiebzak
In the literature, we find information about the impact of changes in the shape of the spine on the efficiency of equivalent reactions, and we also find information about the methods and effects of physiotherapy in improving equivalent reactions. However, there is a lack of publications showing the process of changes taking place over time and defining their nature at individual stages of treatment. The aim of this study is to present the process of monitoring the expression of balance in patients aged 8-12 years with postural disorders, in the course of the therapeutic process...
May 30, 2023: Children
https://read.qxmd.com/read/37265780/predicting-the-distribution-of-serotonergic-axons-a-supercomputing-simulation-of-reflected-fractional-brownian-motion-in-a-3d-mouse-brain-model
#20
JOURNAL ARTICLE
Skirmantas Janušonis, Justin H Haiman, Ralf Metzler, Thomas Vojta
The self-organization of the brain matrix of serotonergic axons (fibers) remains an unsolved problem in neuroscience. The regional densities of this matrix have major implications for neuroplasticity, tissue regeneration, and the understanding of mental disorders, but the trajectories of its fibers are strongly stochastic and require novel conceptual and analytical approaches. In a major extension to our previous studies, we used a supercomputing simulation to model around one thousand serotonergic fibers as paths of superdiffusive fractional Brownian motion (FBM), a continuous-time stochastic process...
2023: Frontiers in Computational Neuroscience
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