81,250 results match your criteria movement environmental


Impact of river channel lateral migration on microbial communities across a discontinuous permafrost floodplain.

Appl Environ Microbiol 2021 Aug 4:AEM0133921. Epub 2021 Aug 4.

Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California, USA.

Permafrost soils store approximately twice the amount of carbon currently present in Earth's atmosphere and are acutely impacted by climate change due to the polar amplification of increasing global temperature. Many organic-rich permafrost sediments are located on large river floodplains, where river channel migration periodically erodes and re-deposits the upper tens of meters of sediment. Channel migration exerts a first-order control on the geographic distribution of permafrost and floodplain stratigraphy and thus may affect microbial habitats. Read More

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Does proprioceptive acuity influence the extent of implicit sensorimotor adaptation in young and older adults?

J Neurophysiol 2021 Aug 4. Epub 2021 Aug 4.

Movement Control and Neuroplasticity Research Group, Department of Movement Sciences, grid.5596.fKU Leuven, Leuven, Belgium.

The ability to adjust movements to changes in the environment declines with aging. This age-related decline is caused by the decline of explicit adjustments. However, implicit adaptation remains intact and might even be increased with aging. Read More

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Gut Microbiome and Serum Metabolome Alterations Associated with Isolated Dystonia.

mSphere 2021 Aug 4:e0028321. Epub 2021 Aug 4.

NHC Key Laboratory of Systems Biology of Pathogens, Chinese Academy of Medical Sciences (CAMS) & Peking Union Medical College (PUMC), Beijing, China.

Dystonia is a complex neurological movement disorder characterized by involuntary muscle contractions. Increasing studies implicate the microbiome as a possible key susceptibility factor for neurological disorders, but the relationship between the gut microbiota and dystonia remains poorly explored. Here, the gut microbiota of 57 patients with isolated dystonia and 27 age- and environment-matched healthy controls was analyzed by 16S rRNA gene amplicon sequencing. Read More

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Mercury and Movement Disorders: The Toxic Legacy Continues.

Can J Neurol Sci 2021 Jun 24:1-9. Epub 2021 Jun 24.

London Movement Disorder Centre, London Health Sciences Centre, University of Western Ontario, 339 Windermere Road, London, Ontario, Canada, N6A 5A5.

Mercury (Hg) exists in the environment as inorganic (metallic Hg vapor, mercurous and mercuric salts) or organic (bonded to a structure containing carbon atoms) forms. Neurotoxic effect of Hg is known for years. While the organic form (methylmercury (meHg)) led to the Minamata incidence in Japan and "wonder-wheat" disaster in Iraq, the "mad hatters" and "Danbury shakes" were related to the inorganic elemental form (Hg vapor). Read More

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A Scoping Review of the Use of Indigenous Food Sovereignty Principles for Intervention and Future Directions.

Curr Dev Nutr 2021 Jul 1;5(7):nzab093. Epub 2021 Jul 1.

Department of International Health, Center for Human Nutrition, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.

Indigenous food sovereignty (IFS) represents a community-led movement with potential to reduce health inequities, but no scoping review of the impact of taking an IFS approach on intervention research has been conducted. This review sought to: ) describe intervention studies that employ IFS principles, and ) describe the impact of studies using IFS principles on food access, eating patterns, diet quality, physical activity, and health. Through a literature review, 4 IFS principles were identified: ) community ownership, ) inclusion of traditional food knowledge, ) inclusion and promotion of cultural foods, and ) environmental/intervention sustainability. Read More

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Effect of unplanned athletic movement on knee mechanics: a systematic review with multilevel meta-analysis.

Br J Sports Med 2021 Aug 3. Epub 2021 Aug 3.

Division of Health and Performance, Institute of Occupational, Social and Environmental Medicine, Goethe University Frankfurt, Frankfurt am Main, Germany.

Objective: To compare the effects of pre-planned and unplanned movement tasks on knee biomechanics in uninjured individuals.

Design: Systematic review with meta-analysis.

Data Sources: Five databases (PubMed, Google Scholar, Cochrane Library, ScienceDirect and Web of Science) were searched from inception to November 2020. Read More

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Zn-MOF decorated bio activated carbon for photocatalytic degradation, oxygen evolution and reduction catalysis.

J Hazard Mater 2021 Jul 26;421:126720. Epub 2021 Jul 26.

Department of Bionanotechnology, Gachon University, Seongnam-si 13120, Republic of Korea. Electronic address:

An emerging global necessity for alternative resources combined with maximum catalytic efficiency, low cost, and eco-friendly composite remains a hotspot in the scientific society. Hereby, a novel protocol is approached to design a heterostructure of Zinc MOF decorated on the surface of 2D activated carbon (AC) through a simplistic approach. To begin with, analytical, morphological and spectroscopical studies were performed to identify the functional moieties, cruciate-flower like morphology and oxidative state of atoms present in the composite Zn-MOF @AC. Read More

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Fitness cost from fluctuating ultraviolet radiation in .

Biol Lett 2021 Aug 4;17(8):20210261. Epub 2021 Aug 4.

Aquatic Ecology, Department of Biology, Lund University, Lund, Sweden.

Solar ultraviolet radiation (UVR) is an important environmental threat for organisms in aquatic systems, but its temporally variable nature makes the understanding of its effects ambiguous. The aim of our study was to assess potential fitness costs associated with fluctuating UVR in the aquatic zooplankter . We investigated individual survival, reproduction and behaviour when exposed to different UVR treatments. Read More

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Congruence between ocean-dispersal modelling and phylogeography explains recent evolutionary history of Cycas species with buoyant seeds.

New Phytol 2021 Aug 3. Epub 2021 Aug 3.

CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, 650201, Yunnan, China.

Ocean currents play a significant role in driving long-distance dispersal (LDD), spatial distribution, and phylogeographic patterns of many organisms. Integrating phylogeographic analyses and mechanistic ocean current modelling can provide novel insights into the evolutionary history of terrestrial littoral species but has been rarely applied in this context. We focused on a group of Cycas that have buoyant seeds and occupy coastal habitats. Read More

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Valorization of waste cabbage leaves by postharvest photochemical treatments monitored with a non-destructive fluorescence-based sensor.

J Photochem Photobiol B 2021 Jul 20;222:112263. Epub 2021 Jul 20.

Research Institute of Horticulture, Konstytucji 3 Maja 1/3, Skierniewice, Poland.

The biosynthesis of polyphenolic compounds in cabbage waste, outer green leaves of white head cabbage (Brassica oleracea L. var. capitata subvar. Read More

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An appraisal of trials investigating the effects on macular pigment optical density of lutein and zeaxanthin dietary interventions: a narrative review.

Nutr Rev 2021 Aug 2. Epub 2021 Aug 2.

School of Human Movement and Nutrition Sciences, Faculty of Health and Behavioural Sciences, The University of Queensland, Saint Lucia, Queensland, Australia. J. Bowtell and S. Jackman are with the Sport and Health Sciences, College of Life and Environmental Sciences, University of Exeter, Exeter, UK. A. Shore is with the School of Medicine, College of Medicine and Health, University of Exeter, Exeter, UK.

Lutein and zeaxanthin (L/Z), xanthophylls obtained from the diet, are deposited in the macula of the eye. The macular concentration of L/Z is quantifiable as macular pigment optical density (MPOD). The aim of this review was to critically appraise the effect on MPOD of increasing L/Z intake by dietary intervention in adults. Read More

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Constraint Induced Movement Therapy in Infants and Toddlers with Hemiplegic Cerebral Palsy: A Scoping Review.

Occup Ther Health Care 2021 Aug 2:1-17. Epub 2021 Aug 2.

School of Occupational Therapy, Texas Woman's University, Denton, TX, USA.

Cerebral Palsy (CP) is the leading cause of motor disability in childhood. Recent studies have investigated the effectiveness of constraint induced movement therapy (CIMT) as an early intervention for infants and toddlers with hemiplegic CP. This scoping review aims to identify current evidence for CIMT protocols for children 3 months to 5 years 11 months as well as clinical applications for practice and gaps in research. Read More

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Self-Propelling Hybrid Gels Incorporating an Active Self-Assembled Low-Molecular-Weight Gelator.

Chemistry 2021 Aug 2. Epub 2021 Aug 2.

University of York, Department of Chemistry, Heslington, YO10 5DD, York, UNITED KINGDOM.

Hybrid gel beads based on combining a low-molecular-weight gelator (LMWG) with a polymer gelator (PG) demonstrate enhanced ability to self-propel in water, with the LMWG playing an active role. Hybrid gel beads were loaded with ethanol and shown to move in water via 'Marangoni effect' surface tension changes caused by the expulsion of ethanol - smaller beads move further and faster than larger beads. Flat shapes of the hybrid gel were cut using a 'stamp' - circles moved the furthest while stars showed more rotational movement on their own axis. Read More

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Melatonin Increases Life Span, Restores the Locomotor Activity, and Reduces Lipid Peroxidation (LPO) in Transgenic Knockdown Parkin Drosophila melanogaster Exposed to Paraquat or Paraquat/Iron.

Neurotox Res 2021 Aug 2. Epub 2021 Aug 2.

Neuroscience Research Group, Medical Research Institute, Faculty of Medicine, University of Antioquia (UdeA), Calle 70 No. 52-21, and Calle 62 # 52-59, Building 1, Room 412, SIU Medellin, Colombia.

Parkinson's disease (PD) is a complex progressive neurodegenerative disorder involving impairment of bodily movement caused by the specific destruction of dopaminergic (DAergic) neurons. Mounting evidence suggests that PD might be triggered by an interplay between environmental neurotoxicants (e.g. Read More

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Using Changes in Leaf Transmission to Investigate Chloroplast Movement in Arabidopsis thaliana.

J Vis Exp 2021 Jul 14(173). Epub 2021 Jul 14.

Department of Biological Sciences, Wellesley College.

Chloroplast movement in leaves has been shown to help minimize photoinhibition and increase growth under certain conditions. Much can be learned about chloroplast movement by studying the chloroplast positioning in leaves using e.g. Read More

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Effect of Mobile Health Technology on Weight Control in Adolescents and Preteens: A Systematic Review and Meta-Analysis.

Front Public Health 2021 15;9:708321. Epub 2021 Jul 15.

Department of Business Administration, Cheng Shiu University, Kaohsiung, Taiwan.

Childhood obesity is a crucial public health concern. In recent years, numerous studies have employed mobile health technology applications for weight control in children but obtaining varying effects. We conducted a meta-analysis to discuss the effectiveness of mobile health technology in reducing the body mass index (BMI) of obese children. Read More

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Examining the Antecedent Role of Movement Proficiency in Child Development: Study Protocol.

Front Psychol 2021 15;12:678874. Epub 2021 Jul 15.

Te Huataki Waiora School of Health, University of Waikato, Hamilton, New Zealand.

Decades of research, largely from associational studies, show that the relationships of movement proficiency with the cognitive and social aspects of development are particularly strong in early childhood. Children who move proficiently tend to have better cognitive skills and social behaviors. However, the mechanisms that underpin these relationships remain unclear and research that explores causation is necessary. Read More

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Brain-Computer Interfaces for Children With Complex Communication Needs and Limited Mobility: A Systematic Review.

Front Hum Neurosci 2021 14;15:643294. Epub 2021 Jul 14.

Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, ON, Canada.

Brain-computer interfaces (BCIs) represent a new frontier in the effort to maximize the ability of individuals with profound motor impairments to interact and communicate. While much literature points to BCIs' promise as an alternative access pathway, there have historically been few applications involving children and young adults with severe physical disabilities. As research is emerging in this sphere, this article aims to evaluate the current state of translating BCIs to the pediatric population. Read More

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Does Sleep Selectively Strengthen Certain Memories Over Others Based on Emotion and Perceived Future Relevance?

Nat Sci Sleep 2021 24;13:1257-1306. Epub 2021 Jul 24.

Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.

Sleep has been found to have a beneficial effect on memory consolidation. It has furthermore frequently been suggested that sleep does not strengthen all memories equally. The first aim of this review paper was to examine whether sleep selectively strengthens emotional declarative memories more than neutral ones. Read More

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"I never thought it would be that bad" -Increasing teachers' awareness of psychological well-being through recovery-stress monitoring and individualised feedback.

Work 2021 Jul 30. Epub 2021 Jul 30.

Faculty of Sport Science, Unit of Sport Psychology, Ruhr University Bochum, Germany.

Background: The demanding working conditions of teachers make them susceptible to stress. Monitoring temporal changes in recovery and stress may provide a valuable approach for maintaining well-being.

Objective: This exploratory study followed a two-stage approach aimed at: a) collecting data about the potential effects of holidays on stress in teachers, and b) utilizing these findings to provide tangible feedback to teachers. Read More

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Virtual Reality Functional Capacity Assessment Tool (VRFCAT-SL) in Parkinson's Disease.

J Parkinsons Dis 2021 Jul 26. Epub 2021 Jul 26.

VeraSci, Inc., Durham, NC, USA.

Background: Cognitive impairment is common in Parkinson's disease (PD) and highly associated with loss of independence, caregiver burden, and assisted living placement. The need for cognitive functional capacity tools validated for use in PD clinical and research applications has thus been emphasized in the literature. The Virtual Reality Functional Capacity Assessment Tool (VRFCAT-SL) is a tablet-based instrument that assesses proficiency for performing real world tasks in a highly realistic environment. Read More

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Acute effects of Square Stepping Exercise on cognitive and social functions in sedentary young adults: a home-based online trial.

BMC Sports Sci Med Rehabil 2021 Aug 2;13(1):82. Epub 2021 Aug 2.

Faculty of Health and Sport Sciences, University of Tsukuba, 1-1-1 Tennodai , Tsukuba, Ibaraki, 305-8574, Japan.

Background: The Square Stepping Exercise (SSE) is an exercise training program incorporating cognitive and physical exercise components, which was originally developed for older adults to reduce falling risks. SSE's potential in delaying cognitive decline in older adults seems to be promising. However, there is scarce research on the SSE program with young adults. Read More

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Embedded adaptive deep brain stimulation for cervical dystonia controlled by motor cortex theta oscillations.

Exp Neurol 2021 Jul 28:113825. Epub 2021 Jul 28.

Movement Disorders and Neuromodulation Centre, University of California San Francisco, San Francisco, CA, USA. Electronic address:

Dystonia is a disabling movement disorder characterized by excessive muscle contraction for which the underlying pathophysiology is incompletely understood and treatment interventions limited in efficacy. Here we utilize a novel, sensing-enabled, deep brain stimulator device, implanted in a patient with cervical dystonia, to record local field potentials from chronically implanted electrodes in the sensorimotor cortex and subthalamic nuclei bilaterally. This rechargeable device was able to record large volumes of neural data at home, in the naturalistic environment, during unconstrained activity. Read More

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Specific electromagnetic radiation in the wireless signal range increases wakefulness in mice.

Proc Natl Acad Sci U S A 2021 Aug;118(31)

Beijing Advanced Innovation Center for Structural Biology and Frontier Research Center for Biological Structure, Tsinghua-Peking Joint Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China;

Electromagnetic radiation (EMR) in the environment has increased sharply in recent decades. The effect of environmental EMR on living organisms remains poorly characterized. Here, we report the impact of wireless-range EMR on the sleep architecture of mouse. Read More

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Neuronal activity in the premotor cortex of monkeys reflects both cue salience and motivation for action generation and inhibition.

J Neurosci 2021 Jul 29. Epub 2021 Jul 29.

Department of Physiology and Pharmacology, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy

Reward prospect weighs on motor decision processes, enhancing the selection of appropriate actions and the inhibition of others.While many studies have investigated the neuronal basis of reward representations and of cortical control of actions, the neuronal correlates of the influence of reward prospect on motor decisions are less clear.We recorded from the dorsal premotor cortex (PMd) of two male macaque monkeys performing a modified version of the stop-signal (countermanding) task. Read More

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Open science, the replication crisis, and environmental public health.

Authors:
Daniel J Hicks

Account Res 2021 Jul 30. Epub 2021 Jul 30.

University of California, Merced, Merced, California, USA.

Concerns about a crisis of mass irreplicability across scientific fields ("the replication crisis") have stimulated a movement for open science, encouraging or even requiring researchers to publish their raw data and analysis code. Recently, a rule at the US Environmental Protection Agency (US EPA) would have imposed a strong open data requirement. The rule prompted significant public discussion about whether open science practices are appropriate for fields of environmental public health. Read More

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Effect of the ultrasonic standing wave frequency on the attractive mineralization for fine coal particle flotation.

Ultrason Sonochem 2021 Jul 23;77:105682. Epub 2021 Jul 23.

School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China.

Froth flotation for mineral beneficiation is one of the most important separation techniques; however, it has several challenges for processing fine and ultrafine particles. Attractive mineralization between particles and bubbles by ultrasonic standing wave (USW) is a novel and high-efficiency method that could assist fine particle flotation. Frequency is an important ultrasound parameter, whose effectiveness mechanisms on the attractive mineralization did not compressively address. Read More

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Association of transportation noise with sleep during the first year of life: A longitudinal study.

Environ Res 2021 Jul 27:111776. Epub 2021 Jul 27.

Division of Respiratory Medicine, University Children's Hospital Zurich and Childhood Research Center, University of Zurich, Zurich, Switzerland; University Children's Hospital Basel (UKBB), Basel, Switzerland. Electronic address:

Study Objectives: During infancy, adequate sleep is crucial for physical and neurocognitive development. In adults and children, night-time noise exposure is associated with sleep disturbances. However, whether and to what extent infants' sleep is affected, is unknown. Read More

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Blockchain for Increased Trust in Virtual Health Care: Proof-of-Concept Study.

J Med Internet Res 2021 Jul 30;23(7):e28496. Epub 2021 Jul 30.

Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, Trondheim, Norway.

Background: Health care systems are currently undergoing a digital transformation that has been primarily triggered by emerging technologies, such as artificial intelligence, the Internet of Things, 5G, blockchain, and the digital representation of patients using (mobile) sensor devices. One of the results of this transformation is the gradual virtualization of care. Irrespective of the care environment, trust between caregivers and patients is essential for achieving favorable health outcomes. Read More

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Phytoplankton dynamics and renewable energy potential induced by the environmental conditions of Lake Burullus, Egypt.

Environ Sci Pollut Res Int 2021 Jul 29. Epub 2021 Jul 29.

Botany and Microbiology Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt.

The research evaluates the spatio-temporal phytoplankton community structure and abundance along with the pollution sources and the lake bioenergy potential, primarily in order to better understand the interplay of the environmental factors affecting them in inland coastal waters. Burullus Lake, located in the north of the Nile Delta of Egypt, is selected as a case study area. Field investigations along with sampling of lake water from 55 sites in the period 20-25 September 2020 are performed. Read More

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