keyword
https://read.qxmd.com/read/38536114/how-does-our-brain-process-positive-and-negative-thermosensory-cues
#1
REVIEW
Jose Gabriel Grajales-Reyes, Bandy Chen, David Meseguer Garcia, Marc Schneeberger Pane
Whether it is the dramatic suffocating sensation from a heat wave in the summer or the positive reinforcement arising from a hot drink on a cold day; we can certainly agree that our thermal environment underlies our daily rhythms of sensation. Extensive research has focused on deciphering the central circuits responsible for conveying the impact of thermogenesis on mammalian behavior. Here, we revise the recent literature responsible for defining the behavioral correlates that arise from thermogenic fluctuations in mammals...
March 27, 2024: Physiology
https://read.qxmd.com/read/38534565/application-of-diy-electrodermal-activity-wristband-in-detecting-stress-and-affective-responses-of-students
#2
JOURNAL ARTICLE
Kenneth Y T Lim, Minh Tuan Nguyen Thien, Minh Anh Nguyen Duc, Hugo F Posada-Quintero
This paper describes the analysis of electrodermal activity (EDA) in the context of students' scholastic activity. Taking a multidisciplinary, citizen science and maker-centric approach, low-cost, bespoken wearables, such as a mini weather station and biometric wristband, were built. To investigate both physical health as well as stress, the instruments were first validated against research grade devices. Following this, a research experiment was created and conducted in the context of students' scholastic activity...
March 20, 2024: Bioengineering
https://read.qxmd.com/read/38533730/relationship-between-running-biomechanics-and-core-temperature-across-a-competitive-road-race
#3
JOURNAL ARTICLE
Alexandra F DeJong Lempke, Michael R Szymanski, Sarah B Willwerth, Gabrielle J Brewer, Kristin E Whitney, William P Meehan, Douglas J Casa
BACKGROUND: Outdoor races introduce environmental stressors to runners, and core temperature changes may influence runners' movement patterns. This study assessed changes and determined relationships between sensor-derived running biomechanics and core temperature among runners across an 11.27-km road race. HYPOTHESIS: Core temperatures would increase significantly across the race, related to changes in spatiotemporal biomechanical measures. STUDY DESIGN: Cross-sectional cohort study...
March 27, 2024: Sports Health
https://read.qxmd.com/read/38533601/inside-out-synergising-leaf-biochemical-traits-with-stomatal-regulated-water-fluxes-to-enhance-transpiration-modelling-during-abiotic-stress
#4
JOURNAL ARTICLE
Robert S Caine, Muhammad S Khan, Robert A Brench, Heather J Walker, Holly L Croft
As the global climate continues to change, plants will increasingly experience abiotic stress(es). Stomata on leaf surfaces are the gatekeepers to plant interiors, regulating gaseous exchanges that are crucial for both photosynthesis and outward water release. To optimise future crop productivity, accurate modelling of how stomata govern plant-environment interactions will be crucial. Here, we synergise optical and thermal imaging data to improve modelled transpiration estimates during water and/or nutrient stress (where leaf N is reduced)...
March 27, 2024: Plant, Cell & Environment
https://read.qxmd.com/read/38531186/effect-of-dietary-electrolyte-balance-and-arginine-to-lysine-ratio-on-hematological-antioxidant-and-immunological-traits-in-dual-purpose-breeding-hens-under-cyclic-heat-stress-condition
#5
JOURNAL ARTICLE
Youssef A Attia, Ahmed A Abdallah, Fulvia Bovera, Abd El-Hamid E Abd El-Hamid, Asmaa Sh El-Naggar, Rashed A Alhotan, Vincenzo Tufarelli, Reda M Zaki
A total of 245 hens and 35 cocks (32 weeks age) were assigned to seven treatment groups (five replicates with seven hens and one cock) to investigate the effect of dietary electrolyte balance (DEB) and arginine to lysine ratio (Arg/Lys) on birds' physiological and biochemical traits under cyclic heat stress (CHS) condition. Birds were housed in an environmentally controlled facility having four sectors. The first group (positive control, PC) was kept under thermoneutral conditions and fed diet with DEB of 180 mEq and Arg/Lys of 1...
March 21, 2024: Journal of Thermal Biology
https://read.qxmd.com/read/38530533/an-experimental-phototherapy-device-for-studying-the-effects-of-blue-light-on-patients-with-raynaud-s-phenomenon
#6
JOURNAL ARTICLE
Brett Levac, James Kerber, Emily Wagner, Jerry A Molitor, Steven S Saliterman
Raynaud's phenomenon (RP) is a condition that causes decreased blood flow to areas perfused by small blood vessels (e.g., fingers, toes). In severe cases, ulceration, gangrene, and loss of fingers may occur. Most treatments focus on inducing vasorelaxation in affected areas by the way of pharmaceuticals. Recently, animal studies have shown that vasorelaxation can be induced by non-coherent blue light (wavelength ~ 430-460 nm) through the actions of melanopsin, a photoreceptive opsin protein encoded by the OPN4 gene...
March 26, 2024: Annals of Biomedical Engineering
https://read.qxmd.com/read/38530467/balneotherapy-using-thermal-mineral-water-baths-and-dermatological-diseases-a-systematic-review
#7
REVIEW
Carmela Protano, Matteo Vitali, Andrea De Giorgi, Daniela Marotta, Serena Crucianelli, Mario Fontana
Balneotherapy includes practices and methods using medically and legally recognized mineral-medicinal waters, muds and natural gases from natural springs for therapeutic purposes. One of the most widely used method in balneotherapy is bathing with thermal mineral water. In the course of the years, scientific community has produced an increasing number of evidences that this practice is an effective method for treating signs and symptoms of several pathologies such as rheumatic, cardiovascular and dermatological diseases...
March 26, 2024: International Journal of Biometeorology
https://read.qxmd.com/read/38529520/toward-the-future-of-firefighter-gear-assessing-fluorinated-and-non-fluorinated-outer-shells-following-simulated-on-the-job-exposures
#8
JOURNAL ARTICLE
Nur-Us-Shafa Mazumder, Jingtian Lu, Andrew Stephen Hall, Arash Kasebi, Arjunsing Girase, Farzaneh Masoud, Jeffrey O Stull, R Bryan Ormond
In 2022, the occupation of firefighting was categorized as a "Group 1" carcinogen, meaning it is known to be carcinogenic to humans. The personal protective equipment that structural firefighters wear is designed to safeguard them from thermal, physical, and chemical hazards while maintaining thermo-physiological comfort. Typically, the outer layer of structural turnout gear is finished with a durable water and oil-repellent (DWR) based on per- and polyfluoroalkyl substances (PFAS) that helps limit exposure to water and hazardous liquids...
November 30, 2023: J Ind Text
https://read.qxmd.com/read/38529072/evaluation-of-physical-variables-thermal-nociceptive-threshold-testing-and-pharmacokinetics-during-placement-of-transdermal-buprenorphine-matrix-type-patch-in-healthy-adult-horses
#9
JOURNAL ARTICLE
Vaidehi V Paranjape, Heather K Knych, Londa J Berghaus, Jessica Cathcart, Shyla Giancola, Hannah Craig, Caroline James, Siddharth Saksena, Rachel A Reed
BACKGROUND: Matrix type transdermal buprenorphine patches have not been investigated in horses and may provide an effective means of providing continuous pain control for extended period and eliminating venous catheterization. OBJECTIVE: Assessment of the physiological variables (heart rate, respiratory rate, body temperature) and thermal nociceptive threshold testing, and describing the pharmacokinetic profile of transdermal buprenorphine matrix-type patch (20 μg h-1 and 40 μg h-1 dosing) in healthy adult horses...
2024: Front Pain Res (Lausanne)
https://read.qxmd.com/read/38528599/local-alternating-heat-and-cold-stimulation-affects-hemodynamics-and-oxygenation-in-fatigued-muscle-tissue-and-autonomic-nervous-activity-a-single-arm-interventional-study
#10
JOURNAL ARTICLE
Tomonori Sawada, Hiroki Okawara, Daisuke Nakashima, Kentaro Aoki, Mira Namba, Shuhei Iwabuchi, Yoshinori Katsumata, Masaya Nakamura, Takeo Nagura
BACKGROUND: Local alternating heat and cold stimulation as an alternative to contrast bath may cause intermittent vasoconstriction and vasodilation, inducing a vascular pumping effect and consequently promoting increased tissue blood flow and oxygenation. This study aimed to examine the effects of local alternating heat and cold stimulation, using a wearable thermal device, on the hemodynamics of fatigued muscle tissue and autonomic nervous activity. METHODS: Twenty healthy individuals experienced fatigue in the periarticular muscles of the shoulder joint due to a typing task...
March 25, 2024: Journal of Physiological Anthropology
https://read.qxmd.com/read/38528286/exploring-epigenetic-and-genetic-modulation-in-animal-responses-to-thermal-stress
#11
REVIEW
Wang Jianfang, Sayed Haidar Abbas Raza, Sameer D Pant, Zhao Juan, Ajit Prakash, Sameh A Abdelnour, Bandar Hamad Aloufi, Zeinab M H Mahasneh, Ahmed A Amin, Borhan Shokrollahi, Linsen Zan
There is increasing evidence indicating that global temperatures are rising significantly, a phenomenon commonly referred to as 'global warming', which in turn is believed to be causing drastic changes to the global climate. Global warming (GW) directly impacts animal health, reproduction, production, and welfare, presenting several challenges to livestock enterprises. Thermal stress (TS) is one of the key consequences of GW, and all animal species, including livestock, have diverse physiological, epigenetic and genetic mechanisms to respond to TS...
March 25, 2024: Molecular Biotechnology
https://read.qxmd.com/read/38526969/electroacupuncture-promotes-macrophage-microglial-m2-polarization-and-suppresses-inflammatory-pain-through-ampk
#12
JOURNAL ARTICLE
Fu-Bei Nan, Yi-Xiao Gu, Jun-Lu Wang, Shuang-Dong Chen
Inflammatory pain, the most prevalent disease globally, remains challenging to manage. Electroacupuncture emerges as an effective therapy, yet its underlying mechanisms are not fully understood. This study investigates whether adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK)-regulated silent information regulator 1 (SIRT1) contributes to electroacupuncture's antinociceptive effects by modulating macrophage/microglial polarization in the spinal dorsal horn of a mouse model of inflammatory pain...
March 20, 2024: Neuroreport
https://read.qxmd.com/read/38526600/the-effects-of-extreme-heat-on-human-health-in-tropical-africa
#13
REVIEW
Joshua Jonah Kunda, Simon N Gosling, Giles M Foody
This review examines high-quality research evidence that synthesises the effects of extreme heat on human health in tropical Africa. Web of Science (WoS) was used to identify research articles on the effects extreme heat, humidity, Wet-bulb Globe Temperature (WBGT), apparent temperature, wind, Heat Index, Humidex, Universal Thermal Climate Index (UTCI), heatwave, high temperature and hot climate on human health, human comfort, heat stress, heat rashes, and heat-related morbidity and mortality. A total of 5, 735 articles were initially identified, which were reduced to 100 based on a set of inclusion and exclusion criteria...
March 25, 2024: International Journal of Biometeorology
https://read.qxmd.com/read/38522379/transcriptomic-insights-into-vibrio-induced-mortality-in-the-clam-meretrix-petechialis-under-high-temperature
#14
JOURNAL ARTICLE
Li Dong, Jiajia Yu, Hongxia Wang, Xin Yue, Baozhong Liu
In this study, we investigate the mortality of the clam Meretrix petechialis facing a vibrio challenge under different temperatures and the underlying molecular mechanisms. Our experiment distinctly revealed that clam mortality was predominantly observed under high temperature, highlighting the critical impact of thermal stress on clam susceptibility to infection. Using RNA-seq, we further compared the global transcriptional response to vibrio in clam gills between high and low temperatures. Compared to other groups, the differentially expressed genes in vibrio-challenged group at high temperature associated with immunity, oxidative stress, and membrane transport...
March 14, 2024: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://read.qxmd.com/read/38521331/body-temperature-responsive-capsules-templated-from-pickering-emulsion-for-thermally-triggered-release-of-%C3%AE-carotene
#15
JOURNAL ARTICLE
Chunmiao Xia, Zihui Xu, Maodong Xu, Cuige Zhang, Bo Xu, Benhai Liu, Xin Yan, Zhenan Zheng, Rongli Zhang
In recent years, functional foods with lipophilic nutraceutical ingredients are gaining more and more attention because of its potential healthy and commercial value, and developing of various bioderived food-grade particles for use in fabrication of Pickering emulsion has attracted great attentions. Herein, the bio-originated sodium caseinate-lysozyme (Cas-Lyz) complex particles were firstly designed to be used as a novel interfacial emulsifier for Pickering emulsions. Pickering emulsions of various food oils were all successfully stabilized by the Cas-Lyz particles without addition of any synthetic surfactants, while the fluorescence microscopy and SEM characterizations clearly evidenced Cas-Lyz particles were attached on the surface of emulsion droplets...
March 21, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38520773/behavioural-responses-of-beef-cattle-to-different-grazing-systems-and-the-influence-of-these-responses-on-water-productivity-of-livestock-in-a-tropical-savannah
#16
JOURNAL ARTICLE
M Pereira Barsotti, R Giolo de Almeida, M C Motta Macedo, P Zawada, J Werner, U Dickhoefer
Environmental conditions and available forage on pastures greatly differ between different farming systems, which can affect the behaviour of grazing cattle. The interplay between environment-, forage-, and animal-related variables may affect the use of feed and water resources in grazing-based systems. Hence, our objectives were (i) to study the differences between grazing-based systems and seasons in environment- and pasture-related variables as well as the behaviour, feed intake, performance, and water productivity of Nellore heifers, and (ii) to understand the interrelationships between these variables...
February 28, 2024: Animal
https://read.qxmd.com/read/38520770/confounding-factors-in-peripheral-thermal-recovery-time-after-active-cooling
#17
JOURNAL ARTICLE
Tomppa Pakarinen, Niku Oksala, Antti Vehkaoja
OBJECTIVES: The effectiveness of normal physiological thermoregulation complicates differentiation between pathologic changes in medical thermography associated with peripheral artery disease and a number of other clinical conditions. In this study we investigate a number of potential confounding factors to the thermal recovery rate after active limb cooling, with the main focus on age and sex. APPROACH: The source data consists of 53 healthy individuals with no diagnosed cardiovascular disease or reported symptoms and with a mean age of 38...
March 7, 2024: Journal of Thermal Biology
https://read.qxmd.com/read/38519772/argon-non-thermal-plasma-treatment-promotes-the-development-of-rice-oryza-sativa-l-in-saline-alkali-environments
#18
JOURNAL ARTICLE
Kai Liu, Yan-Jiang Feng, Jun-Xiang Guo, Gui-Ling Wang, Li-Li Shan, Shi-Wei Gao, Qing Liu, Hu-Nan Sun, Xi-Yu Li, Xing-Rong Sun, Jing-Yang Bian, Taeho Kwon
Soil salinization leads to a reduction in arable land area, which seriously endangers food security. Developing saline-alkali land has become a key measure to address the contradiction between population growth and limited arable land. Rice is the most important global food crop, feeding half of the world's population and making it a suitable choice for planting on saline-alkali lands. The traditional salt-alkali improvement method has several drawbacks. Currently, non-thermal plasma (NTP) technology is being increasingly applied in agriculture...
March 23, 2024: Protoplasma
https://read.qxmd.com/read/38518560/synthesis-of-shape-programmable-elastomer-for-a-bioresorbable-wireless-nerve-stimulator
#19
JOURNAL ARTICLE
Jun Hyeon Lim, Won Bae Han, Tae-Min Jang, Gwan-Jin Ko, Jeong-Woong Shin, Sungkeun Han, Heeseok Kang, Chan-Hwi Eom, So Jeong Choi, Kaveti Rajaram, Amay J Bandodkar, Woon-Hong Yeo, Suk-Won Hwang
Materials that have the ability to manipulate shapes in response to stimuli such as heat, light, humidity and magnetism offer a means for versatile, sophisticated functions in soft robotics or biomedical implants, while such a reactive transformation has certain drawbacks including high operating temperatures, inherent rigidity and biological hazard. Herein, we introduce biodegradable, self-adhesive, shape-transformable poly (L-lactide-co-ε-caprolactone) (BSS-PLCL) that can be triggered via thermal stimulation near physiological temperature (∼38 °C)...
March 16, 2024: Biosensors & Bioelectronics
https://read.qxmd.com/read/38517899/differing-physiological-performance-of-coexisting-cool-and-warmwater-fish-species-under-heatwaves-in-the-midwestern-united-states
#20
JOURNAL ARTICLE
Qihong Dai, Cory D Suski
Heatwaves are becoming more frequent and intensified with climate change. Freshwater ecosystems are among the most threatened, within which, differing responses between cool- and warmwater species to heatwaves can lead to fundamental changes in communities. Physiological experiments can identify potential mechanisms underlying the impacts of such heatwaves on fish communities. In the current study, we quantified the oxygen consumption rate, aerobic scope and swimming performance of cool- and warmwater fish species following the simulation of short-term heatwaves currently occurring in streams in the Midwestern United States...
2024: PloS One
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