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https://www.readbyqxmd.com/read/29341873/differences-in-heart-rate-reserve-of-similar-physical-activities-during-work-and-in-leisure-time-a-study-among-danish-blue-collar-workers
#1
Pieter Coenen, Mette Korshøj, David M Hallman, Maaike A Huysmans, Allard J van der Beek, Leon M Straker, Andreas Holtermann
Recent studies suggest that while leisure-time physical activity (LTPA) promotes general health, engaging in occupational physical activity (OPA) may have negative health consequences. It has been hypothesized that the different health effects from OPA and LTPA can be explained by differences in physical activity (PA) intensity in these two domains. To assess the intensity of OPA and LTPA, we aimed to study the percentage heart rate reserve (%HRR) during similar types of OPA and LTPA during workdays. Data from the NOMAD study on Danish blue-collar workers (n=124) with objective measurements of PA (using accelerometers) and heart rate (using heart rate monitors) for 4 workdays were analysed...
January 13, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29337917/the-hydrocolor-app-above-water-measurements-of-remote-sensing-reflectance-and-turbidity-using-a-smartphone-camera
#2
Thomas Leeuw, Emmanuel Boss
HydroColor is a mobile application that utilizes a smartphone's camera and auxiliary sensors to measure the remote sensing reflectance of natural water bodies. HydroColor uses the smartphone's digital camera as a three-band radiometer. Users are directed by the application to collect a series of three images. These images are used to calculate the remote sensing reflectance in the red, green, and blue broad wavelength bands. As with satellite measurements, the reflectance can be inverted to estimate the concentration of absorbing and scattering substances in the water, which are predominately composed of suspended sediment, chlorophyll, and dissolved organic matter...
January 16, 2018: Sensors
https://www.readbyqxmd.com/read/29331306/primary-mucinous-eccrine-carcinoma-of-the-buccal-space-a-case-report-and-review-of-the-literature
#3
Kirkland N Lozada, Muhammed S Qazi, Azita S Khorsandi, Raymond L Chai
IMPORTANCE: Mucinous eccrine carcinoma is a rare entity that most commonly affects the head and neck. Due to its low frequency of occurrence, review of its etiology, histopathology, and treatment strategies is beneficial to all clinicians who may encounter similar appearing masses. OBSERVATION: An 84-year-old male presented with a blue mass on the left cheek. This mass started as a small bump and grew significantly over one year. His primary care physician monitored its growth and ultimately referred to an otolaryngologist...
January 5, 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29329303/efficacy-of-lateral-versus-medial-approach-hip-joint-capsule-denervation-as-surgical-treatments-of-the-hip-joint-pain-a-neuronal-tract-tracing-study-in-the-sheep
#4
Waldemar Sienkiewicz, Agnieszka Dudek, Krzysztof Czaja, Maciej Janeczek, Aleksander Chrószcz, Jerzy Kaleczyc
OBJECTIVE: To evaluate efficacy of denervation of the of the hip joint capsule (HJC), as a treatment of hip joint pain. Specifically, we tested the hypothesis that HJC denervation will significantly reduce the number of sensory neurons innervating the capsule. STUDY DESIGN: Denervation of the HJC from a medial or lateral approach was followed by retrograde tracing of sensory neurons innervating the capsule. ANIMALS: Twenty adult male sheep (30-40 kg of body weight; Polish merino breed) were used in the study...
2018: PloS One
https://www.readbyqxmd.com/read/29327753/recyclable-fe3o4-nayf4-yb-tm-tio2-nanocomposites-with-near-infrared-enhanced-photocatalytic-activity
#5
Yan Lv, Lin Yue, Qian Li, Baoyi Shao, Sen Zhao, Haitao Wang, Shijia Wu, Zhouping Wang
Herein, the design and synthesis of a multifunctional (Fe3O4-NaYF4:Yb,Tm)@TiO2 photocatalyst through a facile sol-gel process combined with electrostatic self-assembly has been reported. Particularly, as an upconversion sensor, NaYF4:Yb,Tm nanoparticles have the ability to convert near-infrared (NIR) light into ultraviolet (UV) emissions, so that the catalytic body TiO2 can indirectly utilize the NIR part of sunlight but not UV light. The excellent photocatalytic activity of the hybrid samples is evaluated using a model of the degradation of methylene blue (MB)...
January 12, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29322461/enhanced-methodologies-for-detecting-phenotypic-resistance-in-mycobacteria
#6
Robert J H Hammond, Vincent O Baron, Sam Lipworth, Stephen H Gillespie
Lipid droplets found in algae and other microscopic organisms have become of interest to many researchers partially because they carry the capacity to produce bio-oil for the mass market. They are of importance in biology and clinical practice because their presence can be a phenotypic marker of an altered metabolism, including reversible resistance to antibiotics, prompting intense research.A useful stain for detecting lipid bodies in the lab is Nile red. It is a dye that exhibits solvatochromism; its absorption band varies in spectral position, shape and intensity with the nature of its solvent environment, it will fluoresce intensely red in polar environment and blue shift with the changing polarity of its solvent...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29320407/biodistribution-and-clearance-of-stable-superparamagnetic-maghemite-iron-oxide-nanoparticles-in-mice-following-intraperitoneal-administration
#7
Binh T T Pham, Emily K Colvin, Nguyen T H Pham, Byung J Kim, Emily S Fuller, Elizabeth A Moon, Raphael Barbey, Samuel Yuen, Barry H Rickman, Nicole S Bryce, Stephanie Bickley, Marcel Tanudji, Stephen K Jones, Viive M Howell, Brian S Hawkett
Nanomedicine is an emerging field with great potential in disease theranostics. We generated sterically stabilized superparamagnetic iron oxide nanoparticles (s-SPIONs) with average core diameters of 10 and 25 nm and determined the in vivo biodistribution and clearance profiles. Healthy nude mice underwent an intraperitoneal injection of these s-SPIONs at a dose of 90 mg Fe/kg body weight. Tissue iron biodistribution was monitored by atomic absorption spectroscopy and Prussian blue staining. Histopathological examination was performed to assess tissue toxicity...
January 10, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29314195/methylene-blue-induced-heinz-body-hemolytic-anemia-in-a-premature-neonate
#8
Lewis Vanhinsbergh, Sabita Uthaya, Barbara J Bain
No abstract text is available yet for this article.
January 5, 2018: American Journal of Hematology
https://www.readbyqxmd.com/read/29313407/sense-of-coherence-smoking-status-biochemical-cardiovascular-risk-factors-and-body-mass-in-blue-collar-workers-short-report
#9
Anna Najder
The crucial cause of cardiovascular disorders is atherosclerosis developed by abnormal cholesterols levels or disorders affecting blood glucose. One of the best-known cardiovascular risk factors is also tobacco smoking. Simultaneously, sense of coherence (SoC) as a personal resource motivating to managing one's own health behaviors, such as avoiding tobacco smoking, was reported to be protective against coronary heart disease. Such association was observed in white-collar workers but not in blue-collar workers...
January 1, 2018: American Journal of Men's Health
https://www.readbyqxmd.com/read/29310849/fat-burner-induced-acute-liver-injury-case-series-of-four-patients
#10
Aleksandar Gavrić, Marija Ribnikar, Lojze Šmid, Boštjan Luzar, Borut Štabuc
Dietary supplements known as "fat burners" are typically marketed with claims of increasing energy expenditure through alterations in fat metabolism. They are marketed as natural products and their use is thus perceived as a safe body weight reduction strategy. We report on five episodes of liver injury in four patients. Liver injury was associated with consumption of different commercially available fat burners: Green tea extract (Camellia sinensis), Garcinia gummi-gutta, green coffee beans, and spirulina (blue-green algae)...
November 6, 2017: Nutrition
https://www.readbyqxmd.com/read/29310227/quantitative-analysis-of-drug-distribution-by-ambient-mass-spectrometry-imaging-method-with-signal-extinction-normalization-strategy-and-inkjet-printing-technology
#11
Zhigang Luo, Jingjing He, Jiuming He, Lan Huang, Xiaowei Song, Xin Li, Zeper Abliz
Quantitative mass spectrometry imaging (MSI) is a robust approach that provides both quantitative and spatial information for drug candidates' research. However, because of complicated signal suppression and interference, acquiring accurate quantitative information from MSI data remains a challenge, especially for whole-body tissue sample. Ambient MSI techniques using spray-based ionization appear to be ideal for pharmaceutical quantitative MSI analysis. However, it is more challenging, as it involves almost no sample preparation and is more susceptible to ion suppression/enhancement...
March 1, 2018: Talanta
https://www.readbyqxmd.com/read/29302969/a-transparent-polymeric-strain-sensor-for-monitoring-vital-signs-and-beyond
#12
Hanguang Wu, Qiang Liu, Wencheng Du, Chun Li, Gaoquan Shi
Wearable sensors that can precisely detect vital signs are highly desirable for monitoring personal health conditions and medical diagnosis. In this paper, we report an ultrasensitive strain sensor consisting of a 150 nm-thick highly conductive dimethylsulfoxide (DMSO) doped poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) sensing layer and an elastic fluorosilicone rubber substrate. This sensor exhibits a high sensitivity at small strains (e.g., gauge factor at 0.6% strain = 280), low limit of detection (<0...
January 5, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29300852/progeny-density-and-nest-availability-affect-parasitism-risk-and-reproduction-in-a-solitary-bee-osmia-lignaria-hymenoptera-megachilidae
#13
Shahla Farzan
Gregarious nesting behavior occurs in a broad diversity of solitary bees and wasps. Despite the prevalence of aggregative nesting, the underlying drivers and fitness consequences of this behavior remain unclear. I investigated the effect of two key characteristics of nesting aggregations (cavity availability and progeny density) on reproduction and brood parasitism rates in the blue orchard bee (Osmia lignaria Say) (Hymenoptera: Megachilidae), a solitary species that nests gregariously and appears to be attracted to nesting conspecifics...
December 30, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/29284146/antioxidative-and-immunostimulatory-effect-of-dietary-cinnamon-nanoparticles-on-the-performance-of-nile-tilapia-oreochromis-niloticus-l-and-its-susceptibility-to-hypoxia-stress-and-aeromonas-hydrophila-infection
#14
Mohsen Abdel-Tawwab, Fatma Samir, Asmaa S Abd El-Naby, Mohamed N Monier
An experiment was conducted to evaluate the effect of dietary cinnamon nanoparticles (CNP) on growth performance, antioxidant and digestive enzymes activities, and innate immunity of Nile tilapia, Oreochromis niloticus (L.). Fish (9.7 ± 0.3 g) were fed on diets enriched with 0.0, 0.25, 0.5, 1.0, 3.0, 5.0, and 10.0 g CNP/kg diet for 8 weeks. After the feeding trial, fish were challenged against hypoxia stress or pathogenic bacteria (Aeromonas hydrophila) infection. Fish performance was significantly improved with increasing CNP levels over the control diet...
December 25, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29283878/occupational-cns-aspergillosis-in-an-immunocompetent-individual-a-diagnostic-challange
#15
Parul Punia, Nidhi Goel, Ishwar Singh, Uma Chaudhary
INTRODUCTION: Immunocompetent individuals are rarely affected by Aspergillus species and its prime importance lies in immunocompromised patients where it can cause disease, ranging from primarily pulmonary infections to dissemination anywhere in the body. Invasive aspergillosis (IA) occurs in patients with risk factors including prolonged neutropenia, neutrophil dysfunction, patient on cytotoxic drugs, steroid therapy, hematological malignancy, AIDS or in patients with bone marrow transplantation...
December 28, 2017: Archives of Environmental & Occupational Health
https://www.readbyqxmd.com/read/29276045/phodags-enable-optical-control-of-diacylglycerol-sensitive-transient-receptor-potential-channels
#16
Trese Leinders-Zufall, Ursula Storch, Katherin Bleymehl, Michael Mederos Y Schnitzler, James A Frank, David B Konrad, Dirk Trauner, Thomas Gudermann, Frank Zufall
Diacylglycerol-sensitive transient receptor potential (TRP) channels play crucial roles in a wide variety of biological processes and systems, but their activation mechanism is not well understood. We describe an optical toolkit by which activation and deactivation of these ion channels can be controlled with unprecedented speed and precision through light stimuli. We show that the photoswitchable diacylglycerols PhoDAG-1 and PhoDAG-3 enable rapid photoactivation of two DAG-sensitive TRP channels, Trpc2 and TRPC6, upon stimulation with UV-A light, whereas exposure to blue light terminates channel activation...
December 6, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/29275569/-establishment-of-rat-model-with-diabetes-mellitus-and-concomitant-periodontitis-and-the-carotid-artery-lesions-in-the-model-rats
#17
X Y Ren, C Wang, X Liu, H Li, J H Gao, X J Ge
Objectives: To establish SD rat model with type 2 diabetes mellitus (DM) and concomitant chronic periodontitis (CP) and to evaluate the influence of periodontitis on the vascular lesions of type 2 diabetes rats. Methods: Totally 241 clean level SD rats were randomly divided into four groups, group A (normal control, NC, n=27), group B (DM, n=34), group C (CP, n=90) and group D (DM+CP, n=90). The rats of DM group were fed with high-fat and high-sugar diet for 8 to 10 weeks, and then were multiply injected with small dose streptozotocin under the condition of ice bath...
December 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/29259899/infliximab-relieves-blood-retinal-barrier-breakdown-through-the-p38-mapk-pathway-in-a-diabetic-rat-model
#18
Mao-Song Xie, Yong-Zheng Zheng, Li-Bin Huang, Guo-Xing Xu
AIM: To clarify the mechanism of infliximab treatment in diabetic macular edema (DME) and to provide a new alternative therapy for DME. METHODS: Rats were randomly divided into the control group, the model group and the infliximab treatment group. A diabetic rat model was created. The concentration of TNF-α in the vitreous body was detected by ELISA. The expressions of B-Raf, p38, claudin-1 and occludin in the retina were detected by Western blot. The integrity of the blood retinal barrier (BRB) was measured using Evan's blue as a tracer...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29247694/the-selective-cleaning-behaviour-of-juvenile-blue-headed-wrasse-thalassoma-bifasciatum-in-the-caribbean
#19
Katie Dunkley, Jo Cable, Sarah E Perkins
Through the removal of parasites, dead skin and mucus from the bodies of visiting reef fish (clients), cleaner fish have a significant ecosystem function in the ecology of coral reefs. Cleaners gain nutrition from these interactions and through offering a 'service' are afforded protection from predators. Given these benefits, it is unclear why more fish do not engage in cleaning, and why part-time cleaning strategies exist. On coral reefs, dedicated species clean throughout their life, whereas some species are facultative, employing opportunistic and/or temporary cleaning strategies...
December 13, 2017: Behavioural Processes
https://www.readbyqxmd.com/read/29237457/the-role-of-src-erk1-2-kinases-in-inspiratory-resistive-breathing-induced-acute-lung-injury-and-inflammation
#20
Dimitrios Toumpanakis, Vyronia Vassilakopoulou, Ioanna Sigala, Panagiotis Zacharatos, Ioanna Vraila, Vassiliki Karavana, Stamatios Theocharis, Theodoros Vassilakopoulos
BACKGROUND: Inspiratory resistive breathing (IRB), a hallmark of obstructive airway diseases, is associated with large negative intrathoracic pressures, due to strenuous contractions of the inspiratory muscles. IRB is shown to induce lung injury in previously healthy animals. Src is a multifunctional kinase that is activated in the lung by mechanical stress. ERK1/2 kinase is a downstream target of Src. We hypothesized that Src is activated in the lung during IRB, mediates ERK1/2 activation and IRB-induced lung injury...
December 13, 2017: Respiratory Research
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