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https://www.readbyqxmd.com/read/28726288/hot-dogs-high-ambient-temperatures-impact-reproductive-success-in-a-tropical-carnivore
#1
Rosie Woodroffe, Rosemary Groom, J Weldon McNutt
Climate change imposes an urgent need to recognise and conserve the species likely to be worst affected. However, while ecologists have mostly explored indirect effects of rising ambient temperatures on temperate and polar species, physiologists have predicted direct impacts on tropical species. The African wild dog (Lycaon pictus), a tropical species, exhibits few of the traits typically used to predict climate change vulnerability. Nevertheless, we predicted that wild dog populations might be sensitive to weather conditions, because the species shows strongly seasonal reproduction across most of its geographical range...
July 19, 2017: Journal of Animal Ecology
https://www.readbyqxmd.com/read/28710792/biophysical-investigation-of-type-a-putas-reveals-a-conserved-core-oligomeric-structure
#2
David A Korasick, Harkewal Singh, Travis A Pemberton, Min Luo, Richa Dhatwalia, John J Tanner
Many enzymes form homooligomers, yet the functional significance of self-association is seldom obvious. Herein, we examine the connection between oligomerization and catalytic function for proline utilization A (PutA) enzymes. PutAs are bifunctional enzymes that catalyze both reactions of proline catabolism. Type A PutAs are the smallest members of the family, possessing a minimal domain architecture consisting of N-terminal proline dehydrogenase and C-terminal L-glutamate-γ-semialdehyde dehydrogenase modules...
July 15, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28686221/evaluation-of-cyanea-capillata-sting-management-protocols-using-ex-vivo-and-in-vitro-envenomation-models
#3
Thomas K Doyle, Jasmine L Headlam, Christie L Wilcox, Eoin MacLoughlin, Angel A Yanagihara
Lion's mane jellyfish (Cyanea capillata) stings cause severe pain and can lead to dangerous systemic effects, including Irukandji-like syndrome. As is the case for most cnidarian stings, recommended medical protocols in response to such stings lack rigorous scientific support. In this study, we sought to evaluate potential first aid care protocols using previously described envenomation models that allow for direct measurements of venom activity. We found that seawater rinsing, the most commonly recommended method of tentacle removal for this species, induced significant increases in venom delivery, while rinsing with vinegar or Sting No More(®) Spray did not...
July 7, 2017: Toxins
https://www.readbyqxmd.com/read/28686000/effect-of-near-infrared-rays-on-female-menstrual-pain-in-korea
#4
Jin-Min Lee, Kye-Ha Kim
Most Korean women who experience menstrual pain have reported taking pain medicine and making use of complementary alternative therapies. However, because some interventions may cause side effects, more effective pain-relieving measures need to be identified. This study using a non-equivalent group design, evaluated the effects of near-infrared rays on dysmenorrhea among Korean women. The experimental group wore a near-infrared ray abdominal belt for the duration of one menstrual cycle until the end of the menstrual period, while the control group used hot packs...
July 7, 2017: Nursing & Health Sciences
https://www.readbyqxmd.com/read/28626312/bacterial-contamination-in-physical-therapy-departments-in-the-state-of-kuwait
#5
Sameera H Aljadi, Mashael Al-Shemmari, Jumana Al-Ramzi, Shoug Al-Abdullatif, Zahraa Hajeyah, Laila Jamal, Sara Al-Bahar
[Purpose] Interferential therapy and electrical stimulation are electrophysical modalities commonly used in physical therapy departments to treat patients with musculoskeletal problems. These machines are applied directly to the patient's skin via a medium or electrodes, which can facilitate the transmission of microorganisms from one patient to another. The purpose of this study was to determine the extent of microorganism contamination in the machines sponges at physical therapy departments in Kuwait hospitals...
June 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28619301/the-effects-of-gua-sha-on-symptoms-and-inflammatory-biomarkers-associated-with-chronic-low-back-pain-a-randomized-active-controlled-crossover-pilot-study-in-elderly
#6
RANDOMIZED CONTROLLED TRIAL
John W M Yuen, William W N Tsang, Sonny H M Tse, Wings T Y Loo, Suk-Tak Chan, Diana L Y Wong, Hilary H Y Chung, Jacky K K Tam, Thomas K S Choi, Vico C L Chiang
OBJECTIVE: To address the challenges for trialing with elderly and the lacking of valid sham/placebo control, a randomized crossover pilot study is designed and its feasibility on elderly subjects is evaluated. DESIGN: A pilot randomized crossover study was conducted with hydrocollator-based hot pack therapy as active control. Pain intensity, physical disability, depression, general health status, and salivary biomarkers were assessed as outcome measures. RESULTS: Despite there was no significant difference observed between any outcome measures attained by the two interventions, several important differences were noted during the one-week follow-up period...
June 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28561118/a-close-packed-3d-plasmonic-superlattice-of-truncated-octahedral-gold-nanoframes
#7
Jungkyung Yoon, Hee-Jeong Jang, Insub Jung, Sungho Park
We report the surface-enhanced Raman scattering (SERS) enhancement of three-dimensional (3D) close-packed plasmonic superlattices of truncated octahedral gold nanostructures. Experimentally, we resolved two different types of hot spots, one originates from the face-to-face contacts and the other is from the edge-to-edge contacts among the 3D close-packed plasmonic superlattice of gold nanostructures. The high degree of homogeneity of truncated octahedral Au@Pt nanoparticles (TOh Au@Pt NPs) and truncated octahedral Pt@Au nanoframes (TOh Pt@Au NFs) allowed them to self-assemble into remarkable 3D close-packed plasmonic superlattices...
May 31, 2017: Nanoscale
https://www.readbyqxmd.com/read/28535039/deposition-of-gold-nanotriangles-in-large-scale-close-packed-monolayers-for-x-ray-based-temperature-calibration-and-sers-monitoring-of-plasmon-driven-catalytic-reactions
#8
Ferenc Liebig, Radwan M Sarhan, Mathias Sander, Wouter Koopman, Roman Schuetz, Matias Bargheer, Joachim Koetz
Anisotropic plasmonic particles such as gold nanotriangles have extraordinary structural, optical, and physicochemical properties. For many applications in different fields, it is essential to prepare them in a chemically and physically stable, structurally well-defined manner, e.g., as large and uniform coverage on a substrate. We present a direct method for the large scale close-packed monolayer formation of edge-to-edge ordered, ultrathin crystalline gold nanotriangles on Si wafers or quartz glass via the transfer of these asymmetric particles to the air-liquid interface after adding ethanol-toluene mixtures without any subsequent surface functionalization...
May 31, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28525260/three-dimensional-visualization-and-characterization-of-polymeric-self-assemblies-by-transmission-electron-microtomography
#9
Hiroshi Jinnai, Takeshi Higuchi, Xiaodong Zhuge, Akihito Kumamoto, Kees Joost Batenburg, Yuichi Ikuhara
Self-assembling structures and their dynamical processes in polymeric systems have been investigated using three-dimensional transmission electron microscopy (3D-TEM). Block copolymers (BCPs) self-assemble into nanoscale periodic structures called microphase-separated structures, a deep understanding of which is important for creating nanomaterials with superior physical properties, such as high-performance membranes with well-defined pore size and high-density data storage media. Because microphase-separated structures have become increasingly complicated with advances in precision polymerization, characterizing these complex morphologies is becoming increasingly difficult...
May 19, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28465224/shoe-orthotics-for-the-treatment-of-chronic-low-back-pain-a-randomized-controlled-trial
#10
Jerrilyn A Cambron, Jennifer M Dexheimer, Manuel Duarte, Sally Freels
OBJECTIVES: To investigate the efficacy of shoe orthotics with and without chiropractic treatment for chronic low back pain compared with no treatment. DESIGN: Randomized controlled trial. SETTING: Integrative medicine teaching clinic at a university. PARTICIPANTS: Adult subjects (N=225) with symptomatic low back pain of ≥3 months were recruited from a volunteer sample. INTERVENTIONS: Subjects were randomized into 1 of 3 treatment groups (shoe orthotic, plus, and waitlist groups)...
April 30, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28453348/the-effect-of-therapeutic-whirlpool-and-hot-packs-on-hand-volume-during-rehabilitation-after-distal-radius-fracture-a-blinded-randomized-controlled-trial
#11
Mike Szekeres, Joy C MacDermid, Trevor Birmingham, Ruby Grewal, Emily Lalone
BACKGROUND: Edema is a possibility with all heating modalities due to the increase in local blood flow caused by vasodilation. Despite the frequent application of superficial heat modalities, their relative effect on hand volume has not been determined for the upper extremity. The objective of this study was to compare the immediate effects of hot packs and whirlpool on hand volume for patients with distal radius fracture (DRF) and to determine whether any changes in volume between these modalities were still present 30 minutes after heat application...
May 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28426077/robust-raspberry-like-metallo-dielectric-nanoclusters-of-critical-sizes-as-sers-substrates
#12
A Le Beulze, S Gomez-Graña, H Gehan, S Mornet, S Ravaine, M Correa-Duarte, L Guerrini, R A Alvarez-Puebla, E Duguet, E Pertreux, A Crut, P Maioli, F Vallée, N Del Fatti, O Ersen, M Treguer-Delapierre
Raspberry-like nano-objects made of large plasmonic satellites (>10 nm) covering a central dielectric particle have many potential applications as photonic materials, superlenses and (bio-) sensors, but their synthesis remains challenging. Herein, we show how to build stable and robust raspberry-like nano-systems with close-packed satellites, by combining monodisperse silica particles (80 or 100 nm diameter) and oppositely charged noble metal nanoparticles (Au or Ag) with well-defined sizes (10-50 nm). The spectral characteristics of their associated plasmonic resonances (wavelength, linewidth, extinction cross-section) and the electromagnetic coupling between satellites were observed using the spatial modulation spectroscopy technique and interpreted through a numerical model...
May 4, 2017: Nanoscale
https://www.readbyqxmd.com/read/28383375/comparison-of-vaginal-hysterectomy-techniques-and-interventions-for-benign-indications-a-systematic-review
#13
REVIEW
Peter C Jeppson, Sunil Balgobin, David D Rahn, Kristen A Matteson, Alexis A Dieter, David R Ellington, Sarit O Aschkenazi, Cara Grimes, Mamta M Mamik, Ethan M Balk, Miles Murphy
OBJECTIVE: To create evidence-based clinical practice guidelines based on a systematic review of published literature regarding the risks and benefits of available preoperative, intraoperative, and postoperative technical steps and interventions at the time of vaginal hysterectomy for benign indications. DATA SOURCES: We systematically searched the literature to identify studies that compared technical steps or interventions during the preoperative, intraoperative, and postoperative periods surrounding vaginal hysterectomy...
May 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28365814/comparing-the-phenotypic-susceptibility-of-pelibuey-and-katahdin-female-lambs-against-natural-gastrointestinal-nematode-infections-under-hot-humid-tropical-conditions
#14
J G Palomo-Couoh, A J Aguilar-Caballero, J F J Torres-Acosta, R González-Garduño
This study compared the phenotypic susceptibility of Pelibuey and Katahdin female lambs against gastrointestinal nematodes (GINs) under grazing conditions in the hot humid tropics of Mexico. The study was performed during the rainy season (August to October, 2014). It included 27 Pelibuey and 12 Katahdin female lambs from 6 months of age and live weight of 21.0 ± 3.7 and 23.3 ± 3.6 kg, respectively. Lambs were reared free of GIN infection before the study. The study lasted 91 days. Animals were weighed and sampled (blood and feces) on days 0 and 28 and every 7 days onwards...
April 1, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28314357/experimental-study-on-thermal-conductivity-and-hardness-of-cu-and-ni-nanoparticle-packed-bed-for-thermoelectric-application
#15
Zi-Zhen Lin, Cong-Liang Huang, Wen-Kai Zhen, Yan-Hui Feng, Xin-Xin Zhang, Ge Wang
The hot-wire method is applied in this paper to probe the thermal conductivity (TC) of Cu and Ni nanoparticle packed beds (NPBs). A different decrease tendency of TC versus porosity than that currently known is discovered. The relationship between the porosity and nanostructure is investigated to explain this unusual phenomenon. It is found that the porosity dominates the TC of the NPB in large porosities, while the TC depends on the contact area between nanoparticles in small porosities. Meanwhile, the Vickers hardness (HV) of NPBs is also measured...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28257201/synthesis-of-max-phases-in-the-zr-ti-al-c-system
#16
Bensu Tunca, Thomas Lapauw, Olesia M Karakulina, Maria Batuk, Thierry Cabioc'h, Joke Hadermann, Rémi Delville, Konstantina Lambrinou, Jozef Vleugels
This study reports on the synthesis and characterization of MAX phases in the (Zr,Ti)n+1AlCn system. The MAX phases were synthesized by reactive hot pressing and pressureless sintering in the 1350-1700 °C temperature range. The produced ceramics contained large fractions of 211 and 312 (n = 1, 2) MAX phases, while strong evidence of a 413 (n = 3) stacking was found. Moreover, (Zr,Ti)C, ZrAl2, ZrAl3, and Zr2Al3 were present as secondary phases. In general, the lattice parameters of the hexagonal 211 and 312 phases followed Vegard's law over the complete Zr-Ti solid solution range, but the 312 phase showed a non-negligible deviation from Vegard's law around the (Zr0...
March 3, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28231158/irradiation-maintains-functional-components-of-dry-hot-peppers-capsicum-annuum-l-under-ambient-storage
#17
Qumer Iqbal, Muhammad Amjad, Muhammad Rafique Asi, Aamir Nawaz, Samiya Mahmood Khan, Agustin Ariño, Tanveer Ahmad
Hot peppers used as natural flavoring and coloring agents are usually irradiated in prepacked form for decontamination. The effects of gamma radiation on the stability of functional components such as capsaicinoids and antioxidant compounds (carotenoids, ascorbic acid and total phenolics) were investigated in hot peppers (Capsicum annuum). Whole dried peppers packed in polyethylene bags were gamma irradiated at 0 (control), 2, 4, and 6 kGy and subsequently stored at 25 °C for 90 days. The irradiation dose did not substantially affect the initial contents of capsaicinoids, ascorbic acid and total phenolics, though the concentration of carotenoids declined by 8% from the control (76...
September 12, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28217358/crystal-structure-of-chlorido-bis-1-2-5-6-%C3%AE-cyclo-octa-1-5-diene-iridium-i
#18
A K Fazlur Rahman, Miles Wilklow-Marnell, William W Brennessel, William D Jones
The title complex, [IrCl(C8H12)2], was synthesized directly from the reaction of IrCl3·3H2O with a large excess of cod (cod = cyclo-octa-1,5-diene) in alcoholic solvent. Large yellow needles were obtained by the slow cooling of a hot solution. Based on the positions of the chloride ligand and the mid-points of the four C=C bonds, the mol-ecule adopts a five-coordinate geometry that is midway between square pyramidal and trigonal bipyramidal. The material crystallizes in the ortho-rhom-bic space group Pbca with one mol-ecule per asymmetric unit in a general position and shows no significant inter-molecular inter-actions...
February 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28216719/diagnosis-and-management-of-chronic-pruritus-an-expert-consensus-review
#19
REVIEW
Murlidhar Rajagopalan, Abir Saraswat, Kiran Godse, D S Krupa Shankar, Sanjiv Kandhari, Shrutakirthi D Shenoi, Sushil Tahiliani, V Vijay Zawar
The aim of this study is to formulate the best clinical practice in the diagnosis and management of chronic pruritus (CP). We searched PubMed, EMBASE, Scopus, Web of Science, and the WHO's regional databases, for studies on "Diagnosis and management of chronic pruritus" from January 1, 2014, to July 31, 2015. We included programmatic reports and hand-searched references of published reviews and articles. Two independent reviewers screened articles and extracted data. We screened 87 of 95 studies that contained qualitative data...
January 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28195970/reduction-of-physiological-strain-under-a-hot-and-humid-environment-by-a-hybrid-cooling-vest
#20
Albert P C Chan, Y Yang, Francis K W Wong, Michael C H Yam, Del P Wong, W F Song
Cooling treatment is regarded as one of good practices to provide safe training conditions to athletic trainers in the hot environment. The present study aimed to investigate whether wearing a commercial lightweight and portable hybrid cooling vest that combines air ventilation fans with frozen gel packs was an effective means to reduce participants' body heat strain. In this within-subject repeated measures study, 10 male volunteers participated in two heat-stress trials (one with the cooling vest - COOL condition, and another without - CON condition, in a randomized order) inside a climatic chamber with a controlled ambient temperature 33 °C and relative humidity (RH) 75% on an experimental day...
February 8, 2017: Journal of Strength and Conditioning Research
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