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https://www.readbyqxmd.com/read/28938722/novel-transcriptome-resources-for-three-scleractinian-coral-species-from-the-indo-pacific
#1
Carly D Kenkel, Line K Bay
Transcriptomic resources for coral species can provide insight into coral evolutionary history and stress-response physiology. Goniopora columna, Galaxea astreata, and Galaxea acrhelia are scleractinian corals of the Indo-Pacific, representing a diversity of morphologies and life-history traits. G. columna and G. astreata are common and cosmopolitan, while G. acrhelia is largely restricted to the coral triangle and Great Barrier Reef. Reference transcriptomes for these species were assembled from replicate colony fragments exposed to elevated (31°C) and ambient (27°C) temperatures...
September 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28937782/cold-water-immersion-cooling-rates-in-football-linemen-and-cross-country-runners-with-exercise-induced-hyperthermia
#2
Sandra Fowkes Godek, Katherine E Morrison, Gregory Scullin
CONTEXT:   Ideal and acceptable cooling rates in hyperthermic athletes have been established in average-sized participants. Football linemen (FBs) have a small body surface area (BSA) to mass ratio compared with smaller athletes, which hinders heat dissipation. OBJECTIVE:   To determine cooling rates using cold-water immersion in hyperthermic FBs and cross-country runners (CCs). DESIGN:   Cohort study. SETTING:   Controlled university laboratory...
September 22, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28935879/interlayer-excitons-in-a-bulk-van-der-waals-semiconductor
#3
Ashish Arora, Matthias Drüppel, Robert Schmidt, Thorsten Deilmann, Robert Schneider, Maciej R Molas, Philipp Marauhn, Steffen Michaelis de Vasconcellos, Marek Potemski, Michael Rohlfing, Rudolf Bratschitsch
Bound electron-hole pairs called excitons govern the electronic and optical response of many organic and inorganic semiconductors. Excitons with spatially displaced wave functions of electrons and holes (interlayer excitons) are important for Bose-Einstein condensation, superfluidity, dissipationless current flow, and the light-induced exciton spin Hall effect. Here we report on the discovery of interlayer excitons in a bulk van der Waals semiconductor. They form due to strong localization and spin-valley coupling of charge carriers...
September 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28935827/short-term-dietary-curcumin-supplementation-reduces-gastrointestinal-barrier-damage-and-physiological-strain-responses-during-exertional-heat-stress
#4
Mandy C Szymanski, Trevor L Gillum, Lacey M Gould, David S Morin, Matthew R Kuennen
PURPOSE: This work investigated the effect of 3d of 500mg/d dietary curcumin supplementation on gastrointestinal (GI) barrier damage and systems-physiology responses to exertional heat stress in non-heat acclimated humans. METHODS: Eight participants ran (65%VO2max) for 60min in a Darwin® chamber (37°C/25%RH) two times (Curcumin/Placebo). Intestinal fatty acid binding protein (I-FABP) and associated pro-inflammatory (MCP-1, TNFα, IL-6) and anti-inflammatory (IL-1RA, IL-10) cytokines were assayed from plasma collected before (Pre), after (Post), 1hr (1-Post), and 4hrs after (4-Post) exercise...
September 21, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28931363/a-guideline-based-policy-to-decrease-intensive-care-unit-admission-rates-for-accidental-hypothermia
#5
Herman R Sequeira, Hesham E Mohamed, Neal Hakimi, Dorothy B Wakefield, Jonathan Fine
RATIONALE: Despite guidelines advising passive rewarming for mild accidental hypothermia (AH), patients are frequently admitted to intensive care unit (ICU) for active rewarming using a forced-air warming device. We implemented a new policy at our institution aimed at safely reducing ICU admissions for AH. We analyzed our practice pre- and post-policy intervention and compared our experiences with acute care hospitals in Connecticut. METHODS: A retrospective chart review was performed on 203 participants with AH identified by primary and secondary discharge codes...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28929462/can-body-temperature-dysregulation-explain-the-co-occurrence-between-overweight-obesity-sleep-impairment-late-night-eating-and-a-sedentary-lifestyle
#6
REVIEW
Rhonda F Brown, Einar B Thorsteinsson, Michael Smithson, C Laird Birmingham, Hessah Aljarallah, Christopher Nolan
PURPOSE: Overweight/obesity, sleep disturbance, night eating, and a sedentary lifestyle are common co-occurring problems. There is a tendency for them to co-occur together more often than they occur alone. In some cases, there is clarity as to the time course and evolution of the phenomena. However, specific mechanism(s) that are proposed to explain a single co-occurrence cannot fully explain the more generalized tendency to develop concurrent symptoms and/or disorders after developing one of the phenomena...
September 19, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28928385/dually-functioned-core-shell-nayf4-er-3-yb-3-nayf4-tm-3-yb-3-nanoparticles-as-nano-calorifiers-and-nano-thermometers-for-advanced-photothermal-therapy
#7
Yanqiu Zhang, Baojiu Chen, Sai Xu, Xiangping Li, Jinsu Zhang, Jiashi Sun, Hui Zheng, Lili Tong, Guozhu Sui, Hua Zhong, Haiping Xia, Ruinian Hua
To realize photothermal therapy (PTT) of cancer/tumor both the photothermal conversion and temperature detection are required. Usually, the temperature detection in PTT needs complicated instruments, and the therapy process is out of temperature control in the present investigations. In this work, we attempt to develop a novel material for achieving both the photothermal conversion and temperature sensing and control at the same time. To this end, a core-shell structure with NaYF4:Er(3+)/Yb(3+) core for temperature detection and NaYF4:Tm(3+)/Yb(3+) shell for photothermal conversion was designed and prepared...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28926732/multifunctional-mesoporous-zro2-encapsulated-upconversion-nanoparticles-for-mild-nir-light-activated-synergistic-cancer-therapy
#8
Lili Feng, Shili Gai, Fei He, Yunlu Dai, Chongna Zhong, Piaoping Yang, Jun Lin
Desirable nanosystem that could not only deliver drugs safely and effectively into tumor sites, but also be expected to serve as photosensitizer to realize the photodynamic therapeutic function, would be of great significance in the synergistic cancer therapy. To perform this task, a multifunctional nanosystem has been developed for markedly enhanced cancer therapeutic efficacy by loading chemotherapy agent (doxorubicin hydrochloride, DOX) and photosensitive drug chlorin e6 (Ce6) into the channels of mesoporous zirconium dioxide (ZrO2) layer which coats on Nd(3+)-doped upconversion nanoparticles (UCNPs)...
September 13, 2017: Biomaterials
https://www.readbyqxmd.com/read/28926272/collective-lasing-behavior-of-monolithic-gan-ingan-core-shell-nanorod-lattice-under-room-temperature
#9
Chia-Yen Huang, Jing-Jie Lin, Tsu-Chi Chang, Che-Yu Liu, Tzu-Ying Tai, Kuo-Bin Hong, Tien-Chang Lu, Hao-Chung Kuo
We demonstrated a monolithic GaN-InGaN core-shell nanorod lattice lasing under room temperature. The threshold pumping density was as low as 140 kW/cm2 with a quality factor as high as 1940. The narrow mode spacing between lasing peaks suggested a strong coupling between adjacent whisper gallery modes (WGM), which was confirmed with the far-field patterns. Excitation area dependent photoluminescence revealed that the long-wavelength lasing modes dominated the collective lasing behavior under a large excitation area...
September 19, 2017: Nano Letters
https://www.readbyqxmd.com/read/28926230/formation-and-characterization-of-hydrogen-boride-sheets-derived-from-mgb2-by-cation-exchange
#10
Hiroaki Nishino, Takeshi Fujita, Nguyen Thanh Cuong, Satoshi Tominaka, Masahiro Miyauchi, Soshi Iimura, Akihiko Hirata, Naoto Umezawa, Susumu Okada, Eiji Nishibori, Asahi Fujino, Tomohiro Fujimori, Shin-Ichi Ito, Junji Nakamura, Hideo Hosono, Takahiro Kondo
Two-dimensional (2D) materials are promising for applications in a wide range of fields because of their unique properties. Hydrogen boride sheets, a new 2D material recently predicted from theory, exhibit intriguing electronic and mechanical properties as well as hydrogen storage capacity. Here, we report the experimental realization of 2D hydrogen boride sheets with an empirical formula of H1B1, produced by exfoliation and complete ion-exchange between protons and magnesium cations in magnesium diboride (MgB2) with an average yield of 42...
September 19, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28923548/survival-of-extensively-damaged-endodontically-treated-incisors-restored-with-different-types-of-posts-and-core-foundation-restoration-material
#11
Priscilla Cardoso Lazari, Marco Aurélio de Carvalho, Altair A Del Bel Cury, Pascal Magne
STATEMENT OF PROBLEM: Which post-and-core combination will best improve the performance of extensively damaged endodontically treated incisors without a ferrule is still unclear. PURPOSE: The purpose of this in vitro study was to investigate the restoration of extensively damaged endodontically treated incisors without a ferrule using glass-ceramic crowns bonded to various composite resin foundation restorations and 2 types of posts. MATERIAL AND METHODS: Sixty decoronated endodontically treated bovine incisors without a ferrule were divided into 4 groups and restored with various post-and-core foundation restorations...
September 16, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28923118/hypothermia-for-encephalopathy-in-low-and-middle-income-countries-helix-study-protocol-for-a-randomised-controlled-trial
#12
Sudhin Thayyil, Vania Oliveira, Peter J Lally, Ravi Swamy, Paul Bassett, Mani Chandrasekaran, Jayashree Mondkar, Sundaram Mangalabharathi, Naveen Benkappa, Arasar Seeralar, Mohammod Shahidullah, Paolo Montaldo, Jethro Herberg, Swati Manerkar, Kumutha Kumaraswami, Chinnathambi Kamalaratnam, Vinayagam Prakash, Rema Chandramohan, Prathik Bandya, Mohammod Abdul Mannan, Ranmali Rodrigo, Mohandas Nair, Siddarth Ramji, Seetha Shankaran
BACKGROUND: Therapeutic hypothermia reduces death and disability after moderate or severe neonatal encephalopathy in high-income countries and is used as standard therapy in these settings. However, the safety and efficacy of cooling therapy in low- and middle-income countries (LMICs), where 99% of the disease burden occurs, remains unclear. We will examine whether whole body cooling reduces death or neurodisability at 18-22 months after neonatal encephalopathy, in LMICs. METHODS: We will randomly allocate 408 term or near-term babies (aged ≤ 6 h) with moderate or severe neonatal encephalopathy admitted to public sector neonatal units in LMIC countries (India, Bangladesh or Sri Lanka), to either usual care alone or whole-body cooling with usual care...
September 18, 2017: Trials
https://www.readbyqxmd.com/read/28921821/iridium-catalyzed-direct-c-h-amidation-polymerization-step-growth-polymerization-by-c-n-bond-formation-via-c-h-activation-to-give-fluorescent-polysulfonamides
#13
Tae-Lim Choi, Jang Yoon-Jung, Soon-Hyeok Hwang
We report a powerful strategy for activation of C-H bonds to produce polysulfonamides by an atom-economical and green method using iridium-catalyzed direct C-H amidation polymerization (DCAP). After screening various directing groups, additives, silver salts, concentrations, and temperatures to optimize DCAP, high molecular-weight (up to 149 kDa) and defect-free polysulfonamides were synthesized from various bis-sulfonyl azides. Although these polymers do not have conventional fluorescent conjugated cores, they emit blue light with large Stokes shifts and high quantum yields upon photoexcitation, due to excited-state intramolecular proton transfer process...
September 15, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28919577/some-properties-of-three-%C3%AE-b-crystallin-mutants-carrying-point-substitutions-in-the-c-terminal-domain-and-associated-with-congenital-diseases
#14
Evgenia S Gerasimovich, Sergei V Strelkov, Nikolai B Gusev
Physico-chemical properties of G154S, R157H and A171T mutants of αB-crystallin (HspB5) associated with congenital human diseases including certain myopathies and cataract were investigated. Oligomers formed by G154S and A171T mutants have the size and apparent molecular weight indistinguishable from those of the wild-type HspB5, whereas the size of oligomers formed by R157H mutant is slightly smaller. All mutants are less thermostable and start to aggregate at a lower temperature than the wild-type protein...
September 14, 2017: Biochimie
https://www.readbyqxmd.com/read/28919018/de-novo-transcriptome-assembly-of-the-calanoid-copepod-neocalanus-flemingeri-a-new-resource-for-emergence-from-diapause
#15
Vittoria Roncalli, Matthew C Cieslak, Stephanie A Sommer, Russell R Hopcroft, Petra H Lenz
Copepods, small planktonic crustaceans, are key links between primary producers and upper trophic levels, including many economically important fishes. In the subarctic North Pacific, the life cycle of copepods like Neocalanus flemingeri includes an ontogenetic migration to depth followed by a period of diapause (a type of dormancy) characterized by arrested development and low metabolic activity. The end of diapause is marked by the production of the first brood of eggs. Recent temperature anomalies in the North Pacific have raised concerns about potential negative effects on N...
September 14, 2017: Marine Genomics
https://www.readbyqxmd.com/read/28918640/supramolecular-interaction-assisted-fluorescence-and-tunable-stimuli-responsiveness-of-l-phenylalanine-based-polymers
#16
Mridula Nandi, Binoy Maiti, Kambalapalli Srikanth, Priyadarsi De
Supramolecular host-guest interaction between randomly methylated β-cyclodextrin (RM β-CD) and side-chain phenylalanine (Phe) and Phe-Phe dipeptide based homopolymers has been employed for amplification of fluorescence emission of otherwise weakly fluorescent amino acid Phe. The host-guest complex has been characterized by 1H and 13C NMR spectroscopy, two-dimensional (2D) rotating-frame overhauser spectroscopy (ROESY), FT-IR, UV-visible and fluorescence spectroscopy. To gain insights into the origin of fluorescence in homopolymers, density functional theory (DFT) calculations were performed where phenyl moieties inside the less polar core of β-CD were observed to form π-π coupled complex resulting in enhanced emission...
September 18, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28917907/microencapsulation-of-eugenia-uniflora-l-juice-by-spray-drying-using-fructans-with-different-degrees-of-polymerisation
#17
R I Ortiz-Basurto, M E Rubio-Ibarra, J A Ragazzo-Sanchez, C I Beristain, M Jiménez-Fernández
The objective of this work was to microencapsulate pitanga (Eugenia uniflora L.) juice by spray drying, using High Performance Agave Fructans (HPAF) and High Degree of Polymerisation Agave Fructans (HDPAF) and maltodextrin (MD), respectively, as the wall materials. The physicochemical and antioxidant properties of the capsules during storage at various temperatures were evaluated. The microparticles developed using fructans HPAF and HDPAF, exhibited similar physicochemical and flow properties to those presented by the microparticles prepared with MD...
November 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28915037/reactivity-of-a-fes-surface-under-room-temperature-exposure-to-nitrogen-and-h2s
#18
Miguel Angel Angel Niño, Eduardo Flores, Carlos Sanchez, Juan M Rojo
The reactivity of an iron monosulfide surface exposed at room temperature to molecular nitrogen and hydrogen sulfide has been investigated using X-ray photoemission spectroscopy (XPS) and thermal desorption spectroscopy (TDS). We have observed adsorption of nitrogen at room temperature that depends on the surface nanostructure and on the electronic state of nitrogen. The subsequent reaction of this adsorbed nitrogen with hydrogen sulfide results in depletion of the nitrogen surface content which can be interpreted in terms of ammonia formation...
September 15, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28914898/highly-sensitive-temperature-sensor-based-on-an-ultra-compact-mach-zehnder-interferometer-with-side-opened-channels
#19
Ming Deng, Leiguang Liu, Yong Zhao, Guolu Yin, Tao Zhu
We demonstrated an ultra-compact and highly sensitive temperature sensor by using an in-fiber Mach-Zehnder interferometer (MZI) with side-opened channels. The MZI was constructed by off-center splicing a thin piece of microstructured optical fiber (MOF) between two single-mode fibers. Then, two side-opened channels were drilled through the MOF along the transverse direction by using a femtosecond laser to let the liquid with a high thermo-optic coefficient enter into the air cavity of the MZI. Due to the large effective refractive index (RI) difference between the core mode and the cavity mode excited by the offset splicing point, the scale of the MOF-based MZI can be reduced to several hundred micrometers...
September 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28914060/nuclear-spin-symmetry-conservation-in-1-h2-16-o-investigated-by-direct-absorption-ftir-spectroscopy-of-water-vapor-cooled-down-in-supersonic-expansion
#20
Robert Georges, Xavier Michaut, Audrey Moudens, Manuel Goubet, Olivier Pirali, Pascale Soulard, Pierre Asselin, Therese R Huet, Pascale Roy, Martin Fournier, Andrey A Vigasin
We report the results of an experimental study related to the relaxation of the nuclear spin isomers of the water molecule in a supersonic expansion. Rovibrational lines of both ortho- and para- spin isomers were recorded in the spectral range of H2O stretching vibrations around 3700 cm(-1) using FTIR direct absorption. Water vapor seeded either in argon, helium, oxygen or in a mixture of oxygen and argon was expanded into vacuum through a slit nozzle. Partial water vapor pressure in the mixture varied in a wide range from 1...
September 15, 2017: Journal of Physical Chemistry. A
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