keyword
MENU ▼
Read by QxMD icon Read
search

cooling

keyword
https://www.readbyqxmd.com/read/28927007/carrier-multiplication-mechanisms-and-competing-processes-in-colloidal-semiconductor-nanostructures
#1
REVIEW
Stephen V Kershaw, Andrey L Rogach
Quantum confined semiconductor nanoparticles, such as colloidal quantum dots, nanorods and nanoplatelets have broad extended absorption spectra at energies above their bandgaps. This means that they can absorb light at high photon energies leading to the formation of hot excitons with finite excited state lifetimes. During their existence, the hot electron and hole that comprise the exciton may start to cool as they relax to the band edge by phonon mediated or Auger cooling processes or a combination of these...
September 18, 2017: Materials
https://www.readbyqxmd.com/read/28927004/large-electrocaloric-effect-in-lead-free-ba0-85ca0-15-zr0-1ti0-9-o%C3%A2-ceramics-prepared-via-citrate-route
#2
Jing Shi, Rongfeng Zhu, Xing Liu, Bijun Fang, Ningyi Yuan, Jianning Ding, Haosu Luo
The 1 wt % Li-doped (Ba0.85Ca0.15)(Zr0.1Ti0.9)O₃ (BCZT-Li) ceramics prepared by the citrate method exhibit improved phase purity, densification and electrical properties, which provide prospective possibility to develop high-performance electrocaloric materials. The electrocaloric effect was evaluated by phenomenological method, and the BCZT-Li ceramics present large electrocaloric temperature change ∆T, especially large electrocaloric responsibility ξ = ∆Tmax/∆Emax, which can be comparable to the largest values reported in the lead-free piezoelectric ceramics...
September 18, 2017: Materials
https://www.readbyqxmd.com/read/28926797/experimental-study-of-radiation-dose-rate-at-different-strategic-points-of-the-baec-triga-research-reactor
#3
M Ajijul Hoq, M A Malek Soner, M A Salam, M M Haque, Salma Khanom, S M Fahad
The 3MW TRIGA Mark-II Research Reactor of Bangladesh Atomic Energy Commission (BAEC) has been under operation for about thirty years since its commissioning at 1986. In accordance with the demand of fundamental nuclear research works, the reactor has to operate at different power levels by utilizing a number of experimental facilities. Regarding the enquiry for safety of reactor operating personnel and radiation workers, it is necessary to know the radiation level at different strategic points of the reactor where they are often worked...
September 9, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28926771/a-new-low-temperature-solid-modification-in-1-isothiocyanato-4-trans%C3%A2-4-propylcyclohexyl-benzene-3chbt-probed-by-raman-spectroscopy-and-quantum-chemical-calculations
#4
K Vikram, Ranjan K Singh, Satyendra Nath Gupta
Raman spectra of 1-isothiocyanato-4-(trans 4-propylcyclohexyl)benzene (3CHBT) were studied in the region, 1450-2300cm(-1) at twenty two different temperatures in the range, 83-293K in cooling and heating cycles. All bands in this region were critically evaluated in term of linewidth, peak position and relative intensity. Raman bands at ~2085cm(-1) and ~2120cm(-1) shows clear evidence of a solid modification through anomaly in temperature dependence peak positions and linewidths variation in the temperature range 173-203K...
September 14, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28926642/a-late-holocene-pollen-record-from-proglacial-oblong-tarn-mount-kenya
#5
Colin J Courtney Mustaphi, Konrad Gajewski, Rob Marchant, Gunhild Rosqvist
High-elevation ecosystems, such as those on Mount Kenya are undergoing significant changes, with accelerated glacial ice losses over the twentieth century creating new space for alpine plants to establish. These ecosystems respond rapidly to climatic variability and within decades of glacial retreat, Afroalpine pioneering taxa stabilize barren land and facilitate soil development, promoting complex patches of alpine vegetation. Periglacial lake sediment records can be used to examine centennial and millennial scale variations in alpine and montane vegetation compositions...
2017: PloS One
https://www.readbyqxmd.com/read/28926039/tuning-linkage-isomerism-and-magnetic-properties-of-bi-and-tri-metallic-cage-silsesquioxanes-by-cation-and-solvent-effects
#6
Alexey N Bilyachenko, Alexander A Korlyukov, Anna V Vologzhanina, Victor N Khrustalev, Alena N Kulakova, Jérôme Long, Joulia Larionova, Yannick Guari, Marina S Dronova, Ulyana S Tsareva, Pavel V Dorovatovskii, Elena S Shubina, Mikhail M Levitsky
Herein, the effect of replacement of the surrounding solvent and/or the partial substitution of sodium ions in the cage-like copper, sodium phenylsilsesquioxane [(PhSiO1.5)12(CuO)4(NaO0.5)4(n-BuOH)6] 1 with a globular structure was investigated; the synthesis of ten new derivatives of complex 1 was performed, and their crystal structures were determined. Solvate replacement of n-butanol in 1 with dimethyl sulfoxide, acetonitrile, 1,4-dioxane/EtOH, and 1,4-dioxane/PhCN afforded the complexes [(PhSiO1.5)12(CuO)4(NaO0...
September 19, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28924561/cooled-radiofrequency-ablation-of-genicular-nerves-for-knee-osteoarthritis-pain-a-letter-to-editor
#7
Menno E Sluijter, Alexandre Teixeira
No abstract text is available yet for this article.
June 2017: Anesthesiology and Pain Medicine
https://www.readbyqxmd.com/read/28924253/quantitative-trait-loci-responsible-for-sharp-eyespot-resistance-in-common-wheat-ci12633
#8
Xujiang Wu, Kai Cheng, Renhui Zhao, Shujiang Zang, Tongde Bie, Zhengning Jiang, Ronglin Wu, Derong Gao, Boqiao Zhang
Sharp eyespot is a major fungal disease of wheat caused by Rhizoctonia cerealis in cool and humid environments worldwide. In this study, 224 single seed descent derived F13, F14 and F15 recombinant inbred lines (RILs) from the cross between CI12633 (a resistant cultivar) and Yangmai 9 (a susceptible cultivar) were assessed for sharp eyespot resistance (R.cerealis isolate R0301) in field and greenhouse conditions in three growing seasons. Different agronomic characteristics were also evaluated in the field with no disease infection...
September 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28924080/active-cooling-of-oil-after-deep-frying
#9
Nagao Totani, Naoko Yasaki, Rena Doi, Etsuko Hasegawa
Oil used for deep-frying is often left to stand after cooking. A major concern is oxidation during standing that might be avoidable, especially in the case of oil used repeatedly for commercial deep-frying as this involves large volumes that are difficult to cool in a conventional fryer. This paper describes a method to minimize oil oxidation. French fries were deep-fried and the oil temperature decreased in a manner typical for a commercial deep-fryer. The concentration of polar compounds generated from thermally oxidized oil remarkably increased at temperature higher than 100°C but little oxidation occurred below 60°C...
September 15, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28923994/the-direct-identification-of-core-collapse-supernova-progenitors
#10
REVIEW
Schuyler D Van Dyk
To place core-collapse supernovae (SNe) in context with the evolution of massive stars, it is necessary to determine their stellar origins. I describe the direct identification of SN progenitors in existing pre-explosion images, particularly those obtained through serendipitous imaging of nearby galaxies by the Hubble Space Telescope I comment on specific cases representing the various core-collapse SN types. Establishing the astrometric coincidence of a SN with its putative progenitor is relatively straightforward...
October 28, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28923921/color-naming-across-languages-reflects-color-use
#11
Edward Gibson, Richard Futrell, Julian Jara-Ettinger, Kyle Mahowald, Leon Bergen, Sivalogeswaran Ratnasingam, Mitchell Gibson, Steven T Piantadosi, Bevil R Conway
What determines how languages categorize colors? We analyzed results of the World Color Survey (WCS) of 110 languages to show that despite gross differences across languages, communication of chromatic chips is always better for warm colors (yellows/reds) than cool colors (blues/greens). We present an analysis of color statistics in a large databank of natural images curated by human observers for salient objects and show that objects tend to have warm rather than cool colors. These results suggest that the cross-linguistic similarity in color-naming efficiency reflects colors of universal usefulness and provide an account of a principle (color use) that governs how color categories come about...
September 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28923768/applicability-of-low-melting-point-microcrystalline-wax-to-develop-temperature-sensitive-formulations
#12
Kohei Matsumoto, Shin-Ichiro Kimura, Yasunori Iwao, Shigeru Itai
Low-melting-point substances are widely used to develop temperature-sensitive formulations. In this study, we focused on microcrystalline wax (MCW) as a low-melting-point substance. We evaluated the drug release behavior of wax matrix (WM) particles using various MCW under various temperature conditions. WM particles containing acetaminophen were prepared using a spray congealing technique. In the dissolution test at 37°C, WM particles containing low-melting-point MCWs whose melting was starting at approx...
September 15, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28923118/hypothermia-for-encephalopathy-in-low-and-middle-income-countries-helix-study-protocol-for-a-randomised-controlled-trial
#13
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/28922774/crop-model-assisted-phenomics-and-genome-wide-association-study-for-climate-adaptation-of-indica-rice-1-phenology
#14
Michael Dingkuhn, Richard Pasco, Julie M Pasuquin, Jean Damo, Jean-Christophe Soulié, Louis-Marie Raboin, Julie Dusserre, Abdoulaye Sow, Baboucarr Manneh, Suchit Shrestha, Alpha Balde, Tobias Kretzschmar
Phenology and time of flowering are crucial determinants of rice adaptation to climate variation. A previous study characterized flowering responses of 203 diverse indica rices (the ORYTAGE panel) to ten environments in Senegal (six sowing dates) and Madagascar (two years and two altitudes) under irrigation in the field. This study used the physiological phenology model RIDEV V2 to heuristically estimate component traits of flowering such as cardinal temperatures (base temperature (Tbase) and optimum temperature), basic vegetative phase, photoperiod sensitivity and cold acclimation, and to conduct a genome-wide association study for these traits using 16 232 anonymous single-nucleotide polymorphism (SNP) markers...
July 10, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28922773/crop-model-assisted-phenomics-and-genome-wide-association-study-for-climate-adaptation-of-indica-rice-2-thermal-stress-and-spikelet-sterility
#15
Michael Dingkuhn, Richard Pasco, Julie Mae Pasuquin, Jean Damo, Jean-Christophe Soulié, Louis-Marie Raboin, Julie Dusserre, Abdoulaye Sow, Baboucarr Manneh, Suchit Shrestha, Tobias Kretzschmar
Low night and high day temperatures during sensitive reproductive stages cause spikelet sterility in rice. Phenotyping of tolerance traits in the field is difficult because of temporal interactions with phenology and organ temperature differing from ambient. Physiological models can be used to separate these effects. A 203-accession indica rice diversity panel was phenotyped for sterility in ten environments in Senegal and Madagascar and climate data were recorded. Here we report on sterility responses while a companion study reported on phenology...
July 10, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28922580/accuracy-of-the-defining-characteristics-of-the-nursing-diagnosis-hypothermia-in-newborns
#16
Wislla Ketlly Menezes de Aquino, Marcos Venícios de Oliveira Lopes, Viviane Martins da Silva, Nathaly Bianka Moraes Fróes, Angélica Paixão de Menezes, Aline de Aquino Peres Almeida, Bianca Alves Sobreira
PURPOSE: To analyze the accuracy of the defining characteristics of hypothermia in newborns and to verify associations between defining characteristics and clinical variables. METHODS: A cross-sectional accuracy study with statistical analysis. FINDINGS: Slow capillary refill, decrease in ventilation, peripheral vasoconstriction, and insufficient weight gain were the defining characteristics with the highest specificity values, while slow gastric emptying, skin cool to touch, irritability, and bradycardia were the defining characteristics with the highest values for both sensitivity and specificity...
September 18, 2017: International Journal of Nursing Knowledge
https://www.readbyqxmd.com/read/28922324/biological-properties-and-therapeutic-value-of-cryopreserved-fat-tissue
#17
Takanobu Mashiko, Szu-Hsien Wu, Koji Kanayama, Rintaro Asahi, Takako Shirado, Masanori Mori, Ataru Sunaga, Shunji Sarukawa, Hirokazu Uda, Kotaro Yoshimura
BACKGROUND: Fat grafting frequently requires multiple treatments and thus repeated liposuction to achieve treatment goals. The purpose of this study is to evaluate whether cryopreservation of adipose tissue may facilitate future fat grafting. METHODS: Lipoaspirates were harvested from six adult females and preserved using two cryopreservation methods: 1) simple cooling to -80˚C (cryo-1); or 2) programmed cooling to -190˚C (cryo-2). Fresh fat, cryo-1 fat, and cryo-2 fat were analyzed both in vitro and in vivo...
September 14, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28921949/effects-of-high-temperature-and-thermal-cycling-on-the-performance-of-perovskite-solar-cells-acceleration-of-charge-recombination-and-deterioration-of-charge-extraction
#18
Arif D Sheikh, Rahim Munir, Md Azimul Haque, Ashok Bera, Weijin Hu, Parvez Shaikh, Aram Amassian, Tom Wu
In this work, we investigated the effects of high operating temperature and thermal cycling on the photovoltaic performance of perovskite solar cells (PSCs) with a typical mesostructured (m)-TiO2-CH3NH3PbI3-xClx-spiro-OMeTAD architecture. After carrying out temperature-dependent grazing incidence wide-angle X-ray scattering (GIWAXS), in-situ X-ray diffraction (XRD) and optical absorption experiments, thermal durability of PSCs was tested by subjecting the devices to repetitive heating to 70 °C and cooling to room temperature (20 °C)...
September 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28921303/registry-study-to-assess-hair-loss-prevention-with-the-penguin-cold-cap-in-breast-cancer-patients-receiving-chemotherapy
#19
Brooke A Rice, Elizabeth S Ver Hoeve, Amy N DeLuca, Laura J Esserman, Hope S Rugo, Michelle E Melisko
PURPOSE: Chemotherapy-induced alopecia is a distressing side effect of cancer treatment. The aim of this registry study was to assess efficacy and tolerability of scalp hypothermia using Penguin Cold Caps (Penguin) in breast cancer patients. METHODS: Hair loss was assessed by patients using a 100-point Visual Analog Scale (VAS) and by physicians using the 5-point Dean Scale at baseline, every 3-4 weeks during chemotherapy, and at least 1 month after completion of chemotherapy...
September 18, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28920560/indirect-evidence-of-pathogen-associated-altered-oocyte-production-in-queens-of-the-invasive-yellow-crazy-ant-anoplolepis-gracilipes-in-arnhem-land-australia
#20
M D Cooling, B D Hoffmann, M A M Gruber, P J Lester
Anoplolepis gracilipes is one of the six most widespread and pestiferous invasive ant species. Populations of this invader in Arnhem Land, Australia have been observed to decline, but the reasons behind these declines are not known. We investigated if there is evidence of a pathogen that could be responsible for killing ant queens or affecting their reproductive output. We measured queen number per nest, fecundity and fat content of queens from A. gracilipes populations in various stages of decline or expansion...
September 18, 2017: Bulletin of Entomological Research
keyword
keyword
28208
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"