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https://www.readbyqxmd.com/read/28544339/family-functioning-and-perceived-support-from-nurses-during-cancer-treatment-among-danish-and-australian-patients-and-their-families
#1
Karin B Dieperink, Elisabeth Coyne, Debra K Creedy, Birte Østergaard
AIMS AND OBJECTIVES: This study aims to compare family functioning and perceptions of support from nurses among Danish and Australian adult oncology patients and family members. BACKGROUND: Family can have a strong influence on the health of individuals, providing support during a health crisis such as cancer. However, family functioning and supportive care from nurses may vary across cultures and settings. DESIGN AND METHODS: A descriptive, cross sectional comparative design with patients and family members from Denmark and Australia...
May 25, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28543364/diffusion-weighted-mri-with-minimal-distortion-in-head-and-neck-radiotherapy-using-a-turbo-spin-echo-acquisition-method
#2
Tim Schakel, Johannes M Hoogduin, Chris H J Terhaard, Marielle E P Philippens
PURPOSE: Diffusion weighted (DW) MRI, showing high contrast between tumor and background tissue, is a promising technique in radiotherapy for tumor delineation. However, its use for head-and-neck patients is hampered by poor geometric accuracy in conventional echo planar imaging (EPI) DW-MRI. An alternative turbo spin echo sequence, DW-SPLICE, is implemented and demonstrated in patients. METHODS: The DW-SPLICE sequence was implemented on a 3.0T system and evaluated in 10 patients...
May 23, 2017: Medical Physics
https://www.readbyqxmd.com/read/28543018/multiple-ice-binding-proteins-of-probable-prokaryotic-origin-in-an-antarctic-lake-alga-chlamydomonas-sp-ice-mdv-chlorophyceae
#3
James A Raymond
Ice-associated algae produce ice-binding proteins (IBPs) to prevent freezing damage. The IBPs of the three chlorophytes that have been examined so far share little similarity across species, making it likely that they were acquired by horizontal gene transfer (HGT). To clarify the importance and source of IBPs in chlorophytes, we sequenced the IBP genes of another Antarctic chlorophyte, Chlamydomonas sp. ICE-MDV (Chlamy-ICE). Genomic DNA and total RNA were sequenced and screened for known ice-associated genes...
May 19, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/28542345/ancient-mtdna-diversity-reveals-specific-population-development-of-wild-horses-in-switzerland-after-the-last-glacial-maximum
#4
Julia Elsner, Michael Hofreiter, Jörg Schibler, Angela Schlumbaum
On large geographical scales, changes in animal population distribution and abundance are driven by environmental change due to climatic and anthropogenic processes. However, so far, little is known about population dynamics on a regional scale. We have investigated 92 archaeological horse remains from nine sites mainly adjacent to the Swiss Jura Mountains dating from c. 41,000-5,000 years BP. The time frame includes major environmental turning points such as the Last Glacial Maximum (LGM), followed by steppe vegetation, afforestation and initial re-opening of the landscape by human agricultural activities...
2017: PloS One
https://www.readbyqxmd.com/read/28542125/notes-from-the-field-measles-outbreak-at-a-united-states-immigration-and-customs-enforcement-facility-arizona-may-june-2016
#5
Heather Venkat, Ahmed M Kassem, Chia-Ping Su, Clancey Hill, Evan Timme, Graham Briggs, Kenneth Komatsu, Susan Robinson, Rebecca Sunenshine, Manisha Patel, Diana Elson, Paul Gastañaduy, Shane Brady
On May 25, 2016, a detainee at a U.S. Immigration and Customs Enforcement (ICE) detention center in Arizona who had been hospitalized with fever and a generalized maculopapular rash was confirmed to have measles by real-time polymerase chain reaction (rPCR). A second case of measles in a staff member was confirmed by rPCR the next day. The privately operated, city-contracted facility housed 1,425 detainees, and employed 510 staff members, including 95 federal ICE staff and 415 contract staff of four distinct employers...
May 26, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28542087/validity-of-postmortem-glycated-hemoglobin-to-determine-status-of-diabetes-mellitus-in-corneal-donors
#6
Mark C Soper, Santica M Marcovina, Caroline K Hoover, Peter M Calhoun, Kristen E McCoy, Christopher G Stoeger, Gregory A Schmidt, Baha M Arafah, Marianne O Price, Loretta B Szczotka-Flynn, Jonathan H Lass
PURPOSE: To examine the stability of postmortem glycated hemoglobin (HbA1c) measurement and its relationship to premortem glycemia. METHODS: Postmortem blood samples were obtained from 32 donors (8 known diabetic) and shipped on ice to a central laboratory to examine the stability of HbA1c measurements during the first 9 postmortem days. Thirty-nine other suspected diabetic donors underwent comparison of premortem and postmortem HbA1c measurements. RESULTS: Postmortem HbA1c measurements remained stable after 9 postmortem days (all measurements within ±0...
May 23, 2017: Cornea
https://www.readbyqxmd.com/read/28541703/molecular-origin-of-the-vibrational-structure-of-ice-ih
#7
Daniel R Moberg, Shelby C Straight, Christopher Knight, Francesco Paesani
An unambiguous assignment of the vibrational spectra of ice Ih remains a matter of debate. This study demonstrates that an accurate representation of many-body interactions between water molecules, combined with an explicit treatment of nuclear quantum effects through many-body molecular dynamics (MB-MD), leads to a unified interpretation of the vibrational spectra of ice Ih in terms of the structure and dynamics of the underlying hydrogen-bond network. All features of the infrared and Raman spectra in the OH stretching region can be unambiguously assigned by taking into account both the symmetry and the delocalized nature of the lattice vibrations as well as the local electrostatic environment experienced by each water molecule within the crystal...
May 25, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28540460/ultrasensitive-and-high-throughput-analysis-of-chlorophyll-a-in-marine-phytoplankton-extracts-using-a-fluorescence-microplate-reader
#8
Manolis Mandalakis, Austėja Stravinskaitė, Anna Lagaria, Stella Psarra, Paraskevi Polymenakou
Chlorophyll a (Chl a) is the predominant pigment in every single photosynthesizing organism including phytoplankton and one of the most commonly measured water quality parameters. Various methods are available for Chl a analysis, but the majority of them are of limited throughput and require considerable effort and time from the operator. The present study describes a high-throughput, microplate-based fluorometric assay for rapid quantification of Chl a in phytoplankton extracts. Microplate sealing combined with ice cooling was proved an effective means for diminishing solvent evaporation during sample loading and minimized the analytical errors involved in Chl a measurements with a fluorescence microplate reader...
May 25, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28540096/intra-articular-osteoid-osteoma-as-a-cause-of-anteromedial-knee-pain
#9
Ergin Sagtas, Kemal Gokkus, Ahmet Turan Aydin
A 32-year-old male patient presented to our clinic with chronic left knee pain that was ongoing for about 1.5 years. The patient visited several times our clinic and the other clinics; conservative treatment (including rest, knee brace, and ice application with NSAIDs) was recommended by various different doctors. The anamnesis, physical examination, and plain radiography were nonspecific. Early MRI findings mislead us to believe it is bone marrow edema. One and half years with noneffective treatment, the knee pain persisted...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28539141/individual-traits-personal-values-and-conflict-resolution-in-an-isolated-confined-extreme-environment
#10
Jesper G Corneliussen, Gloria R Leon, Anders Kjærgaard, Birgit A Fink, Noah C Venables
BACKGROUND: The study of personality traits, personal values, and the emergence of conflicts within groups performing in an isolated, confined, and extreme environment (ICE) may provide insights helpful for the composition and support of space crews for long duration missions. METHODS: Studied pre/post and over the 2-yr period of the investigation were 10 Danish military personnel deployed to stations in Greenland on a 26-mo staggered rotation. Subjects completed the NEO PI-R, Triarchic Psychopathy Measure, and Portrait Values Questionnaire, and participated in structured interviews...
June 1, 2017: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/28538639/development-of-the-emergency-preservation-and-resuscitation-for-cardiac-arrest-from-trauma-epr-cat-clinical-trial
#11
Samuel A Tisherman, Hasan B Alam, Peter M Rhee, Thomas M Scalea, Tomas Drabek, Raquel M Forsythe, Patrick M Kochanek McCm
BACKGROUND: Patients who suffer a cardiac arrest from trauma rarely survive, even with aggressive resuscitation attempts, including an Emergency Department (ED) thoracotomy. Emergency Preservation and Resuscitation (EPR) was developed to utilize hypothermia to buy time to obtain hemostasis before irreversible organ damage occurs. Large animal studies have demonstrated that cooling to tympanic membrane temperature 10°C during exsanguination cardiac arrest can allow up to 2 hours of circulatory arrest and repair of simulated injuries with normal neurologic recovery...
May 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28537397/preparation-dependent-orientation-of-crystalline-ice-islands-on-ag-111
#12
Sarah-Charlotta Heidorn, Karsten Lucht, Cord Bertram, Karina Morgenstern
We observe the transformation of fractal ice islands grown at 96 K to compact ones annealed at 118 K and compare those to compact islands grown directly at 118 K. The low temperature grown islands form a four bilayer high wetting layer. The annealing causes a crystallization and reshaping of the islands and a substantial increase in height and roughness, in particular at higher coverage. Moreover, it leads to a dewetting of the ice film. The islands grown at the higher temperature show qualitative similarities to the annealed ones, at smaller nucleation density...
May 24, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28537259/the-interfacial-structure-of-water-droplets-in-a-hydrophobic-liquid
#13
Nikolay Smolentsev, Wilbert J Smit, Huib J Bakker, Sylvie Roke
Nanoscopic and microscopic water droplets and ice crystals embedded in liquid hydrophobic surroundings are key components of aerosols, rocks, oil fields and the human body. The chemical properties of such droplets critically depend on the interfacial structure of the water droplet. Here we report the surface structure of 200 nm-sized water droplets in mixtures of hydrophobic oils and surfactants as obtained from vibrational sum frequency scattering measurements. The interface of a water droplet shows significantly stronger hydrogen bonds than the air/water or hexane/water interface and previously reported planar liquid hydrophobic/water interfaces at room temperature...
May 24, 2017: Nature Communications
https://www.readbyqxmd.com/read/28536197/melting-dynamics-of-ice-in-the-mesoscopic-regime
#14
Margherita Citroni, Samuele Fanetti, Naomi Falsini, Paolo Foggi, Roberto Bini
How does a crystal melt? How long does it take for melt nuclei to grow? The melting mechanisms have been addressed by several theoretical and experimental works, covering a subnanosecond time window with sample sizes of tens of nanometers and thus suitable to determine the onset of the process but unable to unveil the following dynamics. On the other hand, macroscopic observations of phase transitions, with millisecond or longer time resolution, account for processes occurring at surfaces and time limited by thermal contact with the environment...
May 23, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28535827/genotype-%C3%A3-environment-interaction-in-psychiatric-genetics-deep-truth-or-thin-ice
#15
Lindon Eaves
BACKGROUND: There continues to be significant investment in the detection of genotype × environment interaction (G × E) in psychiatric genetics. The implications of the method of assessment for the genetic analysis of psychiatric disorders are examined for simulated twin data on symptom scores and environmental covariates. METHODS: Additive and independent genetic and environmental risks were simulated for 10,000 monozygotic (MZ) and 10,000 dizygotic (DZ) twin pairs and the 'subjects' administered typical simulated checklists of clinical symptoms and environmental factors...
June 2017: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/28535660/-clinical-investigation-on-ct-guided-cryoablation-for-treating-invasive-chest-wall-or-pleural-tumors
#16
M Wang, Y W Pan, Z G Zhou, Y Cui, K P Du, S Li
Objective: To evaluate the feasibility and short-term effect of CT guided cryoablation for malignant chest wall or pleural involvement. Methods: To follow up 22 patients with chest wall or pleural involvement of various malignancies who underwent cryoablation from January 2012 to January 2015 by conducting postoperative 1-, 3- and 6-month enhanced CT, MRI or PET-CT examinations, respectively, evaluate local curative effect, and observe their progression-free survival (PFS), postoperative pain remission and complications after the cryoablation...
May 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28535093/the-effects-of-crushed-ice-ingestion-prior-to-steady-state-exercise-in-the-heat
#17
Matthew Zimmermann, Grant Landers, Karen E Wallman, Jacinta Saldaris
This study examined the physiological effects of crushed ice ingestion before steady state exercise in the heat. Ten healthy males with age (23 ± 3 y), height (176.9 ± 8.7 cm), body-mass (73.5 ± 8.0 kg), VO2peak (48.5 ± 3.6 mL∙kg∙min(-1)) participated in the study. Participants completed 60 min of cycling at 55% of their VO2peak preceded by 30 min of precooling whereby 7 g∙kg(-1) of thermoneutral water (CON) or crushed ice (ICE) was ingested. The reduction in Tc at the conclusion of precooling was greater in ICE (-0...
June 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28534433/skating-start-propulsion-three-dimensional-kinematic-analysis-of-elite-male-and-female-ice-hockey-players
#18
Jaymee R Shell, Shawn M K Robbins, Philippe C Dixon, Philippe J Renaud, René A Turcotte, Tom Wu, David J Pearsall
The forward skating start is a fundamental skill for male and female ice hockey players. However, performance differences by athlete's sex cannot be fully explained by physiological variables; hence, other factors such as skating technique warrant examination. Therefore, the purpose of this study was to evaluate the body movement kinematics of ice hockey skating starts between elite male and female ice hockey participants. Male (n = 9) and female (n = 10) elite ice hockey players performed five forward skating start accelerations...
May 23, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28534059/cryo-mesh-a-simple-alternative-cryopreservation-protocol
#19
B Funnekotter, E Bunn, R L Mancera
BACKGROUND: The continued development of new cryopreservation protocols has improved post-cryogenic success rates for a wide variety of plant species. Methods like the cryo-plate have proven beneficial in simplifying the cryopreservation procedure. OBJECTIVE: This study assessed the practicality of a stainless steel mesh strip (cryo-mesh) for cryopreserving shoot tips from Anigozanthos viridis. MATERIALS AND METHODS: Shoot tips of A. viridis (Kangaroo Paw) were precultured on 0...
March 2017: Cryo Letters
https://www.readbyqxmd.com/read/28534055/experimental-determination-of-surface-heat-transfer-coefficient-in-a-dry-ice-ethanol-cooling-bath-using-a-numerical-approach
#20
M V Santos, M Sansinena, N Zaritzky, J Chirife
  BACKGROUND: Dry ice-ethanol bath (-78 degree C) have been widely used in low temperature biological research to attain rapid cooling of samples below freezing temperature. The prediction of cooling rates of biological samples immersed in dry ice-ethanol bath is of practical interest in cryopreservation. The cooling rate can be obtained using mathematical models representing the heat conduction equation in transient state. Additionally, at the solid cryogenic-fluid interface, the knowledge of the surface heat transfer coefficient (h) is necessary for the convective boundary condition in order to correctly establish the mathematical problem...
March 2017: Cryo Letters
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