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https://www.readbyqxmd.com/read/28215015/goose-management-schemes-to-resolve-conflicts-with-agriculture-theory-practice-and-effects
#1
Einar Eythórsson, Ingunn M Tombre, Jesper Madsen
In 2012, the four countries hosting the Svalbard population of pink-footed goose Anser brachyrhynchus along its flyway launched an International Species Management Plan for the population. One of the aims was to reduce conflicts between geese and agriculture to an acceptable level. Since 2006, Norway has offered subsidies to farmers that provide refuge areas for geese on their land. We evaluate the mid-Norwegian goose management subsidy scheme, with a view to its adjustment to prevailing ecological and socio-economic parameters...
March 2017: Ambio
https://www.readbyqxmd.com/read/28214586/mango-kernel-starch-gum-composite-films-physical-mechanical-and-barrier-properties
#2
Anjum Nawab, Feroz Alam, Muhammad Abdul Haq, Zubala Lutfi, Abid Hasnain
Composite films were developed by the casting method using mango kernel starch (MKS) and guar and xanthan gums. The concentration of both gums ranged from 0% to 30% (w/w of starch; db). Mechanical properties, oxygen permeability (OP), water vapor permeability (WVP), solubility in water and color parameters of composite films were evaluated. The crystallinity and homogeneity between the starch and gums were also evaluated by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The scanning electron micrographs showed homogeneous matrix, with no signs of phase separation between the components...
February 15, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28214585/preparation-and-biocompatibility-of-a-chitin-nanofiber-gelatin-composite-film
#3
Yoko Ogawa, Kazuo Azuma, Hironori Izawa, Minoru Morimoto, Kosuke Ochi, Tomohiro Osaki, Norihiko Ito, Yoshiharu Okamoto, Hiroyuki Saimoto, Shinsuke Ifuku
The development of chitin-based materials with favorable mechanical properties and biocompatibility is an important research goal owing to the wide-ranging practical applications. In this study, a composite film was prepared using chitin nanofibers and gelatin. The CNF/gelatin composite film was highly viscous and had a fine nanofiber structure. The transmittances indicated high transparency, regardless of nanofiber content. The water content of the CNF/gelatin composite film increased linearly as the gelatin content increased...
February 15, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28214419/recommendations-for-gonadotoxicity-surveillance-in-male-childhood-adolescent-and-young-adult-cancer-survivors-a-report-from-the-international-late-effects-of-childhood-cancer-guideline-harmonization-group-in-collaboration-with-the-pancaresurfup-consortium
#4
REVIEW
Roderick Skinner, Renee L Mulder, Leontien C Kremer, Melissa M Hudson, Louis S Constine, Edit Bardi, Annelies Boekhout, Anja Borgmann-Staudt, Morven C Brown, Richard Cohn, Uta Dirksen, Alexsander Giwercman, Hiroyuki Ishiguro, Kirsi Jahnukainen, Lisa B Kenney, Jacqueline J Loonen, Lilian Meacham, Sebastian Neggers, Stephen Nussey, Cecilia Petersen, Margarett Shnorhavorian, Marry M van den Heuvel-Eibrink, Hanneke M van Santen, William H B Wallace, Daniel M Green
Treatment with chemotherapy, radiotherapy, or surgery that involves reproductive organs can cause impaired spermatogenesis, testosterone deficiency, and physical sexual dysfunction in male pubertal, adolescent, and young adult cancer survivors. Guidelines for surveillance and management of potential adverse effects could improve cancer survivors' health and quality of life. Surveillance recommendations vary considerably, causing uncertainty about optimum screening practices. This clinical practice guideline recommended by the International Late Effects of Childhood Cancer Guideline Harmonization Group in collaboration with the PanCareSurFup Consortium, developed using evidence-based methodology, critically synthesises surveillance recommendations for gonadotoxicity in male childhood, adolescent, and young adult (CAYA) cancer survivors...
February 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28214397/a-case-of-iv-degree-on-acute-radiation-dermatitis-in-china
#5
Zhen Shen, Ya-Hong Chen, Yue Chen, Yan Chen, Zhe Lv, Hai-Cheng Gao
This report investigates the nursing procedure of a case of adjuvant therapy of rectal cancer on IV degree of acute radiation dermatitis patients in the penis and scrotum junction. The lesion degree gradually increased. Fixation of the dressing was difficult in the penis and scrotum junction. The concept of wet healing with new dressings was used in patient. The silver ion dressings were used in inhibiting infection, and the wound was covered by the rimmed foam dressings. When it comes to the shaping period, water gel transparent paste was applied instead to cover the wound...
February 2, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28213598/informing-efficient-randomised-controlled-trials-exploration-of-challenges-in-developing-progression-criteria-for-internal-pilot-studies
#6
Kerry N L Avery, Paula R Williamson, Carrol Gamble, Elaine O'Connell Francischetto, Chris Metcalfe, Peter Davidson, Hywel Williams, Jane M Blazeby
OBJECTIVES: Designing studies with an internal pilot phase may optimise the use of pilot work to inform more efficient randomised controlled trials (RCTs). Careful selection of preagreed decision or 'progression' criteria at the juncture between the internal pilot and main trial phases provides a valuable opportunity to evaluate the likely success of the main trial and optimise its design or, if necessary, to make the decision not to proceed with the main trial. Guidance on the appropriate selection and application of progression criteria is, however, lacking...
February 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28213256/carbon-polydimethylsiloxane-based-integratable-optical-technology-for-spectroscopic-analysis
#7
Hiroaki Nomada, Kinichi Morita, Hirokazu Higuchi, Hiroaki Yoshioka, Yuji Oki
A polydimethylsiloxane (PDMS)-based optical system has been demonstrated. To suppress intense background radiation due to multiple internal scatting in a transparent material, a composite structure of a carbon-PDMS compound and PDMS was proposed. The index matching of the real part of the refractive index can suppress internal scattering, and an absorption of 99-99.7% was attained by using carbon micro particles and carbon nano tubes. The black-PDMS light channel functions as a light filter for straight pass, and an optical density of 5 was obtained by bending the filter...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28212972/variation-in-health-technology-assessment-and-reimbursement-processes-in-europe
#8
Ronald L Akehurst, Eric Abadie, Noël Renaudin, François Sarkozy
BACKGROUND: It has been suggested that differences in health technology assessment (HTA) processes among countries, particularly within Europe, have led to inequity in patient access to new medicines. OBJECTIVES: To provide an up-to-date snapshot analysis of the present status of HTA and reimbursement systems in select European countries, and to investigate the implications of these processes, especially with regard to delays in market and patient access. METHODS: HTA and reimbursement processes were assessed through a review of published and gray literature, and through a series of interviews with HTA experts...
January 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28212967/decision-making-on-medical-innovations-in-a-changing-health-care-environment-insights-from-accountable-care-organizations-and-payers-on-personalized-medicine-and-other-technologies
#9
Julia R Trosman, Christine B Weldon, Michael P Douglas, Patricia A Deverka, John B Watkins, Kathryn A Phillips
BACKGROUND: New payment and care organization approaches, such as those of accountable care organizations (ACOs), are reshaping accountability and shifting risk, as well as decision making, from payers to providers, within the Triple Aim context of health reform. The Triple Aim calls for improving experience of care, improving health of populations, and reducing health care costs. OBJECTIVES: To understand how the transition to the ACO model impacts decision making on adoption and use of innovative technologies in the era of accelerating scientific advancement of personalized medicine and other innovations...
January 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28212418/experimental-evidence-of-formation-of-transparent-exopolymer-particles-tep-and-poc-export-provoked-by-dust-addition-under-current-and-high-pco2-conditions
#10
Justine Louis, Maria Luiza Pedrotti, Frédéric Gazeau, Cécile Guieu
The evolution of organic carbon export to the deep ocean, under anthropogenic forcing such as ocean warming and acidification, needs to be investigated in order to evaluate potential positive or negative feedbacks on atmospheric CO2 concentrations, and therefore on climate. As such, modifications of aggregation processes driven by transparent exopolymer particles (TEP) formation have the potential to affect carbon export. The objectives of this study were to experimentally assess the dynamics of organic matter, after the simulation of a Saharan dust deposition event, through the measurement over one week of TEP abundance and size, and to evaluate the effects of ocean acidification on TEP formation and carbon export following a dust deposition event...
2017: PloS One
https://www.readbyqxmd.com/read/28211671/organic-solar-cells-based-on-wo2-72-nanowire-anode-buffer-layer-with-enhanced-power-conversion-efficiency-and-ambient-stability
#11
Longzhen You, Bin Liu, Tao Liu, Bingbing Fan, Yunhao Cai, Lin Guo, Yanming Sun
Tungsten oxide as an alternative to conventional acidic PEDOT:PSS has attracted much attention in organic solar cells (OSCs). However, the vacuum-processed WO3 layer and high temperature sol-gel hydrolyzed WOX are incompatible with large-scale manufacturing of OSCs. Here, we report for the first time that a specific tungsten oxide WO2.72 (W18O49) nanowire can function well as the anode buffer layer. The nw-WO2.72 film exhibits a high optical transparency. The power conversion efficiency (PCE) of OSCs based on three typical polymer active layers PTB7:PC71BM, PTB7-Th:PC71BM, and PDBT-T1:PC71BM with nw-WO2...
February 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28211501/high-resolution-3d-imaging-of-whole-organ-after-clearing-taking-a-new-look-at-the-zebrafish-testis
#12
Maxence Frétaud, Laurie Rivière, Élodie De Job, Stéphanie Gay, Jean-Jacques Lareyre, Jean-Stéphane Joly, Pierre Affaticati, Violette Thermes
Zebrafish testis has become a powerful model for reproductive biology of teleostean fishes and other vertebrates and encompasses multiple applications in applied and basic research. Many studies have focused on 2D images, which is time consuming and implies extrapolation of results. Three-dimensional imaging of whole organs recently became an important challenge to better understand their architecture and allow cell enumeration. Several protocols have thus been developed to enhance sample transparency, a limiting step for imaging large biological samples...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211361/bias-dependent-spectral-tuning-in-inp-nanowire-based-photodetectors
#13
Vishal Jain, Magnus Heurlin, Mohammad Karimi, Laiq Hussain, Mahtab Aghaeipour, Ali Nowzari, Alexander Berg, Gustav Nylund, Federico Capasso, Lars Samuelson, Magnus T Borgström, Håkan Pettersson
Nanowire array ensembles contacted in a vertical geometry are extensively studied and considered strong candidates for next generations of industrial scale optoelectronics. Key challenges in this development deal with optimization of the doping profile of the nanowires and the interface between nanowires and transparent top contact. Here we report on photodetection characteristics associated with doping profile variations in InP nanowire array photodetectors. Bias-dependent tuning of the spectral shape of the responsivity is observed which is attributed to a Schottky-like contact at the nanowire-ITO interface...
March 17, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28211116/ac-dielectrophoretic-manipulation-and-electroporation-of-vaccinia-virus-using-carbon-nanoelectrode-arrays
#14
Foram Ranjeet Madiyar, Sherry Basset, Omer Farooq, Stefan Rothenburg, Christopher Culbertson, Jun Li
This paper reports the capture and detection of vaccinia virus particles based on AC dielectrophoresis (DEP) and electrochemical impedance measurements employing an embedded vertically aligned carbon nanofiber (VACNF) nanoelectrode array (NEA) versus a macroscopic indium-tin-oxide (ITO) transparent electrode in a "points-and-lid" configuration. The nano-DEP device was fabricated by bonding two SU-8 covered electrodes patterned using photolithography. The bottom electrode contains a 200 × 200 μm(2) active region on a randomly distributed NEA and the top electrode contains a microfluidic channel in SU-8 spin-coated on ITO to guide the flow of the virus solution...
February 17, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28211065/the-synthesis-of-weak-acidic-type-hybrid-monolith-via-thiol-ene-click-chemistry-and-its-application-in-hydrophilic-interaction-chromatography
#15
Jiao Zeng, Shengquan Liu, Menglin Wang, Shouzhuo Yao, Yingzhuang Chen
In this work, a porous structure and good permeability monolithic column was polymerized in UV transparent fused-silica capillaries via photo-initiated thiol-ene click polymerization of 2, 4, 6, 8-tetravinyl-2, 4, 6, 8- tetramethylcyclotetrasiloxane (TMTVS), pentaerythritol tetra(3-mercaptopropionate) (PETMP), itaconic acid, respectively, in the presence of porogenic solvents (tetrahydrofuran and methanol) and a initiator (2, 2-dimethoxy-2-phenylacetophenone) (DMPA) within 30 min. The physical properties of this monolith were characterized by scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) spectroscopy and nitrogen adsorption/desorption measurements...
February 17, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28210891/aquatic-monitoring-programs-conducted-during-environmental-impact-assessments-in-canada-preliminary-assessment-before-and-after-weakened-environmental-regulation
#16
Brynn Roach, Tony R Walker
Aquatic monitoring programs are imperative for the functioning of the environmental impact assessment (EIA) process and a cornerstone for industrial compliance in Canada. However, in 2012, several leading pieces of federal environmental legislation (e.g., Canadian Environmental Assessment Act c.19, s. 52, 2012) were drastically altered, effectively weakening levels of environmental protection for aquatic ecosystems during project developments. This paper assesses the impact of CEAA 2012 on aquatic monitoring programs (and subsequent monitoring data reporting) across Canada for ten projects (five completed pre-CEAA 2012 and five completed post-CEAA 2012)...
March 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28210879/theoretical-study-of-the-spectroscopic-and-nonlinear-optical-properties-of-trans-and-cis-4-hydroxyazobenzene
#17
Hai-Peng Li, Ze-Tong Bi, Wen-Yue Fu, Run-Feng Xu, Yi Zhang, Xiao-Peng Shen, Ming-Xue Li, Gang Tang, Kui Han
We investigate the molecular structure, vibrational and electronic absorption spectra, and electronic hyperpolarizabilities of trans and cis isomers of 4-hydroxyazobenzene (HOAB) via density functional theory. Results show that the azo dye exhibits a high third-order nonlinear optical response and good optical transparency. Both the basis set and the functional are important influences on the results obtained when calculating the absorption spectrum and NLO response. We also study the effect of the solvent on the electronic absorption spectrum to assess the ability of the functional to reproduce the experimental spectrum in combination with a suitable solvent model...
March 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28210733/super-high-energy-density-single-bonded-trigonal-nitrogen-allotrope-a-chemical-twin-of-the-cubic-gauche-form-of-nitrogen
#18
Sergey V Bondarchuk, Boris F Minaev
A new ambient-pressure metastable single-bonded 3D nitrogen allotrope (TrigN) of trigonal symmetry (space group R3[combining macron]) was calculated using density functional theory (DFT). A comprehensive characterization of this material, comprising thermodynamic, elastic, and spectral (vibrational, UV-vis absorption, and nuclear magnetic resonance) properties, was performed. Using high-throughput band structure calculation, the TrigN phase was characterized as an insulator with an indirect band gap of 2.977 eV...
February 17, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28210623/in-vitro-and-in-vivo-evaluation-of-commercially-available-fibrin-gel-as-a-carrier-of-alendronate-for-bone-tissue-engineering
#19
Beom Su Kim, Feride Shkembi, Jun Lee
Alendronate (ALN) is a bisphosphonate drug that is widely used for the treatment of osteoporosis. Furthermore, local delivery of ALN has the potential to improve the bone regeneration. This study was designed to investigate an ALN-containing fibrin (fibrin/ALN) gel and evaluate the effect of this gel on both in vitro cellular behavior using human mesenchymal stem cells (hMSCs) and in vivo bone regenerative capacity. Fibrin hydrogels were fabricated using various ALN concentrations (10(-7)-10(-4 )M) with fibrin glue and the morphology, mechanical properties, and ALN release kinetics were characterized...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28210441/resin-infiltrant-for-non-cavitated-caries-lesions-evaluation-of-color-stability
#20
Matteo Ceci, Davide Rattalino, Matteo Viola, Riccardo Beltrami, Marco Chiesa, Marco Colombo, Claudio Poggio
BACKGROUND: The objective of this in vitro study was to evaluate the over time color stability of one resin infiltrant (Icon) upon exposure to staining solutions (coffee and wine) compared with one nano-hybrid sealant (Grandio Seal), one transparent fissure sealant with fluoride (Control Seal) and one nanofilled composite (Filtek Supreme XTE). MATERIAL AND METHODS: All materials were polymerized according to manufacturers' instructions into silicon rings (height 1 mm; internal diameter 6 mm; external diameter 8 mm) to obtain specimens identical in size...
February 2017: Journal of Clinical and Experimental Dentistry
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