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https://www.readbyqxmd.com/read/28333973/reported-reasons-for-breakdown-of-marriage-and-cohabitation-in-britain-findings-from-the-third-national-survey-of-sexual-attitudes-and-lifestyles-natsal-3
#1
Kirsten Gravningen, Kirstin R Mitchell, Kaye Wellings, Anne M Johnson, Rebecca Geary, Kyle G Jones, Soazig Clifton, Bob Erens, Michelle Lu, Chenchit Chayachinda, Nigel Field, Pam Sonnenberg, Catherine H Mercer
OBJECTIVES: Breakdown of marriage and cohabitation is common in Western countries and is costly for individuals and society. Most research on reasons for breakdown has focused on marriages ending in divorce and/or have used data unrepresentative of the population. We present prevalence estimates of, and differences in, reported reasons for recent breakdown of marriages and cohabitations in Britain. METHODS: Descriptive analyses of data from Britain's third National Survey of Sexual Attitudes and Lifestyles (Natsal-3), a probability sample survey (15,162 people aged 16-74 years) undertaken 2010-2012, using computer-assisted personal interviewing...
2017: PloS One
https://www.readbyqxmd.com/read/28333533/a-randomized-clinical-trial-of-behavioral-couples-therapy-versus-individually-based-treatment-for-drug-abusing-women
#2
Timothy J O'Farrell, Jeremiah A Schumm, Marie M Murphy, Patrice M Muchowski
OBJECTIVE: Behavioral couples therapy (BCT) is more efficacious than individually-based therapy (IBT) for substance and relationship outcomes among substance use disorder patients. This study compared BCT with IBT for drug-abusing women. METHOD: Sixty-one women, mostly White, late 30s, with primary substance use disorder other than alcohol (74% opioid), and male partners were randomized to 26 sessions over 13 weeks of BCT plus 12-step-oriented IBT (i.e., BCT + IBT) or IBT...
April 2017: Journal of Consulting and Clinical Psychology
https://www.readbyqxmd.com/read/28327747/thermally-induced-breakup-of-metallic-nanowires-experiment-and-theory
#3
Martin Schnedlitz, Maximilian Lasserus, Daniel Knez, Andreas W Hauser, Ferdinand Hofer, Wolfgang E Ernst
We present time-resolved transmission electron microscopy studies of the degradation of Au, Ag, Cu and Ni nanowires deposited on a heated support. The wires are grown under fully inert conditions in superfluid helium droplets and deposited onto amorphous carbon. The inherent stability of these pristine metal nanowires with diameters below 10 nm is investigated in the absence of any stabilizers, templates or solvents. The phenomenon of Rayleigh-breakup, a consequence of diffusion processes along the wire surfaces, is analysed in situ via scans over time and support temperature...
March 22, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28326784/drop-impact-on-oblique-superhydrophobic-surfaces-with-two-tier-roughness
#4
Rui Zhang, Pengfei Hao, Feng He
This paper investigates the complex physical phenomenon of oblique drop impact on superhydrophobic substrates with two-tier roughness (patterned with varied submillimeter-scale posts and coated with nano-particles). Experimental results show that the impact Weber number of drops and the solid fraction of the submillimeter-scale post structures are crucial for the outcomes of oblique drop collisions. Water droplets with 10<Wen<245 are found to rebound on all the test substrates. As the surface solid fraction decreases, four possible bouncing patterns occur in sequence, sliding rebound, stretched rebound, penetration rebound and breakup rebound...
March 22, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28306352/evaluation-of-the-tear-function-tests-and-the-ocular-surface-in-first-time-users-of-silicone-hydrogel-contact-lenses
#5
Yelda Yildiz Tasci, Canan Gürdal, Ozge Sarac, Aykut Onusever
PURPOSE: To evaluate the effects of three different silicone hydrogel contact lenses (SHCL), (balafilcon A, senofilcon A, and comfilcon A) on tear function tests, corneal thickness, and ocular surface cytology in first time contact lens users. MATERIALS AND METHODS: In this prospective study, 120 eyes of 60 subjects were evaluated. Balafilcon A users were designated as group 1, senofilcon A users as group 2, and comfilcon A users as group 3. In all cases, before and after 6 months of contact lens wear, ocular surface disease index score (OSDI), tear breakup time (TBUT), Schirmer 1 test, central corneal thickness (CCT), central corneal epithelium thickness (CCET), and conjunctival impression cytology samples were evaluated...
March 17, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28299560/family-structure-experiences-and-child-socioemotional-development-during-the-first-nine-years-of-life-examining-heterogeneity-by-family-structure-at-birth
#6
Sharon H Bzostek, Lawrence M Berger
A vast amount of literature has documented negative associations between family instability and child development, with the largest associations being in the socioemotional (behavioral) domain. Yet, prior work has paid limited attention to differentiating the role of the number, types, and sequencing of family transitions that children experience, as well as to understanding potential heterogeneity in these associations by family structure at birth. We use data from the Fragile Families and Child Wellbeing Study and hierarchical linear models to examine associations of family structure states and transitions with children's socioemotional development during the first nine years of life...
March 15, 2017: Demography
https://www.readbyqxmd.com/read/28294341/reconstruction-of-uptake-patterns-in-pet-the-influence-of-regularizing-priors
#7
Elisabetta De Bernardi, Federico Fallanca, Luigi Gianolli, Maria Carla Gilardi, Valentino Bettinardi
PURPOSE: The effects of regularizing priors on the maximum likelihood (ML) reconstruction of activity patterns in Positron Emission Tomography (PET) was assessed. METHODS: Two edge-preserving priors (one originally proposed by Nuyts et al. and nowadays implemented and commercialized by General Electric Medical Systems as Q.Clear software, and a second one originally proposed by Rapisarda et al. and our group) were assessed and compared to a standard Ordered Subset (OS)-ML reconstruction, assumed as reference...
March 11, 2017: Medical Physics
https://www.readbyqxmd.com/read/28290326/emulsions-stabilized-by-high-acyl-gellan-and-kcl
#8
Joice Aline Pires Vilela, Rosiane Lopes da Cunha
Emulsions containing high acyl gellan (0.025 or 0.100% w/w) as emulsifier/stabilizer with KCl addition (1.6-15,633mg of KCl/g of gellan) were evaluated. In general a decrease in apparent viscosity and an increase of the droplets size were observed as KCl content rises. Addition of intermediate KCl concentration (62.6-1,563mg of KCl/g of gellan) could improve the stability to macroscopic phase separation of emulsions with the lower gellan concentration (0.025% w/w). However it was observed that KCl content above a critical value (1,563mg of KCl/g of gellan) caused the breakup of the emulsions containing 0...
January 2017: Food Research International
https://www.readbyqxmd.com/read/28290297/continuous-production-of-core-shell-protein-nanoparticles-by-antisolvent-precipitation-using-dual-channel-microfluidization-caseinate-coated-zein-nanoparticles
#9
Sandra Ebert, Charmaine K W Koo, Jochen Weiss, David Julian McClements
Antisolvent precipitation is commonly used to fabricate protein nanoparticles using a simple batch method that involves injecting a protein-solvent mixture into an antisolvent. In this study, the potential of producing core-shell protein nanoparticles by antisolvent precipitation using a continuous dual-channel microfluidization method was investigated. The solvent phase (zein in ethanol) and antisolvent phase (casein in water) were made to impinge on each other at high velocity, which generates intense shear, turbulent, and cavitation forces that ensure thorough mixing and breakup of the phases...
February 2017: Food Research International
https://www.readbyqxmd.com/read/28287231/failure-mechanisms-of-air-entrainment-in-drop-impact-on-lubricated-surfaces
#10
M Pack, H Hu, D Kim, Z Zheng, H A Stone, Y Sun
Lubricated surfaces have recently been introduced and studied due to their potential benefit in various configurations and applications. Combining the techniques of total internal reflection microscopy and reflection interference microscopy, we examine the dynamics of an underlying air film upon drop impact on a lubricated substrate where the thin liquid film is immiscible to the drop. In contrast to drop impact on solid surfaces where even the smallest asperities cause random breakup of the entraining air film, we report two air film failure mechanisms on lubricated surfaces...
March 13, 2017: Soft Matter
https://www.readbyqxmd.com/read/28279746/a-link-between-tear-breakup-and-symptoms-of-ocular-irritation
#11
Jun Zhang, Carolyn G Begley, Ping Situ, Trefford Simpson, Haixia Liu
PURPOSE: We used the presence or absence of a soft contact lens (CL) as a barrier to test the hypothesis that tear breakup (TBU) presents a direct noxious stimulus to the ocular surface. METHODS: Ten subjects kept one eye open as long as possible, termed sustained tear exposure (STARE), for 10 consecutive trials while discomfort was monitored with and without a CL in place. The area of TBU was quantified in each frame. Discomfort was measured during and after each STARE trial and symptoms of ocular irritation were assessed before and after all testing...
March 6, 2017: Ocular Surface
https://www.readbyqxmd.com/read/28256855/formation-and-destabilization-of-the-particle-band-on-the-fluid-fluid-interface
#12
Jungchul Kim, Feng Xu, Sungyon Lee
An inclusion of particles in a Newtonian liquid can fundamentally change the interfacial dynamics and even cause interfacial instabilities. For instance, viscous fingering can arise even in the absence of the destabilizing viscosity ratio between invading and defending phases, when particles are added to the viscous invading fluid inside a Hele-Shaw cell. In the same flow configuration, the formation and breakup of a dense particle band are observed on the interface, only when the particle diameter d becomes comparable to the channel gap thickness h...
February 17, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28248285/thinning-sea-ice-weakens-buttressing-force-of-iceberg-m%C3%A3-lange-and-promotes-calving
#13
Alexander A Robel
At many marine-terminating glaciers, the breakup of mélange, a floating aggregation of sea ice and icebergs, has been accompanied by an increase in iceberg calving and ice mass loss. Previous studies have argued that mélange may suppress calving by exerting a buttressing force directly on the glacier terminus. In this study, I adapt a discrete element model to explicitly simulate mélange as a cohesive granular material. Simulations show that mélange laden with thick landfast sea ice produces enough resistance to shut down calving at the terminus...
March 1, 2017: Nature Communications
https://www.readbyqxmd.com/read/28243058/effects-of-3-trehalose-as-an-adjuvant-treatment-after-lasik
#14
Antonio J Mateo Orobia, Paula Casas Pascual, José Á Cristóbal Bescós, Diana Perez García, Carlos Peiro Embid, M Ángeles Del Buey Sayas, Valentyna Korobko Kulikova, Noelia Lafuente Ojeda
PURPOSE: To evaluate the effect of 3% trehalose as an adjuvant in the standard treatment after laser-assisted in situ keratomileusis. DESIGN: Interventional prospective comparative single-blind study. SETTING: Department of Ophthalmology, Hospital Quirón Zaragoza, Spain. METHODS: A total of 26 eyes (13 patients) were included, of which 12 eyes (group 1) received conventional treatment with lubricant drops of hyaluronic acid (0...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28241316/clinic-based-study-on-meibomian-gland-dysfunction-in-japan
#15
Shiro Amano, Kenji Inoue
Purpose: To estimate the prevalence of meibomian gland dysfunction (MGD) in the Japanese population. Methods: We undertook a clinical study on the prevalence of MGD in Japan using the same diagnostic criteria as a previous population-based study conducted in Spanish Caucasians. The participants were consecutive patients scheduled for cataract surgery at Inouye Eye Hospital. All participants were aged 50 years or older. Patients completed a symptoms questionnaire and underwent a comprehensive slit-lamp examination...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28218510/exceptional-dewetting-of-organic-semiconductor-films-the-case-of-dinaphthothienothiophene-dntt-at-dielectric-interfaces
#16
Tobias Breuer, Andrea Karthäuser, Hagen Klemm, Francesca Genuzio, Gina Peschel, Alexander Fuhrich, Thomas Schmidt, Gregor Witte
The novel organic semiconductor dinaphthothienothiophene (DNTT) has gained considerable interest because its large charge carrier mobility and distinct chemical robustness enable the fabrication of organic field effect transistors with remarkable long-term stability under ambient conditions. Structural aspects of DNTT films and their control, however, remain so far largely unexplored. Interestingly, the crystalline structure of DNTT is rather similar to that of the prototypical pentacene, for which the molecular orientation in crystalline thin films can be controlled by means of interface-mediated growth...
February 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28216791/molecular-processes-leading-to-necking-in-extensional-flow-of-polymer-solutions-using-microfluidics-and-single-dna-imaging
#17
Shaurya Sachdev, Aswin Muralidharan, Pouyan E Boukany
We study the necking and pinch-off dynamics of liquid droplets that contain a semidilute polymer solution of polyacrylamide close to overlap concentration by combining microfluidics and single DNA observation. Polymeric droplets are stretched by passing them through the stagnation point of a T-shaped microfluidic junction. In contrast with the sudden breakup of Newtonian droplets, a stable neck is formed between the separating ends of the droplet which delays the breakup process. Initially, polymeric filaments experience exponential thinning by forming a stable neck with extensional flow within the filament...
December 27, 2016: Macromolecules
https://www.readbyqxmd.com/read/28208460/self-confined-particle-pairs-in-complex-plasmas
#18
I I Lisina, E A Lisin, O S Vaulina, O F Petrov
The liquid-crystal type of phase transition in complex plasmas has been observed repeatedly. However, more studies need to be done on the liquid-vapor transition in complex plasmas. In this paper, the phenomenon of coupling (condensation) of particles into self-confined particle pairs in an anisotropic plasma medium with ion flow is considered analytically and numerically using the Langevin molecular dynamics method. We obtain the stability conditions of the pair (bound) state depending on the interaction parameters and particle kinetic energy...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28194044/influence-of-mixing-conditions-on-the-rheological-properties-and-structure-of-capillary-suspensions
#19
Frank Bossler, Lydia Weyrauch, Robert Schmidt, Erin Koos
The rheological properties of a suspension can be dramatically altered by adding a small amount of a secondary fluid that is immiscible with the bulk liquid. These capillary suspensions exist either in the pendular state where the secondary fluid preferentially wets the particles or the capillary state where the bulk fluid is preferentially wetting. The yield stress, as well as storage and loss moduli, depends on the size and distribution of secondary phase droplets created during sample preparation. Enhanced droplet breakup leads to stronger sample structures...
April 5, 2017: Colloids and Surfaces. A, Physicochemical and Engineering Aspects
https://www.readbyqxmd.com/read/28168119/demographic-ecological-and-physiological-responses-of-ringed-seals-to-an-abrupt-decline-in-sea-ice-availability
#20
Steven H Ferguson, Brent G Young, David J Yurkowski, Randi Anderson, Cornelia Willing, Ole Nielsen
To assess whether demographic declines of Arctic species at the southern limit of their range will be gradual or punctuated, we compared large-scale environmental patterns including sea ice dynamics to ringed seal (Pusa hispida) reproduction, body condition, recruitment, and stress in Hudson Bay from 2003 to 2013. Aerial surveys suggested a gradual decline in seal density from 1995 to 2013, with the lowest density occurring in 2013. Body condition decreased and stress (cortisol) increased over time in relation to longer open water periods...
2017: PeerJ
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