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https://www.readbyqxmd.com/read/29141435/extension-of-the-source-sink-potential-approach-to-hartree-fock-and-density-functional-theory-a-new-tool-to-visualize-the-ballistic-current-through-molecules
#1
Stijn Fias, Thijs Stuyver
The recent source and sink potential approach by Pickup et al. [J. Chem. Phys. 143, 194105 (2015)] is extended to Hartree-Fock and density functional theory, allowing the calculation of the transmission and the visualization of ballistic currents through molecules at these levels of theory. This visualization allows the study of the transmission process in real-space, providing an important tool to better understand the conduction process.
November 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29096467/near-omni-conductors-and-insulators-alternant-hydrocarbons-in-the-ssp-model-of-ballistic-conduction
#2
Patrick W Fowler, Irene Sciriha, Martha Borg, Victoria E Seville, Barry T Pickup
Within the source-and-sink-potential model, a complete characterisation is obtained for the conduction behaviour of alternant π-conjugated hydrocarbons (conjugated hydrocarbons without odd cycles). In this model, an omni-conductor has a molecular graph that conducts at the Fermi level irrespective of the choice of connection vertices. Likewise, an omni-insulator is a molecular graph that fails to conduct for any choice of connections. We give a comprehensive classification of possible combinations of omni-conducting and omni-insulating behaviour for molecular graphs, ranked by nullity (number of non-bonding orbitals)...
October 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29083943/assessing-tether-anchor-labeling-and-usability-in-pickup-trucks
#3
Kathleen D Klinich, Miriam A Manary, Laura A Malik, Carol A Flannagan, Jessica S Jermakian
OBJECTIVE: Investigate vehicle factors associated with child restraint tether use and misuse in pickup trucks and evaluate four labeling interventions designed to educate consumers on proper tether use. METHODS: Volunteer testing was performed with 24 subjects and four different pickup trucks. Each subject performed eight child restraint installations among the four pickups using two forward-facing restraints: a Britax Marathon G4.1 and an Evenflo Triumph. Vehicles were selected to represent four different implementations of tether anchors among pickups: plastic loop routers (Chevrolet Silverado), webbing routers (Ram), back wall anchors (Nissan Frontier), and webbing routers plus metal anchors (Toyota Tundra)...
October 30, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/29078039/effectiveness-of-seminal-plasma-in-ivf-treatment-a-systematic-review-and-meta-analysis
#4
Gabriele Saccone, Attilio Di Spiezio Sardo, Andrea Ciardulli, Claudia Caissutti, Marialuigia Spinelli, Daniel Surbek, Michael von Wolff
BACKGROUND: In in vitro fertilization (IVF) techniques only 20 to 25% of the transferred embryos lead to a pregnancy OBJECTIVE: To evaluate the beneficial effects of SP or semen applied at the time of oocyte aspiration or embryo transfer SEARCH STRATEGY: Electronic databases were searched from their inception until August 2017. SELECTION CRITERIA: We included all randomized controlled trials (RCTs) evaluating the effects of SP or semen in IVF treatment. Trials were considered if women were exposed to any kind of SP or semen (either SP/semen injection or sexual intercourse) around the time of oocyte pickup and embryo transfer...
October 27, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29076555/puncture-and-drainage-of-the-subordinate-follicles-at-timed-artificial-insemination-prevents-the-risk-of-twin-pregnancy-in-dairy-cows
#5
F López-Gatius, Rhf Hunter
The objective of this study was to determine whether fluid drainage from the subordinate follicles by ovum pickup procedures prevents the risk of twin pregnancy without reducing the fertility of the cow. Lactating dairy cows with at least two follicles over 12 mm diameter located one on each ovary and selected from synchronized groups for fixed-time insemination were assigned to a Control (n = 49) or Drainage (n = 49) group. The largest follicle was considered as the dominant follicle. Draining of all subordinate follicles (≥10 mm) was performed in the Drainage group...
October 27, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29068393/fatal-pediatric-motor-vehicle-crashes-on-u-s-native-american-indian-lands-compared-to-adjacent-non-indian-lands-restraint-use-and-injury-by-driver-vehicle-roadway-and-crash-characteristics
#6
Shin Ah Oh, Chang Liu, Joyce C Pressley
There are large disparities in American Indian pediatric motor vehicle (MV) mortality with reports that several factors may contribute. The Fatality Analysis Reporting System for 2000-2014 was used to examine restraint use for occupants aged 0-19 years involved in fatal MV crashes on Indian lands (n = 1667) and non-Indian lands in adjacent states (n = 126,080). SAS GLIMMIX logistic regression with random effects was used to generate odds ratios (OR) with 95% confidence intervals (CI). Restraint use increased in both areas over the study period with restraint use on Indian lands being just over half that of non-Indian lands for drivers (36...
October 25, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29065063/child-seat-belt-guidelines-examining-the-4-feet-9-inches-rule-as-the-standard
#7
Amber M Morse, Mary E Aitken, Samantha H Mullins, Beverly K Miller, Mindy M Pomtree, Erin M Ulloa, Jeffrey S Montgomery, Marie E Saylors
BACKGROUND: Current American Academy of Pediatrics recommendations regarding transition from child safety/booster seat to adult safety belt use indicate that children should be at least 4 feet 9 inches, 8 years old, or 80 pounds. Proper fit in the vehicle seat, assessed with a five-point fit test, should also be met. Although most children reach 4 feet 9 inches around age 8 years, each child and vehicle presents a unique combination; thus a child may not fit appropriately in all vehicle types using only the 4 feet 9 inches requirement...
November 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29064471/nasopharyngeal-metagenomic-deep-sequencing-data-lancaster-uk-2014-2015
#8
Kate V Atkinson, Lisa A Bishop, Glenn Rhodes, Nicolas Salez, Neil R McEwan, Matthew J Hegarty, Julie Robey, Nicola Harding, Simon Wetherell, Robert M Lauder, Roger W Pickup, Mark Wilkinson, Derek Gatherer
Nasopharyngeal swabs were taken from volunteers attending a general medical practice and a general hospital in Lancaster, UK, and at Lancaster University, in the winter of 2014-2015. 51 swabs were selected based on high RNA yield and allocated to deep sequencing pools as follows: patients with chronic obstructive pulmonary disease; asthmatics; adults with no respiratory symptoms; adults with feverish respiratory symptoms; adults with respiratory symptoms and presence of antibodies against influenza C; paediatric patients with respiratory symptoms (2 pools); adults with influenza C infection (2 pools), giving a total of 9 pools...
October 24, 2017: Scientific Data
https://www.readbyqxmd.com/read/29053827/comparative-evaluation-of-texture-wheat-ingredients-and-soy-proteins-in-the-quality-and-acceptability-of-emulsified-chicken-nuggets
#9
M Yeater, G Casco, R K Miller, C Z Alvarado
Chicken nuggets are commonly made with varying levels of textured vegetable proteins, such as soy and wheat, for their ability to bind water and their meat like conformation. This project compared textured wheat proteins and soy proteins at 10%, 20%, 30%, and 40% in emulsified chicken nuggets. A total of 3,024 chicken nuggets were evaluated in replications for batter breader pickup (%), par fry yield (%), cook loss (%), L*, a*, b* color value, texture profile analysis, and sensory analysis. The analysis was conducted for all 4 concentrations of wheat and soy treatments then compared to each other and an all white meat chicken nugget control...
October 5, 2017: Poultry Science
https://www.readbyqxmd.com/read/29032464/nutritional-composition-of-honey-bee-food-stores-vary-with-floral-composition
#10
Philip Donkersley, Glenn Rhodes, Roger W Pickup, Kevin C Jones, Eileen F Power, Geraldine A Wright, Kenneth Wilson
Sufficiently diverse and abundant resources are essential for generalist consumers, and form an important part of a suite of conservation strategies for pollinators. Honey bees are generalist foragers and are dependent on diverse forage to adequately meet their nutritional needs. Through analysis of stored pollen (bee bread) samples obtained from 26 honey bee (Apis mellifera L.) hives across NW-England, we quantified bee bread nutritional content and the plant species that produced these stores from pollen...
October 14, 2017: Oecologia
https://www.readbyqxmd.com/read/29031472/catching-on-it-early-bodily-and-brain-anticipatory-mechanisms-for-excellence-in-sport
#11
Ana M Abreu, Matteo Candidi, Salvatore M Aglioti
Programming and executing a subsequent move is inherently linked to the ability to anticipate the actions of others when interacting. Such fundamental social ability is particularly important in sport. Here, we discuss the possible mechanisms behind the highly sophisticated anticipation skills that characterize experts. We contend that prediction in sports might rely on a finely tuned perceptual system that endows experts with a fast, partially unconscious, pickup of relevant cues. Furthermore, we discuss the role of the multimodal, perceptuomotor, multiple-duty cells (mirror neurons) that play an important function in action anticipation by means of an inner motor simulation process...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/29020295/improved-retention-with-six-month-clinic-return-intervals-for-stable-hiv-infected-patients-in-zambia
#12
Aaloke Mody, Monika Roy, Kombatende Sikombe, Thea Savory, Charles Holmes, Carolyn Bolton-Moore, Nancy Padian, Izukanji Sikazwe, Elvin Geng
Background: Extending appointment intervals for stable HIV-infected patients in sub-Saharan Africa can reduce patient opportunity costs and decongest overcrowded facilities. Methods: We analyzed a cohort of stable HIV-infected adults (on treatment with CD4>200 cells/μl for over 6 months) presenting for clinic visits in Lusaka, Zambia. We utilized multilevel, mixed-effects logistic regression adjusting for patient characteristics-including prior retention-to assess the association between scheduled appointment intervals and subsequent missed visits (>14 days late to next visit), gaps in medication (>14 days late to next pharmacy refill), and loss to follow-up (LTFU, >90 days late to next visit)...
August 24, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28969432/hiv-self-testing-in-lusaka-province-zambia-acceptability-comprehension-of-testing-instructions-and-individual-preferences-for-self-test-kit-distribution-in-a-population-based-sample-of-adolescents-and-adults
#13
Arianna Zanolini, Jenala Chipungu, Michael J Vinikoor, Samuel Bosomprah, Mazuba Mafwenko, Charles B Holmes, Harsha Thirumurthy
We assessed attitudes and preferences toward HIV self-testing (HIVST) among Zambian adolescents and adults. We conducted a population-based survey of individuals aged 16-49 years old in Lusaka Province, Zambia. HIVST was shown to participants through a short video on oral fluid-based self-testing. In addition to demographics, HIV risk perceptions, and HIV testing history, we assessed participants' acceptability and concerns regarding HIVST. Using a discrete choice experiment, we investigated preferences for the location of self-test pickup, availability of counseling, and cost...
November 17, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28969150/patient-demographic-and-clinician-factors-in-antibiotic-prescribing-for-upper-respiratory-tract-infections-in-the-australian-capital-territory-from-2006-2015
#14
Hannah Glenn, Justin Friedman, Alexander A Borecki, Camilla Bradshaw, Nicolas Grandjean-Thomsen, Harrison Pickup, Michelle Yue Yin, Catherine Jun, Mohamed E Abdel-Latif
INTRODUCTION: National antibiotic stewardship programs aim to mitigate rising antimicrobial resistance and associated healthcare costs by promoting safe and appropriate antibiotic prescribing. AIM: This study aimed to analyse patient and clinician demographic factors that may influence antibiotic prescribing for Upper Respiratory Tract Infections (URTIs). Trends in antibiotic prescribing patterns were also analysed over the study period. MATERIALS AND METHODS: This retrospective cross-sectional study analysed data from the Australian National University Medical School Clinical Audit Project database, comprising data collected by students during patient encounters over a two week period each April-May between 2006 and 2015 (excluding 2013)...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28966882/evaluation-of-the-effect-of-cellular-sms-reminders-on-consistency-of-antiretroviral-therapy-pharmacy-pickups-in-hiv-infected-adults-in-botswana-a-randomized-controlled-trial
#15
Michael J A Reid, Andrew P Steenhoff, James Thompson, Lesego Gabaitiri, Mark S Cary, Katherine Steele, Susan Mayisela, Diana Dickinson, Peter Ehrenkranz, Harvey M Friedman, Darren R Linkin
OBJECTIVE: Several studies have demonstrated that cellular phone short message service (SMS) improve antiretroviral adherence for people living with HIV in Africa, although less data are available to support using SMS reminders to improve timeliness of antiretroviral therapy (ART) pharmacy pick up. This study tested the efficacy of SMS reminders on timeliness of ART pharmacy pickups at an urban clinic in Gaborone, Botswana. DESIGN: A randomized-controlled trial evaluating the effect of SMS reminders on ART collection for patients with HIV on treatment...
2017: Health Psychology and Behavioral Medicine
https://www.readbyqxmd.com/read/28963304/protocol-for-a-randomised-controlled-implementation-trial-of-point-of-care-viral-load-testing-and-task-shifting-the-simplifying-hiv-treatment-and-monitoring-stream-study
#16
Jienchi Dorward, Nigel Garrett, Justice Quame-Amaglo, Natasha Samsunder, Hope Ngobese, Noluthando Ngomane, Pravikrishnen Moodley, Koleka Mlisana, Torin Schaafsma, Deborah Donnell, Ruanne Barnabas, Kogieleum Naidoo, Salim Abdool Karim, Connie Celum, Paul K Drain
INTRODUCTION: Achieving the Joint United Nations Programme on HIV and AIDS 90-90-90 targets requires models of HIV care that expand antiretroviral therapy (ART) coverage without overburdening health systems. Point-of-care (POC) viral load (VL) testing has the potential to efficiently monitor ART treatment, while enrolled nurses may be able to provide safe and cost-effective chronic care for stable patients with HIV. This study aims to demonstrate whether POC VL testing combined with task shifting to enrolled nurses is non-inferior and cost-effective compared with laboratory-based VL monitoring and standard HIV care...
September 27, 2017: BMJ Open
https://www.readbyqxmd.com/read/28952765/structure-and-reactions-of-11-be-many-body-basis-for-single-neutron-halo
#17
F Barranco, G Potel, R A Broglia, E Vigezzi
The exotic nucleus ^{11}Be has been extensively studied and much experimental information is available on the structure of this system. We treat, within the framework of renormalized nuclear field theory in both configuration and 3D space, the mixing of bound and continuum single-particle states through the coupling to collective vibrations of the ^{10}Be core. We also take care of the Pauli principle acting not only between the single valence particle explicitly considered and those participating in the collective states, but also between fermions involved in two-phonon virtual states dressing the single-particle motion...
August 25, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28942752/multiple-origins-of-parasitic-feminization-thelygeny-and-intersexuality-in-beach-hoppers-are-caused-by-paramyxid-parasites-not-microsporidia
#18
James Pickup, Joseph Edward Ironside
Within populations of the amphipod crustaceans Orchestia gammarellus and Orchestia aestuarensis, a proportion of females produce thelygenic (female-only) broods, which often contain intersexual individuals. This phenomenon is associated with the presence of two putative feminizing parasites, the paramyxid Paramarteilia orchestiae and the microsporidian Dictyocoela cavimanum, which frequently co-infect the same host. In order to determine which of the parasites causes feminization, Orchestia were resampled from the type locality of P...
September 25, 2017: Parasitology
https://www.readbyqxmd.com/read/28940191/weekend-free-scheduled-ivf-icsi-procedures-and-single-embryo-transfer-do-not-reduce-live-birth-rates-in-a-general-infertile-population
#19
Michael Feichtinger, Per O Karlström, Jan I Olofsson, Kenny A Rodriguez-Wallberg
INTRODUCTION: Scheduling of ovum pickup only on weekdays may result in cases of apparently suboptimal timing for human chorionic gonadotropin and ovum pickup. This study aimed to assess whether live-birth rates were reduced in women with a potentially suboptimal day for human chorionic gonadotropin and ovum pickup to avoid weekend work, according to ultrasonographic data on the day of human chorionic gonadotropin planning. MATERIAL AND METHODS: An evaluation of the optimal human chorionic gonadotropin priming date was performed in treatment protocols of 1000 consecutive patients undergoing their first in vitro fertilization/intracytoplasmatic sperm injection with single-embryo transfer...
September 20, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28936047/refabrication-of-an-implant-retained-auricular-prosthesis-using-clip-attachment-pickup-technique
#20
Sanketh Kethireddy, Keerthi Kethireddy
Increased patient acceptance and widespread use have led to a greater demand for refabrication of existing maxillofacial prostheses exhibiting wear and tear. Refabricating an osseointegrated implant-retained silicone auricular prosthesis on the existing Hader bar is a challenging task if it is performed without removing it. Therefore, an attachment level impression method is utilized for the refabrication of a new prosthesis on an existing Hader bar framework without removing it from the patient's defect. This case report discusses a modification of the Mahidol University technique...
July 2017: Journal of Indian Prosthodontic Society
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