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https://www.readbyqxmd.com/read/28230275/the-development-and-correlates-of-gender-role-attitudes-in-african-american-youth
#1
Chun Bun Lam, Christine Stanik, Susan M McHale
This research examined the longitudinal trajectories and family correlates of gender role attitudes in African American youth in a sample of 166 sibling pairs residing with their mothers and fathers. Multilevel modelling revealed that (1) girls and boys exhibited significant declines in gender attitude traditionality from ages 9 to 15 that levelled off through age 18, (2) mothers' (but not fathers') gender role attitude traditionality was positively related to youth's attitude traditionality, and (3) within-person variation in mothers' (but not fathers') racial discrimination experiences was negatively related to within-person variation in youth's gender role attitude traditionality...
February 23, 2017: British Journal of Developmental Psychology
https://www.readbyqxmd.com/read/28228572/opposed-to-the-being-of-henrietta-bioslavery-pop-culture-and-the-third-life-of-hela-cells
#2
Marlon Rachquel Moore
Operating at the intersection of thanatopolitics and African-American cultural studies, this essay argues that the commercial sale of HeLa-themed art and other bioproducts perpetuates the bioslavery of HeLa cells, a circumstance created by legal and medical discourses tracing back to US racial slavery. Racial slavery normalised economic, social and legal inequities that the nation continues to struggle with and, the article posits, laid foundation for the dynamics that currently exist between Henrietta Lacks' genealogical family, the HeLa cell line, and the medical-pharmaceutical establishment...
March 2017: Medical Humanities
https://www.readbyqxmd.com/read/28228412/inequality-in-cataract-blindness-and-services-moving-beyond-unidimensional-analyses-of-social-position
#3
Jacqueline Ramke, Anthony B Zwi, Arier C Lee, Ilse Blignault, Clare E Gilbert
OBJECTIVE: Inequalities in cataract blindness are well known, but data are rarely disaggregated to explore the combined effects of a range of axes describing social disadvantage. We examined inequalities in cataract blindness and services at the intersection of three social axes. METHODS: Three dichotomous social variables (sex (male/female); place of residence (urban/rural); literacy (literate/illiterate)) from cross-sectional national blindness surveys in Pakistan (2001-2004; n=16 507) and Nigeria (2005-2007; n=13 591) were used to construct eight subgroups, with disadvantaged subgroups selected a priori (ie, women, rural dwellers, illiterate)...
February 22, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28228022/electron-nuclear-wave-packet-dynamics-through-a-conical-intersection
#4
Kilian Hader, Julian Albert, E K U Gross, Volker Engel
We investigate the coupled electron-nuclear dynamics in a model system showing a conical intersection (CoIn) between two excited state potential energy surfaces. Within the model, a single electron and nucleus move in two dimensions in an external static field. It is demonstrated that the nuclear density conserves its initial Gaussian shape when directly passing the CoIn, whereas the electronic density remains approximately constant. This is in sharp contrast to the picture which evolves from an analysis within the basis of adiabatic electronic states...
February 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28227796/estimation-of-joint-center-and-measurement-of-finger-motion-by-inertial-sensors
#5
Keisuke Kitano, Akihito Ito, Nobutaka Tsujiuchi, Shigeru Wakida, Keisuke Kitano, Akihito Ito, Nobutaka Tsujiuchi, Shigeru Wakida, Akihito Ito, Shigeru Wakida, Keisuke Kitano, Nobutaka Tsujiuchi
The authors developed a wearable finger motion measurement system using inertial and geomagnetic sensors. Using this system, motion and posture of the hands and fingers can be measured. However, the joint center and segment axis cannot be accurately measured in a previous study using the sensors. Therefore, the authors proposed a method of estimating the joint center and segment lengths. This method utilizes the fact that the calculation formula of the rotational acceleration in the sensor's coordinate system is the vector product...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227710/monitoring-of-paces-and-gaits-using-binary-pir-sensors-with-rehabilitation-treadmill
#6
Jiang Lu, Ting Zhang, Qingquan Sun, Sanobar Kadiwal, Ishaq Unwala, Fei Hu, Jiang Lu, Ting Zhang, Qingquan Sun, Sanobar Kadiwal, Ishaq Unwala, Fei Hu, Ting Zhang, Ishaq Unwala, Qingquan Sun, Jiang Lu, Sanobar Kadiwal, Fei Hu
Recently, rehabilitation treadmills are designed for helping injured persons such as stroke patients and injury athletes in the process of physical therapy. By monitoring the changes of paces and gaits, one can estimate the progress of rehabilitation. At present, most devices that can estimate paces and gaits are wearable and/or expensive. This paper presents an inexpensive, non-intrusive wireless binary sensor system for pace estimation and lower-extreme gait recognition with low data throughput and high energy efficiency...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226695/creation-of-a-whole-brain-short-association-bundle-atlas-using-a-hybrid-approach
#7
M Guevara, C Roman, J Houenou, D Duclap, C Poupon, J-F Mangin, P Guevara, M Guevara, C Roman, J Houenou, D Duclap, C Poupon, J-F Mangin, P Guevara, J-F Mangin, C Roman, D Duclap, C Poupon, J Houenou, P Guevara, M Guevara
The Human brain connection map is far from being complete. In particular the study of the superficial white matter (SWM) is an unachieved task. Its description is essential for the understanding of human brain function and the study of pathogenesis triggered by abnormal connectivity. In this work we expanded a previously developed method for the automatic creation of a whole brain SWM bundle atlas. The method is based on a hybrid approach. First a cortical parcellation is used to extract fibers connecting two regions...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225662/redesigning-school-nursing-education-in-new-jersey-to-address-the-challenges-and-opportunities-of-population-health
#8
Robin M Cogan, Sharon M Conway, Joy D Atkins
School health is a specialty practice of nursing positioned at the intersection of public health and population health. This article discusses the redesign of a program's curriculum with the hope of advancing and elevating the practice of school nursing. The redesign is based on NASN's Framework for 21st Century School Nursing Practice and is the result of a New Jersey Nursing Initiative grant awarded to a trio of adjunct faculty from Rutgers University Camden in July 2016.
March 2017: NASN School Nurse
https://www.readbyqxmd.com/read/28224313/sexual-stereotypes-ascribed-to-black-men-who-have-sex-with-men-an-intersectional-analysis
#9
Sarah K Calabrese, Valerie A Earnshaw, Manya Magnus, Nathan B Hansen, Douglas S Krakower, Kristen Underhill, Kenneth H Mayer, Trace S Kershaw, Joseph R Betancourt, John F Dovidio
Sexual stereotypes may adversely affect the health of Black men who have sex with men (MSM). Greater understanding of the nature and nuances of these stereotypes is needed. This online, survey-based study used an inductive, intersectional approach to characterize the sexual stereotypes ascribed to Black MSM by the U.S. general public, their distinctiveness from those ascribed to Black men and MSM in general, and their relative prototypicality as compared to dominant subgroups. Members of the public, recruited in 2014-2015, were randomly assigned to survey conditions that varied systematically by race (Black, White, or unspecified) and sexual orientation (gay, heterosexual, or unspecified) of a designated social group...
February 21, 2017: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/28224149/two-new-metal-organic-frameworks-based-on-tetrazole-heterocyclic-ligands-accompanied-by-in-situ-ligand-formation
#10
Qin Li, Mei-Hui Yu, Jian Xu, Ai-Lin Li, Tong-Liang Hu, Xian-He Bu
Based on the same in situ formed ligand, two new MOFs, namely {[Zn2(HL)2]·0.5DMF·H2O}n (1) and {[Cd2(HL)2]·1.5H2O}n (2) (H3L = 5-[(2H-tetrazol-5-yl)amino]isophthalic acid), have been solvothermally synthesized and structurally characterized by elemental analysis, IR, PXRD, and single-crystal X-ray diffraction. During the self-assembly process, the original ligand H2ATBDC (5-(5-amino-1H-tetrazol-1-yl)-1,3-benzenedicarboxylic acid) undergoes the Dimroth rearrangement to form a new ligand H3L, consequently contributing to the construction of the two new MOFs...
February 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28224054/variant-profiling-of-evolving-prokaryotic-populations
#11
Markus Zojer, Lisa N Schuster, Frederik Schulz, Alexander Pfundner, Matthias Horn, Thomas Rattei
Genomic heterogeneity of bacterial species is observed and studied in experimental evolution experiments and clinical diagnostics, and occurs as micro-diversity of natural habitats. The challenge for genome research is to accurately capture this heterogeneity with the currently used short sequencing reads. Recent advances in NGS technologies improved the speed and coverage and thus allowed for deep sequencing of bacterial populations. This facilitates the quantitative assessment of genomic heterogeneity, including low frequency alleles or haplotypes...
2017: PeerJ
https://www.readbyqxmd.com/read/28223173/interactions-and-constraints-in-model-species-response-to-environmental-heteroscedasticity
#12
George P Malanson
Increasing environmental variability could exacerbate the effects of climate change on ecological processes such as population dynamics, or positive and negative effects (favorable or unfavorable weather) could balance. Such a balance could depend on constraints of the processes. Biological and spatial constraints are represented in a spatially explicit individual based simulation of an ecotone reduced to two species on a single environmental gradient. The effects of climate amelioration are simulated from a plant's-eye-view by increasing the establishment and decreasing the mortality rates...
February 18, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28222961/the-complex-role-of-social-care-services-in-supporting-the-development-of-sustainable-identities-insights-from-the-experiences-of-british-south-asian-women-with-intellectual-disabilities
#13
Kulsoom Jawaid Malik, Gemma Unwin, Michael Larkin, Biza Stenfert Kroese, John Rose
BACKGROUND AND AIMS: Carers and service users with intellectual disabilities from minority ethnic groups have typically been reported to be dissatisfied with the social care services they receive. However, service users themselves have rarely been asked directly about their experiences of social care. This paper aims to understand the meaning of social care services in the lives of South Asian women with intellectual disabilities, in the United Kingdom. METHOD AND PROCEDURE: 10 British South Asian women with mild-moderate intellectual disabilities were interviewed about their experiences of social care services...
February 17, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28222011/automatic-sleep-stage-classification-of-single-channel-eeg-by-using-complex-valued-convolutional-neural-network
#14
Junming Zhang, Yan Wu
Many systems are developed for automatic sleep stage classification. However, nearly all models are based on handcrafted features. Because of the large feature space, there are so many features that feature selection should be used. Meanwhile, designing handcrafted features is a difficult and time-consuming task because the feature designing needs domain knowledge of experienced experts. Results vary when different sets of features are chosen to identify sleep stages. Additionally, many features that we may be unaware of exist...
February 21, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28221047/excited-state-proton-transfer-in-indigo
#15
Joao Pina, Daniela Santos Sarmento, Marco Accoto, Pier Luigi Gentili, Luigi Vaccaro, Adelino M Galvão, J Sérgio Seixas de Melo
Excited state proton transfer (ESPT) in Indigo (Ind) and its mono hexyl-substituted derivative (NHxInd) in solution was investigated experimentally as a function of solvent viscosity, polarity and temperature, and theoretically by time-dependent DFT (TDDFT) calculations. Although a single emission band is observed, the fluorescence decays (collected at different wavelengths along the emission band using time-correlated single photon counting (TCSPC)) are bi-exponential, with two identical decay times but different pre-exponential factors, consistent with the existence of excited state keto and enol species...
February 21, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28220839/pten-status-is-a-crucial-determinant-of-the-functional-outcome-of-combined-mek-and-mtor-inhibition-in-cancer
#16
Michele Milella, Italia Falcone, Fabiana Conciatori, Silvia Matteoni, Andrea Sacconi, Teresa De Luca, Chiara Bazzichetto, Vincenzo Corbo, Michele Simbolo, Isabella Sperduti, Antonina Benfante, Anais Del Curatolo, Ursula Cesta Incani, Federico Malusa, Adriana Eramo, Giovanni Sette, Aldo Scarpa, Marina Konopleva, Michael Andreeff, James Andrew McCubrey, Giovanni Blandino, Matilde Todaro, Giorgio Stassi, Ruggero De Maria, Francesco Cognetti, Donatella Del Bufalo, Ludovica Ciuffreda
Combined MAPK/PI3K pathway inhibition represents an attractive, albeit toxic, therapeutic strategy in oncology. Since PTEN lies at the intersection of these two pathways, we investigated whether PTEN status determines the functional response to combined pathway inhibition. PTEN (gene, mRNA, and protein) status was extensively characterized in a panel of cancer cell lines and combined MEK/mTOR inhibition displayed highly synergistic pharmacologic interactions almost exclusively in PTEN-loss models. Genetic manipulation of PTEN status confirmed a mechanistic role for PTEN in determining the functional outcome of combined pathway blockade...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28220524/language-fmri-and-direct-cortical-stimulation-in-epilepsy-preoperative-planning
#17
Alison Austermuehle, John Cocjin, Reynolds Richard, Shubhi Agrawal, Leigh Sepeta, William D Gaillard, Kareem Zaghloul, Sara Inati, William H Theodore
OBJECTIVE: Presurgical language assessment can help minimize damage to eloquent cortex during resective epilepsy surgery. Two methods for presurgical language mapping are functional MRI (fMRI) and direct cortical stimulation (DCS) of implanted subdural electrodes. We compared fMRI results to DCS to help optimize non-invasive language localization and assess its validity. METHODS: We studied 19 patients referred for presurgical evaluation of drug-resistant epilepsy...
February 21, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28220078/inhibition-of-vegfr2-activation-and-its-downstream-signaling-to-erk1-2-and-calcium-by-thrombospondin-1-tsp1-in-silico-investigation
#18
Hojjat Bazzazi, Jeffery S Isenberg, Aleksander S Popel
VEGF signaling through VEGFR2 is a central regulator of the angiogenic response. Inhibition of VEGF signaling by the stress-induced matricellular protein TSP1 plays a role in modulating the angiogenic response to VEGF in both health and disease. TSP1 binding to CD47 inhibits VEGFR2 activation. The full implications of this inhibitory interaction are unknown. We developed a detailed rule-based computational model to inquire if TSP1-CD47 signaling through VEGF had downstream effects upon ERK1/2 and calcium. Our Simulations suggest that enhanced degradation of VEGFR2 initiated by the binding of TSP1 to CD47 is sufficient to explain the inhibition of VEGFR2 phosphorylation, calcium elevation, and ERK1/2 activation downstream of VEGF...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28219427/association-between-perceived-built-environmental-attributes-and-physical-activity-among-adults-in-south-africa
#19
Pasmore Malambo, Andre P Kengne, Estelle V Lambert, Anniza De Villers, Thandi Puoane
BACKGROUND: To investigate the association between perceived environmental attributes and leisure-time and transport-related physical activity. METHODS: This was a cross-sectional survey involving 671 South Africans aged ≥35 years from urban and rural settings. International Physical Activity Questionnaire and Neighbourhood Walkability Scale were used to collect data. Multivariable logistic regressions were used to investigate the associations. RESULTS: Significant urban vs...
February 20, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28218267/dislocation-mechanisms-and-3d-twin-architectures-generate-exceptional-strength-ductility-toughness-combination-in-crconi-medium-entropy-alloy
#20
Zijiao Zhang, Hongwei Sheng, Zhangjie Wang, Bernd Gludovatz, Ze Zhang, Easo P George, Qian Yu, Scott X Mao, Robert O Ritchie
Combinations of high strength and ductility are hard to attain in metals. Exceptions include materials exhibiting twinning-induced plasticity. To understand how the strength-ductility trade-off can be defeated, we apply in situ, and aberration-corrected scanning, transmission electron microscopy to examine deformation mechanisms in the medium-entropy alloy CrCoNi that exhibits one of the highest combinations of strength, ductility and toughness on record. Ab initio modelling suggests that it has negative stacking-fault energy at 0K and high propensity for twinning...
February 20, 2017: Nature Communications
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