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https://www.readbyqxmd.com/read/28439622/long-term-impacts-of-parental-migration-on-chinese-children-s-psychosocial-well-being-mitigating-and-exacerbating-factors
#1
Chenyue Zhao, Feng Wang, Leah Li, Xudong Zhou, Therese Hesketh
PURPOSE: Prolonged separation from migrant parents raises concerns for the well-being of 60 million left behind children (LBC) in rural China. This study aimed to investigate the impact of current and previous parental migration on child psychosocial well-being, with a focus on emotional and behavioral outcomes, while considering factors in family care and support. METHODS: Children were recruited from schools in migrant-sending rural areas in Zhejiang and Guizhou provinces by random stratified sampling...
April 24, 2017: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/28439312/validation-of-the-multiplier-method-for-leg-length-predictions-on-a-large-european-cohort-and-an-assessment-of-the-effect-of-physiological-age-on-predictions
#2
J J Aird, C L Cheesman, A T Schade, F P Monsell
PURPOSE: The Avon Longitudinal Study of Parents and Children (ALSPAC) prospective cohort was used to determine the accuracy of the Paley multiplier method for predicting leg length. Using menarche as a proxy, physiological age was then used to increase the accuracy of the multiplier. METHODS: Chronological age was corrected in female patients over the age of eight years with documented date of first menses. Final sub-ischial leg length and predicted final leg length were predicted for all data points...
2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28438250/new-validity-evidence-of-the-parent-parq-control-scale-of-parental-educational-styles
#3
Omar García-Pérez, Mercedes Inda-Caro, Susana Torío-López
BACKGROUND: The Parent PARQ/Control (short version) for mothers and fathers is an inventory of 29 items where parents record their acceptance-rejection and control behaviors towards their children. Despite vast research on IPARQTheory, it has yet to be vali-dated for a Spanish population. The goal of this study is to analyze the psychometric properties of the instrument and its factorial structure. METHOD: Participants were 4,168 parents from the Principality of Asturias (2,166 mothers and 2,002 fathers)...
May 2017: Psicothema
https://www.readbyqxmd.com/read/28437577/high-gene-flow-despite-opposite-chirality-in-hybrid-zones-between-enantiomorphic-door-snails
#4
Eva L Koch, Marco T Neiber, Frank Walther, Bernhard Hausdorf
We studied differentiation and gene flow patterns between enantiomorphic door-snail species in two hybrid zones in the Bucegi Mountains (Romania) to investigate the effects of intrinsic barriers (complications in copulation) and extrinsic selection by environmental factors. A mitochondrial gene tree confirmed the historical separation of the examined populations into the dextral Alopia livida and the sinistral Alopia straminicollis in accordance with the morphological classification, but also indicated gene flow between the species...
April 24, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28437562/no-post-copulatory-selection-against-mhc-homozygous-offspring-evidence-from-a-pedigreed-captive-rhesus-macaque-colony
#5
E H M Sterck, R E Bontrop, N de Groot, A J M de Vos-Rouweler, G G M Doxiadis
The heterozygosity status of polymorphic elements of the immune system, such as the Major Histocompatability Complex (MHC), are known to increase the potential to cope with a wider variety of pathogens. Pre- and post-copulatory processes may regulate MHC heterozygosity. In a population where mating occurs among individuals that share identical MHC-haplotypes, post-copulatory selection may disfavour homozygous offspring or ones with two MHC-haplotypes identical to its mother. We tested these ideas by determining the incidence of MHC-heterozygous and MHC-homozygous individuals in a pedigreed, partially consanguineous captive rhesus monkey colony...
April 24, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28430276/understanding-gas-adsorption-in-mof-5-graphene-oxide-composite-materials
#6
Li-Chiang Lin, Dooam Paik, Jihan Kim
Metal-organic framework (MOF) and graphene oxide (GO) composite materials (MOF/GO) have been regarded as promising for separation applications due to their synergistically enhanced adsorption properties. Molecular-level understandings of these materials, however, remain unknown to date. In this study, molecular simulations were used, for the first time, to model these composite materials. Specifically, the composite MOF-5/GO material was modeled as stacks of sandwich-like layers on top of one another, consistent with experimental observations inferred from XRD and the SEM images...
April 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28429606/parent-and-patient-perceptions-of-functional-impairment-due-to-tourette-syndrome-development-of-a-shortened-version-of-the-child-tourette-syndrome-impairment-scale
#7
Kara S Francis Barfell, Ryan R Snyder, Kelly M Isaacs-Cloes, Jordan F Garris, Alyssa R Roeckner, Paul S Horn, Michael D Guthrie, Steve W Wu, Donald L Gilbert
The Child Tourette Syndrome Impairment Scale (CTIM) rates 37 problems in school, social, and home domains separately for tics and for comorbid diagnoses. However, a shorter version would be easier to implement in busy clinics. Using published data from 85 children with Tourette syndrome, 92 controls, and parents, factor analysis was used to generate a "mini-CTIM" composed of 12 items applied to tic and comorbid diagnoses. Child- and parent-rated mini-CTIM scores were compared and correlated across raters and accounting for clinician-rated tic severity and presence of attention-deficit hyperactivity disorder (ADHD) and obsessive-compulsive disorder (OCD)...
January 1, 2017: Journal of Child Neurology
https://www.readbyqxmd.com/read/28428817/prevalence-and-correlates-of-adhd-among-adolescents-in-a-beirut-community-sample-results-from-the-bei-psy-study
#8
Elias Ghossoub, Lilian A Ghandour, Fadi Halabi, Pia Zeinoun, Al Amira Safa Shehab, Fadi T Maalouf
BACKGROUND: This study aims to investigate the prevalence, correlates and treatment seeking behavior related to ADHD among adolescents from Lebanon. METHODS: Five hundred and ten adolescents were recruited through multistage stratified cluster sampling of households in Beirut, and separately interviewed along with one parent/legal guardian, using the DAWBA. All adolescents completed the PRQ and the SDQ; the parent/legal guardian also completed the SDQ and provided basic demographic information, including attitudes towards seeking mental health services...
2017: Child and Adolescent Psychiatry and Mental Health
https://www.readbyqxmd.com/read/28426879/acute-exposure-to-dehp-metabolite-mehp-cause-genotoxicity-mutagenesis-and-carcinogenicity-in-mammalian-chinese-hamster-ovary-cells
#9
Yu-Jung Chang, Chia-Yi Tseng, Pei-Ying Lin, Yu-Chen Chuang, Ming-Wei Chao
Di-(2-ethylhexyl) phthalate (DEHP), the common plasticizer used in the production of polyvinyl chloride, can be converted to the more potent metabolite mono-ethylhexyl phthalate (MEHP). Epidemiological studies have shown an association with elevated induction of rat hepatic cancer and reproductive toxicity in response to MEHP exposure. However, the mechanism of genotoxicity and carcinogenicity induced by MEHP treatment remains unclear. As a means to elucidate the mechanisms of action, lethality and mutagenicity in the adenine phosphoribosyltransferase (aprt+/-) gene induced in several CHO cell types by MEHP were assessed...
March 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28425829/effects-of-dexmedetomidine-versus-midazolam-for-premedication-in-paediatric-anaesthesia-with-sevoflurane-a-meta-analysis
#10
Ji-Feng Feng, Xiao-Xia Wang, Yan-Yan Lu, Deng-Ge Pang, Wei Peng, Jian-Lan Mo
Background Dexmedetomidine (DEX), an α2-adrenergic receptor agonist, produces ideal sedation and early postoperative recovery for premedication in paediatric surgery, reducing preoperative anxiety and facilitating smooth induction of anaesthesia. We performed a meta-analysis to compare the effects of DEX and midazolam (MDZ) in paediatric anaesthesia with sevoflurane. Methods PubMed, Ovid, Web of Science, and Public Health Management Corporation were searched through December 2016 for randomized controlled trials (RCTs) that compared DEX and MDZ in children undergoing sevoflurane anaesthesia...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28425032/parenting-in-on-off-relationships-the-link-between-relationship-churning-and-father-involvement
#11
Kristin Turney, Sarah Halpern-Meekin
Family systems theory points to the interconnected nature of dyadic relationships within the family unit, arguing for attention to how the parental relationship shapes their ties to and interactions with their children. Grounded in family systems theory, we consider how relationship churning-defined as being in an on-again/off-again relationship with the same partner-is associated with father involvement. We use data from the Fragile Families and Child Wellbeing Study to examine how father involvement among relationship churners compares with father involvement among those in three other relationship types (measured during the first five years of the focal child's life): stably together relationships, stably broken-up relationships, and repartnered relationships...
April 19, 2017: Demography
https://www.readbyqxmd.com/read/28424488/improving-superconductivity-in-bafe2as2-based-crystals-by-cobalt-clustering-and-electronic-uniformity
#12
L Li, Q Zheng, Q Zou, S Rajput, A O Ijaduola, Z Wu, X P Wang, H B Cao, S Somnath, S Jesse, M Chi, Z Gai, D Parker, A S Sefat
Quantum materials such as antiferromagnets or superconductors are complex in that chemical, electronic, and spin phenomena at atomic scales can manifest in their collective properties. Although there are some clues for designing such materials, they remain mainly unpredictable. In this work, we find that enhancement of transition temperatures in BaFe2As2-based crystals are caused by removing local-lattice strain and electronic-structure disorder by thermal annealing. While annealing improves Néel-ordering temperature in BaFe2As2 crystal (T N  = 132 K to 136 K) by improving in-plane electronic defects and reducing overall a-lattice parameter, it increases superconducting-ordering temperature in optimally cobalt-doped BaFe2As2 crystal (T c = 23 to 25 K) by precipitating-out the cobalt dopants and giving larger overall a-lattice parameter...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424157/childhood-adversity-and-risk-of-suicide-cohort-study-of-548%C3%A2-721-adolescents-and-young-adults-in-sweden
#13
Charlotte Björkenstam, Kyriaki Kosidou, Emma Björkenstam
Objective To examine the relation between childhood adversity, the role of school performance, and childhood psychopathology and the risk of suicide.Design Cohort study of register based indicators of childhood adversity (at ages 0-14) including death in the family (suicide analysed separately), parental substance abuse, parental psychiatric disorder, substantial parental criminality, parental separation/single parent household, receipt of public assistance, and residential instability.Setting Swedish medical birth register and various Swedish population based registers...
April 19, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28422081/non-responsive-feeding-practices-unhealthy-eating-behaviors-and-risk-of-child-overweight-and-obesity-in-southeast-asia-a-systematic-review
#14
REVIEW
Ana Cristina Lindsay, Somporn Sitthisongkram, Mary L Greaney, Sherrie F Wallington, Praewrapee Ruengdej
Childhood obesity is increasing dramatically in many Southeast Asian countries, and becoming a significant public health concern. This review summarizes the evidence on associations between parental feeding practices, child eating behaviors, and the risk of overweight and obesity in Southeast Asian children 2-12 years old. We systematically searched five electronic academic/research (PubMed, PsycINFO, ProQuest Nursing, Medline, and CINAHL) databases using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement for peer-reviewed studies published in English between January 2000 and December 2016...
April 19, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28416085/delamination-mechanism-study-of-large-size-waste-printed-circuit-boards-by-using-dimethylacetamide
#15
Himanshu Ranjan Verma, Kamalesh K Singh, Tilak Raj Mankhand
Present work investigates the recycling of waste printed circuit boards (PCBs) by cracking of its multi-layered structure by using dimethylacetamide (DMA). The study shows that cracking and separation of layers of PCBs increases as the temperature increases; and decreases as the surface area of PCBs increases. After separation of layers, the used solvent was analyzed by proton and carbon nuclear magnetic resonance spectroscopy (NMR) to understand the dissolution phenomenon of resin. Further, NMR and Fourier transform infrared spectroscopy analysis of DMA sample after 1h, 2h, 3h, 4h and 8h of reaction with PCBs at 433K and PCB:DMA ratio (wt/vol) of 3:10 has been carried out to investigate the mechanism of dissolution of resin...
April 13, 2017: Waste Management
https://www.readbyqxmd.com/read/28416040/effect-of-early-sexual-debut-on-high-school-completion-in-south-africa
#16
A V Bengesai, H T A Khan, R Dube
Early sexual debut is of major concern because it is a correlate for health and economic shocks experienced in adulthood. In South Africa, this concern has provided impetus for research directed at the HIV and AIDS epidemic, teenage pregnancy and the effect of adolescent sexual behaviour on persistence in school. Of interest to the present study is high school completion, which is a well-established empirical barometer of adult socioeconomic opportunities. Using data from the five waves of the Cape Area Panel Study (CAPS), this paper examines the association between sexual behaviours initiated in pre- and early adolescence and high school completion rates...
April 18, 2017: Journal of Biosocial Science
https://www.readbyqxmd.com/read/28414546/behavioral-parent-training-in-infancy-what-about-the-parent-infant-relationship
#17
Angela M Blizzard, Nicole E Barroso, Francisco G Ramos, Paulo A Graziano, Daniel M Bagner
Behavioral parent training (BPT) and attachment interventions have demonstrated efficacy in improving outcomes for young children. Despite theoretical overlap in these approaches, the literature has evolved separately, particularly with respect to outcome measurement in BPT. We examined the impact of the Infant Behavior Program (IBP), a brief home-based adaptation of Parent-Child Interaction Therapy, on changes in attachment-based caregiving behaviors (sensitivity, warmth, and intrusiveness) at postintervention and 3- and 6-month follow-ups during a videotaped infant-led play...
April 17, 2017: Journal of Clinical Child and Adolescent Psychology
https://www.readbyqxmd.com/read/28412991/inbreeding-effects-on-in-vitro-embryo-production-traits-in-guzer%C3%A3-cattle
#18
B C Perez, J C C Balieiro, R V Ventura, F A T Bruneli, M G C D Peixoto
Inbreeding has been associated with the impairment of reproductive performance in many cattle breeds. Although the usage of reproductive biotechnologies has been increasing in bovine populations, not much attention has been given to the impact of inbreeding over cow's performance on artificial reproduction. The objective of this study was to estimate the impact of inbreeding on in vitro embryo production in a Guzerá breed population. The inbreeding coefficient (F), calculated as half of the co-ancestry of the individual's parents, was used as an estimate of inbreeding...
April 17, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28411398/bud-detachment-in-hydra-requires-activation-of-fgfr-and-a-rho-rock-myosin-ii-signaling-pathway-to-ensure-formation-of-a-basal-constriction
#19
Oliver Holz, David Apel, Patrick Steinmetz, Ellen Lange, Simon Hopfenmüller, Kerstin Ohler, Stefanie Sudhop, Monika Hassel
BACKGROUND: Hydra propagates asexually by exporting tissue into a bud, which detaches four days later as a fully differentiated young polyp. Prerequisite for detachment is activation of fibroblast growth factor receptor (FGFR) signaling. The mechanism which enables constriction and tissue separation within the monolayered ecto- and endodermal epithelia is unknown. RESULTS: Histological sections and staining of F-actin by phalloidin revealed conspicuous cell shape changes at the bud detachment site indicating a localized generation of mechanical forces and the potential enhancement of secretory functions in ectodermal cells...
April 15, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28409361/psychometric-properties-of-the-spence-children-s-anxiety-scale-parent-report-in-children-with-autism-spectrum-disorder
#20
Katia Jitlina, Bruno Zumbo, Pat Mirenda, Laurie Ford, Teresa Bennett, Stelios Georgiades, Charlotte Waddell, Isabel M Smith, Joanne Volden, Eric Duku, Lonnie Zwaigenbaum, Peter Szatmari, Tracy Vaillancourt, Mayada Elsabbagh
Although anxiety is frequently reported in children with autism spectrum disorder (ASD), existing anxiety scales are often psychometrically inappropriate for this population. This study examined the internal structure, reliability, convergent and discriminant validity of the Spence Children's Anxiety Scale-Parent Report (SCAS-P; Spence 1999) in 238 school-aged children with ASD. While confirmatory factor analysis did not support the original six-correlated-factor structure, structural support as well as acceptable internal consistency and convergent validity was found for Generalized Anxiety, Separation Anxiety, Panic, and Agoraphobia subscales...
April 13, 2017: Journal of Autism and Developmental Disorders
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