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https://www.readbyqxmd.com/read/27910601/combined-scanning-probe-microscopy-and-x-ray-scattering-instrument-for-in-situ-catalysis-investigations
#1
Willem G Onderwaater, Peter C van der Tuijn, Rik V Mom, Matthijs A van Spronsen, Sander B Roobol, Amirmehdi Saedi, Jakub Drnec, Helena Isern, Francesco Carla, Thomas Dufrane, Raymond Koehler, Bert Crama, Irene M N Groot, Roberto Felici, Joost W M Frenken
We have developed a new instrument combining a scanning probe microscope (SPM) and an X-ray scattering platform for ambient-pressure catalysis studies. The two instruments are integrated with a flow reactor and an ultra-high vacuum system that can be mounted easily on the diffractometer at a synchrotron end station. This makes it possible to perform SPM and X-ray scattering experiments in the same instrument under identical conditions that are relevant for catalysis.
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27901397/a-systems-toxicology-approach-reveals-the-wnt-mapk-crosstalk-pathway-mediated-reproductive-failure-in-caenorhabditis-elegans-exposed-to-graphene-oxide-go-but-not-to-reduced-graphene-oxide-rgo
#2
Nivedita Chatterjee, Young-Ho Kim, Jisu Yang, Carlos P Roca, Sang Woo Joo, Jinhee Choi
The potential hazards of graphene nanomaterials were investigated by exposing the nematode Caenorhabditis elegans to graphene oxide (GO) and reduced graphene oxide (rGO). The underlying mechanisms of the nano-bio interaction were addressed with an integrated systems toxicology approach using global transcriptomics, network-based pathway analysis, and experimental validation of the in-silico-derived hypotheses. Graphene oxide was found to reduce the worms' reproductive health to a greater degree than rGO, but it did not affect survival (24 h endpoint)...
November 30, 2016: Nanotoxicology
https://www.readbyqxmd.com/read/27899339/engaging-moms-on-teen-indoor-tanning-through-social-media-protocol-of-a-randomized-controlled-trial
#3
Sherry L Pagoto, Katie Baker, Julia Griffith, Jessica L Oleski, Ashley Palumbo, Barbara J Walkosz, Joel Hillhouse, Kimberly L Henry, David B Buller
BACKGROUND: Indoor tanning elevates the risk for melanoma, which is now the most common cancer in US women aged 25-29. Public policies restricting access to indoor tanning by minors to reduce melanoma morbidity and mortality in teens are emerging. In the United States, the most common policy restricting indoor tanning in minors involves parents providing either written or in person consent for the minor to purchase a tanning visit. The effectiveness of this policy relies on parents being properly educated about the harms of indoor tanning to their children...
November 29, 2016: JMIR Research Protocols
https://www.readbyqxmd.com/read/27895255/flue-gas-and-direct-air-capture-of-co2-by-porous-metal-organic-materials
#4
David G Madden, Hayley S Scott, Amrit Kumar, Kai-Jie Chen, Rana Sanii, Alankriti Bajpai, Matteo Lusi, Teresa Curtin, John J Perry, Michael J Zaworotko
Sequestration of CO2, either from gas mixtures or directly from air (direct air capture), is a technological goal important to large-scale industrial processes such as gas purification and the mitigation of carbon emissions. Previously, we investigated five porous materials, three porous metal-organic materials (MOMs), a benchmark inorganic material, ZEOLITE 13X: and a chemisorbent, TEPA-SBA-15: , for their ability to adsorb CO2 directly from air and from simulated flue-gas. In this contribution, a further 10 physisorbent materials that exhibit strong interactions with CO2 have been evaluated by temperature-programmed desorption for their potential utility in carbon capture applications: four hybrid ultramicroporous materials, SIFSIX-3-CU: , DICRO-3-NI-I: , SIFSIX-2-CU-I: and MOOFOUR-1-NI: ; five microporous MOMs, DMOF-1: , ZIF-8: , MIL-101: , UIO-66: and UIO-66-NH2: ; an ultramicroporous MOM, NI-4-PYC: The performance of these MOMs was found to be negatively impacted by moisture...
January 13, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/27892824/experiences-of-korean-mothers-of-children-with-cancer-a-photovoice-study
#5
Min Ah Kim, Jaehee Yi, Jina Sang, Soo Hyun Kim, InYoung Heo
Using Photovoice, a participatory action research methodology, we investigated Korean mothers' lives postdiagnosis of their child with cancer. Photovoice was used to understand the mothers' perceptions of how they have adapted to their children's illnesses. Five mothers of children with cancer participated in five sessions of the Photovoice project, during which they took and shared photographs and narratives about their experiences and joined weekly group discussions on their selected themes. The following themes and subthemes emerged: "What I would like to do (taking a break, socializing with friends, spending time with other family members, developing my career)," "My child and food (whatever my child wants to eat, love of family)," "My days for my child (doing what my child wants to do, being a playmate, changing for my child)," and "Power sources for me (family, courage of children, mom is strong, hope)...
November 28, 2016: Journal of Psychosocial Oncology
https://www.readbyqxmd.com/read/27892706/-if-i-went-to-my-mom-with-that-information-i-m-dead-sexual-health-knowledge-barriers-among-immigrant-and-refugee-somali-young-adults-in-ohio
#6
Caroline Kingori, Gillian Harper Ice, Qorsho Hassan, Abdul Elmi, Erin Perko
OBJECTIVES: Adequate knowledge of sexual health among young adults is a critical step in prevention of sexually transmitted diseases and maintenance of adult sexual health. Knowledge of specific barriers to accessing sexual health knowledge can help tailor approaches appropriately. The purpose of this paper was to identify sexual health knowledge barriers among Somali young adults in Ohio. DESIGN: In-depth interviews were conducted with a convenience sample of 27 Somali young adults aged 18-25 years...
November 28, 2016: Ethnicity & Health
https://www.readbyqxmd.com/read/27888094/nano-analyses-of-wear-particles-from-metal-on-metal-and-non-metal-on-metal-dual-modular-neck-hip-arthroplasty
#7
Zhidao Xia, Benjamin F Ricciardi, Zhao Liu, Christopher von Ruhland, Mike Ward, Alex Lord, Louise Hughes, Steven R Goldring, Edward Purdue, David Murray, Giorgio Perino
Increased failure rates due to metallic wear particle-associated adverse local tissue reactions (ALTR) is a significant clinical problem in resurfacing and total hip arthroplasty. Retrieved periprosthetic tissue of 53 cases with corrosion/conventional metallic wear particles from 285 revision operations for ALTR was selected for nano-analyses. Three major classes of hip implants associated with ALTR, metal-on-metal hip resurfacing arthroplasty (MoM HRA) and large head total hip replacement (MoM LHTHA) and non-metal-on-metal dual modular neck total hip replacement (Non-MoM DMNTHA) were included...
November 22, 2016: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/27869463/posttraumatic-stress-disorder-in-latina-women-examining-the-efficacy-of-the-moms-empowerment-program
#8
Maria M Galano, Andrew C Grogan-Kaylor, Sara F Stein, Hannah M Clark, Sandra A Graham-Bermann
Objective: Intimate partner violence (IPV) is a serious public health problem, affecting every 1 in 4 women in their lifetime. Latinas have been found to experience IPV at rates equal to or even higher than rates in the general population. The consequences of experiencing such violence can be severe, and result in increased risk for developing both physical and mental health problems, notably, posttraumatic stress disorder (PTSD). Although treatments for PTSD in IPV-exposed women have been developed and evaluated, this is the first study to test the efficacy of a program tailored specifically to meet the needs of Latinas who experience IPV...
November 21, 2016: Psychological Trauma: Theory, Research, Practice and Policy
https://www.readbyqxmd.com/read/27867413/a-parent-based-intervention-to-prevent-hiv-among-adolescent-children-of-mothers-living-with-hiv-the-ms-now-program
#9
Nicholas Tarantino, Lisa P Armistead
One group often overlooked by HIV prevention efforts is adolescent children of mothers living with HIV (MLH). Despite their potential vulnerability, very few evidence-based prevention programs exist for this population in the United States (U.S.) and elsewhere. The current study introduces a parent-based program adapted for families affected by HIV for the purpose of preventing adolescent HIV infection. Following a structured process of adaptation, 12 African American MLH-adolescent dyads were recruited from HIV clinics and non-governmental organizations in a southeastern U...
2016: Vulnerable Children and Youth Studies
https://www.readbyqxmd.com/read/27867281/visiting-mom-a-pilot-evaluation-of-a-prison-based-visiting-program-serving-incarcerated-mothers-and-their-minor-children
#10
Erin C Schubert, Megan Duininck, Rebecca J Shlafer
We describe an evaluation of a prison visiting program, Extended Visiting (EV), for incarcerated mothers and their children. Mothers (N = 24) and caregivers (N = 19) were interviewed regarding experiences with the program. Mothers identified benefits including maintaining a relationship with children, physical contact, motivation, privacy, peer support, and personal growth. Caregivers echoed mothers' appreciation for the opportunity to maintain mother-child relationships and physical contact. Mothers identified barriers including desire for overnight visits and more age-appropriate activities...
2016: Journal of Offender Rehabilitation
https://www.readbyqxmd.com/read/27857480/differences-in-concentration-of-metal-debris-in-blood-serum-and-plasma-samples-of-patients-with-metal-on-metal-hip-resurfacing-arthroplasty
#11
M Khan, J H Kuiper, Christine Sieniawska, J B Richardson
BACKGROUND/AIMS: Cobalt and chromium are released from MOM hips and their precise nature (ions/particles) is not known. Their distribution in serum, plasma, and whole blood may help to determine their nature. METHODS: We measured cobalt and chromium concentrations in plasma, serum, and whole blood samples of patients with resurfacing MOM hips. RESULTS: We found that chromium concentration was highest in plasma, followed by serum and whole blood...
December 2016: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27852907/scoring-the-current-risk-stratification-guidelines-in-follow-up-evaluation-of-patients-after-metal-on-metal-hip-arthroplasty-a-proposal-for-a-metal-on-metal-risk-score-supporting-clinical-decision-making
#12
Daniel K Hussey, Rami Madanat, Gabrielle S Donahue, Ola Rolfson, Charles R Bragdon, Orhun K Muratoglu, Henrik Malchau
BACKGROUND: In the follow-up evaluation of patients with metal-on-metal (MoM) hip replacements, current evidence suggests that orthopaedic surgeons should avoid reliance on any single investigative tool. Current risk stratification guidelines can be difficult to interpret because they do not provide guidance when there are several risk factors in different groups (high and low risk). To improve the clinical utility of risk stratification guidelines, we designed a scoring system to assess the risk of revision...
November 16, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27852640/janus-at-the-crossroads-perspectives-on-long-term-care-trajectories-for-older-women-with-dementia-in-a-canadian-context
#13
Denise S Cloutier, Margaret J Penning
PURPOSE OF THE STUDY: Janus, the two-faced, Roman god of beginnings and transitions, is used as a metaphor to explore our personal narratives and our quantitative research on the experiences of older women with dementia in long-term care (LTC). Two research questions are addressed: (a) How do our quantitative data map onto our mothers' experiences? (b) What lessons do our mothers' experiences offer for the care of older women with dementia? DESIGN AND METHODS: Informed by a life-course perspective, we triangulate administrative data on 3,717 women with dementia receiving LTC in British Columbia, Canada, with personal narratives-the stories of our mothers who made the transition from home care into residential (nursing home) care...
November 16, 2016: Gerontologist
https://www.readbyqxmd.com/read/27847101/analysis-of-first-and-second-trimester-maternal-serum-analytes-for-the-prediction-of-morbidly-adherent-placenta-requiring-hysterectomy
#14
Efser Oztas, Sibel Ozler, Ali Turhan Caglar, Aykan Yucel
Morbidly adherent placenta (MAP) is a growing concern currently and is still a diagnostic challenge for obstetricians. As emergency hysterectomy due to unscheduled delivery in MAP carries significant risks, we aimed to evaluate whether first and second trimester serum analytes may be used in the prediction of MAP requiring hysterectomy. A retrospective chart review of all identified cases of placenta previa totalis with and without MAP was performed. A total of 316 pregnant women diagnosed as placenta previa totalis were identified and included in the analysis...
November 2016: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/27836421/human-milk-is-the-feeding-strategy-to-prevent-necrotizing-enterocolitis
#15
REVIEW
Diana Maffei, Richard J Schanler
Human milk is the preferred diet for preterm infants as it protects against a multitude of NICU challenges, specifically necrotizing enterocolitis. Infants who receive greater than 50% of mother's own milk (MOM) in the 2 weeks after birth have a significantly decreased risk of NEC. An additional factor in the recent declining rates of NEC is the increased utilization of donor human milk (DHM). This creates a bridge until MOM is readily available, thus decreasing the exposure to cow milk protein. Preterm infants are susceptible to NEC due to the immaturity of their gastrointestinal and immune systems...
November 8, 2016: Seminars in Perinatology
https://www.readbyqxmd.com/read/27835040/developing-a-new-algorithm-for-first-and-second-trimester-preeclampsia-screening-in-twin-pregnancies
#16
Ron Maymon, Alla Trahtenherts, Ran Svirsky, Yaakov Melcer, Liora Madar-Shapiro, Esther Klog, Hamutal Meiri, Howard Cuckle
OBJECTIVES: Construct a new preeclampsia predicting algorithm in twins. METHODS: Twins sampled at 10-13 and 16-20 gestational weeks and their marker values were log transformed into multiples of the gestation-specific medians (MoMs) for singletons and entered into a new logistic regression model with/without prior risk factors. RESULTS: The cohort included 9 PE (18 samples) and 96 unaffected cases (175 samples) twin pregnant women. The algorithm constructed of PlGF, PAPP-A, PP13, Doppler UTPI, and MAP with prior risk factors generated an area under the curve of 0...
November 11, 2016: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/27830929/fetal-surgery-for-myelomeningocele-a-review-of-current-clinical-practice-and-translational-research
#17
Sandra K Kabagambe, Yue J Chen, Diana L Farmer
INTRODUCTION: The Management of Myelomeningocele Study (MOMS) showed that prenatal repair of myelomeningocele (MMC) resulted in better neurological outcomes than postnatal closure but was, by necessity, associated with higher rates of obstetrical complications. Fetoscopic MMC repair has been explored as an alternative to reduce complications of the open approach used in MOMS. This review summarizes the trends in fetoscopic and open fetal repair of MMC. EVIDENCE ACQUISITION: We searched PubMed and Embase® for studies on fetal repair of MMC published since the completion of the MOMS trial...
November 10, 2016: Minerva Pediatrica
https://www.readbyqxmd.com/read/27829734/601-metal-on-metal-total-hip-replacements-with-36%C3%A2-mm-heads-a-5-minimum-year-follow-up-levels-of-armd-remain-low-despite-a-comprehensive-screening-program
#18
Amit Atrey, Alister Hart, Nasir Hussain, Jonathon Waite, Andrew J Shepherd, Steve Young
BACKGROUND: We conducted a retrospective study to assess the clinical outcome, failure rate, and reason for failure of a large consecutive series of 36 mm MoM Corail/Pinnacle total hip replacements (THRs). METHODS: Between 2006 and 2011, 601 consecutive 36 mm MoM THRs were performed (585 patients). Patients were followed according to the UK Medicines and Healthcare Products Regulatory Agency (MHRA) guidelines. All patients were accounted for and 469 patients (78%) were clinically and radiographically assessed...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/27829393/advice-given-by-community-members-to-pregnant-women-a-mixed-methods-study
#19
Bianca A Verma, Lauren P Nichols, Melissa A Plegue, Michelle H Moniz, Manisha Rai, Tammy Chang
BACKGROUND: Smoking and excess weight gain during pregnancy have been shown to have serious health consequences for both mothers and their infants. Advice from friends and family on these topics influences pregnant women's behaviors. The purpose of our study was to compare the advice that community members give pregnant women about smoking versus the advice they give about pregnancy weight gain. METHODS: A survey was sent via text messaging to adults in a diverse, low-income primary care clinic in 2015...
November 9, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27817993/patient-reported-outcomes-after-revision-of-metal-on-metal-total-bearings-in-total-hip-arthroplasty
#20
Ana Mata-Fink, Daniel J Philipson, Benjamin J Keeney, Dipak B Ramkumar, Wayne E Moschetti, Ivan M Tomek
BACKGROUND: Failure of metal-on-metal (MOM) total hip arthroplasty (THA) bearings is often accompanied by an aggressive local reaction associated with destruction of bone, muscle, and other soft tissues around the hip. Little is known about whether patient-reported physical and mental function following revision THA in MOM patients is compromised by this soft tissue damage, and whether revision of MOM THA is comparable with revision of hard-on-soft bearings such as metal-on-polyethylene (MOP)...
October 11, 2016: Journal of Arthroplasty
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