Read by QxMD icon Read

Transition to the work environment

Zibiao Li, Swee Liang Wong
Recent research has revealed a gamut of interesting properties present in layered two-dimensional (2D) transition metal dichalcogenides (TMDCs) such as photoluminescence, comparatively high electron mobility, flexibility, mechanical strength and relatively low toxicity. The large surface to area ratio inherent in these materials also allows easy functionalization and maximal interaction with the external environment. Due to its unique physical and chemical properties, much work has been done in tailoring TMDCs through chemical functionalization for use in a diverse range of biomedical applications as biosensors, drug delivery carriers or even as therapeutic agents...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
Chiara Giverso, Pasquale Ciarletta
Multicellular tumour spheroids (MCTSs) are extensively used as in vitro system models for investigating the avascular growth phase of solid tumours. In this work, we propose a continuous growth model of heterogeneous MCTSs within a porous material, taking into account a diffusing nutrient from the surrounding material directing both the proliferation rate and the mobility of tumour cells. At the time scale of interest, the MCTS behaves as an incompressible viscous fluid expanding inside a porous medium. The cell motion and proliferation rate are modelled using a non-convective chemotactic mass flux, driving the cell expansion in the direction of the external nutrients' source...
October 2016: European Physical Journal. E, Soft Matter
Diane Chamberlain, Allison Williams, David Stanley, Peter Mellor, Wendy Cross, Lesley Siegloff
BACKGROUND: Nursing students will graduate into stressful workplace environments and resilience is an essential acquired ability for surviving the workplace. Few studies have explored the relationship between resilience and the degree of innate dispositional mindfulness, compassion, compassion fatigue and burnout in nursing students, including those who find themselves in the position of needing to work in addition to their academic responsibilities. AIM: This paper investigates the predictors of resilience, including dispositional mindfulness and employment status of third year nursing students from three Australian universities...
October 2016: Nurs Open
George Larcos, Mirela Prgomet, Andrew Georgiou, Johanna Westbrook
BACKGROUND: Errors by nuclear medicine technologists during the preparation of radiopharmaceuticals or at other times can cause patient harm and may reflect the impact of interruptions, busy work environments and deficient systems or processes. We aimed to: (a) characterise the rate and nature of interruptions technologists experience and (b) identify strategies that support safety. METHODS: We performed 100 hours of observation of 11 technologists at a major public hospital and measured the proportions of time spent in eight categories of work tasks, location of task, interruption rate and type and multitasking (tasks conducted in parallel)...
October 5, 2016: BMJ Quality & Safety
Eilish King, Theresa Okodogbe, Eilish Burke, Mary McCarron, Philip McCallion, Mary Ann O'Donovan
BACKGROUND: As adults with intellectual disability (ID) in Ireland move to the community from residential settings, the changed environment is intended to increase opportunities for occupational engagement, autonomy and social relationships. It is important to consider how increased resources and opportunities available within the community can be optimized to promote engagement and quality of life. AIMS: This paper investigates if and how ADL and IADL performance of people ageing with ID is related to place of residence...
October 5, 2016: Scandinavian Journal of Occupational Therapy
Shay Hacohen-Gourgy, Leigh S Martin, Emmanuel Flurin, Vinay V Ramasesh, K Birgitta Whaley, Irfan Siddiqi
In quantum mechanics, measurements cause wavefunction collapse that yields precise outcomes, whereas for non-commuting observables such as position and momentum Heisenberg's uncertainty principle limits the intrinsic precision of a state. Although theoretical work has demonstrated that it should be possible to perform simultaneous non-commuting measurements and has revealed the limits on measurement outcomes, only recently has the dynamics of the quantum state been discussed. To realize this unexplored regime, we simultaneously apply two continuous quantum non-demolition probes of non-commuting observables to a superconducting qubit...
October 5, 2016: Nature
Amit Pathak
Epithelial-to-mesenchymal transition (EMT) enables scattering of cell clusters and disseminates motile cells to distant locations in vivo during embryonic development and cancer metastasis. Both stiffness and topography of the extracellular matrix (ECM) have been shown to influence EMT. In this work, we examine how the integrity of epithelial cell clusters is regulated by subcellular forces, protrusions, and adhesions for varying ECM inputs, such as stiffness, topography, and dimensionality. Our model simulates multicell networks of defined sizes and shapes in ECMs of varied stiffness and geometry...
October 4, 2016: Biophysical Journal
David P Martin, Jennifer M Seiter, Brandon J Lafferty, Anthony J Bednar
The mobility and fate of inorganic oxyanions in the environment can be greatly influenced by interactions with natural organic matter (NOM). There is increasing evidence that this interaction between two anionic species is facilitated by cationic bridges, but detailed mechanistic studies into this system are challenging due to the heterogeneous nature of NOM. This work examines the ability of cations (Fe(III), Cr(III), Al(III), or Ga(III)) to form ternary complexes with Suwannee River humic acid (SRHA) and the oxyanions of As (As(III) and As(V)) and Se (Se(IV) and Se(VI))...
January 2017: Chemosphere
Julia Petty
BACKGROUND: Storytelling is an increasingly well recognised and valued platform to learn about the human experience within healthcare. Little is known however about how stories can enhance understanding in neonatal care, a specialised field offering rich opportunities for learning. This study focuses on the creation of stories based on the experiences of student nurses to inform teaching and learning strategies in the neonatal field. OBJECTIVES: The study aimed to create stories from the narratives of student nurses working within the neonatal field and identify what key themes for learning emerged in order to develop a storytelling resource to share experiences with their peers...
September 25, 2016: Nurse Education Today
Kevin Felipe Cruz Martho, Amanda Teixeira de Melo, Juliana Possato Fernandes Takahashi, Juliana Mariotti Guerra, Dayane Cristina da Silva Santos, Sônia Ueda Purisco, Márcia de Souza Carvalho Melhem, Raquel Dos Anjos Fazioli, Clerlune Phanord, Patrícia Sartorelli, Marcelo A Vallim, Renata C Pascon
Fungal opportunistic pathogens colonize various environments, from plants and wood to human and animal tissue. Regarding human pathogens, one great challenge during contrasting niche occupation is the adaptation to different conditions, such as temperature, osmolarity, salinity, pressure, oxidative stress and nutritional availability, which may constitute sources of stress that need to be tolerated and overcome. As an opportunistic pathogen, C. neoformans faces exactly these situations during the transition from the environment to the human host, encountering nutritional constraints...
2016: PloS One
Steven R H Beach, Gene H Brody, Allen W Barton, Robert A Philibert
In the current manuscript, we provide an overview of a research program at the University of Georgia's Center for Family Research designed to expand upon rapid and ongoing developments in the fields of genetics and epigenetics. By placing those developments in the context of translational research on family and community determinants of health and well-being among rural African Americans, we hope to identify novel, modifiable environments and biological processes. In the first section of the article, we review our earlier work on genotypic variation effects on the association between family context and mental and physical health outcomes as well as differential responses to family-based intervention...
October 3, 2016: Development and Psychopathology
Sara Ahola Kohut, Jennifer Stinson, Paula Forgeron, Margaret van Wyk, Lauren Harris, Stephanie Luca
This article endeavored to determine the topics of discussion during open-ended peer mentoring between adolescents and young adults living with chronic illness. This study occurred alongside a study of the iPeer2Peer Program. Fifty-two calls (7 mentor-mentee pairings) were audio recorded, transcribed verbatim, and analyzed using inductive coding with an additional 30 calls (21 mentor-mentee pairings) coded to ensure representativeness of the data. Three categories emerged: (1) illness impact (e.g., relationships, school/work, self-identity, personal stories), (2) self-management (e...
September 28, 2016: Journal of Health Psychology
Anthony F Morse, Angelo Cangelosi
Most theories of learning would predict a gradual acquisition and refinement of skills as learning progresses, and while some highlight exponential growth, this fails to explain why natural cognitive development typically progresses in stages. Models that do span multiple developmental stages typically have parameters to "switch" between stages. We argue that by taking an embodied view, the interaction between learning mechanisms, the resulting behavior of the agent, and the opportunities for learning that the environment provides can account for the stage-wise development of cognitive abilities...
September 28, 2016: Cognitive Science
Et-Touhami Es-Sebbar, Fethi Khaled, Ahmed Elwardany, Aamir Farooq
Allene (H2C═C═CH2; a-C3H4) and propyne (CH3C≡CH; p-C3H4) are important species in various chemical environments. In combustion processes, the reactions of hydroxyl radicals with a-C3H4 and p-C3H4 are critical in the overall fuel oxidation system. In this work, rate coefficients of OH radicals with allene (OH + H2C═C═CH2 → products) and propyne (OH + CH3C≡CH → products) were measured behind reflected shock waves over the temperature range of 843-1352 K and pressures near 1.5 atm. Hydroxyl radicals were generated by rapid thermal decomposition of tert-butyl hydroperoxide ((CH3)3-CO-OH), and monitored by narrow line width laser absorption of the well-characterized R1(5) electronic transition of the OH A-X (0,0) electronic system near 306...
October 7, 2016: Journal of Physical Chemistry. A
Adam Lustig, Michael Ogden, Robert W Brenner, Jerry Penso, Kimberly D Westrich, Robert W Dubois
BACKGROUND: In 2013, it was reported that about 1 of every 3 U.S. adults has hypertension. Of these 70 million individuals, approximately 50% have their blood pressure under control. Achieving hypertension control, especially in at-risk populations, requires a multipronged approach that includes lifestyle modifications and pharmacological treatment. As provider groups, hospital systems, and integrated delivery networks optimize their care processes to promote population health activities in support of the accountable care organization (ACO) model of care, managing hypertension and other chronic diseases will be essential to their success...
October 2016: Journal of Managed Care & Specialty Pharmacy
Sophie Geoghegan, Kate Oulton, Catherine Bull, Joe Brierley, Mark Peters, Jo Wray
OBJECTIVE: Meeting the needs of parents of critically ill children is increasingly being recognized as an important factor in the child's clinical outcome as well as the implications it has for future parenting. Little is specifically known about the experience of parents who have a child in the ICU for a prolonged period. Our objective was to understand the experiences of this group to assist in the identification of mechanisms for providing support. DESIGN: Qualitative study based on semistructured interviews...
September 19, 2016: Pediatric Critical Care Medicine
Sandeep Verma, Sunil Aute, Amitava Das, Hirendra N Ghosh
A proton-coupled electron transfer (PCET) reaction in a hydrogen-bonded charge-transfer (CT) complex of 4-([2,2'-bipyridin]-4-yl)phenol (bpy-phenol) with a F(-) ion has been investigated by ultrafast time-resolved transient absorption spectroscopy. The phenolic receptor molecule, bpy-phenol, binds to the F(-) ion through a hydrogen bond and senses the F(-) ion via the Stokes-shifted CT band. Upon photoexcitation, CT from the phenol residue to the bpy residue promotes proton transfer from the phenol radical cation (ArOH(•+)) to the fluoride ion at ultrafast time scales of <150 fs (instrument response function limited) and 3 ps, separately...
October 5, 2016: Journal of Physical Chemistry. B
Modupeola A Sowole, Sarah Simpson, Yulia V Skovpen, David R J Palmer, Lars Konermann
Dihydrodipicolinate synthase is a tetrameric enzyme of the diaminopimelate pathway in bacteria and plants. The protein catalyzes the condensation of pyruvate (Pyr) and aspartate semialdehyde en route to the end product lysine (Lys). Dihydrodipicolinate synthase from Campylobacter jejuni (CjDHDPS) is allosterically inhibited by Lys. CjDHDPS is a promising antibiotic target, as highlighted by the recent development of a potent bis-lysine (bisLys) inhibitor. The mechanism whereby Lys and bisLys allosterically inhibit CjDHDPS remains poorly understood...
September 27, 2016: Biochemistry
Elizabeth B Froh, Diane L Spatz
BACKGROUND: The Surgeon General's Call to Action to Support Breastfeeding details the need for comprehensive employer lactation support programs. Our institution has an extensive employee lactation program, and our breastfeeding initiation and continuation rates are statistically significantly higher than state and national data, with more than 20% of our employees breastfeeding for more than 1 year. OBJECTIVE: The objective of this research was complete secondary data analysis of qualitative data collected as part of a larger study on breastfeeding outcomes...
September 6, 2016: Journal of Human Lactation: Official Journal of International Lactation Consultant Association
Pedro V Guimarães, Pedro S Pereira, Lauro J Calliari, Jean T Ellis
The backshore zone is transitional environment strongly affected by ocean, air and sand movements. On dissipative beaches, the formation of ephemeral dunes over the backshore zone plays significant contribution in the beach morphodynamics and sediment budget. The aim of this work is to describe a novel method to identify ephemeral dunes in the backshore region and to discuss their morphodynamic behavior. The beach morphology is identified using Argus video imagery, which reveals the behavior of morphologies at Cassino Beach, Rio Grande do Sul, Brasil...
September 2016: Anais da Academia Brasileira de Ciências
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"