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https://www.readbyqxmd.com/read/29935405/a-phenomenological-research-study-perspectives-of-student-learning-through-small-group-work-between-undergraduate-nursing-students-and-educators
#1
Florence Mei Fung Wong
BACKGROUND: Small group work is an effective teaching-learning approach in nursing education to enhance students' learning in theoretical knowledge and skill development. Despite its potential advantageous effects on learning, little is known about its actual effects on students' learning from students' and educators' perspectives. OBJECTIVES: To understand students' learning through small group work from the perspectives of students and educators. DESIGN: A qualitative study with focus group interviews was carried out...
June 18, 2018: Nurse Education Today
https://www.readbyqxmd.com/read/29935300/a-dated-molecular-phylogeny-of-mite-harvestmen-arachnida-opiliones-cyphophthalmi-elucidates-ancient-diversification-dynamics-in-the-australian-wet-tropics
#2
Jill T Oberski, Prashant P Sharma, Katya R Jay, Michelle J Coblens, Kaelyn A Lemon, Joanne E Johnson, Sarah L Boyer
Austropurcellia, a genus of dispersal-limited arachnids endemic to isolated patches of coastal rainforest in Queensland, Australia, has a remarkable biogeographic history. The genus is a member of the family Pettalidae, which has a classical temperate Gondwanan distribution; previous work has suggested that Austropurcellia is an ancient lineage, with an origin that predates Gondwanan rifting. Subsequently, this lineage has persisted through major climatic fluctuations, such as major aridification during the Miocene and contraction and fragmentation of forest habitats during the Last Glacial Maximum (LGM)...
June 20, 2018: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/29935218/staphylococcus-aureus-impairs-sinonasal-epithelial-repair-effects-in-crswnp-and-control-subjects
#3
Fabiana Cp Valera, Manon Ruffin, Damien Adam, Émilie Maillé, Badr Ibrahim, Julie Berube, Simon Rousseau, Emmanuelle Brochiero, Martin Y Desrosiers
BACKGROUND: The impact of Staphylococcus aureus (SA) on nasal epithelial repair has never been assessed in chronic rhinosinusitis with nasal polyps (CRSwNP). OBJECTIVE: This study aimed to determine whether: i) nasal epithelial cell cultures from patients with CRSwNP and control subjects repair differently; ii) SA exoproducts compromise nasal epithelial repair; iii) SA alters lamellipodial dynamics; and iv) deleterious effects could be counteracted by the ROCK inhibitor Y-27632...
June 20, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29934986/cin-tcp-transcription-factors-transiting-cell-proliferation-in-plants
#4
REVIEW
Kavitha Sarvepalli, Utpal Nath
Leaves are the most conspicuous planar organs in plants, designed for efficient capture of sunlight and its conversion to energy that is channeled into sustaining the entire biosphere. How a few founder cells derived from the shoot apical meristem give rise to diverse leaf forms has interested naturalists and developmental biologists alike. At the heart of leaf morphogenesis lie two simple cellular processes, division and expansion, that are spatially and temporally segregated in a developing leaf. In leaves of dicot model species, cell division occurs predominantly at the base, concomitant with the expansion and differentiation of cells at the tip of the lamina that drives increase in leaf surface area...
June 22, 2018: IUBMB Life
https://www.readbyqxmd.com/read/29934841/perspective-next-generation-isotope-aided-methods-for-protein-nmr-spectroscopy
#5
Masatsune Kainosho, Yohei Miyanoiri, Tsutomu Terauchi, Mitsuhiro Takeda
In this perspective, we describe our efforts to innovate the current isotope-aided NMR methodology to investigate biologically important large proteins and protein complexes, for which only limited structural information could be obtained by conventional NMR approaches. At the present time, it is widely believed that only backbone amide and methyl signals are amenable for investigating such difficult targets. Therefore, our primary mission is to disseminate our novel knowledge within the biological NMR community; specifically, that any type of NMR signals other than methyl and amide groups can be obtained, even for quite large proteins, by optimizing the transverse relaxation properties by isotope labeling methods...
June 22, 2018: Journal of Biomolecular NMR
https://www.readbyqxmd.com/read/29934774/spinal-posture-changes-using-dynamic-rasterstereography-during-the-modified-matthiass-test-discriminate-between-postural-weak-and-strong-healthy-children-10-14-years-a-pilot-study
#6
Inke Marie Albertsen, Barbara Brockmann, Karsten Hollander, Jan Schröder, Astrid Zech, Susanne Sehner, Ralf Stücker, Kornelia Babin
The aim of this pilot study was to investigate whether the clinical Matthiass test can be objectified by means of dynamic rasterstereography in children. We aimed at discriminating between postural weak and strong children. Dynamic rasterstereography was used to capture sagittal spinal posture changes during the modified Matthiass test (mMT). Primary outcomes were spinal posture changes (trunk inclination, kyphotic and lordotic angles) during the test. Two-step cluster analysis was run jointly on the three primary outcomes...
June 23, 2018: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29934731/medicinal-plant-using-ground-state-stabilization-of-natural-antioxidant-curcumin-by-keto-enol-tautomerisation
#7
S Manimaran, K SambathKumar, R Gayathri, K Raja, N Rajkamal, M Venkatachalapathy, G Ravichandran, C Lourdu EdisonRaj
Curcumin is a medicinal agent that exhibits anti-cancer properties and bioactive pigment in Turmeric has a huge therapeutic value. It has a keto-enol moiety that gives rise to many of its chemical properties. A recent study has shown that keto-enol tautomerisation at this moiety is implicated the effect of curcumin. The tautomerisation of curcumin in methanol, acetone and acetonitrile are used in nuclear magnetic resonance (1 H, 13 C) spectroscopy. It was characterized using UV, IR and Raman spectral values...
June 22, 2018: Natural Products and Bioprospecting
https://www.readbyqxmd.com/read/29934285/patient-experiences-using-a-self-monitoring-app-in-eating-disorder-treatment-qualitative-study
#8
Pil Lindgreen, Kirsten Lomborg, Loa Clausen
BACKGROUND: The Recovery Record smartphone app is a self-monitoring tool for individuals recovering from an eating disorder. Unlike traditional pen-and-paper meal diaries, which are often used in eating disorder treatment, the app holds novel features, such as meal reminders, affirmations, and patient-clinician in-app linkage, the latter allowing for clinicians to continuously monitor patients' app data. OBJECTIVE: To explore patients' experiences with using Recovery Record as part of outpatient eating disorder treatment...
June 22, 2018: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29934187/structural-and-antigenic-properties-of-thermally-treated-gluten-proteins
#9
Nicoleta Stănciuc, Iuliana Banu, Carmen Bolea, Livia Patraşcu, Iuliana Aprodu
The present study is focused on heat-induced changes in the structure and antigenic properties of gluten proteins. The thermal dependent behavior of glutenins and gliadins was analyzed through intrinsic fluorescence parameters, phase diagram method, and quenching experiments using acrylamide and iodide. Unfolding events were registered in the phase diagram of glutenins up to 80°C, followed by partial refolding and aggregation at even higher temperatures. The gliadins structure appeared to be progressively disorganized with the temperature increase up to 100°C...
November 30, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29934096/biomechanical-comparison-of-three-different-fixation-techniques-for-anterior-column-posterior-hemitransverse-acetabular-fractures-using-anterior-intrapelvic-approach
#10
Oğuzhan Tanoğlu, Kadir Bahadır Alemdaroğlu, Serkan İltar, Ahmet Özmeriç, Teyfik Demir, Fatma Kübra Erbay
OBJECTIVES: The aim of this study was to biomechanically compare three different fixation methods for the fixation of anterior column posterior hemitransverse type acetabular fracture (ACPHT). METHODS: ACPHT fracture models were created on twenty-four foam cortical shell artificial hemipelvis models. Three fixation methods were assessed - Group 1: posterior column lag screws over a suprapectineal plate; Group 2: Posterior column lag screws over a suprapectineal plate and an infrapectineal plate; Group 3: A suprapectineal plate and a vertical infrapectineal plate...
June 18, 2018: Injury
https://www.readbyqxmd.com/read/29933758/advance-care-planning-in-dementia-recommendations-for-healthcare-professionals
#11
Ruth Piers, Gwenda Albers, Joni Gilissen, Jan De Lepeleire, Jan Steyaert, Wouter Van Mechelen, Els Steeman, Let Dillen, Paul Vanden Berghe, Lieve Van den Block
BACKGROUND: Advance care planning (ACP) is a continuous, dynamic process of reflection and dialogue between an individual, those close to them and their healthcare professionals, concerning the individual's preferences and values concerning future treatment and care, including end-of-life care. Despite universal recognition of the importance of ACP for people with dementia, who gradually lose their ability to make informed decisions themselves, ACP still only happens infrequently, and evidence-based recommendations on when and how to perform this complex process are lacking...
June 21, 2018: BMC Palliative Care
https://www.readbyqxmd.com/read/29933692/a-dual-responsive-self-assembled-monolayer-for-specific-capture-and-on-demand-release-of-live-cells
#12
Xia Gao, Qiang Li, Fengchao Wang, Xuehui Liu, Dingbin Liu
We report a dual-responsive self-assembled monolayer (SAM) on a well-defined rough gold substrate for dynamic capture and release of live cells. By incorporating 5'-triphosphate (ATP) aptamer into a SAM, we can accurately isolate specific cell types and subsequently release captured cells at either population or desired-group (or even single-cell) levels. On one hand, the whole SAMs can be disassembled through addition of ATP solution, leading to the entire release of the captured cells from the supported substrate...
June 22, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29933617/the-effects-of-quassinoid-rich-eurycoma-longifolia-extract-on-bone-turnover-and-histomorphometry-indices-in-the-androgen-deficient-osteoporosis-rat-model
#13
Putri Ayu Jayusman, Isa Naina Mohamed, Ekram Alias, Norazlina Mohamed, Ahmad Nazrun Shuid
Male osteoporosis is associated with higher rates of disability and mortality. Hence the search for suitable intervention and treatment to prevent the degeneration of skeletal health in men is necessary. Eurycoma longifolia (EL), a traditional plant with aphrodisiac potential may be used to treat and prevent male osteoporosis. The skeletal protective effect of quassinoid-rich EL extract, which has a high content of eurycomanone, has not been studied. This study aimed to determine whether EL could prevent skeletal deteriorations in gonadal hormone-deficient male rats...
June 21, 2018: Nutrients
https://www.readbyqxmd.com/read/29932753/plantar-pressure-distribution-in-patients-with-diabetic-peripheral-neuropathy-and-a-first-ray-amputation
#14
Iona Borg, Stephen Mizzi, Cynthia Formosa
BACKGROUND: Elevated dynamic plantar pressures are a consistent finding in diabetic patients with peripheral neuropathy, with implications for plantar foot ulceration. This study aimed to investigate whether a first-ray amputation affects plantar pressures and plantar pressure distribution patterns in individuals living with diabetes and peripheral neuropathy. METHODS: A nonexperimental matched-subject design was conducted. Twenty patients living with diabetes and peripheral neuropathy were recruited...
May 2018: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/29932684/black-hole-scrambling-from-hydrodynamics
#15
Sašo Grozdanov, Koenraad Schalm, Vincenzo Scopelliti
We argue that the gravitational shock wave computation used to extract the scrambling rate in strongly coupled quantum theories with a holographic dual is directly related to probing the system's hydrodynamic sound modes. The information recovered from the shock wave can be reconstructed in terms of purely diffusionlike, linearized gravitational waves at the horizon of a single-sided black hole with specific regularity-enforced imaginary values of frequency and momentum. In two-derivative bulk theories, this horizon "diffusion" can be related to late-time momentum diffusion via a simple relation, which ceases to hold in higher-derivative theories...
June 8, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29932289/do-cacti-form-soil-seed-banks-an-evaluation-using-species-from-the-southern-central-andes
#16
Lucía Lindow-López, Guadalupe Galíndez, Silvia Sühring, Valeria Pastrana-Ignes, Pablo Gorostiague, Angela Gutiérrez, Pablo Ortega-Baes
There is controversy over whether cactus species form soil seed banks. Although it is commonly assumed that cacti do not form seed banks, very few studies have evaluated them. In this work, we analyzed whether cactus species form soil seed banks, studying seed distribution, seed density and seed longevity in the Southern Central Andes. Soil samples were collected in two microhabitats (under nurse plants and in bare areas) at 12 selected sites. We determined seed presence-absence, density and distribution for 32 native cactus species...
June 22, 2018: Plant Biology
https://www.readbyqxmd.com/read/29932249/protein-phenotype-diagnosis-of-autosomal-dominant-calmodulin-mutations-causing-irregular-heart-rhythms
#17
Noor A Shaik, Zuhier A Awan, Prashant K Verma, Ramu Elango, Babajan Banaganapalli
The life-threatening group of irregular cardiac rhythmic disorders also known as Cardiac Arrhythmias (CA) are caused by mutations in highly conserved Calmodulin (CALM/CaM) genes. Herein, we present a multidimensional approach to diagnose changes in phenotypic, stability, and Ca2+ ion binding properties of CA-causing mutations. Mutation pathogenicity was determined by diverse computational machine learning approaches. We further modeled the mutations in 3D protein structure and analyzed residue level phenotype plasticity...
June 22, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29931970/collagen-structure-function-relationships-from-solid-state-nmr-spectroscopy
#18
Ieva Goldberga, Rui Li, Melinda J Duer
The extracellular matrix of a tissue is as important to life as the cells within it. Its detailed molecular structure defines the environment of a tissue's cells and thus their properties, including differentiation and metabolic status. Collagen proteins are the major component of extracellular matrices. Self-assembled collagen fibrils provide both specific mechanical properties to handle external stresses on tissues and, at the molecular level, well-defined protein binding sites to interact with cells. How the cell-matrix interactions are maintained against the stresses on the tissue is an important and as yet unanswered question...
June 22, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29931712/the-prevalence-of-dynamic-pharyngeal-collapse-is-high-in-brachycephalic-dogs-undergoing-videofluoroscopy
#19
Rachel E Pollard, Lynelle R Johnson, Stanley L Marks
The aim of this retrospective study was to determine the frequency of pharyngeal collapse in a large group of brachycephalic dogs undergoing videofluoroscopic assessment of swallowing or airway diameter. We hypothesized that brachycephalic dogs would have pharyngeal collapse more frequently than dolichocephalic or mesocephalic dogs with or without airway collapse. The medical records database was searched for brachycephalic dogs undergoing videofluoroscopy of swallowing or airway diameter between January 1, 2006 and December 31, 2015...
June 21, 2018: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/29931578/metabolomics-for-industrial-fermentation
#20
Kyeong Rok Choi, Won Jun Kim, Sang Yup Lee
Metabolomics is essential to understand the metabolism and identify engineering targets to improve the performances of strains and bioprocesses. Although numerous metabolomics techniques have been developed and applied to various organisms, the metabolome of Saccharopolyspora erythraea, a native producer of erythromycin, had never been studied. The 2017 best paper of Bioprocess and Biosystems Engineering reports examination of three methods for quenching and extraction to analyze the intracellular metabolome of S...
July 2018: Bioprocess and Biosystems Engineering
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