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https://www.readbyqxmd.com/read/28073075/freeform-extrusion-fabrication-of-titanium-fiber-reinforced-13-93-bioactive-glass-scaffolds
#1
Albin Thomas, Krishna C R Kolan, Ming C Leu, Gregory E Hilmas
Although implants made with bioactive glass have shown promising results for bone repair, their application in repairing load-bearing long bone is limited due to their poor mechanical properties in comparison to human bone. This work investigates the freeform extrusion fabrication of bioactive silicate 13-93 glass scaffolds reinforced with titanium (Ti) fibers. A composite paste prepared with 13-93 glass and Ti fibers (~16µm in diameter and lengths varying from ~200µm to ~2 mm) was extruded through a nozzle to fabricate scaffolds (0-90° filament orientation pattern) on a heated plate...
December 31, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28070699/in-situ-soil-cos-exchange-of-a-temperate-mountain-grassland-under-simulated-drought
#2
Florian Kitz, Katharina Gerdel, Albin Hammerle, Tamara Laterza, Felix M Spielmann, Georg Wohlfahrt
During recent years, carbonyl sulfide (COS), a trace gas with a similar diffusion pathway into leaves as carbon dioxide (CO2), but with no known "respiration-like" leaf source, has been discussed as a promising new approach for partitioning net ecosystem-scale CO2 fluxes into photosynthesis and respiration. The utility of COS for flux partitioning at the ecosystem scale critically depends on the understanding of non-leaf sources and sinks of COS. This study assessed the contribution of the soil to ecosystem-scale COS fluxes under simulated drought conditions at temperate grassland in the Central Alps...
January 9, 2017: Oecologia
https://www.readbyqxmd.com/read/28070301/blood-serum-retinol-levels-in-asinara-white-donkeys-reflect-albinism-induced-metabolic-adaptation-to-photoperiod-at-mediterranean-latitudes
#3
Maria Grazia Cappai, Maria Grazia Antonietta Lunesu, Francesca Accioni, Massimo Liscia, Mauro Pusceddu, Lucia Burrai, Maria Nieddu, Corrado Dimauro, Gianpiero Boatto, Walter Pinna
Previous works on albinism form of Asinara white donkeys (Equus asinus) identified the mutation leading to the peculiar phenotype spread to all specimens of the breed. Inbreeding naturally occurred under geographic isolation, on Asinara Island, in the Mediterranean Sea. Albino individuals can be more susceptible to develop health problems when exposed to natural sun radiation. Alternative metabolic pathways involved in photoprotection were explored in this trial. Nutrition-related metabolites are believed to contribute to the conservation of Asinara donkeys, in which melanin, guaranteeing photoprotection, is lacking...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28066093/on-the-energy-balance-closure-and-net-radiation-in-complex-terrain
#4
Georg Wohlfahrt, Albin Hammerle, Georg Niedrist, Katharina Scholz, Enrico Tomelleri, Peng Zhao
In complex, sloping terrain, horizontal measurements of net radiation are not reflective of the radiative energy available for the conductive and convective heat exchange of the underlying surface. Using data from a grassland site on a mountain slope characterised by spatial heterogeneity in inclination and aspect, we tested the hypothesis that a correction of the horizontal net radiation measurements which accounts for the individual footprint contributions of the various surfaces to the measured sensible and latent heat eddy covariance fluxes will yield more realistic slope-parallel net radiation estimates compared to a correction based on the average inclination and aspect of the footprint...
October 15, 2016: Agricultural and Forest Meteorology
https://www.readbyqxmd.com/read/28064005/three-dimensional-functional-human-neuronal-networks-in-uncompressed-low-density-electrospun-fiber-scaffolds
#5
Albin Jakobsson, Maximilian Ottosson, Marina Castro Zalis, David O'Carroll, Ulrica Englund Johansson, Fredrik Johansson
We demonstrate an artificial three-dimensional (3D) electrical active human neuronal network system, by the growth of brain neural progenitors in highly porous low density electrospun poly-ε-caprolactone (PCL) fiber scaffolds. In neuroscience research cell-based assays are important experimental instruments for studying neuronal function in health and disease. Traditional cell culture at 2D-surfaces induces abnormal cell-cell contacts and network formation. Hence, there is a tremendous need to explore in vivo-resembling 3D neural cell culture approaches...
January 4, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28062230/the-influence-of-offspring-parity-and-oxytocin-on-cognitive-flexibility-during-the-postpartum-period
#6
Christopher C Albin-Brooks, Connor A Nealer, Sara Sabihi, Achikam Haim, Benedetta Leuner
Pregnancy and the postpartum period are times of profound behavioral change including alterations in cognitive function. This has been most often studied using hippocampal-dependent tasks assessing spatial learning and memory. However, less is known about the cognitive effects of motherhood for tasks that rely on areas other than the hippocampus. We have previously shown that postpartum females perform better on the extradimensional phase of an attentional set shifting task, a measure of cognitive flexibility which is dependent on the medial prefrontal cortex (mPFC)...
January 3, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28060880/accelerated-wound-closure-differently-organized-nanofibers-affect-cell-migration-and-hence-the-closure-of-artificial-wounds-in-a-cell-based-in-vitro-model
#7
Maximilian Ottosson, Albin Jakobsson, Fredrik Johansson
Nanofiber meshes holds great promise in wound healing applications by mimicking the topography of extracellular matrix, hence providing guidance for crucial cells involved in the regenerative processes. Here we explored the influence of nanofiber alignment on fibroblast behavior in a novel in vitro wound model. The model included electrospun poly-ε-caprolactone scaffolds with different nanofiber orientation. Fibroblasts were cultured to confluency for 24h before custom-made inserts were removed, creating cell-free zones serving as artificial wounds...
2017: PloS One
https://www.readbyqxmd.com/read/28054161/the-relationship-of-nystagmus-waveform-on-the-vep-response-in-infantile-nystagmus-syndrome-a-small-case-series
#8
John P Kelly, James O Phillips, Avery H Weiss
PURPOSE: The relationship between eye movements and the visual evoked potential (VEP) response was examined in two subjects with infantile nystagmus syndrome (INS). Changes in VEP amplitude were compared between periods of foveation versus periods of high-frequency nystagmus. An analysis is proposed that improves extraction of the checkerboard reversal VEP signal from subjects with INS. METHODS: INS subjects were 2 healthy children (12-13 years old) with 20/40 or better corrected acuity...
January 5, 2017: Documenta Ophthalmologica. Advances in Ophthalmology
https://www.readbyqxmd.com/read/28050494/prosthetic-status-needs-and-oral-health-related-quality-of-life-ohrqol-in-the-elderly-population-of-aluva-india
#9
Albin Geo Joseph, Chandrashekar Janakiram, Anil Mathew
INTRODUCTION: Oral Health Related Quality of Life (OHRQOL), being a patient-centred outcome has profound association with the existing prosthetic status and needs. AIM: To assess the association between the prosthetic status and needs with OHRQOL in the elderly population of Aluva, Kochi, Kerala, India. MATERIALS AND METHODS: A cross-sectional study was conducted among the elderly residing in the municipal wards of Aluva municipality, Kochi, Kerala, India...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28045726/postoperative-hemiplegic-migraine-after-a-laparoscopic-cholecystectomy-a-case-report
#10
Joseph Happel, Albin S Quiko, Huy Phun, Martin Collier, Amy Mortensen
We report the case of a 35-year-old woman who developed severe right-sided hemiplegia and hemisensory loss shortly after emergence from general anesthesia for a laparoscopic cholecystectomy. Her medical history was significant for migraine with aura and a family history of transient hemiparesis thought to be a result of a transient ischemic attack. The patient's deficits slowly resolved, and she was ultimately diagnosed with familial hemiplegic migraine after a negative workup for cerebrovascular accidents.
December 30, 2016: A & A Case Reports
https://www.readbyqxmd.com/read/28038321/barriers-beliefs-and-practice-patterns-for-breast-cancer-reconstruction-a-provincial-survey
#11
Christopher J Coroneos, Karina Roth-Albin, Ajit S Rai, Amrit S Rai, Sophocles H Voineskos, Melissa C Brouwers, Ronen Avram, Barbara Heller
BACKGROUND: The purpose of this study was to characterize beliefs and practice patterns for breast cancer reconstruction among physicians who treat patients with breast cancer, in order to delineate current clinical practice. This survey was administered prior to Cancer Care Ontario guideline publication. METHOD: Survey questions addressed four domains: survival, delayed or obscured recurrence detection, delayed adjuvant therapy, and aesthetics. The survey was administered to 1160 Ontario plastic and general surgeons and radiation and medical oncologists...
December 27, 2016: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28025337/on-the-fly-selection-of-cell-specific-enhancers-genes-mirnas-and-proteins-across-the-human-body-using-slidebase
#12
Hans Ienasescu, Kang Li, Robin Andersson, Morana Vitezic, Sarah Rennie, Yun Chen, Kristoffer Vitting-Seerup, Emil Lagoni, Mette Boyd, Jette Bornholdt, Michiel J L de Hoon, Hideya Kawaji, Timo Lassmann, Yoshihide Hayashizaki, Alistair R R Forrest, Piero Carninci, Albin Sandelin
Genomics consortia have produced large datasets profiling the expression of genes, micro-RNAs, enhancers and more across human tissues or cells. There is a need for intuitive tools to select subsets of such data that is the most relevant for specific studies. To this end, we present SlideBase, a web tool which offers a new way of selecting genes, promoters, enhancers and microRNAs that are preferentially expressed/used in a specified set of cells/tissues, based on the use of interactive sliders. With the help of sliders, SlideBase enables users to define custom expression thresholds for individual cell types/tissues, producing sets of genes, enhancers etc...
2016: Database: the Journal of Biological Databases and Curation
https://www.readbyqxmd.com/read/28001481/vertical-finger-displacement-is-reduced-in-index-finger-tapping-during-repeated-bout-rate-enhancement
#13
Mark Holten Mora-Jensen, Pascal Madeleine, Ernst Albin Hansen
The present study tested 1) whether a recently reported phenomenon of repeated bout rate enhancement in finger tapping (i.e. a cumulating increase in freely chosen finger tapping frequency following submaximal muscle activation in form of externally unloaded voluntary tapping) could be replicated, and 2) the hypotheses that the faster tapping was accompanied by changed vertical displacement of the fingertip and by changed peak force during tapping. Right-handed, healthy, and recreationally active individuals (n=24) performed two 3-min index finger tapping bouts at freely chosen tapping frequency, separated by 10 min rest...
December 21, 2016: Motor Control
https://www.readbyqxmd.com/read/27957697/benefit-of-slit-and-scit-for-allergic-rhinitis-and-asthma
#14
REVIEW
Giovanni Passalacqua, Giorgio Walter Canonica, Diego Bagnasco
Allergen immunotherapy (AIT) has been in use since more than one century, when Leonard Noon experimentally proved its efficacy in hayfever (Noon, in Lancet 1:1572-3, 1911). Since then, AIT was administered only as subcutaneous injections (SCIT) until the sublingual route (SLIT) was proposed in 1986. The use of SLIT was proposed following several surveys from the USA and UK that repeatedly reported fatalities due to SCIT (Lockey et al. in J Allergy Clin Immunol 75(1): 166, 1985; Lockey et al. in J Allergy Clin Immunol 660-77, 1985; Committee on the safety of medicines...
November 2016: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/27936211/reliability-of-diagnosis-and-clinical-efficacy-of-cranial-osteopathy-a-systematic-review
#15
Albin Guillaud, Nelly Darbois, Richard Monvoisin, Nicolas Pinsault
CONTEXT: In 2010, the World Health Organization released benchmarks for training in osteopathy in which they considered cranial osteopathy as an important osteopathic skill. However, the evidence supporting the reliability of diagnosis and the efficacy of treatment in this field appears scientifically weak and inconsistent. OBJECTIVES: To identify and critically evaluate the scientific literature dealing with the reliability of diagnosis and the clinical efficacy of techniques and therapeutic strategies used in cranial osteopathy...
2016: PloS One
https://www.readbyqxmd.com/read/27934600/generation-of-human-embryonic-stem-cells-from-abnormal-blastocyst-diagnosed-with-albinism
#16
Yi Sun, Xiaoying Zhou, Jing Chen, Juan Du, Guangxiu Lu, Ge Lin, Qi Ouyang
Human embryonic stem cell (hESC) line chHES-478 was derived from abnormal blastocyst diagnosed with albinism after preimplantation genetic diagnosis (PGD) treatment. DNA sequencing analysis confirmed that chHES-478 cell line carried a compound heterozygous mutation, c.896G>A(p.Arg299His) and c.929_930insC(p.Pro310Glnfs*9), of TYR gene. Characteristic tests proved that the chHES-478 cell line presented typical markers of pluripotency and had the capability to form the three germ layers both in vitro and in vivo...
November 10, 2016: Stem Cell Research
https://www.readbyqxmd.com/read/27931534/advances-in-clinical-immunology-in-2015
#17
REVIEW
Javier Chinen, Luigi D Notarangelo, William T Shearer
Advances in clinical immunology in the past year included the report of practice parameters for the diagnosis and management of primary immunodeficiencies to guide the clinician in the approach to these relatively uncommon disorders. We have learned of new gene defects causing immunodeficiency and of new phenotypes expanding the spectrum of conditions caused by genetic mutations such as a specific regulator of telomere elongation (RTEL1) mutation causing isolated natural killer cell deficiency and mutations in ras-associated RAB (RAB27) resulting in immunodeficiency without albinism...
December 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27917594/a-novel-two-nucleotide-deletion-in-hps6-affects-mepacrine-uptake-and-platelet-dense-granule-secretion-in-a-family-with-hermansky-pudlak-syndrome
#18
Oliver Andres, Verena Wiegering, Eva-Maria König, Anna Lena Schneider, Daniela Semeniak, Simon Stritt, Eva Klopocki, Harald Schulze
BACKGROUND: Hermansky-Pudlak syndrome (HPS) is a rare autosomal recessive disease characterized by oculocutaneous albinism and platelet dysfunction. We report on a novel HPS6 homozygous frameshift variant (c.1919_1920delTC; p.Val640Glyfs*29) in a nonconsanguineous Caucasian family with two affected siblings (index patients) who presented with oculocutaneous albinism at birth and a mild bleeding phenotype during childhood and adolescence. PROCEDURE: Genetic analysis was conducted by panel-based next-generation sequencing (NGS) and Sanger sequencing...
December 4, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27911035/content-validity-of-the-credibility-and-expectancy-questionnaire-in-a-pain-rehabilitation-setting
#19
Vera-Christina Mertens, Albine Moser, Jeanine Verbunt, Rob Smeets, Mariëlle Goossens
BACKGROUND: Content validity, the proper reflection of the concept to be measured, is yet unknown for the Credibility and Expectancy Questionnaire (CEQ). It is frequently used in pain rehabilitation because treatment expectancy is influential on the outcome. OBJECTIVE: To test and improve the content validity of the CEQ in a sample of patients with chronic pain in different phases of their treatment. METHODS: A qualitative observational study design using the Three-Step Test-Interview method was used...
December 2, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27910137/amelanotic-naevoid-melanoma-in-a-16-month-old-albino-infant
#20
N Knöpfel, A Martín-Santiago, L J Del Pozo, C Saus, M Pascual, L Requena
Melanoma in individuals with oculocutaneous albinism has been reported in the literature to be rare compared with the more common occurrence of squamous cell carcinoma and basal cell carcinoma. We present a singular case of amelanotic naevoid melanoma arising from a small congenital naevus in a 16-month old albino boy, the youngest reported to date.
January 2017: Clinical and Experimental Dermatology
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