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https://www.readbyqxmd.com/read/29198897/the-idle-central-venous-catheter-in-the-nicu-when-should-it-be-removed
#1
Cristen N Litz, Jordan G Tropf, Paul D Danielson, Nicole M Chandler
PURPOSE: There is debate regarding the optimal timing of central line removal in the neonatal intensive care unit (NICU). The purpose was to evaluate outcomes of idle peripherally inserted central catheters (PICCs) and tunneled central venous catheters (TCVCs) and determine the incidence of line-related infections and replacements. METHODS: Patients in the NICU with T-CVCs placed between 11/2008 and 8/2015 (n=134) or PICCs placed between 7/2013 and 10/2015 (n=467) were included...
November 9, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29187099/in-memoriam-gordon-k-danielson-1931-2017
#2
Joseph A Dearani
No abstract text is available yet for this article.
November 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29148740/effect-of-an-imposed-contact-on-secondary-structure-in-the-denatured-state-of-yeast-iso-1-cytochome-c
#3
Travis A Danielson, Jessica M Stine, Tanveer A Dar, Klara Briknarova, Bruce E Bowler
There is considerable evidence that long-range interactions stabilize residual protein structure under denaturing conditions. However, evaluation of the effect of a specific contact on structure in the denatured state has been difficult. Iso-1-cytochrome c variants with a Lys54-->His mutation form a particularly stable His-heme loop in the denatured state, suggestive of loop-induced residual structure. We have used multidimensional NMR methods to assign (1)H and (15)N backbone amide and (13)C backbone and side chain chemical shifts in the denatured state of iso-1-cytochrome c carrying the Lys54-->His mutation in 3 and 6 M guanidine hydrochloride and at both pH 6...
November 17, 2017: Biochemistry
https://www.readbyqxmd.com/read/29137712/hydrophilic-interaction-liquid-chromatography-of-hydroxy-aromatic-carboxylic-acid-positional-isomers
#4
Ashley E Richardson, Neil D Danielson
Hydrophilic interaction liquid chromatography (HILIC) has become increasingly popular as an alternative to reversed phase LC due to its ease of separating complex polar compound mixtures and the compatibility of the mobile phase with mass spectrometry (MS). Using a plain silica column (150  mm × 4.6  mm), we have shown a mixture containing three hydroxybenzoic acid isomers plus syringic and vanillic acid and three hydroxycinnamic acid isomers plus ferulic and sinapic acid can be separated using a mobile phase comprised of 90% acetonitrile (MeCN) and 10% 20 mM ammonium acetate at pH 6 in under 45 min...
December 15, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29136471/below-room-temperature-c-h-bond-breaking-on-an-inexpensive-metal-oxide-methanol-to-formaldehyde-on-ceo2-111
#5
Jonathan E Sutton, Thomas Danielson, Ariana Beste, Aditya Savara
Upgrading of primary alcohols by C-H bond breaking currently requires temperatures of >200 °C. In this work, new understanding from simulation of a temperature-programmed reaction study with methanol over a CeO2(111) surface shows C-H bond breaking and the subsequent desorption of formaldehyde, even below room temperature. This is of particular interest because CeO2 is a naturally abundant and inexpensive metal oxide. We combine density functional theory and kinetic Monte Carlo methods to show that the low-temperature C-H bond breaking occurs via disproportionation of adjacent methoxy species...
November 15, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/29132817/a-national-description-of-treatment-among-united-states-children-and-adolescents-with-attention-deficit-hyperactivity-disorder
#6
Melissa L Danielson, Susanna N Visser, Andrea Chronis-Tuscano, George J DuPaul
OBJECTIVE: To characterize lifetime and current rates of attention-deficit/hyperactivity disorder (ADHD) treatments among US children and adolescents with current ADHD and describe the association of these treatments with demographic and clinical factors. STUDY DESIGN: Data are from the 2014 National Survey of the Diagnosis and Treatment of ADHD and Tourette Syndrome, a follow-back survey of parents from the 2011-2012 National Survey of Children's Health. Weighted analyses focused on receipt of ADHD treatment among children aged 4-17 years with current ADHD (n = 2495) by 4 treatment types: medication, school supports, psychosocial interventions, and alternative treatments...
November 10, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29132420/substance-p-and-patterned-silk-biomaterial-stimulate-periodontal-ligament-stem-cells-to-form-corneal-stroma-in-a-bioengineered-three-dimensional-model
#7
Jialin Chen, Wei Zhang, Peyman Kelk, Ludvig J Backman, Patrik Danielson
BACKGROUND: We aimed to generate a bioengineered multi-lamellar human corneal stroma tissue in vitro by differentiating periodontal ligament stem cells (PDLSCs) towards keratocytes on an aligned silk membrane. METHODS: Human PDLSCs were isolated and identified. The neuropeptide substance P (SP) was added in keratocyte differentiation medium (KDM) to evaluate its effect on keratocyte differentiation of PDLSCs. PDLSCs were then seeded on patterned silk membrane and cultured with KDM and SP...
November 13, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29094008/total-joint-replacement-in-inhibitor-positive-haemophilia-long-term-outcome-analysis-in-fifteen-patients
#8
Heidi Danielson, Riitta Lassila, Pekka Ylinen, Timo Yrjönen
AIM: To collect data from joint replacement in inhibitor patients, evaluate haemostatic and patient outcomes, and analyse the costs. METHODS: We report our 21-year, single-centre cumulative experience of 15 joint arthroplasties in six inhibitor patients. RESULTS: Two low responder inhibitor patients were in the early days treated with FVIII, whereas bypassing agents were used in the rest of the high responder patients. The primary haemostatic outcome was good in 8/15, fair in 4/15 and poor in 3/15 operations...
October 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/29044593/patterns-of-chondrification-and-ossification-in-the-skull-of-graptemys-pseudogeographica-the-false-map-turtle-emydidae
#9
Sharon C Danielson, Christopher A Sheil
Patterns of ossification and chondrification are well-described for several species of turtles, but details of the chondrocranial anatomy are known for only a handful of species. Cleared and double-stained embryos of Graptemys pseudogeographica were used to examine the fully formed chondrocranium and the formation, chondrification, and ossification of the cranium. The chondrocranium of G. pseudogeographica possesses an unusually large, irregularly shaped foramen epiphaniale that is joined with the fenestra olfactoria...
October 17, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28970650/the-organization-and-reorganization-of-audiovisual-speech-perception-in-the-first-year-of-life
#10
D Kyle Danielson, Alison G Bruderer, Padmapriya Kandhadai, Eric Vatikiotis-Bateson, Janet F Werker
The period between six and 12 months is a sensitive period for language learning during which infants undergo auditory perceptual attunement, and recent results indicate that this sensitive period may exist across sensory modalities. We tested infants at three stages of perceptual attunement (six, nine, and 11 months) to determine 1) whether they were sensitive to the congruence between heard and seen speech stimuli in an unfamiliar language, and 2) whether familiarization with congruent audiovisual speech could boost subsequent non-native auditory discrimination...
April 2017: Cognitive Development
https://www.readbyqxmd.com/read/28970620/a-systematic-review-of-assessment-tools-measuring-interprofessional-education-outcomes-relevant-to-pharmacy-education
#11
REVIEW
Sarah Shrader, Michelle Z Farland, Jennifer Danielson, Brigitte Sicat, Elena M Umland
Objective. To identify and describe the available quantitative tools that assess interprofessional education (IPE) relevant to pharmacy education. Methods. A systematic approach was used to identify quantitative IPE assessment tools relevant to pharmacy education. The search strategy included the National Center for Interprofessional Practice and Education Resource Exchange (Nexus) website, a systematic search of the literature, and a manual search of journals deemed likely to include relevant tools. Results...
August 2017: American Journal of Pharmaceutical Education
https://www.readbyqxmd.com/read/28949225/vibrational-feshbach-resonances-mediated-by-nondipole-positron-molecule-interactions
#12
M R Natisin, J R Danielson, G F Gribakin, A R Swann, C M Surko
Measurements of energy-resolved positron-molecule annihilation show the existence of positron binding and vibrational Feshbach resonances. The existing theory describes this phenomenon successfully for the case of infrared-active vibrational modes that allow dipole coupling between the incident positron and the vibrational motion. Presented here are measurements of positron-molecule annihilation made using a recently developed cryogenic positron beam capable of significantly improved energy resolution. The results provide evidence of resonances associated with infrared-inactive vibrational modes, indicating that positron-molecule bound states may be populated by nondipole interactions...
September 15, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28910445/corneal-epithelium-derived-neurotrophic-factors-promote-nerve-regeneration
#13
Guohu Di, Xia Qi, Xiaowen Zhao, Songmei Zhang, Patrik Danielson, Qingjun Zhou
Purpose: To explore the neurotrophic factor expression in corneal epithelium and evaluate their effects on the trigeminal ganglion (TG) neurite outgrowth and corneal nerve regeneration in mice. Methods: The expression of neurotrophic factors was compared among the intact, regenerating, and regenerated mouse corneal epithelium. Mouse primary TG neurons were treated with the conditioned medium of mouse corneal epithelial cells. Nerve growth factor (NGF) neutralizing antibody and glial cell-derived neurotrophic factor (GDNF) neutralizing antibody were used to evaluate their roles in mouse corneal nerve regeneration and TG neurite outgrowth...
September 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28902066/latent-class-analysis-of-adhd-neurodevelopmental-and-mental-health-comorbidities
#14
Benjamin Zablotsky, Matthew D Bramlett, Susanna N Visser, Melissa L Danielson, Stephen J Blumberg
OBJECTIVE: Many children diagnosed with attention-deficit/hyperactivity disorder (ADHD) experience co-occurring neurodevelopmental and psychiatric disorders, and those who do often exhibit higher levels of impairment than children with ADHD alone. This study provides a latent class analysis (LCA) approach to categorizing children with ADHD into comorbidity groups, evaluating condition expression and treatment patterns in each group. METHODS: Parent-reported data from a large probability-based national sample of children diagnosed with ADHD (2014 National Survey of the Diagnosis and Treatment of ADHD and Tourette Syndrome) were used for an LCA to identify groups of children with similar groupings of neurodevelopmental and psychiatric comorbidities among children with current ADHD (n = 2495)...
September 8, 2017: Journal of Developmental and Behavioral Pediatrics: JDBP
https://www.readbyqxmd.com/read/28886577/what-s-the-harm-alcohol-and-marijuana-use-and-perceived-risks-of-unprotected-sex-among-adolescents-and-young-adults
#15
Allyson L Dir, Amanda K Gilmore, Angela D Moreland, Tatiana M Davidson, April L Borkman, Alyssa A Rheingold, Carla Kmett Danielson
The link between substance use and risky sexual behavior, particularly unprotected sex, among adolescents and young adults has been well established in the literature; however, less is known regarding how different patterns and types of substance use differentially relate to unprotected sex and perceived risks of unprotected sex. The current study examined perceived risks and unprotected sex among adolescents and young adults, and examined whether marijuana use, alcohol use, and dual marijuana and alcohol use were differentially linked to unprotected sex and perceived risks of unprotected sex...
January 2018: Addictive Behaviors
https://www.readbyqxmd.com/read/28869582/impaired-hippocampal-place-cell-dynamics-in-a-mouse-model-of-the-22q11-2-deletion
#16
Jeffrey D Zaremba, Anastasia Diamantopoulou, Nathan B Danielson, Andres D Grosmark, Patrick W Kaifosh, John C Bowler, Zhenrui Liao, Fraser T Sparks, Joseph A Gogos, Attila Losonczy
Hippocampal place cells represent the cellular substrate of episodic memory. Place cell ensembles reorganize to support learning but must also maintain stable representations to facilitate memory recall. Despite extensive research, the learning-related role of place cell dynamics in health and disease remains elusive. Using chronic two-photon Ca(2+) imaging in hippocampal area CA1 of wild-type and Df(16)A(+/-) mice, an animal model of 22q11.2 deletion syndrome, one of the most common genetic risk factors for cognitive dysfunction and schizophrenia, we found that goal-oriented learning in wild-type mice was supported by stable spatial maps and robust remapping of place fields toward the goal location...
November 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28852843/enhancing-recovery-after-minimally-invasive-repair-of-pectus-excavatum
#17
Cristen N Litz, Sandra M Farach, Allison M Fernandez, Richard Elliott, Jenny Dolan, Will Nelson, Nebbie E Walford, Christopher Snyder, Jeffrey P Jacobs, Ernest K Amankwah, Paul D Danielson, Nicole M Chandler
PURPOSE: There are variations in the perioperative management of patients who undergo minimally invasive repair of pectus excavatum (MIRPE). The purpose is to analyze the change in resource utilization after implementation of a standardized practice plan and describe an enhanced recovery pathway. METHODS: A standardized practice plan was implemented in 2013. A retrospective review of patients who underwent MIRPE from 2012 to 2015 was performed to evaluate the trends in resource utilization...
October 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28834285/mirna-signatures-of-insulin-resistance-in-obesity
#18
Angela Jones, Kirsty M Danielson, Miles C Benton, Olivia Ziegler, Ravi Shah, Richard S Stubbs, Saumya Das, Donia Macartney-Coxson
OBJECTIVE: Extracellular microRNAs (miRNAs) represent functional biomarkers for obesity and related disorders; this study investigated plasma miRNAs in insulin resistance phenotypes in obesity. METHODS: One hundred seventy-five miRNAs were analyzed in females with obesity (insulin sensitivity, n = 11; insulin resistance, n = 19; type 2 diabetes, n = 15) and without obesity (n = 12). Correlations between miRNA level and clinical parameters and levels of 15 miRNAs in a murine obesity model were investigated...
October 2017: Obesity
https://www.readbyqxmd.com/read/28834157/fins-into-limbs-recent-insights-from-sarcopterygian-fish
#19
REVIEW
Danielson B Amaral, Igor Schneider
Limbs with digits evolved as sarcopterygian fish transitioned to a terrestrial life, giving rise to modern tetrapods. Since the Devonian, most of the sarcopterygian fish diversity became extinct, with the only surviving representatives being two coelacanth and six lungfish species. As the sister group of tetrapods, sarcopterygian fish constitute the ideal models to address questions regarding the transition of vertebrates from water to land. However, distantly-related yet experimentally-amenable teleost fish species have instead become the organisms of choice for geneticists and developmental biologists...
August 19, 2017: Genesis: the Journal of Genetics and Development
https://www.readbyqxmd.com/read/28813772/pilot-study-to-determine-safety-and-efficacy-of-paclitaxel-infusion-in-de-novo-peripheral-lesions-using-the-atrium-clearway-balloon
#20
Joseph Anderson, Laura Danielson, Jodan Anderson, Katie Pohlson, Tyler Remund, Chad Laurich, Greg Schultz, Angelo Santos, Gopinath Mani, Patrick Kelly, Andrea Shermann
OBJECTIVE: To evaluate the safety and efficacy of a one-time infusion of paclitaxel through an Atrium ClearWay balloon in infra inguinal de novo peripheral lesions. METHODS: This is a single-center prospective study looking at treatment of 50 limbs. Treatment includes standard infra inguinal endovascular revascularization followed by a pre-prescribed infusion of paclitaxel. Control is standard reintervention without subsequent paclitaxel infusion. Patients were followed at one, four, and 10 months with ankle-brachial index (ABI)s, arterial duplex of the treated limb, and Rutherford classification stage measured before and after procedures and at each follow-up...
March 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
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