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https://www.readbyqxmd.com/read/29347758/turbulent-diffusion-of-chemically-reacting-flows-theory-and-numerical-simulations
#1
T Elperin, N Kleeorin, M Liberman, A N Lipatnikov, I Rogachevskii, R Yu
The theory of turbulent diffusion of chemically reacting gaseous admixtures developed previously [T. Elperin et al., Phys. Rev. E 90, 053001 (2014)PLEEE81539-375510.1103/PhysRevE.90.053001] is generalized for large yet finite Reynolds numbers and the dependence of turbulent diffusion coefficient on two parameters, the Reynolds number and Damköhler number (which characterizes a ratio of turbulent and reaction time scales), is obtained. Three-dimensional direct numerical simulations (DNSs) of a finite-thickness reaction wave for the first-order chemical reactions propagating in forced, homogeneous, isotropic, and incompressible turbulence are performed to validate the theoretically predicted effect of chemical reactions on turbulent diffusion...
November 2017: Physical Review. E
https://www.readbyqxmd.com/read/29329727/parent-activation-in-the-pediatric-emergency-department-theory-vs-reality
#2
Danica B Liberman, Phung K Pham
OBJECTIVE: To measure parent activation and test for its associations with sociodemographics, clinical factors, and short-term outcomes. METHODS: By convenience sampling, 246 parents of children treated in an emergency department (ED) of a children's hospital completed the Parent-Patient Activation Measure (P-PAM) and answered sociodemographic questions. Clinical information was abstracted from medical records. Phone calls to parents and primary care physician offices were conducted within one-month post-ED visit for information about short-term outcomes...
January 8, 2018: Patient Education and Counseling
https://www.readbyqxmd.com/read/29327439/the-hidden-concealed-left-sided-accessory-pathway-an-uncommon-cause-of-svt-in-young-people
#3
Robert H Pass, Leonardo Liberman, Eric S Silver, Christopher M Janson, Andrew D Blaufox, Lynn Nappo, Scott R Ceresnak
BACKGROUND: Concealed left sided accessory pathways (CLAP) are a cause of SVT in the young. Most are mapped with RV apical/outflow pacing. Rarely, alternative means of mapping are required. We review our experience from 3 pediatric EP centers with a rare form of "hidden" CLAP. METHODS: All patients < 21 years undergoing EP study from 2008-2014 with a "hidden" CLAP (defined as an accessory pathway (AP) for which RV pacing at CL's stable for mapping did not demonstrate eccentric retrograde conduction) were included...
January 12, 2018: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29322634/structure-property-relations-in-carbon-nanotube-fibers-by-downscaling-solution-processing
#4
Robert J Headrick, Dmitri E Tsentalovich, Julián Berdegué, Elie Amram Bengio, Lucy Liberman, Olga Kleinerman, Matthew S Lucas, Yeshayahu Talmon, Matteo Pasquali
At the microscopic scale, carbon nanotubes (CNTs) combine impressive tensile strength and electrical conductivity; however, their macroscopic counterparts have not met expectations. The reasons are variously attributed to inherent CNT sample properties (diameter and helicity polydispersity, high defect density, insufficient length) and manufacturing shortcomings (inadequate ordering and packing), which can lead to poor transmission of stress and current. To efficiently investigate the disparity between microscopic and macroscopic properties, a new method is introduced for processing microgram quantities of CNTs into highly oriented and well-packed fibers...
January 11, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29314345/differentiation-between-vasogenic-edema-and-infiltrative-tumor-in-patients-with-high-grade-gliomas-using-texture-patch-based-analysis
#5
Moran Artzi, Gilad Liberman, Deborah T Blumenthal, Orna Aizenstein, Felix Bokstein, Dafna Ben Bashat
BACKGROUND: High-grade gliomas (HGGs) induce both vasogenic edema and extensive infiltration of tumor cells, both of which present with similar appearance on conventional MRI. Using current radiological criteria, differentiation between these tumoral and nontumoral areas within the nonenhancing lesion area remains challenging. PURPOSE: To use radiomics patch-based analysis, based on conventional MRI, for the classification of the nonenhancing lesion area in patients with HGG into tumoral and nontumoral components...
January 3, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29285770/feeling-out-a-link-between-feeling-and-infant-sociomoral-evaluation
#6
Conor M Steckler, Zoe Liberman, Julia W Van de Vondervoort, Janine Slevinsky, Doan T Le, J Kiley Hamlin
Recent research has shown that infants selectively approach prosocial versus antisocial characters, suggesting that foundations of sociomoral development may be present early in life. Despite this, to date, the mental processes involved in infants' prosocial preferences are poorly understood. To explore a possible role of emotions in early social evaluations, the current studies examined whether four samples of infants and toddlers express different emotional reactions after observing prosocial (giving) versus antisocial (taking) events...
December 28, 2017: British Journal of Developmental Psychology
https://www.readbyqxmd.com/read/29279178/radiologic-discrepancies-in-children-with-special-healthcare-needs-in-a-pediatric-emergency-department
#7
Ara Festekjian, Karen Y Kwan, Todd P Chang, Hollie Lai, Margil Fahit, Danica B Liberman
BACKGROUND: After-hours radiologic interpretation by nonradiology attendings or resident radiologists introduces the risk of discrepancies. Clinical outcomes following radiologic discrepancies among pediatric emergency department (ED) patients are poorly described. In particular, children with special healthcare needs (CSHCN), have more opportunities for discrepancies and potential consequences than non- CSHCN. Our objective was to determine the rates and types of radiologic discrepancies, and to compare CSHCN to non-CSHCN...
December 21, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29261576/diagnostic-accuracy-of-mediastinal-lymph-node-staging-techniques-in-the-preoperative-assessment-of-nonsmall-cell-lung-cancer-patients
#8
Benoît Fréchet, Jordan Kazakov, Vicky Thiffault, Pasquale Ferraro, Moishe Liberman
BACKGROUND: Nonsmall cell lung cancer (NSCLC) treatment is based on an accurate staging. Mediastinal lymph nodes staging has a critical impact on treatment management. METHODS: The objective was to assess the current accuracy of preoperative tools for predicting mediastinal and hilar lymph nodes staging with NSCLC. Retrospective analysis of 997 biopsy-proven NSCLC patients treated at a single academic medical center between January 2006 and April 2012. Mediastinal lymph nodes were evaluated with preoperatively with: computed tomography (CT), positron emission tomography (PET), endobronchial ultrasound-guided fine needle aspiration, and endoscopic ultrasound-guided fine needle aspiration (EUS-FNA)...
January 2018: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/29258297/treatment-of-autosomal-dominant-hearing-loss-by-in-vivo-delivery-of-genome-editing-agents
#9
Xue Gao, Yong Tao, Veronica Lamas, Mingqian Huang, Wei-Hsi Yeh, Bifeng Pan, Yu-Juan Hu, Johnny H Hu, David B Thompson, Yilai Shu, Yamin Li, Hongyang Wang, Shiming Yang, Qiaobing Xu, Daniel B Polley, M Charles Liberman, Wei-Jia Kong, Jeffrey R Holt, Zheng-Yi Chen, David R Liu
Although genetic factors contribute to almost half of all cases of deafness, treatment options for genetic deafness are limited. We developed a genome-editing approach to target a dominantly inherited form of genetic deafness. Here we show that cationic lipid-mediated in vivo delivery of Cas9-guide RNA complexes can ameliorate hearing loss in a mouse model of human genetic deafness. We designed and validated, both in vitro and in primary fibroblasts, genome editing agents that preferentially disrupt the dominant deafness-associated allele in the Tmc1 (transmembrane channel-like gene family 1) Beethoven (Bth) mouse model, even though the mutant Tmc1Bth allele differs from the wild-type allele at only a single base pair...
December 20, 2017: Nature
https://www.readbyqxmd.com/read/29222395/extracellular-adenosine-stimulates-vacuolar-atpase-dependent-proton-secretion-in-medullary-intercalated-cells
#10
Maria A Battistone, Anil V Nair, Claire R Barton, Rachel N Liberman, Maria A Peralta, Diane E Capen, Dennis Brown, Sylvie Breton
Acidosis is an important complication of AKI and CKD. Renal intercalated cells (ICs) express the proton pumping vacuolar H+-ATPase (V-ATPase) and are extensively involved in acid-base homeostasis. H+ secretion in type A intercalated cells (A-ICs) is regulated by apical vesicle recycling and stimulated by cAMP. In other cell types, cAMP is increased by extracellular agonists, including adenosine, through purinergic receptors. Adenosine is a Food and Drug Administration-approved drug, but very little is known about the effect of adenosine on IC function...
December 8, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29189861/-study-and-management-of-thyroid-nodes-by-non-specialist-physicians-soched-consensus
#11
Hernán Tala, René E Díaz, José Miguel Domínguez Ruiz-Tagle, Jorge Sapunar Zenteno, Pedro Pineda, Patricia Arroyo Albala, Marcela Barberán, Patricio Cabané, Francisco Cruz Olivos, Patricio Gac E, Andrea Glasinovic Pizarro, Hernán E González, Francisca Grob, Maria Soledad Hidalgo Valle, Rodrigo Jaimovich, Alejandra Lanas, Claudio Liberman, Maite Lobo Guiñez, Arturo Madrid
The thyroid nodule is a frequent cause of primary care consultation. The prevalence of a palpable thyroid nodule is approximately 4-7%, increasing up to 67% by the incidental detection of nodules on ultrasound. The vast majority are benign and asymptomatic, staying stable over time. The clinical importance of studying a thyroid nodule is to exclude thyroid cancer, which occurs in 5 to 10% of the nodules. The Board of SOCHED (Chilean Society of Endocrinology and Diabetes) asked the Thyroid Study Group to develop a consensus regarding the diagnostic management of the thyroid nodule in Chile, aimed at non-specialist physicians and adapted to the national reality...
August 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/29166359/incisional-hernia-after-midline-versus-transverse-specimen-extraction-incision-a-randomized-trial-in-patients-undergoing-laparoscopic-colectomy
#12
Lawrence Lee, Juan Mata, Raoul A Droeser, Pepa Kaneva, Sender Liberman, Patrick Charlebois, Barry Stein, Gerald M Fried, Liane S Feldman
OBJECTIVE: To compare the incidence of incisional hernia (IH) between midline and transverse specimen extraction site in patients undergoing laparoscopic colectomy. BACKGROUND: Midline specimen extraction incision is most commonly used in laparoscopic colectomy, but has high IH risk. IH may be lower for transverse incision. METHODS: A single-center superiority trial was conducted. Eligible patients undergoing laparoscopic colectomy were randomly assigned to midline or transverse specimen extraction...
November 21, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/29157742/phase-1-trial-evaluating-safety-of-pulmonary-artery-sealing-with-ultrasonic-energy-in-vats-lobectomy
#13
Eric Goudie, Ricardo L Oliveira, Vicky Thiffault, Adeline Jouquan, Edwin Lafontaine, Pasquale Ferraro, Moishe Liberman
BACKGROUND: Energy-sealing devices may be useful to divide small pulmonary arteries (PAs) during video-assisted thoracoscopic surgery (VATS) lobectomy. We evaluated the safety of PA branch sealing with an ultrasonic energy vessel-sealing device during VATS lobectomy. METHODS: The study consisted of a phase 1 trial. Patients planned to undergo VATS lobectomy were prospectively enrolled. Target sample size was 20 patients. Branches of 7 mm or less were sealed and cut with an ultrasonic energy vessel-sealing device...
January 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29155636/hepatic-imaging-in-neonates-and-young-infants-state-of-the-art
#14
REVIEW
Stephanie B Shamir, Jessica Kurian, Debora Kogan-Liberman, Benjamin H Taragin
Neonatal liver disease is an important source of morbidity in the pediatric population. The manifestation of liver disease in young infants may be different than in older patients, and there are a number of diagnoses that are unique to this age group. Familiarity with these entities is important as imaging plays a key role in the diagnostic workup, and prompt diagnosis is necessary to prevent complications. This article reviews the spectrum of liver pathologies that can manifest in the first 6 months of life and is intended to educate the general radiologist who may be faced with interpretation of neonatal liver imaging...
December 2017: Radiology
https://www.readbyqxmd.com/read/29152924/population-based-birth-defects-data-in-the-united-states-2010-2014-a-focus-on-gastrointestinal-defects
#15
Philip J Lupo, Jennifer L Isenburg, Jason L Salemi, Cara T Mai, Rebecca F Liberman, Mark A Canfield, Glenn Copeland, Sarah Haight, Sanjiv Harpavat, Adrienne T Hoyt, Cynthia A Moore, Wendy N Nembhard, Hoang N Nguyen, Rachel E Rutkowski, Amy Steele, C J Alverson, Erin B Stallings, Russell S Kirby
BACKGROUND: Gastrointestinal defects are a phenotypically and etiologically diverse group of malformations. Despite their combined prevalence and clinical impact, little is known about the epidemiology of these birth defects. Therefore, the objective of the 2017 National Birth Defects Prevention Network (NBDPN) data brief was to better describe the occurrence of gastrointestinal defects. METHODS: As part of the 2017 NBDPN annual report, 28 state programs provided additional data on gastrointestinal defects for the period 2010-2014...
November 1, 2017: Birth Defects Research
https://www.readbyqxmd.com/read/29134828/book-review-comunicaci%C3%A3-n-en-sesi%C3%A3-n-acerca-de-los-aportes-de-david-liberman-al-psicoan%C3%A3-lisis-communication-in-session-david-liberman-s-contributions-to-psychoanalysis-comunicaci%C3%A3-n-en-sesi%C3%A3-n-acerca-de-los-aportes-de-david-liberman-al-psicoan%C3%A3-lisis-communication
#16
https://www.readbyqxmd.com/read/29117478/design-synthesis-and-self-assembly-of-polymers-with-tailored-graft-distributions
#17
Alice B Chang, Tzu-Pin Lin, Niklas B Thompson, Shao-Xiong Luo, Allegra Lauren Liberman-Martin, Hsiang-Yun Chen, Byeongdu Lee, Robert H Grubbs
Grafting density and graft distribution impact the chain dimensions and physical properties of polymers. However, achieving precise control over these structural parameters presents long-standing synthetic challenges. In this report, we introduce a versatile strategy to synthesize polymers with tailored architectures via grafting-through ring-opening metathesis polymerization (ROMP). One-pot copolymerization of an ω-norbornenyl macromonomer and a discrete norbornenyl co-monomer (diluent) provides opportunities to control the backbone sequence and therefore the side chain distribution...
November 8, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29107887/the-early-social-significance-of-shared-ritual-actions
#18
Zoe Liberman, Katherine D Kinzler, Amanda L Woodward
Many rituals are socially stipulated such that engaging in a group's rituals can fundamentally signal membership in that group. Here, we asked whether infants infer information about people's social affiliation based on whether those people perform the same ritualistic action versus different actions. We presented 16-month-old infants with two people who used the same object to achieve the same goal: turning on a light. In a first study, the actions that the actors used to turn on the light had key properties of ritual: they were not causally necessary to reach the overall goal, and there were no features of the situation that required doing the particular actions...
November 3, 2017: Cognition
https://www.readbyqxmd.com/read/29101302/disability-sex-rights-and-the-scope-of-sexual-exclusion
#19
Alida Liberman
In response to three papers about sex and disability published in this journal, I offer a critique of existing arguments and a suggestion about how the debate should be reframed going forward. Jacob M. Appel argues that disabled individuals have a right to sex and should receive a special exemption to the general prohibition of prostitution. Ezio Di Nucci and Frej Klem Thomsen separately argue contra Appel that an appeal to sex rights cannot justify such an exemption. I argue that Appel's argument fails, but not (solely) for the reasons Di Nucci and Thomsen propose, as they have missed the most pressing objection to Appel's argument: Appel falsely presumes that we never have good reasons to restrict someone's sexual liberty rights...
November 3, 2017: Journal of Medical Ethics
https://www.readbyqxmd.com/read/29100769/arthroscopic-debridement-for-primary-degenerative-osteoarthritis-of-the-elbow-leads-to-significant-improvement-in-range-of-motion-and-clinical-outcomes-a-systematic-review
#20
REVIEW
Kyle R Sochacki, Robert A Jack, Takashi Hirase, Patrick C McCulloch, David M Lintner, Shari R Liberman, Joshua D Harris
PURPOSE: The purpose of this investigation was to determine whether arthroscopic debridement of primary elbow osteoarthritis results in statistically significant and clinically relevant improvement in (1) elbow range of motion and (2) clinical outcomes with (3) low complication and reoperation rates. METHODS: A systematic review was registered with PROSPERO and performed using PRISMA guidelines. Databases were searched for studies that investigated the outcomes of arthroscopic debridement for the treatment of primary osteoarthritis of the elbow in adult human patients...
October 31, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
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