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https://www.readbyqxmd.com/read/29120169/characterizing-defects-in-a-uio-azb-metal-organic-framework
#1
Charity C Epley, Madeline D Love, Amanda J Morris
Exploring defect sites in metal-organic framework materials has quickly become an interesting topic of discussion in the literature. With reports of the enhancement of material properties with increasing defect sites, we were interested in probing the defect nature of UiO-AZB (UiO = University of Oslo, AZB = 4,4'-azobenzenedicarboxylate) nanoparticles. In this report, we investigate the use of acetic, formic, and benzoic acids as the modulators to prepare UiO-AZB. The results of (1)H NMR techniques and BET surface area analysis elucidate the extent of defects in our samples and are provided along with detailed discussions of the observed experimental trends...
November 9, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/29094928/proton-coupled-electron-transport-in-anthraquinone-based-zirconium-metal-organic-frameworks
#2
Paula J Celis-Salazar, Charity C Epley, Spencer R Ahrenholtz, William A Maza, Pavel M Usov, Amanda J Morris
The ditopic ligands 2,6-dicarboxy-9,10-anthraquinone and 1,4-dicarboxy-9,10-anthraquinone were used to synthesize two new UiO-type metal-organic frameworks (MOFs; namely, 2,6-Zr-AQ-MOF and 1,4-Zr-AQ-MOF, respectively). The Pourbaix diagrams (E vs pH) of the MOFs and their ligands were constructed using cyclic voltammetry in aqueous buffered media. The MOFs exhibit chemical stability and undergo diverse electrochemical processes, where the number of electrons and protons transferred was tailored in a Nernstian manner by the pH of the media...
November 2, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/29068763/the-humanizing-voice-speech-reveals-and-text-conceals-a-more-thoughtful-mind-in-the-midst-of-disagreement
#3
Juliana Schroeder, Michael Kardas, Nicholas Epley
A person's speech communicates his or her thoughts and feelings. We predicted that beyond conveying the contents of a person's mind, a person's speech also conveys mental capacity, such that hearing a person explain his or her beliefs makes the person seem more mentally capable-and therefore seem to possess more uniquely human mental traits-than reading the same content. We expected this effect to emerge when people are perceived as relatively mindless, such as when they disagree with the evaluator's own beliefs...
October 1, 2017: Psychological Science
https://www.readbyqxmd.com/read/29060643/analysis-of-one-repetition-during-biceps-curl-exercise-among-age-matched-adult-volunteers-using-endurance-curl-speed-and-surface-electromyography-signals
#4
Kiran Marri, Diptasree Maitra Ghosh, Ramakrishnan Swaminathan
Exercises under isometric and dynamic contractions are influenced by the rate coding and recruitment strategies. The study of muscle strength under dynamic contraction is normally performed using one-repetition maximum (1-RM) method. There are several variants of deriving one repetition method using number of repetitions and load that are useful in physical fitness and clinical rehabilitation program. However, the factors of dynamic contractions such as endurance time, speed of muscle contractions and muscle activity are not considered in 1-RM methods...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28965618/efficacy-of-particle-repositioning-manoeuvres-in-benign-positional-paroxysmal-vertigo-a-revision-of-176-cases-treated-in-a-tertiary-care-centre
#5
Claudio Carnevale, Diego J Arancibia-Tagle, Elena Rizzo-Riera, Guillermo Til-Perez, Pedro L Sarría-Echegaray, Julio J Rama-Lopez, Santiago Quer-Canut, German Fermin-Gamero, Manuel D Tomas-Barberan
INTRODUCTION AND OBJECTIVES: Benign paroxysmal positional vertigo is the most common peripheral vertigo disease. The aim of this paper is to review the results obtained with the different specific particle repositioning manoeuvres, evaluating the possible risk factors linked to a poorer prognosis. METHODS: One hundred and seventy-six patients with a diagnosis of benign paroxysmal positional vertigo were reviewed retrospectively, of whom 150 had vertigo of the posterior canal, 20 had vertigo of the horizontal canal, 3 had vertigo of the superior canal, and 3 had a double vertigo...
September 28, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28903714/less-evil-than-you-bounded-self-righteousness-in-character-inferences-emotional-reactions-and-behavioral-extremes
#6
Nadav Klein, Nicholas Epley
Recent research suggests that self-righteousness is bounded, arising more reliably in evaluations of immoral actions than in evaluations of moral actions. Here, we test four implications of this asymmetry in self-righteousness and the mechanism explaining it. We find that people are less likely to make negative character inferences from their own unethical behavior than from others' unethical behavior (Experiment 1), believe they would feel worse after an unethical action than others (Experiment 2), and believe they are less capable of extreme unethical behavior than others (Experiment 3)...
August 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28903680/exaggerating-accessible-differences-when-gender-stereotypes-overestimate-actual-group-differences
#7
Tal Eyal, Nicholas Epley
Stereotypes are often presumed to exaggerate group differences, but empirical evidence is mixed. We suggest exaggeration is moderated by the accessibility of specific stereotype content. In particular, because the most accessible stereotype contents are attributes perceived to differ between groups, those attributes are most likely to exaggerate actual group differences due to regression to the mean. We tested this hypothesis using a highly accessible gender stereotype: that women are more socially sensitive than men...
September 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28891872/vertigo-in-vestibular-schwannoma-patients-due-to-other-pathologies
#8
Ronald Sahyouni, Omid Moshtaghi, Yarah M Haidar, Hossein Mahboubi, Afsheen Moshtaghi, Harrison W Lin, Hamid R Djalilian
OBJECTIVE: To report findings from a cohort of vestibular schwannoma (VS) patients presenting with vertigo from a secondary comorbid vestibular disorder; and to discuss management strategies for this subset of patients presenting with both episodic vertigo and VS. PATIENTS: All VS patients who presented with vertigo as the primary symptom from 2012 to 2015 and endorsing no other major complaints were examined. INTERVENTION: Treatment with migraine lifestyle and prophylactic therapy, or Epley maneuver...
December 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28856170/factors-influencing-patient-selection-of-an-orthopaedic-sports-medicine-physician
#9
Blaine T Manning, Daniel D Bohl, Bryan M Saltzman, Eric J Cotter, Kevin C Wang, Chad T Epley, Nikhil N Verma, Brian J Cole, Bernard R Bach
BACKGROUND: The rise in consumer-centric health insurance plans has increased the importance of the patient in choosing a provider. There is a paucity of studies that examine how patients select an orthopaedic sports medicine physician. PURPOSE: To evaluate factors that patients consider when choosing an orthopaedic sports medicine physician. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: A total of 1077 patients who sought treatment by 3 sports medicine physicians were administered an anonymous questionnaire...
August 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28755307/switch-to-semont-maneuver-is-no-better-than-repetition-of-epley-maneuver-in-treating-refractory-bppv
#10
Sun-Young Oh, Ji-Soo Kim, Kwang-Dong Choi, Ji-Yun Park, S-H Jeong, Seung-Han Lee, Hak-Seung Lee, Tae-Ho Yang, H-J Kim
The objectives of this study is to compare the efficacy between repetition of Epley maneuver and switch to alternate Semont maneuver in treating posterior canal benign paroxysmal positional vertigo (PC-BPPV) that does not respond to the initial Epley maneuver. In the nationwide, seven dizziness clinics of Korea, 506 consecutive patients (303 women, age range 22-87, mean age ± SD = 64 ± 12, median = 61) with idiopathic PC-BPPV were initially treated with a single Epley maneuver. Of those, 144 (28.5%) patients, who did not respond to the therapy, were randomized to the repetition of Epley maneuver (n = 70) or switch to Semont maneuver (n = 74)...
September 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28739612/benign-paroxysmal-positional-vertigo-bppv-diagnosis-and-treatment-in-an-elite-professional-football-soccer-player
#11
Lisa Burrows, Rob Price
A 33-year-old male professional football player suffered from acute-onset dizziness following a lower limb soft tissue treatment in prone lying. Symptoms included spinning vertigo lasting for 30's, headache, visual vertigo and disorientation. Clinical examination of balance and vestibular systems confirmed a left posterior canalithiasis benign paroxysmal positional vertigo (BPPV) and excluded other central and peripheral causes of dizziness. Two cycles of a left Epley manoeuvre were performed. An Epley manoeuvre abolished the BPPV and negated the need for medication...
July 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28725982/analysis-of-risk-factors-influencing-the-outcome-of-the-epley-maneuver
#12
E Domínguez-Durán, E Domènech-Vadillo, M G Álvarez-Morujo de Sande, R González-Aguado, G Guerra-Jiménez, Á Ramos-Macías, C Morales-Angulo, A J Martín-Mateos, E Figuerola-Massana, H Galera-Ruiz
Benign paroxysmal positional vertigo (BPPV) is the most frequent type of vertigo. The treatment of canalithiasis of the posterior semicircular canal consists in performing a particle-repositioning maneuver, such as the Epley maneuver (EM). However, the EM is not effective in all cases. The objective of this study is to identify risk factors, which predict the EM failure, among the clinical variables recorded in anamnesis and patient examination. This is an observational prospective multicentric study. All patients presenting with BPPV were recruited and applied the EM and appointed for a follow-up visit 7 days later...
July 19, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28723599/management-of-benign-paroxysmal-positional-vertigo-a-comparative-study-between-epleys-manouvre-and-betahistine
#13
Japneet Kaur, Karthik Shamanna
Benign paroxysmal positional vertigo (BPPV) is the most common peripheral vestibular disorder, accounting for 20% of all vertigo cases. Idiopathic BPPV is most common between the ages of 50 and 70, although the condition is found in all age groups. This study was conducted in our institute on 90 patients who presented to the outpatient department with history of vertigo and were diagnosed with BPPV via a positive Dix Hallpike test. Patients were randomnly placed in three groups of 30 each. Patients in Group A were treated with Epleys manoeuvre alone, in Group B were treated with Epleys Manouvre followed by oral Betahistine and patients in Group C were treated with Betahistine alone...
June 1, 2017: International Tinnitus Journal
https://www.readbyqxmd.com/read/28655524/25-oh-d3-levels-incidence-and-recurrence-of-different-clinical-forms-of-bppv
#14
Sinisa Maslovara, Silva Butkovic Soldo, Anamarija Sestak, Katarina Milinkovic, Jasna Rogic-Namacinski, Anamarija Soldo
INTRODUCTION: Benign Paroxysmal Positional Vertigo (BPPV) is the most common cause of dizziness in the general population. It is a condition with potential impact of reduced levels of vitamin D on its recurrent attacks. OBJECTIVES: The aim of this study was to measure the serum levels of 25-hydroxyvitamin D3 (25-OH D3) in patients with BPPV and determine whether there is a difference in the serum levels of vitamin D3 between patients with and without recurrence, as well as between the different clinical forms of BPPV...
June 11, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28595257/are-cervical-collars-a-necessary-postprocedure-restriction-in-patients-with-benign-paroxysmal-positional-vertigo-treated-with-particle-repositioning-maneuvers
#15
Kirsten E Stewart, Darren M Whelan, Anirvan Banerjee
INTRODUCTION: Benign paroxysmal positional vertigo (BPPV) is managed with particle repositioning maneuvers (PRM), following which patients are advised of activity restrictions to prevent recurrence. This can include wearing a cervical collar. OBJECTIVE: Does the use of BPPV postprocedure restriction with a cervical collar impact on the number of PRMs required to resolve a patient's symptoms? METHOD: Combination of retrospective and prospective review of 624 patients treated in a tertiary UK hospital...
July 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28557510/endorsing-help-for-others-that-you-oppose-for-yourself-mind-perception-alters-the-perceived-effectiveness-of-paternalism
#16
Juliana Schroeder, Adam Waytz, Nicholas Epley
How people choose to help each other can be just as important as how much people help. Help can come through relatively paternalistic or agentic aid. Paternalistic aid, such as banning certain foods to encourage weight loss or donating food to alleviate poverty, restricts recipients' choices compared with agentic aid, such as providing calorie counts or donating cash. Nine experiments demonstrate that how people choose to help depends partly on their beliefs about the recipient's mental capacities. People perceive paternalistic aid to be more effective for those who seem less mentally capable (Experiments 1 and 2), and people therefore give more paternalistically when others are described as relatively incompetent (Experiment 3)...
May 29, 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/28490756/expressing-acetylcholine-receptors-after-innervation-suppresses-spontaneous-vesicle-release-and-causes-muscle-fatigue
#17
Meghan Mott, Victor M Luna, Jee-Young Park, Gerald B Downes, Kimberly Epley, Fumihito Ono
The formation and function of synapses are tightly orchestrated by the precise timing of expression of specific molecules during development. In this study, we determined how manipulating the timing of expression of postsynaptic acetylcholine receptors (AChRs) impacts presynaptic release by establishing a genetically engineered zebrafish line in which we can freely control the timing of AChR expression in an AChR-less fish background. With the delayed induction of AChR expression after an extensive period of AChR-less development, paralyzed fish displayed a remarkable level of recovery, exhibiting a robust escape response following developmental delay...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28406380/inferring-perspective-versus-getting-perspective-underestimating-the-value-of-being-in-another-person-s-shoes
#18
Haotian Zhou, Elizabeth A Majka, Nicholas Epley
People use at least two strategies to solve the challenge of understanding another person's mind: inferring that person's perspective by reading his or her behavior (theorization) and getting that person's perspective by experiencing his or her situation (simulation). The five experiments reported here demonstrate a strong tendency for people to underestimate the value of simulation. Predictors estimated a stranger's emotional reactions toward 50 pictures. They could either infer the stranger's perspective by reading his or her facial expressions or simulate the stranger's perspective by watching the pictures he or she viewed...
April 2017: Psychological Science
https://www.readbyqxmd.com/read/28353341/study-of-electrocatalytic-properties-of-metal-organic-framework-pcn-223-for-the-oxygen-reduction-reaction
#19
Pavel M Usov, Brittany Huffman, Charity C Epley, Matthew C Kessinger, Jie Zhu, William A Maza, Amanda J Morris
A highly robust metal-organic framework (MOF) constructed from Zr6 oxo clusters and Fe(III) porphyrin linkers, PCN-223-Fe was investigated as a heterogeneous catalyst for oxygen reduction reaction (ORR). Films of the framework were grown on a conductive FTO substrate and showed a high catalytic current upon application of cathodic potentials and achieved high H2O/H2O2 selectivity. In addition, the effect of the proton source on the catalytic performance was also investigated.
October 4, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28277043/use-of-canalith-repositioning-manoeuvres-and-vestibular-rehabilitation-a-gp-survey
#20
Vincent A van Vugt, Patria M Diaz Nerio, Johannes C van der Wouden, Henriëtte E van der Horst, Otto R Maarsingh
OBJECTIVE: To investigate the use of canalith repositioning manoeuvres and vestibular rehabilitation (VR) by GPs and to assess reasons for not using these techniques in patients with vertigo. DESIGN: Online survey. SETTING: GPs in the western and central part of the Netherlands. SUBJECTS AND METHOD: Of GPs, 1169 were approached to participate in the survey. A sample of 426 GPs filled out the questionnaire (36.4% response rate)...
March 2017: Scandinavian Journal of Primary Health Care
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