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Seth Force

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https://www.readbyqxmd.com/read/29035526/interplay-among-sequence-folding-propensity-and-bio-piezoelectric-response-in-short-peptides-and-peptoids
#1
Christopher W Marvin, Haley M Grimm, Nathaniel C Miller, W Seth Horne, Geoffrey R Hutchison
Many biomaterials are piezoelectric (i.e., mechanically deform under an applied electric field); however, the molecular origin of this phenomenon remains unclear. In the case of protein-based scaffolds, one possibility involves flexible response of local folding motifs to the applied field. Here, we test this hypothesis by examining piezo response in a series of helical peptide-based oligomers. Control over folding propensity is exerted through systematic variation in both side-chain sequence and backbone composition...
October 16, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28931634/improved-prediction-accuracy-for-disease-risk-mapping-using-gaussian-process-stacked-generalization
#2
Samir Bhatt, Ewan Cameron, Seth R Flaxman, Daniel J Weiss, David L Smith, Peter W Gething
Maps of infectious disease-charting spatial variations in the force of infection, degree of endemicity and the burden on human health-provide an essential evidence base to support planning towards global health targets. Contemporary disease mapping efforts have embraced statistical modelling approaches to properly acknowledge uncertainties in both the available measurements and their spatial interpolation. The most common such approach is Gaussian process regression, a mathematical framework composed of two components: a mean function harnessing the predictive power of multiple independent variables, and a covariance function yielding spatio-temporal shrinkage against residual variation from the mean...
September 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28919394/concomitant-chemotherapy-and-radiotherapy-with-sbrt-boost-for-unresectable-stage-iii-non-small-cell-lung-cancer-a-phase-i-study
#3
Kristin A Higgins, Rathi N Pillai, Zhengjia Chen, Sibo Tian, Chao Zhang, Pretesh Patel, Suchita Pakkala, Jay Shelton, Seth D Force, Felix G Fernandez, Conor E Steuer, Taofeek K Owonikoko, Suresh S Ramalingam, Jeffrey D Bradley, Walter J Curran
PURPOSE: Stereotactic Body Radiation Therapy (SBRT) is now the standard of care in medically inoperable stage I non-small cell lung cancer, yielding high rates of local control. It is unknown if SBRT can be safely utilized in the locally advanced NSCLC setting. This multi-institution phase I study evaluated the safety of 44 Gy conventionally fractionated thoracic radiation with concurrent chemotherapy plus a dose escalated SBRT boost to both the primary tumor and involved mediastinal lymph nodes...
September 12, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28888567/biomechanics-of-the-acute-boutonniere-deformity
#4
Luis Grau, Hasan Baydoun, Kevin Chen, Seth T Sankary, Farid Amirouche, Mark H Gonzalez
PURPOSE: To demonstrate which structures of the extensor mechanism create a boutonniere deformity, when damaged, in a cadaver model. An analysis of how damage to these anatomical structures affects the biomechanical performance of the extensor mechanism was also performed. METHODS: We secured 18 fresh cadaveric hands onto an apparatus consisting of a computer-controlled motor and tensiometer attached in series to the extensor communis tendon of the ring and middle digits...
September 7, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28873168/vision-screening-in-children-aged-6-months-to-5-years-us-preventive-services-task-force-recommendation-statement
#5
David C Grossman, Susan J Curry, Douglas K Owens, Michael J Barry, Karina W Davidson, Chyke A Doubeni, John W Epling, Alex R Kemper, Alex H Krist, Ann E Kurth, C Seth Landefeld, Carol M Mangione, Maureen G Phipps, Michael Silverstein, Melissa A Simon, Chien-Wen Tseng
Importance: One of the most important causes of vision abnormalities in children is amblyopia (also known as "lazy eye"). Amblyopia is an alteration in the visual neural pathway in a child's developing brain that can lead to permanent vision loss in the affected eye. Among children younger than 6 years, 1% to 6% have amblyopia or its risk factors (strabismus, anisometropia, or both). Early identification of vision abnormalities could prevent the development of amblyopia. Subpopulation Considerations: Studies show that screening rates among children vary by race/ethnicity and family income...
September 5, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28860003/sleep-restriction-induced-energy-methylation-and-lipogenesis-metabolic-switches-in-rat-liver
#6
Arjun Sengupta, Seth D Rhoades, Eun Ji Kim, Soumyashant Nayak, Gregory R Grant, Peter Meerlo, Aalim M Weljie
Sleep curtailment is ubiquitous in modern day society. Sleep debt is associated with maladaptive physiological changes that can lead to cardiometabolic and neuropsychiatric pathologies. Recent literature has shown the effects of sleep restriction (SR) on systemic metabolic profiles in biofluids, implying that tissue-specific metabolomes are impacted by SR. To test this hypothesis, we assessed hepatic metabolic profiles of rats after 5days of SR using UPLC-MS based metabolomics analysis and gene expression analysis...
August 28, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28853290/modulating-hole-transport-in-multilayered-photocathodes-with-derivatized-p-type-nickel-oxide-and-molecular-assemblies-for-solar-driven-water-splitting
#7
Bing Shan, Benjamin D Sherman, Christina M Klug, Animesh Nayak, Seth L Marquard, Qing Liu, R Morris Bullock, Thomas J Meyer
For solar water splitting, dye-sensitized NiO photocathodes have been a primary target. Despite marginal improvement in performance, limitations remain arising from the intrinsic disadvantages of NiO and insufficient catalysis. We report here a new approach to modifying NiO photocathodes with doped NiO bilayers and an additional layer of macro-mesoporous ITO. The trilayered electrode is functionalized with a surface-attached ruthenium polypyridyl dye and a covalently bridged nickel-based hydrogen evolution catalyst...
August 31, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28846505/development-and-validation-of-a-portable-and-inexpensive-tool-to-measure-the-drop-vertical-jump-using-the-microsoft-kinect-v2
#8
Aaron D Gray, Brad W Willis, Marjorie Skubic, Zhiyu Huo, Swithin Razu, Seth L Sherman, Trent M Guess, Amirhossein Jahandar, Trevor R Gulbrandsen, Scott Miller, Nathan J Siesener
BACKGROUND: Noncontact anterior cruciate ligament (ACL) injury in adolescent female athletes is an increasing problem. The knee-ankle separation ratio (KASR), calculated at initial contact (IC) and peak flexion (PF) during the drop vertical jump (DVJ), is a measure of dynamic knee valgus. The Microsoft Kinect V2 has shown promise as a reliable and valid marker-less motion capture device. HYPOTHESIS: The Kinect V2 will demonstrate good to excellent correlation between KASR results at IC and PF during the DVJ, as compared with a "gold standard" Vicon motion analysis system...
August 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28813912/transverse-forces-versus-modified-ashworth-scale-for-upper-limb-flexion-extension-in-para-sagittal-plane
#9
Nitin Seth, Denise Johnson, Hussein A Abdullah
Spasticity is a common impairment following an upper motor neuron lesion in conditions such as stroke and brain injury. A clinical issue is how to best quantify and measure spasticity. Recently, research has been performed to develop new methods of spasticity quantification using various systems. This paper follows up on previous work taking a closer look at the role of transversal forces obtained via rehabilitation robot for motions in the para-sagittal plane. Results from 45 healthy individuals and 40 individuals with acquired brain injury demonstrate that although the passive upper motions are vertical, horizontal forces into and away from the individual's body demonstrate a relationship with the Modified Ashworth Scale...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28754976/constraining-shifts-in-north-atlantic-plate-motions-during-the-palaeocene-by-u-pb-dating-of-svalbard-tephra-layers
#10
Morgan T Jones, Lars E Augland, Grace E Shephard, Seth D Burgess, Gauti T Eliassen, Malte M Jochmann, Bjarki Friis, Dougal A Jerram, Sverre Planke, Henrik H Svensen
Radioisotopic dating of volcanic minerals is a powerful method for establishing absolute time constraints in sedimentary basins, which improves our understanding of the chronostratigraphy and evolution of basin processes. The relative plate motions of Greenland, North America, and Eurasia changed several times during the Palaeogene. However, the timing of a key part of this sequence, namely the initiation of compression between Greenland and Svalbard, is currently poorly constrained. The formation of the Central Basin in Spitsbergen is inherently linked to changes in regional plate motions, so an improved chronostratigraphy of the sedimentary sequence is warranted...
July 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28734435/laparoscopic-approach-for-treatment-of-symptomatic-intra-pericardial-cyst
#11
Ray K Chihara, Seth D Force
Symptomatic pericardial cysts requiring operative management are rare entities. We present a patient with a symptomatic intra-pericardial cystic lesion with intermittent syncope who underwent treatment using a laparoscopic approach, thus minimizing pain and allowing quick recovery.
August 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28718707/child-sexual-abuse-and-adult-mental-health-sexual-risk-behaviors-and-drinking-patterns-among-latino-men-who-have-sex-with-men
#12
Ethan Czuy Levine, Omar Martinez, Brian Mattera, Elwin Wu, Sonya Arreola, Scott Edward Rutledge, Bernie Newman, Larry Icard, Miguel Muñoz-Laboy, Carolina Hausmann-Stabile, Seth Welles, Scott D Rhodes, Brian M Dodge, Sarah Alfonso, M Isabel Fernandez, Alex Carballo-Diéguez
One in five Latino men who have sex with men has experienced child sexual abuse. Although concerning in itself, child sexual abuse may increase an individuals' likelihood of depression and risk-taking in adult life, including engagement in HIV risk behaviors and alcohol and substance use. It is therefore urgent that researchers and practitioners better understand the long-term effects of child sexual abuse. We utilized logistic and linear regression to assess associations between child sexual abuse (operationalized as forced or coerced sexual activity before age 17) and depression, sexual behaviors, and drinking patterns in a sample of 176 adult Latino men who have sex with men from New York City...
July 18, 2017: Journal of Child Sexual Abuse
https://www.readbyqxmd.com/read/28697260/behavioral-counseling-to-promote-a-healthful-diet-and-physical-activity-for-cardiovascular-disease-prevention-in-adults-without-cardiovascular-risk-factors-us-preventive-services-task-force-recommendation-statement
#13
David C Grossman, Kirsten Bibbins-Domingo, Susan J Curry, Michael J Barry, Karina W Davidson, Chyke A Doubeni, John W Epling, Alex R Kemper, Alex H Krist, Ann E Kurth, C Seth Landefeld, Carol M Mangione, Maureen G Phipps, Michael Silverstein, Melissa A Simon, Chien-Wen Tseng
Importance: Adults who adhere to national guidelines for a healthful diet and physical activity have lower rates of cardiovascular morbidity and mortality than those who do not. All persons, regardless of their risk status for cardiovascular disease (CVD), can gain health benefits from healthy eating behaviors and appropriate physical activity. Objective: To update the 2012 US Preventive Services Task Force (USPSTF) recommendation on behavioral counseling to promote a healthful diet and physical activity for cardiovascular disease prevention among adults without obesity who do not have cardiovascular risk factors (hypertension, dyslipidemia, abnormal blood glucose levels, or diabetes)...
July 11, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28647073/quality-and-cost-in-thoracic-surgery
#14
REVIEW
Rachel L Medbery, Seth D Force
The value of health care is defined as health outcomes (quality) achieved per dollars spent (cost). The current national health care landscape is focused on minimizing spending while optimizing patient outcomes. With the introduction of minimally invasive thoracic surgery, there has been concern about added cost relative to improved outcomes. Moreover, differences in postoperative hospital care further drive patient outcomes and health care costs. This article presents a comprehensive literature review on quality and cost in thoracic surgery and aims to investigate current challenges with regard to achieving the greatest value for our patients...
August 2017: Thoracic Surgery Clinics
https://www.readbyqxmd.com/read/28632874/screening-for-obesity-in-children-and-adolescents-us-preventive-services-task-force-recommendation-statement
#15
David C Grossman, Kirsten Bibbins-Domingo, Susan J Curry, Michael J Barry, Karina W Davidson, Chyke A Doubeni, John W Epling, Alex R Kemper, Alex H Krist, Ann E Kurth, C Seth Landefeld, Carol M Mangione, Maureen G Phipps, Michael Silverstein, Melissa A Simon, Chien-Wen Tseng
Importance: Based on year 2000 Centers for Disease Control and Prevention growth charts, approximately 17% of children and adolescents aged 2 to 19 years in the United States have obesity, and almost 32% of children and adolescents are overweight or have obesity. Obesity in children and adolescents is associated with morbidity such as mental health and psychological issues, asthma, obstructive sleep apnea, orthopedic problems, and adverse cardiovascular and metabolic outcomes (eg, high blood pressure, abnormal lipid levels, and insulin resistance)...
June 20, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28608966/next-generation-sequencing-and-clinical-outcomes-of-patients-with-lung-adenocarcinoma-treated-with-stereotactic-body-radiotherapy
#16
Richard J Cassidy, Xinyan Zhang, Pretesh R Patel, Joseph W Shelton, Chase E Escott, Gabriel L Sica, Michael R Rossi, Charles E Hill, Conor E Steuer, Rathi N Pillai, Suresh S Ramalingam, Taofeek K Owonikoko, Madhusmita Behera, Seth D Force, Felix G Fernandez, Walter J Curran, Kristin A Higgins
BACKGROUND: Genetic aberrations are well characterized in lung adenocarcinomas (LACs) and clinical outcomes have been influenced by targeted therapies in the advanced setting. Stereotactic body radiotherapy (SBRT) is the standard-of-care therapy for patients with nonoperable, early-stage LAC, but to the authors' knowledge, no information is available regarding the impact of genomic changes in these patients. The current study sought to determine the frequency and clinical impact of genetic aberrations in this population...
October 1, 2017: Cancer
https://www.readbyqxmd.com/read/28573865/intrinsic-bond-energies-from-a-bonds-in-molecules-neural-network
#17
Kun Yao, John E Herr, Seth N Brown, John Parkhill
Neural networks are being used to make new types of empirical chemical models as inexpensive as force fields, but with accuracy similar to the ab initio methods used to build them. In this work, we present a neural network that predicts the energies of molecules as a sum of intrinsic bond energies. The network learns the total energies of the popular GDB9 database to a competitive MAE of 0.94 kcal/mol on molecules outside of its training set, is naturally linearly scaling, and applicable to molecules consisting of thousands of bonds...
June 15, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28528062/successful-thoracic-duct-ligation-for-plastic-bronchitis-in-an-adult
#18
Nicholas R Hess, Christopher Piercecchi, Nikita Desai, Micah R Fisher, Eun-Hyung Lee, Seth D Force
Plastic bronchitis is a rare and potentially life-threatening disease characterized by the development of obstructive fibrinous tracheobronchial casts and hypoxic respiratory failure. With its poorly understood cause and rare occurrence in the adult population, few treatment strategies have been described in adults with this condition. In this report, we present a case of successful treatment of an adult with plastic bronchitis, using thoracic duct ligation and resulting in full resolution of airway cast development...
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28508087/the-vitamin-d-for-enhancing-the-immune-system-in-cystic-fibrosis-disc-trial-rationale-and-design-of-a-multi-center-double-blind-placebo-controlled-trial-of-high-dose-bolus-administration-of-vitamin-d3-during-acute-pulmonary-exacerbation-of-cystic-fibrosis
#19
Vin Tangpricha, Ellen M Smith, Jose Binongo, Suzanne E Judd, Thomas R Ziegler, Seth Walker, Rabindra Tirouvanziam, Susu M Zughaier, Moon Jeong Lee, Supavit Chesdachai, Wendy A Hermes, James F Chmiel, Amit Gaggar, Ruth E Grossmann, Patricia M Joseph, Jessica A Alvarez
Vitamin D deficiency is highly prevalent in children and adults with cystic fibrosis (CF). Recent studies have found an association between vitamin D status and risk of pulmonary exacerbations in children and adults with CF. The ongoing Vitamin D for enhancing the Immune System in Cystic fibrosis (DISC) study is a multi-center, double-blind, randomized, placebo-controlled trial that will test the hypothesis of whether high dose vitamin D given as a single oral bolus of 250,000 IU to adults with CF during a pulmonary exacerbation followed by a maintenance dose of vitamin D will improve time to next pulmonary exacerbation and re-hospitalization, improve survival and lung function compared to placebo and reduce the rates of pulmonary exacerbation,...
June 2017: Contemporary Clinical Trials Communications
https://www.readbyqxmd.com/read/28494966/mechanotransduction-dynamics-at-the-cell-matrix-interface
#20
Seth H Weinberg, Devin B Mair, Christopher A Lemmon
The ability of cells to sense and respond to mechanical cues from the surrounding environment has been implicated as a key regulator of cell differentiation, migration, and proliferation. The extracellular matrix (ECM) is an oft-overlooked component of the interface between cells and their surroundings. Cells assemble soluble ECM proteins into insoluble fibrils with unique mechanical properties that can alter the mechanical cues a cell receives. In this study, we construct a model that predicts the dynamics of cellular traction force generation and subsequent assembly of fibrils of the ECM protein fibronectin (FN)...
May 9, 2017: Biophysical Journal
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