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Complexity Sciences

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https://www.readbyqxmd.com/read/29683806/role-of-network-science-in-the-study-of-anesthetic-state-transitions
#1
UnCheol Lee, George A Mashour
The heterogeneity of molecular mechanisms, target neural circuits, and neurophysiologic effects of general anesthetics makes it difficult to develop a reliable and drug-invariant index of general anesthesia. No single brain region or mechanism has been identified as the neural correlate of consciousness, suggesting that consciousness might emerge through complex interactions of spatially and temporally distributed brain functions. The goal of this review article is to introduce the basic concepts of networks and explain why the application of network science to general anesthesia could be a pathway to discover a fundamental mechanism of anesthetic-induced unconsciousness...
April 23, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29683118/searching-for-simplicity-in-the-complexity-of-symptom-clusters
#2
Lanell M Bellury, Jane C Clark
Occam's razor proposes that the simplest solution is preferable; however, in the science of cancer and cancer symptoms, simple solutions have been elusive. Understanding individual symptoms continues to confound the science community, and symptom cluster science appears to be an incredibly complex schema of individual symptoms co-occurring and interacting with one another. The simplest explanation for symptom clusters would be a common underlying mechanism at the human genome level. Such a finding could greatly simplify and perhaps revolutionize symptom management...
May 1, 2018: Oncology Nursing Forum
https://www.readbyqxmd.com/read/29682302/impact-of-an-educational-video-as-a-consent-tool-on-knowledge-about-cure-research-among-patients-and-caregivers-at-hiv-clinics-in-south-africa
#3
EDITORIAL
Melany Hendricks, Gonasagrie Nair, Ciara Staunton, Michael Pather, Nigel Garrett, Dianno Baadjies, Martin Kidd, Keymanthri Moodley
Background: Despite increasing access to antiretroviral therapy in low- and middle-income countries, only 54% of eligible individuals were receiving treatment in Africa by 2015. Recent developments in HIV cure research have been encouraging. However, the complex science and procedures of cure research render the informed consent process challenging. Objective: This study evaluates the impact of a video tool on educating participants about HIV cure. Methods: A questionnaire assessing the content of the video was administered to adults recruited from two clinics in South Africa...
April 1, 2018: Journal of Virus Eradication
https://www.readbyqxmd.com/read/29682301/ethical-challenges-in-developing-an-educational-video-to-empower-potential-participants-during-consent-processes-in-hiv-cure-research-in-south-africa
#4
EDITORIAL
Ciara Staunton, Malcolm de Roubaix, Dianno Baatjies, Gill Black, Melany Hendricks, Theresa Rossouw, Keymanthri Moodley
Obtaining consent for HIV research is complex, particularly in low- and middle-income countries. Low levels of education, complexity of science and research processes, confusion about basic elements of research, and socio-economic conditions that make access to medical care difficult have collectively led to concerns about the adequacy of the consent process. Given the exponential growth of HIV prevention and treatment research in South Africa, HIV researchers are increasingly facing challenges obtaining authentic informed consent from potential participants...
April 1, 2018: Journal of Virus Eradication
https://www.readbyqxmd.com/read/29680996/from-john-snow-to-omics-the-long-journey-of-environmental-epidemiology
#5
Paolo Vineis
A major difference between infectious and non-communicable diseases is that infectious diseases typically have unique necessary causes whereas noncommunicable diseases have multiple causes which by themselves are usually neither necessary nor sufficient. Epidemiology seems to have reached a limit in disentangling the role of single components in causal complexes, particularly at low doses. To overcome limitations the discipline can take advantage of technical developments including the science of the exposome...
April 21, 2018: European Journal of Epidemiology
https://www.readbyqxmd.com/read/29679367/a-systematic-review-of-the-quality-of-reporting-of-simulation-studies-about-methods-for-the-analysis-of-complex-longitudinal-patient-reported-outcomes-data
#6
REVIEW
Aynslie M Hinds, Tolulope T Sajobi, Véronique Sebille, Richard Sawatzky, Lisa M Lix
PURPOSE: This study describes the characteristics and quality of reporting for published computer simulation studies about statistical methods to analyze complex longitudinal (i.e., repeated measures) patient-reported outcomes (PROs); we included methods for longitudinal latent variable measurement and growth models and response shift. METHODS: Scopus, PsycINFO, PubMed, EMBASE, and Social Science Citation Index were searched for English-language studies published between 1999 and 2016 using selected keywords...
April 20, 2018: Quality of Life Research
https://www.readbyqxmd.com/read/29679015/popularity-and-novelty-dynamics-in-evolving-networks
#7
Khushnood Abbas, Mingsheng Shang, Alireza Abbasi, Xin Luo, Jian Jun Xu, Yu-Xia Zhang
Network science plays a big role in the representation of real-world phenomena such as user-item bipartite networks presented in e-commerce or social media platforms. It provides researchers with tools and techniques to solve complex real-world problems. Identifying and predicting future popularity and importance of items in e-commerce or social media platform is a challenging task. Some items gain popularity repeatedly over time while some become popular and novel only once. This work aims to identify the key-factors: popularity and novelty...
April 20, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29678137/supporting-teams-to-optimize-function-and-independence-in-veterans-a-multi-study-program-and-mixed-methods-protocol
#8
Virginia Wang, Kelli Allen, Courtney H Van Houtven, Cynthia Coffman, Nina Sperber, Elizabeth P Mahanna, Cathleen Colón-Emeric, Helen Hoenig, George L Jackson, Teresa M Damush, Erika Price, Susan N Hastings
BACKGROUND: Successful implementation of new clinical programs depends on effectively establishing, reorganizing, or enhancing team structures and processes to coordinate the work of individuals who are interdependent in their tasks, manage relationships, and share responsibility for outcomes. However, a one-size-fits-all approach is rarely effective. In partnership with VA national clinical leaders and local clinical champions, the Optimizing Function and Independence VA Quality Enhancement Research Initiative program (Function QUERI) will evaluate efforts to implement team-based clinical programs for Veterans at risk for functional decline and disability...
April 20, 2018: Implementation Science: IS
https://www.readbyqxmd.com/read/29677980/a-method-for-developing-standard-patient-education-program
#9
Carolina Bryne Lura, Sophie Misser Pallesgaard Hauch, Kirstine Rosenbeck Gøeg, Louise Pape-Haugaard
In Denmark, patients being treated on Haematology Outpatients Departments get instructed to self-manage their blood sample collection from Central Venous Catheter (CVC). However, this is a complex and risky procedure, which can jeopardize patient safety. The aim of the study was to suggest a method for developing standard digital patient education programs for patients in self-administration of blood samples drawn from CVC. The Design Science Research Paradigm was used to develop a digital patient education program, called PAVIOSY, to increase patient safety during execution of the blood sample collection procedure by using videos for teaching as well as procedural support...
2018: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/29676648/global-tobacco-use-old-and-new-products
#10
Ana Navas-Acien
Tobacco use and exposure to tobacco smoke remain major but avoidable causes of premature mortality and disease worldwide. Although the age-standardized prevalence of daily smoking has declined for both men and women in many countries, the number of smokers continues to increase because of global population growth. Although cigarettes are the most commonly used tobacco product, the tobacco epidemic has become tremendously complex with the emergence and popularity of alternative products such as waterpipes and electronic cigarettes (also known as e-cigarettes)...
April 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29675961/a-path-to-the-powerhouse-systems-to-structure-approaches-for-studying-mitochondrial-proteins
#11
David J Pagliarini
The young investigator award from the Protein Society was a special honor for me because, at its essence, the goal of my laboratory is to define what obscure proteins do. Years ago, I stumbled into mitochondria as a venue for this work, and these organelles continue to define the biological theme of my laboratory. Our approaches are fairly broad, reflecting my own somewhat unorthodox training among diverse scientific fields spanning organic synthesis, chemical biology, mechanistic biochemistry, signal transduction, and systems biology...
April 20, 2018: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/29675459/bioengineered-systems-and-designer-matrices-that-recapitulate-the-intestinal-stem-cell-niche
#12
REVIEW
Yuli Wang, Raehyun Kim, Samuel S Hinman, Bailey Zwarycz, Scott T Magness, Nancy L Allbritton
The relationship between intestinal stem cells (ISCs) and the surrounding niche environment is complex and dynamic. Key factors localized at the base of the crypt are necessary to promote ISC self-renewal and proliferation, to ultimately provide a constant stream of differentiated cells to maintain the epithelial barrier. These factors diminish as epithelial cells divide, migrate away from the crypt base, differentiate into the postmitotic lineages, and end their life span in approximately 7 days when they are sloughed into the intestinal lumen...
March 2018: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29674886/a-new-species-of-paraonis-and-an-annotated-checklist-of-polychaetes-from-mangroves-of-the-brazilian-amazon-coast-annelida-paraonidae
#13
Rannyele Passos Ribeiro, Paulo Ricardo Alves, Zafira da Silva de Almeida, Christine Ruta
The polychaete fauna from the mangroves of the Amazon Coast in Maranhão state, Brazil, is reported in this study. Fourteen species are listed, namely Alitta succinea (Leuckart, 1847); Arabella (Arabella) iricolor Montagu, 1804; Capitella capitata (Fabricius, 1780) complex; Exogone (Exogone) breviantennata Hartmann-Schröder, 1959; Heteromastus filiformis (Claparède, 1864); Isolda pulchella Müller, 1858; Mediomastus californiensis Hartman, 1944; Namalycastis fauveli Nageswara Rao, 1981; Namalycastis geayi (Gravier, 1901); Namalycastis senegalensis (Saint-Joseph, 1901); Nephtys simoni Perkins, 1980; Paraonis amazonica sp...
2018: ZooKeys
https://www.readbyqxmd.com/read/29674791/research-design-the-methodology-for-interdisciplinary-research-framework
#14
Hilde Tobi, Jarl K Kampen
Many of today's global scientific challenges require the joint involvement of researchers from different disciplinary backgrounds (social sciences, environmental sciences, climatology, medicine, etc.). Such interdisciplinary research teams face many challenges resulting from differences in training and scientific culture. Interdisciplinary education programs are required to train truly interdisciplinary scientists with respect to the critical factor skills and competences. For that purpose this paper presents the Methodology for Interdisciplinary Research (MIR) framework...
2018: Quality & Quantity
https://www.readbyqxmd.com/read/29674008/applying-systems-ergonomics-methods-in-sport-a-systematic-review
#15
Adam Hulme, Jason Thompson, Katherine L Plant, Gemma J M Read, Scott Mclean, Amanda Clacy, Paul M Salmon
INTRODUCTION: As sports systems become increasingly more complex, competitive, and technology-centric, there is a greater need for systems ergonomics methods to consider the performance, health, and safety of athletes in context with the wider settings in which they operate. Therefore, the purpose of this systematic review was to identify and critically evaluate studies which have applied a systems ergonomics research approach in the context of sports performance and injury management...
April 16, 2018: Applied Ergonomics
https://www.readbyqxmd.com/read/29672021/foldamer-tertiary-structure-through-sequence-guided-protein-backbone-alteration
#16
Kelly L George, W Seth Horne
The prospect of recreating the complex structural hierarchy of protein folding in synthetic oligomers with backbones that are artificial in covalent structure ("foldamers") has long fascinated chemists. Foldamers offer complex functions from biostable scaffolds and have found widespread applications in fields from biomedical to materials science. Most precedent has focused on isolated secondary structures or their assemblies. In considering the goal of complex protein-like tertiary folding patterns, a key barrier became apparent...
April 19, 2018: Accounts of Chemical Research
https://www.readbyqxmd.com/read/29670568/the-dynamics-of-concussion-mapping-pathophysiology-persistence-and-recovery-with-causal-loop-diagramming
#17
Erin S Kenzie, Elle L Parks, Erin D Bigler, David W Wright, Miranda M Lim, James C Chesnutt, Gregory W J Hawryluk, Wayne Gordon, Wayne Wakeland
Despite increasing public awareness and a growing body of literature on the subject of concussion, or mild traumatic brain injury, an urgent need still exists for reliable diagnostic measures, clinical care guidelines, and effective treatments for the condition. Complexity and heterogeneity complicate research efforts and indicate the need for innovative approaches to synthesize current knowledge in order to improve clinical outcomes. Methods from the interdisciplinary field of systems science, including models of complex systems, have been increasingly applied to biomedical applications and show promise for generating insight for traumatic brain injury...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29670155/soft-x-ray-heterogeneous-radiolysis-of-pyridine-in-the-presence-of-hydrated-strontium-hydroxyhectorite-and-its-monitoring-by-near-ambient-pressure-photoelectron-spectroscopy
#18
Anthony Boucly, François Rochet, Quentin Arnoux, Jean-Jacques Gallet, Fabrice Bournel, Héloïse Tissot, Virginie Marry, Emmanuelle Dubois, Laurent Michot
The heterogeneous radiolysis of organic molecules in clays is a matter of considerable interest in astrochemistry and environmental sciences. However, little is known about the effects of highly ionizing soft X-rays. By combining monochromatized synchrotron source irradiation with in situ Near Ambient Pressure X-ray Photoelectron Spectroscopy (in the mbar range), and using the synoptic view encompassing both the gas and condensed phases, we found the water and pyridine pressure conditions under which pyridine is decomposed in the presence of synthetic Sr2+ -hydroxyhectorite...
April 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29670027/a-review-of-evidence-for-a-therapeutic-application-of-traditional-japanese-kampo-medicine-for-oral-diseases-disorders
#19
REVIEW
Marie-Pier Veilleux, Satomi Moriyama, Masami Yoshioka, Daisuke Hinode, Daniel Grenier
Kampo medicines prescribed by specialized medical practitioners and Japanese physicians have gradually reemerged in Japan as alternatives to Western medications. Kampo formulations are composed of several plant extracts and, as such, the broad variety of phytochemicals they contain likely act synergistically to provide their beneficial effects. Kampo medicines have traditionally been prescribed for a number of health conditions, including chronic hepatitis, bronchial asthma, anemia, etc. The aim of this article is to review the beneficial effects of Kampos with respect to oral health...
April 18, 2018: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/29669705/diabetes-related-behavior-change-knowledge-transfer-to-primary-care-practitioners-and-patients-implementation-and-evaluation-of-a-digital-health-platform
#20
Samina Abidi, Michael Vallis, Helena Piccinini-Vallis, Syed Ali Imran, Syed Sibte Raza Abidi
BACKGROUND: Behavioral science is now being integrated into diabetes self-management interventions. However, the challenge that presents itself is how to translate these knowledge resources during care so that primary care practitioners can use them to offer evidence-informed behavior change support and diabetes management recommendations to patients with diabetes. OBJECTIVE: The aim of this study was to develop and evaluate a computerized decision support platform called "Diabetes Web-Centric Information and Support Environment" (DWISE) that assists primary care practitioners in applying standardized behavior change strategies and clinical practice guidelines-based recommendations to an individual patient and empower the patient with the skills and knowledge required to self-manage their diabetes through planned, personalized, and pervasive behavior change strategies...
April 18, 2018: JMIR Medical Informatics
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