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https://www.readbyqxmd.com/read/29451898/integrating-linear-optimization-with-structural-modeling-to-increase-hiv-neutralization-breadth
#1
Alexander M Sevy, Swetasudha Panda, James E Crowe, Jens Meiler, Yevgeniy Vorobeychik
Computational protein design has been successful in modeling fixed backbone proteins in a single conformation. However, when modeling large ensembles of flexible proteins, current methods in protein design have been insufficient. Large barriers in the energy landscape are difficult to traverse while redesigning a protein sequence, and as a result current design methods only sample a fraction of available sequence space. We propose a new computational approach that combines traditional structure-based modeling using the Rosetta software suite with machine learning and integer linear programming to overcome limitations in the Rosetta sampling methods...
February 16, 2018: PLoS Computational Biology
https://www.readbyqxmd.com/read/29451026/the-tim-system-developing-a-novel-telehealth-service-to-improve-access-to-specialist-care-in-motor-neurone-disease-using-user-centered-design
#2
Esther V Hobson, Wendy O Baird, Rebecca Partridge, Cindy L Cooper, Susan Mawson, Ann Quinn, Pamela J Shaw, Theresa Walsh, Daniel Wolstenholme, Christopher J Mcdermott
OBJECTIVES: Attendance at a specialist multidisciplinary motor neurone disease (MND) clinic is associated with improved survival and may also improve quality of life and reduce hospital admissions. However, patients struggle to travel to clinic and may experience difficulties between clinic visits that may not be addressed in a timely manner. We wanted to explore how we could improve access to specialist MND care. METHODS: We adopted an iterative, user-centered co-design approach, collaborating with those with experience of providing and receiving MND care including patients, carers, clinicians, and technology developers...
February 16, 2018: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/29449317/it-takes-a-village-to-move-a-hospital-simulation-improves-intensive-care-team-preparedness-for-a-move-to-a-new-site
#3
Conall Francoeur, Sarah Shea, Margaret Ruddy, Patricia Fontela, Farhan Bhanji, Saleem Razack, Ronald Gottesman, Tanya Di Genova
OBJECTIVES: To evaluate in-situ simulation to prepare a PICU to move to a new, redesigned unit. METHODS: The study setting is an academic PICU. This is a cross-sectional study using in-situ simulations of common PICU admissions. Postsimulation, participants completed a survey comparing the perception of preparedness pre- and postsimulation (via a 10-point Likert scale). Participants were resurveyed 6 months postmove to assess whether effects persisted. Qualitative data were obtained via thematic review of the survey comment section and from postsimulation debriefing...
February 15, 2018: Hospital Pediatrics
https://www.readbyqxmd.com/read/29447345/the-biocyc-collection-of-microbial-genomes-and-metabolic-pathways
#4
Peter D Karp, Richard Billington, Ron Caspi, Carol A Fulcher, Mario Latendresse, Anamika Kothari, Ingrid M Keseler, Markus Krummenacker, Peter E Midford, Quang Ong, Wai Kit Ong, Suzanne M Paley, Pallavi Subhraveti
BioCyc.org is a microbial genome Web portal that combines thousands of genomes with additional information inferred by computer programs, imported from other databases and curated from the biomedical literature by biologist curators. BioCyc also provides an extensive range of query tools, visualization services and analysis software. Recent advances in BioCyc include an expansion in the content of BioCyc in terms of both the number of genomes and the types of information available for each genome; an expansion in the amount of curated content within BioCyc; and new developments in the BioCyc software tools including redesigned gene/protein pages and metabolite pages; new search tools; a new sequence-alignment tool; a new tool for visualizing groups of related metabolic pathways; and a facility called SmartTables, which enables biologists to perform analyses that previously would have required a programmer's assistance...
August 17, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/29447180/experimental-research-on-the-structural-instability-mechanism-and-the-effect-of-multi-echelon-support-of-deep-roadways-in-a-kilometre-deep-well
#5
Rui Peng, Xiangrui Meng, Guangming Zhao, Yingming Li, Jianming Zhu
We study the structural instability mechanism and effect of a multi-echelon support in very-deep roadways. We conduct a scale model test for analysing the structural failure mechanism and the effect of multi-echelon support of roadways under high horizontal stress. Mechanical bearing structures are classified according to their secondary stress distribution and the strength degradation of the surrounding rock after roadway excavation. A new method is proposed by partitioning the mechanical bearing structure of the surrounding rock into weak, key and main coupling bearing stratums...
2018: PloS One
https://www.readbyqxmd.com/read/29447015/optogenetics-in-cancer-drug-discovery
#6
Michał Kiełbus, Jakub Czapiński, Adrian Odrzywolski, Grażyna Stasiak, Kamila Szymańska, Joanna Kałafut, Michał Kos, Krzysztof Giannopoulos, Andrzej Stepulak, Adolfo Rivero-Müller
The discovery and domestication of biomolecules that respond to light has taken a light of its own, providing new molecular tools with incredible spatio-temporal resolution to manipulate cellular behavior. Areas covered: The authors herein analyze the current optogenetic tools in light of their current, and potential, uses in cancer drug discovery, biosafety and cancer biology. Expert opinion: The pipeline from drug discovery to the clinic is plagued with drawbacks, where most drugs fail in either efficacy or safety...
February 15, 2018: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/29444853/interprofessional-teamwork-innovation-model-itim-to-promote-communication-and-patient-centred-coordinated-care
#7
Jing Li, Preetham Talari, Andrew Kelly, Barbara Latham, Sherri Dotson, Kim Manning, Lisa Thornsberry, Colleen Swartz, Mark V Williams
BACKGROUND: Despite recommendations and the need to accelerate redesign of delivery models to be team-based and patient-centred, professional silos and cultural and structural barriers that inhibit working together and communicating effectively still predominate in the hospital setting. Aiming to improve team-based rounding, we developed, implemented and evaluated the Interprofessional Teamwork Innovation Model (ITIM). METHODS: This quality improvement (QI) study was conducted at an academic medical centre...
February 14, 2018: BMJ Quality & Safety
https://www.readbyqxmd.com/read/29444767/patient-reported-measures-for-person-centered-coordinated-care-a-comparative-domain-map-and-web-based-compendium-for-supporting-policy-development-and-implementation
#8
Helen Lloyd, Hannah Wheat, Jane Horrell, Thavapriya Sugavanam, Benjamin Fosh, Jose M Valderas, James Close
BACKGROUND: Patient-reported measure (PRM) questionnaires were originally used in research to measure outcomes of intervention studies. They have now evolved into a diverse family of tools measuring a range of constructs including quality of life and experiences of care. Current health and social care policy increasingly advocates their use for embedding the patient voice into service redesign through new models of care such as person-centered coordinated care (P3C). If chosen carefully and used efficiently, these tools can help improve care delivery through a variety of novel ways, including system-level feedback for health care management and commissioning...
February 14, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29441595/analysing-barriers-to-service-improvement-using-a-multi-level-theory-of-innovation-the-case-of-glaucoma-outpatient-clinics
#9
Simon Turner, Christos Vasilakis, Martin Utley, Paul Foster, Aachal Kotecha, Naomi J Fulop
The development and implementation of innovation by healthcare providers is understood as a multi-determinant and multi-level process. Theories at different analytical levels (i.e. micro and organisational) are needed to capture the processes that influence innovation by provide. This article combines a micro theory of innovation, actor-network theory, with organisational level processes using the 'resource based view of the firm'. It examines the influence of, and interplay between, innovation-seeking teams (micro) and underlying organisational capabilities (meso) during innovation processes...
February 13, 2018: Sociology of Health & Illness
https://www.readbyqxmd.com/read/29440674/engineering-the-conserved-and-noncatalytic-residues-of-a-thermostable-%C3%AE-1-4-endoglucanase-to-improve-specific-activity-and-thermostability
#10
Xiutao Chen, Weiguang Li, Peng Ji, Yang Zhao, Chengyao Hua, Chao Han
Endoglucanases are increasingly applied in agricultural and industrial applications as a key biocatalyst for cellulose biodegradation. However, the low performance in extreme conditions seriously challenges the enzyme's commercial utilization. To obtain endoglucanases with substantially improved activity and thermostability, structure-based rational design was carried out based on the Chaetomium thermophilum β-1,4-endoglucanase CTendo45. In this study, five mutant enzymes were constructed by substitution of conserved and noncatalytic residues using site-directed mutagenesis...
February 13, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29439895/adding-value-to-total-joint-arthroplasty-care-in-an-academic-environment-the-utah-experience
#11
Christopher E Pelt, Mike B Anderson, Jill A Erickson, Jeremy M Gililland, Christopher L Peters
BACKGROUND: Adding value in a university-based academic health care system provides unique challenges when compared to other health care delivery models. Herein, we describe our experience in adding value to joint arthroplasty care at the University of Utah, where the concept of value-based health care reform has become an embraced and driving force. METHODS: To improve the value, new resources were needed for care redesign, physician leadership, and engagement in alternative payment models...
February 10, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29432621/implementation-of-the-autovalidation-algorithm-for-clinical-chemistry-testing-in-the-laboratory-information-system
#12
Vladimira Rimac, Ivana Lapic, Kresimir Kules, Dunja Rogic, Marijana Miler
Objective: Autovalidation algorithm should be properly designed with clearly defined criteria and any data that do not meet the criteria, must be reviewed and manually validated. The aim was to define the rules for autovalidation in our laboratory information system (LIS), and validate the algorithm prior to its implementation in routine laboratory work. Methods: Autovalidation was implemented for all routine serum biochemistry tests. The algorithm included analytical measurement ranges (AMR), delta check, critical values, serum indices and all preanalytical and analytical flags from the analyzer...
February 8, 2018: Laboratory Medicine
https://www.readbyqxmd.com/read/29431486/reducing-recurrent-hospital-admissions-in-patients-with-decompensated-cirrhosis
#13
Richard J Aspinall
Recurrent admissions to hospital are a major issue for people living with decompensated cirrhosis, particularly those who develop chronic hepatic encephalopathy, a condition that leads to significantly impaired quality of life for patients and their family caregivers. Such patients have high health-care use costs but recent data have shown how the appropriate use of effective medical therapy can significantly reduce hospital admissions, length of stay and unplanned readmissions. Redesigning clinical services to optimize access to specialist care and improving the education and support of patients and their carers can further help to reduce the burden of this disease...
February 2, 2018: British Journal of Hospital Medicine
https://www.readbyqxmd.com/read/29430512/defining-priorities-to-improve-patient-experience-in-non-muscle-invasive-bladder-cancer
#14
Tullika Garg, Jill Nault Connors, Ilene G Ladd, Tyler L Bogaczyk, Sharon L Larson
Background: Although approximately 75% of bladder cancers are non-muscle invasive (NMIBC) at diagnosis, most research tends to focus on invasive disease (e.g., experiences related to radical cystectomy and urinary diversion). There is a lack of studies on quality of life, and especially qualitative research, in bladder cancer generally. As a result, relatively little is known about the experiences and needs of NMIBC patients. Objective: To understand patient experience, define care priorities, and identify targets for care improvement in NMIBC across the cancer continuum...
January 20, 2018: Bladder Cancer
https://www.readbyqxmd.com/read/29421459/-nothing-is-going-to-change-three-months-from-now-a-mixed-methods-characterization-of-food-bank-use-in-greater-vancouver
#15
Eleanor Holmes, Jennifer L Black, Amber Heckelman, Scott A Lear, Darlene Seto, Adeleke Fowokan, Hannah Wittman
North American food bank use has risen dramatically since the 1980s, and over 850,000 Canadians were estimated to have visited a food bank monthly in 2015. Food banks serve multiple roles in communities, ranging from 'emergency responses' to individualized and short-term experiences of hunger, to 'chronic' supports as part of long-term subsistence strategies. This study used a mixed-methods design to examine the spectrum of food bank user experiences in a large urban context, as part of a community-based project aiming to envision a redesign of the food bank to contribute to broader community food security outcomes...
January 31, 2018: Social Science & Medicine
https://www.readbyqxmd.com/read/29420926/process-redesign-of-a-surgical-pathway-improves-access-to-cataract-surgery-for-aboriginal-and-torres-strait-islander-people-in-south-east-queensland
#16
Lisa Penrose, Yvette Roe, Natalie A Johnson, Erica L James
The Institute for Urban Indigenous Health (IUIH) aimed to improve access to cataract surgery in urban South East Queensland (SEQ) for Indigenous Australians, without compromising clinical visual outcomes. The Penchansky and Levesque concept of access as the 'fit' between the patient's needs and the ability of the system to meet those needs was used to inform the redesign of the mainstream cataract surgical pathway. The IUIH staff and community stakeholders mapped the traditional external cataract surgical pathway and then innovatively redesigned it to reduce the number of patients being removed by the system at key transition points...
February 9, 2018: Australian Journal of Primary Health
https://www.readbyqxmd.com/read/29420681/years-of-life-lost-due-to-influenza-attributable-mortality-in-older-adults-in-the-netherlands-a-competing-risks-approach
#17
Scott A McDonald, Maarten van Wijhe, Liselotte van Asten, Wim van der Hoek, Jacco Wallinga
We estimated the influenza mortality burden in adults 60 years of age and older in the Netherlands in terms of years of life lost, taking into account competing mortality risks. Weekly laboratory surveillance data for influenza and other respiratory pathogens and weekly extreme temperature served as covariates in Poisson regression models fitted to weekly age-group specific mortality data for the period 1999/2000 through 2012/13. Burden for age-groups 60-64 through 85-89 years was computed as years of life lost before age 90 (YLL90) using restricted mean lifetimes survival analysis and accounting for competing risks...
February 6, 2018: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29416090/transitions-to-sustainable-management-of-phosphorus-in-brazilian-agriculture
#18
Paul J A Withers, Marcos Rodrigues, Amin Soltangheisi, Teotonio S de Carvalho, Luiz R G Guilherme, Vinicius de M Benites, Luciano C Gatiboni, Djalma M G de Sousa, Rafael de S Nunes, Ciro A Rosolem, Fernando D Andreote, Adilson de Oliveira, Edson L M Coutinho, Paulo S Pavinato
Brazil's large land base is important for global food security but its high dependency on inorganic phosphorus (P) fertilizer for crop production (2.2 Tg rising up to 4.6 Tg in 2050) is not a sustainable use of a critical and price-volatile resource. A new strategic analysis of current and future P demand/supply concluded that the nation's secondary P resources which are produced annually (e.g. livestock manures, sugarcane processing residues) could potentially provide up to 20% of crop P demand by 2050 with further investment in P recovery technologies...
February 7, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29415717/implementing-large-scale-fast-track-diagnostics-in-a-comprehensive-cancer-center-pre-and-post-measurement-data
#19
W H van Harten, N Goedbloed, A H Boekhout, S Heintzbergen
BACKGROUND: In general, patients with a cancer suspicion visit the hospital multiple times before diagnosis is completed. Using various "operations management" techniques a few fast track diagnostic services were implemented in the Netherlands Cancer Institute (NKI) in 2006. Growing patient numbers and increasing process complexity, led to diminished service levels. To decrease the amount of patient visits and to extend these services beyond the (obvious) breast cancer services, fast track diagnostics is now implemented for all 18 cancer types that present with a frequency of minimally one per week...
February 7, 2018: BMC Health Services Research
https://www.readbyqxmd.com/read/29412286/workload-of-nurses-observational-study-of-indirect-care-activities-interventions
#20
Mariana Santos de Campos, Bruna Andrade de Oliveira, Marcia Galan Perroca
OBJECTIVE: Observe the workflow of nurses in hospitalization units identifying indirect care activities/interventions; measure the frequency and average time spent in performing them; and to verify the associations between average time of the activities interventions grouped into categories and per hospitalization unit. METHOD: Observational exploratory study using the timed technique. It was conducted in medical, surgical and specialized clinic units of a teaching hospital in the northwest of São Paulo Brazil, with 16 attending nurses as participants...
March 2018: Revista Brasileira de Enfermagem
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