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https://www.readbyqxmd.com/read/29335642/controlled-dynamic-screening-of-excitonic-complexes-in-2d-semiconductors
#1
Andrey R Klots, Benjamin Weintrub, Dhiraj Prasai, Daniel Kidd, Kalman Varga, Kirill A Velizhanin, Kirill I Bolotin
We report a combined theoretical/experimental study of dynamic screening of excitons in media with frequency-dependent dielectric functions. We develop an analytical model showing that interparticle interactions in an exciton are screened in the range of frequencies from zero to the characteristic binding energy depending on the symmetries and transition energies of that exciton. The problem of the dynamic screening is then reduced to simply solving the Schrodinger equation with an effectively frequency-independent potential...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330014/frequency-of-red-blood-cell-genotypes-in-multi-transfused-patients-and-blood-donors-from-minas-gerais-southeast-brazil
#2
Vitor Mendonça Alves, Fernanda Bernadelli De Vito, Paulo Roberto Juliano Martins, Sheila Soares Silva, Lilian Castilho, Helio Moraes-Souza
BACKGROUND AND OBJECTIVES: The frequency of red blood cell (RBC) antigens in Brazil varies due to differences in the ethnic groups in different regions; however, these studies have not been performed in Minas Gerais, where African admixture is more prevalent in comparison with other states. Due to these facts, this study aimed to determine the frequency of RBC genotypes on Rh, Kell, Duffy and Kidd systems in blood donors and multi-transfused patients from Minas Gerais, Southeast Brazil...
December 16, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29277256/individual-differences-in-language-acquisition-and-processing
#3
REVIEW
Evan Kidd, Seamus Donnelly, Morten H Christiansen
Humans differ in innumerable ways, with considerable variation observable at every level of description, from the molecular to the social. Traditionally, linguistic and psycholinguistic theory has downplayed the possibility of meaningful differences in language across individuals. However, it is becoming increasingly evident that there is significant variation among speakers at any age as well as across the lifespan. Here, we review recent research in psycholinguistics, and argue that a focus on individual differences (IDs) provides a crucial source of evidence that bears strongly upon core issues in theories of the acquisition and processing of language; specifically, the role of experience in language acquisition, processing, and attainment, and the architecture of the language system...
December 22, 2017: Trends in Cognitive Sciences
https://www.readbyqxmd.com/read/29194005/patient-characteristics-length-of-stay-and-functional-improvement-for-schizophrenia-spectrum-disorders-a-population-study-of-inpatient-care-in-ontario-2005-to-2015
#4
Sheng Chen, April Collins, Kelly Anderson, Kwame McKenzie, Sean Kidd
OBJECTIVES: Schizophrenia and associated illnesses account for a large proportion of mental illness burden and health care expenditures, with the majority of expense involving inpatient care. To date, the literature exploring factors associated with length of stay (LOS) and functional improvement during inpatient care is underdeveloped. In response, this study examined the association between patient characteristics, LOS, and functional improvement using Ontario Mental Health Reporting System (OMHRS) data from 2005 to 2015...
December 2017: Canadian Journal of Psychiatry. Revue Canadienne de Psychiatrie
https://www.readbyqxmd.com/read/29150101/lack-of-association-between-kidd-blood-group-system-and-chronic-kidney-disease
#5
Tiago Verri Capriolli, Jeane Eliete Laguila Visentainer, Ana Maria Sell
BACKGROUND: The Kidd blood group system has three antigens, Jk(a), Jk(b) and Jk3, found on red blood cells and on endothelial cells of the inner lining of blood vessels in the renal medulla. These are known as urea transporter B (UT-B). Researchers have found that individuals carrying the Jk(a-b-) or Jk-null (UT-B null) phenotypes have a lower urine-concentrating capability and risk of severe renal impairment. This study evaluated the distribution of the Kidd phenotypes in patients with chronic kidney disease and a possible association of Kidd antigens with the development of renal disease...
October 2017: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/29150097/kidd-system-antigens-and-kidney-disease
#6
Melca Maria Oliveira Barros
No abstract text is available yet for this article.
October 2017: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/29145552/association-between-perceived-barriers-to-diabetes-self-management-and-diabetic-retinopathy-in-asian-patients-with-type-2-diabetes
#7
Ryan Eyn Kidd Man, Eva K Fenwick, Alfred Tau Liang Gan, Charumathi Sabanayagam, Preeti Gupta, Amudha Aravindhan, Tien Yin Wong, Gavin Siew Wei Tan, Ecosse L Lamoureux
Importance: A patient’s perceived barriers to diabetes self-management (DSM) may affect his or her risk of diabetic retinopathy (DR); however, few studies have examined this association. Objective: To examine the association between perceived barriers to DSM and the severity spectrum of DR in Asian patients with type 2 diabetes. Design, Setting, and Participants: A cross-sectional clinic-based study, the Singapore Diabetes Management Project, was conducted from December 28, 2010, to March 20, 2013, at the Singapore National Eye Centre, a tertiary eye care institute...
December 1, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/29114346/enhanced-skills-in-global-health-and-health-equity-guidelines-for-curriculum-development
#8
Russell Dawe, Andrea Pike, Monica Kidd, Praseedha Janakiram, Eileen Nicolle, Jill Allison
Introduction: Global health addresses health inequities in the care of underserved populations, both domestic and international. Given that health systems with a strong primary care foundation are the most equitable, effective and efficient, family medicine is uniquely positioned to engage in global health. However, there are no nationally recognized standards in Canada for postgraduate family medicine training in global health. Objective: To generate consensus on the essential components of a Global Health/Health Equity Enhanced Skills Program in family medicine...
April 2017: Canadian Medical Education Journal
https://www.readbyqxmd.com/read/29108475/innovations-in-payer-community-partnerships-the-emblemhealth-neighborhood-care-program
#9
Simona C Kwon, Chau Trinh-Shevrin, Karen Wauchope, Nadia S Islam, Judith Fifield, Patricia Kidd Arlotta, Hee Won Han, Eliza Ng
Comprehensive and innovative strategies are needed to address and manage chronic diseases and conditions and to reduce health disparities. EmblemHealth Neighborhood Care (EHNC) sites provide community-based linkages across payers, health providers, and delivery systems and underserved communities using culturally sensitive methods tailored to meet the needs of the community. This article describes this novel initiative and early indicators of its feasibility. Three EHNC sites were established in New York City: Harlem, Cambria Heights, and Chinatown...
January 1, 2017: International Quarterly of Community Health Education
https://www.readbyqxmd.com/read/29044588/a-uniform-method-for-the-simultaneous-blood-group-phenotyping-of-fya-fyb-jka-jkb-s-s%C3%AC-p1-k-applying-lateral-flow-technique
#10
A Caesar, S Meyer, N Trost, K Neuenschwander, C Geisen, B M Frey, C Gassner, P Schwind
BACKGROUND AND OBJECTIVES: A lateral flow assay for simultaneous blood group typing of ABO, RhD, C, E, c, e, Cw and K with stable end-point and without centrifugation is in routine use since several years (MDmulticard® ). The typing of extended phenotype parameters belonging to the Duffy, Kidd, MNSs blood group systems and others, however, has not yet been demonstrated for this technique. Reliable detection of Fyx , a weak Fyb phenotype with a pronounced quantitative reduction of the number of Fyb antigens on the erythrocyte surface, remains a weakness of current serological blood grouping techniques...
October 16, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/29043827/stability-guidelines-for-dithiothreitol-treated-red-blood-cell-reagents-used-for-antibody-detection-methods-in-patients-treated-with-daratumumab
#11
Wendy L Disbro
Daratumumab (DARA), a drug used to treat patients with multiple myeloma, causes interference in pre-transfusion testing. Samples from patients receiving DARA exhibit panreactivity in antibody detection and identification tests with red blood cells (RBCs). Many hospitals are sending these samples to reference laboratories. Dithiothreitol (DTT), a sulfhydryl chemical treatment of RBCs, negates this reactivity. This study investigated the stability of the antigens on DTT-treated RBCs to determine if large quantities of RBCs could be treated at one time, stored, and used for testing at a later time...
September 2017: Immunohematology
https://www.readbyqxmd.com/read/28854515/intravenous-immunoglobulin-in-the-management-of-a-rare-cause-of-hemolytic-disease-of-the-newborn-anti-sara-antibodies
#12
Rohini Venkataraman, Kamran Yusuf
Hemolytic disease of newborn (HDN) is a condition that develops in a fetus, when the IgG molecules produced by the mother pass through the placenta and attack the fetal red blood cells. HDN can occur due to Rh and ABO incompatibilities between the mother and the fetus as well as due to other allo-immune antibodies belonging to Kell (K and k), Duffy (Fya), Kidd (Jka and Jkb), and MNS (M, N, S, and s) systems. Role of intravenous immunoglobulin in management of HDN is not clear.SARA red blood cell antigen, first discovered in 1990 is a low frequency antigen...
2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28774723/environments-tune-and-select-cellular-diversity
#13
Brian A Kidd
Technical advances in single-cell sequencing data and their application to greater samples is revealing substantial cell-to-cell variation in expression levels and propagation of this variation between molecules across cells. New quantitative approaches that apply mechanistic and statistical models in a systems-wide approach are illuminating the drivers of phenotypic diversity.
July 31, 2017: Trends in Immunology
https://www.readbyqxmd.com/read/28748740/the-use-of-fluoroscopic-guided-percutaneous-pedicle-screws-in-the-upper-thoracic-spine-t1-t6-is-it-safe
#14
Mun Keong Kwan, Chee Kidd Chiu, Chris Yin Wei Chan, Reza Zamani, Nils Hansen-Algenstaedt
PURPOSE: This study analysed the accuracy and safety of the fluoroscopic guided percutaneous screws in the upper thoracic vertebrae (T1-T6). METHODS: Computed tomography scans from 74 patients were retrospectively evaluated between January 2008 and December 2012. Pedicle perforations were classified by two types of grading systems. For medial, lateral, superior and inferior perforations: grade 0 - no violation; grade 1 - <2 mm; grade 2 - 2-4 mm and grade 3 - >4 mm...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28717717/management-and-care-of-women-with-invasive-cervical-cancer-american-society-of-clinical-oncology-resource-stratified-clinical-practice-guideline
#15
Linus T Chuang, Sarah Temin, Rolando Camacho, Alfonso Dueñas-Gonzalez, Sarah Feldman, Murat Gultekin, Vandana Gupta, Susan Horton, Graciela Jacob, Elizabeth A Kidd, Kennedy Lishimpi, Carolyn Nakisige, Joo-Hyun Nam, Hextan Yuen Sheung Ngan, William Small, Gillian Thomas, Jonathan S Berek
PURPOSE: To provide evidence-based, resource-stratified global recommendations to clinicians and policymakers on the management and palliative care of women diagnosed with invasive cervical cancer. METHODS: ASCO convened a multidisciplinary, multinational panel of cancer control, medical and radiation oncology, health economic, obstetric and gynecologic, and palliative care experts to produce recommendations reflecting resource-tiered settings. A systematic review of literature from 1966 to 2015 failed to yield sufficiently strong quality evidence to support basic- and limited-resource setting recommendations; a formal consensus-based process was used to develop recommendations...
October 2016: Journal of Global Oncology
https://www.readbyqxmd.com/read/28707108/clinical-and-biological-insights-from-the-university-of-california-san-francisco-prospective-and-longitudinal-cohort
#16
Bryan S Benn, Zoe Lehman, Sharon A Kidd, Melissa Ho, Sara Sun, Joris Ramstein, Nicholas K Arger, Christine P Nguyen, Robert Su, Antonio Gomez, Jeffrey M Gelfand, Laura L Koth
INTRODUCTION: Sarcoidosis is a systemic inflammatory disease characterized by non-necrotizing granulomas in involved organs, most commonly the lung. Description of patient characteristics in the Western United States is limited. Furthermore, blood-based measures that relate to clinical sarcoidosis phenotypes are lacking. We present an analysis of a prospective, longitudinal sarcoidosis cohort at a Northern Californian academic medical center. METHODS: We enrolled 126 sarcoidosis subjects and 64 healthy controls and recorded baseline demographic and clinical characteristics...
October 2017: Lung
https://www.readbyqxmd.com/read/28674532/changes-in-host-immune-endocrine-relationships-during-tuberculosis-treatment-in-patients-with-cured-and-failed-treatment-outcomes
#17
Léanie Kleynhans, Sheena Ruzive, Lizaan Ehlers, Lani Thiart, Novel N Chegou, Magda Conradie, Magdalena Kriel, Kim Stanley, Gian D van der Spuy, Martin Kidd, Paul D van Helden, Gerhard Walzl, Katharina Ronacher
A bidirectional communication between the immune and endocrine systems exists and facilitates optimum responses in the host during infections. This is in part achieved through changes in secretion patterns of hypothalamic hormones induced by inflammatory cytokines. The aim of this study was to elucidate the immune-endocrine alterations during tuberculosis (TB) treatment in patients with cured and failed TB treatment outcomes. Blood samples were collected from 27 cured and 10 failed patients and hormone as well as cytokine concentrations quantified at baseline, week 4, and month 6 of TB treatment...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28669524/from-genetic-variability-to-phenotypic-expression-of-blood-group-systems
#18
L Raud, C Férec, Y Fichou
More than 300 red blood cell (RBC) antigens belonging to 36 blood group systems have been officially reported in humans by the International Society of Blood Transfusion (ISBT). Phenotypic variability is directly linked to the expression of the 41 blood group genes. The Rh blood group system, which is composed of 54 antigens, is the most complex and polymorphic system. Many rare genetic variants within the RH (RHD and RHCE) genes, involving various mutational mechanisms (single-nucleotide substitutions, short insertions/deletions, rearrangements, large deletions), have been reported in the literature and reference databases...
November 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/28652313/identification-and-characterization-of-two-klebsiella-pneumoniae-lpxl-lipid-a-late-acyltransferases-and-their-role-in-virulence
#19
Grant Mills, Amy Dumigan, Timothy Kidd, Laura Hobley, José A Bengoechea
Klebsiella pneumoniae causes a wide range of infections, from urinary tract infections to pneumonia. The lipopolysaccharide is a virulence factor of this pathogen, although there are gaps in our understanding of its biosynthesis. Here we report on the characterization of K. pneumoniaelpxL, which encodes one of the enzymes responsible for the late secondary acylation of immature lipid A molecules. Analysis of the available K. pneumoniae genomes revealed that this pathogen's genome encodes two orthologues of Escherichia coli LpxL...
September 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28601460/production-and-economic-responses-to-intensification-of-pasture-based-dairy-production-systems
#20
K A Macdonald, J W Penno, J A S Lancaster, A M Bryant, J M Kidd, J R Roche
Production from pasture-based dairy farms can be increased through using N fertilizer to increase pasture grown, increasing stocking rate, importing feeds from off farm (i.e., supplementary feeds, such as cereal silages, grains, or co-product feeds), or through a combination of these strategies. Increased production can improve profitability, provided the marginal cost of the additional milk produced is less than the milk price received. A multiyear production system experiment was established to investigate the biological and economic responses to intensification on pasture-based dairy farms; 7 experimental farmlets were established and managed independently for 3 yr...
June 7, 2017: Journal of Dairy Science
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