73 research outputs found
Panel: the identity and dynamics of MIS
In this panel, we address the identity and dynamics of MIS, including myths and taboos in the history of the field, interdisciplinary identities, intradisciplinary perspectives, and empirics on coherence and change in the discipline. Panelists are Frank Land, London School of Economics, UK Michael D. Myers, University of Auckland Business School, NZ Robert Zmud, Michael F. Price College of Business, University of Oklahoma, OK and Linda Levine, Software Engineering Institute, Carnegie Mellon University, PA. Panel Moderator and Point of Contact:Tor J. LarsenThe past and the future of information systems: 1976-2006 and beyondRed de Universidades con Carreras en Informática (RedUNCI
Integrating eBusiness, Knowledge Management and Policy Considerations Within an Information Systems Strategy Framework
Much has been written on the topic of Information Systems (IS) Strategy over the past 30 years or so since the early work of, for example, Kriebel (1968) and McFarlan (1971). We have gone through periods where various approaches to IS Strategy have had their heyday. (Galliers, 1993) These include, for example: long range planning; businessdriven (or ‘top-down’) approaches; strategic data planning; the proactive use of Information Technology (IT) for competitive advantage, and business process analysis (or BPR), to name but a few (e.g., McLean & Soden, 1977; Ein-Dor & Segev, 1978; Martin, 1982; Porter & Millar, 1985; Hammer, 1990). More recently, we have seen the emergence of e-business and knowledge management as major phenomena worthy of our attention in the strategy arena
One-year outcome and adherence to pharmacological guidelines in first-episode schizophrenia: Results from a consecutive cohort study
Background
Remission in schizophrenia is difficult to achieve. Antipsychotic drugs are critical in the treatment of schizophrenia. International guidelines for the pharmacological treatment of schizophrenia recommend a 3-step algorithm with clozapine being the third-line antipsychotic agent. This study investigated the 1-year outcome and the application of the guidelines for the pharmacological treatment of nonremitted first-episode schizophrenia (FES) patients during the first year of follow-up.
Methods
A sample of 78 FES patients from the Norwegian TIPS (Early Treatment and Intervention in Psychosis) 2 study was assessed at the end of the first year of follow-up. The symptom remission criteria were those defined by the Remission in Schizophrenia Working Group. The adherence to the pharmacological guidelines was assessed by reading the medical files and by a digital search of the words “clozapine,” “klozapin,” and “Leponex” in the hospital electronic data system.
Results
The majority (n = 53, 67.9%) of the patients included were nonremitted at the 1-year follow-up. The majority of the nonremitted patients received either none (7.5%), one (56.6%), or 2 types (15.1%) of antipsychotic drugs during the first year of follow-up. Only 2 (3.8%) received treatment with clozapine, and 3 (5.7%) in total were offered it.
Conclusions
For our FES sample, there was a low 1-year remission rate and a poor adherence to the pharmacological guidelines. Higher adherence to treatment guidelines with a more intensified antipsychotic treatment, which in some cases will include clozapine, will enhance the quality of treatment and may enhance the rates of remission for schizophrenia.publishedVersio
Conformational Analysis of DNA Repair Intermediates by Time-Resolved Fluorescence Spectroscopy
DNA repair enzymes are essential for maintaining the integrity of the DNA sequence. Unfortunately, very little is known about how these enzymes recognize damaged regions along the helix. Structural analysis of cellular repair enzymes bound to DNA reveals that these enzymes are able to recognize DNA in a variety of conformations. However, the prevalence of these deformations in the absence of enzymes remains unclear, as small populations of DNA conformations are often difficult to detect by NMR and X-ray crystallography. Here, we used time-resolved fluorescence spectroscopy to examine the conformational dynamics of linear, nicked, gapped, and bulged DNA in the absence of protein enzymes. This analysis reveals that damaged DNA is polymorphic in nature and able to adopt multiple individual conformations. We show that DNA repair intermediates that contain a one-nucleotide gap and bulge have a significant propensity to adopt conformations in which the orphan base resides outside the DNA helix, while DNA structures damaged by a nick or two-nucleotide gap favor intrahelical conformations. Because changes in DNA conformation appear to guide the recognition of DNA repair enzymes, we suggest that the current approach could be used to study the mechanism of DNA repair. Structural analyses of many DNA-enzyme complexes reveal that cellular repair enzymes recognize DNA in a variety o
Antimicrobial Activity and Cytotoxicity of Ag(I) and Au(I) Pillarplexes
The biological activity of four pillarplex compounds featuring different metals and anions was investigated. The toxicity of the compounds against four bacterial strains [Bacillus subtilis (ATCC6633), Staphylococcus aureus (ATCC6538), Escherichia coli (UVI isolate), Pseudomonas aeruginosa], one fungus (Candida albicans), and a human cell line (HepG2) was determined. Additionally, a UV-Vis titration study of the pillarplexes was carried out to check for stability depending on pH- and chloride concentration changes and evaluate the applicability in physiological media. All compounds are bioactive: the silver compounds showed higher activity against bacteria and fungi, and the corresponding gold pillarplexes were less toxic against human cells
Editorial Board
Source at http://dx.doi.org/10.1186/s12888-017-1345-8 Background: The duration of untreated psychosis is determined by both patient and service related factors.
Few studies have considered the geographical accessibility of services in relation to treatment delay in early
psychosis. To address this, we investigated whether treatment delay is co-determined by straight-line distance
to hospital based specialist services in a mainly rural mental health context.
Methods: A naturalistic cross-sectional study was conducted among a sample of recent onset psychosis patients
in northern Norway (n = 62). Data on patient and service related determinants were analysed.
Results: Half of the cohort had a treatment delay longer than 4.5 months. In a binary logistic regression model,
straight-line distance was found to make an independent contribution to delay in which we controlled for other
known risk factors.
Conclusions: The determinants of treatment delay are complex. This study adds to previous studies on treatment
delay by showing that the spatial location of services also makes an independent contribution. In addition, it may
be that insidious onset is a more important factor in treatment delay in remote areas, as the logistical implications of
specialist referral are much greater than for urban dwellers. The threshold for making a diagnosis in a remote location
may therefore be higher. Strategies to reduce the duration of untreated psychosis in rural areas would benefit from
improving appropriate referral by crisis services, and the detection of insidious onset of psychosis in community based
specialist services
The recovery of European freshwater biodiversity has come to a halt
Owing to a long history of anthropogenic pressures, freshwater ecosystems are among the most vulnerable to biodiversity loss1. Mitigation measures, including wastewater treatment and hydromorphological restoration, have aimed to improve environmental quality and foster the recovery of freshwater biodiversity2. Here, using 1,816 time series of freshwater invertebrate communities collected across 22 European countries between 1968 and 2020, we quantified temporal trends in taxonomic and functional diversity and their responses to environmental pressures and gradients. We observed overall increases in taxon richness (0.73% per year), functional richness (2.4% per year) and abundance (1.17% per year). However, these increases primarily occurred before the 2010s, and have since plateaued. Freshwater communities downstream of dams, urban areas and cropland were less likely to experience recovery. Communities at sites with faster rates of warming had fewer gains in taxon richness, functional richness and abundance. Although biodiversity gains in the 1990s and 2000s probably reflect the effectiveness of water-quality improvements and restoration projects, the decelerating trajectory in the 2010s suggests that the current measures offer diminishing returns. Given new and persistent pressures on freshwater ecosystems, including emerging pollutants, climate change and the spread of invasive species, we call for additional mitigation to revive the recovery of freshwater biodiversity.N. Kaffenberger helped with initial data compilation. Funding for authors and data collection and processing was provided by the EU Horizon 2020 project eLTER PLUS (grant agreement no. 871128); the German Federal Ministry of Education and Research (BMBF; 033W034A); the German Research Foundation (DFG FZT 118, 202548816); Czech Republic project no. P505-20-17305S; the Leibniz Competition (J45/2018, P74/2018); the Spanish Ministerio de Economía, Industria y Competitividad—Agencia Estatal de Investigación and the European Regional Development Fund (MECODISPER project CTM 2017-89295-P); Ramón y Cajal contracts and the project funded by the Spanish Ministry of Science and Innovation (RYC2019-027446-I, RYC2020-029829-I, PID2020-115830GB-100); the Danish Environment Agency; the Norwegian Environment Agency; SOMINCOR—Lundin mining & FCT—Fundação para a Ciência e Tecnologia, Portugal; the Swedish University of Agricultural Sciences; the Swiss National Science Foundation (grant PP00P3_179089); the EU LIFE programme (DIVAQUA project, LIFE18 NAT/ES/000121); the UK Natural Environment Research Council (GLiTRS project NE/V006886/1 and NE/R016429/1 as part of the UK-SCAPE programme); the Autonomous Province of Bolzano (Italy); and the Estonian Research Council (grant no. PRG1266), Estonian National Program ‘Humanitarian and natural science collections’. The Environment Agency of England, the Scottish Environmental Protection Agency and Natural Resources Wales provided publicly available data. We acknowledge the members of the Flanders Environment Agency for providing data. This article is a contribution of the Alliance for Freshwater Life (www.allianceforfreshwaterlife.org).Peer reviewe
Editorial introduction to the special issue on: transfer and diffusion of IT for organizational resilience
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