Search Results - "Gudmundsson, Sveinn"

Cognitive biases, organization, and entrepreneurial firm survival by Gudmundsson, Sveinn Vidar, Lechner, Christian

“…► Our results show that overconfidence is the chief negative influence on survival. ► Optimism bias and distrust influence overconfidence. ► Optimism bias and…”
Get full text

In search of sustainable strategies for low-cost long-haul airlines by Vidar Gudmundsson, Sveinn

“…•Explores guiding principles for low-cost long-haul airline model.•Brings together strategic thinking and LCLH case studies.•LCLH airlines should seek cost…”
Get full text

Entrepreneurial orientation, firm strategy and small firm performance by Lechner, Christian, Gudmundsson, Sveinn Vidar

“…This article explores how individual entrepreneurial orientation dimensions influence the relationship between competitive strategy and firm performance. The…”
Get full text

Upper gastrointestinal bleeding: incidence, etiology and outcomes in a population-based setting by Hreinsson, Jóhann P., Kalaitzakis, Evangelos, Gudmundsson, Sveinn, Björnsson, Einar S.

“…Abstract Objective. The authors aimed to investigate the incidence and outcomes of acute upper gastrointestinal bleeding (AUGIB) and to examine the role of…”
Get full text

Systems analysis of metabolism in platelet concentrates during storage in platelet additive solution by Jóhannsson, Freyr, Guðmundsson, Steinn, Paglia, Giuseppe, Guðmundsson, Sveinn, Palsson, Bernhard, Sigurjónsson, Ólafur E, Rolfsson, Óttar

“…Platelets (PLTs) deteriorate over time when stored within blood banks through a biological process known as PLT storage lesion (PSL). Here, we describe the…”
Get more information

Quantitative time-course metabolomics in human red blood cells reveal the temperature dependence of human metabolic networks by Yurkovich, James T., Zielinski, Daniel C., Yang, Laurence, Paglia, Giuseppe, Rolfsson, Ottar, Sigurjónsson, Ólafur E., Broddrick, Jared T., Bordbar, Aarash, Wichuk, Kristine, Brynjólfsson, Sigurður, Palsson, Sirus, Gudmundsson, Sveinn, Palsson, Bernhard O.

“…The temperature dependence of biological processes has been studied at the levels of individual biochemical reactions and organism physiology (e.g. basal…”
Get full text

Metabolomics study of platelet concentrates photochemically treated with amotosalen and UVA light for pathogen inactivation by Jóhannsson, Freyr, Árnason, Níels Á., Landrö, Ragna, Guðmundsson, Sveinn, Sigurjonsson, Ólafur E., Rolfsson, Óttar

“…ABSTRACT BACKGROUND The risk of bacterial contamination and the deterioration of platelet (PLT) quality limit the shelf‐life of platelet concentrates (PCs)…”
Get full text

Mannose and fructose metabolism in red blood cells during cold storage in SAGM by Rolfsson, Óttar, Johannsson, Freyr, Magnusdottir, Manuela, Paglia, Giuseppe, Sigurjonsson, Ólafur E., Bordbar, Aarash, Palsson, Sirus, Brynjólfsson, Sigurður, Guðmundsson, Sveinn, Palsson, Bernhard

“…BACKGROUND Alternate sugar metabolism during red blood cell (RBC) storage is not well understood. Here we report fructose and mannose metabolism in RBCs during…”
Get full text

Comprehensive metabolomic study of platelets reveals the expression of discrete metabolic phenotypes during storage by Paglia, Giuseppe, Sigurjónsson, Ólafur E., Rolfsson, Óttar, Valgeirsdottir, Soley, Hansen, Morten Bagge, Brynjólfsson, Sigurður, Gudmundsson, Sveinn, Palsson, Bernhard O.

“…Background Platelet (PLT) concentrates are routinely stored for 5 to 7 days. During storage they exhibit what has been termed PLT storage lesion (PSL), which…”
Get full text

Detailed Multiplex Analysis of SARS-CoV-2 Specific Antibodies in COVID-19 Disease by Brynjolfsson, Siggeir F., Sigurgrimsdottir, Hildur, Einarsdottir, Elin D., Bjornsdottir, Gudrun A., Armannsdottir, Brynja, Baldvinsdottir, Gudrun E., Bjarnason, Agnar, Gudlaugsson, Olafur, Gudmundsson, Sveinn, Sigurdardottir, Sigurveig T., Love, Arthur, Kristinsson, Karl G., Ludviksson, Bjorn R.

“…A detailed understanding of the antibody response against SARS-CoV-2 is of high importance, especially with the emergence of novel vaccines. A multiplex-based…”
Get full text

POGZ Is Required for Silencing Mouse Embryonic β-like Hemoglobin and Human Fetal Hemoglobin Expression by Gudmundsdottir, Bjorg, Gudmundsson, Kristbjorn O., Klarmann, Kimberly D., Singh, Satyendra K., Sun, Lei, Singh, Shweta, Du, Yang, Coppola, Vincenzo, Stockwin, Luke, Nguyen, Nhu, Tessarollo, Lino, Thorsteinsson, Leifur, Sigurjonsson, Olafur E., Gudmundsson, Sveinn, Rafnar, Thorunn, Tisdale, John F., Keller, Jonathan R.

“…Fetal globin genes are transcriptionally silenced during embryogenesis through hemoglobin switching. Strategies to derepress fetal globin expression in the…”
Get full text

Intracellular metabolite profiling of platelets: Evaluation of extraction processes and chromatographic strategies by Paglia, Giuseppe, Magnúsdóttir, Manuela, Thorlacius, Steinunn, Sigurjónsson, Ólafur E., Guðmundsson, Sveinn, Palsson, Bernhard Ø., Thiele, Ines

“…► This is the first metabolomic study reporting analytical protocols for platelets. ► Seven different extraction methods and two different UPLC–MS methods were…”
Get full text

First detection of highly pathogenic avian influenza virus in Norway by Madslien, Knut, Moldal, Torfinn, Gjerset, Britt, Gudmundsson, Sveinn, Follestad, Arne, Whittard, Elliot, Tronerud, Ole-Herman, Dean, Katharine Rose, Åkerstedt, Johan, Jørgensen, Hannah J, das Neves, Carlos G, Rømo, Grim

“…Several outbreaks of highly pathogenic avian influenza (HPAI) caused by influenza A virus of subtype H5N8 have been reported in wild birds and poultry in…”
Get full text

Protein Concentrations in Stored Pooled Platelet Concentrates Treated with Pathogen Inactivation by Amotosalen Plus Ultraviolet a Illumination by Arnason, Niels Arni, Johannsson, Freyr, Landrö, Ragna, Hardarsson, Björn, Gudmundsson, Sveinn, Lian, Aina-Mari, Reseland, Janne, Rolfsson, Ottar, Sigurjonsson, Olafur E

“…Platelet granules contain a diverse group of proteins. Upon activation and during storage, platelets release a number of proteins into the circulation or…”
Get full text

Superior value creation in sports teams: Resources and managerial experience by Lechner, Christian, Vidar Gudmundsson, Sveinn

“…Resource-based research sustains that organisations (and thus teams) create value through internally developed and complementary acquired resources, through…”
Get full text

Guest Editors' Introduction: Approaches to Improve Efficiency and Profitability of Airlines by Merkert, Rico, Gudmundsson, Sveinn Vidar

Get full text

Cost structure effects of horizontal airline mergers and acquisitions by Gudmundsson, Sveinn Vidar, Merkert, Rico, Redondi, Renato

“…The purpose of this research is to test the ex-post cost structure effects in horizontal mergers and acquisitions (M&A). Our proposed methodology quantifies…”
Get full text

Congestion spill effects of Heathrow and Frankfurt airports on connection traffic in European and Gulf hub airports by Redondi, Renato, Gudmundsson, Sveinn Vidar

“…•The aim of the paper is to estimate congestion spills of connections for Heathrow and Frankfurt.•Congestion spills are estimated on 9 hub airports in Europe…”
Get full text

Efficiency and performance measurement in the air transportation industry by Gudmundsson, Sveinn

Get full text

An Age-Associated Decrease in the Frequency of C4BQ0 Indicates That Null Alleles of Complement May Affect Health or Survival by ARASON, GUÐMUNDUR JOHANN, BOÐVARSSON, SIGURDUR, ÞOR SIGURÐARSON, SIGURÐUR, SIGURÐSSON, GARÐAR, ÞORGEIRSSON, GUÐMUNDUR, GUÐMUNDSSON, SVEINN, KRAMER, JUDIT, FÜST, GEORG

“…: We studied the distribution of complement C4, C3, and factor B allotypes in 423 healthy Icelandic subjects from 17 to 89 years of age. A marked decrease was…”
Get full text