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- Rollborn, Niclas, et al.
(författare)
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Good Agreement Between Hba1c Analyzed Using Capillary Electrophoresis, HPLC, Immunological and Enzymatic Methods
- 2019
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Ingår i: Journal of Diabetes, Metabolism and its Complications. ; 1:1, s. 1-7
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: Hemoglobin A1c (HbA1c) is an essential marker for assessment of glycemic control in diabetes patients. The aim of this study was to evaluate the agreement between different HbA1c methods.Methodology: We used blood samples to compare HbA1c results analyzed with Capillarys 3 Tera, Roche Tina-Quant HbA1c Gen 3, BioRad Variant II Turbo (3 sites), Mono S® and Abbott Architect enzymatic method. The comparisons were made as paired instrument comparisons with Capillarys 3 Tera.Results: The linear correlations between the HbA1c methods were as follows:Cobas 6000 = 0.982 x Capillarys 3 Tera + 0.975, R² = 0.994;Architect c8000 = 0.982 x Capillarys 3 Tera + 1.064, R² = 0.994; Mono S® = 0.916 x Capillarys 3 Tera + 3.397, R² = 0.965;BioRad Variant II Turbo = 0.923 x Capillarys 3 Tera + 4.062, R² = 0.990; Tosoh G8 = 0.963 x Capillarys 3 Tera + 3.895, R² = 0.996.Conclusions: The different instrument platforms showed the best agreement in the 50-70 mmol/mol interval. Above and below this range the methods separated into 2 groups, one consisting of Capillarys 3 Tera, Roche Tina-Quant and Abbott enzymatic method and the other group consisting of BioRad Variant II Turbo, Tosoh G8 and Mono S®.
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| 3. |
- Frej, Cecilia, et al.
(författare)
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Quantification of sphingosine 1-phosphate by validated LC-MS/MS method revealing strong correlation with apolipoprotein M in plasma but not in serum due to platelet activation during blood coagulation.
- 2015
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Ingår i: Analytical and Bioanalytical Chemistry. - : Springer Science and Business Media LLC. - 1618-2642 .- 1618-2650. ; 407:28, s. 8533-8542
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Tidskriftsartikel (refereegranskat)abstract
- Sphingosine 1-phosphate (S1P) is a signalling sphingolipid affecting multiple cellular functions of vascular and immune systems. It circulates at submicromolar levels bound to HDL-associated apolipoprotein M (apoM) or to albumin. S1P in blood is mainly produced by platelets and erythrocytes, making blood sampling for S1P quantification delicate. Standardisation of sampling is thereby of great importance to obtain robust data. By optimising and characterising the extraction procedure and the LC-MS/MS analysis, we have developed and validated a highly specific and sensitive method for S1P quantification. Blood was collected from healthy individuals (n = 15) to evaluate the effects of differential blood sampling on S1P levels. To evaluate correlation between S1P and apoM in different types of plasma and serum, apoM was measured by ELISA. The method showed good accuracy and precision in the range of 0.011 to 0.9 μM with less than 0.07 % carryover. We found that the methanol precipitation used to extract S1P co-extracted apoM and several other HDL-proteins from plasma. The platelet-associated S1P was released during coagulation, thus increasing the S1P concentration to double in serum as compared to that in plasma. Gel filtration chromatography revealed that the platelet-released S1P was mainly bound to albumin. This explains why the strong correlation between S1P and apoM levels in plasma is lost upon the clotting process and hence not observed in serum. We have developed, characterised and validated an efficient, highly sensitive and specific method for the quantification of S1P in biological material.
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| 5. |
- Hibbett, D. S., et al.
(författare)
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A higher-level phylogenetic classification of the Fungi
- 2007
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Ingår i: Mycological Research. - : Elsevier BV. - 0953-7562 .- 1469-8102. ; 111, s. 509-547
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Tidskriftsartikel (refereegranskat)abstract
- A comprehensive phylogenetic classification of the kingdom Fungi is proposed, with reference to recent molecular phylogenetic analyses, and with input from diverse members of the fungal taxonomic community. The classification includes 195 taxa, down to the level of order, of which 16 are described or validated here: Dikarya subkingdom nov.; Chytridiomycota, Neocallimastigomycota phyla nov.; Monoblepharidomycetes, Neocallimastigomycetes class. nov.; Eurotiomycetidae, Lecarioromycetidae, Mycocaliciomycetidae subclass. nov.; Acarosporales, Corticiales, Baeomycetales, Candelariales, Gloeophyllales, Melanosporales, Trechisporales, Umbilicariales ords. nov. The clade containing Ascomycota and Basidiomycota is classified as subkingdom Dikarya, reflecting the putative synapomorphy of dikaryotic hyphae. The most dramatic shifts in the classification relative to previous works concern the groups that have traditionally been included in the Chytridiomycota and Zygomycota. The Chytridiomycota is retained in a restricted sense, with Blastocladiomycota and Neocallimastigomycota representing segregate phyla of flagellated Fungi. Taxa traditionally placed in Zygomycota are distributed among Glomeromycota and several subphyla incertae sedis, including Mucoromycotina, Entomophthoromycotina, Kickxellomycotina, and Zoopagomycotiria. Microsporidia are included in the Fungi, but no further subdivision of the group is proposed. Several genera of 'basal' Fungi of uncertain position are not placed in any higher taxa, including Basidiobolus, Caulochytrium, Olpidium, and Rozella. (c) 2007 The British Mycological Society. Published by Elsevier Ltd. All rights reserved.
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| 9. |
- Magnusson, Erik, 1977-
(författare)
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Den egna vägen - Sverige och den europeiska integrationen 1961-1971
- 2009
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Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
- The main purpose of this thesis is to study the reasons behind the Swedish decision not to become a full member of the EEC in the 1960's and 1970's. During this period, Sweden adapted a so called contra-cyclical economic policy characterised by capital and exchange regulations and discriminating establishment rules against foreign citizens. These rules were however incompatible with a membership in the EEC. At the same time, trade with the EEC-countries was of great importance. Therefore an agreement that safeguarded an independent economic policy at the same time as it ensured Swedish trade was considered as urgent and a number of exceptions from the Treaty of Rome were demanded in this respect. Sweden, however, referred these exceptions to areas connected with neutrality and security policy in the belief that this would win sympathy from the Swedish opposition parties as well as from the EEC. This strategy, however, failed with respect to the EEC-countries and a widely spread opinion among these countries was that Sweden only used the neutral-policy-argument as an excuse for safeguarding Swedish domestic policy interests. This led to a massive critique against Sweden. In order not to be blamed for reducing the importance of the policy of neutrality the opposition parties, however, did not question the Swedish arguments which led to a long period of silence in the Swedish EEC-debate. This explanation for the Swedish actions towards the EEC has not been given enough attention by prior researchers. The functionalistic view on the European integration in which integration in one area more or less automatically leads to an extended integration in others is also questioned. This thesis in contrast supports the intergovernmentalistic view on European integration and suggests that economic integration in one area in some cases, for political reasons, encourages self determination in others.
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| 10. |
- Rochwerger, Benny, et al.
(författare)
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An architecture for federated cloud computing
- 2011
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Ingår i: Cloud computing. - Hoboken, N. J. : John Wiley & Sons. - 9780470887998 - 9780470940105 ; , s. 393-412
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Bokkapitel (refereegranskat)
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