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- Armesto, N., et al.
(författare)
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Heavy-ion collisions at the LHC-Last call for predictions
- 2008
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Ingår i: Journal of Physics G. - : IOP Publishing. - 0954-3899 .- 1361-6471. ; 35:5, s. 054001-
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Forskningsöversikt (refereegranskat)abstract
- This writeup is a compilation of the predictions for the forthcoming Heavy Ion Program at the Large Hadron Collider, as presented at the CERN Theory Institute 'Heavy Ion Collisions at the LHC - Last Call for Predictions', held from 14th May to 10th June 2007.
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| 6. |
- El-Sayed, Najib M., et al.
(författare)
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The genome sequence of Trypanosoma cruzi, etiologic agent of Chagas disease.
- 2005
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Ingår i: Science. - : American Association for the Advancement of Science (AAAS). - 1095-9203 .- 0036-8075. ; 309:5733, s. 409-15
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Tidskriftsartikel (refereegranskat)abstract
- Whole-genome sequencing of the protozoan pathogen Trypanosoma cruzi revealed that the diploid genome contains a predicted 22,570 proteins encoded by genes, of which 12,570 represent allelic pairs. Over 50% of the genome consists of repeated sequences, such as retrotransposons and genes for large families of surface molecules, which include trans-sialidases, mucins, gp63s, and a large novel family (>1300 copies) of mucin-associated surface protein (MASP) genes. Analyses of the T. cruzi, T. brucei, and Leishmania major (Tritryp) genomes imply differences from other eukaryotes in DNA repair and initiation of replication and reflect their unusual mitochondrial DNA. Although the Tritryp lack several classes of signaling molecules, their kinomes contain a large and diverse set of protein kinases and phosphatases; their size and diversity imply previously unknown interactions and regulatory processes, which may be targets for intervention.
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| 7. |
- Levin, Max, 1969, et al.
(författare)
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Postnatal constriction, ATP depletion, and cell death in the mature and immature ductus arteriosus
- 2006
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Ingår i: Am J Physiol Regul Integr Comp Physiol. - : American Physiological Society. - 0363-6119. ; 290:2
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Tidskriftsartikel (refereegranskat)abstract
- After birth, constriction of the full-term ductus arteriosus induces oxygen, glucose and ATP depletion, cell death, and anatomic remodeling of the ductus wall. The immature ductus frequently fails to develop the same degree of constriction or anatomic remodeling after birth. In addition, the immature ductus loses its ability to respond to vasoconstrictive agents, like oxygen or indomethacin, with increasing postnatal age. We examined the effects of premature delivery and postnatal constriction on the immature baboon ductus arteriosus. By 6 days after birth, surrogate markers of hypoxia (HIF1alpha/VEGF mRNA) and cell death [dUTP nick-end labeling (TUNEL)-staining] increased, while glucose and ATP concentrations (bioluminescence imaging) decreased in the immature ductus. TUNEL-staining was significantly related to the degree of glucose and ATP depletion. Glucose and ATP depletion were directly related to the degree of ductus constriction; while TUNEL-staining was logarithmically related to the degree of ductus constriction. Extensive cell death (>15% TUNEL-positive cells) occurred only when there was no Doppler flow through the ductus lumen. In contrast, HIF1alpha/VEGF expression and ATP concentrations were significantly altered even when the immature ductus remained open after birth. Decreased ATP concentrations produced decreased oxygen-induced contractile responses in the immature ductus. We hypothesize that ATP depletion in the persistently patent immature newborn ductus is insufficient to induce cell death and remodeling but sufficient to decrease its ability to constrict after birth. This may explain its decreasing contractile response to oxygen, indomethacin, and other contractile agents with increasing postnatal age.
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| 8. |
- Pemberton, Nils, et al.
(författare)
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Cycloaddition of 2-thiazolines and acyl ketenes under acidic conditions results in bicyclic 1,3-oxazinones and not 6-acylpenams as earlier reported
- 2005
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Ingår i: Organic Letters. - Washington, D.C. : American Chemical Society. - 1523-7060 .- 1523-7052. ; 7:6, s. 1019-1021
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Tidskriftsartikel (refereegranskat)abstract
- Optically active 2-thiazolines 4 were previously reported to react with acyl Meldrum's acid derivatives 5 under acidic conditions (HCl (g) in benzene) to stereoselectively give 6-acylpenams 1. Recently we have discovered that the structure elucidation of these compounds was incorrect. Thus, we report new data showing that instead of acyl -lactams, the optically active isomers 3R,9R-1,3-oxazinones 3a-g are obtained stereoselectively in 38-93% yields.
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