| 1. |
- Lindstrom, B., et al.
(författare)
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Combined multimode and singlemode fiber
- 2002
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Ingår i: Optical Fiber Communication Conference and Exhibit. ; , s. 628-629
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Konferensbidrag (refereegranskat)abstract
- A future proof combined MM- and SM-fiber is presented, which combines the advantages of both fiber types and makes upgrading and downgrading cheap and simple.
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| 2. |
- Janosik, Tomasz, et al.
(författare)
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Synthetic, spectroscopic, and X-ray crystallographic studies of [1,2,7,8]tetrathiacyclododecino[4,3-b : 5,6-b': 10,9-b": 11,12-b''']tetraindoles
- 2002
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Ingår i: European Journal of Organic Chemistry. - 1434-193X .- 1099-0690. ; :8, s. 1392-1396
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Tidskriftsartikel (refereegranskat)abstract
- Two conformationally different [1,2,7,8]tetrathiacyclododecino[4,3-b:5,6-b':10,9-b":11,12-b''']tetraind oles 9a and 9b have been isolated in good yields, and the existence of a third conformer 9c in solution was demonstrated by mass spectrometry and H-1 NMR spectroscopy. The interconversions of the tetraindoles 9a-c have also been studied. The conformation of 9b was confirmed by X-ray crystallography, while the conformations of 9a and 9b were assigned on the basis of spectroscopic data, and were also supported by molecular modelling studies. In addition, the elusive dithiin 3 was isolated and the structure was proven by X-ray crystallography.
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| 3. |
- Lorenz, Matthias W., et al.
(författare)
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Individual progression of carotid intima media thickness as a surrogate for vascular risk (PROG-IMT): Rationale and design of a meta-analysis project
- 2010
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Ingår i: American Heart Journal. - : Elsevier BV. - 1097-6744 .- 0002-8703. ; 159:5, s. 25-730
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Tidskriftsartikel (refereegranskat)abstract
- Carotid intima media thickness (IMT) progression is increasingly used as a surrogate for vascular risk. This use is supported by data from a few clinical trials investigating statins, but established criteria of surrogacy are only partially fulfilled. To provide a valid basis for the use of IMT progression as a study end point, we are performing a 3-step meta-analysis project based on individual participant data. Objectives of the 3 successive stages are to investigate (1) whether IMT progression prospectively predicts myocardial infarction, stroke, or death in population-based samples; (2) whether it does so in prevalent disease cohorts; and (3) whether interventions affecting IMT progression predict a therapeutic effect on clinical end points. Recruitment strategies, inclusion criteria, and estimates of the expected numbers of eligible studies are presented along with a detailed analysis plan. (Am Heart J 2010; 159: 730-736.e2.)
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| 4. |
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| 5. |
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| 6. |
- Janosik, Tomasz, et al.
(författare)
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Sulfur-rich heterocycles from 2-metalated benzo[b]thiophene and benzo[b]furan : Synthesis and structure
- 2002
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Ingår i: Journal of Organic Chemistry. - : American Chemical Society (ACS). - 0022-3263 .- 1520-6904. ; 67:17, s. 6220-6223
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Tidskriftsartikel (refereegranskat)abstract
- The reaction of 2-lithiated benzo[b]thiophene with 8 equiv of elemental sulfur was found to give pentathiepino[6,7-b]benzo[d]thiophene. In contrast, treatment of 2-lithiated benzo[b]furan with sulfur under similar conditions produced the interesting ring system bis(benzo[4,5]-furo)[2,3-e:3',2'-g][1,2,3,4]tetrathiocine. Both of these new cyclic polysulfides were studied by X-ray crystallography. Two polymorphic forms of pentathiepino[6,7-b]benzo[d]thiophene were found, displaying similar conformations but different packing schemes, which was also evident from powder diffraction data.
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| 7. |
- Janosik, T, et al.
(författare)
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Synthetic, spectroscopic, and X-ray crystallographic studies of [1,2,7,8]tetrathiacyclododecino[4,3-b : 5,6-b': 10,9-b": 11,12-b''']tetraindoles
- 2002
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Ingår i: EUROPEAN JOURNAL OF ORGANIC CHEMISTRY. - 1434-193X. ; 2002:8, s. 1392-1396
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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| 8. |
- Janosik, Tomasz, et al.
(författare)
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Synthetic, spectroscopic, and X-ray crystallographic studies of [1,2,7,8]tetrathiacyclododecino[4,3-b : 5,6-b': 10,9-b": 11,12-b''']tetraindoles
- 2002
-
Ingår i: European Journal of Organic Chemistry. - 1434-193X. ; :8, s. 1392-1396
-
Tidskriftsartikel (refereegranskat)abstract
- Two conformationally different [1,2,7,8]tetrathiacyclododecino[4,3-b:5,6-b':10,9-b":11,12-b''']tetraind oles 9a and 9b have been isolated in good yields, and the existence of a third conformer 9c in solution was demonstrated by mass spectrometry and H-1 NMR spectroscopy. The interconversions of the tetraindoles 9a-c have also been studied. The conformation of 9b was confirmed by X-ray crystallography, while the conformations of 9a and 9b were assigned on the basis of spectroscopic data, and were also supported by molecular modelling studies. In addition, the elusive dithiin 3 was isolated and the structure was proven by X-ray crystallography. ((C) Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002).
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| 9. |
- Norberg, B., et al.
(författare)
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Photoperiod regulates the timing of sexual maturation, spawning, sex steroid and thyroid hormone profiles in the Atlantic cod (Gadus morhua)
- 2004
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Ingår i: Aquaculture. - 0044-8486. ; 229:1-4, s. 451-467
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Tidskriftsartikel (refereegranskat)abstract
- Atlantic cod of both sexes were held under four different photoperiod regimes from age I year until second sexual maturation at 3 years. Annual photoperiod cycles were compressed into 6 or 9 months, held at 12 months, or extended to 18 months, in each case followed by one 12-month cycle (termed 6 + 12, 9 + 12, 12 + 12, and 18 + 12, respectively). Photoperiod alterations caused shifts in the cyclic patterns of plasma calcium, sex steroid, and thyroid hormones, and also produced correlative changes in the timing of spawning. Initial spawning was advanced in the compressed (6 + 12) photoperiod group, followed by further advancement in the timing of the second spawning. Conversely, spawning was delayed in the 18 + 12 group. Patterns in circulating hormones observed under these experimental conditions were consistent with the coupling of photoperiod to spawning by way of established endocrine transducers. These results demonstrate that manipulation of the annual photoperiod cycle is a powerful hatchery technique in the maintenance of reproductive stocks of Atlantic cod that spawn at various times of the year. (C) 2004 Elsevier Science B.V. All rights reserved.
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| 10. |
- Rehn, Stanley, et al.
(författare)
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The three-component reaction between isatin, alpha-amino acids, and dipolarophiles
- 2004
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Ingår i: European Journal of Organic Chemistry. - : Wiley. - 1434-193X .- 1099-0690. ; :2, s. 413-418
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Tidskriftsartikel (refereegranskat)abstract
- 3-Spiro[pyrrolidino-oxindoles] were prepared in high yields from a three-component reaction between isatin, an alpha-amino acid, and a dipolarophile. Both N-substituted and N-unsubstituted alpha-amino acids were used as the amine component.
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