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- Bassler, M, et al.
(författare)
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Beam line 1411 at MAX II - performance and first results
- 2001
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Ingår i: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT. - : ELSEVIER SCIENCE BV. - 0168-9002. ; 469:3, s. 382-393
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Tidskriftsartikel (refereegranskat)abstract
- We report on the characteristics and first results from the soft X-ray beam line I411, based on an undulator at the third generation synchrotron facility MAX II, Sweden. The beam line is designed for high-resolution, angle-resolved electron spectroscopy o
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- Bassler, M, et al.
(författare)
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Soft X-ray undulator beam line I411 at MAX-II for gases, liquids and solid samples
- 1999
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Ingår i: JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA. - : ELSEVIER SCIENCE BV. - 0368-2048. ; 103, s. 953-957
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- We report on the build-up of the new undulator beam line I411 at the third-generation synchrotron radiation facility MAX II in Lund, Sweden. This beam line is based on an upgraded version of the modified SX700-monochromator and the end station which were
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- Bottiger, Y, et al.
(författare)
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Lamotrigine drug interactions in a TDM material
- 1999
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Ingår i: Therapeutic drug monitoring. - : Ovid Technologies (Wolters Kluwer Health). - 0163-4356. ; 21:2, s. 171-174
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Tidskriftsartikel (refereegranskat)
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- Cheng, Ran, et al.
(författare)
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In Vitro and in Vivo Evaluation of C-11-Labeled Azetidinecarboxylates for Imaging Monoacylglycerol Lipase by PET Imaging Studies
- 2018
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Ingår i: Journal of Medicinal Chemistry. - : American Chemical Society (ACS). - 0022-2623 .- 1520-4804. ; 61:6, s. 2278-2291
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Tidskriftsartikel (refereegranskat)abstract
- Monoacylglycerol lipase (MAGL) is the principle enzyme for metabolizing endogenous cannabinoid ligand 2-arachidonoyglycerol (2-AG). Blockade of MAGL increases 2-AG levels, resulting in subsequent activation of the endocannabinoid system, and has emerged as a novel therapeutic strategy to treat drug addiction, inflammation, and neurodegenerative diseases. Herein we report a new series of MAGL inhibitors, which were radiolabeled by site-specific labeling technologies, including C-11-carbonylation and spirocyclic iodonium ylide (SCIDY) radio fluorination. The lead compound [C-11]10 (MAGL-0519) demonstrated high specific binding and selectivity in vitro and in vivo. We also observed unexpected washout kinetics with these irreversible radiotracers, in which in vivo evidence for turnover of the covalent residue was unveiled between MAGL and azetidine carboxylates. This work may lead to new directions for drug discovery and PET tracer development based on azetidine carboxylate inhibitor scaffold.
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- Dalgard, F, et al.
(författare)
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Self-reported skin morbidity among adults: Associations with quality of life and general health in a Norwegian survey
- 2004
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Ingår i: Journal of Investigative Dermatology Symposium Proceedings. - : Elsevier BV. - 1529-1774 .- 1087-0024. ; 9:2, s. 120-125
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Tidskriftsartikel (refereegranskat)abstract
- Life-quality studies among dermatologic patients have shown that chronic skin diseases have an impact on patients' lives. The purpose of this study was to assess the burden of skin morbidity at a community level. This was presented as prevalence of self-reported skin morbidity and dermatologic life-quality items. The association of skin disease and general health measures like feeling depressed and self-reported general health were measured. The method used was a questionnaire on self-reported skin complaints, including variables such as demographic, psychosocial, general health, dermatologic life-quality items. The design of the study was cross-sectional, with answers from 18,770 adult responders. The results confirmed that skin morbidity is common; itch was the dominating symptom. Younger adults reported more social problems as a result of skin problems than older. The life-quality domain most affected by skin disease was the social one. In a regression model skin disease was as well as rheumatism more strongly associated with feeling depressed than asthma, diabetes, and angina pectoris. Skin disease was also strongly associated with reporting poor general health, although less than other nondermatologic chronic diseases. In conclusion, in this study skin morbidity was strongly associated with general health measures among adults in a population-based setting. To the best of our knowledge these associations have not been described previously at a community level.
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- Lindemalm, S, et al.
(författare)
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Transfer of buprenorphine into breast milk and calculation of infant drug dose
- 2009
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Ingår i: Journal of human lactation : official journal of International Lactation Consultant Association. - : SAGE Publications. - 0890-3344. ; 25:2, s. 199-205
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Tidskriftsartikel (refereegranskat)abstract
- Little is known about the safety of buprenorphine (BUP) in breastfeeding. The aim of this work was to investigate the transfer of buprenorphine and its main active metabolite, norbuprenorphine (n-BUP), into human milk and to determine the drug dose and effects in exposed infants. Seven lactating women, who were maintained on BUP treatment because of previous opiate addiction, were studied in an open observational study. All mothers had a strong wish to breastfeed their newborn infants. Buprenorphine samples for analysis were collected from the urine of 6 infants together with breast milk, blood, and urine from their mothers during a 24-hour period in the week after birth. One mother-infant pair was studied at 9 months of age. Buprenorphine and n-BUP were analyzed by a liquid chromatography/mass spectrometry method suitable for handling different matrices. Buprenorphine and n-BUP were found in low levels in the infants' urine. Breastfed infants were exposed to a calculated BUP dose per kg bodyweight less than 1%, with an average milk/plasma area under the curve of 1.7 (range, 1.1-2.8) for BUP and 0.7 (range, 0.4-1.2) for n-BUP. These data support the use of BUP during breastfeeding. However, the authors recommend that infants be monitored closely. J Hum Lact. 25(2):199-205.
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- Oku, T, et al.
(författare)
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Modulated structure of Ag2SnO3 studied by high-resolution electron microscopy
- 2000
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Ingår i: Acta Crystallographica. Section B: Structural Science. - 0108-7681. ; 56:3, s. 363-368
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Tidskriftsartikel (refereegranskat)abstract
- The modulated structure of Ag2SnO3, disilver tin trioxide, was investigated by high-resolution electron microscopy and electron diffraction along four different directions. Electron diffraction showed an incommensurate one-dimensional modulated structure with a modulation wavevector of 1/6.4a*. High-resolution images showed a large number of superstructure domains with the size range 10-100 nm and orientations related by hexagonal rotation. The modulation was determined to be displacements along the c axis of the Ag atoms both in octahedral and linear coordination. An approximate structure model with a commensurate sixfold superstructure, with an orthorhombic cell (P2(1)2(1)2(1), a = 2.922, b = 1.267, c = 0.562 nm), is proposed. Calculated images and electron diffraction patterns, based on this model, agree well with experimental observations.
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- Siversson, Carl, et al.
(författare)
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Effects of B(1) inhomogeneity correction for three-dimensional variable flip angle T(1) measurements in hip dGEMRIC at 3 T and 1.5 T.
- 2012
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Ingår i: Magnetic Resonance in Medicine. - : Wiley. - 1522-2594 .- 0740-3194. ; 67:6, s. 1776-1781
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Tidskriftsartikel (refereegranskat)abstract
- Delayed gadolinium-enhanced MRI of cartilage is a technique for studying the development of osteoarthritis using quantitative T(1) measurements. Three-dimensional variable flip angle is a promising method for performing such measurements rapidly, by using two successive spoiled gradient echo sequences with different excitation pulse flip angles. However, the three-dimensional variable flip angle method is very sensitive to inhomogeneities in the transmitted B(1) field in vivo. In this study, a method for correcting for such inhomogeneities, using an additional B(1) mapping spin-echo sequence, was evaluated. Phantom studies concluded that three-dimensional variable flip angle with B(1) correction calculates accurate T(1) values also in areas with high B(1) deviation. Retrospective analysis of in vivo hip delayed gadolinium-enhanced MRI of cartilage data from 40 subjects showed the difference between three-dimensional variable flip angle with and without B(1) correction to be generally two to three times higher at 3 T than at 1.5 T. In conclusion, the B(1) variations should always be taken into account, both at 1.5 T and at 3 T. Magn Reson Med, 2011. © 2011 Wiley-Liss, Inc.
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