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992 results on '"Kresse, H."'

52. Dielectric studies of the 4-n-alkyl-4 '-thiocyanatobiphenyl (nBT) homologous series (n=2-10) in the isotropic and E phases

Author

Urban, S, Czuprynski, K, Dabrowski, R, Gestblom, B, Janik, J, Kresse, H, Schmalfuss, H, Urban, S, Czuprynski, K, Dabrowski, R, Gestblom, B, Janik, J, Kresse, H, and Schmalfuss, H

Abstract

Results of the dielectric studies of nine members of the nBT (4-n-alkyl-4-thiocyanatobiphenyl, n = 2-10) homologous series in the crystal E (E) and isotropic (I) phases are presented. The dependence of the static permittivity epsilon (s) in the isotropic, Addresses: Urban S, Jagiellonian Univ, Inst Phys, Reymonta 4, PL-30059 Krakow, Poland. Jagiellonian Univ, Inst Phys, PL-30059 Krakow, Poland. Mil Tech Acad, Inst Chem, PL-00908 Warsaw, Poland. Univ Uppsala, Inst Phys, S-75121 Uppsala, Sweden. Univ Halle W

Published
2001

53. Colocalization of a large heterodimeric proteoglycan with basement membrane proteins in cultured cells

Author

Faber V, Quentin-Hoffmann E, Breuer B, Johannes C. Schittny, Völker W, and Kresse H

Subjects
Cornea, Humans, Proteoglycans, Collagen, Endothelium, Vascular, Heparitin Sulfate, Laminin, Fibroblasts, Immunohistochemistry, Basement Membrane, Cells, Cultured, Heparan Sulfate Proteoglycans, Fibronectins
Abstract

A novel large heterodimeric dermatan sulfate proteoglycan with core proteins of 460 and 300 kDa, respectively, had been described as a secretory product of human fetal skin fibroblasts (Breuer et al., J. Biol. Chem. 266, 13224-13232 (1991)). Pulse-chase experiments showed a preferential association of the proteoglycan with the cell membrane. Immunogold labeling indicated its localization in fibrils on the cell surface as well as in fibrillar extensions from the cell body. Immunofluorescence studies yielded a fibrillar and punctate staining pattern which was also seen in cultured human and porcine endothelial cells. Dot-like structures were observed in transformed human keratinocytes. Various immunocytochemical double-labeling experiments indicated a remarkable colocalization of the proteoglycan with fibronectin, laminin, perlecan, and type IV collagen whereas only occasionally a colocalization with chondroitin-6-sulfate was found. No evidence for an enrichment of the proteoglycan in vinculin-containing structures was obtained. These results suggest that the proteoglycan is a widely distributed macromolecule which can associate with basement membrane components. Preliminary findings in rat cornea supported this conclusion.

Published
1992

54. Study of high frequency relaxation processes in three substances with the -CN groups at the lateral positions

Author

Urban, S, Gestblom, B, Dabrowski, R, Dziaduszek, J, Kresse, H, Urban, S, Gestblom, B, Dabrowski, R, Dziaduszek, J, and Kresse, H

Abstract

Three liquid crystalline (LC) substances with the cyano-groups attached at the lateral positions to the molecular cores were studied with the aid of dielectric spectroscopy methods. The high frequency relaxation process connected with the molecular reorie, Addresses: Urban S, Jagiellonian Univ, Inst Phys, Reymonta 4, PL-30059 Krakow, Poland. Jagiellonian Univ, Inst Phys, PL-30059 Krakow, Poland. Univ Uppsala, Inst Phys, S-75121 Uppsala, Sweden. Mil Univ Technol, Inst Chem, PL-00908 Warsaw, Poland. Univ Hall

Published
2000

59. Extracellular accumulation of small dermatan sulphate proteoglycan II by interference with the secretion-recapture pathway

Author

Schmidt, G, Hausser, H, and Kresse, H

Subjects
carbohydrates (lipids), Immunologic Techniques, Dermatan Sulfate, Humans, Proteoglycans, Collagen, In Vitro Techniques, Extracellular Space, Chondroitin, Cells, Cultured, Endocytosis, Research Article, Skin
Abstract

Human skin fibroblasts were metabolically labelled in the presence of affinity-purified antibodies against the core protein of small dermatan sulphate proteoglycan II. The treatment resulted in a dose- and time-dependent accumulation of this proteoglycan in the culture medium, with a 2-3-fold increase found within an experimental period of 4 h. The presence of antibodies was without influence on the rate of biosynthesis of the proteoglycan. However, proteoglycan-antibody complexes were inefficiently endocytosed. Addition of unlabelled proteoglycan, which served as a competitor for uptake, similarly led to an accumulation of newly formed [35S]sulphate-labelled proteoglycans. Proteoglycan accumulation also occurred as a consequence of its binding to collagen fibrils which were physically separated from the cell layer. Together, these results establish the quantitative importance of the secretion-recapture pathway of small dermatan sulphate proteoglycan II in cultured fibroblasts.

Published
1990

70. Dielectric characterization of substituted diols

Author

Gestblom, B, Kresse, H, Tschierske, C, Urban, S, Gestblom, B, Kresse, H, Tschierske, C, and Urban, S

Abstract

Dielectric properties of four diols having different chemical structures of the hydrophobic part were determined by the time domain spectroscopy method in the frequency range from c. 15 MHz to c. 7 GHz. The static permittivity clearly reflects the changes, Addresses: JAGIELLONIAN UNIV, INST PHYS, PL-30059 KRAKOW, POLAND. UNIV UPPSALA, DEPT PHYS, S-75121 UPPSALA, SWEDEN. UNIV HALLE WITTENBERG, DEPT CHEM, D-06108 HALLE, GERMANY.

Published
1997

71. Low-frequency dielectric relaxation in columnar hexagonal and micellar inverse cubic mesophases

Author

Kresse, H, Schmalfuss, H, Gestblom, B, Borisch, K, Tschierske, C, Kresse, H, Schmalfuss, H, Gestblom, B, Borisch, K, and Tschierske, C

Abstract

Dielectric measurements on four diols showing columnar hexagonal and micellar cubic phases were carried out. Besides the known fast local reorientation in the GHz-range, a new absorption in the MHz region was detected. This mechanism was interpreted as a, Addresses: Kresse H, UNIV HALLE WITTENBERG, INST PHYS CHEM, MUHLPFORTE 1, D-06108 HALLE, GERMANY. UNIV UPPSALA, INST PHYS, S-75121 UPPSALA, SWEDEN. UNIV HALLE WITTENBERG, INST ORGAN CHEM, D-06120 HALLE, GERMANY.

Published
1997

77. Dielectric relaxation studies of 4-n-alkyloxy-4'-cyanobiphenyls (nOCB, n=5 divided by 8)

Author

Urban, S, Gestblom, B, Kresse, H, Dabrowski, R, Urban, S, Gestblom, B, Kresse, H, and Dabrowski, R

Abstract

The results of dielectric relaxation studies of series of four n-alkyloxy cyanobiphenyl (nOCB) compounds with n ranging from 5 to 8 are presented. The complex dielectric permittivity, epsilon*(omega)=epsilon'(omega)-i'epsilon('')(omega), was measured in t, Addresses: Urban S, JAGIELLONIAN UNIV, INST PHYS, REYMONTA 4, PL-30059 KRAKOW, POLAND. UPPSALA UNIV, INST PHYS, UPPSALA, SWEDEN. UNIV HALLE WITTENBERG, INST PHYS CHEM, HALLE, GERMANY. MIL TECH ACAD, INST CHEM, WARSAW, POLAND.

Published
1996

84. Bitumina

Author

kaunert, P., Florian, E., Licence, A. B. C., Woitowa, E. W., Cságoly, J., Kresse, H., Holmes, A., Collins, J. O., Child, W. C., Mallison, H., Guchman, L., Tassalowa, S., Bruun, J. H., and Claffey, L. W.

Published
1937
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