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13 results on '"Heßler N"'

1. Absence of Epstein-Barr virus seronegativity in a large cohort of patients with early multiple sclerosis

Author

Abrahamyan, S., Eberspaecher, B., Ambrosius, B., Hessler, N., Antony, G., Koenig, I. R., Hoshi, M. -M., Aly, L., Luessi, F., Groppa, S., Klotz, L., Meuth, S. G., Tackenberg, B., Stoppe, M., Bergh, F. Then, Tumani, H., Kuempfel, T., Stangel, M., Heesen, C., Wildemann, B., Paul, F., Bayas, A., Warnke, C., Weber, F., Linker, R. A., Ziemann, U., Zettl, U. K., Zipp, F., Wiendl, H., Hemmer, B., Gold, R., Salmen, A., Ruprecht, K., Abrahamyan, S., Eberspaecher, B., Ambrosius, B., Hessler, N., Antony, G., Koenig, I. R., Hoshi, M. -M., Aly, L., Luessi, F., Groppa, S., Klotz, L., Meuth, S. G., Tackenberg, B., Stoppe, M., Bergh, F. Then, Tumani, H., Kuempfel, T., Stangel, M., Heesen, C., Wildemann, B., Paul, F., Bayas, A., Warnke, C., Weber, F., Linker, R. A., Ziemann, U., Zettl, U. K., Zipp, F., Wiendl, H., Hemmer, B., Gold, R., Salmen, A., and Ruprecht, K.

Published
2018

2. Changes of disease characteristics and disease-modifying treatment within one year in the National German MS cohort

Author

Ambrosius, B., Hessler, N., Antony, G., Konig, I. R., Hoshi, M-M., Aly, L., Luessi, F., Groppa, S., Klotz, L., Meuth, S. G., Tackenberg, B., Stoppe, M., Bergh, F. Then, Tumani, H., Kuempfel, T., Stangel, M., Heesen, C., Wildemann, B., Paul, F., Bayas, A., Warnke, C., Weber, F., Linker, R. A., Ziemann, U., Zettl, U. K., Zipp, F., Wiendl, H., Hemmer, B., Gold, R., Salmen, A., Ambrosius, B., Hessler, N., Antony, G., Konig, I. R., Hoshi, M-M., Aly, L., Luessi, F., Groppa, S., Klotz, L., Meuth, S. G., Tackenberg, B., Stoppe, M., Bergh, F. Then, Tumani, H., Kuempfel, T., Stangel, M., Heesen, C., Wildemann, B., Paul, F., Bayas, A., Warnke, C., Weber, F., Linker, R. A., Ziemann, U., Zettl, U. K., Zipp, F., Wiendl, H., Hemmer, B., Gold, R., and Salmen, A.

Published
2018

3. Absence of Epstein-Barr virus seronegativity in a large cohort of patients with early multiple sclerosis

Author

Abrahamyan, S., Eberspaecher, B., Ambrosius, B., Hessler, N., Antony, G., Koenig, I. R., Hoshi, M. -M., Aly, L., Luessi, F., Groppa, S., Klotz, L., Meuth, S. G., Tackenberg, B., Stoppe, M., Bergh, F. Then, Tumani, H., Kuempfel, T., Stangel, M., Heesen, C., Wildemann, B., Paul, F., Bayas, A., Warnke, C., Weber, F., Linker, R. A., Ziemann, U., Zettl, U. K., Zipp, F., Wiendl, H., Hemmer, B., Gold, R., Salmen, A., Ruprecht, K., Abrahamyan, S., Eberspaecher, B., Ambrosius, B., Hessler, N., Antony, G., Koenig, I. R., Hoshi, M. -M., Aly, L., Luessi, F., Groppa, S., Klotz, L., Meuth, S. G., Tackenberg, B., Stoppe, M., Bergh, F. Then, Tumani, H., Kuempfel, T., Stangel, M., Heesen, C., Wildemann, B., Paul, F., Bayas, A., Warnke, C., Weber, F., Linker, R. A., Ziemann, U., Zettl, U. K., Zipp, F., Wiendl, H., Hemmer, B., Gold, R., Salmen, A., and Ruprecht, K.

Published
2018

4. Changes of disease characteristics and disease-modifying treatment within one year in the National German MS cohort

Author

Ambrosius, B., Hessler, N., Antony, G., Konig, I. R., Hoshi, M-M., Aly, L., Luessi, F., Groppa, S., Klotz, L., Meuth, S. G., Tackenberg, B., Stoppe, M., Bergh, F. Then, Tumani, H., Kuempfel, T., Stangel, M., Heesen, C., Wildemann, B., Paul, F., Bayas, A., Warnke, C., Weber, F., Linker, R. A., Ziemann, U., Zettl, U. K., Zipp, F., Wiendl, H., Hemmer, B., Gold, R., Salmen, A., Ambrosius, B., Hessler, N., Antony, G., Konig, I. R., Hoshi, M-M., Aly, L., Luessi, F., Groppa, S., Klotz, L., Meuth, S. G., Tackenberg, B., Stoppe, M., Bergh, F. Then, Tumani, H., Kuempfel, T., Stangel, M., Heesen, C., Wildemann, B., Paul, F., Bayas, A., Warnke, C., Weber, F., Linker, R. A., Ziemann, U., Zettl, U. K., Zipp, F., Wiendl, H., Hemmer, B., Gold, R., and Salmen, A.

Published
2018

5. KIDNEY TRANSPLANT SURVIVAL IN PATIENTS WITH PREFORMED DONOR-SPECIFIC HLA ANTIBODIES (DSA) IN SOLID-PHASE ASSAYS - RESULTS OF A MULTICENTER STUDY FROM 18 GERMAN TRANSPLANT CENTERS

Author

Ziemann, M., Altermann, W., Angert, K., Arns, W., Bachmann, A., Bakchoul, T., Banas, B., von Borstel, A., Budde, K., Ditt, V., Einecke, G., Eisenberger, U., Feldkamp, T., Guthoff, M., Habicht, A., Hallensleben, M., Heinemann, F. M., Hessler, N., Hugo, C., Kaufmann, M., Kauke, T., Koch, M., Koenig, I., Kurschat, C., Lehmann, C., Marget, M., Muehlfeld, A., Nitschke, M., da Silva, L. Pego, Quick, C., Rahmel, A., Rath, T., Reinke, P., Renders, L., Sommer, F., Spriewald, B., Staeck, O., Stippel, D., Suesal, C., Thiele, B., Zecher, D., Lachmann, N., Ziemann, M., Altermann, W., Angert, K., Arns, W., Bachmann, A., Bakchoul, T., Banas, B., von Borstel, A., Budde, K., Ditt, V., Einecke, G., Eisenberger, U., Feldkamp, T., Guthoff, M., Habicht, A., Hallensleben, M., Heinemann, F. M., Hessler, N., Hugo, C., Kaufmann, M., Kauke, T., Koch, M., Koenig, I., Kurschat, C., Lehmann, C., Marget, M., Muehlfeld, A., Nitschke, M., da Silva, L. Pego, Quick, C., Rahmel, A., Rath, T., Reinke, P., Renders, L., Sommer, F., Spriewald, B., Staeck, O., Stippel, D., Suesal, C., Thiele, B., Zecher, D., and Lachmann, N.

Published
2018

8. In situ tunability of bacteria produced cellulose by additives in the culture media

Author

Khandelwal, Mudrika, Windle, A H, Hessler, N, Khandelwal, Mudrika, Windle, A H, and Hessler, N

Abstract

Bacterial cellulose offers several advantages over other celluloses not only in terms of purity and properties but also because it allows modifications during synthesis (in situ modification). This possibility has been explored in this paper to tune bacterial cellulose in terms of cellulose microfibril dimensions, branching, crystallinity, crystallite size and porosity. It has been shown that modifiers can be added to the bacterial cell culture medium to obtain these variations during the cellulose biosynthesis. The effects of four of the several possible modifiers have been reported, namely calcofluor (dye used for cellulose), carboxy methyl cellulose (cellulose derivative), polyethylene glycol and nalidixic acid (antibiotic). Crystallinity was found to decrease from over 80 % for unmodified cellulose to about 50 % for that modified by calcofluor. The crystallite size also decreases, but to different extents along the different crystal directions, on modifications. The microfibril dimensions were found to decrease from 65 nm in case of unmodified cellulose to about 30 nm in case of carboxy methyl cellulose modification. The cellulose modified with polyethylene glycol does not show much change in crystallinity, crystallite size and microfibril dimension. Porosity was also found to decrease in all cases except that modified by polyethylene glycol where it increased from 79 to over 110 m2/g. All these observations are explained on the basis of the effect of modifier on cellulose polymerization and assembly.

Published
2016

9. In situ tunability of bacteria produced cellulose by additives in the culture media

Author

Khandelwal, Mudrika, Windle, A H, Hessler, N, Khandelwal, Mudrika, Windle, A H, and Hessler, N

Abstract

Bacterial cellulose offers several advantages over other celluloses not only in terms of purity and properties but also because it allows modifications during synthesis (in situ modification). This possibility has been explored in this paper to tune bacterial cellulose in terms of cellulose microfibril dimensions, branching, crystallinity, crystallite size and porosity. It has been shown that modifiers can be added to the bacterial cell culture medium to obtain these variations during the cellulose biosynthesis. The effects of four of the several possible modifiers have been reported, namely calcofluor (dye used for cellulose), carboxy methyl cellulose (cellulose derivative), polyethylene glycol and nalidixic acid (antibiotic). Crystallinity was found to decrease from over 80 % for unmodified cellulose to about 50 % for that modified by calcofluor. The crystallite size also decreases, but to different extents along the different crystal directions, on modifications. The microfibril dimensions were found to decrease from 65 nm in case of unmodified cellulose to about 30 nm in case of carboxy methyl cellulose modification. The cellulose modified with polyethylene glycol does not show much change in crystallinity, crystallite size and microfibril dimension. Porosity was also found to decrease in all cases except that modified by polyethylene glycol where it increased from 79 to over 110 m2/g. All these observations are explained on the basis of the effect of modifier on cellulose polymerization and assembly.

Published
2016

10. In situ tunability of bacteria produced cellulose by additives in the culture media

Author

Khandelwal, Mudrika, Windle, A H, Hessler, N, Khandelwal, Mudrika, Windle, A H, and Hessler, N

Abstract

Bacterial cellulose offers several advantages over other celluloses not only in terms of purity and properties but also because it allows modifications during synthesis (in situ modification). This possibility has been explored in this paper to tune bacterial cellulose in terms of cellulose microfibril dimensions, branching, crystallinity, crystallite size and porosity. It has been shown that modifiers can be added to the bacterial cell culture medium to obtain these variations during the cellulose biosynthesis. The effects of four of the several possible modifiers have been reported, namely calcofluor (dye used for cellulose), carboxy methyl cellulose (cellulose derivative), polyethylene glycol and nalidixic acid (antibiotic). Crystallinity was found to decrease from over 80 % for unmodified cellulose to about 50 % for that modified by calcofluor. The crystallite size also decreases, but to different extents along the different crystal directions, on modifications. The microfibril dimensions were found to decrease from 65 nm in case of unmodified cellulose to about 30 nm in case of carboxy methyl cellulose modification. The cellulose modified with polyethylene glycol does not show much change in crystallinity, crystallite size and microfibril dimension. Porosity was also found to decrease in all cases except that modified by polyethylene glycol where it increased from 79 to over 110 m2/g. All these observations are explained on the basis of the effect of modifier on cellulose polymerization and assembly.

Published
2016

11. In situ tunability of bacteria produced cellulose by additives in the culture media

Author

Khandelwal, Mudrika, Windle, A H, Hessler, N, Khandelwal, Mudrika, Windle, A H, and Hessler, N

Abstract

Bacterial cellulose offers several advantages over other celluloses not only in terms of purity and properties but also because it allows modifications during synthesis (in situ modification). This possibility has been explored in this paper to tune bacterial cellulose in terms of cellulose microfibril dimensions, branching, crystallinity, crystallite size and porosity. It has been shown that modifiers can be added to the bacterial cell culture medium to obtain these variations during the cellulose biosynthesis. The effects of four of the several possible modifiers have been reported, namely calcofluor (dye used for cellulose), carboxy methyl cellulose (cellulose derivative), polyethylene glycol and nalidixic acid (antibiotic). Crystallinity was found to decrease from over 80 % for unmodified cellulose to about 50 % for that modified by calcofluor. The crystallite size also decreases, but to different extents along the different crystal directions, on modifications. The microfibril dimensions were found to decrease from 65 nm in case of unmodified cellulose to about 30 nm in case of carboxy methyl cellulose modification. The cellulose modified with polyethylene glycol does not show much change in crystallinity, crystallite size and microfibril dimension. Porosity was also found to decrease in all cases except that modified by polyethylene glycol where it increased from 79 to over 110 m2/g. All these observations are explained on the basis of the effect of modifier on cellulose polymerization and assembly.

Published
2016

12. Linkage and Association Analyses of Carotid Intima Media Thickness for Common Genomic Variants: Results from the Bonn IMT Family Study and The Heinz Nixdorf Recall Study

Author

Hessler, N., Geise, M. H., I, Coassin, S., Moskau-Hartmannt, S., Nuernberg, G., Hennig, F., Bauer, M., Moehlenkamp, S., Mahabadi, A. A., Moebus, S., Erbel, R., Karl-Heinz, J., Hoffmann, B., Nuemberg, P., Klockgether, T., Kronenberg, F., Scherag, A., Ziegler, A., Hessler, N., Geise, M. H., I, Coassin, S., Moskau-Hartmannt, S., Nuernberg, G., Hennig, F., Bauer, M., Moehlenkamp, S., Mahabadi, A. A., Moebus, S., Erbel, R., Karl-Heinz, J., Hoffmann, B., Nuemberg, P., Klockgether, T., Kronenberg, F., Scherag, A., and Ziegler, A.

Published
2015

13. Linkage and Association Analyses of Carotid Intima Media Thickness for Common Genomic Variants: Results from the Bonn IMT Family Study and The Heinz Nixdorf Recall Study

Author

Hessler, N., Geise, M. H., I, Coassin, S., Moskau-Hartmannt, S., Nuernberg, G., Hennig, F., Bauer, M., Moehlenkamp, S., Mahabadi, A. A., Moebus, S., Erbel, R., Karl-Heinz, J., Hoffmann, B., Nuemberg, P., Klockgether, T., Kronenberg, F., Scherag, A., Ziegler, A., Hessler, N., Geise, M. H., I, Coassin, S., Moskau-Hartmannt, S., Nuernberg, G., Hennig, F., Bauer, M., Moehlenkamp, S., Mahabadi, A. A., Moebus, S., Erbel, R., Karl-Heinz, J., Hoffmann, B., Nuemberg, P., Klockgether, T., Kronenberg, F., Scherag, A., and Ziegler, A.

Published
2015

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