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TBS-T-Puffer
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
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TBS-T-Puffer (englisch Tris-buffered saline with Tween20, TBST) ist ein in der Biochemie zur LΓΆsung von AntikΓΆrpern und Immunkonjugaten verwendeter Puffer.
Contents
β’ Eigenschaften
β’ Einzelnachweise
ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββ
Eigenschaften
TBS-T-Puffer basiert auf dem TBS-Puffer und wird zur Untersuchung der Bindung und zur Lagerung von AntikΓΆrpern sowie zur Immundetektion verwendet, darunter im Western Blot, im ELISA, im ELISPOT, in der Immunfluoreszenz und in der Immunhistochemie. TBS-T-Puffer besteht meistens aus 10 β 50 mM TRIS als Puffersubstanz, 150 mM Natriumchlorid fΓΌr eine physiologische IonenstΓ€rke und als Tensid 0,05 % (m/V) Tween 20,cite-ref-books-2xi9glcln2oc-99-1-0[1] gelegentlich stattdessen auch 0,1 % (m/V) Triton X-100.cite-ref-books-3dnmdjwco6yc-473-2-0[2] Der pH-Wert wird je nach Protokoll mit verdΓΌnnter SalzsΓ€ure auf 7,2 bis 7,6 eingestellt.cite-ref-books-2xi9glcln2oc-99-1-1[1]cite-ref-books-meqjqc92esgc-411-3-0[3] Das enthaltene Tensid mindert unspezifische Wechselwirkungen bei einer Verwendung der AntikΓΆrper oder Immunkonjugate, wodurch eine geringere FΓ€rbung des Hintergrunds entsteht. Triton X-100 kann in nachfolgenden UV-basierten Nachweisen stΓΆren.
Einzelnachweise
cite-note-books-2xi9glcln2oc-99-11. β Academic Press: Antibodies in Cell Biology. Academic Press, 1993, ISBN 978-0-080-85935-4, S. 99.
cite-note-books-3dnmdjwco6yc-473-22. β M. A. Hayat: Handbook of Immunohistochemistry and in Situ Hybridization of Human Carcinomas. Academic Press, 2005, ISBN 978-0-080-49520-0, S. 473.
cite-note-books-meqjqc92esgc-411-33. β John Pound: Immunochemical Protocols. Springer Science & Business Media, 1998, ISBN 978-1-592-59257-9, S. 411.