{"id":241,"date":"2012-04-10T16:25:03","date_gmt":"2012-04-10T16:25:03","guid":{"rendered":"https:\/\/wordpress.clarku.edu\/debrobertson\/?page_id=241"},"modified":"2012-05-23T17:19:23","modified_gmt":"2012-05-23T17:19:23","slug":"transfer-to-nitrocellulose-and-alkaline-phosphatase-detection-owl","status":"publish","type":"page","link":"https:\/\/wordpress.clarku.edu\/debrobertson\/laboratory-protocols\/transfer-to-nitrocellulose-and-alkaline-phosphatase-detection-owl\/","title":{"rendered":"Transfer to nitrocellulose and alkaline phosphatase detection (OWL)"},"content":{"rendered":"<h2>Western Blotting Protocol<\/h2>\n<p>This protocol is designed for transferring proteins using the\u00a0<strong>OWL Transblot.<\/strong><\/p>\n<p>1. Chill transfer buffer at -20 \u00b0 C for at least one hour before use.<\/p>\n<p>2. Soak gel, transfer pads, and Whatman 3MM paper in transfer buffer for 30-60 min at 4\u00b0C.<\/p>\n<p>3. Assemble the following in the cassette starting on black side: pad, filter, gel, pre-wetted nitrocellulose (NC), filter, pad. Ensure there are no air bubbles.<\/p>\n<p>4. Fill transfer assemble 3\/4 full with transfer buffer. Insert transfer cassettes. Run at constant 150 mA\u00a0 for 1.25 h<\/p>\n<p>5. Remove NC filter. Place in petri dish.. Add 10- 20 mL Blotto buffer. Shake 1 h at RT\u00a0 (Can be left O\/N at 4\u00b0C).<\/p>\n<p>6. Discard blotto. Wash once with 20 mL PBS-TWEEN.<\/p>\n<p>7. Add 10 &#8211; 20 mL blotto and 10-20 \u00b5L of antiserum (1:1000 dilution; this is a good starting place but the dilution value must be determined empirically for each antiserum). Incubate 1 h at RT or O\/N at 4\u00b0C.<\/p>\n<p>8. Remove blotto and antiserum. Add sodium azide to 0.02%. Store diluted antiserum at 4\u00b0C.<\/p>\n<p>9. Wash filter with 20 mL PBS-TWEEN for 15&#8242;. Repeat for total of 3 times<\/p>\n<p>10. Add 10 mL blotto and 10 \u00b5L of goat anti-rabbit-AP (Fisher). Incubate 1h at RT.<\/p>\n<p>11. Repeat #9.<\/p>\n<p>12. Rinse with 1xPBS. Then soak in 10 mL 1x alkaline phosphatase buffer for 15&#8242;.<\/p>\n<p>13. Immediately before (&lt;30 min) color development mix:<\/p>\n<p>&nbsp;<\/p>\n<p><center>10 mL AP buffer + 66 \u00b5L NBT + 33 \u00b5L BCIP<\/center>&nbsp;<\/p>\n<p>14. Develop blot until desired intensity is achieved.<\/p>\n<p>15. Stop in STOP buffer for 15 min. Then place in water O\/N.<\/p>\n<p>16. Air dry, keep out of bright light.<\/p>\n<p>&nbsp;<\/p>\n<p><center><strong>BUFFERS FOR WESTERNS<\/strong><\/center>&nbsp;<\/p>\n<p>COLOR DEVELOPMENT:<\/p>\n<p><strong>Alkaline phosphatase buffer:<\/strong><\/p>\n<blockquote><p>100 mM Tris-Cl pH 9.5<\/p>\n<p>100 mM NaCl<\/p>\n<p>5 mM MgCl2<\/p><\/blockquote>\n<p><strong>Stop buffer:<\/strong><\/p>\n<blockquote><p>10 mM Tris-Cl, pH 6.0<\/p>\n<p>5 mM EDTA<\/p><\/blockquote>\n<p><strong>NBT: (nitroblue tetrazolium)<\/strong><\/p>\n<blockquote><p>50 mg\/mL in 70% N:N,-dimethyl formamide<\/p><\/blockquote>\n<p><strong>BCIP: (5-bromo-4-chloro-3-indolyl phosphate)<\/strong><\/p>\n<blockquote><p>50 mg\/mL in 100% formamide<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Western Blotting Protocol This protocol is designed for transferring proteins using the\u00a0OWL Transblot. 1. Chill transfer buffer at -20 \u00b0 C for at least one hour before use. 2. Soak gel, transfer pads, and Whatman 3MM paper in transfer buffer &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"more-link\" href=\"https:\/\/wordpress.clarku.edu\/debrobertson\/laboratory-protocols\/transfer-to-nitrocellulose-and-alkaline-phosphatase-detection-owl\/\"> <span class=\"screen-reader-text\">Transfer to nitrocellulose and alkaline phosphatase detection (OWL)<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":72,"featured_media":0,"parent":8,"menu_order":45,"comment_status":"closed","ping_status":"closed","template":"onecolumn-page.php","meta":{"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-241","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/wordpress.clarku.edu\/debrobertson\/wp-json\/wp\/v2\/pages\/241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.clarku.edu\/debrobertson\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/wordpress.clarku.edu\/debrobertson\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.clarku.edu\/debrobertson\/wp-json\/wp\/v2\/users\/72"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.clarku.edu\/debrobertson\/wp-json\/wp\/v2\/comments?post=241"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.clarku.edu\/debrobertson\/wp-json\/wp\/v2\/pages\/241\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/wordpress.clarku.edu\/debrobertson\/wp-json\/wp\/v2\/pages\/8"}],"wp:attachment":[{"href":"https:\/\/wordpress.clarku.edu\/debrobertson\/wp-json\/wp\/v2\/media?parent=241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}