{"id":305788,"date":"2022-09-20T13:42:06","date_gmt":"2022-09-20T12:42:06","guid":{"rendered":"https:\/\/www.deltamicroscopies.com\/?post_type=product&#038;p=305788"},"modified":"2022-09-23T08:58:35","modified_gmt":"2022-09-23T07:58:35","slug":"stain77-solution-contrastante","status":"publish","type":"product","link":"https:\/\/www.deltamicroscopies.com\/en\/products\/stain77-solution-contrastante\/","title":{"rendered":"Stain77 &#8211; Solution Contrastante"},"content":{"rendered":"<h2><\/h2>\n<ul>\n<li><strong>Stain77 est un contrastant tr\u00e8s faiblement toxique,\u00a0 \u00e0 base de sel de lithium et de tungsten (voir MSDS)<\/strong><\/li>\n<li><strong>doublement efficace pour contraste positif ou n\u00e9gatif<\/strong>.<\/li>\n<\/ul>\n<p>il n\u2019est pas sensible \u00e0 la lumi\u00e8re peux se conserver longtemps en temperature de labo (RT) (si vous noter une cristallisation avec le temps,\u00a0 filtrer ou centrifuger) le produit garde toutes ses qualit\u00e9s contrastante.<\/p>\n<p>son pH est stable<\/p>\n<p>Stain77 est une v\u00e9ritable alt\u00e9rative\u00a0 \u00e0 l\u2019acetate d\u2019uranyle pour le contraste des coupes et la coloration n\u00e9gative avec un pH voisin de 7 et non toxique pour les utilisateurs. Les resultats de contraste apr\u00e8s un renforcement au citrate de plomb, est \u00e9quivalent sinon superieurs \u00e0 l\u2019ac\u00e9tate d\u2019Uranyle.<\/p>\n<p><strong>il est d\u00e9clin\u00e9 en deux r\u00e9f\u00e9rences\u00a0 en deux volumes (30 et 200ml)<\/strong><\/p>\n<ul>\n<li>30 ml flacon AirLess , goutte \u00e0 goutte pour vos colorations manuelles<\/li>\n<li>200 ml pour Automate\u00a0<a href=\"https:\/\/www.leica-microsystems.com\/fr\/produits\/preparation-dechantillons-pour-metmeb\/informations-detaillees\/leica-em-ac20\/\">Leica EM AC20<\/a>\u00a0de contraste ou\u00a0\u00a0<a href=\"https:\/\/www.google.com\/search?q=rmc+EM+STAINer&amp;tbm=isch&amp;ved=2ahUKEwjEkd6QzIzwAhUHaRQKHaJQDSQQ2-cCegQIABAA&amp;oq=rmc+EM+STAINer&amp;gs_lcp=CgNpbWcQA1C2eFjDkwFg25gBaABwAHgAgAFYiAGgApIBATSYAQCgAQGqAQtnd3Mtd2l6LWltZ8ABAQ&amp;sclient=img&amp;ei=Tap-YIS3CIfSUaKhtaAC&amp;bih=937&amp;biw=1920&amp;safe=active#imgrc=euhYgEr62LyxLM\">RMC<\/a>\u00a0(avec une p\u00e9riode de lavage \u00e0 l\u2019eau distill\u00e9e courte 2\u00d75 minutes suffissent)<\/li>\n<\/ul>\n<h4><\/h4>\n<h4><em>P<strong>rotocole de contraste Stain77 pour coupes ultra-fines<\/strong><\/em><\/h4>\n<p>&nbsp;<\/p>\n<ol>\n<li>Contrastez sur une goutte\u00a0<strong>\u00a0<\/strong>de\u00a0<b>Stain77\u00a0<\/b>durant 1 \u00e0 2 mn<\/li>\n<li><i>s\u00e9chez<\/i>,<\/li>\n<li><i>rincez<\/i>\u00a0\u00e0 l\u2019eau distill\u00e9e sommairement,<\/li>\n<li>s\u00e9chez<\/li>\n<\/ol>\n<p>puis\u00a0<b><i>contre-colorer<\/i><\/b>\u00a0au citrate de Plomb\u00a0<strong>1mn<\/strong>\u00a0suffit, rincez \u00e0 l\u2019eau distill\u00e9e , s\u00e9chez puis observez au MET.<\/p>\n<p>L\u2019eau distill\u00e9e de rin\u00e7age ne doit pas \u00eatre stock\u00e9e pr\u00e9alablement au r\u00e9frig\u00e9rateur car l\u2019eau froide se comporte comme un buvard de CO2 (la contamination de vos coupes sont souvent caus\u00e9e par une eau distill\u00e9e enrichie en CO2 au r\u00e9frig\u00e9rateur )<\/p>\n<p><a href=\"https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2022\/09\/dessin2-protocole-stain77.jpg?strip=all&w=2560\"><img decoding=\"async\" class=\"alignnone wp-image-305797\" src=\"https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2022\/09\/dessin2-protocole-stain77-300x52.jpg?strip=all\" alt=\"\" width=\"594\" height=\"103\" srcset=\"https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2022\/09\/dessin2-protocole-stain77-480x84.jpg?strip=all 480w, https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2022\/09\/dessin2-protocole-stain77.jpg?strip=all&amp;w=155 155w, https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2022\/09\/dessin2-protocole-stain77.jpg?strip=all&amp;w=311 311w, https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2022\/09\/dessin2-protocole-stain77.jpg?strip=all&amp;w=622 622w, https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2022\/09\/dessin2-protocole-stain77.jpg?strip=all&amp;w=778 778w, https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2022\/09\/dessin2-protocole-stain77.jpg?strip=all&amp;w=934 934w, https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2022\/09\/dessin2-protocole-stain77.jpg?strip=all&amp;w=1089 1089w, https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2022\/09\/dessin2-protocole-stain77.jpg?strip=all&amp;w=1245 1245w, https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2022\/09\/dessin2-protocole-stain77.jpg?strip=all&amp;w=1401 1401w, https:\/\/efb7cwj5g4q.exactdn.com\/wp-content\/uploads\/2022\/09\/dessin2-protocole-stain77.jpg?strip=all 1557w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 594px, 100vw\" \/><\/a><\/p>\n<p><strong>le protocole ci-dessus est valable pour le contraste<\/strong><\/p>\n<ol>\n<li>des coupes ultra-fines\u00a0 (ou contraste positif)<\/li>\n<li>la coloration n\u00e9gative<strong>\u00a0sauf que<\/strong>\u00a0pour la coloration n\u00e9gative on ne\u00a0<b>contre-colore jamais au citrate de plomb apr\u00e8s Stain77<\/b><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p><b>Stain77 peut \u00eatre stock\u00e9 au laboratoire \u00e0 temp\u00e9rature ambiante et \u00e0 la lumi\u00e8re.<\/b><\/p>\n<p>le flacon Airless permet de garder cette solution m\u00e9tallique \u00e0 l\u2019abri de l\u2019air et de l\u2019oxyg\u00e8ne.<\/p>\n<p><iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/TZ7ztaz0rWQ\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>PR\u00caT A L\u2019EMPLOI<\/strong><\/li>\n<li>Pour contraste positif et n\u00e9gatif.<\/li>\n<li>pH voisin de 7<\/li>\n<li>Eau distill\u00e9e<\/li>\n<li>Microfiltr\u00e9 \u2013 St\u00e9rile<\/li>\n<li>Scell\u00e9 sous gaz neutre<\/li>\n<li>Qualit\u00e9 EM grade<\/li>\n<\/ul>\n","protected":false},"featured_media":305802,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false},"product_brand":[1912],"product_cat":[1309,1396,1314],"product_tag":[],"class_list":{"0":"post-305788","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-em-grade-com","7":"product_cat-tampons-en","8":"product_cat-contrastants-colorants-en","9":"product_cat-promotions-en","11":"first","12":"instock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-variable"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Stain77 - Solution Contrastante - Delta Microscopies<\/title>\n<meta name=\"description\" content=\"Solution Contrastant tr\u00e8s faiblement toxique, \u00e0 base de sel de lithium et 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