{"product_id":"donkey-serum","title":"Donkey Serum | EU Origin | sterile filtered","description":"\u003cp\u003eNormal Donkey Serum (NDS) is the blocking reagent of choice for multiplex IHC and IF panels that combine secondary antibodies from multiple species. Donkeys are phylogenetically distant from mouse, rat, rabbit, goat, and sheep — NDS does not cross-react with any of these species. When an IHC panel uses anti-rabbit and anti-goat secondary antibodies simultaneously, neither rabbit nor goat serum can be used as blocker. NDS is the only correct solution. EU origin, sterile filtered 0.2 µm.\u003c\/p\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eProtocol\u003c\/th\u003e\n\u003cth\u003eNote\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMultiplex IHC \/ IF Blocking\u003c\/td\u003e\n\u003ctd\u003e5–10% NDS covers all secondary species simultaneously\u003c\/td\u003e\n\u003ctd\u003eNo cross-reactivity: mouse, rat, rabbit, goat, sheep | Keine Kreuzreaktivität\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-rabbit + Anti-goat combined\u003c\/td\u003e\n\u003ctd\u003eSingle NDS block before both secondary antibodies\u003c\/td\u003e\n\u003ctd\u003eOnly solution for combined rabbit + goat panels | Einzige Lösung für kombinierte Panels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMultiplex WB Blocking\u003c\/td\u003e\n\u003ctd\u003e5% NDS in TBST\u003c\/td\u003e\n\u003ctd\u003eMultiple species targets simultaneously | Mehrere Spezies gleichzeitig\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMultiplex Antibody Diluent\u003c\/td\u003e\n\u003ctd\u003e1–2% NDS in PBS-T\u003c\/td\u003e\n\u003ctd\u003eUniversal diluent for all species | Universeller Verdünnungspuffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-species ELISA Blocking\u003c\/td\u003e\n\u003ctd\u003e2–5% NDS\u003c\/td\u003e\n\u003ctd\u003eCovers goat, rabbit, mouse antibodies in one assay | Alle Spezies in einem Assay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSpecies\u003c\/td\u003e\n\u003ctd\u003eDonkey (Equus asinus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration\u003c\/td\u003e\n\u003ctd\u003e0.2 µm sterile filtered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCross-reactivity\u003c\/td\u003e\n\u003ctd\u003eNo significant cross-reactivity with mouse, rat, rabbit, goat, sheep, horse, human\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eEU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003e−20 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolumes\u003c\/td\u003e\n\u003ctd\u003e100 mL, 500 mL | Bulk on request\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDocumentation\u003c\/td\u003e\n\u003ctd\u003eCoA, CoO on request\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptions\u003c\/td\u003e\n\u003ctd\u003eHeat inactivated on request\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhy is donkey serum better than goat or rabbit serum for multiplex IHC?\u003c\/h3\u003e\n\u003cp\u003eWhen a panel uses secondaries from multiple species (e.g. anti-rabbit + anti-goat), neither rabbit nor goat serum can be used as blocker without interfering with the opposite primary. Donkey serum is immunologically neutral toward both species — a single blocking step covers the entire panel.\u003c\/p\u003e\n\u003ch3\u003eAre there situations where NDS does not work?\u003c\/h3\u003e\n\u003cp\u003eNDS is not suitable when donkey secondary antibodies are used in the panel. Also, if the primary antibody is donkey-derived, a different neutral serum must be used.\u003c\/p\u003e\n\n\u003ch2\u003eFurther Information\u003c\/h2\u003e\n\u003cp\u003eDetailed background, decision guides, and application protocols for Donkey Serum are available on our product information page: \u003ca href=\"https:\/\/seamlessbio.de\/en\/en\/donkey-serum-nds-ihc-multiplex-blocking\/\"\u003eseamlessbio.de — Donkey Serum\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePricing on request. Free test volumes available. Batch reservation possible. Contact: \u003ca href=\"mailto:info@seamlessbio.de\"\u003einfo@seamlessbio.de\u003c\/a\u003e | +49 851 37932226\u003c\/p\u003e","brand":"SeamlessBio","offers":[{"title":"100mL","offer_id":56999038452093,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false},{"title":"500mL","offer_id":56999038484861,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0916\/3338\/5853\/files\/Donkey_Serum_100mL.png?v=1776025750","url":"https:\/\/shop.seamlessbio.de\/en\/products\/donkey-serum","provider":"SeamlessBio","version":"1.0","type":"link"}