{"version":"1.0","provider_name":"Glossary","provider_url":"https:\/\/www.healthbenefitstimes.com\/glossary","author_name":"Glossary","author_url":"https:\/\/www.healthbenefitstimes.com\/glossary\/author\/adminglossary\/","title":"Kahn flocculation test - Definition of Kahn flocculation test","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"nNRRTP9bwx\"><a href=\"https:\/\/www.healthbenefitstimes.com\/glossary\/kahn-flocculation-test\/\">Kahn flocculation test<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.healthbenefitstimes.com\/glossary\/kahn-flocculation-test\/embed\/#?secret=nNRRTP9bwx\" width=\"600\" height=\"338\" title=\"&#8220;Kahn flocculation test&#8221; &#8212; Glossary\" data-secret=\"nNRRTP9bwx\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.healthbenefitstimes.com\/glossary\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"Test for syphilis, serum from positive cases flocculating when mixed with a lecithin-type \u2018antigen\u2019 extracted from normal beef heart muscle. Varying proportions of patient\u2019s serum and saline- activated antigen are mixed, vigorously shaken, and diluted with further saline. A uniform opalescence is indicative of a negative reaction; flocculation indicates positivity. Some other infections (particularly leprosy and yaws) may give similar reactions. In the Kahn verification test the entire test is conducted at room temperature, at 37\u00b0C and at 2\u00b0C, syphilitic reactions gaining in strength as the reaction temperature rises."}