<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[Rheology Testing Services]]></title><description><![CDATA[RTS provides streamlined, rapid and flexible rheology testing including viscosity, viscoelasticity and surface tension to probe material properties.]]></description><link>https://www.rheologytestingservices.com/blog</link><generator>RSS for Node</generator><lastBuildDate>Fri, 10 Apr 2026 23:49:33 GMT</lastBuildDate><atom:link href="https://www.rheologytestingservices.com/blog-feed.xml" rel="self" type="application/rss+xml"/><item><title><![CDATA[Flow and Yield Stress Testing And How to Optimize Semi-Solid Formulation Stability]]></title><description><![CDATA[Semi-solid pharmaceutical products such as creams, lotions, gels, and ointments play a vital role in topical drug development, manufacture and application.  Their therapeutic effectiveness depends not only on the active ingredients, but also on the formulation's physical properties that include flow properties.  This is why rheological testing of semi-solids has become an essential component of pharmaceutical development.  By examining formulation responses to stress, shear and deformation at...]]></description><link>https://www.rheologytestingservices.com/post/flow-and-yield-stress-testing-and-how-to-optimize-semi-solid-formulation-stability</link><guid isPermaLink="false">69d59de133362686b5d6ed49</guid><pubDate>Wed, 08 Apr 2026 04:00:08 GMT</pubDate><enclosure url="https://static.wixstatic.com/media/793c8d_7f5bcd62fbae4d2a85ed6debb152d348~mv2.jpg/v1/fit/w_1000,h_1000,al_c,q_80/file.png" length="0" type="image/png"/><dc:creator>Mark Patrick</dc:creator></item></channel></rss>