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  <channel>
    <title>Blog</title>
    <link>https://www.ethosbiosciences.com/blog-and-news</link>
    <description>News and educational information for the biosciences industry</description>
    <language>en</language>
    <pubDate>Tue, 16 Jun 2026 19:05:55 GMT</pubDate>
    <dc:date>2026-06-16T19:05:55Z</dc:date>
    <dc:language>en</dc:language>
    <item>
      <title>Choosing the Right Leukocyte Counting Method in Non-Mammalian Vertebrates</title>
      <link>https://www.ethosbiosciences.com/blog-and-news/choosing-the-right-leukocyte-counting-method-in-non-mammalian-vertebrates</link>
      <description>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/choosing-the-right-leukocyte-counting-method-in-non-mammalian-vertebrates" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/Blog/bird%20blood.jpg" alt="Choosing the Right Leukocyte Counting Method in Non-Mammalian Vertebrates" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p style="color: #4c4c4c; background-color: #ffffff;"&gt;For veterinarians and animal scientists working with birds, reptiles, amphibians, and/or fish, obtaining accurate hematological data is vital for diagnosing disease, monitoring immune response, and assessing overall health. A key part of this process is determining leukocyte (white blood cell) counts. Two commonly used techniques for these species are Phloxine B and Natt &amp;amp; Herrick’s Solution (NHS) (Natt &amp;amp; Herrick, 1952). Each has their own strengths and limitations.&lt;/p&gt;</description>
      <content:encoded>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/choosing-the-right-leukocyte-counting-method-in-non-mammalian-vertebrates" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/Blog/bird%20blood.jpg" alt="Choosing the Right Leukocyte Counting Method in Non-Mammalian Vertebrates" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p style="color: #4c4c4c; background-color: #ffffff;"&gt;For veterinarians and animal scientists working with birds, reptiles, amphibians, and/or fish, obtaining accurate hematological data is vital for diagnosing disease, monitoring immune response, and assessing overall health. A key part of this process is determining leukocyte (white blood cell) counts. Two commonly used techniques for these species are Phloxine B and Natt &amp;amp; Herrick’s Solution (NHS) (Natt &amp;amp; Herrick, 1952). Each has their own strengths and limitations.&lt;/p&gt;  
&lt;img src="https://track.hubspot.com/__ptq.gif?a=5753724&amp;amp;k=14&amp;amp;r=https%3A%2F%2Fwww.ethosbiosciences.com%2Fblog-and-news%2Fchoosing-the-right-leukocyte-counting-method-in-non-mammalian-vertebrates&amp;amp;bu=https%253A%252F%252Fwww.ethosbiosciences.com%252Fblog-and-news&amp;amp;bvt=rss" alt="" width="1" height="1" style="min-height:1px!important;width:1px!important;border-width:0!important;margin-top:0!important;margin-bottom:0!important;margin-right:0!important;margin-left:0!important;padding-top:0!important;padding-bottom:0!important;padding-right:0!important;padding-left:0!important; "&gt;</content:encoded>
      <category>Hematology</category>
      <pubDate>Mon, 08 Jun 2026 14:19:45 GMT</pubDate>
      <author>samantha.moses@ethosbiosciences.com (Samantha Moses-Nuss)</author>
      <guid>https://www.ethosbiosciences.com/blog-and-news/choosing-the-right-leukocyte-counting-method-in-non-mammalian-vertebrates</guid>
      <dc:date>2026-06-08T14:19:45Z</dc:date>
    </item>
    <item>
      <title>How to Achieve Reliable Blood Smear Staining in Seconds with Quick III™</title>
      <link>https://www.ethosbiosciences.com/blog-and-news/how-to-achieve-reliable-blood-smear-staining-in-seconds-with-quick-iii</link>
      <description>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/how-to-achieve-reliable-blood-smear-staining-in-seconds-with-quick-iii" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/hem%20spec%20prep.jpg" alt="How to Achieve Reliable Blood Smear Staining in Seconds with Quick III™" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p style="color: #4c4c4c; background-color: #ffffff;"&gt;In hematology labs, accuracy and efficiency are critical. When processing blood smears, professionals need a staining solution that delivers&lt;strong&gt;consistent, high-quality results fast&lt;/strong&gt;. The&lt;strong&gt;Quick III™ Differential Stain Kit&lt;/strong&gt;from Ethos Biosciences is designed to meet that need. With a simple three-step process and rapid staining time, Quick III™ helps laboratories achieve reliable results in&lt;strong&gt;seconds&lt;/strong&gt;, improving workflow without sacrificing precision.&lt;/p&gt;</description>
      <content:encoded>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/how-to-achieve-reliable-blood-smear-staining-in-seconds-with-quick-iii" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/hem%20spec%20prep.jpg" alt="How to Achieve Reliable Blood Smear Staining in Seconds with Quick III™" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p style="color: #4c4c4c; background-color: #ffffff;"&gt;In hematology labs, accuracy and efficiency are critical. When processing blood smears, professionals need a staining solution that delivers&lt;strong&gt;consistent, high-quality results fast&lt;/strong&gt;. The&lt;strong&gt;Quick III™ Differential Stain Kit&lt;/strong&gt;from Ethos Biosciences is designed to meet that need. With a simple three-step process and rapid staining time, Quick III™ helps laboratories achieve reliable results in&lt;strong&gt;seconds&lt;/strong&gt;, improving workflow without sacrificing precision.&lt;/p&gt;  
&lt;img src="https://track.hubspot.com/__ptq.gif?a=5753724&amp;amp;k=14&amp;amp;r=https%3A%2F%2Fwww.ethosbiosciences.com%2Fblog-and-news%2Fhow-to-achieve-reliable-blood-smear-staining-in-seconds-with-quick-iii&amp;amp;bu=https%253A%252F%252Fwww.ethosbiosciences.com%252Fblog-and-news&amp;amp;bvt=rss" alt="" width="1" height="1" style="min-height:1px!important;width:1px!important;border-width:0!important;margin-top:0!important;margin-bottom:0!important;margin-right:0!important;margin-left:0!important;padding-top:0!important;padding-bottom:0!important;padding-right:0!important;padding-left:0!important; "&gt;</content:encoded>
      <category>Dyes &amp; Stains</category>
      <category>Hematology</category>
      <pubDate>Wed, 27 May 2026 14:36:29 GMT</pubDate>
      <author>samantha.moses@ethosbiosciences.com (Samantha Moses-Nuss)</author>
      <guid>https://www.ethosbiosciences.com/blog-and-news/how-to-achieve-reliable-blood-smear-staining-in-seconds-with-quick-iii</guid>
      <dc:date>2026-05-27T14:36:29Z</dc:date>
    </item>
    <item>
      <title>Infiltration of Tissue Plus Superior Sectioning Ability: WHY?</title>
      <link>https://www.ethosbiosciences.com/blog-and-news/infiltration-of-tissue-plus-superior-sectioning-ability-why</link>
      <description>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/infiltration-of-tissue-plus-superior-sectioning-ability-why" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/Blog/ethos%20-%20tissue%20infiltration.jpg" alt="Infiltration of Tissue Plus Superior Sectioning Ability: WHY?" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p&gt;In histology and pathology, precision is everything. The quality of tissue processing—especially&lt;br&gt;infiltration and sectioning—directly impacts diagnostic accuracy. This is why choosing the right&lt;br&gt;paraffin wax matters. Ethos TissueLock™ Paraffin 56 is designed to deliver superior infiltration and&lt;br&gt;effortless sectioning for reliable result&lt;/p&gt;</description>
      <content:encoded>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/infiltration-of-tissue-plus-superior-sectioning-ability-why" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/Blog/ethos%20-%20tissue%20infiltration.jpg" alt="Infiltration of Tissue Plus Superior Sectioning Ability: WHY?" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p&gt;In histology and pathology, precision is everything. The quality of tissue processing—especially&lt;br&gt;infiltration and sectioning—directly impacts diagnostic accuracy. This is why choosing the right&lt;br&gt;paraffin wax matters. Ethos TissueLock™ Paraffin 56 is designed to deliver superior infiltration and&lt;br&gt;effortless sectioning for reliable result&lt;/p&gt;  
&lt;img src="https://track.hubspot.com/__ptq.gif?a=5753724&amp;amp;k=14&amp;amp;r=https%3A%2F%2Fwww.ethosbiosciences.com%2Fblog-and-news%2Finfiltration-of-tissue-plus-superior-sectioning-ability-why&amp;amp;bu=https%253A%252F%252Fwww.ethosbiosciences.com%252Fblog-and-news&amp;amp;bvt=rss" alt="" width="1" height="1" style="min-height:1px!important;width:1px!important;border-width:0!important;margin-top:0!important;margin-bottom:0!important;margin-right:0!important;margin-left:0!important;padding-top:0!important;padding-bottom:0!important;padding-right:0!important;padding-left:0!important; "&gt;</content:encoded>
      <category>Histology</category>
      <pubDate>Thu, 02 Apr 2026 10:00:00 GMT</pubDate>
      <author>rich.quashne@ethosbiosciences.com (Rich Quashne)</author>
      <guid>https://www.ethosbiosciences.com/blog-and-news/infiltration-of-tissue-plus-superior-sectioning-ability-why</guid>
      <dc:date>2026-04-02T10:00:00Z</dc:date>
    </item>
    <item>
      <title>How to Use the H. pylori Quick III Kit: A Complete Guide for Histology Applications</title>
      <link>https://www.ethosbiosciences.com/blog-and-news/how-to-use-the-h-pylori-quick-iii-kit-a-complete-guide-for-histology-applications</link>
      <description>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/how-to-use-the-h-pylori-quick-iii-kit-a-complete-guide-for-histology-applications" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/Blog/Ethos%20Quick%20III.jpg" alt="How to Use the H. pylori Quick III Kit: A Complete Guide for Histology Applications" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p&gt;Helicobacter pylori (H. pylori) is a spiral-shaped bacterium associated with chronic gastritis, peptic ulcers, and gastric cancer. Ethos Biosciences offers a fast, reliable solution with the Quick III Kit – a three-step staining system.&lt;/p&gt;</description>
      <content:encoded>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/how-to-use-the-h-pylori-quick-iii-kit-a-complete-guide-for-histology-applications" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/Blog/Ethos%20Quick%20III.jpg" alt="How to Use the H. pylori Quick III Kit: A Complete Guide for Histology Applications" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p&gt;Helicobacter pylori (H. pylori) is a spiral-shaped bacterium associated with chronic gastritis, peptic ulcers, and gastric cancer. Ethos Biosciences offers a fast, reliable solution with the Quick III Kit – a three-step staining system.&lt;/p&gt;  
&lt;img src="https://track.hubspot.com/__ptq.gif?a=5753724&amp;amp;k=14&amp;amp;r=https%3A%2F%2Fwww.ethosbiosciences.com%2Fblog-and-news%2Fhow-to-use-the-h-pylori-quick-iii-kit-a-complete-guide-for-histology-applications&amp;amp;bu=https%253A%252F%252Fwww.ethosbiosciences.com%252Fblog-and-news&amp;amp;bvt=rss" alt="" width="1" height="1" style="min-height:1px!important;width:1px!important;border-width:0!important;margin-top:0!important;margin-bottom:0!important;margin-right:0!important;margin-left:0!important;padding-top:0!important;padding-bottom:0!important;padding-right:0!important;padding-left:0!important; "&gt;</content:encoded>
      <pubDate>Thu, 12 Mar 2026 10:00:00 GMT</pubDate>
      <author>samantha.moses@ethosbiosciences.com (Samantha Moses-Nuss)</author>
      <guid>https://www.ethosbiosciences.com/blog-and-news/how-to-use-the-h-pylori-quick-iii-kit-a-complete-guide-for-histology-applications</guid>
      <dc:date>2026-03-12T10:00:00Z</dc:date>
    </item>
    <item>
      <title>The Resurgence of Natural Dyes: A Logwood Story</title>
      <link>https://www.ethosbiosciences.com/blog-and-news/the-resurgence-of-natural-dyes-a-logwood-story</link>
      <description>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/the-resurgence-of-natural-dyes-a-logwood-story" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/Blog/Tree.jpg" alt="The Resurgence of Natural Dyes: A Logwood Story" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p style="color: #4c4c4c; background-color: #ffffff;"&gt;For decades, synthetic dyes have dominated scientific industries. However, a growing awareness of the environmental impact and potential health hazards associated with these artificial dyes/pigments is fueling a resurgence of interest in natural dyes. The global market for natural dyes is showing a growth rate of 11% in 2024 (&lt;a href="https://www.ethosbiosciences.com/the-resurgence-of-natural-dyes-a-logwood-story#_ENREF_1"&gt;Arizton, 2021&lt;/a&gt;). Among these, logwood, derived from the&lt;em&gt;Haematoxylum campechianum L.&lt;/em&gt;tree, stands out for its rich history, vibrant colors, and crucial role in histology.&lt;/p&gt;</description>
      <content:encoded>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/the-resurgence-of-natural-dyes-a-logwood-story" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/Blog/Tree.jpg" alt="The Resurgence of Natural Dyes: A Logwood Story" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p style="color: #4c4c4c; background-color: #ffffff;"&gt;For decades, synthetic dyes have dominated scientific industries. However, a growing awareness of the environmental impact and potential health hazards associated with these artificial dyes/pigments is fueling a resurgence of interest in natural dyes. The global market for natural dyes is showing a growth rate of 11% in 2024 (&lt;a href="https://www.ethosbiosciences.com/the-resurgence-of-natural-dyes-a-logwood-story#_ENREF_1"&gt;Arizton, 2021&lt;/a&gt;). Among these, logwood, derived from the&lt;em&gt;Haematoxylum campechianum L.&lt;/em&gt;tree, stands out for its rich history, vibrant colors, and crucial role in histology.&lt;/p&gt;  
&lt;img src="https://track.hubspot.com/__ptq.gif?a=5753724&amp;amp;k=14&amp;amp;r=https%3A%2F%2Fwww.ethosbiosciences.com%2Fblog-and-news%2Fthe-resurgence-of-natural-dyes-a-logwood-story&amp;amp;bu=https%253A%252F%252Fwww.ethosbiosciences.com%252Fblog-and-news&amp;amp;bvt=rss" alt="" width="1" height="1" style="min-height:1px!important;width:1px!important;border-width:0!important;margin-top:0!important;margin-bottom:0!important;margin-right:0!important;margin-left:0!important;padding-top:0!important;padding-bottom:0!important;padding-right:0!important;padding-left:0!important; "&gt;</content:encoded>
      <category>Dyes &amp; Stains</category>
      <pubDate>Thu, 05 Mar 2026 11:45:00 GMT</pubDate>
      <author>rich.quashne@ethosbiosciences.com (Rich Quashne)</author>
      <guid>https://www.ethosbiosciences.com/blog-and-news/the-resurgence-of-natural-dyes-a-logwood-story</guid>
      <dc:date>2026-03-05T11:45:00Z</dc:date>
    </item>
    <item>
      <title>Nephrology and Common Types of Kidney Disease</title>
      <link>https://www.ethosbiosciences.com/blog-and-news/nephrology-and-common-types-of-kidney-disease</link>
      <description>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/nephrology-and-common-types-of-kidney-disease" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/Blog/kidneys.jpg" alt="Nephrology and Common Types of Kidney Disease" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p style="color: #4c4c4c; background-color: #ffffff;"&gt;Nephrology focuses on the diagnosis and treatment of kidney conditions such as kidney function, kidney disease, and the preservation of kidney health. Many conditions affect kidney function or renal physiology, including&lt;/p&gt;</description>
      <content:encoded>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/nephrology-and-common-types-of-kidney-disease" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/Blog/kidneys.jpg" alt="Nephrology and Common Types of Kidney Disease" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p style="color: #4c4c4c; background-color: #ffffff;"&gt;Nephrology focuses on the diagnosis and treatment of kidney conditions such as kidney function, kidney disease, and the preservation of kidney health. Many conditions affect kidney function or renal physiology, including&lt;/p&gt;  
&lt;img src="https://track.hubspot.com/__ptq.gif?a=5753724&amp;amp;k=14&amp;amp;r=https%3A%2F%2Fwww.ethosbiosciences.com%2Fblog-and-news%2Fnephrology-and-common-types-of-kidney-disease&amp;amp;bu=https%253A%252F%252Fwww.ethosbiosciences.com%252Fblog-and-news&amp;amp;bvt=rss" alt="" width="1" height="1" style="min-height:1px!important;width:1px!important;border-width:0!important;margin-top:0!important;margin-bottom:0!important;margin-right:0!important;margin-left:0!important;padding-top:0!important;padding-bottom:0!important;padding-right:0!important;padding-left:0!important; "&gt;</content:encoded>
      <pubDate>Thu, 19 Feb 2026 11:00:00 GMT</pubDate>
      <author>samantha.moses@ethosbiosciences.com (Samantha Moses-Nuss)</author>
      <guid>https://www.ethosbiosciences.com/blog-and-news/nephrology-and-common-types-of-kidney-disease</guid>
      <dc:date>2026-02-19T11:00:00Z</dc:date>
    </item>
    <item>
      <title>The Science Behind Sperm Vitality: Mastering the Eosin-Nigrosin Staining Technique</title>
      <link>https://www.ethosbiosciences.com/blog-and-news/the-science-behind-sperm-vitality-mastering-the-eosin-nigrosin-staining-technique</link>
      <description>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/the-science-behind-sperm-vitality-mastering-the-eosin-nigrosin-staining-technique" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/Blog/fertility.jpg" alt="The Science Behind Sperm Vitality: Mastering the Eosin-Nigrosin Staining Technique" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p style="color: #4c4c4c; background-color: #ffffff;"&gt;In the realm of reproductive biology, assessing sperm vitality is a cornerstone of fertility testing. The eosin-nigrosin staining technique stands out as a simple, rapid, and reliable method for determining the percentage of live and dead sperm in a semen sample. This blog post offers scientists and technical users a guide to this procedure, exploring its history, mechanism, applications, and practical tips for optimal results in semen analysis.&lt;/p&gt;</description>
      <content:encoded>&lt;div class="hs-featured-image-wrapper"&gt; 
 &lt;a href="https://www.ethosbiosciences.com/blog-and-news/the-science-behind-sperm-vitality-mastering-the-eosin-nigrosin-staining-technique" title="" class="hs-featured-image-link"&gt; &lt;img src="https://www.ethosbiosciences.com/hubfs/Blog/fertility.jpg" alt="The Science Behind Sperm Vitality: Mastering the Eosin-Nigrosin Staining Technique" class="hs-featured-image" style="width:auto !important; max-width:50%; float:left; margin:0 15px 15px 0;"&gt; &lt;/a&gt; 
&lt;/div&gt; 
&lt;p style="color: #4c4c4c; background-color: #ffffff;"&gt;In the realm of reproductive biology, assessing sperm vitality is a cornerstone of fertility testing. The eosin-nigrosin staining technique stands out as a simple, rapid, and reliable method for determining the percentage of live and dead sperm in a semen sample. This blog post offers scientists and technical users a guide to this procedure, exploring its history, mechanism, applications, and practical tips for optimal results in semen analysis.&lt;/p&gt;  
&lt;img src="https://track.hubspot.com/__ptq.gif?a=5753724&amp;amp;k=14&amp;amp;r=https%3A%2F%2Fwww.ethosbiosciences.com%2Fblog-and-news%2Fthe-science-behind-sperm-vitality-mastering-the-eosin-nigrosin-staining-technique&amp;amp;bu=https%253A%252F%252Fwww.ethosbiosciences.com%252Fblog-and-news&amp;amp;bvt=rss" alt="" width="1" height="1" style="min-height:1px!important;width:1px!important;border-width:0!important;margin-top:0!important;margin-bottom:0!important;margin-right:0!important;margin-left:0!important;padding-top:0!important;padding-bottom:0!important;padding-right:0!important;padding-left:0!important; "&gt;</content:encoded>
      <pubDate>Thu, 12 Feb 2026 11:00:00 GMT</pubDate>
      <author>rich.quashne@ethosbiosciences.com (Rich Quashne)</author>
      <guid>https://www.ethosbiosciences.com/blog-and-news/the-science-behind-sperm-vitality-mastering-the-eosin-nigrosin-staining-technique</guid>
      <dc:date>2026-02-12T11:00:00Z</dc:date>
    </item>
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