{"id":49676,"date":"2023-06-16T18:44:54","date_gmt":"2023-06-16T18:44:54","guid":{"rendered":"https:\/\/purmabiologics.com\/blog\/?post_type=product&#038;p=49676"},"modified":"2026-08-13T13:47:16","modified_gmt":"2026-08-13T19:47:16","slug":"mes","status":"publish","type":"product","link":"https:\/\/purmabiologics.com\/blog\/product\/mes\/","title":{"rendered":"MES Stock Buffer Solution"},"content":{"rendered":"<h2>Background<\/h2>\n<p>MES Stock Buffer Solution is one of the commonly used buffering agents in cell culture, biology, and biochemistry. It, however, does not form complexes with most of the metals used in environmental and biological studies. It easily dissolves in water and has minimum lipid solubility, making it impermeable to membranes. Moreover, MES buffer induces autophagy in cells. We also produce this widely used buffer in various pH formats.<\/p>\n<p>&nbsp;<\/p>\n<h2>Features<\/h2>\n<ul>\n<li>Cell Culture Suited as well as molecular biology suited.<\/li>\n<li>Provides a buffer solution to maintain a medium in physiological pH (7.2-7.6).<\/li>\n<li>PurMa Biologics manufactures this buffer free of \u00a0Mg<sup>2+<\/sup> and Ca <sup>2+<\/sup><\/li>\n<li>Free of RNAse \/DNase<\/li>\n<li>Free of Proteases. It is rigorously tested for contaminating nonspecific endonuclease, exonuclease, and RNase activity.<\/li>\n<li>We rigorously test for contamination of endotoxin and mycoplasma.<\/li>\n<li>PurMa Biologics manufactures this buffer in several pH formats.<\/li>\n<li>We sterilize it by 0.2\u00b5m filter.<\/li>\n<li>PurMa Biologics packs all the buffers under N<sub>2<\/sub>, so the pH does not change over time before opening the bottle.<\/li>\n<\/ul>\n<h2>Application<\/h2>\n<p>It plays a significant part in the preparation of Murashige and Skoog growth medium for the growth of cannabis in cell culture. In molecular biology, MES is commonly used in the conjugation of hybridization probes to beads before PCR amplification.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>PurMa Biologics Manufactures Several Grades of Buffers<\/strong><\/h3>\n<h3><strong>Regular Grade Buffer<\/strong><\/h3>\n<p>PurMa Biologics manufactures Regular grade of buffer by using:\u00a0 <a href=\"https:\/\/purmabiologics.com\/blog\/product\/cell-culture-suited-water\/\">PurMa\u2122 Cell Culture Suited Water (Cat# P3W110101)<\/a><\/p>\n<p>We sterilize the buffers by autoclaving the solution. Finally we pack the buffer in our Class 100 Aseptic Facility.<\/p>\n<h3><strong>Cell Culture Suited Grade Buffer<\/strong><\/h3>\n<p>PurMa Biologics manufactures this grade of buffer by using :<a href=\"https:\/\/purmabiologics.com\/blog\/product\/cell-culture-suited-water\/\">PurMa\u2122 <\/a><a href=\"https:\/\/purmabiologics.com\/blog\/product\/cell-culture-suited-water\/\">Cell Culture Suited Water (Cat# P3W110101)<\/a><\/p>\n<p>After adjusting the pH, we finally, sterilize the buffer by\u00a0 3 times passing through 0.2 \u00b5m filters. Additionally,\u00a0 We pack the buffer under N2 gas\u00a0 in our Class 100 Aseptic Facility.<\/p>\n<h3><strong>RNase and DNase Free Grade Buffer<\/strong><\/h3>\n<p>PurMa Biologics manufactures this grade of buffer by using :<a href=\"https:\/\/purmabiologics.com\/blog\/product\/ultra-pure-cell-culture-suited-water\/\">PurMa\u2122 Ultra-Pure Cell Culture Suited Water (Cat# P3W110102) <\/a><\/p>\n<p>We sterilize the buffers by autoclaving the solution.\u00a0 Additionally, we pass the buffer\u00a0 three times through 0.1 \u00b5m filters,\u00a0 and finally\u00a0 pack it under N2 gas in our Class 100 Aseptic Facility.<\/p>\n<h3><strong>Cell Culture Suited \/ Endotoxin Depleted Grade Buffer<\/strong><\/h3>\n<p>PurMa Biologics manufactures this grade of buffer by using: <a href=\"https:\/\/purmabiologics.com\/blog\/product\/ultra-pure-cell-culture-suited-water\/\">PurMa\u2122 Ultra-Pure Cell Culture Suited Water (Cat# P3W110102) <\/a><\/p>\n<p>After depleting\u00a0 the endotoxins (see below for more details), we sterilize the buffer by 3 times passing through\u00a0 0.1 \u00b5m filters and pack under N2 gas in our Class 100 Aseptic Facility<\/p>\n<h2>The Endotoxin Removing Procedure from Buffer<\/h2>\n<p>PurMa Biologics has the most sophisticated endotoxin removal procedure. To remove this pathogen, we pass the buffer \u00a0through the PurMa\u2122 Endotoxin Elimination Column (Cat# P6H1216251). Furthermore, in our proprietary column,\u00a0 we covalently conjugate Sepharose 6B\u00a0 to an endotoxin-specific absorbent. We finally\u00a0 eliminate the endotoxin residual by passing the unbound fraction three times through 0.1\u00b5m filters.<\/p>\n<h2>References<\/h2>\n<ol>\n<li><span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/5942950\/\" rel=\"nofollow noopener\" target=\"_blank\">Hydrogen ion buffers for biological research. <\/a><\/span>Good NE, Winget GD, Winter W, Connolly TN, Izawa S, Singh RM. Biochemistry. 1966 Feb;5(2):467-77. doi: 10.1021\/bi00866a011. PMID: 5942950.<\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/21662904\/\" rel=\"nofollow noopener\" target=\"_blank\"><span style=\"color: #0000ff;\">Noncomplexing Tertiary Amines as &#8220;Better&#8221; Buffers Covering the Range of pH 3-11. Temperature Dependence of Their Acid Dissociation Constants.<\/span> <\/a>Kandegedara A, Rorabacher DB. Anal Chem. 1999 Aug 1;71(15):3140-4. doi: 10.1021\/ac9902594. PMID: 21662904.<\/li>\n<\/ol>\n<div class=\"table-2\">\n<table width=\"100%\">\n<thead>\n<tr>\n<th align=\"left\">Parameter<\/th>\n<th align=\"left\">Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\">Appearance<\/td>\n<td align=\"left\">Clear liquid<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">pH<\/td>\n<td align=\"left\">\u00a05.0 \u00b1 0.1; 5.5 \u00b1 0.1; 6.0 \u00b1 0.1; 6.5 \u00b1 0.1; 7.0 \u00b1 0.1; 7.5 \u00b1 0.1<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Osmolality<\/td>\n<td align=\"left\">\u00a0275-360 mOsm\/L<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Endotoxin<\/td>\n<td align=\"left\">\u00a0NMT&lt; 2EU\/mL<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Mycoplasma<\/td>\n<td align=\"left\">Negative<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Suitability<\/td>\n<td align=\"left\">\u00a0Suitable for mammalian cell culture and plant cell culture<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Additive<\/td>\n<td align=\"left\">\u00a0N\/A<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Indicator<\/td>\n<td align=\"left\">\u00a0N\/A<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Mycoplasma Detection<\/td>\n<td align=\"left\">Negative<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Sterility Tested<\/td>\n<td align=\"left\">\u00a0Sterile filtered using 0.22 \u00b5m filter<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Form<\/td>\n<td align=\"left\">Liquid<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Shipping Condition<\/td>\n<td align=\"left\">\u00a0Room temperature<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MES Stock Buffer Solution is one of the commonly used buffering agents in cell culture, biology, and biochemistry. It, however, does not form complexes with most of the metals used in environmental and biological studies. It easily dissolves in water and has minimum lipid solubility, making it impermeable to membranes.<\/p>\n","protected":false},"featured_media":127234,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[459],"product_tag":[623,581,619,648,651],"class_list":["post-49676","product","type-product","status-publish","has-post-thumbnail","product_cat-cell-culture-suited-buffers","product_tag-calcium-and-magnesium-free","product_tag-cell-culture","product_tag-dnase-rnase-free","product_tag-endotoxin-depleted","product_tag-mes-buffer-solution","entry","has-media","first","instock","sale","taxable","shipping-taxable","purchasable","product-type-variable","has-product-nav","col","span_1_of_4","owp-content-center","owp-thumbs-layout-horizontal","owp-btn-normal","owp-tabs-layout-horizontal","has-no-thumbnails"],"acf":[],"_links":{"self":[{"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/product\/49676","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/comments?post=49676"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/media\/127234"}],"wp:attachment":[{"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/media?parent=49676"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/product_brand?post=49676"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/product_cat?post=49676"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/purmabiologics.com\/blog\/wp-json\/wp\/v2\/product_tag?post=49676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}