{"id":1207,"date":"2026-06-23T16:42:38","date_gmt":"2026-06-23T13:42:38","guid":{"rendered":"https:\/\/life-peptide.com\/?post_type=product&#038;p=1207"},"modified":"2026-07-21T11:49:13","modified_gmt":"2026-07-21T08:49:13","slug":"saline-phosphate-buffered-5-ml","status":"publish","type":"product","link":"https:\/\/life-peptide.com\/fr\/product\/saline-phosphate-buffered-5-ml\/","title":{"rendered":"Phosphate Buffered Saline \/ 5 ml"},"content":{"rendered":"<p>Phosphate Buffered Saline (PBS) is a sterile saline solution formulated to maintain a <strong>stable, physiological pH<\/strong> during laboratory procedures.<\/p>\n<p>While bacteriostatic water is the preferred solvent for most lyophilised peptides, some peptides dissolve more readily or remain more stable in a buffered environment. PBS provides that environment by combining purified water, salts and a phosphate buffer to closely resemble physiological conditions.\u00a0For this reason, phosphate buffered saline is widely used for peptide reconstitution, biological assays and general laboratory research.<\/p>\n<hr \/>\n<h4><strong>Why use Phosphate Buffered Saline?<\/strong><\/h4>\n<p>PBS is commonly selected when a peptide benefits from a buffered solution rather than plain water.<\/p>\n<p>Researchers use phosphate buffered saline because it:<\/p>\n<ul>\n<li><strong>maintains a stable physiological pH<\/strong><\/li>\n<li><strong>provides a buffered saline environment<\/strong><\/li>\n<li><strong>can improve dissolution of selected peptides<\/strong><\/li>\n<li><strong>is suitable for many biological laboratory procedures<\/strong><\/li>\n<li><strong>is supplied sterile and ready to use<\/strong><\/li>\n<\/ul>\n<h4><strong>When is PBS preferred over BAC Water?<\/strong><\/h4>\n<p>Bacteriostatic Water remains the preferred reconstitution solution for <strong>most research peptides<\/strong>.<\/p>\n<p>However, some peptides may dissolve more efficiently or produce a clearer solution when reconstituted in phosphate buffered saline.<\/p>\n<p>For example, <a href=\"https:\/\/life-peptide.com\/fr\/product\/ara-290-16-mg\/\">ARA-290<\/a> (Cibinetide) is widely reported by researchers to dissolve more readily in buffered saline than in bacteriostatic water, making PBS a practical alternative for this peptide.<\/p>\n<p>The choice of reconstitution solution ultimately depends on the specific peptide and research protocol.<\/p>\n<h4><strong>PBS vs BAC Water<\/strong><\/h4>\n<p>Although both products are used for peptide reconstitution, they serve different purposes.<\/p>\n<p><strong>Phosphate Buffered Saline<\/strong><\/p>\n<ul>\n<li>buffered to maintain physiological pH<\/li>\n<li>contains no bacteriostatic preservative<\/li>\n<li>suitable for peptides that benefit from buffered conditions<\/li>\n<li>commonly used in biological research<\/li>\n<\/ul>\n<p><a href=\"https:\/\/life-peptide.com\/fr\/product\/bac-10-ml\/\"><strong>Bacteriostatic Water<\/strong><\/a><\/p>\n<ul>\n<li>contains 0.9% benzyl alcohol<\/li>\n<li>designed for multi-dose use<\/li>\n<li>suitable for most research peptides<\/li>\n<li>the standard choice for routine peptide reconstitution<\/li>\n<\/ul>\n<hr \/>\n<h4><strong>Compatible research applications<\/strong><\/h4>\n<p>Phosphate buffered saline is commonly used for:<\/p>\n<ul>\n<li>peptide reconstitution<\/li>\n<li>preparation of laboratory solutions<\/li>\n<li>biological assays<\/li>\n<li>washing procedures<\/li>\n<li>dilution of biological samples<\/li>\n<li>research requiring physiological pH<\/li>\n<\/ul>\n<h4><strong>Handling and storage<\/strong><\/h4>\n<p>For best laboratory practice:<\/p>\n<ul>\n<li>use sterile syringes and needles<\/li>\n<li>avoid repeated contamination<\/li>\n<li>keep the vial tightly sealed when not in use<\/li>\n<li>discard if sterility is compromised<\/li>\n<\/ul>\n<p>Because phosphate buffered saline contains no bacteriostatic preservative, proper aseptic handling is especially important after opening.<\/p>\n<hr \/>\n<h4><strong>Product characteristics<\/strong><\/h4>\n<p>Sterile laboratory-grade solution<br \/>\nAppearance: clear, colorless liquid<br \/>\nComposition: phosphate-buffered saline (without Ca\u00b2\u207a and Mg\u00b2\u207a)<br \/>\npH: ~7.2\u20137.4 at 25\u00b0C<br \/>\nStorage: store at 2\u201325\u00b0C. Keep container sealed to maintain sterility.<\/p>\n<hr \/>\n<h4><strong>Questions fr\u00e9quemment pos\u00e9es<\/strong><\/h4>\n<p><strong>What is phosphate buffered saline?<\/strong><\/p>\n<p>Phosphate buffered saline (PBS) is a sterile buffered saline solution that maintains a stable physiological pH during peptide reconstitution and laboratory research.<\/p>\n<p><strong>Why use PBS instead of bacteriostatic water?<\/strong><\/p>\n<p>While bacteriostatic water is suitable for most peptides, some peptides dissolve more readily or perform better in a buffered environment. PBS provides stable pH conditions that may improve reconstitution for selected compounds.<\/p>\n<p><strong>Which peptides are commonly reconstituted with PBS?<\/strong><\/p>\n<p>Most peptides can be reconstituted with bacteriostatic water, but peptides such as ARA-290 are frequently reported by researchers to dissolve more effectively in phosphate buffered saline.<\/p>\n<p><strong>Does PBS contain a preservative?<\/strong><\/p>\n<p>No. Unlike bacteriostatic water, phosphate buffered saline contains no bacteriostatic preservative, so sterile handling after opening is essential.<\/p>\n<p><strong>Can PBS be used for all peptides?<\/strong><\/p>\n<p>PBS is compatible with many peptides and laboratory applications, but bacteriostatic water remains the preferred choice for most products. Researchers should select the solvent best suited to the peptide being investigated.<\/p>\n<p><strong>Is this product intended for human use?<\/strong><\/p>\n<p>No. This product is supplied exclusively for laboratory and analytical research. It is not intended for human consumption, diagnosis, treatment or prevention of disease.<\/p>\n<hr \/>\n<h4><strong>Related research products<\/strong><\/h4>\n<p><a href=\"https:\/\/life-peptide.com\/fr\/product\/bac-10-ml\/\">Bacteriostatic Water<\/a> \u2013 the standard reconstitution solution for most peptides.<br \/>\nARA-290 (Cibinetide) \u2013 commonly reconstituted using buffered saline.<br \/>\n<a href=\"https:\/\/life-peptide.com\/fr\/product\/022-m-pes-syringe-filters\/\">0.22 \u03bcm PES Sterile Filters<\/a> \u2013 sterile filtration for laboratory solutions.<br \/>\n<a href=\"https:\/\/life-peptide.com\/fr\/reconstitution-of-peptides\/\">Peptide Reconstitution Guide<\/a> \u2013 learn how to prepare lyophilised peptides correctly.<\/p>\n<p><strong>NOTE:<\/strong> This is for educational reference only and does not constitute medical advice.<\/p>\n<p><strong>Disclaimer<\/strong><br \/>\nThis product is intended strictly for research and laboratory use only. It is not approved for human consumption, medical, or veterinary use.<\/p>","protected":false},"excerpt":{"rendered":"<p>Phosphate Buffered Saline (PBS) 5 mL is a sterile buffered saline solution designed for peptide reconstitution and laboratory research. Unlike bacteriostatic water, PBS maintains a stable physiological pH, making it particularly suitable for peptides that dissolve more effectively in buffered solutions.<\/p>\n<p>||<\/p>\n<p>Sterile | EU shipping from \u20ac5 | Free shipping upgrades available | Card payments accepted<\/p>","protected":false},"featured_media":1206,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[24],"product_tag":[373,275,372,371,272,273,369,271,274,374],"class_list":["post-1207","product","type-product","status-publish","has-post-thumbnail","product_cat-solutions","product_tag-ara-290","product_tag-buffer-solution-pbs","product_tag-buffered-saline","product_tag-peptide-accessories","product_tag-peptide-diluent","product_tag-peptide-reconstitution","product_tag-peptide-solvent","product_tag-phosphate-buffered-saline","product_tag-sterile-buffer","product_tag-sterile-saline","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/life-peptide.com\/fr\/wp-json\/wp\/v2\/product\/1207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life-peptide.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/life-peptide.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/life-peptide.com\/fr\/wp-json\/wp\/v2\/comments?post=1207"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life-peptide.com\/fr\/wp-json\/wp\/v2\/media\/1206"}],"wp:attachment":[{"href":"https:\/\/life-peptide.com\/fr\/wp-json\/wp\/v2\/media?parent=1207"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/life-peptide.com\/fr\/wp-json\/wp\/v2\/product_brand?post=1207"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/life-peptide.com\/fr\/wp-json\/wp\/v2\/product_cat?post=1207"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/life-peptide.com\/fr\/wp-json\/wp\/v2\/product_tag?post=1207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}