{"id":2604,"date":"2026-09-23T11:56:59","date_gmt":"2026-09-23T11:56:59","guid":{"rendered":"https:\/\/nhdbio.com\/?p=2604"},"modified":"2026-09-23T11:56:59","modified_gmt":"2026-09-23T11:56:59","slug":"purification-de-peptides-par-sds-peg-lc-ms-a-faible-volume-dechantillon","status":"publish","type":"post","link":"https:\/\/nhdbio.com\/fr\/peptide-cleanup-sds-peg-low-input-lcms\/","title":{"rendered":"Nettoyage des peptides avant LC\u2013MS\u00a0:\u00a0une purification accrue ne garantit pas une meilleure r\u00e9cup\u00e9ration"},"content":{"rendered":"<p>Detergents and polymers can disrupt LC\u2013MS analysis, so sample cleanup is often necessary. Yet a cleanup step can also lose peptides or change which sequences remain detectable. The right question is not simply whether a contaminant is removed, but whether the chosen method preserves the peptides needed at the <strong>actual input mass and contaminant load<\/strong>.<\/p>\n<h2>A low-input study shows a sharp boundary<\/h2>\n<p>A 2023 study benchmarked a magnetic-bead single-pot solid-phase-enhanced peptide preparation method (SP2) against ethyl-acetate extraction for sodium dodecyl sulfate (SDS) and assessed SP2 for polyethylene glycol (PEG). The model sample was an <strong><em>Arabidopsis thaliana<\/em> tryptic digest<\/strong>, not a purified synthetic peptide lot. The investigators examined peptide inputs of <strong>10 ng, 250 ng and 10 \u00b5g<\/strong> and defined SDS or PEG contamination levels. [1, Abstract and Results]<\/p>\n<p>At <strong>10 ng peptide input<\/strong>, SP2 cleanup of a sample with <strong>0.1% SDS<\/strong> lost <strong>3.5% of identified peptides<\/strong> versus the study control and reduced the mean summed peptide intensity by <strong>2.4%<\/strong>. At the same input with <strong>1% SDS<\/strong>, it lost <strong>73.6% of identified peptides<\/strong> and reduced mean summed intensity by <strong>44.7%<\/strong>. These are <strong>identification and MS-intensity metrics<\/strong>, not gravimetric mass-recovery percentages. They reveal a method boundary for this low-input matrix, instrument and contaminant combination. [1, \u00a72.5, Figure 10 and Table S2]<\/p>\n<table>\n<thead>\n<tr>\n<th>10 ng <em>Arabidopsis<\/em> peptide digest after SP2<\/th>\n<th>Identified-peptide change versus control<\/th>\n<th>Mean summed MS-intensity change<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>0.1% SDS contamination<\/td>\n<td>\u22123.5%<\/td>\n<td>\u22122.4%<\/td>\n<\/tr>\n<tr>\n<td>1% SDS contamination<\/td>\n<td>\u221273.6%<\/td>\n<td>\u221244.7%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The same paper reports that, for <strong>250 ng input<\/strong> challenged with a combined <strong>5% SDS and 1% PEG<\/strong>, SP2 lost <strong>2.9% of identified peptides<\/strong> while summed intensity increased <strong>7.6%<\/strong> versus control. That does not contradict the 10 ng failure: starting amount and contaminant conditions differ. An intensity increase can reflect reduced interference, and cannot be read as more peptide mass after cleanup. [1, \u00a72.4]<\/p>\n<h2>A cleanup qualification plan<\/h2>\n<p>Use the actual peptide amount, matrix and expected contaminant range. Compare a no-cleanup control where instrument compatibility allows, and include a known peptide mixture or isotope standard at a defined point in the workflow. Track at least three outcomes: residual contaminant\/interference, number of peptides identified, and quantitative response for target peptides. Examine retention-time and hydrophobicity patterns, because preferential loss may be hidden by a stable total peptide count. Record whether the standard was added before or after cleanup; only an early spike can report loss in that step.<\/p>\n<p>If a method looks excellent at microgram input, repeat at the nanogram level before using it for scarce samples. A cleanup method may be suitable for broad discovery work yet unsuitable for a targeted peptide whose recovery is poor. The <a href=\"https:\/\/nhdbio.com\/lc-ms-peptide-identity-exact-mass-isotopes-msms\/\">LC\u2013MS peptide identity guide<\/a> helps confirm which peaks are true targets; the <a href=\"https:\/\/nhdbio.com\/quality-documentation\/\">quality documentation hub<\/a> explains why a method result does not establish a lot-specific release claim.<\/p>\n<p>An independent SDS-assisted proteomics study used potassium dodecyl sulfate precipitation followed by C18 SPE and reported <strong>approximately 80% peptide recovery<\/strong> for <strong>20 \u00b5g of standard peptides<\/strong> under its tested conditions. That outcome is a different method, input and endpoint than the 10-ng SP2 identification counts above. It supplies a comparator for method design, not a pooled recovery percentage or proof that precipitation is superior at low input. [2, Figure 1B]<\/p>\n<h3>Cleanup go\/no-go record<\/h3>\n<p>List the intended input amount and contaminant concentration, the peptide classes that must remain detectable, the internal-standard addition point, the residual-contaminant assay and a predeclared allowable loss for each critical target. Compare these outcomes after cleanup: target recovery, sequence coverage\/identification count, peak shape and matrix suppression. A method passes only for its stated purpose and range; \u201cclean chromatogram\u201d is insufficient if required targets disappear.<\/p>\n<h2>Evidence limit<\/h2>\n<p>This is <strong>plant-digest method evidence<\/strong>. It does not validate SDS\/PEG cleanup for all peptide chemistries, clinical matrices, research-material lots or instruments. The figures should prompt a local input-by-contaminant experiment, not a universal acceptance threshold.<\/p>\n<h2>Primary source and claim trail<\/h2>\n<ol>\n<li><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10743447\/\"><em>Benchmarking of Two Peptide Clean-Up Protocols: SP2 and Ethyl Acetate Extraction for Sodium Dodecyl Sulfate or Polyethylene Glycol Removal from Plant Samples before LC-MS\/MS<\/em><\/a>. <em>International Journal of Molecular Sciences<\/em>. 2023. DOI <a href=\"https:\/\/doi.org\/10.3390\/ijms242417347\">10.3390\/ijms242417347<\/a>, PMID 38139176. <strong>Locations:<\/strong> Abstract (study matrix, inputs, overall comparison); Results \u00a72.4 (250 ng combined contamination and 2.9%\/7.6%); \u00a72.5, Figure 10 and Table S2 (10 ng, 0.1% versus 1% SDS and 3.5%\/73.6% identification losses, 2.4%\/44.7% intensity losses). Primary full-text XML checked.<\/li>\n<li><a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC3310275\/\"><em>A Simple Sodium Dodecyl Sulfate-assisted Sample Preparation Method for LC-MS-based Proteomics Applications<\/em><\/a>. <em>Analytical Chemistry<\/em>. 2012. DOI <a href=\"https:\/\/doi.org\/10.1021\/ac203394r\">10.1021\/ac203394r<\/a>, PMID 22339560. <strong>Location:<\/strong> Figure 1B and adjacent Results text (approximately 80% recovery after KDS precipitation and C18 SPE of 20 \u00b5g standard peptides). Independent primary experiment; different endpoint and input from [1].<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Detergents and polymers can disrupt LC\u2013MS analysis, so sample cleanup is often necessary. Yet a cleanup step can also lose peptides or change which sequences remain detectable. The right question is not simply whether a contaminant is removed, but whether the chosen method preserves the peptides needed at the actual input mass and contaminant load. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2603,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pim_family_ids":"","pim_article_type":"","pim_evidence_level":"","pim_reviewer":"Codex AI-assisted editorial review","pim_reviewed_date":"2026-09-23T19:26:53+08:00","pim_editorial_note":"","pim_review_status":"reviewed","pim_review_reason":"English source and numeric audit, independent seven-language and 135 numeric-exception AI reviews, 70\/70 authenticated localized previews with 2,607\/2,607 body nodes visible, generated-image provenance and visual review, internal-link and private-draft dedup checks completed. Author is existing NHD Technical Team WP user #1. Prepublication SEO fields and expected slug checked; verify public canonical, hreflang, schema, robots and sitemap immediately after this post publishes, and conditionally roll back on failure. Backup is listed in All-in-One WP Migration; full restore was not rehearsed. No human or native-language review was performed.","pim_creation_method":"AI-assisted editorial draft; independent Codex source, image and seven-language review; human professional review not claimed","pim_sources":"[{\"title\":\"Benchmarking of Two Peptide Clean-Up Protocols: SP2 and Ethyl Acetate Extraction for Sodium Dodecyl Sulfate or Polyethylene Glycol Removal from Plant Samples before LC-MS\/MS\",\"url\":\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC10743447\/\",\"note\":\"Source 1. Abstract (study matrix, inputs, overall comparison); Results \u00a72.4 (250 ng combined contamination and 2.9%\/7.6%); \u00a72.5, Figure 10 and Table S2 (10 ng, 0.1% versus 1% SDS and 3.5%\/73.6% identification losses, 2.4%\/44.7% in\"},{\"title\":\"A Simple Sodium Dodecyl Sulfate-assisted Sample Preparation Method for LC-MS-based Proteomics Applications\",\"url\":\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC3310275\/\",\"note\":\"Source 2. Figure 1B and adjacent Results text (approximately 80% recovery after KDS precipitation and C18 SPE of 20 \u00b5g standard peptides). Independent primary experiment; different endpoint and input from [1].\"}]","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2604","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Peptide Cleanup Before LC\u2013MS: Test Recovery at the Actual Input<\/title>\n<meta name=\"description\" content=\"A plant-proteomics study compared magnetic-bead cleanup across 10 ng to 10 \u00b5g inputs and found a sharp failure at 10 ng with 1% SDS.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nhdbio.com\/fr\/purification-de-peptides-par-sds-peg-lc-ms-a-faible-volume-dechantillon\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Peptide Cleanup Before LC\u2013MS: Cleaner Does Not Always Mean Better Recovery\" \/>\n<meta property=\"og:description\" content=\"A plant-proteomics study compared magnetic-bead cleanup across 10 ng to 10 \u00b5g inputs and found a sharp failure at 10 ng with 1% SDS.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/nhdbio.com\/fr\/purification-de-peptides-par-sds-peg-lc-ms-a-faible-volume-dechantillon\/\" \/>\n<meta property=\"og:site_name\" content=\"NHD\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-23T11:56:59+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/featured-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1817\" \/>\n\t<meta property=\"og:image:height\" content=\"866\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"NHD Technical Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" content=\"Peptide Raw Materials and Custom Peptide Synthesis\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"NHD Technical Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/\"},\"author\":{\"name\":\"NHD Technical Team\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#\\\/schema\\\/person\\\/0ffb0dec7fda0f720073fc468fac6fc1\"},\"headline\":\"Peptide Cleanup Before LC\u2013MS: Cleaner Does Not Always Mean Better Recovery\",\"datePublished\":\"2026-09-23T11:56:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/\"},\"wordCount\":726,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/nhdbio.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/featured-1.png\",\"articleSection\":[\"Uncategorized\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/\",\"url\":\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/\",\"name\":\"Peptide Cleanup Before LC\u2013MS: Test Recovery at the Actual Input\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/nhdbio.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/featured-1.png\",\"datePublished\":\"2026-09-23T11:56:59+00:00\",\"description\":\"A plant-proteomics study compared magnetic-bead cleanup across 10 ng to 10 \u00b5g inputs and found a sharp failure at 10 ng with 1% SDS.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/#primaryimage\",\"url\":\"https:\\\/\\\/nhdbio.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/featured-1.png\",\"contentUrl\":\"https:\\\/\\\/nhdbio.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/featured-1.png\",\"width\":1817,\"height\":866,\"caption\":\"Conceptual illustration of a peptide sample cleanup workflow. Not experimental data.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/peptide-cleanup-sds-peg-low-input-lcms\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/nhdbio.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Peptide Cleanup Before LC\u2013MS: Cleaner Does Not Always Mean Better Recovery\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#website\",\"url\":\"https:\\\/\\\/nhdbio.com\\\/\",\"name\":\"NHD\",\"description\":\"Peptide Raw Materials and Custom Peptide Synthesis\",\"publisher\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/nhdbio.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#organization\",\"name\":\"NHD\",\"url\":\"https:\\\/\\\/nhdbio.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/nhdbio.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/codex-clipboard-354c928e-4b5b-482d-9261-02023d4c9680.png\",\"contentUrl\":\"https:\\\/\\\/nhdbio.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/codex-clipboard-354c928e-4b5b-482d-9261-02023d4c9680.png\",\"width\":2172,\"height\":724,\"caption\":\"NHD\"},\"image\":{\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/nhdbio.com\\\/#\\\/schema\\\/person\\\/0ffb0dec7fda0f720073fc468fac6fc1\",\"name\":\"NHD Technical Team\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8445618b3e2834fa0c7ae1a03a371ed002e9bf8d2cc1cd989dc4a71bb2b66110?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8445618b3e2834fa0c7ae1a03a371ed002e9bf8d2cc1cd989dc4a71bb2b66110?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8445618b3e2834fa0c7ae1a03a371ed002e9bf8d2cc1cd989dc4a71bb2b66110?s=96&d=mm&r=g\",\"caption\":\"NHD Technical Team\"},\"description\":\"NHD Technical Team maintains research-use catalog documentation and evidence summaries. Reviewed articles link to peer-reviewed papers, trial registries and regulatory records, retain null findings and study limitations, and distinguish published interventions from catalog materials. AI-assisted drafting may be used for structure; source links and evidence boundaries remain visible. This work is not independent peer review or medical advice.\",\"sameAs\":[\"https:\\\/\\\/nhdbio.com\"],\"url\":\"https:\\\/\\\/nhdbio.com\\\/fr\\\/author\\\/qianmiao-technical-team\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Nettoyage des peptides avant LC\u2013MS\u00a0:\u00a0une purification accrue ne garantit pas une meilleure r\u00e9cup\u00e9ration","description":"Une \u00e9tude de prot\u00e9omique v\u00e9g\u00e9tale teste le nettoyage entre 10 ng et 10 \u00b5g; \u00e0 10 ng avec 1% SDS, les identifications chutent fortement.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/nhdbio.com\/fr\/purification-de-peptides-par-sds-peg-lc-ms-a-faible-volume-dechantillon\/","og_locale":"fr_FR","og_type":"article","og_title":"Peptide Cleanup Before LC\u2013MS: Cleaner Does Not Always Mean Better Recovery","og_description":"A plant-proteomics study compared magnetic-bead cleanup across 10 ng to 10 \u00b5g inputs and found a sharp failure at 10 ng with 1% SDS.","og_url":"https:\/\/nhdbio.com\/fr\/purification-de-peptides-par-sds-peg-lc-ms-a-faible-volume-dechantillon\/","og_site_name":"NHD","article_published_time":"2026-09-23T11:56:59+00:00","og_image":[{"width":1817,"height":866,"url":"http:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/featured-1.png","type":"image\/png"}],"author":"NHD Technical Team","twitter_card":"summary_large_image","twitter_description":"Peptide Raw Materials and Custom Peptide Synthesis","twitter_misc":{"\u00c9crit par":"NHD Technical Team","Dur\u00e9e de lecture estim\u00e9e":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/#article","isPartOf":{"@id":"https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/"},"author":{"name":"NHD Technical Team","@id":"https:\/\/nhdbio.com\/#\/schema\/person\/0ffb0dec7fda0f720073fc468fac6fc1"},"headline":"Peptide Cleanup Before LC\u2013MS: Cleaner Does Not Always Mean Better Recovery","datePublished":"2026-09-23T11:56:59+00:00","mainEntityOfPage":{"@id":"https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/"},"wordCount":726,"commentCount":0,"publisher":{"@id":"https:\/\/nhdbio.com\/#organization"},"image":{"@id":"https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/#primaryimage"},"thumbnailUrl":"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/featured-1.png","articleSection":["Uncategorized"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/","url":"https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/","name":"Nettoyage des peptides avant LC\u2013MS\u00a0:\u00a0une purification accrue ne garantit pas une meilleure r\u00e9cup\u00e9ration","isPartOf":{"@id":"https:\/\/nhdbio.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/#primaryimage"},"image":{"@id":"https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/#primaryimage"},"thumbnailUrl":"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/featured-1.png","datePublished":"2026-09-23T11:56:59+00:00","description":"Une \u00e9tude de prot\u00e9omique v\u00e9g\u00e9tale teste le nettoyage entre 10 ng et 10 \u00b5g; \u00e0 10 ng avec 1% SDS, les identifications chutent fortement.","breadcrumb":{"@id":"https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/#primaryimage","url":"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/featured-1.png","contentUrl":"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/featured-1.png","width":1817,"height":866,"caption":"Conceptual illustration of a peptide sample cleanup workflow. Not experimental data."},{"@type":"BreadcrumbList","@id":"https:\/\/nhdbio.com\/peptide-cleanup-sds-peg-low-input-lcms\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/nhdbio.com\/"},{"@type":"ListItem","position":2,"name":"Peptide Cleanup Before LC\u2013MS: Cleaner Does Not Always Mean Better Recovery"}]},{"@type":"WebSite","@id":"https:\/\/nhdbio.com\/#website","url":"https:\/\/nhdbio.com\/","name":"NHD","description":"Mati\u00e8res premi\u00e8res peptidiques et synth\u00e8se sur mesure","publisher":{"@id":"https:\/\/nhdbio.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/nhdbio.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/nhdbio.com\/#organization","name":"NHD","url":"https:\/\/nhdbio.com\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/nhdbio.com\/#\/schema\/logo\/image\/","url":"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/codex-clipboard-354c928e-4b5b-482d-9261-02023d4c9680.png","contentUrl":"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/codex-clipboard-354c928e-4b5b-482d-9261-02023d4c9680.png","width":2172,"height":724,"caption":"NHD"},"image":{"@id":"https:\/\/nhdbio.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/nhdbio.com\/#\/schema\/person\/0ffb0dec7fda0f720073fc468fac6fc1","name":"\u00c9quipe technique NHD","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/8445618b3e2834fa0c7ae1a03a371ed002e9bf8d2cc1cd989dc4a71bb2b66110?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8445618b3e2834fa0c7ae1a03a371ed002e9bf8d2cc1cd989dc4a71bb2b66110?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8445618b3e2834fa0c7ae1a03a371ed002e9bf8d2cc1cd989dc4a71bb2b66110?s=96&d=mm&r=g","caption":"NHD Technical Team"},"description":"L'\u00e9quipe technique NHD maintient la documentation du catalogue d'utilisation de la recherche et les r\u00e9sum\u00e9s des preuves. Les articles examin\u00e9s renvoient \u00e0 des articles \u00e9valu\u00e9s par des pairs, \u00e0 des registres d'essais et \u00e0 des dossiers r\u00e9glementaires, conservent les r\u00e9sultats nuls et les limites des \u00e9tudes, et distinguent les interventions publi\u00e9es des documents du catalogue. Le dessin assist\u00e9 par AI peut \u00eatre utilis\u00e9 pour la structure\u00a0; les liens vers les sources et les limites des preuves restent visibles. Ce travail ne constitue pas un examen ind\u00e9pendant par des pairs ni un avis m\u00e9dical.","sameAs":["https:\/\/nhdbio.com"],"url":"https:\/\/nhdbio.com\/fr\/author\/qianmiao-technical-team\/"}]}},"_links":{"self":[{"href":"https:\/\/nhdbio.com\/fr\/wp-json\/wp\/v2\/posts\/2604","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nhdbio.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nhdbio.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nhdbio.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nhdbio.com\/fr\/wp-json\/wp\/v2\/comments?post=2604"}],"version-history":[{"count":1,"href":"https:\/\/nhdbio.com\/fr\/wp-json\/wp\/v2\/posts\/2604\/revisions"}],"predecessor-version":[{"id":2630,"href":"https:\/\/nhdbio.com\/fr\/wp-json\/wp\/v2\/posts\/2604\/revisions\/2630"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nhdbio.com\/fr\/wp-json\/wp\/v2\/media\/2603"}],"wp:attachment":[{"href":"https:\/\/nhdbio.com\/fr\/wp-json\/wp\/v2\/media?parent=2604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nhdbio.com\/fr\/wp-json\/wp\/v2\/categories?post=2604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nhdbio.com\/fr\/wp-json\/wp\/v2\/tags?post=2604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}