{"id":543,"date":"2026-08-27T18:00:00","date_gmt":"2026-08-27T18:00:00","guid":{"rendered":"https:\/\/nhdbio.com\/?p=543"},"modified":"2026-08-28T08:41:50","modified_gmt":"2026-08-28T08:41:50","slug":"lc-ms-peptide-identity-exact-mass-isotopes-msms","status":"publish","type":"post","link":"https:\/\/nhdbio.com\/ar\/lc-ms-peptide-identity-exact-mass-isotopes-msms\/","title":{"rendered":"\u0642\u0631\u0627\u0621\u0629 \u0647\u0648\u064a\u0629 \u0627\u0644\u0628\u0628\u062a\u064a\u062f LC-MS: \u0627\u0644\u0643\u062a\u0644\u0629 \u0627\u0644\u062f\u0642\u064a\u0642\u0629\u060c \u0648\u0623\u063a\u0644\u0641\u0629 \u0627\u0644\u0646\u0638\u0627\u0626\u0631\u060c \u0648MS\/MS"},"content":{"rendered":"

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\u0627\u0644\u0644\u0648\u0646\u064a + MS<\/td>\n\u0647\u0644 \u062a\u0631\u062a\u0628\u0637 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u062c\u0645\u0627\u0639\u064a\u0629 \u0628\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0645 \u062d\u0644\u0647\u0627\u061f<\/td>\n\u0642\u062f \u064a\u0624\u062f\u064a \u0627\u0644\u0634\u0637\u0641 \u0627\u0644\u0645\u0634\u062a\u0631\u0643 \u0648\u0642\u0645\u0639 \u0627\u0644\u0623\u064a\u0648\u0646\u0627\u062a \u0625\u0644\u0649 \u0625\u062e\u0641\u0627\u0621 \u0627\u0644\u0623\u0646\u0648\u0627\u0639<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u0645\u0627 \u064a\u0636\u064a\u0641 MS\/MS<\/h2>\n

Tandem MS \u064a\u0639\u0632\u0644 \u0627\u0644\u0633\u0644\u0627\u0626\u0641 \u0648\u064a\u062c\u0632\u0626\u0647\u0627. \u064a\u0645\u0643\u0646 \u0644\u0633\u0644\u0633\u0644\u0629 \u0645\u0646 \u0623\u064a\u0648\u0646\u0627\u062a \u0627\u0644\u0645\u0646\u062a\u062c \u0623\u0646 \u062a\u062f\u0639\u0645 \u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u0628\u0642\u0627\u064a\u0627 \u0639\u0628\u0631 \u0623\u062c\u0632\u0627\u0621 \u0645\u0646 \u0627\u0644\u062a\u0633\u0644\u0633\u0644 \u0648\u062a\u0648\u0637\u064a\u0646 \u0628\u0639\u0636 \u0627\u0644\u062a\u0639\u062f\u064a\u0644\u0627\u062a. \u064a\u062c\u0628 \u0623\u0646 \u062a\u0634\u064a\u0631 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0625\u0644\u0649 \u062a\u063a\u0637\u064a\u0629 \u0627\u0644\u062a\u0633\u0644\u0633\u0644 \u0648\u0627\u0644\u062e\u0637\u0623 \u0627\u0644\u062c\u0645\u0627\u0639\u064a \u0648\u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u063a\u0627\u0645\u0636\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0645\u062c\u0631\u062f \u0648\u0636\u0639 \u0639\u0644\u0627\u0645\u0629 \"\u062a\u0645\u0631\u064a\u0631\". \u0627\u0644\u062a\u063a\u0637\u064a\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0644\u064a\u0633\u062a \u0645\u062a\u0637\u0627\u0628\u0642\u0629 \u0645\u0639 \u0627\u0644\u062f\u0644\u064a\u0644 \u0627\u0644\u0647\u064a\u0643\u0644\u064a \u0627\u0644\u0643\u0627\u0645\u0644\u060c \u0648\u0628\u0639\u0636 \u0627\u0644\u0645\u062e\u0644\u0641\u0627\u062a \u0623\u0648 \u0627\u0644\u062a\u0639\u062f\u064a\u0644\u0627\u062a \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0629 \u062a\u062a\u0637\u0644\u0628 \u0637\u0631\u0642\u064b\u0627 \u0623\u062e\u0631\u0649.<\/p>\n

\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u0633\u0644\u0633\u0644\u0627\u062a \u0627\u0644\u0635\u0639\u0628\u0629\u060c \u0642\u062f \u064a\u0643\u0648\u0646 \u0627\u0644\u062a\u062c\u0632\u0626\u0629 \u0627\u0644\u062a\u0643\u0645\u064a\u0644\u064a\u0629 \u0623\u0648 \u0631\u0633\u0645 \u062e\u0631\u0627\u0626\u0637 \u0627\u0644\u0628\u0628\u062a\u064a\u062f \u0623\u0648 \u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0623\u062d\u0645\u0627\u0636 \u0627\u0644\u0623\u0645\u064a\u0646\u064a\u0629 \u0623\u0648 \u0623\u064a \u062a\u0642\u0646\u064a\u0629 \u0645\u062a\u0639\u0627\u0645\u062f\u0629 \u0623\u062e\u0631\u0649 \u0645\u0646\u0627\u0633\u0628\u0629. \u064a\u062c\u0628 \u0623\u0646 \u062a\u062a\u0628\u0639 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0647\u0648\u064a\u0629 \u0648\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a\u060c \u0648\u0644\u064a\u0633 \u0642\u0627\u0626\u0645\u0629 \u0645\u0631\u062c\u0639\u064a\u0629 \u062a\u0633\u0648\u064a\u0642\u064a\u0629 \u062b\u0627\u0628\u062a\u0629.<\/p>\n

\u0643\u064a\u0641\u064a\u0629 \u0641\u062d\u0635 \u0633\u062c\u0644 LC-MS \u0627\u0644\u062e\u0627\u0635 \u0628\u0627\u0644\u062f\u0641\u0639\u0629<\/h2>\n
    \n
  1. \u0642\u0645 \u0628\u0645\u0637\u0627\u0628\u0642\u0629 \u0627\u0633\u0645 \u0627\u0644\u0639\u064a\u0646\u0629 \u0648\u0627\u0644\u062f\u0641\u0639\u0629 \u0645\u0639 \u0633\u062c\u0644 COA \u0648\u0627\u0644\u0627\u0633\u062a\u062d\u0648\u0627\u0630.<\/li>\n
  2. \u062a\u062d\u062f\u064a\u062f \u0648\u0636\u0639 \u0627\u0644\u0635\u0643\u060c \u0648\u0627\u0644\u062a\u0623\u064a\u0646\u060c \u0648\u0646\u0637\u0627\u0642 \u0627\u0644\u0643\u062a\u0644\u0629 \u0648\u0627\u0644\u0642\u0631\u0627\u0631.<\/li>\n
  3. \u062a\u0623\u0643\u062f \u0645\u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u064f\u0628\u0644\u063a \u0639\u0646\u0647\u0627 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0646\u0638\u0627\u0626\u0631 \u0623\u0648 \u0645\u062a\u0648\u0633\u0637\u0629 \u0648\u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u0623\u064a\u0648\u0646\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u062d\u0633\u0627\u0628\u0647\u0627.<\/li>\n
  4. \u0642\u0645 \u0628\u0645\u0631\u0627\u062c\u0639\u0629 \u0645\u0638\u0631\u0648\u0641 \u062d\u0627\u0644\u0629 \u0627\u0644\u0634\u062d\u0646 \u0627\u0644\u0623\u0648\u0644\u064a\u0629\u060c \u0648\u0644\u064a\u0633 \u0641\u0642\u0637 \u0644\u0642\u0637\u0629 \u0634\u0627\u0634\u0629 \u0645\u0641\u0643\u0643\u0629.<\/li>\n
  5. \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0643\u062a\u0644\u0629 \u0627\u0644\u0639\u062f\u062f\u064a\u0629 \u0627\u0644\u0645\u0631\u0635\u0648\u062f\u0629 \u0648\u0627\u0644\u0643\u062a\u0644\u0629 \u0627\u0644\u0646\u0638\u0631\u064a\u0629 \u0648\u0627\u0644\u062e\u0637\u0623 \u0627\u0644\u0645\u0637\u0644\u0642 \u0623\u0648 \u062c\u0632\u0621 \u0641\u064a \u0627\u0644\u0645\u0644\u064a\u0648\u0646 \u0648\u0645\u0639\u064a\u0627\u0631 \u0627\u0644\u0642\u0628\u0648\u0644.<\/li>\n
  6. \u0625\u0630\u0627 \u062a\u0645\u062a \u0627\u0644\u0645\u0637\u0627\u0644\u0628\u0629 \u0628\u062a\u0623\u0643\u064a\u062f \u0627\u0644\u062a\u0633\u0644\u0633\u0644\u060c \u0642\u0645 \u0628\u0641\u062d\u0635 \u062a\u0639\u064a\u064a\u0646\u0627\u062a \u0627\u0644\u0623\u062c\u0632\u0627\u0621 \u0648\u0627\u0644\u062a\u063a\u0637\u064a\u0629 \u0648\u062c\u0648\u0627\u0646\u0628 \u0627\u0644\u063a\u0645\u0648\u0636 \u0627\u0644\u062a\u064a \u0644\u0645 \u064a\u062a\u0645 \u062d\u0644\u0647\u0627.<\/li>\n
  7. \u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0633\u064a\u0627\u0642 \u0627\u0644\u0643\u0631\u0648\u0645\u0627\u062a\u0648\u063a\u0631\u0627\u0641\u064a \u0644\u062a\u062d\u062f\u064a\u062f \u0645\u0627 \u0625\u0630\u0627 \u062a\u0645\u062a \u0645\u0644\u0627\u062d\u0638\u0629 \u0645\u0643\u0648\u0646\u0627\u062a \u0625\u0636\u0627\u0641\u064a\u0629 \u0623\u0648 \u0634\u0637\u0641 \u0645\u0634\u062a\u0631\u0643.<\/li>\n<\/ol>\n

    \u062f\u0644\u064a\u0644 \u0627\u0644\u0647\u0648\u064a\u0629 \u0644\u064a\u0633 \u0627\u0644\u0646\u0642\u0627\u0621 \u0623\u0648 \u0627\u0644\u0645\u062d\u062a\u0648\u0649<\/h2>\n

    \u0648\u064a\u0645\u0643\u0646 \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0637\u064a\u0641 \u0645\u0642\u0646\u0639 \u0645\u0646 \u0645\u0643\u0648\u0646 \u062b\u0627\u0646\u0648\u064a \u0641\u064a \u0639\u064a\u0646\u0629 \u0645\u062e\u062a\u0644\u0637\u0629. \u0639\u0644\u0649 \u0627\u0644\u0639\u0643\u0633 \u0645\u0646 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0630\u0631\u0648\u0629 HPLC \u0627\u0644\u0645\u0647\u064a\u0645\u0646\u0629 \u0644\u0627 \u062a\u062d\u062f\u062f \u0646\u0641\u0633\u0647\u0627. \u0627\u0644\u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0643\u0645\u064a \u064a\u062a\u0637\u0644\u0628 \u0641\u062d\u0635\u0627 \u0645\u0646\u0627\u0633\u0628\u0627\u061b \u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u0646\u0642\u0627\u0621 \u0627\u0644\u0643\u0631\u0648\u0645\u0627\u062a\u0648\u063a\u0631\u0627\u0641\u064a \u0637\u0631\u064a\u0642\u0629 \u0641\u0635\u0644 \u0648\u062a\u0643\u0627\u0645\u0644 \u0645\u062d\u062f\u062f\u0629. \u0648\u064a\u062c\u0628 \u0623\u0646 \u062a\u062a\u0641\u0642 \u0647\u0630\u0647 \u0627\u0644\u0633\u062c\u0644\u0627\u062a \u0645\u0639 \u0627\u0644\u0627\u062d\u062a\u0641\u0627\u0638 \u0628\u0645\u0639\u0627\u0646\u064a\u0647\u0627 \u0627\u0644\u0645\u0646\u0641\u0635\u0644\u0629.<\/p>\n

    \u0623\u0642\u0648\u0649 \u0627\u062f\u0639\u0627\u0621 \u0642\u0635\u064a\u0631 \u0645\u062d\u062f\u062f: \"\u064a\u0634\u064a\u0631 \u0633\u062c\u0644 \u0627\u0644\u062f\u0641\u0639\u0629 \u0625\u0644\u0649 \u0643\u062a\u0644\u0629 \u0633\u0644\u064a\u0645\u0629 \u0645\u0644\u062d\u0648\u0638\u0629 \u0645\u0646 X \u0628\u0645\u0648\u062c\u0628 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 Y\u060c \u0636\u0645\u0646 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 Z\u060c \u0645\u0639 \u0627\u0644\u0637\u064a\u0641 \u0627\u0644\u0645\u0631\u0641\u0642.\" \u0628\u062f\u0648\u0646 \u0647\u0630\u0647 \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u062e\u0627\u0635\u0629 \u0628\u0627\u0644\u062f\u0641\u0639\u0629\u060c \u064a\u0645\u0643\u0646 \u0644\u0645\u0634\u0631\u062d LC-MS \u0627\u0644\u0639\u0627\u0645 \u0623\u0646 \u064a\u0642\u0648\u0645 \u0628\u062a\u0639\u0644\u064a\u0645 \u0627\u0644\u062a\u0641\u0633\u064a\u0631 \u0648\u0644\u0643\u0646 \u0644\u0627 \u064a\u0645\u0643\u0646\u0647 \u0627\u0644\u062a\u0635\u062f\u064a\u0642 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c.<\/p>","protected":false},"excerpt":{"rendered":"

    \u062f\u0644\u064a\u0644 \u0639\u0645\u0644\u064a \u0644\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u0634\u062d\u0646\u060c \u0648\u0627\u0644\u0643\u062a\u0644\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u0644\u062a\u0648\u064a\u0629\u060c \u0648\u0623\u063a\u0644\u0641\u0629 \u0627\u0644\u0646\u0638\u0627\u0626\u0631\u060c \u0648\u0623\u062f\u0644\u0629 \u062a\u0633\u0644\u0633\u0644 MS\/MS - \u0648\u0644\u0645\u0627\u0630\u0627 \u0644\u0627 \u062a\u0639\u062a\u0628\u0631 \u0627\u0644\u0643\u062a\u0644\u0629 \u0627\u0644\u0645\u0637\u0627\u0628\u0642\u0629 \u062f\u0644\u064a\u0644\u0627\u064b \u0643\u0627\u0645\u0644\u0627\u064b \u0639\u0644\u0649 \u0627\u0644\u0647\u0648\u064a\u0629.<\/p>","protected":false},"author":1,"featured_media":649,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pim_family_ids":"","pim_article_type":"Quality documentation guide","pim_evidence_level":"ICH Q6B\/FDA peptide-characterization principles plus peer-reviewed LC-MS methods; no lot-specific spectrum","pim_reviewer":"NHD evidence editorial workflow","pim_reviewed_date":"2026-08-28","pim_editorial_note":"Illustrated spectra are editorial abstractions. This guide does not authenticate a sequence or catalog lot; interpretation requires the original method, raw data and sample traceability.","pim_review_status":"reviewed","pim_review_reason":"Primary regulatory guidance and peer-reviewed analytical sources with explicit lot-evidence boundaries.","pim_creation_method":"The editorial workflow starts with linked regulatory guidance and peer-reviewed analytical-method records; extracts scope, definitions, required fields and limitations; and separates general method principles from product- and lot-specific claims. AI-assisted drafting was used to structure the first version. Claims, examples and boundaries were checked against the linked records in the site editorial workflow. This is not independent peer review or evidence that any catalog lot has passed the tests described.","pim_sources":"[{\"title\":\"ICH Q6B: Specifications\u2014Test Procedures and Acceptance Criteria for Biotechnological\/Biological Products\",\"url\":\"https:\/\/www.fda.gov\/media\/71510\/download\",\"note\":\"Discusses mass spectrometry and peptide mapping as characterization tools.\"},{\"title\":\"FDA: ANDAs for Certain Highly Purified Synthetic Peptide Drug Products\",\"url\":\"https:\/\/www.fda.gov\/media\/107622\/download\",\"note\":\"Regulatory context for sequence-related peptide impurities and orthogonal characterization.\"},{\"title\":\"High-resolution MS\/MS for synthetic peptide sequence confirmation\",\"url\":\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26424266\/\",\"note\":\"Peer-reviewed method record; PMID 26424266.\"},{\"title\":\"LC-MS\/MS characterization of synthetic peptide impurities\",\"url\":\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19953542\/\",\"note\":\"Peer-reviewed impurity-characterization record; PMID 19953542.\"}]","footnotes":""},"categories":[21],"tags":[],"class_list":["post-543","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-quality-documentation-guides"],"yoast_head":"\nLC-MS Peptide Identity: Exact Mass, Isotopes and MS\/MS<\/title>\n<meta name=\"description\" content=\"Learn how to interpret peptide LC-MS identity data: charge states, deconvoluted exact mass, isotope envelopes, fragment ions and the limits of intact mass.\" \/>\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\/ar\/lc-ms-peptide-identity-exact-mass-isotopes-msms\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reading LC-MS Peptide Identity: Exact Mass, Isotope Envelopes and MS\/MS\" \/>\n<meta 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