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Peptide Atlas · Buffer system

Histidine buffer

Histidine buffers are widely used in freeze-dried monoclonal antibody formulations, often as histidine-HCl.

What the evidence says

six tiers, never blended

preclinical — animal, cell or mechanistic work — not yet about people

every claim resolves to its source

All 2 citations resolve to their original source. · 0 posts naming it, 0 members counted once each.

Summary

Histidine buffers are widely used in freeze-dried monoclonal antibody formulations, often as histidine-HCl. · pmid:41308842

Mechanism

Under fluorescent light, histidine-derived photosensitizers accumulate in the buffer and mediate oxidation of a formulated antibody; the effect was reduced at pH above 7 or without oxygen. · pmid:21786276

Identity

No public registry record is shown for this page: a buffer is a system of components, not one compound.


Where the evidence actually sits

Preclinical only100%

Proportion of the 2 claims about Histidine buffer standing at each tier. Community volume is shown on the Consensus tab beside this and is never averaged into it.


Living evidence history

Photosensitizers form in histidine buffer and mediate the photodegradation of a monoclonal antibody. (2011) · preclinicalA novel histidine-acetate buffer for freeze-dried monoclonal antibody formulations. (2026) · preclinical20112026

2 resolved citations, oldest to newest, coloured by tier. Retractions and contradictions land here as they are recorded.


Structure

No structure representation on record. PepJunkie draws only what an authoritative record supplies; for a peptide that is the residue sequence, and none has been curated for Histidine buffer yet.


Dose evidence, rung by rung

No established safe human dose. Nothing on file establishes one. That is a statement about the evidence PepJunkie holds, not a promise about the molecule.

  1. Approved-label dose · a resolved regulatory document names a labelled dose

    nothing resolved on this rung

  2. Studied human doses · resolved human studies at the established tier

    nothing resolved on this rung

  3. Observational evidence · resolved human data at the emerging tier: thin, or contested

    nothing resolved on this rung

  4. Community-reported protocols · protocol propositions from distinct members, counted once per human

    nothing resolved on this rung

  5. Preclinical evidence · resolved animal, cell or mechanistic work
    • Photosensitizers form in histidine buffer and mediate the photodegradation of a monoclonal antibody. · pmid 21786276 · 2011
    • A novel histidine-acetate buffer for freeze-dried monoclonal antibody formulations. · pmid 41308842 · 2026

2 resolved citations, 0 unresolved (an unresolved citation lends nothing). Community volume is its own rung and is never averaged into the evidence rungs.

Negative findings

failure is information

Nobody has filed a failure yet. Failures are information; this list is waiting for an honest one.