Peptide Atlas · Excipient

MES

MES is one of the Good's buffers; on freezing these buffers tend to become more basic, and MES showed the largest change of the three studied, up to two pH units.

established

provisional
PubChem 78165
2 citations
2 discussions
0 followers
MES (2-(N-Morpholino)ethanesulfonic Acid)

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What the evidence says

six tiers, never blended

established — replicated in humans, or settled by a regulator

every claim resolves to its source

All 2 citations resolve to their original source. · 2 posts naming it, 1 member counted once each.

Evidence, kept apart

The Atlas never mixes evidence types into one blob. Each claim below carries the tier it actually sits in; an unresolved citation is shown and does not move the page.

Evidence map for MES. Tier reflects study design, not enthusiasm.
Claim	Tier	Source
Hydrogen ion buffers for biological research (1966)	established	pmid 5942950
Freezing-induced acidity changes in HEPES, MOPS and MES	preclinical	pmid 33271311

Unanswered questions

No open questions on file. Either everything about this molecule is known, or nobody has admitted what is not.

Negative findings

failure is information

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