# Separation of tryptophan from DSIP, a Trp-nonapeptide, by adsorption to aluminum oxide.

> PubMed lists PMID 3777433 in Analytical biochemistry as Journal Article, with publication-date metadata of 1986-09 (month precision). PeptideScanner associated the retained record with the identity slug emideltide. These fields reproduce attributed bibliographic metadata and do not summarize or endorse the article's findings.

- Evidence object: `story:pubmed-pmid-3777433-emideltide:v1`
- Evidence domain: Literature metadata
- Date in source: 2019-06-28
- Source checked: 2026-07-30
- Published by PeptideScanner: 2026-08-13
- Story landing page: https://peptidescanner.com/stories/pubmed-pmid-3777433-emideltide/
- JSON record: https://peptidescanner.com/evidence/v1/objects/pubmed-pmid-3777433-emideltide-v1.json
- Content SHA-256: `2633c09ec5d738fa380717cff9ac65205a1adc1e3eec86bc489353cc9f437385`

## Claims and source pins

### Headline

Separation of tryptophan from DSIP, a Trp-nonapeptide, by adsorption to aluminum oxide. ([`pubmed-observation-pmid-3777433-2019-06-28-77db209931ed`](#source-pubmed-observation-pmid-3777433-2019-06-28-77db209931ed))

### Summary

PubMed lists PMID 3777433 in Analytical biochemistry as Journal Article, with publication-date metadata of 1986-09 (month precision). PeptideScanner associated the retained record with the identity slug emideltide. These fields reproduce attributed bibliographic metadata and do not summarize or endorse the article's findings. ([`pubmed-observation-pmid-3777433-2019-06-28-77db209931ed`](#source-pubmed-observation-pmid-3777433-2019-06-28-77db209931ed))

### Paragraph 1

PubMed lists PMID 3777433 in Analytical biochemistry as Journal Article, with publication-date metadata of 1986-09 (month precision). PeptideScanner associated the retained record with the identity slug emideltide. These fields reproduce attributed bibliographic metadata and do not summarize or endorse the article's findings. ([`pubmed-observation-pmid-3777433-2019-06-28-77db209931ed`](#source-pubmed-observation-pmid-3777433-2019-06-28-77db209931ed))

### Paragraph 2

This page reproduces bounded bibliographic metadata attributed to PubMed. Its title and publication details are source metadata, not PeptideScanner's endorsement or an assertion of safety, efficacy, or scientific truth. ([`pubmed-observation-pmid-3777433-2019-06-28-77db209931ed`](#source-pubmed-observation-pmid-3777433-2019-06-28-77db209931ed))

## Sources

<a id="source-pubmed-observation-pmid-3777433-2019-06-28-77db209931ed"></a>
- **Separation of tryptophan from DSIP, a Trp-nonapeptide, by adsorption to aluminum oxide. · retained source version 1:2019-06-28:current:77db209931eda5cbb7d5186063db099cb161acbb1cef2b8f1517e71a277b85c6** — PubMed; class A. [Open source](https://pubmed.ncbi.nlm.nih.gov/3777433/) (`pubmed-observation-pmid-3777433-2019-06-28-77db209931ed`)

## Correction lineage

No correction is recorded for this version.

## Reporting boundaries and unknowns

PeptideScanner reproduces bounded bibliographic metadata attributed to PubMed. It does not summarize or endorse the article's findings.

- Sources outside the selected public PeptideScanner bundle may exist and are not represented by this object.
- This object does not determine whether cited records agree, corroborate one another, or establish scientific truth.
- This object does not determine safety, efficacy, causality, or suitability for any person.

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## Suggested citation

PeptideScanner. "Separation of tryptophan from DSIP, a Trp-nonapeptide, by adsorption to aluminum oxide." Version 1, published 2026-08-13. https://peptidescanner.com/evidence/v1/objects/pubmed-pmid-3777433-emideltide-v1.json SHA-256: 2633c09ec5d738fa380717cff9ac65205a1adc1e3eec86bc489353cc9f437385.