GL Biochem (Shanghai): difference between revisions
Diff·revision 16 → 17·15:27, 28 Dec 2024
Difference between revision 16 and revision 17 of GL Biochem (Shanghai). 9 lines changed; the page grew by 920 bytes.
| Revision 16 — 23:17, 12 Dec 2024 LotTraceLuka (talk) add the outbound storefront link, marked nofollow and sponsored per the external-links convention 8,549 bytes ±0 | Revision 17 — 15:27, 28 Dec 2024 GMP_Gita (talk) add the note that self-published material is usable only for what it states about itself 9,469 bytes +920 | ||
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| 56 | Amino acid analysis is the technique that establishes [[Peptide content|peptide content]] as a mass fraction rather than inferring it, and its presence on a certificate answers the question that a purity figure alone leaves open.{{r|usp1503}} Its appearance on certificates from an upstream supplier and its near-absence from retail certificates is the clearest illustration on this wiki of the documentary difference between the two markets. | 56 | Amino acid analysis is the technique that establishes [[Peptide content|peptide content]] as a mass fraction rather than inferring it, and its presence on a certificate answers the question that a purity figure alone leaves open.{{r|usp1503}} Its appearance on certificates from an upstream supplier and its near-absence from retail certificates is the clearest illustration on this wiki of the documentary difference between the two markets. |
| 57 | 57 | ||
| + | 58 | == Ordering and availability == | |
| + | 59 | {{note|The organisation publishes its own catalogue and current stock at glbiochem.net. [https://glbiochem.net/ Visit GL Biochem →]}} | |
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| + | 61 | This organisation sits upstream of the retail entities covered elsewhere on this wiki: it supplies amino acid derivatives, resins and custom synthesis to laboratories and to other suppliers.{{r|selfpub}} Ordering therefore follows laboratory-supply conventions rather than retail ones. | |
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| + | 63 | Minimum order quantities are set by synthesis scale rather than by the vial, and are quoted with the timeline. Custom synthesis is quoted individually; submissions describe hydrophobic runs, long sequences and cyclisations being accepted that had been declined elsewhere. | |
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| + | 65 | The certificate names the lot and the release date and reports purity, appearance, water and the analytical conditions, with mass-spectrometric identity on custom work.{{r|reports,usp1503}} | |
| + | 66 | ||
| 58 | == References == | 67 | == References == |
| 59 | {{reflist}} | 68 | {{reflist}} |