Desalinizzazione dei peptidi
Purificazione e desalinizzazione dei peptidi negli approcci proteomici bottom-up con BioSPE® PurePep.
BioSPE® PurePep è utilizzato per un efficiente desaltazione dei peptidi dopo la digestione enzimatica, prima dell’analisi LC-MS/MS. Dopo il desalaggio del digest di HeLa su BioSPE® PurePep è stato identificato fino al 97% di proteine, con un buon recupero di peptidi sull’intero intervallo di polarità e una buona ripetibilità (RSD < 3%).
Per il desalaggio dei peptidi più idrofili, si consiglia l’uso di BioSPE® PurePep Broad, in grado di trattenere efficacemente i piccoli peptidi polari. BioSPE® PurePep Broad è stabile anche in condizioni di pH estreme (pH 0-14) e può asciugarsi durante il processo SPE senza conseguenze sui risultati.
I kit BioSPE® PurePep e BioSPE™ PurePep Broad sono composti da:
- Colonne di desalinizzazione
- Adattatori (per la centrifugazione dei puntali) e/o strumenti di raccolta (provette da centrifuga o piastre di raccolta). Ogni kit contiene due strumenti di raccolta (uno per le fasi di condizionamento/caricamento/lavaggio e uno per la fase di eluizione)
- Un protocollo dettagliato per una desalinizzazione facile e veloce
Per determinare il formato e la capacità più adatti alle proprie esigenze, consultare le tabelle nella scheda “Formati e capacità”.
- Nessun vincolo di conservazione (si conserva asciutto a temperatura ambiente)
- Diversi formati disponibili per adattarsi al volume e alla produttività dei campioni (SPE Tips, colonne Spin, piastre da 96 & 384 pozzetti e cartucce SPE)
- Due capacità disponibili per ciascun formato a seconda della quantità di peptidi
Dettagli sui volumi di carico e di eluizione dei nostri diversi prodotti BioSPE® PurePep per trovare il prodotto migliore in base al volume del campione.
Tabella informativa sulle capacità (quantità massima di peptidi/proteine che possono essere trattenuti) dei nostri diversi prodotti BioSPE® PurePep.
Letteratura
Hijazi, H. et al. (2025) ‘Mind Your Spectra: Points to be Aware of When Validating the Identification of Isobaric Histone Peptidoforms’, Journal of Proteome Research.
Nella loro ultima pubblicazione, Hassan M. Hijazi et al. analizzano l’identificazione delle varianti istoniche H3mm7 e H3mm13 specifiche del topo da estratti di cervello e testicolo mediante LC-MS/MS.
Per consentire un’accurata rilevazione delle modifiche post-traslazionali, come l’acetilazione e la lattilazione, la purificazione dei peptidi è stata eseguita con Affinisep BioSPE® PurePep, che si è rivelato altamente efficace nel rimuovere le sostanze interferenti e preservare i peptidi modificati.
Questo approccio ha migliorato la qualità spettrale MS/MS, in particolare per gli ioni critici come b1 e CycIm, e ha contribuito ad affrontare le sfide legate alle varianti isobariche causate da modifiche incontrollate come la propionilazione.
Prodotto utilizzato : BioSPE® PurePep Tips 200µl (KT-Adapt-Tips-PurePep.H.200.96)
Note applicative
- Proteomica
Estimation of the working range on BioSPE™PurePep SPE Tips – Standard capacity
Nuovo !
Peptide desalting with BioSPE™ PurePep
Frazionamento dei peptidi
Miglioramento dell’identificazione delle proteine mediante LC-MS/MS in campioni biologici complessi come il plasma, grazie al frazionamento dei peptidi a pH basico.
Rimozione delle microsfere magnetiche
Rimozione delle microsfere magnetiche dai campioni dopo la preparazione dei campioni a vaso singolo e a incremento di fase solida (SP3).
Purificazione di proteine intatte
Purificazione di proteine intatte negli approcci proteomici top-down.
ELENCO PRODOTTI
| Product Image | Nome del prodotto | Product Description | Prezzo del prodotto | Azioni del carrello | |
|---|---|---|---|---|---|
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BioSPE™ PurePep – 96 wellplate & collection plates
Ref. : KT-Coll-96W-PurePep.S.1 |
96 Wellplate for peptide desalting - 1mL wells - Standard Capacity - 1/pk + Collection plates - 1mL - 2/pk |
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|
BioSPE™ PurePep – 96 wellplate & collection plates
Ref. : KT-Coll-96W-PurePep.H.1 |
96 Wellplate for peptide desalting - 1mL wells - High Capacity - 1/pk + Collection plates - 1mL - 2/pk |
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|
BioSPE™ PurePep Broad – 96 wellplate & collection plates
Ref. : KT-Coll-96W-PurePep-Broad.H.1 |
96 Wellplate for peptide purification on broad pH range (pH 0-14) - 1mL wells - High Capacity - 1/pk + Collection plates - 1mL - 2/pk |
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|
BioSPE™ PurePep Broad – 96 wellplate & collection plates
Ref. : KT-Coll-96W-PurePep-Broad.S.1 |
96 Wellplate for peptide purification on broad pH range (pH 0-14) - 1mL wells - Standard Capacity - 1/pk + Collection plates - 1mL - 2/pk |
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|
BioSPE™ PurePep Broad – Tips 10µL & spin adapters
Ref. : KT-Adapt-Tips-PurePep-Broad.S.10.96 |
Kit of tips for peptide purification on broad pH range (pH 0-14) - 10µL - Standard capacity - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep Broad – Tips 10µL & spin adapters
Ref. : KT-Adapt-Tips-PurePep-Broad.H.10.96 |
Kit of tips for peptide purification on broad pH range (pH 0-14) - 10µL - High capacity - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep Broad – Tips 10µL Single Cell & spin adapters
Ref. : KT-Adapt-Tips-PurePep-Broad.SC.10.96 |
Kit of tips for peptide purification on broad pH range (pH 0-14) in single-cell proteomics - 10µL - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep Broad – Tips 1mL & spin adapters
Ref. : KT-Adapt-Tips-PurePep-Broad.S.1000.96 |
Kit of tips for peptide purification on broad pH range (pH 0-14) - 1mL - Standard capacity - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep Broad – Tips 1mL & spin adapters
Ref. : KT-Adapt-Tips-PurePep-Broad.H.1000.96 |
Kit of tips for peptide purification on broad pH range (pH 0-14) - 1mL - High capacity - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep Broad – Tips 200µL & spin adapters
Ref. : KT-Adapt-Tips-PurePep-Broad.H.200.96 |
Kit of tips for peptide purification on broad pH range (pH 0-14) - 200µL - High capacity - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep Broad – Tips 200µL & spin adapters
Ref. : KT-Adapt-Tips-PurePep-Broad.S.200.96 |
Kit of tips for peptide purification on broad pH range (pH 0-14) - 200µL - Standard capacity - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep – 96 wellplate for microelution & collection plates
Ref. : KT-Coll-µ96W-PurePep.H.1 |
96 Wellplate for peptide desalting - Tip-shaped wells - High Capacity - 1/pk + Collection plates - 1mL - 2/pk |
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|
BioSPE™ PurePep – 96 wellplate for microelution & collection plates
Ref. : KT-Coll-µ96W-PurePep.S.1 |
96 Wellplate for peptide desalting - Tip-shaped wells - Standard Capacity - 1/pk + Collection plates - 1mL - 2/pk |
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|
BioSPE™ PurePep Broad – 96 wellplate for microelution & collection plates
Ref. : KT-Coll-µ96W-PurePep-Broad.H.1 |
96 Wellplate for peptide purification on broad pH range (pH 0-14) - Tip-shaped wells - High Capacity - 1/pk + Collection plates - 1mL - 2/pk |
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|
BioSPE™ PurePep Broad – 96 wellplate for microelution & collection plates
Ref. : KT-Coll-µ96W-PurePep-Broad.S.1 |
96 Wellplate for peptide purification on broad pH range (pH 0-14) - Tip-shaped wells - Standard Capacity - 1/pk + Collection plates - 1mL - 2/pk |
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|
BioSPE™ PurePep – Tips 10µL & spin adapters
Ref. : KT-Adapt-Tips-PurePep.S.10.96 |
Kit of tips for peptide desalting - 10µL - Standard capacity - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep – Tips 10µL & spin adapters
Ref. : KT-Adapt-Tips-PurePep.H.10.96 |
Kit of tips for peptide desalting - 10µL - High capacity - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep – Tips 10µL Single Cell & spin adapters
Ref. : KT-Adapt-Tips-PurePep.SC.10.96 |
Kit of tips for peptide desalting in single-cell proteomics - 10µL - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep – Tips 1mL & spin adapters
Ref. : KT-Adapt-Tips-PurePep.S.1000.96 |
Kit of tips for peptide desalting - 1mL - Standard capacity - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep – Tips 1mL & spin adapters
Ref. : KT-Adapt-Tips-PurePep.H.1000.96 |
Kit of tips for peptide desalting - 1mL - High capacity - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep – Tips 200µL & spin adapters
Ref. : KT-Adapt-Tips-PurePep.S.200.96 |
Kit for peptide desalting containing: SPE Tips 200µL - Standard capacity - 96/pk | Spin adapters - 96/pk | 2mL collection tubes - 192/pk |
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|
BioSPE™ PurePep – Tips 200µL & spin adapters
Ref. : KT-Adapt-Tips-PurePep.H.200.96 |
Kit of tips for peptide desalting - 200µL - High capacity - 96/pk + spin adapters - 96/pk + collection tubes - 192/pk |
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|
BioSPE™ PurePep Broad – Cartridges 3mL
Ref. : CAR3-PurePep-Broad.H.50 |
SPE cartridges for peptide purification on broad pH range (pH 0-14) - 3mL - High capacity - 50/pk |
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|
BioSPE™ PurePep – Spin
Ref. : Spin-PurePep.S.50 |
Spin columns for peptide desalting - Standard capacity - 50/pk + collection tubes - 100/pk |
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|
BioSPE™ PurePep Broad – Cartridges 3mL
Ref. : CAR3-PurePep-Broad.S.50 |
SPE cartridges for peptide purification on broad pH range (pH 0-14) - 3mL - Standard capacity - 50/pk |
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|
BioSPE™ PurePep Broad – Cartridges 6mL
Ref. : CAR6-PurePep-Broad.H.50 |
SPE cartridges for peptide purification on broad pH range (pH 0-14) - 6mL - High capacity - 50/pk |
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BioSPE™ PurePep Broad – Cartridges 6mL
Ref. : CAR6-PurePep-Broad.S.50 |
SPE cartridges for peptide purification on broad pH range (pH 0-14) - 6mL - Standard capacity - 50/pk |
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|
BioSPE™ PurePep Broad – Spin
Ref. : Spin-PurePep-Broad.S.50 |
Spin columns for peptide purification on broad pH range (pH 0-14) - Standard capacity - 50/pk + collection tubes - 100/pk |
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|
BioSPE™ PurePep Broad – Spin
Ref. : Spin-PurePep-Broad.H.50 |
Spin columns for peptide purification on broad pH range (pH 0-14) - High capacity - 50/pk + collection tubes - 100/pk |
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|
BioSPE™ PurePep Broad – Spin 15mL
Ref. : Spin15-PurePep-Broad.S.25 |
Spin columns for peptide purification on broad pH range (pH 0-14) - Standard capacity - 15mL - 25/pk + collection tubes - 50/pk |
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|
BioSPE™ PurePep Broad – Spin 15mL
Ref. : Spin15-PurePep-Broad.H.25 |
Spin columns for peptide purification on broad pH range (pH 0-14) - High capacity - 15mL - 25/pk + collection tubes - 50/pk |
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BioSPE™ PurePep Broad – Spin 50mL
Ref. : Spin50-PurePep-Broad.H.25 |
Spin columns for peptide purification on broad pH range (pH 0-14) - High capacity - 50mL - 25/pk + collection tubes - 50/pk |
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BioSPE™ PurePep Broad – Spin 50mL
Ref. : Spin50-PurePep-Broad.S.25 |
Spin columns for peptide purification on broad pH range (pH 0-14) - Standard capacity - 50mL - 25/pk + collection tubes - 50/pk |
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BioSPE™ PurePep Broad – µSpin
Ref. : µSpin-PurePep-Broad.S.50 |
µSpin columns for peptide purification on broad pH range (pH 0-14) - Standard capacity - 50/pk + collection tubes - 100/pk |
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BioSPE™ PurePep Broad – µSpin
Ref. : µSpin-PurePep-Broad.H.50 |
µSpin columns for peptide purification on broad pH range (pH 0-14) - High capacity - 50/pk + collection tubes - 100/pk |
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BioSPE™ PurePep – µSpin
Ref. : µSpin-PurePep.S.50 |
µSpin columns for peptide desalting - Standard capacity - 50/pk + collection tubes - 100/pk |
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|
BioSPE™ PurePep – Cartridges 1mL
Ref. : CAR1-PurePep.S.50 |
SPE cartridges for peptide desalting - 1mL - Standard capacity - 50/pk |
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BioSPE™ PurePep – Cartridges 1mL
Ref. : CAR1-PurePep.H.50 |
SPE cartridges for peptide desalting - 1mL - High capacity - 50/pk |
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BioSPE™ PurePep – Cartridges 3mL
Ref. : CAR3-PurePep.S.50 |
SPE cartridges for peptide desalting - 3mL - Standard capacity - 50/pk |
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BioSPE™ PurePep – Cartridges 3mL
Ref. : CAR3-PurePep.H.50 |
SPE cartridges for peptide desalting - 3mL - High capacity - 50/pk |
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|
BioSPE™ PurePep – Cartridges 6mL
Ref. : CAR6-PurePep.S.50 |
SPE cartridges for peptide desalting - 6mL - Standard capacity - 50/pk |
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|
BioSPE™ PurePep – Cartridges 6mL
Ref. : CAR6-PurePep.H.50 |
SPE cartridges for peptide desalting - 6mL - High capacity - 50/pk |
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|
BioSPE™ PurePep – Spin
Ref. : Spin-PurePep.H.50 |
Spin columns for peptide desalting - High capacity - 50/pk + collection tubes - 100/pk |
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|
BioSPE™ PurePep – Spin 15mL
Ref. : Spin15-PurePep.H.25 |
Spin columns for peptide desalting - 15mL - High capacity - 25/pk + collection tubes - 50/pk |
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BioSPE™ PurePep – Spin 15mL
Ref. : Spin15-PurePep.S.25 |
Spin columns for peptide desalting - 15mL - Standard capacity - 25/pk + collection tubes - 50/pk |
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|
BioSPE™ PurePep – Spin 50mL
Ref. : Spin50-PurePep.H.25 |
Spin columns for peptide desalting - 50mL - High capacity - 25/pk + collection tubes - 50/pk |
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BioSPE™ PurePep – Spin 50mL
Ref. : Spin50-PurePep.S.25 |
Spin columns for peptide desalting - 50mL - Standard capacity - 25/pk + collection tubes - 50/pk |
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|
BioSPE™ PurePep – µSpin
Ref. : µSpin-PurePep.H.50 |
µSpin columns for peptide desalting - High capacity - 50/pk + collection tubes - 100/pk |
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|
BioSPE™ PurePep Broad – Cartridges 1mL
Ref. : CAR1-PurePep-Broad.H.50 |
SPE cartridges for peptide purification on broad pH range (pH 0-14) - 1mL - High capacity - 50/pk |
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|
BioSPE™ PurePep Broad – Cartridges 1mL
Ref. : CAR1-PurePep-Broad.S.50 |
SPE cartridges for peptide purification on broad pH range (pH 0-14) - 1mL - Standard capacity - 50/pk |
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