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- La dissociació per transferència d'electrons (en anglès electron-transfer dissociation, o ETD) és un mètode de fragmentació molecular en fase gas utilitzat en espectrometria de masses en tàndem i desenvolupat per i a la Universitat de Virgínia. (ca)
- Electron-transfer dissociation (ETD) is a method of fragmenting multiply-charged gaseous macromolecules in a mass spectrometer between the stages of tandem mass spectrometry (MS/MS). Similar to electron-capture dissociation, ETD induces fragmentation of large, multiply-charged cations by transferring electrons to them. ETD is used extensively with polymers and biological molecules such as proteins and peptides for sequence analysis. Transferring an electron causes peptide backbone cleavage into c- and z-ions while leaving labile post translational modifications (PTM) intact. The technique only works well for higher charge state peptide or polymer ions (z>2). However, relative to collision-induced dissociation (CID), ETD is advantageous for the fragmentation of longer peptides or even entire proteins. This makes the technique important for top-down proteomics. The method was developed by Hunt and coworkers at the University of Virginia. (en)
- In spettrometria di massa la dissociazione per trasferimento elettronico (in lingua inglese electron transfer dissociation, ETD) è un metodo per frammentare ioni. È simile alla dissociazione per cattura elettronica, ETD induce frammentazione di cationi trasferendogli elettroni. (it)
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- La dissociació per transferència d'electrons (en anglès electron-transfer dissociation, o ETD) és un mètode de fragmentació molecular en fase gas utilitzat en espectrometria de masses en tàndem i desenvolupat per i a la Universitat de Virgínia. (ca)
- In spettrometria di massa la dissociazione per trasferimento elettronico (in lingua inglese electron transfer dissociation, ETD) è un metodo per frammentare ioni. È simile alla dissociazione per cattura elettronica, ETD induce frammentazione di cationi trasferendogli elettroni. (it)
- Electron-transfer dissociation (ETD) is a method of fragmenting multiply-charged gaseous macromolecules in a mass spectrometer between the stages of tandem mass spectrometry (MS/MS). Similar to electron-capture dissociation, ETD induces fragmentation of large, multiply-charged cations by transferring electrons to them. ETD is used extensively with polymers and biological molecules such as proteins and peptides for sequence analysis. Transferring an electron causes peptide backbone cleavage into c- and z-ions while leaving labile post translational modifications (PTM) intact. The technique only works well for higher charge state peptide or polymer ions (z>2). However, relative to collision-induced dissociation (CID), ETD is advantageous for the fragmentation of longer peptides or even entir (en)
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- Dissociació per transferència d'electrons (ca)
- Electron-transfer dissociation (en)
- Dissociazione per trasferimento elettronico (it)
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