Why you need accurate concentration determination of protein standards

Question:   How do I quantify my protein standard?   Answer:   Have you ever questioned the quantitative data you get from Bradford, Lowry or BCA...

Jan 18. 2017 | Thomas Kofoed |
Amino Acid analysis

4 things to remember about Amino Acid Analysis of proteins & peptides

Why perform Amino Acid Analysis?   Amino acid analysis is a method to determine the absolute amounts of individual amino acids in...

Sep 23. 2016 | Ejvind Mørtz |

How much protein should I load for protein identification by mass spec

Question:   How should I prepare my samples for 2D electrophoresis, and how much protein should I load to get protein ID...

Jun 8. 2016 | Ejvind Mørtz |

What does the Mascot Score mean?

Question:   I just got my protein identification report. What does the Mascot Score mean?   Answer:   The Protein Identification report contains a list of proteins that have...

Oct 9. 2015 | Ejvind Mørtz |

Preparing samples for N- and C-terminal sequencing by MALDI ISD

Question:   I am interested in your N and C-terminal sequencing using MALDI ISD. How do I prepare the sample for analysis?   Answer:   MALDI...

Feb 22. 2014 | Ejvind Mørtz |

Optimize electroblotting on PVDF membrane for N-terminal Edman sequencing

Question:   How do I optimize electroblotting conditions onto PVDF membrane for N-terminal Edman sequencing? Our 12 kDa protein separates well on 1D...

Oct 13. 2013 | Ejvind Mørtz |

N- and C-terminal protein sequencing using MALDI ISD

Structural characterization of purified natural and recombinant proteins traditionally includes N-terminal Edman sequencing to confirm 5-15 amino acid residues from...

Aug 18. 2013 | Ejvind Mørtz |
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