Daniel Ayoub

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Related publications (4)

Multiplexed Middle-Down Mass Spectrometry as a Method for Revealing Light and Heavy Chain Connectivity in a Monoclonal Antibody

Yury Tsybin, Laure Menin, Luca Fornelli, Anton Kozhinov, Natalia Gasilova, Kristina Srzentic, Konstantin Nagornov, Daniel Ayoub

Pairing light and heavy chains in monoclonal antibodies (mAbs) using top-down (TD) or middle-down (MD) mass spectrometry (MS) may complement the sequence information on single chains provided by high-throughput genomic sequencing and bottom-up proteomics, ...

AMER CHEMICAL SOC2018

Top-down analysis of immunoglobulin G isotypes 1 and 2 with electron transfer dissociation on a high-field Orbitrap mass spectrometer

Yury Tsybin, Luca Fornelli, Daniel Ayoub

The increasing importance of immunoglobulins G (IgGs) as biotherapeutics calls for improved structural characterization methods designed for these large (similar to 150 kDa) macromolecules. Analysis workflows have to be rapid, robust, and require minimal s ...

Elsevier Science Bv2017

Middle-down analysis of monoclonal antibodies with electron transfer dissociation Orbitrap FTMS

Yury Tsybin, Luca Fornelli, Daniel Ayoub

The rapid growth of approved biotherapeutics, e.g., monoclonal antibodies or immunoglobulins G (IgGs), demands improved techniques for their quality control. Traditionally, proteolysis-based bottom-up mass spectrometry (MS) has been employed. However, the ...

Amer Chemical Soc2014

Advantages of Extended Bottom-Up Proteomics Using Sap9 for Analysis of Monoclonal Antibodies

Yury Tsybin, Luca Fornelli, Unige Anna Laskay, Kristina Srzentic, Daniel Ayoub

Despite the recent advances in structural analysis of monoclonal antibodies with bottom-up, middle-down, and top-down mass spectrometry (MS), further improvements in analysis accuracy, depth, and speed are needed. The remaining challenges include quantitat ...

Amer Chemical Soc2014

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