Related Experiment Video
Updated: Feb 5, 2026

Scalable High Throughput Selection From Phage-displayed Synthetic Antibody Libraries
Published on: January 17, 2015
Phage Display and Selections on Purified Antigens
Magali Colazet1, Patrick Chames2
1Centre de Recherche en Cancérologie de Marseille (CRCM), CNRS, INSERM, Institut Paoli-Calmettes, Aix Marseille University, Marseille, France.
Phage display enables antibody fragment selection against purified proteins for targeted therapies. Immobilization methods significantly impact selection outcomes, with plastic adsorption and solution-phase selection offering distinct advantages and disadvantages.
Area of Science:
- Biotechnology
- Immunology
- Molecular Biology
Background:
- Antibody fragments are crucial for targeted therapy and diagnostics.
- Purified proteins, especially extracellular domains, are common targets.
- Phage display offers a rapid method for selecting antigen-binding antibody fragments.
Purpose of the Study:
- To describe protocols for selecting phage antibodies against purified antigens.
- To compare antigen immobilization strategies: plastic adsorption (panning) versus solution-phase selection.
- To highlight the advantages and disadvantages of each selection approach.
Main Methods:
- Phage display selection using purified antigens.
- Antigen immobilization on plastic surfaces (panning).
- Solution-phase selection with biotinylated antigens.
Main Results:
- Selection outcomes vary based on antigen immobilization technique.
- Plastic adsorption is a straightforward method for phage antibody selection.
- Solution-phase selection offers an alternative with specific benefits.
Conclusions:
- Antigen immobilization is a critical factor in phage display success.
- Both panning and solution-phase selection are viable for antibody fragment isolation.
- Choosing the right method optimizes the development of targeted therapies and diagnostics.
More Related Videos
Related Concept Videos
What is Natural Selection?
Antibiotic Selection
Types of Selection
Antigen Presenting Cells
T cells require the help of antigen-presenting cells (APCs), which process foreign antigens into smaller fragments that can be recognized by T cells. These APCs are highly specialized cells that efficiently internalize antigens...
Frequency-dependent Selection
Diversity of Antigen Receptors
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...

