Protein research

Credit: MAURO FERMARIELLO/SCIENCE PHOTO LIBRARY

Caption: Proteins research. Researcher holding a 2-D gel used in PAGE. PAGE (polyacrylamide gel electrophoresis) is used to study the structure and function of an organism's proteins (proteomics). An electric field and a pH gradient are set up at right angles to each other in the gel, separating proteins by their mass and charge respectively. Each dot in the gel is a different protein, which will be removed from the gel for further study.

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Keywords: 2-d, analysing, analysis, banded, banding, bands, biological, biologist, biology, dna lab, electrophoresis, experiment, female, holding, lab, laboratory, page, polyacrylamide gel, protein, proteins, proteomics, research, researcher, science, scientific, scientist, stain, stained, two-dimensional, woman

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