To site-specifically label proteins in living cells, researchers mutate an enzyme to recognize a small fluorophore and catalyze its attachment to a small peptide tag. Fluorescent protein fusions ...

Retinol is used in anti-ageing products due to its strength ... which includes the label’s Matrixyl 3,000 peptide, to minimise the signs of ageing further and support the health of your complexion.

Uniform protein labeling in intact tissues is a challenge. An approach that allows antibodies to seep within organs could label proteins in millions of cells. Sahana is a science journalist and an ...