image: DNA polymerase interacting with template DNA strands in the presence of nucleotides. This material relates to a paper that appeared in the March 29, 2017, issue of Science Advances, published by AAAS. The paper, by E. Kim at Max Planck Institute for the Science of Light in Erlangen, Germany, and colleagues was titled, 'Label-free optical detection of single enzyme-reactant reactions and associated conformational changes.' view more
Credit: [Credit: Eugene Kim]