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1. Electron Density Maps: Relating the X-Ray Data Back to the Crystal · Seeing the Invisible: 50 Years

   https://exhibits.library.duke.edu/exhibits/show/invisible/case02

   Electron density for Staphylococcal nuclease In the 1970s, the Richardson Lab hand-drew the electron-density contours for Staphylococcal (...)

2. Glossary · Seeing the Invisible: 50 Years of Macromolecular Visualization · Duke University Library

   https://exhibits.library.duke.edu/exhibits/show/invisible/glossary

   Because a high density of electrons denotes the presence of an atom, this information can be used to reconstruct atomic (...)

3. The Initial Experiment: How Can We "See" a Protein? · Seeing the Invisible: 50 Years of Macromolecul

   https://exhibits.library.duke.edu/exhibits/show/invisible/case01

   Those intensities, plus their phases (in 1970 determined by comparing other datasets with heavy atoms bound) are combined mathematically by a (...)

4. The Case of the Oily Book - Preservation Underground

   https://blogs.library.duke.edu/preservation/2025/02/19/the-case-of-the-oily-book/

   Saving some of the residual oil in ethanol, I was able to analyze it with Fourier Transform Infrared Spectroscopy (FTIR) at (...)

5. Preservation Underground - Duke University Libraries Preservation

   https://blogs.library.duke.edu/preservation/

   Saving some of the residual oil in ethanol, I was able to analyze it with Fourier Transform Infrared Spectroscopy (FTIR) at (...)