The caNanoLab project team announces the release of caNanoLab 1.5.3 (https://cananolab.nci.nih.gov), a portal for sharing information about nanomaterial characterizations. This minor release contains a number of technical upgrades. In addition, v1.5.3 supports linking to remote characterization protocols and supplies the data submission date in the search results. The caNanoLab 1.5.3 release notes are available on the NCI caNanoLab Project Wiki and the source code is available for download from the NCI CBIIT download site.