Macs in Chemistry

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oaDOI Extension

Ever come across an interesting paper that is behind a paywall? Many of these publications may also be available via green open access.

Self-archiving, also known as green open access, refers to the practice of depositing articles in an institutional repository or a subject repository such as arXiv.

However locating the open version can be a bit hit and miss given there are so many potential repositories. Fortunately oaDOI provides a simple way to search for open access versions

You can simply paste the DOI into the search engine at, however this web service is ideal for linking to a Safari Extension.

You can download the extension here, simply double click on the downloaded file to install the extension.

To try it out view this publication highlight the DOI, highlighted in red in the image below.

A digital object identifier (DOI) is a type of persistent identifier used to uniquely identify objects. The DOI system is particularly used for electronic documents such as journal articles.


Now highlight the DOI and right-click (or control-click) and select "Search for 10.1038/ng.3260 on open access DOI" from the dropdown menu.


It will open a new tab and search for an Open Access copy of the paper, if one is found it will display the publication, if not it will revert to a link to the paywalled version.


You can change where the results are displayed in the oaDOI extension preferences.