The Library has a subscription to the Browzine service where you can build a customized list of journals, browse the tables of contents and read articles.
Article databases like SciFinder, Reaxys and Web of Science have options that allow you to save a search of interest and receive automatic updates of new results from that search.
As an example, this guide from U Penn has step by step guidance in setting up "Keep Me Posted" results in SciFinder https://guides.library.upenn.edu/ScifinderGuide/KeepmePostedAlerts