ScienceDirect is expected to be offline and unavailable for approximately 19 hours beginning Saturday, August 25th, 2012 for scheduled maintenance for a new release. The downtime by region is expected as follows:

New York Time: 7:30 AM EDT Saturday, August 25th until 2:30 AM EDT, Sunday, August 26th

Corresponding UTC (GMT): Saturday, August 25, 2012 at 11:30 PM until Sunday, August 26, 2012 at 6:30 AM