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Latest Announcements from MDPI

22 June 2009
Full Open Access Journals Have Increased Impact Factors

We are pleased to report the increase of the impact factors of MDPI journals during 2007 and 2008. In 2005 and part of 2006, the use of a two tier publication system, whereby we offered full Open Access publication to those authors willing to contribute financially to support this option, while providing the alternative choice of free publication without Open Access for those authors who preferred not to pay, which resulted in the obviously decreased impact factors seen in 2006. In early 2007, a full Open Access publishing policy was instituted and we can now begin to clearly see the effect of the full Open Access policy in the steady recovery of the impact factors of the affected journals.

The full Editorial has been published in Molecules and is available from:

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