Analytical Chemistry REVIEW citations were found through individual searches by the various authors who wrote a particular section of this Review. In an effort to more effectively accomplish this goal, we have included authors who are knowledgeable in the various subtopics of this Review.Coverage is limited to articles that describe new developments in the theory and practice of molecular luminescence for chemical analysis in the ultraviolet, visible, and near-infrared region. We have included two new sections in this Review on fluorescence nanoparticles and green chemistry. Discussions of cited work are intended to be more critical and focused than in previous reviews. In general, citations are limited to journal articles and do not include patents, proceedings, reports, and dissertations. In an effort to reduce the length of this Review we have attempted to limit duplicate citations between sections by retaining the same reference number for a given citation which is cited under more than one heading.As in previous years, we are not able to provide extensive coverage of all developments of relevance to the extremely broad field of molecular fluorescence, phosphorescence, and chemiluminescence. Instead, we have focused on important advances of general interest and relevance to the field of analytical chemistry, rather than extensions of previous advances. In addition, we have attempted to balance inclusion of a sufficient number of highly relevant, high-impact references to adequately survey the field with ample descriptions of individual citations for better clarification. If you feel that we have omitted an important article published during the above referenced time period, please forward the reference to one of us and we will be certain to consider it for the next review.