The article presents a practical clinical diagnostic technique by George M. Whitesides and his coworkers at Harvard University in Cambridge, Massachusetts. Their photolithography technique is a low-cost, portable, and simple multiplexed bioassays out of paper that can detect clinical relevant concentrations of glucose and protein. It involves soaking chromatography paper in photoresist, using a mask and ultraviolet light.
Focuses on the rules of organic reactions developed by professors Robert Burns Woodward and Roald Hoffmann from the Harvard University in Cambridge, Massachusetts. Basis of the rules on orbital symmetry; Overview of the research papers of Woodward and Hoffmann; Impact of the papers of Woodward and Hoffmann on the study of organic reactions.