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The cover shows herpes simplex virus (shown here magnified 150,000 times using a transmission electron microscope), which has been detected using an antibody-coated quartz crystal microbalance described by Klenerman and colleagues on p. 833. The trace at the bottom represents the acoustic signal observed upon detachment of a single virion from the quartz crystal using rupture event scanning (REVS). Virus image by Alfred Pasieka/Science Photo Library.
Many bioentrepreneurs incorrectly estimate the value of their technology by failing to account adequately for the cost, risk, and time inherent in product development.