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Although modern cell biology is often considered to have arisen following World War II in tandem with certain technological and methodological advances—in particular, the electron microscope and cell fractionation—its origins actually date to the 1830s and the development of cytology, the scientific study of cells. By 1924, with the publication of Edmund Vincent Cowdry’s General Cytology, the discipline had stretched beyond the bounds of purely microscopic observation to include the chemical, physical, and genetic analysis of cells. Inspired by Cowdry’s classic, watershed work, this book collects contributions from cell biologists, historians, and philosophers of science to explore the history and current status of cell biology. Despite extraordinary advances in describing both the structure and function of cells, cell biology tends to be overshadowed by molecular biology, a field that developed contemporaneously. This book remedies that unjust disparity through an investigation of cell biology’s evolution and its role in pushing forward the boundaries of biological understanding. Contributors show that modern concepts of cell organization, mechanistic explanations, epigenetics, molecular thinking, and even computational approaches all can be placed on the continuum of cell studies from cytology to cell biology and beyond. The first book in the series Convening Science: Discovery at the Marine Biological Laboratory, Visions of Cell Biology sheds new light on a century of cellular discovery.
This book presents a comprehensive and coherent summary of techniques for enhancing the resolution and image contrast provided by far-field optical microscopes. It takes a critical look at the body of knowledge that comprises optical microscopy, compares and contrasts the various instruments, provides a clear discussion of the physical principles that underpin these techniques, and describes advances in science and medicine for which superresolution microscopes are required and are making major contributions. The text fills significant gaps that exist in other works on superresolution imaging, firstly by placing a new emphasis on the specimen, a critical component of the microscope setup, giving equal importance to the enhancement of both resolution and contrast. Secondly, it covers several topics not typically discussed in depth, such as Bessel and Airy beams, the physics of the spiral phase plate, vortex beams and singular optics, photoactivated localization microscopy (PALM), stochastic optical reconstruction microscopy (STORM), structured illumination microscopy (SIM), and light-sheet fluorescence microscopy (LSFM). Several variants of these techniques are critically discussed. Noise, optical aberrations, specimen damage, and artifacts in microscopy are also covered. The importance of validation of superresolution images with electron microscopy is stressed. Additionally, the book includes translations and discussion of seminal papers by Abbe and Helmholtz that proved to be pedagogically relevant as well as historically significant. This book is written for students, researchers, and engineers in the life sciences, medicine, biological engineering, and materials science who plan to work with or already are working with superresolution light microscopes. The volume can serve as a reference for these areas while a selected set of individual chapters can be used as a textbook for a one-semester undergraduate or first-year graduate course on superresolution microscopy. Moreover, the text provides a captivating account of curiosity, skepticism, risk-taking, innovation, and creativity in science and technology. Good scientific practice is emphasized throughout, and the author’s lecture slides on responsible conduct of research are included as an online resource which will be of interest to students, course instructors, and scientists alike.