Platelets are small blood cells that play a vital role in blood clotting. They are essential for wound healing, but their unwanted action can lead to ailments such as stroke and heart attack. In seventeen chapters from leading experts in platelet research this book describes state-of-the-art techniques for the experienced researcher, both in academia and industry. Methodology is also included that will enable the newcomer to perform routine experiments. Techniques covered range from basic procedures such as platelet preparation to the latest techniques such as monitoring calcium levels in single cells, protein tyrosine phosphorylation, and PCR.