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Cyclic Polymers (Second Edition) reviews the many recent advances in this rapidly expanding subject since the publication of the first edition in 1986. The preparation, characterisation, properties and applications of a wide range of organic and inorganic cyclic oligomers and polymers are described in detail, together with many examples of catenanes and rotaxanes. The importance of large cyclics in biological chemistry and molecular biology is emphasised by a wide coverage of circular DNA, cyclic peptides and cyclic oligosaccharides and polysaccharides. Experimental techniques and theoretical aspects of cyclic polymers are included, as well as examples of their uses such as ring opening polymerisation reactions to give commercially important materials. This book covers a wide range of topics which should be of interest to many scientific research workers (for example, in polymer science, chemistry and molecular biology), as well as providing a reference text for undergraduate and graduate students.
Evagrius of Pontus and Gregory of Nyssa have either been overlooked by philosophers and theologians in modern times, or overshadowed by their prominent friend and brother (respectively), Gregory Nazianzus and Basil the Great. Yet they are major figures in the development of Christian thought in late antiquity and their works express a unique combination of desert and urban spiritualities in the lived and somewhat turbulent experience of an entire age. They also provide a significant link between the great ancient thinkers of the past – Plato, Aristotle, the Stoics, Clement and others – and the birth and transmission of the early Medieval period – associated with Boethius, Cassian and A...