Kirjahaku

The establishment of Harlem as the main area of black settlement and as a poor ghetto occurred before the Depression. When the Depression came, the blacks fell still further into poverty. Racism created and perpetuated Harlem's poverty, yet segregation and discrimination also produced strong social and political networks that served not only to meet immediate needs, but to mobilise thousands to demand a better life. In this extensively researched and well argued book, Cheryl Greenberg examines the growth in the 1930s of a widespread, activist, political culture in Harlem.

The amide linkage is one of the most fundamental and widespread chemical bonds in nature, underlying the properties of a vast array of organic molecules, polymers, and materials, including peptides and proteins. Arthur Greenberg, Curt Breneman, and Joel Liebman's peerless text provides comprehensive coverage of the experimental, structural, and computational findings that shed light on the chemical and physical properties of the amide linkage, as well as its emerging applications in materials and biotechnology. Chapters in "The Amide Linkage" highlight how this chemical bond factors in the design of enzyme inhibitors, cyclic peptides, antibacterial agents, and emerging nanotechnology applications. This one-of-a-kind study also: discusses selected aspects of chemical reactions, structure, bonding, and energetics of the amide bond, including amide rotational barriers, stereochemistry, complexation, spectroscopy, and thermochemistry; presents specific applications to supramolecular and stereospecific synthesis; discusses key aspects of peptide and protein chemistry - such as molecular recognition, conformation, and folding - in terms of the amide linkage. It includes chapters contributed by numerous eminent chemists and biochemists. Organic, medicinal, polymer, and physical chemists, as well as biochemists and materials scientists, will find "The Amide Linkage" to be an invaluable addition to their professional libraries.

Just in time for National Poetry Month! What do we feel when we look at a great work of art? What does a poet feel? Heart to Heart provides young readers with an original way to approach poetry and art—with the words of distinguished American poets, specially commissioned for this book by editor Jan Greenberg. Prompted by paintings, sculpture, prints, and photographs by American artists working in the 20th century, these poems lend a new meaning to "art appreciation" and make each page of Heart to Heart an exciting discovery. Join such poets as Jane Yolen, Nancy Willard, X. J. Kennedy, Naomi Shihab Nye, David Mura, and Angela Johnson as they reveal a personal, heartfelt response to works by Thomas Hart Benton, Romare Bearden, Jacob Lawrence, Grandma Moses, Faith Ringgold, Man Ray, Georgia O'Keeffe, and many others. Whether the poems are playful, challenging, tender, mocking, humorous, or sad, each work of art, seen through the eyes of a poet, helps young readers look at the world with new insight. Author Biography: Jan Greenberg is the co_author of five books on American art and architecture and the author of seven works of fiction for young readers. Her books have received many honors: ALA Notable, School Library Journal Best Book of the Year, Booklist Editor's Choice, IRA Teacher's Choice, Bulletin Blue Ribbon Book, and Boston Globe/Horn Book Honor Book. She lives in St. Louis, Missouri.

The Eleventh International Transport Theory Conference and Symposium in honor of the sixty-fifth birthday of Kenneth Case and the sixtieth birthday of Paul Zweifel was held in Blacksburg, Virginia, during May 22-26, 1989, on the campus of Virginia Polytechnic Institute and State University (Virginia Tech). This volume consists of a selection of the invited papers delivered at the Conference, and represents a cross section of the research currently being carried out in the field of transport theory. The volume is divided into two sections. The Symposium lectures are intended each to summarize an important aspect of transport theory, as well as to present timely new results of the author's research interest. The Conference lectures are contributions of each author on his current research. As has been the custom in this series of conferences, each lecturer was invited to participate by the organizing committee of the Conference: W. Greenberg, Virginia Tech, chairman; V. Boffi, Universita di Firenze; N. Corngold, California Institute of Technology; B. Ganapol, University of Arizona; N. McCormick, University of Washington; P. Nelson, Texas Tech; G. Pomraning, University of California, Los Angeles. The Eleventh International Transport Theory Conference was funded by generous con­ tributions from Science Applications International Corporation, R. Beyster, president, and from Virginia Polytechnic Institute and State University. Conference participants, and, we believe, researchers in this and related areas, are indebted to these organizations. We would like to thank Lamberto Rondoni, in the graduate program at Virginia Tech, for proofreading manuscripts of all the Italian contributors.