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  • Book
    László Erdős.
    Summary: This book provides an introduction into the diversity of the environmental movement through great characters in the green sector. The book describes inspiring personal achievements, and at the same time it provides readers with information regarding the history, the main directions and the ethical principles of the environmental movement. Some of the most important characters of the movement from all around the world, are included in the book. As well as the title characters, Buddha and Leonardo DiCaprio, other famous environmentalists like Albert Schweitzer, David Attenborough and Jane Goodall are discussed. Some of the less well-known but equally important environmentalists such as Chico Mendes, Bruno Manser, Henry Spira, Tom Regan or Rossano Ercolini are highlighted in the various chapters. The selection of characters represents all major branches within the green sector, ranging from medieval saints to Hollywood celebrities, from university professors to field activists, from politicians to philosophers, from ecofeminists to radicals.

    Contents:
    Introduction
    Charles Darwin and the implications of evolution St Francis of Assisi, the patron saint of animals
    Environmentalism gaining momentum: Rachel Carson and 'Silent sping' Denis Hayes and Earth Day
    Planting trees with Wangari Maathai
    In defense of rain forests: Chico Mendes and Bruno Manser Al Gore's fight for the environment
    The strong men of environmentalism: Arnold Schwarzenegger and Steven Seagal Movie stars and activism
    Arne Naess and 'Deep ecology'
    Vandana Shiva and traditional agriculture
    Ian Kiernan, Rossano Ercolini, and Bea Johnson Pioneers of ecological economics
    The Greenpeace story Forerunners of animal advocacy Spokesmen for animals: Peter Singer, Richard Ryder, and Tom Regan
    Henry Spira, the hero of animal advocacy
    Animal advocates from Central Europe
    Albert Schweitzer: The man who loved all living beings Talking animals: The capacity of animal minds
    Primatologists Jane Goodall, Dian Fossey and Biruté Galdikas Ingrid
    Newkirk, Alex Pacheco, and PETA
    John Muir and Yosemite
    Aldo Leopold, the founding father of nature conservation
    James Lovelock and the Gaia-hypothesis
    Their symbol: The giant panda
    Scientists involved in conservation and environmentalism
    Gerald Durrell: How an amateur naturalist developed into a great conservationist Farley Mowat never cried wolf
    David Attenborough, the grand old man of natural history films Jacques-Yves Cousteau: Under the spell of the sea
    Paul Watson, the daredevil of conservation
    Epilogue
    Acknowledgements List of illustrations.
    Digital Access Springer 2019
  • Article
    Butler JE, Kennedy N.
    Biochim Biophys Acta. 1978 Jul 21;535(1):125-37.
    Purified bovine immunoglobulins IgG1 and IgG2 were subjected to enzymatic degradation with pepsin and papain. Results were monitored using density gradient ultracentrifugation, acrylamide electrophosesis and immunodiffusion employing subclass- and light chain-specific antisera. The results indicated a marked enzymatic susceptibility of IgG1 to digestion with pepsin. This differential susceptibility can also be demonstrated in unfractionated bovine gamma-globulin. No striking differences between the two subclasses were observed during treatment with papain in the presence of cysteine and after 24 h, most IgG1 and IgG2 was degraded to Fc and Fab fragments. The pepsin Fc fragment generated from IgG2 was larger than that generated from IgG1 although the F(ab')2 fragments were simialr in size. These results are consistent with the hypothesis that the Fc region of IgG1 contains multiple cleavage sites for pepsin whereas IgG2 has few. Rabbits immunized with the first elution peak from a 30 h pepsin digest of bovine gamma-globulin fractionated on Sephadex G-150, responded primarily to common gamma-chain and IgG2-specific determinants. Thus, the differential susceptibility of bovine subclasses to pepsin provides a method for stimulating IgG2-specific antibodies in rabbits.
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