f a stokes (23 Ergebnisse)

Zustand: Good. 1st Edition. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Zustand: Very Good. 1st Edition. Former library copy. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Paperback. Zustand: Good+. Crisp, clean pages with no owners' marks; the soft cover is noticeably faded at spine and upper front, and the corners show a touch of shelfwear, otherwise well-kept. xvi, 324pp. incl. index.

Paperback. Zustand: Fine.

Paperback. Zustand: Very Good.

1987. North America, Native Americans. Louisiana State University Press. 324p., very good - near fine paperback.

Zustand: Good. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. Clean from markings. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,850grams, ISBN:9780873226233.

Zustand: Very Good. 1st Edition. Former library copy. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Zustand: Good. Your purchase helps support Sri Lankan Children's Charity 'The Rainbow Centre'. Ex-library, so some stamps and wear, but in good overall condition. Our donations to The Rainbow Centre have helped provide an education and a safe haven to hundreds of children who live in appalling conditions.

hardcover. Zustand: Good. Zustand des Schutzumschlags: No Dust Jacket. First Edition. numerous figures, mild sunning to spine, minor softening to head of spine, library number written on spine, library plate on front inside cover, library stamp on FEP, title page and page block, text clean and tight. Ex-Library.

Paperback. Zustand: Brand New. reprint edition. 344 pages. 9.25x6.25x0.75 inches. In Stock.

Plastic comb binding. Zustand: Very Good-. First Edition. Unmarked, except for company stamp on front cover. ; Book Description; Spine has no signs of creasing. Pages are clean and not marred by notes or folds. Covers are square with minor wear. Ships Safe and Fast. Collection of regional papers and economic papers, including papers on Sheep Creek Anticline, North Dry Valley, Afron Anticline, Big Elk Anticline, Horseshoe Creek Area and much more. Rear pocket section includes several photo maps. ; B&W Illustrations; 4to 11" - 13" tall; 143 pages DM4.

Zustand: New. In.

First Edition. Good copy only in the original gilt-blocked boards. Spine bands worn and panel edges somewhat rubbed and dust-toned as with age. Cover scuffed. Text remains in fine condition. Title page loose. Minor library marks remain. Physical description; 64 pages : chiefly illustrations ; 22 x 27 cm. Subjects; American wit and humor, Pictorial. Caricatures and cartoons -- United States. 3 Kg.

hardcover. Zustand: Good. Zustand des Schutzumschlags: No Dust Jacket. First Edition. Spine is sunned, contents clean and sound. Ex-library with minimal stamps, library bookplate on inner cover. Ex-Library.

Softcover. Zustand: Poor. First Edition. The wraps are extremely rubbed and worn, with creasing, tearing and insect damage along the edges and the spine illegible. Despite this, the front remains clear. Internally, the end pages are very tanned and worn and there is some marking and creasing throughout. Despite this, the text remains neat, legible and complete. The binding remains secure. A reading copy. JK. Our orders are shipped using tracked courier delivery services.

8°, Hardcover. Zustand: Gut. first Edition. 385 S. pictures, good condition Sprache: Englisch Gewicht in Gramm: 1100.

Softcover. Zustand: Good. The Preface page has been signed by the author, F.A. Stokes, in ink. The wraps are rather shelf rubbed, edge worn and marked, but remain bright, whole and intact. Internally, there is tanning throughout, and there is a large chip out of the back end page, but there are no other markings or inscriptions, and the pages within are neat, legible and complete. The binding is secure. JK. Our orders are shipped using tracked courier delivery services. Signed.

Softcover. Zustand: Very Good+. Edited by I.A.F. Stokes, J.R. Pekelsky and M.S. Moreland. 424 pages. Illustrated with 200 b/w figures and 62 tables. Pages and endpapers white and clean. Orange card cover. Edges and corners very lightly bumped. VG+. Book.

Single Issue Magazine. Zustand: Good. Brann, Esther; Banting, F.G.; Scott, A. Sherriff (illustrator). First Edition. Pages 103-188 plus 10 pages of wonderful vintage advertisements. Features: A Quebec Sketch book - article with colour plates of paintings by Esther Brann; Full-page colour plate of painting entitled "The Skeena River"; An Indian Paradise Lost - Abundantly photo-illustrated article on scenery and native peoples in the Skeena River, British Columbia, district; Writer James DeMille - photo and brief bio plus his poem The Maiden of Quoddy; Photo portrait and message from Prime Minister Mackenzie King; A Fragment of China - article with many wonderful photos from China by John Stone, with emphasis upon architectural features; A Look at London - photo-illustrated article; Dr. Henri Ami and the work of a Canadian school of prehistory in France; Black and white painting by F.G. Banting of a lonely outpost in the Arctic; Nice one-page Canada Steamship Lines ad features The Manoir Richilieu; Color Canadian National one-page ad for Jasper National Park features illustration of the lodge; Nice back cover ad by Canadian Pacific features A. Sherriff Scott colour painting of Mountie gazing down upon the Banff Springs Hotel. Average external wear and soiling. Binding intact. Unmarked. A sound copy of this wonderful vintage item.

First edition. Discovery of the Double Helix and the Birth of Molecular Biology. First edition, rare, journal issues in the original printed wrappers, of the four papers by which the double-helix structure of deoxyribonucleic acid was announced to the world and its implications for heredity set out. The 25 April 1953 issue of Nature carries, under the common head-title 'Molecular Structure of Nucleic Acids,' three successive papers of a little over a page each: the Watson-Crick paper proposing the double helix with antiparallel sugar-phosphate backbones and complementary base-pairing; the Wilkins-Stokes-Wilson paper reporting the X-ray diffraction evidence that the B-form of DNA is helical; and the Franklin-Gosling paper giving the X-ray diffraction evidence that is in fact decisive for the helical structure, including the famous oxygen positions and fibre-diagram symmetry that Watson and Crick had used, in Franklin's absence and without her permission, to arrive at their model. Five weeks later, in the 30 May issue, the Watson-Crick paper 'Genetical Implications of the Structure of Deoxyribonucleic Acid' sets out what the two 1953 issues together amount to: that the sequence of bases along the double helix is the carrier of hereditary information; that the complementary structure of the molecule itself supplies the mechanism by which this information is copied from one generation to the next; and that mutation can be understood, for the first time, as a change at a single, localisable position in the molecule. For this body of work Watson, Crick, and Wilkins received the 1962 Nobel Prize in Physiology or Medicine; Franklin, who had died of ovarian cancer in 1958 at the age of thirty-seven, was not named. The two issues together are listed in One Hundred Books Famous in Medicine as item 99, in Dibner's Heralds of Science as item 200, in Norman as 534, and in Garrison-Morton as 256.3, 256.4, 256.8, 752.1, and 752.7, reflecting the five distinct discoveries it is possible to cite them for. The problem the papers solved had been on the agenda of biology for eighty-four years. In 1869 the Swiss physiological chemist Friedrich Miescher, working in Felix Hoppe-Seyler's laboratory at Tübingen, had extracted from the nuclei of pus-coated surgical bandages a substance of unprecedentedly high phosphorus content, resistant to the proteolytic enzymes of the day, which he had named 'nuclein.' Miescher and his successors had correctly predicted that a whole family of such phosphorus-rich substances would be found to exist, equivalent in rank to the proteins, but the physiological role of the nucleins had remained unknown for the rest of the century. In 1944 Oswald Avery, Colin MacLeod, and Maclyn McCarty, at the Rockefeller Institute, had established through the pneumococcal transformation experiment that the hereditary material of the cell-the 'transforming principle'-was not, as most biochemists had expected, a protein but was Miescher's nuclein, now understood chemically as deoxyribonucleic acid. Through the following decade the basic chemistry of DNA was worked out: Alexander Todd at Cambridge had established the phosphate-sugar backbone; Erwin Chargaff at Columbia had discovered, from 1950 onward, that in DNA preparations from any source the molar ratio of adenine to thymine and of guanine to cytosine is always one to one, though the A+T to G+C ratio varies between species. These were the data. But what arrangement of atoms produced them, and how the arrangement could act as the carrier of hereditary information through the generations, remained entirely obscure. Two groups in England were applying X-ray crystallographic methods to DNA by the start of 1951. At the Medical Research Council Biophysics Unit at King's College London, under Sir John Randall, Maurice Wilkins had initiated a programme of X-ray diffraction work on DNA fibres; he was joined in late 1950 by Raymond Gosling, then a graduate student, and in January 1951 by Rosalind Franklin, a p.

First Edition. Offprint, 8vo (210 x 140mm), pp. 14, with two diagrams (including the double helix) and two illustrations from photographs. The three-paper offprint issue, of the primary record of the co-discovery of the molecular structure of DNA, the most transformative moment in twentieth-century biology. Stapled in self-wrappers as issued. Signed by Maurice Wilkins on the first page. Very lightly toned and a coulpe soft creases, near fine. Grolier Club, One Hundred Books Famous in Medicine, 99; Dibner, Heralds of Science, 200. Garrison-Morton 256.3; Judson, Eighth Day of Creation, pp. 145-56. Ex-Dr. Myron Printzmetal. The discovery of DNA's double helix structure emerged from an intense period of competitive collaboration between research teams at Cambridge and King's College London. Watson and Crick's theoretical breakthrough synthesized crucial experimental evidence from multiple sources: Erwin Chargaff's base composition rules demonstrating the 1:1 ratio of adenine to thymine and guanine to cytosine, X-ray crystallographic data revealing DNA's helical structure, and most critically, the precise measurements of backbone positioning and molecular dimensions. Their elegant model proposed complementary base pairing (A-T and C-G) held together by hydrogen bonds, immediately suggesting a mechanism for genetic replication where each strand could serve as a template for its complement. The accompanying papers by Wilkins, Stokes, and Wilson, and by Franklin and Gosling, provided essential experimental validation through X-ray diffraction analysis, creating a unified presentation of both theoretical insight and empirical evidence that established the foundation of molecular biology. The contentious history surrounding this discovery has generated enduring scholarly debate, particularly regarding the systematic marginalization of Rosalind Franklin's contributions. Franklin's meticulous X-ray crystallographic work, conducted with her graduate student Raymond Gosling, had independently determined many key structural features including the antiparallel orientation of DNA strands, the external positioning of phosphate groups, and precise helical parameters. Her famous "Photograph 51" provided definitive evidence of DNA's helical structure, while her systematic analysis of A-form and B-form DNA revealed critical dimensions that enabled Watson and Crick's model construction. As Brenda Maddox documents in "Rosalind Franklin: The Dark Lady of DNA," Franklin's data was shown to Watson and Crick without her knowledge through Maurice Wilkins, creating an ethical controversy that persists in discussions of scientific collaboration and gender bias. Franklin's death from ovarian cancer in 1958, four years before the Nobel Prize was awarded to Watson, Crick, and Wilkins, has intensified debates about recognition and the complex dynamics of mid-twentieth century scientific discovery, with many scholars arguing that her rigorous experimental approach was as fundamental to the breakthrough as the theoretical modeling that received greater acclaim. This publication represents the founding document of modern molecular biology, establishing the conceptual framework for understanding heredity, genetic replication, and the molecular basis of life itself. The discovery immediately suggested mechanisms for protein synthesis and genetic information transfer, creating the theoretical foundation for subsequent developments in genetic engineering, biotechnology, and genomic medicine. As Francis Crick later observed, the structure's elegant simplicitywith its complementary base pairing and antiparallel strandsprovided not merely a static model but a dynamic mechanism explaining how genetic information could be accurately copied and transmitted across generations. The offprint's scientific significance extends far beyond its immediate discovery, representing the moment when biology transformed from a primarily descriptive science into a molecular discipline capable of manipu.

First edition. DISCOVERY OF THE STRUCTURE OF DNA. First edition, in the rare offprint form, of one of the most important scientific papers of the twentieth century, which "records the discovery of the molecular structure of deoxyribonucleic acid (DNA), the main component of chromosomes and the material that transfers genetic characteristics in all life forms. Publication of this paper initiated the science of molecular biology. Forty years after Watson and Crick's discovery, so much of the basic understanding of medicine and disease has advanced to the molecular level that their paper may be considered the most significant single contribution to biology and medicine in the twentieth century" (One Hundred Books Famous in Medicine, p. 362). "The discovery in 1953 of the double helix, the twisted-ladder structure of deoxyribonucleic acid (DNA), by James Watson and Francis Crick marked a milestone in the history of science and gave rise to modern molecular biology, which is largely concerned with understanding how genes control the chemical processes within cells. In short order, their discovery yielded ground-breaking insights into the genetic code and protein synthesis. During the 1970s and 1980s, it helped to produce new and powerful scientific techniques, specifically recombinant DNA research, genetic engineering, rapid gene sequencing, and monoclonal antibodies, techniques on which today's multi-billion dollar biotechnology industry is founded. Major current advances in science, namely genetic fingerprinting and modern forensics, the mapping of the human genome, and the promise, yet unfulfilled, of gene therapy, all have their origins in Watson and Crick's inspired work. The double helix has not only reshaped biology, it has become a cultural icon, represented in sculpture, visual art, jewelry, and toys" (Francis Crick Papers, National Library of Medicine, profiles./SC/Views/Exhibit/narrative/). In 1962, Watson, Crick, and Wilkins shared the Nobel Prize in Physiology or Medicine "for their discoveries concerning the molecular structure of nucleic acids and its significance for information transfer in living material." In 1869, the Swiss physiological chemist Friedrich Miescher (1844-95) first identified what he called 'nuclein' inside the nuclei of human white blood cells. (The term 'nuclein' was later changed to 'nucleic acid' and eventually to 'deoxyribonucleic acid,' or 'DNA.') Miescher's plan was to isolate and characterize not the nuclein (which nobody at that time realized existed) but instead the protein components of leukocytes (white blood cells). Miescher thus made arrangements for a local surgical clinic to send him used, pus-coated patient bandages; once he received the bandages, he planned to wash them, filter out the leukocytes, and extract and identify the various proteins within the white blood cells. But when he came across a substance from the cell nuclei that had chemical properties unlike any protein, including a much higher phosphorous content and resistance to proteolysis (protein digestion), Miescher realized that he had discovered a new substance. Sensing the importance of his findings, Miescher wrote, "It seems probable to me that a whole family of such slightly varying phosphorous-containing substances will appear, as a group of nucleins, equivalent to proteins". But Miescher's discovery of nucleic acids was not appreciated by the scientific community, and his name had fallen into obscurity by the 20th century. "Researchers working on DNA in the early 1950s used the term 'gene' to mean the smallest unit of genetic information, but they did not know what a gene actually looked like structurally and chemically, or how it was copied, with very few errors, generation after generation. In 1944, Oswald Avery had shown that DNA was the 'transforming principle,' the carrier of hereditary information, in pneumococcal bacteria. Nevertheless, many scientists continued to believe that DNA had a structure too uniform and simple to store genetic information for making complex living organisms. The genetic material, they reasoned, must consist of proteins, much more diverse and intricate molecules known to perform a multitude of biological functions in the cell. "Crick and Watson recognized, at an early stage in their careers, that gaining a detailed knowledge of the three-dimensional configuration of the gene was the central problem in molecular biology. Without such knowledge, heredity and reproduction could not be understood. They seized on this problem during their very first encounter, in the summer of 1951, and pursued it with single-minded focus over the course of the next eighteen months. This meant taking on the arduous intellectual task of immersing themselves in all the fields of science involved: genetics, biochemistry, chemistry, physical chemistry, and X-ray crystallography. Drawing on the experimental results of others (they conducted no DNA experiments of their own), taking advantage of their complementary scientific backgrounds in physics and X-ray crystallography (Crick) and viral and bacterial genetics (Watson), and relying on their brilliant intuition, persistence, and luck, the two showed that DNA had a structure sufficiently complex and yet elegantly simple enough to be the master molecule of life. "Other researchers had made important but seemingly unconnected findings about the composition of DNA; it fell to Watson and Crick to unify these disparate findings into a coherent theory of genetic transfer. The organic chemist Alexander Todd had determined that the backbone of the DNA molecule contained repeating phosphate and deoxyribose sugar groups. The biochemist Erwin Chargaff had found that while the amount of DNA and of its four types of bases - the purine bases adenine (A) and guanine (G), and the pyrimidine bases cytosine (C) and thymine (T) - varied widely from species to species, A and T always appeared in ratios of one-to-one, as did G and C. Maurice Wilkins an.