The art of using chemical agents for medication dates back into antiquity, although most of the earliest examples used plants, herbs, and other natural materials. The old Egyptian medical papyri, which date from before 1400 B. C., contain dozens of examples of such medicinal plants and animal extracts. In the Old Testament of the Bible, we can find references to using oil to soften the skin and sores (Isaiah 1:6), the use of tree leaves for medicine (Ezekiel 47:12) and various medical balms (Jeremiah 8:22). Not all these recipes were effective in curing the ailments for which they were used and sometimes the treatment was worse than the disease. Nevertheless, the art of using chemical derived agents for medicines continued to develop and received great impetus during the present century with the rise of synthetic organic chemistry. One of the most vexing problems has always been to achieve specifici- ty with the medications. While some medical agents do indeed possess a relatively high degree of specificity, most agents are far more systemic than would be desired. Much of the research efforts to correct this deficiency has centered on modifying the chemical agents themselves. Unfortunately, there are severe limitations in this approach since minor modifications often drastically affect the therapeutic activity and can even render the drug completely ineffective, or worse.
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Hardcover. Etat : Very Good. No Jacket. 1st. May Have Some STUCK PAGES due to Stencil ink (paint) on Spine, Covers, Cover edges and Top margin edge where some intellectual incompetent tried to blot out the library markings for some insane reason! I think all are un-stuck, but I'm not perfect! Seller's image, know what you are getting! Pre-packing weight is 1 lb. 8.2 oz . ORIGINAL, NOT A REPRINT OR PHOTOCOPY!! Has NO Dust Jacket. NOTE!! Has all standard Library markings, pocket, labels, stamps, ink, stains, wear and soil to covers noted. Hinges are good, Owner markings as noted! See Picture! The Copyright date is 1984 for this 1984 Printing. This volume was purchased through DMRO from the Wright-Patterson Technical Library in the late 1990's at Government public auction. This volume has had some lightly stuck pages, all at the top margins, the vertical edge and bottom edge are clear. Thank you for your purchase from Sunset Books! Help Promote World Literacy, GIVE a Book as a GIFT!! In stock, Ships from Ohio. WE COMBINE SHIPPING ON MULTIPLE PURCHASES!!!! SEE PICTURES!!!!! ANY ODD/GREEN TONES ON THE SCANS ARE CAUSED BY MY SCANNER!! All of our Technical/Textbook/Ex-Library volumes were obtained legally through Public or Auction sales. Size: 4to - over 9¾ - 12" tall. Ex-Library. N° de réf. du vendeur 027454
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Vendeur : BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, Allemagne
Buch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -The art of using chemical agents for medication dates back into antiquity, although most of the earliest examples used plants, herbs, and other natural materials. The old Egyptian medical papyri, which date from before 1400 B. C. , contain dozens of examples of such medicinal plants and animal extracts. In the Old Testament of the Bible, we can find references to using oil to soften the skin and sores (Isaiah 1:6), the use of tree leaves for medicine (Ezekiel 47:12) and various medical balms (Jeremiah 8:22). Not all these recipes were effective in curing the ailments for which they were used and sometimes the treatment was worse than the disease. Nevertheless, the art of using chemical derived agents for medicines continued to develop and received great impetus during the present century with the rise of synthetic organic chemistry. One of the most vexing problems has always been to achieve specifici ty with the medications. While some medical agents do indeed possess a relatively high degree of specificity, most agents are far more systemic than would be desired. Much of the research efforts to correct this deficiency has centered on modifying the chemical agents themselves. Unfortunately, there are severe limitations in this approach since minor modifications often drastically affect the therapeutic activity and can even render the drug completely ineffective, or worse. 316 pp. Englisch. N° de réf. du vendeur 9780306421150
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