By Heber Wilkinson Youngken
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In 1943, Albert Schatz, a tender Rutgers collage Ph. D. scholar, labored on a wartime undertaking in microbiology professor Selman Waksman’s lab, trying to find an antibiotic to struggle infections at the entrance strains and at domestic. In his 11th scan on a typical bacterium present in farmyard soil, Schatz found streptomycin, the 1st powerful healing for tuberculosis, one of many world’s deadliest ailments.
As director of Schatz’s examine, Waksman took credits for the invention, belittled Schatz’s paintings, and secretly enriched himself with royalties from the streptomycin patent filed through the pharmaceutical corporation Merck. In an exceptional lawsuit, younger Schatz sued Waksman, and used to be provided the identify of “co-discoverer” and a proportion of the royalties. yet years later, Professor Waksman by myself was once provided the Nobel Prize. Schatz disappeared into educational obscurity.
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Additional resources for Pharmaceutical Botany
Microscopic examination shows this 6. region to be composed of soft, pale, growing cells ending in the triangular apex-cell of the root. From the free base of the apex cell segment cells are cut off as calyptrogen cells. These by dividing root cap. The root cap or calyptra consists of a mass of loosely attached cells which forms a protective covering around the tip of the root. form the From the inner sloping sides of the apex cell the segment cells give origin to the dermatogen^ which by repeated division of its cells, originates the epidermis (outer protective covering of the root) periblem, originating cortex and , the and the plerome originating the bundle related tissue.
Of the rhizome is called the anterior extremity and presence of an apical end is known as the posterior extremity and in the living plant constantly decaying, as the anterior portion elongates. is Histology of Mature Stem (Rhizome). Passing from periphery toward the center the following structures are to be observed : Epidermis, a protective outer covering tissue, composed of a single layer of brownish polyhedral cells from which are given off 1. scaly hairs. 2. Outer Cortex (hypodermis), a zone of several layers of thickwalled lignified cells separating the epidermis from the inner cortex beneath.
CHAPTER II THE MALE FERN [DRYOPTERIS OR NEPHRODIUM) FILIX-MAS] LIFE HISTORY OF (ASPIDIUM The Male Fern along with the Marginal Fern (Dryopteris marginhave long been known to the pharmaceutical and medical pro- alis) drug Aspidium, a most valuable remedy tapeworm. The parts of these plants employed are the rhizome and stipes which are collected in autumn, freed of the roots and dead portions and dried at a temperature not exceeding fessions as the source of the for the expulsion of 7 oC. HISTORY OF THE SPOROPHYTE OR ASEXUAL GENERATION of Stem.