File:Applied bacteriology for nurses (1919) (14761992886).jpg

Identifier: appliedbacteriol00bold (find matches)
Title: Applied bacteriology for nurses
Year: 1919 (1910s)
Authors: Bolduan, Charles, b. 1873 Grund, Marie
Subjects: Bacteriology Pathogenic bacteria
Publisher: Philadelphia and London : W.B. Saunders Company
Contributing Library: University of Connecticut Libraries
Digitizing Sponsor: University of Connecticut Libraries

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ded, otherwise much will remain unaltered and willnot be converted into gas. The fumes are kept in theroom for twelve hours, and when the process of disinfec-tion is completed they may be displaced by ammonia.Formaldehyd does not injure w^ool or silk, gilt, copper,or leather. Formaldehyd is a very efficient surface disinfectant,but under ordinary circumstances it does not pene-trate to any depths. The Japanese method securesmuch greater penetration. In this the formaldehyd gasis diffused, by means of a rather complex apparatus,throughout steel chambers which have previouslybeen heated to 65° C. Clothing, rugs, etc., are exposedto these formaldehyd vapors for fifteen minutes T\ithsatisfactory results—i. e., bacteria in the interior of thebundles were destroyed. So far as the need of fumigation i. concerned, the readeris referred to page 57.) The use of chlorin in the disinfection of water supplieshas already been described. (See pages 39 and 149.) 168 APPLIED BACTERIOLOGY FOR NURSES
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THE PRACTICE OF DISINFECTION 169 DISINFESTATION The important part played by lice in the transmission ofdisease has been demonstrated anew by the recent war,and delousing, or disinfestation as it is called, has ac-cordingly had considerable attention. In practice it hasbeen found that one of the most reliable means of de-stroying lice in clothing is by the application of dry heator steam. Immersion of the garments in gasoline is alsohighly effective and may often be more convenient.Where there is a danger of fire, tetrachlorethane may beused, as this is not inflammable. . To keep lice away the application to the body of agrease containing naphthalene, coumarfn, heliotropin, orcertain other odorous substances has been recommended.The effect of this wears off as the grease is absorbed by theunderclothing; nevertheless the treatment is of service. So far as head lice are concerned, the application ofcrude petroleum at night, the head being then bound in atowel, followed by a thorough was

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