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Title: Preparing and Testing a Magnetic Antimicrobial Silver Nanocomposite for Water Disinfection To Gain Experience at the Nanochemistry–Microbiology Interface

In this article, we describe a 2 h introductory laboratory procedure that prepares a novel magnetic antimicrobial activated carbon nanocomposite in which nanoscale sized magnetite and silver particles are incorporated (MACAg). The MACAg nanocomposite has achieved the synergistic properties derived from its components and demonstrated its applicability as an effective and recoverable antimicrobial agent for water disinfection. The principle is successfully illustrated by a significant reduction in the number of microbes in an Escherichia coli (E. coli) solution of 2 × 10 6 colony forming units following its treatment with MACAg for 10 min. The exercise allows the college students to (1) be introduced to an exciting class of advanced materials, known as nanocomposites, at an early stage, (2) gain working experiences at nanochemistry–microbiology interface, and (3) see the use and experience the fun of chemistry. The experiment uses readily available materials, can be run in a general or introductory chemistry laboratory environment, and is well received and enjoyed by the students. Lastly, the experiment is also suitable for advanced high school students.
ORCiD logo [1] ;  [1] ;  [1] ;  [2] ;  [3]
  1. U.S. Merchant Marine Academy, Kings Point, NY (United States). Math & Science Department
  2. Johns Hopkins Univ., Baltimore, MD (United States). Neuroscience Department
  3. Brookhaven National Lab. (BNL), Upton, NY (United States). Instrumentation Division
Publication Date:
Report Number(s):
Journal ID: ISSN 0021-9584; KA-04
Grant/Contract Number:
Accepted Manuscript
Journal Name:
Journal of Chemical Education
Additional Journal Information:
Journal Volume: 94; Journal Issue: 4; Journal ID: ISSN 0021-9584
American Chemical Society
Research Org:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 59 BASIC BIOLOGICAL SCIENCES; Applications of Chemistry; Bioinorganic Chemistry; First-Year Undergraduate/General; Hands-On Learning/Manipulatives; Interdisciplinary/Multidisciplinary; Laboratory Instruction; Magnetic Properties; Materials Science; Nanotechnology; Second-Year Undergraduate; Water/Water Chemistry
OSTI Identifier: