An interdisciplinary and engaging practical is detailed which offers great versatility in the study of a qualitative and quantitative metabolism of azo-dyes by "Staphylococcus aureus". This practical has broad scope for adaptation in the number and depth of variables to allow a focused practical experiment or small research project. Azo-dyes are…

With the persistence of microbiological foodborne illness and anticipated future shortage of scientists with agricultural and food science expertise in the United States, it is imperative to educate youth on microbiological food safety and enhance their awareness of opportunities to become engaged in finding solutions to food safety challenges. To…

"Proceedings of International Conference on Research in Education and Science" includes full papers presented at the International Conference on Research in Education and Science (ICRES) which took place on March 24-27, 2022 in Antalya, Turkey. The aim of the conference is to offer opportunities to share ideas, to discuss theoretical and…

Describes the preparation of a simple microbiological medium using inexpensive materials routinely available in any supermarket. Discusses inoculation of the medium and colony examination. (JRH)

Presents a microbiology experiment on how to make soft pretzels with different flours and analyze the results using regression models. (Contains 12 references.) (ASK)

Presents design and construction details of a controlled temperature heat block. Includes information about the heater block, thermistor probe, circuit board, and the housing. (DDR)

Uses Lego building blocks to improve the effectiveness of teaching about protein synthesis. Provides diagrams and pictures for a 2-3 day student activity. Discusses mRNA, transfer RNA, and a protein synthesis model. (MVL)

Describes simple, inexpensive activities for teaching students about mutants and mutations in bacteria. Explains how to isolate bacteria from soil and leaves and how to grow bacteria on agar or in broth. Describes how to construct a gradient plate for finding the minimum inhibitory concentration of a substance and how to use this set up to find…

Presents a laboratory model system for introductory microbiology students that involves hands-on studies of bacteria vectored in soil nematodes. Describes a series of experiments designed to demonstrate vector-fomite transmission, bacterial survival, and disinfectant activity. Introduces the concept of genetically engineered microorganisms and the…

States the procedure for isolating actinomycetes from soil and testing for antibiotic growth. (LS)

Describes the collection and culturing of microscopic molds that feed mainly on tiny nematodes in the soil. Includes bibliography. (MA)

Describes methods for converting a large refrigerator or freezer into a microbiological incubator, in which a heater and temperature regulator are installed. (CS)

Presents a laboratory demonstration that helps students understand the concept of microscope calibration. (JRH)

This document is an instructional module package prepared in objective form for use by an instructor familiar with multiple tube and membrane filter techniques for determining fecal coliform concentrations in a wastewater sample. Included are objectives, instructor guides, student handouts and transparency masters. This module considers proper…

Errors in determining the effectiveness of mouthwashes, disinfectants, and other household products as antibacterial agents may result from using broth cultures and/or irregularly shaped bits of filter paper. Presents procedures for a better technique and, for advanced students, two additional procedures for introducing quantitative analysis into…