Buchtel College of Arts and Sciences

Date of Last Revision

2023-05-08 16:24:08


Biomedical Science

Honors Course


Number of Credits


Degree Name

Bachelor of Science

Date of Expected Graduation

Spring 2023


This study aims to examine the relationship between e-cigarettes (both with nicotine and without) and the effects on the standard metabolic rates of crayfish. In this experiment, 42 crayfish were divided into three treatment groups and exposed to a designated solution of either a control solution or a solution containing e-cigarette (nicotine or non-nicotine) vapor. Their standard metabolic rates were then measured by using oxygen uptake as a proxy. The results of this experiment indicate that there is no statistically significant relationship between the use of electronic cigarettes and the standard metabolic rate of crayfish. However, this study can be adjusted slightly to improve results, which would be meaningful in the growing research on e-cigarettes and their overall effects. The sample size was too small to warrant any meaningful results, the measurements were not direct measurements of standard metabolic rate, and there were too many extra variables that were not accounted for. It was unknown whether or not the environment became hypoxic during the trials. This could have been alleviated by implementing an intermittent-flow respirometry system (Svendsen et al., 2016) to constantly oxygenate the water during the experimental trials.

Research Sponsor

Dr. Brian Bagatto

First Reader

Dr. Qin Liu

Second Reader

Dr. Rachel Olson

Honors Faculty Advisor

Dr. Brian Bagatto

Proprietary and/or Confidential Information




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