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Sex Differences In Mood And Anxiety-Related Outcomes In Response To Adolescent Nicotine Exposure, Tsun Hay Jason Ng Aug 2023

Sex Differences In Mood And Anxiety-Related Outcomes In Response To Adolescent Nicotine Exposure, Tsun Hay Jason Ng

Electronic Thesis and Dissertation Repository

Nicotine dependence is causally linked to increased risk of mood/anxiety disorders in later life. Females are reported to experience a higher prevalence of anxiety/depressive disorders and challenges in smoking cessation therapies, suggesting a potential sex-specific response to nicotine exposure and mood/anxiety disorder risk. However, pre-clinical evidence of sex-specific responses to adolescent nicotine exposure is unclear. Thus, to determine any sex differences in anxiety/depressive-related outcomes, adolescent male and female Sprague Dawley rats received nicotine (0.4 mg/kg; 3x daily) or saline injections for 10 consecutive days, followed by behavioural testing, in-vivo electrophysiology and Western Blot analyses. Our results revealed that adolescent nicotine …


Nicotine And E-Cigarette Effect On Maximal Metabolic Rate (Mmr) In Procambarus Clarkii, Nathan Cuttica Jan 2023

Nicotine And E-Cigarette Effect On Maximal Metabolic Rate (Mmr) In Procambarus Clarkii, Nathan Cuttica

Williams Honors College, Honors Research Projects

The use of electronic cigarettes, commonly referred to as e-cigarettes or vapes, has increased exponentially in recent years despite the lack of research into potentially negative physiological effects. The rise in e-cigarette use is likely due to the overwhelming evidence regarding the addictive properties of nicotine and the damage caused by traditional tobacco cigarettes. Most e-cigarettes, however, still contain nicotine and are associated with a rise in nicotine-related intoxications (Belkoniene et al., 2019). There are nicotine-free e-cigarette options, which are gaining popularity, but it is unknown if they carry similar or other negative physiological effects. Studies involving e-cigarettes containing nicotine …


Effects Of Electronic Cigarettes On The Standard Metabolic Rate Of Crayfish, Frank Shaffer Jan 2023

Effects Of Electronic Cigarettes On The Standard Metabolic Rate Of Crayfish, Frank Shaffer

Williams Honors College, Honors Research Projects

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 …