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Electronic cigarettes require more suction than conventional brands
Date:7/28/2010

ictably cause the aerosol to reach deeper tissue in the user's lungs. As in the case of conventional harm reduction cigarettes with lower nicotine content, users of e-cigarettes may also need to smoke greater number of puffs to receive sufficient amount of nicotine to satisfy their craving.

"Based on the results of this paper, not only do users become more aware of the vapor characteristics and smoking properties of e-cigarettes but also manufacturers of e-cigarettes will take notice of the functional inconsistencies of their products," he said.

About electronic cigarettes:

E-cigarettes are marketed as a relatively new type of tobacco-free nicotine delivery device, consisting of a battery, a charger, a power cord, an atomizer, and a cartridge containing nicotine and propylene glycol.

When a smoker draws air through an e-cigarette, an airflow sensor activates the battery that turns the tip of the cigarette red to simulate smoking and heats the atomizer to vaporize the propylene glycol and nicotine. Upon inhalation, the aerosol vapor delivers a dose of nicotine into the lungs of the smoker, after which, residual aerosol is exhaled into the environment.

While produced mainly in China, e-cigarette use has rapidly proliferated worldwide. E-cigarettes do not burn tobacco and therefore do not deliver the numerous chemicals and toxicants found in conventional cigarette smoke.

To date, little has been published in the scientific literature about the health benefits and risks of e-cigarettes.

About the smoking machine:

The smoking machine consists of a puffer box connected via tubing to a peristaltic pump. The line between the puffer box and the pump contain two untapered T connectors. The connector closest to the puffer box holds the conventional or electronic cigarette. The second connector is attached to an upright U-shaped water manometer built at UC Riverside. The manometer measures th
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Contact: Iqbal Pittalwala
iqbal@ucr.edu
951-827-6050
University of California - Riverside
Source:Eurekalert  

Page: 1 2 3 4

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