Featured Research

from universities, journals, and other organizations

Electronic Nose May Help Diagnose Asthma

Date:
May 22, 2007
Source:
American Thoracic Society
Summary:
An "electronic nose" may one day be used to diagnose asthma, say researchers who are presenting a preliminary study of the device at a major conference. The device contains chemical vapor sensors that react to the presence of volatile organic compounds, or VOCs, in a person's exhaled breath.

An "electronic nose" may one day be used to diagnose asthma, say researchers who are presenting a preliminary study of the device at the American Thoracic Society 2007 International Conference, on Monday, May 21.

Related Articles


The device contains chemical vapor sensors that react to the presence of volatile organic compounds, or VOCs, in a person's exhaled breath. "A person's breath contains a mixture of thousands of VOCs that may be used as markers of lung disease," says researcher Silvano Dragonieri, M.D., of Leiden University Medical Center in the Netherlands.

The electronic nose is a newer version of a sensor that has been used in the food, wine and perfume industries. It is also being used as an aid against terrorism, to sniff out explosives or toxic chemicals in the air.

An electronic nose responds to a given odor by generating a pattern, or "smell print," which is analyzed and compared with stored patterns. An electronic nose has been developed that can diagnose respiratory infections such as pneumonia by comparing smell prints from the breath of a sick patient with those of patients with standardized readings. It is also being studied as a diagnostic tool for lung cancer.

In the new study, the researchers compared the "smell prints" of 20 people with diagnosed asthma (half with severe asthma and half with mild disease) and 20 people without asthma to see if the electronic nose could classify them as asthmatic or non-asthmatic. The subjects breathed into a face mask attached to a bag connected to the electronic nose.

The nose was able to detect which smell prints came from people with asthma, but was less accurate in classifying how severe a person's asthma was. "The asthmatic patients in this study already had been diagnosed with asthma," Dr. Dragonieri says. "The next step is to see whether the nose can diagnose new patients with asthma. It's still a futuristic device--one day different electronic noses may be built to detect specific diseases."

"An Electronic Nose in the Classification of Asthma" (Session B96; Abstract # 2470)


Story Source:

The above story is based on materials provided by American Thoracic Society. Note: Materials may be edited for content and length.


Cite This Page:

American Thoracic Society. "Electronic Nose May Help Diagnose Asthma." ScienceDaily. ScienceDaily, 22 May 2007. <www.sciencedaily.com/releases/2007/05/070521171646.htm>.
American Thoracic Society. (2007, May 22). Electronic Nose May Help Diagnose Asthma. ScienceDaily. Retrieved November 25, 2014 from www.sciencedaily.com/releases/2007/05/070521171646.htm
American Thoracic Society. "Electronic Nose May Help Diagnose Asthma." ScienceDaily. www.sciencedaily.com/releases/2007/05/070521171646.htm (accessed November 25, 2014).

Share This


More From ScienceDaily



More Health & Medicine News

Tuesday, November 25, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

Newsy (Nov. 25, 2014) The US FDA is announcing new calorie rules on Tuesday that will require everywhere from theaters to vending machines to include calorie counts. Video provided by Newsy
Powered by NewsLook.com
Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Newsy (Nov. 25, 2014) Need another reason to eat yogurt every day? Researchers now say it could reduce a person's risk of developing type 2 diabetes. Video provided by Newsy
Powered by NewsLook.com
Madagascar Working to Contain Plague Outbreak

Madagascar Working to Contain Plague Outbreak

AFP (Nov. 24, 2014) Madagascar said Monday it is trying to contain an outbreak of plague -- similar to the Black Death that swept Medieval Europe -- that has killed 40 people and is spreading to the capital Antananarivo. Duration: 00:42 Video provided by AFP
Powered by NewsLook.com
Are Female Bosses More Likely To Be Depressed?

Are Female Bosses More Likely To Be Depressed?

Newsy (Nov. 24, 2014) A new study links greater authority with increased depressive symptoms among women in the workplace. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Health & Medicine

Mind & Brain

Living & Well

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins