Based on the measurement of intrinsic fluorescence, a set of bio-aerosol including virus aerosols detection
instrument is developed, with which a method of calibration is proposed using tryptophan as the target. The
experimental results show a good linear relationship between the fluorescence voltage of the instrument and the
concentration of the tryptophan aerosol. An excellent correlation (R2≥0.99) with the sensitivity of 4000PPL is
obtained. The research demonstrates the reliability of the bio-aerosol detection by measuring the content of
tryptophan. Further more the feasibility of prejudgment to the species of bio-aerosol particles with the multi-channel
fluorescence detection technology is discussed.
An optical detecting technique to identify bio-aerosol particles is proposed in this paper by normalized fluorescence
value which correlates to its size and intrinsic fluorescence. With the bio-aerosol detecting system developed, we test and
analyze three types of aerosols, while each of them contains fluorescent microspheres of a certain size. The result
indicates that different fluorescent microspheres containing the same fluorescent substances have the same normalized
fluorescence voltage to unit particle size in diameter. The normalized fluorescence value of other species aerosols is
tested for comparing. The research results can be applied to identification of bio-aerosols preliminarily.
Access to the requested content is limited to institutions that have purchased or subscribe to SPIE eBooks.
You are receiving this notice because your organization may not have SPIE eBooks access.*
*Shibboleth/Open Athens users─please
sign in
to access your institution's subscriptions.
To obtain this item, you may purchase the complete book in print or electronic format on
SPIE.org.
INSTITUTIONAL Select your institution to access the SPIE Digital Library.
PERSONAL Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.