What is fluorescence ?

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sivakrishna's picture

Answer: 
Fluorescence is the emission of light from a compound (fluorophore), which initially absorbs photons. Frequently observed fluorescence is the blue glow at the surface of tonic water exposed to sunlight. Fluorescence spectroscopy aims to record and analyze sample fluorescence (often proteins with attached fluorophore probes) that is very sensitive for dynamic and structural changes within a molecule or protein. REF:http://www.ehow.com/

Siva Krishna,

Viswanadha Institute of Pharmaceutical Sciences,

www.vnip.edu.in

sivakrishna's picture

Answer: 

Dry ice is solidified carbon dioxide. When dry ice melts, it turns into carbon dioxide gas. Carbon dioxide gas is always present in the environment, but in low concentrations. It is colorless and odorless.                REF:http://www.health.ny.gov

Siva Krishna,

Viswanadha Institute of Pharmaceutical Sciences,

www.vnip.edu.in

Arun Kumar's picture

Answer: 

Fluorescence is the property of emitting electromagnetic radiation in the form of light as the result of (and only during) the absorption of light from another source.ref:http://www.pharmainfo.net/answers/pharmaquestion/what-fluorescence

Regards

K. Arun Kumar

Viswanadha Inst. of Pharmaceutical Sciences

www.vnips.edu.in

Karanam Nilesh's picture

Answer: 

an optical phenomenon that is manifested as glowing light.

ref:http://www.wisegeek.org/what-is-fluorescence.htm

NILESH K F

Viswanadha Institute of Pharmaceutical Sciences.

VNIPS

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