FITC (389 g/mol) was one of the first dyes which was used for fluorescence microscopy and served as an origin for further fluorescent dyes like Alexa FluorÂ®488. Its fluorescence activity is due to its large conjugated aromatic electron system, which is excited by light in the blue spectrum.
Body odor is not catching. If the body odor is due to an infection, the infection may be contagious, such as a sexually transmitted disease. Inherited conditions may be passed on to children through the genes.ody odor is the term used for any unpleasant smell associated with a person's body. People usually associate body odor with sweat, but sweat by itself does not give off an odor.
Tweet. A bad body odor may not only be due to the odor from the skin. Halitosis (bad breath), offensive groin odor and even bad foot odor are all factors to consider in body odor. In close proximity to others, even odors in concealed areas may be detectable.he causes of foul body odor in general may be due to the following causes 1  : Bromhidrosis (also known as ozochrotia or osmidrosis is mentioned above). 2  Poor hygiene. 3  Tobacco smoking. 4  Alcohol consumption. 5  Topical applications. 6  Foul odor from clothing. 7  Causes of halitosis (bad body odor). 8  Discharge from the penis, vagina, ear, nose.