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.
When sweat mixes with the natural bacteria on your skin, it causes body odor. Sweat comes from the areas of your body with the most sweat glands such as under your arms, the palms of your hands, the bottom of your feet, and between your legs.ody odor is natural and is usually caused by sweating. When you are hot, feel nervous, or start exercising, you are likely to sweat more.