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What else can I help you with?
The chemical used to locate blood at a crime scene?
Luminol is a common chemical used to detect blood at a crime scene. It reacts with the iron in hemoglobin, causing a blue glow under UV light. This can help investigators identify blood even if it has been cleaned or hidden.
What is the relationship between tryptophan and UV absorbance?
Tryptophan is an amino acid that absorbs ultraviolet (UV) light. The relationship between tryptophan and UV absorbance is that tryptophan molecules can absorb UV light, which can be measured as a way to detect and quantify the presence of tryptophan in a sample.
How do you detect blood on a window frame?
Use a UV light. The blood stain will appear black.
Why do hairdressers have uv light?
UV light is often used by hairdressers to set certain types of hair products, such as gels and acrylics, more quickly. The UV light helps to harden and cure these products, making them more long-lasting and durable. UV light can also be used to detect certain hair or scalp conditions, such as fungal infections.
Can a black light detect seamen?
Yes, a black light can detect bodily fluids such as semen due to its ability to fluoresce under UV light. Semen contains proteins that will glow when exposed to ultraviolet light, making it visible even in small amounts.
How do you test for semen on carpet?
Ask a woman they always find the wet spot.
What was the purpose of examining the original pGLO solution with and without UV illumination?
The purpose of examining the original pGLO solution with UV illumination was to detect bacteria. The purpose of examining the original pGLO solution without UV illumination was to detect the possibility that DNA cells existed.
How can UV light be used to detect forgeries?
under uv lights, different inks appear differently, e.g. it fluoresces. if the forged signature is diffrent from the rest of the document, chances are that the signature is forged
Is UV light the same as fluorescent light?
The UV light is different to that of fluorescent light. The UV originates from the sun. The latter one does not.No, it is not. UV is different.
Why does seminal fluid flouresce in uv light?
Seminal fluid contains compounds like flavins and porphyrins that can fluoresce when exposed to ultraviolet (UV) light. This fluorescence can help in detecting the presence of semen at crime scenes or in forensic investigations.
What is an EM wave used in detecting fake money bills?
Ultraviolet (UV) light is commonly used to detect fake money bills. UV light causes security features in genuine currency, such as fluorescent threads or watermarks, to become visible. These security features are not present in counterfeit bills, making them stand out under UV light.
What animal uses UV rays?
Certain species of birds, insects, and some mammals, like reindeer, can see ultraviolet (UV) light, which aids in navigation, foraging, and communication. For example, many flowers have UV patterns that attract pollinators like bees, which can detect these wavelengths. Additionally, reindeer can see UV light to help them locate food against the snow, as urine and certain lichens reflect UV rays.
