That’s not the only way to do it, though, as [Markus Bindhammer] shows with this proof-of-concept UV/visible spectrometer. Rather than a single light source, [Marb] uses six discrete LEDs, each ...

Ultraviolet-visible (UV-Vis) spectroscopy is a widely used technique in many areas of science ranging from bacterial culturing, drug identification and nucleic acid purity checks and quantitation, to ...

The V-650 is a double-beam spectrophotometer with a photomultiplier tube (PMT) detector. The high sensitivity of the PMT enables accurate measurements of low (and high) concentration samples. By ...

UV/Vis spectroscopy is a widely used analytical technique across chemistry, biological sciences, biochemistry, and biophysics. It involves measuring the absorption of light by molecules across a ...

UV-Vis spectroscopy is based on the interaction of UV and visible light with matter. When a sample is illuminated, it can absorb photons, causing electronic transitions from the ground state to ...

Conventional spectrometer designs often integrate advanced optical components and complex underlying mechanisms. As a result, they are often bulky and expensive, which significantly limits their ...

But state-of-the-art ultraviolet and visible (UV-vis) spectrophotometry, which measures electronic transitions of a wide range of molecules as they absorb light, was cumbersome and expensive. In July ...

Students will use a spectrophotometer to learn about the wavelengths that correspond with visible light. Learning Objectives: Students will learn about wavelength and use their understanding to ...