What’s the story behind DNA melting temperature analysis? UV-Visible absorption spectroscopy can be used to assess the characteristics of deoxyribonucleic acid (DNA), a naturally occurring polymer ...

This article explains UV-Vis PV testing needs, helping users to select appropriate standards and kits for compliance.

Why choose UV-Vis for food and beverage analysis? Food and beverage analysis requires methods to assess physical and sensory attributes, nutritional components, and ingredient, contaminant, and ...

Physicists achieve major leap in precision and accuracy at extremely low light levels. Researchers at the Max Planck Institute of Quantum Optics (MPQ) have successfully developed a new technique for ...

An ultraviolet photon-counting dual-comb spectrometer. Two ultraviolet frequency combs of slightly different pulse repetition frequencies are generated at very low light levels by nonlinear frequency ...

Thermo Scientific ™ NanoDrop ™ Microvolume UV-Vis Spectrophotometers have been trusted in laboratories for over 20 years. With four models to choose from and software add-ons that enhance performance ...

Quantum dots (QDs) are semiconducting nanoparticles with distinct optical and electrical properties that fall between bulk materials and discrete molecules. QDs' size-dependent tunability makes them ...

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How it works: the top frequency comb is passed through a sample of interest and then into a beamsplitter. The bottom frequency comb operates at a slightly different pulse repetition frequency and is ...

Spectroscopy has many applications, ranging from fundamental tests of quantum electrodynamics and investigations of molecular ...