Visualization of Tip-Enhanced Raman Spectroscopy (TERS): This diagram illustrates the interaction of a laser beam with a sample surface through a sharp metallic tip. The red laser light excites the ...

During light scattering, the majority of scattered light undergoes no change in frequency (or energy), in a process referred to as referred to as elastic or Rayleigh scattering. Raman spectroscopy ...

This article explains the "Raman Concatenation", a measurement approach that can overcome several trade-offs. In general, fluorescence impacts many Raman measurements, necessitating the adoption of ...

A research team led by Prof. Fang Yonghua from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences ...

Real-time and in-line accurate measuring of protein (monoclonal antibody, or mAb) concentration has been shown across a wide dynamic range (0–135 g/L) through the ...

Tea is believed to have originated in China approximately 5,000 years ago. 1 The leaves of the Camellia Sinensis plant are used to make traditional tea with differences in flavor, aroma, and color ...

A collaborative research team has developed the world's first AI-based optical diagnostic platform that enables rapid and accurate differentiation—within minutes—between ordinary nasal secretion and ...

Laser wavelength selection, a critical determinant of accuracy and data quality, is guided by factors such as resonance, fluorescence, and sample absorption. Ensuring the correct laser wavelength ...

Since its discovery in 2004, graphene has become a highly prized material in electronics applications owing to its unusual electronic structure. 1 Although graphene is only composed of carbon atoms, ...

A PDF version of this document with embedded text is available at the link below: US012203862B1 (12) United States Patent LaChapelle et al. (54) RAMAN SPECTROSCOPY SYSTEM (71) Applicant: Haemanthus, ...