Results 241 to 250 of about 104,801 (329)

Portable Raman Spectroscopy for Non‐Invasive Chemotype Identification and pCB Profiling in Cannabis

open access: yesJournal of Raman Spectroscopy, EarlyView.
In vivo Raman spectroscopy of cannabis leaves using a handheld device enables rapid chemotype differentiation. Excitation at 830 nm reduces fluorescence background and allows clear spectral acquisition. Partial least squares discriminant analysis achieved 90% classification accuracy, validated on a blind test dataset.
Danylo Komisar   +10 more
wiley   +1 more source

Impact of Beam Profile on Raman Spectroscopy Measurements

open access: yesJournal of Raman Spectroscopy, EarlyView.
Characterisation and optimisation of the laser beam profile in Raman spectroscopy is critical to ensure accuracy and reproducibility of measurements. The laser beam size and profile have a significant effect on the axial resolution, energy distribution on the sample, focal spot size and excitation volume.
Dimitrios Tsikritsis   +7 more
wiley   +1 more source

Deepfake Media Forensics: Status and Future Challenges. [PDF]

open access: yesJ Imaging
Amerini I   +23 more
europepmc   +1 more source

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