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Key Applications: - Chemical Synthesis - Crystallization - Chemical Process Development and Scale-up - Process Analytical Technology - Pharmaceutical Formulations - Fermentation and BioProcessing - Continuous Flow Chemistry
For both Stoke and Anti-Stokes the energy of the laser photon striking the particle/molecule is exactly the same (in our case it’s a 785nm laser). The difference, is that for Anti-Stokes the molecule is in an excited vibrational ground state level and when that particular molecule is hit with the laser photon, it is excited to a virtual state and then relaxes by giving off energy in the form of scattered photons. Since the molecule originated from an excited vibrational ground state the “energy” of the scattered photons is higher than in the case of Stokes scattering (which occurs when the molecule is in its ground state). The best explanation is the visual of the vibrational energy states that we have for Raman Scattering here -www.mt.com/us/en/home/applications/L1_AutoChem_Applications/Raman-Spectroscopy/raman-scattering.html
@MettlerToledoAC I just watched a video by thermo scientific spectroscopy materials analysis and he kind of goes over it, I appreciate the in-depth description though. I'm hoping to take part in research in the fall, as a senior undergrad, based mostly on coherent Raman spectroscopy; would you have any suggestions to prep for that?
@@jacobwestbrook9527 Here's a good resource (below) that we recommend. It’s a biggie and definitely not a short read, but it does go through all the ins and outs of Raman edited by a couple Raman gurus (Ian Lewis and Howell Edwards) and co-authored by several academia and industry Raman experts Handbook of Raman Spectroscopy From the Research Laboratory to the Process Line ISBN: 0-8247-0557-2
Has anyone discovered the process of the sugar in dna being a different type than the 3 rna's and both types appear only in their right hand (Chiral) form?
Probably the most underrated area of research in all of API manufacturing. I wish it would get more attention. And I also wish there were more conventional approaches to crystallization parameterization rather then than buying an expensive laser
Here are some links you might find helpful: IR vs Raman - www.mt.com/us/en/home/applications/L1_AutoChem_Applications/Raman-Spectroscopy/raman-vs-ir-spectroscopy.html Raman spectroscopy - www.mt.com/us/en/home/applications/L1_AutoChem_Applications/Raman-Spectroscopy.html FTIR spectroscopy - www.mt.com/us/en/home/applications/L1_AutoChem_Applications/ftir-spectroscopy.html
Thank you for your feedback! PVM is a trademarked term and technology used in our EasyViewer particle size analyzers. More info on PVM (Particle Vision and Measurement) can be found here: www.mt.com/us/en/home/phased_out_products/L1_AutochemProducts/FBRM-PVM-Particle-System-Characterization/PVM/ParticleView-V19-PVM-Technology.html
Download the guide to learn about the seven key crystallization mechanisms that dramatically impact product quality and yield: www.mt.com/us/en/home/library/guides/automated-reactors/Key-Crystallization-Mechanisms.html?GLO_YT_Autochem_OTH_RU-vid_Autochem
Learn more about flocculation in chemical process development: www.mt.com/us/en/home/applications/L1_AutoChem_Applications/L2_ParticleProcessing/Formulation_Flocculation.html
Learn more about Crystallization and the agglomeration of particles: www.mt.com/us/en/home/applications/L1_AutoChem_Applications/L2_Crystallization.html
This video is awesome and thanks that I found it on the website and now my understanding about crystallization is strong . Thanks a lot for this wonderful video 😁😅❤
Learn more about Rayleigh and Raman scattering: www.mt.com/us/en/home/applications/L1_AutoChem_Applications/Raman-Spectroscopy/raman-scattering.html#rayleigh-vs-raman-scattering
Learn more about chemical synthesis and synthesis reactions: www.mt.com/us/en/home/applications/L1_AutoChem_Applications/L2_ReactionAnalysis.html?GLO_YT_Autochem_OTH_RU-vid_Autochem
**note that the stokes would have a longer wavelength (and period) and lower frequency, whereas antistokes would have a shorter wavelength (and period) and higher frequency
