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Author Archives: Connor
Bioreactor Monitoring Using Non-Invasive Raman Spectroscopy
Raman spectroscopy is a non-destructive, non-invasive technique that is an excellent alternative to traditional process-monitoring methods that require sampling. Raman provides real-time information on the state of the bioreactor. In our previous blog post – St. Patrick’s Day at Beer&W Tek! we demonstrated how the fermentation process is monitored using an i-Raman EX, a 1064-nm laser laboratory instrument, with RIS101 Sapphire Ball Immersion Shaft. In this post, we take the next step of performing non-invasive, stand-off monitoring of the brewing process with a RTS202 Stand-off lens (Figure 1). This allows us to gather real-time information on the state of the bioreactor without the risk of disruption or contamination. Continue reading
Posted in Portable Raman Applications Videos, Applications Videos, Portable Raman
Tagged 1064nm, i-Raman EX
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Steeping into the World of Tea with Raman
Raman spectroscopy is a promising technique in food science due to its ability to provide rapid and non-destructive analysis of samples. For instance, we have previously explored the Raman spectra of olive oils using the B&W Tek i-Raman® Plus-785 system (Fast Ingredient Analysis of Edible Oils Using a Portable Raman Spectrometer). Regular Raman spectroscopy can be applied to investigate properties of traditional/herbal tea, and when Raman is coupled to SERS technology it can be used to detect trace pesticides (ug level) on tea leaves (Trace Detection of Paraquant in Tea Leaves)… Continue reading
Posted in Portable Raman Applications Videos, Applications Videos, Portable Raman
Tagged 1064nm, 785nm, i-Raman, SERS
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Panning for Gemstones: The Raman Rush
Fall is a season of harvest and festivals, which makes it an ideal time to get outside while the weather … Continue reading
Posted in Portable Raman, Handheld Raman
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Veggie burger or Beef burger? Let Raman tell you!
You may have heard of vegetarian-friendly foods like cauliflower burgers and the Impossible Burgers for example. Both are created to … Continue reading
Posted in Portable Raman, Handheld Raman
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Quantitative analysis of Milkfat content
Milk from cattle and other domestic livestock has been an important food source for humans for thousands of years. The … Continue reading
St. Patrick’s Day at Beer&W Tek!
HAPPY ST. PATRICK’S DAY! St. Patrick’s Day (March 17th) has been popularized worldwide as a time to celebrate by wearing … Continue reading
International Day of Women and Girls in Science 2022
Friday, February 11th was International Day of Women and Girls in Science 2022. This day was declared in 2015 as … Continue reading
Using Portable Raman Instrumentation to Make the Wintertime Safer
The winter season can be one of the most beautiful times of the year. Unfortunately, along with the freshly fallen … Continue reading
Using Raman to Choose the Ingredients for Santa’s Treats
Happy Holidays from Your Spectroscopy Partner! In the USA, putting out a plate of cookies and a glass of milk … Continue reading
1064 nm Raman Excitation of Fluorescent Pumpkin Seed Oil
Happy Halloween! Jack-O-Lanterns, pumpkins with ghoulish faces placed in front of homes, have been a symbol of Halloween for centuries1. Because … Continue reading
