Many of the abstracts link to full page pdf articles and others contain links to other websites that host the material. If you have an interesting application that you would like to share with us, please send your article to ContactUs@stellarnet.us.
Analyzing Astrophotography Filters- The SpectraWizard captures the Orion Nebula
After analyzing the spectrum of Sirius and Betelgeuse, the SpectraWizard decided to take a shot with astrophotography. His journey takes him to the Great Orion Nebula where he creates a superimposed image of the nebula using bandpass filters. He uses spectroscopy to...
Raman vs NIR Spectroscopy
StellarNet's President, Jason Pierce, explains some of the practical differences of Raman and NIR spectroscopy, which include the inability for NIR to measure aqueous samples, the surface area of detection, portability, specificity, SERS, and fluorescence. A...
Hot Special on Handheld Raman Spectrometers
StellarNet, Inc. is offering a Hot Special of 20% off all handheld Raman Spectrometers starting in June 2021. This offer is only through our US sales office, please contact your local distributor for pricing and discounts available in your region. Don't miss out. Get...
Fluorescent Fish Analysis – Exciting Spectroscopy
Ever have a relaxing weekend with plenty of rest, and when you return to work someone tells you, "you're glowing!"? Not in the literal sense, but if you say that to a glow fish it has a whole new meaning. Glow fish are the first genetically engineered pet that are...
May Flowers Application Special – StellarNet Team visits Local Plant Nursery
It is officially spring and the StellarNet team visited a local plant nursery to do color analysis of freshly bloomed flowers and compare solar spectra from inside and outside of the greenhouse. Green Thumb is a local nursery that has everything you need to get your...
May the 4th be with you! Lightsaber Technology, Fact or Fiction?
Happy Star Wars Day and May the Fourth be with you! Please enjoy this fun spectroscopy application note on lasers and light, from your favorite spectrometer manufacturer, StellarNet, Inc.Star Wars has taken over the galaxy, the box office, and the toy aisles. With...
Piney Point on-site Water Quality Testing using StellarNet UV-VIS Spectrometers
The StellarNet Team collected and tested water samples near the Piney Point wastewater leak in Tampa Bay last week- April 9th, 2021. Using their portable UV-VIS spectrometers and NECi enzyme based phosphate and nitrate test kits, they were able to gather real-time...
Spectroscopy of Beer- St. Patrick’s Day Beer Color Analysis
StellarNet celebrates St. Patrick's Day at Brew Bus Brewing by analyzing green beer. David Parrino, Director of OEM Business at StellarNet, uses the new ColorWiz Mobile App for Android and iPhone to analyze the color differences between different beers on tap. He then...
Analyzing the Spectrum of Sirius: SpectraWizard Spots “The Dog Star”
The next stop on the SpectraWizard's exploration of the Universe is Sirius: The Dog Star. Found in the Constellation Canis Major, Sirius is always easy to find because it is the sky's brightest star. If you have been following the SpectraWizard on his journey, it is...
Raman Spectroscopy of Oils Part 2, StellarRAM-1064nm
Raman Spectroscopy of Oils Part 2, StellarRAM-1064nm New StellarRAM-1064nm handheld Raman for highly fluorescent samples such as sesame oil. The system's longer wavelength, 1064nm laser, reduces background fluorescence in certain samples. Raman's fingerprint spectrum...
Delta E Color Difference for Quality Control – Anodized Gold Metal Parts
Delta E Color Difference for Quality Control - Anodized Gold Metal Parts We manufacture many of our products with vibrantly colored anodized metal...
Analyzing the Spectrum of Betelgeuse the Valentine’s Day Star
The SpectraWizard begins his quest to explore the Universe and "Develop Intelligence from Light" by taking a look at Betelgeuse, the Valentine's Day star. The SpectraWizard is a bit of a romantic and realizes stargazing can also be an activity for two. Betelgeuse is a...
Introducing ColorWiz Color Analysis App for Android and iPhone
The ColorWiz App for all WiFi enabled StellarNet spectrometers makes real-time color measurements quick and easy. Acquire full spectrum analysis and research-grade colorimetry of solids, liquids, and powder samples! This intuitive app lets users control their...
The SpectraWizard Goes Stellar- AstroSpectroscopy Basics
Spectroscopy is one of the most valuable tools that an astronomer has for studying the Universe. Spectrometers help us determine the chemical compositions, physical properties, and velocities of astronomical bodies light-years away. Pioneering Scientists If you...
Holiday Specials on StellarRAM Handheld Raman Analyzers
This holiday season don't get your special someone fake perfume! Our new StellarRAM handheld Raman Analyzer can capture each fragrance's unique spectral fingerprint and provide instantaneous match results. Small differences in component concentration can be detected....
Winter Special – Spectroscopy of Holiday LEDs, Lasers, & Displays
Happy Holidays from the SpectraWizard and the StellarNet team! 2020 has been a crazy year for us all coping with the COVID-19 Pandemic. We have been working with many researchers worldwide not only to detect the virus but also finding ways to disinfect using UVC...
November Spectroscopy Spotlight: Harvesting and Food Quality Applications
To celebrate the fall harvest and Thanksgiving, the StellarNet team has put together a collection of food quality spectrometer applications. Some of the applications are from our favorite 2020 customer research and others are from our applications division. Please...
Fish Freshness Assessment using NIR spectroscopy
Jyotsna Dei; Hemanta Naskar; Samhita Dasgupta; Shreya Nag; Bijay Kumar Behera; Bipan Tudu; Runu Banerjee Roy; Rajib Bandyo Abstract The feasibility of near- infrared (NIR) spectroscopy to discriminate the freshness of an Indian Major Carp, Rohu (Labeo rohita) was...
Discrimination of Various Clones of Black Tea Using NIR Spectroscopy
Debangana Das; Shreya Nag; Hemanta Naskar; Ajanto Kumar Hazarika; Runu Banerjee Roy; Santanu Sabhapondit; Bipan Tudu Abstract In this work, discrimination of five different clones of black tea viz., TV 20, TV 18, TV 22, TV 23 and mixed clone (a mixture of TV 20, TV...
Selection of Vis-NIR wavebands for forecasting apple fruitlet drop in response to chemical treatment
Yevgeniya Orlova, Raphael Linker,Boris Spektor - Faculty of Civil and Environmental Engineering, Technion-Israel Institute of Technology, Haifa, 3200003, Israel Abstract Apple trees tend to bear an excess of young fruits (fruitlets). Chemical thinning with an...
Non-destructive visible and short-wave near-infrared spectroscopic data estimation of various physicochemical properties of Fuji apple (Malus pumila) fruits at different maturation stages
Razieh Pourdarbani, SajadSabzii, Davood Kalantari, Juan I. Arribas - Chemometrics and Intelligent Laboratory Systems, November 2020 Abstract Measurement of physicochemical properties of fruits during maturation stages can help having proper fruit management....
Non-Destructive, Opto-Electronic Determination of the Freshness and Shrivel of Bell Pepper Fruits
Bernhard Althaus and Michael Blanke … - INRES-Horticultural Science, Faculty of Agriculture, University of Bonn, Germany Abstract (1) The objective of the present study was to identify suitable parameters to determine the (degree of) freshness of Bell pepper fruit of...
Prost! Oktoberfest Beer Analysis at Home with David Parrino
While Oktoberfest celebrations in Munich and around the world have been canceled this year due to the COVID-19 pandemic, the StellarNet Team decided to make the best of it with a beer celebration the 2020 way- at home. Spectroscopist and beer enthusiast, David...
Safely Back to Spectroscopy – FREE Spectrometer Promotion for Back to School
As we head into the fall semester and get ‘Back to School’ it is hard not to notice that this year is different than years past. COVID-19 has students, professors, and the world trying to figure out how to learn, educate, & continue research while staying as safe...
Chew on this! Shark Week Special – LIBS of Fossilized Shark Teeth
With "Shark Week" in full swing and our recent discovery of fossilized shark teeth on our Florida beaches, our applications team decided to analyze the teeth using Laser Induced Breakdown Spectroscopy (LIBS). Shark teeth are the most common fossil because sharks...
Sunkissed on my COVID Beach Vacation
After months of being cooped up at home, I decided I needed a change of scenery…responsibly. It was the perfect time to take a semi-staycation. I rented an Airbnb, packed up my car, and headed for a home near a secluded beach. I relaxed, swam in the pool, BBQ ’d...
Covid-19 Research Special- Analyzing UVC Sanitization of Face Masks
From left to right: María Teresa Flores-Arias, Justo Arines and Carmen Bao-VarelaOur research group, Photonics4life, are members of the Physics Faculty at the Universidade de Santiago de Compostela. During the lockdown, due to the Covid-19 pandemic disease, we were...
Sanitizing with Light – Testing UV Disinfecting Lamps
With Coronavirus numbers in the United States still rising, many people are looking at UVGI as an answer to reopening safely. UVGI or Ultraviolet Germicidal Irradiation is a method of disinfection that uses UV-C light to sanitize. UV-C light can inactivate bacteria...
Haze Measurement Application Note -Packaging, Beverages, Displays, and Diffusers
Haze is an important appearance attribute that directly affects human perception and plays an important role in consumer demand. It can be the difference between deeming something as shiny, beautiful and new, or dingy, weathered, and worn. Haze can be quantified and...
Happy 4th of July – How Compact Spectrometers are being used in Combustion Research: Here Come the Fireworks!
Let’s be frank: the most exciting part about chemistry is the explosions! A popular demonstration in General Chemistry class is the reaction between Al and Fe2O3, the thermite reaction. It needs a high temperature to get going, but the resulting reaction is so hot...
Optimizing Controlled-Release Fertilizers for Lettuce and Mizuna Grown on the International Space Station
Asmaa Morsi… - Purdue University, Department of Horticulture Abstract Astronaut diets on the International Space Station (ISS) depend on resupplied packaged food. However, missions to Mars of 3 - 5 years will not accommodate re - supply. In addition, many human macro...
Attenuation of Ultraviolet Radiation in Rocks and Minerals: Implications for Mars Science
B. L. Carrier W. J. Abbey L. W. Beegle R. Bhartia Y. Liu… - Advancing Earth and Space Science. 16 September 2019 Abstract The effects of radiation on the survivability of key biosignatures are a driving factor in exploration strategies throughout the solar system....
The Role of Titanium Dioxide (TiO2) in the Production of Perchlorate (ClO4–) from Chlorite (ClO2–) and Chlorate (ClO3–) on Earth and Mars
Dongyu Liu and Samuel P. Kounaves*… - ACS Earth Space Chem. July 12, 2019 Abstract The widespread presence of perchlorate (ClO4–) on Mars has significant implications for the alteration or destruction of indigenous organic compounds that may have been or still be...
The Role of Titanium Dioxide (TiO2) in the Production of Perchlorate (ClO4–) from Chlorite (ClO2–) and Chlorate (ClO3–) on Earth and Mars
Dongyu Liu and Samuel P. Kounaves*… - ACS Earth Space Chem. July 12, 2019 Abstract The widespread presence of perchlorate (ClO4–) on Mars has significant implications for the alteration or destruction of indigenous organic compounds that may have been or still be...
Spectroscopy in Space- Extreme Spectrometer Applications
The recent excitement of space travel by NASA astronauts Robert Behnken and Douglas Hurley allowed us to take our minds off the worldwide pandemic, if just for a moment. It reminds us of the opportunities that space exploration and scientific research offer to help...
University Customer Spotlight: Student Researchers go to Extremes for NASA
We spoke with Josh Sebree, Astrochemistry and Astrobiology Professor at the University of Northern Iowa, who just received a NASA grant to have his undergraduate students aid NASA research. Please enjoy the interview and Professor Sebree's exciting, extreme research!...
Colorimetry of David’s Karmann Ghia and Spitfire Convertibles
While our StellarNet technical sales and support teams continue to work from home, their time saved not needing to commute to our office allows for a variety of fun spectroscopy projects and home hobbies. In this Colorimetry Application Note, David Parrino fixes up...
Spectral Tests for a Good Night’s Rest with Kimberly
Anyone who knows me knows I’m not a morning person. I recently woke up late in the night with my mind momentarily tricked into thinking it was morning by the light creeping in between my drapes. This happens on many-a-night, but this time I had an “a ha!” moment....
Virtual Conference- Tips on How to Choose the Best Spectrometer
Director of Business Development, Jason Pierce, provides tips on how to choose the best spectrometer in this virtual conference and update from StellarNet. Jason provides some insight into the most important factors when considering a spectrometer purchase... 1. Buy...
Measuring the Solar Spectrum with Kim
In this weeks Spectroscopy Feasibility Friday, Kim uses a spectrometer to measure Solar Spectral Irradiance to help her choose the perfect location for her vegetable garden! Included Solar Match Monitor, UVA/B & UVC monitor as well as PAR, PPFD, YPF. Also, great...