Microscope Articles

Posted by Fred Koenig on Mar 1st 2021

Isopropyl Alcohol - Is 70% better than 99% Strength?

What is Isopropyl Alcohol (IPA)? Isopropyl alcohol (2-propanol), also known as isopropanol or IPA, has been used for years as a universal cleaner for everything from hospitals to electronic d …

Posted by Fred Koenig on Jan 24th 2021

Hand Sanitizer Effectiveness and Best Formulas for Killing Viruses

Regular handwashing with soap and water can help you avoid sickness. Handwashing is recommended by the Center for Disease Control (CDC) as a strategy to reduce germs and decrease …

Posted by Fred Koenig on Jan 23rd 2021

Bubbles In Hand Sanitizer - Is it Normal?

If you look closely at your bottle of hand sanitizer you will notice hundreds of little bubbles floating around in there. You may wonder, do the tiny bubbles you see floating around in your ha …

Posted by Fred Koenig on Dec 16th 2020

Fluorescence Microscopy - Explanation and Labelled Images

How Does Fluorescence Microscopy Work? A fluorescence microscope works by combining the magnifying properties of the light microscope with fluorescence emitting properties of compounds. Fluo …

Posted by Fred Koenig on Dec 15th 2020

Immunofluorescence - Types, Techniques, and Limitations

What is immunofluorescence? Immunofluorescence is one of the techniques used within light microscopy, especially on microbiological samples. It uses a fluorescence microscope to observ …

Posted by Fred Koenig on Dec 15th 2020

Widefield Fluorescence Microscopy and Fluorophores Explained

What is Widefield Fluorescence Microscopy? In widefield fluorescence microscopy, the entire sample is illuminated with a specific wavelength of light. The fluorescent molecules are excited an …

Posted by Fred Koenig on Dec 15th 2020

Total Internal Reflection Fluorescence (TIRF) Microscopy

What is Total Internal Reflection Fluorescence (TIRF) and How Does it Work? Total Internal Reflection Fluorescence (TIRF) uses evanescent waves to illuminate and excite selected fluorophores …

Posted by Fred Koenig on Dec 15th 2020

Fluorescence Microscopy vs. Light Microscopy

Fluorescence microscopy and light microscopy are specific imaging techniques used to observe cells or cellular components. Each of them has its situational strengths and weaknesses – areas in …

Posted by Fred Koenig on Dec 15th 2020

History of Fluorescence in Microscopy

Fredrick W. Herschel discovered fluorescence in 1845. He observed that UV light can excite quinine solution, resulting in the emission of blue light. Sir George G. Stokes built upon this obser …

Posted by Fred Koenig on Nov 22nd 2020

Compound Microscopes vs Stereo Microscopes - How Do They Compare?

Similarities between Stereo and Compound MicroscopesMagnification Similarities Both stereo microscopes and compound microscopes are used to examine very small objects or surfaces by …

Posted by Fred Koenig on Nov 20th 2020

Types of Microscopes

Microscopes come in a variety of sizes, styles and types in order to suit all of the many uses we have for them. Different technologies, quality levels, viewing results, and physical setups are r …

Posted by Fred Koenig on Nov 19th 2020

How to Use a Microscope (Properly) - Step by Step

Before You Start Familiarizing Yourself The first step is to go over all parts of the microscope and get a good idea of where everything is and what everything does – especially any dials or …