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Advanced 13 min read
Differential Staining Techniques
Viewing Bacterial Cells The microscope is a very important tool in microbiology, but there are limitations when it comes to…
Advanced 5 min read
What is a Limitation of Using Electron Microscopes to View Specimens?
How does electron microscopy work? Three main factors underlie the scientific principle of microscopy: magnification, illumination, and resolution. Resolution is perhaps…
Advanced 3 min read
Difference Between AFM and STM
AFM and STM AFM refers to Atomic Force Microscope and STM refers to Scanning Tunneling Microscope. The development of these…
Advanced 24 min read
Atomic Force Microscopy, a Powerful Tool in Microbiology
INTRODUCTION Understanding the functions of microbial cell surfaces requires knowledge of their structural and physical properties. Electron microscopy has long…
Advanced 3 min read
Difference Between Scanning Electron Microscope and Transmission Electron Microscope
The world of the very small first opened itself to the eyes of mankind in 1595 when Zaccharias Janssen invented…
Advanced 3 min read
Difference Between Optical and Electron Microscope
Optical vs. Electron Microscopes Many students are instantly plagued when placed in front of a microscope. How does it operate,…
Advanced 7 min read
SEM and TEM: what’s the difference?
Electron microscopes have emerged as a powerful tool for the characterization of a wide range of materials. Their versatility and…
Advanced 5 min read
Scanning Electron Microscopy (SEM)
What is Scanning Electron Microscopy (SEM) A typical SEM instrument, showing the electron column, sample chamber, EDS detector, electronics console,…
Advanced 4 min read
Transmission Electron Microscope
A Transmission Electron Microscope (TEM) utilizes energetic electrons to provide morphologic, compositional and crystallographic information on samples. At a maximum potential magnification…
Advanced 4 min read
MICROSCOPE IMMERSION OIL EXPLAINED
WHY USE MICROSCOPE IMMERSION OIL? When light passes from a material of one refractive index to another (for example: from…
Advanced 1 min read
Resolving Power
The resolving power of an objective lens is measured by its ability to differentiate two lines or points in an object. The…