Web Results

Staining - Wikipedia


Staining is an auxiliary technique used in microscopy to enhance contrast in the microscopic image. Stains and dyes are frequently used in biology and medicine to highlight structures in biological ...

How do chemical stains make light microscopes more useful


Chemical stains make light microscopes more useful by showing specific structures in a cell..

Light microscopes | Sciencelearn Hub


Feb 29, 2012 ... This article describes the principles of light microscopy and highlights ... scientists have wanted to understand more about the strange and ... This makes them very useful for looking at living things, such as ... Stains interact with a specific part of the sample, turning it a different colour from its surroundings.

Basic Cell Staining - SERC


By using different stains, one can preferentially stain certain cell components, such as a ... visualization of the cell or certain cellular components under a microscope. ... steps, but most fixation procedures involve adding a chemical fixative that creates ... Methylene blue - stains animal cells to make nuclei more visible.

Why is blue Methylene used in the cheek cell lab? | Reference.com


... blue is used to stain animal cells to make nuclei more visible under a microscope. ... Organic Chemistry. Q: ... Cell staining is useful because it enhances visualization of specific ... and making the particular structure more visible under a light microscope. ... Does a liver cell contain the same chromosomes as a cheek cell?

Biology Honors Flashcards


Aug 30, 2010 ... What do Science assume can be discovered through scientific inquiry? ... How do chemical stains make light microscopes more useful?

How to Mount Microscope Slides - Microscope.com


Before you start building your slides, make sure you have everything you will need, including slides, cover slips, droppers or pipets and any chemicals or stains you plan to use. ... They are more expensive and usually used without a cover slip. ... Section mounts are suitable for useful for a wide variety of samples such as ...

Magnification | A Level Notes


Light Microscopes, or Optical Microscopes, as they are more correctly termed, ... Dissecting Microscopes on the other hand have a low final magnification but are useful ... Samples are Stained with coloured stains that bind to certain chemicals or ... to buy and maintain, and preparing the samples requires a lot of skill to do.

BBC Bitesize - KS3 Biology - Cells to systems - Revision 2


... animals and plants. They are so small, you need to use a light microscope to see them. ... Stains like iodine make features such as the nucleus easier to see ...



Jun 18, 2004 ... By using more lenses microscopes can magnify by a larger amount, ... the wavelength of the radiation being used, they do not interrupt the waves, and so are not detected. ... Light microscopy has a resolution of about 200 nm, which is good .... Stains are often needed to make the cells visible, The electron ...

More Info

Tools and Procedures - Henrico


Why do scientists need a common system of measurement? . Researchers need ... How do chemical stains make light microscopes more useful? They can show ...

Looking at the Structure of Cells in the Microscope - Molecular ...


It was not until good light microscopes became available in the early part of the ... of a variety of stains that provided sufficient contrast to make those features visible. Similarly, the introduction of the far more powerful electron microscope in the .... of cells are made for viewing in the light microscope and how chemical stains...



Why do scientists need a common system of measurement? Researchers need ... How do chemical stains make light microscopes more useful? They can show ...