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Beam

Beam

(Science: radiobiology) stream of particles or electromagnetic radiation travelling in a single direction.


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Please help me decide which microscope to buy

I'm not sure what an inverted microscope is, but if you're looking at unstained cells, some special beam arrangements should be there - phase contrast, dark field, something...

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by Darby
Wed Nov 06, 2013 6:42 pm
 
Forum: General Discussion
Topic: Please help me decide which microscope to buy
Replies: 2
Views: 1672

spindle checkpoint - checkpoint signals

... arrest. Consider the results of a recent experiment in which the unattached kinetochore of a monoattached chromosome was destroyed by a laser beam. It was found in this study that, following destruction of the kinetochore, the cell entered anaphase even though this chromosome was not properly ...

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by Hudson
Tue Mar 15, 2011 6:33 pm
 
Forum: Cell Biology
Topic: spindle checkpoint - checkpoint signals
Replies: 0
Views: 2306

Re: Nanodrop

A nanodrop is a spectrometer which passes a beam of narrow-band (near-monochromatic) light through a droplet of water and measures the intensity of light transmitted through the sample. More traditional spectrophotometers use cuvettes to contain ...

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by jonmoulton
Mon Feb 14, 2011 4:17 pm
 
Forum: Molecular Biology
Topic: Nanodrop
Replies: 3
Views: 9753

Synchrotron microscopes

You are always limited by the vawelength of your beam, so if you had light, no matter, how concentrated it could be, you will always be limited by its vawelength...

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by JackBean
Fri Dec 11, 2009 9:26 am
 
Forum: Cell Biology
Topic: Synchrotron microscopes
Replies: 3
Views: 2405

Synchrotron microscopes

Synchrotron cameras have a more concentrated light beam by using magnetic fields and having it's giant size, meaning that the magnification and detail is much better as opposed to other microscopes.

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by g0ld3n88
Mon Dec 07, 2009 11:13 pm
 
Forum: Cell Biology
Topic: Synchrotron microscopes
Replies: 3
Views: 2405
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