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Microscopes

microscope, simple

(Science: microscopy) A microscope that has a single converging lens (or a combination of lenses that function optically as a single converging lens). Anton van leeuwenhoek (1632-1723) made good use of the simple microscope to look at the life within a drop of water, and such. The magnifying properties of lenses had been well known in ancient times (for example to the greeks and romans) but it was not until about 1600 that it became possible to make small lenses with the precision needed to make a microscope.


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Meiosis prophase I crossover

... of multiple wound layers (B and C) with a simpler connection material (xx) between them. The connection material is not visible to current microscopes due to its size compared to the chromosome mass. BBBBBBBxxBBBBBBBxxBBBBBBBxxBBBBBBBxxBBBBBBB CCCCCCCxxCCCCCCCxxCCCCCCCxxCCCCCCCxxCCCCCCC ...

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by gs99
Fri Mar 07, 2014 9:23 pm
 
Forum: Molecular Biology
Topic: Meiosis prophase I crossover
Replies: 0
Views: 2643

Re: Please help me decide which microscope to buy

... to stain the cells anyway and will probably need a fluorescent microscope. A working cell bio lab is likely to have both inverted and traditional microscopes, likely with fluorescent capability in both the inverted and traditional scope. Then there is the confocal...

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by jonmoulton
Wed Nov 06, 2013 8:00 pm
 
Forum: General Discussion
Topic: Please help me decide which microscope to buy
Replies: 2
Views: 1678

Extra Light For Compound Light Microscope ???

... source ? , how will it illuminate the specimen ? , ( explain me everything about this microscope ... ) tell me about dark field , phase contrast microscopes also :) thx in advance .........

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by Kehsibashok
Sun Jul 28, 2013 6:12 am
 
Forum: Cell Biology
Topic: Extra Light For Compound Light Microscope ???
Replies: 1
Views: 1387

Microscope advice for a non-biologist

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by AlanGarden
Mon Apr 29, 2013 10:52 pm
 
Forum: General Discussion
Topic: Microscope advice for a non-biologist
Replies: 3
Views: 2155

Re: My Microscopes Potential in viewing life

Are you mounting the soil samples under a cover slip with a drop of water? That can help, as living protozoa can swim a bit away from soil particles, making them easier to see. Also, some of these critters move fast, so using a solution of methylcellulose and water can help slow them down. These sol...

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by jonmoulton
Thu Sep 27, 2012 4:23 pm
 
Forum: General Discussion
Topic: My Microscopes Potential in viewing life
Replies: 2
Views: 2479
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