CONFOCALMICROSCOPY Archives

August 2010

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Subject:
From:
"Clements, Ian" <[log in to unmask]>
Reply To:
Confocal Microscopy List <[log in to unmask]>
Date:
Mon, 9 Aug 2010 13:42:14 -0700
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Dear Olga,
Re:  Why do all cells seems to crawl very quickly to one direction making it practically impossible to monitor during few hours.

DeltaVision software has a Cell Tracking Feature designed to answer this problem. The Cell Tracking function will move the stage and follow cells as they move during time-lapse experiments. The Cell Tracking feature is easy to set up and can follow even fast moving cells.

Kathryn Buchanan, Ph.D
DeltaVision Product Manager
Applied Precision, Inc.


-----Original Message-----
From: Olga Makarova [mailto:[log in to unmask]]
Sent: Monday, August 09, 2010 9:48 AM
To: [log in to unmask]
Subject: Re: DeltaVision, mitosis, EYFP-tagged protein

Hi all,

This is some additional questions about live cell image.
Which live cells dye is better Hoechst 33342 or AMCA? Which one  does effect mitosis the least.
Why do all cells seems to crawl very quickly to one direction making it practically impossible to monitor during few hours.

Thank you,

Olga

Olga Makarova, PhD
Research Specialist
5323 MSRB III


>>> Olga Makarova <[log in to unmask]> 8/6/2010 2:10 PM >>>
Hi everybody,

I am trying to use DeltaVision environmental chamber 40X, time lapse  to figure out localization of my  EYFR-tagged protein. I did it once.
When I  fixed cells , endogenous protein predominantly  is in the nucleus and also in cytoplasm, but sometimes only in cytoplasm.
EGFP-tagged also shows the same pattern. I thought that transition could depend on stage of cells, particularly mitosis.
I am going to include DIC imaging. I also want to add DNA dye for the living cells. What would be the best choice? Or are there any other dyes to track different stages of cells?
I am using transiently transfected HPV epithelial cells which divided once in 4 days. Probably I need some synchronization before or after transfection. What  would be a better choice.
Also I found that media evaporated rather quickly in the chamber making media ingredients more concentrated. Any advice regarding that issue?
Thank you very much for any advise.

Olga



Olga Makarova, PhD
Research Specialist
5323 MSRB III


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