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June 2007

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From:
Glen MacDonald <[log in to unmask]>
Reply To:
Confocal Microscopy List <[log in to unmask]>
Date:
Tue, 5 Jun 2007 12:28:54 -0700
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Search the CONFOCAL archive at
http://listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal

Alan's book is very complementary to the others suggested.  It is an  
excellent introduction of topics and emphasizes the actual practice  
of confocal microscopy over theory - e.g. finding your cells without  
bleaching them, choosing the most appropriate system for a sample, etc.

Glen
On Jun 5, 2007, at 9:55 AM, Julio Vazquez wrote:

> Search the CONFOCAL archive at http://listserv.acsu.buffalo.edu/cgi- 
> bin/wa?S1=confocal
>
> Lorie,
>
> For a general introduction, I really like Douglas B Murphy,  
> Fundamentals of Light Microscopy and Electronic Imaging (Wiley-Liss).
> I suspect (haven't had a chance to read it yet) the book by Alan  
> Hibbs: Confocal Microscopy for Biologists (Springer) should be  
> outstanding, and more focused on confocal microscopy.
>
>
> --
> Julio Vazquez,
> Fred Hutchinson Cancer Research Center
> Seattle, WA 98109-1024
>
>
> [log in to unmask]
> http://www.fhcrc.org/science/shared_resources/imaging/
>
>
>
>
> On Jun 5, 2007, at 9:45 AM, Loralei Dewe wrote:
>
>> Search the CONFOCAL archive at http://listserv.acsu.buffalo.edu/ 
>> cgi-bin/wa?S1=confocal
>> So it sounds like I have more to learn...what books besides the  
>> Pawley book would someone recommend?
>>
>> Cheers,
>> Lorie
>>
>> Live as if you were to die tomorrow.
>> Learn as if you were to live forever. - Gandhi -
>>
>>
>>
>> -----Original Message-----
>> From: Armstrong, Brian
>> To: [log in to unmask]
>> Sent: Tue, 5 Jun 2007 8:29 am
>> Subject: Re: Confocal without lasers
>>
>> Search the CONFOCAL archive at http://listserv.acsu.buffalo.edu/ 
>> cgi-bin/wa?S1=confocal Hi, I would just add to this that the  
>> pinhole must match the objective mag/na in order to be truly  
>> confocal such that = 1 Airy Unit. I believe that Olympus  
>> accomplishes this by providing several disks with different sized  
>> pinholes (if I remember correctly). The classic Yokogawa spinning  
>> disk is optimized for a 100x obj. You should refer to Pawley's  
>> Handbook for a complete explanation, or for a quick explanation  
>> see Wikipedia. Cheers, http://en.wikipedia.org/wiki/ 
>> Confocal_laser_scanning_microscopy Brian D Armstrong PhD Light  
>> Microscopy Core Manager Beckman Research Institute City of Hope  
>> 1450 E Duarte Rd Duarte, CA 91010 626-359-8111 x62872 http:// 
>> www.cityofhope.org/SharedResources/LightMicroscopy -----Original  
>> Message----- From: Confocal Microscopy List  
>> [mailto:[log in to unmask]] On Behalf Of Turan Erdogan  
>> Sent: Tuesday, June 05, 2007 8:19 AM To:  
>> [log in to unmask] Subject: Re: Confocal without lasers  
>> Search the CONFOCAL archive at http://listserv.acsu.buffalo.edu/ 
>> cgi-bin/wa?S1=confocal Dear Loralei: I would add that there is  
>> nothing magical about the laser light, other than that due to its  
>> "brightness" (watts per cm^2 per steradian per unit wavelength),  
>> it is generally easier to focus more watts through a pinhole. But  
>> as long as you can get enough light through the pinhole, even if  
>> it comes from a broadband, less-coherent arc-lamp source, you can  
>> still do excellent confocal imaging. In the case of the Olympus  
>> system, they don't actually use a single pinhole, as in  
>> conventional laser-scanning confocal systems, but rather a disk  
>> with a series of crossed linear apertures, such that when the disk  
>> spins the pattern of light that gets through the disk as a  
>> function of time appears like an array of moving apertures (it is  
>> a variation of the so-called "Nipkow disk" which contains an array  
>> of actual pinholes arranged in a spiral pattern). These sorts of  
>> spinning disk systems make more efficient use of the light than  
>> single-pinhole, laser-scanning confocal systems, and therefore are  
>> able to function quite well even with less-bright, non-laser  
>> sources. Of course if you can get away without using lasers, you  
>> gain the flexibility of having all wavelengths available to you,  
>> plus compactness, less heat, etc., which is why it makes sense to  
>> use a lamp if you can. Hope that helps a little more. Sincerely,  
>> Turan Dr. Turan Erdogan, CTO Semrock, Inc. 3625 Buffalo Road  
>> Rochester, NY 14624 tel: (585) 594-7001 fax: (585) 594-7095  
>> [log in to unmask] www.semrock.com The Standard in Optical Filters  
>> for Biotech & Analytical Instrumentation   More than 100,000 Ion  
>> Beam Sputtered filters delivered - extensive inventory now! ----- 
>> Original Message----- From: Peng Xi [mailto:[log in to unmask]]  
>> Sent: Tuesday, June 05, 2007 11:11 AM To:  
>> [log in to unmask] Subject: Re: Confocal without lasers  
>> Search the CONFOCAL archive at http://listserv.acsu.buffalo.edu/ 
>> cgi-bin/wa?S1=confocal Hi, The core for confocal is: the  
>> excitation source focal spot and the detection focal spot matches  
>> each other via the target focal spot. Then, if you put sample onto  
>> the target spot, the detector detects the energy only from this  
>> spot and rejects adjacent. So the key for excitation is to make a  
>> spot. A laser, is an ideal source to do that. On the other hand,  
>> any pinhole (or a pinhole array) can be a point source. Of course,  
>> you have to match the excitation pinhole(s) to the detection  
>> pinhole(s) via the target pinhole images. In the case of Olympus  
>> Spinning disk, it has an epi-illumination so the excitation and  
>> detection uses the same pinholes and they line up together  
>> automatically. Wish this helps! Peng -- Sincerely, Peng Xi Dantus  
>> Research Group Department of Chemistry Michigan State University  
>> East Lansing, MI 48824 Tel: (517) 355-9715 x319 Email:  
>> [log in to unmask] http://www.msu.edu/~xipeng/ Loralei Dewe  
>> wrote: > Search the CONFOCAL archive at > http:// 
>> listserv.acsu.buffalo.edu/cgi-bin/wa?S1=confocal > Hi All, > > I  
>> may be putting my foot in my mouth but I do not understand how a >  
>> system can be a true confocal without lasers. We just purchased an  
>> > Olympus Spinning Disk system which uses a Mercury lamp and  
>> filters. I > thought it was by virtue of the lasers being able to  
>> penetrate the > tissue and focus on all the layers making a 3-D  
>> image that made a > Confocal but the Olympus rep swears theirs IS  
>> a true confocal. Can > someone explain this to me for my  
>> education? > > Thanks > > Loralei Dewe > > > >  
>> --------------------------------------------------------------------- 
>> - > -- > See what's free at AOL.com > <http://www.aol.com? 
>> ncid=AOLAOF00020000000503>. "EMF " made the following annotations.  
>> --------------------------------------------------------------------- 
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