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Dear Brian,
The Huygens software team has recently developed a STED deconvolution
option that works extremely well.
Have a look at http://www.svi.nl/STED
I'll be happy to give you off-line more background information why
deconvolution of STED data is so successful.
With kind wishes,
Gitta Hamel
/--
Managing Director Huygens SVI tel: +31 (0)35 642 16 26 fax: +31 (0)35
683 79 71 skype: gittahamel cell: +31(0)618 021272 Visiting address
Laapersveld 63, 1213 VB Hilversum, The Netherlands /
On 08/31/2012 05:22 PM, Brian Northan wrote:
> *****
> To join, leave or search the confocal microscopy listserv, go to:
> http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> *****
>
> On a related note can anybody recommend a paper that explains how to
> calculate the STED PSF?
>
> Is it worth it to deconvolve this type of data? I've heard conflicting reports.
>
> On Fri, Aug 31, 2012 at 9:56 AM, Martin Wessendorf <[log in to unmask]> wrote:
>> *****
>> To join, leave or search the confocal microscopy listserv, go to:
>> http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
>> *****
>>
>> Dear Alan--
>>
>>
>> On 8/31/2012 7:22 AM, Alan Smith wrote:
>>
>>> I understand how the illumination psf is formed in STED using a depletion
>>> beam. However, if the emission is detected is collected in epi-detection,
>>> why is the resolution not determined by the diffraction limit for the
>>> objective.
>>>
>>> As an example, if a single molecule was producing fluorescence, the image
>>> will be an airy disk determined by the NA of the detecting objective and
>>> the
>>> wavelength of light. Despite the fluorescence solely coming from a single
>>> molecule.
>>
>> You're right: with both a single molecule and with STED, you see a
>> diffraction-limited Airy disk on the emission side. However, with STED, you
>> know to a high degree of precision the position of the excitation beam
>> eliciting that Airy disk. Thus, as you scan that small excitation beam over
>> a small structure, you can obtain resolution that's many times better than
>> confocal. In that way, it's similar to near-field super-resolution methods.
>>
>> Hope that helps!
>>
>> Martin Wessendorf
>> --
>> Martin Wessendorf, Ph.D. office: (612) 626-0145
>> Assoc Prof, Dept Neuroscience lab: (612) 624-2991
>> University of Minnesota Preferred FAX: (612) 624-8118
>> 6-145 Jackson Hall, 321 Church St. SE Dept Fax: (612) 626-5009
>> Minneapolis, MN 55455 e-mail: [log in to unmask]
--
Managing Director
Huygens SVI
tel: +31 (0)35 642 16 26
fax: +31 (0)35 683 79 71
skype: gittahamel
cell: +31(0)618 021272
Visiting address
Laapersveld 63,
1213 VB Hilversum,
The Netherlands
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