Time-Resolved Fluorescence Wiki

calibrate_the_confocal_volume_for_fcs_using_the_fcs_calibration_script

Anonymous (anonymous@undisclosed.example.com) — 2019-02-07T12:16:52+00:00

2019/02/07 13:13		current
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	Note: Calibration is a necessary task for FCS measurements. In a calibration procedure, the confocal volume VEff as well as the structural parameter κ (the ratio of z to xy extension) is determined using a reference dye. This is the prerequisite to determine correct diffusion coefficients and concentrations for the sample of interest.\\		Note: Calibration is a necessary task for FCS measurements. In a calibration procedure, the confocal volume VEff as well as the structural parameter κ (the ratio of z to xy extension) is determined using a reference dye. This is the prerequisite to determine correct diffusion coefficients and concentrations for the sample of interest.\\
	ATTO488 (ATTO-Tec, Germany) is a suited dye to calibrate the confocal microscope at ~470 – 490 nm excitation and detection around 500 – 540 nm.\\		ATTO488 (ATTO-Tec, Germany) is a suited dye to calibrate the confocal microscope at ~470 – 490 nm excitation and detection around 500 – 540 nm.\\
-	The diffusion coefficient of ATTO488 carboxilic acid has been measured to be 400 µm²/s at 25°C. Published diffusion coefficients of various fluorophores are summarized in the Technical Note "Absolute Diffusion Coefficients: Compilation of Reference Data for FCS Calibration" available from PicoQuant [see [[https://www.picoquant.com/images/uploads/page/files/7353/appnote_diffusioncoefficients.pdf]]]. This list is extensive, but does not claim to be complete.\\	+	The diffusion coefficient of ATTO488 carboxilic acid has been measured to be 400 µm²/s at 25°C. Published diffusion coefficients of various fluorophores are summarized in the Technical Note "Absolute Diffusion Coefficients: Compilation of Reference Data for FCS Calibration" available from PicoQuant (see [[https://www.picoquant.com/images/uploads/page/files/7353/appnote_diffusioncoefficients.pdf]]). This list is extensive, but does not claim to be complete.\\
	Note that the diffusion coefficients of all dyes are temperature dependent.\\		Note that the diffusion coefficients of all dyes are temperature dependent.\\
	FCS measurements are usually point measurements acquired with very sensitive detectors ([[glossary:spad\|SPAD]] or [[glossary:Hybrid PMT]] detectors).\\		FCS measurements are usually point measurements acquired with very sensitive detectors ([[glossary:spad\|SPAD]] or [[glossary:Hybrid PMT]] detectors).\\

burst_duration_and_fcs_diffusion_time

Anonymous (anonymous@undisclosed.example.com) — 2026-01-12T14:58:02+00:00

2026/01/12 15:56		current
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	Gopich, I. V.; Szabo, A. Journal of Chemical Physics 2005, 122, 014707.		Gopich, I. V.; Szabo, A. Journal of Chemical Physics 2005, 122, 014707.

-	Ruttinger, S. Dissertation, 2006.	+	Ruettinger, S. Dissertation, 2006.

-	Dorr, D. Dissertation, 2014.	+	Doerr, D. Dissertation, 2014.

fluorescence_correlation_spectroscopy-_a_short_introduction

Anonymous (anonymous@undisclosed.example.com) — 2024-10-11T08:30:57+00:00

2023/02/17 13:43		current
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	{{tag>MicroTime LSM Theory SymPhoTime FCS Correlation}}		{{tag>MicroTime LSM Theory SymPhoTime FCS Correlation}}

-	~~TOC~~	+

	====== Introduction to Fluorescence Correlation Spectroscopy ======		====== Introduction to Fluorescence Correlation Spectroscopy ======

how_to_measure_the_instrument_response_function_irf

Anonymous (anonymous@undisclosed.example.com) — 2023-09-07T22:55:03+00:00

2023/09/08 00:54		current
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	===== Using samples with ultrafast decay =====		===== Using samples with ultrafast decay =====

-	Some detectors (particularly SPADs) have wavelength dependent timing response. In this case an IRF recorded at the excitation wavelength may not be useful for precise reconvolution. The solution is to acquire the IRF at the fluorescence wavelength, or at least spectrally closer to the fluorescence emission.	+	Some detectors (particularly MPD SPADs) have a wavelength dependent timing response. In this case an IRF recorded at the excitation wavelength may not be useful for precise reconvolution. The solution is to acquire the IRF at the fluorescence wavelength, or at least spectrally closer to the fluorescence emission wavelength.

	==== General recipe ====		==== General recipe ====

calculate_and_fit_fcs_traces_with_the_fcs_script

Anonymous (anonymous@undisclosed.example.com) — 2015-11-03T14:11:17+00:00

2014/06/18 11:22		current
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	* The diffusion coefficient of ATTO488 carboxilic acid has been measured to be 400 µm²/s at 25°C. Published diffusion coefficients of various fluorophores are summarized in the Technical Note "Absolute Diffusion Coefficients: Compilation of Reference Data for FCS Calibration" available from PicoQuant [see http://www.picoquant.com/images/uploads/page/files/7353/appnote_diffusioncoefficients.pdf ]. This list is extensive, but does not claim to be complete.		* The diffusion coefficient of ATTO488 carboxilic acid has been measured to be 400 µm²/s at 25°C. Published diffusion coefficients of various fluorophores are summarized in the Technical Note "Absolute Diffusion Coefficients: Compilation of Reference Data for FCS Calibration" available from PicoQuant [see http://www.picoquant.com/images/uploads/page/files/7353/appnote_diffusioncoefficients.pdf ]. This list is extensive, but does not claim to be complete.
	* Note that the diffusion coefficients of all dyes are temperature dependent.		* Note that the diffusion coefficients of all dyes are temperature dependent.
-	* FCS measurements are usually point measurements acquired with very sensitive detectors (typically SPAD or Hybrid PMT detectors).	+	* FCS measurements are usually point measurements acquired with very sensitive detectors (typically [[glossary:SPAD]] or [[glossary:Hybrid PMT]] detectors).
	* FCS is a technique that can be used over a wide range of concentrations, but ideal FCS concentrations are usually between 1 nM and 20 nM.		* FCS is a technique that can be used over a wide range of concentrations, but ideal FCS concentrations are usually between 1 nM and 20 nM.

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	{{ calculate_and_fit_fcs_traces_with_the_fcs_script_Image_7.png?600 }}		{{ calculate_and_fit_fcs_traces_with_the_fcs_script_Image_7.png?600 }}

-	Note: A possibility to remove the afterpulsing when working with cw excitation is splitting the light onto two detectors and calculate a cross correlation. Some detectors (mainly Hybrid PMTs) also have so low afterpulsing that the problem does not occur.	+	Note: A possibility to remove the afterpulsing when working with cw excitation is splitting the light onto two detectors and calculate a cross correlation. Some detectors (mainly [[glossary:Hybrid PMT]]s) also have so low afterpulsing that the problem does not occur.

	* If the sample has beenexcited with cw light, we would now save the data by clicking "Save Result" and press afterwards "Transfer to Fit" (both in the "File" dropdown panel). As our sample has been excited with a pulsed laser, we can apply one additional step to increase data quality.		* If the sample has beenexcited with cw light, we would now save the data by clicking "Save Result" and press afterwards "Transfer to Fit" (both in the "File" dropdown panel). As our sample has been excited with a pulsed laser, we can apply one additional step to increase data quality.

pattern_matching

Anonymous (anonymous@undisclosed.example.com) — 2014-06-18T13:26:07+00:00

2014/05/23 09:39		current
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	Pattern Matching Analysis by decomposing a recorded image into different user-defined patterns. Display of the calculated data using an RGB false color model. The calculated amplitudes of the first three defined patterns are depicted in three different colors for each pixel.		Pattern Matching Analysis by decomposing a recorded image into different user-defined patterns. Display of the calculated data using an RGB false color model. The calculated amplitudes of the first three defined patterns are depicted in three different colors for each pixel.
		+
		+	{{ youtube>L68IgRbNSLE?large }}

	==== Open an Image ====		==== Open an Image ====

measurement_hardware_instrumentation

Anonymous (anonymous@undisclosed.example.com) — 2018-06-25T07:18:07+00:00

2018/06/25 09:17		current
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	[[video_tutorials#Kurt Thorn: Optical Sectioning and Confocal Microscopy\|Confocal microscoy and optical sectioning by Kurt Thorn]]		[[video_tutorials#Kurt Thorn: Optical Sectioning and Confocal Microscopy\|Confocal microscoy and optical sectioning by Kurt Thorn]]

-	[[technical docs:Beampath of the Zeiss LSM880]]	+	[[Beampath of the Zeiss LSM880]]

	[[howto:check_overlap_of_different_color_confocal_volumes\|How to check the overlap of different color confocal volumes]]		[[howto:check_overlap_of_different_color_confocal_volumes\|How to check the overlap of different color confocal volumes]]

community_news

Anonymous (anonymous@undisclosed.example.com) — 2020-05-04T12:11:21+00:00

2020/04/29 10:35		current
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	* 29.04.20 [[https://www.fret.community/announcement-protein-folding-and-dynamics-webinar/\|Protein folding and dynamics Webinar-Series.]] \\ \\		* 29.04.20 [[https://www.fret.community/announcement-protein-folding-and-dynamics-webinar/\|Protein folding and dynamics Webinar-Series.]] \\ \\
	* 14.04.20 [[https://analyticalscience.wiley.com/do/10.1002/was.00050003/full/bioimagedataanalysis.pdf\|Bioimage Data Analysis.]] New Expanded version of a nice open-source introduction. \\ \\		* 14.04.20 [[https://analyticalscience.wiley.com/do/10.1002/was.00050003/full/bioimagedataanalysis.pdf\|Bioimage Data Analysis.]] New Expanded version of a nice open-source introduction. \\ \\
-	* 14.04.20 [[https://science.sciencemag.org/content/368/6486/78\|De novo design of protein logic gates.]] Fundamendal enzymology work. Chen et al. describe the design of logic gates that can regulate protein association. The gates were built from small, designed proteins that all have a similar structure but where one module can be designed to interact specifically with another module. Using monomers and covalently connected monomers as inputs and encoding specificity through designed hydrogen-bond networks allowed the construction of two-input or three-input gates based on competitive binding. \\ \\	+	* 14.04.20 [[https://science.sciencemag.org/content/368/6486/78\|De novo design of protein logic gates.]] Fundamental enzymology work. Chen et al. describe the design of logic gates that can regulate protein association. The gates were built from small, designed proteins that all have a similar structure but where one module can be designed to interact specifically with another module. Using monomers and covalently connected monomers as inputs and encoding specificity through designed hydrogen-bond networks allowed the construction of two-input or three-input gates based on competitive binding. \\ \\
	* 31.03.20 FRET community has a new advisory board, [[https://www.fret.community/\|FRET community]]. Happy that Dr. Marcelle König , a senior scientist in PicoQuant was elected. \\ \\		* 31.03.20 FRET community has a new advisory board, [[https://www.fret.community/\|FRET community]]. Happy that Dr. Marcelle König , a senior scientist in PicoQuant was elected. \\ \\
	* 31.03.20 Extremely helpful reference paper about confocal microscopy. [[https://www.nature.com/articles/s41596-020-0313-9\|Tutorial: guidance for quantitative confocal microscopy]]. Available as a poster [[https://www.nature.com/articles/s41596-020-0307-7\|here.]] \\ \\		* 31.03.20 Extremely helpful reference paper about confocal microscopy. [[https://www.nature.com/articles/s41596-020-0313-9\|Tutorial: guidance for quantitative confocal microscopy]]. Available as a poster [[https://www.nature.com/articles/s41596-020-0307-7\|here.]] \\ \\

bootstrap

Anonymous (anonymous@undisclosed.example.com) — 2014-01-21T16:41:23+00:00

2014/01/21 17:41		current
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	Specifically, the bootstrap analysis takes a subset of N randomly chosen points out of the experimental data set, which itself consists of N data points. Since the points are chosen randomly, some of the points will be selected more than once; others will not be selected at all. Thus the 'simulated' data set is not identical to the original one, while the statistical properties of the original data set are maintained (since the number of data points remains the same).		Specifically, the bootstrap analysis takes a subset of N randomly chosen points out of the experimental data set, which itself consists of N data points. Since the points are chosen randomly, some of the points will be selected more than once; others will not be selected at all. Thus the 'simulated' data set is not identical to the original one, while the statistical properties of the original data set are maintained (since the number of data points remains the same).
-
-	At PQ the bootstrap method is exclusively used in [[FluoFit]]. For ensemble fitting as in [[FLIM]] it is -alas!- way too slow.
-

	===== Advantages and disadvantages =====		===== Advantages and disadvantages =====

support_plane_analysis

Anonymous (anonymous@undisclosed.example.com) — 2014-01-21T16:46:58+00:00

2014/01/21 17:46		current
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	===== References =====		===== References =====

-	Lakowicz JR (1999)// Principles of Fluorescence Spectroscopy//, 2nd edn. Kluver Academic/Plenum Publishers, New York (available in room C202)*	+	*Lakowicz JR (1999)// Principles of Fluorescence Spectroscopy//, 2nd edn. Kluver Academic/Plenum Publishers, New York

diamond_nv_centers

Anonymous (anonymous@undisclosed.example.com) — 2018-04-19T12:11:55+00:00

2018/04/19 14:11		current
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	see also [[wp>Nitrogen-vacancy center]]		see also [[wp>Nitrogen-vacancy center]]

-	{{ howto:model_nv-centers.png\|Figure1: Model of the nitrogene vacancy in the diamond lattice}}	+	[{{ howto:model_nv-centers.png\|Figure1: Model of the nitrogene vacancy in the diamond lattice}}]

	==== Excitation ====		==== Excitation ====

using_the_antibunching_script

Anonymous (anonymous@undisclosed.example.com) — 2014-06-19T07:40:32+00:00

2014/06/19 09:36		current
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	{{tag> antibunching howto tutorial correlation analysis SymPhoTime}}		{{tag> antibunching howto tutorial correlation analysis SymPhoTime}}
-	~~TOC~~	+	~~NOTOC~~

	====== Antibunching Analysis ======		====== Antibunching Analysis ======
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	This tutorial shows step-by-step, how to calculate an antibunching curve from a fluorescence time trace of a single emitter, in this example a nanodiamond NV center, excited with a pulsed 530 nm laser.		This tutorial shows step-by-step, how to calculate an antibunching curve from a fluorescence time trace of a single emitter, in this example a nanodiamond NV center, excited with a pulsed 530 nm laser.
		+
		+	{{ youtube>bEyhuWnmFC4?large }}

	===== Background Information =====		===== Background Information =====
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	* Here it is impossible to determine the number of emitters. In this measurement the luminescence stems from several emitters.		* Here it is impossible to determine the number of emitters. In this measurement the luminescence stems from several emitters.
-

syntax

Anonymous (anonymous@undisclosed.example.com) — 2026-04-23T08:17:27+00:00

2026/04/23 19:09	current
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	+	Typography: [[DokuWiki]] can convert simple text characters to their typographically correct entities. Here is an example of recognized characters.
	+
	+	-> <- <-> => <= <=> >> << -- --- 640x480 (c) (tm) (r)
	+	"He thought 'It's a man's world'..."
	+
	+	<code>
	+	-> <- <-> => <= <=> >> << -- --- 640x480 (c) (tm) (r)
	+	"He thought 'It's a man's world'..."
	+	</code>
	+
	+	The same can be done to produce any kind of HTML, it just needs to be added to the [[doku>entities\|pattern file]].
	+
	+	There are three exceptions which do not come from that pattern file: multiplication entity (640x480), 'single' and "double quotes". They can be turned off through a [[doku>config:typography\|config option]].
	+
	+	===== Quoting =====
	+
	+	Some times you want to mark some text to show it's a reply or comment. You can use the following syntax:
	+
	+	<code>
	+	I think we should do it
	+
	+	> No we shouldn't
	+
	+	>> Well, I say we should
	+
	+	> Really?
	+
	+	>> Yes!
	+
	+	>>> Then lets do it!
	+	</code>
	+
	+	I think we should do it
	+
	+	> No we shouldn't
	+
	+	>> Well, I say we should
	+
	+	> Really?
	+
	+	>> Yes!
	+
	+	>>> Then lets do it!
	+
	+	===== Tables =====
	+
	+	DokuWiki supports a simple syntax to create tables.
	+
	+	^ Heading 1 ^ Heading 2 ^ Heading 3 ^
	+	\| Row 1 Col 1 \| Row 1 Col 2 \| Row 1 Col 3 \|
	+	\| Row 2 Col 1 \| some colspan (note the double pipe) \|\|
	+	\| Row 3 Col 1 \| Row 3 Col 2 \| Row 3 Col 3 \|
	+
	+	Table rows have to start and end with a ''\|'' for normal rows or a ''^'' for headers.
	+
	+	^ Heading 1 ^ Heading 2 ^ Heading 3 ^
	+	\| Row 1 Col 1 \| Row 1 Col 2 \| Row 1 Col 3 \|
	+	\| Row 2 Col 1 \| some colspan (note the double pipe) \|\|
	+	\| Row 3 Col 1 \| Row 3 Col 2 \| Row 3 Col 3 \|
	+
	+	To connect cells horizontally, just make the next cell completely empty as shown above. Be sure to have always the same amount of cell separators!
	+
	+	Vertical tableheaders are possible, too.
	+
	+	\| ^ Heading 1 ^ Heading 2 ^
	+	^ Heading 3 \| Row 1 Col 2 \| Row 1 Col 3 \|
	+	^ Heading 4 \| no colspan this time \| \|
	+	^ Heading 5 \| Row 2 Col 2 \| Row 2 Col 3 \|
	+
	+	As you can see, it's the cell separator before a cell which decides about the formatting:
	+
	+	\| ^ Heading 1 ^ Heading 2 ^
	+	^ Heading 3 \| Row 1 Col 2 \| Row 1 Col 3 \|
	+	^ Heading 4 \| no colspan this time \| \|
	+	^ Heading 5 \| Row 2 Col 2 \| Row 2 Col 3 \|
	+
	+	You can have rowspans (vertically connected cells) by adding ''%%:::%%'' into the cells below the one to which they should connect.
	+
	+	^ Heading 1 ^ Heading 2 ^ Heading 3 ^
	+	\| Row 1 Col 1 \| this cell spans vertically \| Row 1 Col 3 \|
	+	\| Row 2 Col 1 \| ::: \| Row 2 Col 3 \|
	+	\| Row 3 Col 1 \| ::: \| Row 2 Col 3 \|
	+
	+	Apart from the rowspan syntax those cells should not contain anything else.
	+
	+	^ Heading 1 ^ Heading 2 ^ Heading 3 ^
	+	\| Row 1 Col 1 \| this cell spans vertically \| Row 1 Col 3 \|
	+	\| Row 2 Col 1 \| ::: \| Row 2 Col 3 \|
	+	\| Row 3 Col 1 \| ::: \| Row 2 Col 3 \|
	+
	+	You can align the table contents, too. Just add at least two whitespaces at the opposite end of your text: Add two spaces on the left to align right, two spaces on the right to align left and two spaces at least at both ends for centered text.
	+
	+	^ Table with alignment ^^^
	+	\| right\| center \|left \|
	+	\|left \| right\| center \|
	+	\| xxxxxxxxxxxx \| xxxxxxxxxxxx \| xxxxxxxxxxxx \|
	+
	+	This is how it looks in the source:
	+
	+	^ Table with alignment ^^^
	+	\| right\| center \|left \|
	+	\|left \| right\| center \|
	+	\| xxxxxxxxxxxx \| xxxxxxxxxxxx \| xxxxxxxxxxxx \|
	+
	+	Note: Vertical alignment is not supported.
	+
	+	===== No Formatting =====
	+
	+	If you need to display text exactly like it is typed (without any formatting), enclose the area either with ''%%<nowiki>%%'' tags or even simpler, with double percent signs ''<nowiki>%%</nowiki>''.
	+
	+	<nowiki>
	+	This is some text which contains addresses like this: http://www.splitbrain.org and formatting, but nothing is done with it.
	+	</nowiki>
	+	The same is true for %%//__this__ text// with a smiley ;-)%%.
	+
	+	<nowiki>
	+	This is some text which contains addresses like this: http://www.splitbrain.org and formatting, but nothing is done with it.
	+	</nowiki>
	+	The same is true for %%//__this__ text// with a smiley ;-)%%.
	+
	+	===== Code Blocks =====
	+
	+	You can include code blocks into your documents by either indenting them by at least two spaces (like used for the previous examples) or by using the tags ''%%<code>%%'' or ''%%<file>%%''.
	+
	+	This is text is indented by two spaces.
	+
	+	<code>
	+	This is preformatted code all spaces are preserved: like <-this
	+	</code>
	+
	+	<file>
	+	This is pretty much the same, but you could use it to show that you quoted a file.
	+	</file>
	+
	+	Those blocks were created by this source:
	+
	+	This is text is indented by two spaces.
	+
	+	<code>
	+	This is preformatted code all spaces are preserved: like <-this
	+	</code>
	+
	+	<file>
	+	This is pretty much the same, but you could use it to show that you quoted a file.
	+	</file>
	+
	+	==== Syntax Highlighting ====
	+
	+	[[wiki:DokuWiki]] can highlight sourcecode, which makes it easier to read. It uses the [[http://qbnz.com/highlighter/\|GeSHi]] Generic Syntax Highlighter -- so any language supported by GeSHi is supported. The syntax uses the same code and file blocks described in the previous section, but this time the name of the language syntax to be highlighted is included inside the tag, e.g. ''<nowiki><code java></nowiki>'' or ''<nowiki><file java></nowiki>''.
	+
	+	<code java>
	+	/**
	+	* The HelloWorldApp class implements an application that
	+	* simply displays "Hello World!" to the standard output.
	+	*/
	+	class HelloWorldApp {
	+	public static void main(String[] args) {
	+	System.out.println("Hello World!"); //Display the string.
	+	}
	+	}
	+	</code>
	+
	+	The following language strings are currently recognized: //4cs 6502acme 6502kickass 6502tasm 68000devpac abap actionscript3 actionscript ada aimms algol68 apache applescript apt_sources arm asm asp asymptote autoconf autohotkey autoit avisynth awk bascomavr bash basic4gl batch bf biblatex bibtex blitzbasic bnf boo caddcl cadlisp ceylon cfdg cfm chaiscript chapel cil c_loadrunner clojure c_mac cmake cobol coffeescript c cpp cpp-qt cpp-winapi csharp css cuesheet c_winapi dart dcl dcpu16 dcs delphi diff div dos dot d ecmascript eiffel email epc e erlang euphoria ezt f1 falcon fo fortran freebasic freeswitch fsharp gambas gdb genero genie gettext glsl gml gnuplot go groovy gwbasic haskell haxe hicest hq9plus html html4strict html5 icon idl ini inno intercal io ispfpanel java5 java javascript jcl j jquery julia kixtart klonec klonecpp kotlin latex lb ldif lisp llvm locobasic logtalk lolcode lotusformulas lotusscript lscript lsl2 lua m68k magiksf make mapbasic mathematica matlab mercury metapost mirc mk-61 mmix modula2 modula3 mpasm mxml mysql nagios netrexx newlisp nginx nimrod nsis oberon2 objc objeck ocaml-brief ocaml octave oobas oorexx oracle11 oracle8 oxygene oz parasail parigp pascal pcre perl6 perl per pf phix php-brief php pic16 pike pixelbender pli plsql postgresql postscript povray powerbuilder powershell proftpd progress prolog properties providex purebasic pycon pys60 python qbasic qml q racket rails rbs rebol reg rexx robots roff rpmspec rsplus ruby rust sas sass scala scheme scilab scl sdlbasic smalltalk smarty spark sparql sql sshconfig standardml stonescript swift systemverilog tclegg tcl teraterm texgraph text thinbasic tsql twig typoscript unicon upc urbi uscript vala vbnet vb vbscript vedit verilog vhdl vim visualfoxpro visualprolog whitespace whois winbatch wolfram xbasic xml xojo xorg_conf xpp yaml z80 zxbasic//
	+
	+	There are additional [[doku>syntax_highlighting\|advanced options]] available for syntax highlighting, such as highlighting lines or adding line numbers.
	+
	+	==== Downloadable Code Blocks ====
	+
	+	When you use the ''%%<code>%%'' or ''%%<file>%%'' syntax as above, you might want to make the shown code available for download as well. You can do this by specifying a file name after language code like this:
	+
	+	<code>
	+	<file php myexample.php>
	+	<?php echo "hello world!"; ?>
	+	</file>
	+	</code>
	+
	+	<file php myexample.php>
	+	<?php echo "hello world!"; ?>
	+	</file>
	+
	+	If you don't want any highlighting but want a downloadable file, specify a dash (''-'') as the language code: ''%%<code - myfile.foo>%%''.
	+
	+	===== RSS/ATOM Feed Aggregation =====
	+	[[DokuWiki]] can integrate data from external XML feeds. For parsing the XML feeds, [[http://simplepie.org/\|SimplePie]] is used. All formats understood by SimplePie can be used in DokuWiki as well. You can influence the rendering by multiple additional space separated parameters:
	+
	+	^ Parameter ^ Description ^
	+	\| any number \| will be used as maximum number items to show, defaults to 8 \|
	+	\| reverse \| display the last items in the feed first \|
	+	\| author \| show item authors names \|
	+	\| date \| show item dates \|
	+	\| description\| show the item description. All HTML tags will be stripped \|
	+	\| nosort \| do not sort the items in the feed \|
	+	\| //n//[dhm] \| refresh period, where d=days, h=hours, m=minutes. (e.g. 12h = 12 hours). \|
	+
	+	The refresh period defaults to 4 hours. Any value below 10 minutes will be treated as 10 minutes. [[wiki:DokuWiki]] will generally try to supply a cached version of a page, obviously this is inappropriate when the page contains dynamic external content. The parameter tells [[wiki:DokuWiki]] to re-render the page if it is more than //refresh period// since the page was last rendered.
	+
	+	By default the feed will be sorted by date, newest items first. You can sort it by oldest first using the ''reverse'' parameter, or display the feed as is with ''nosort''.
	+
	+	Example:
	+
	+	{{rss>http://slashdot.org/index.rss 5 author date 1h }}
	+
	+	{{rss>http://slashdot.org/index.rss 5 author date 1h }}
	+
	+
	+	===== Control Macros =====
	+
	+	Some syntax influences how DokuWiki renders a page without creating any output it self. The following control macros are availble:
	+
	+	^ Macro ^ Description \|
	+	\| %%~~NOTOC~~%% \| If this macro is found on the page, no table of contents will be created \|
	+	\| %%~~NOCACHE~~%% \| DokuWiki caches all output by default. Sometimes this might not be wanted (eg. when the %%<php>%% syntax above is used), adding this macro will force DokuWiki to rerender a page on every call \|
	+
	+	===== Syntax Plugins =====
	+
	+	DokuWiki's syntax can be extended by [[doku>plugins\|Plugins]]. How the installed plugins are used is described on their appropriate description pages. The following syntax plugins are available in this particular DokuWiki installation:
	+
	+	~~INFO:syntaxplugins~~

2020/04/29 10:35		current
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	* 29.04.20 [[https://www.fret.community/announcement-protein-folding-and-dynamics-webinar/\|Protein folding and dynamics Webinar-Series.]] \\ \\		* 29.04.20 [[https://www.fret.community/announcement-protein-folding-and-dynamics-webinar/\|Protein folding and dynamics Webinar-Series.]] \\ \\
	* 14.04.20 [[https://analyticalscience.wiley.com/do/10.1002/was.00050003/full/bioimagedataanalysis.pdf\|Bioimage Data Analysis.]] New Expanded version of a nice open-source introduction. \\ \\		* 14.04.20 [[https://analyticalscience.wiley.com/do/10.1002/was.00050003/full/bioimagedataanalysis.pdf\|Bioimage Data Analysis.]] New Expanded version of a nice open-source introduction. \\ \\
-	* 14.04.20 [[https://science.sciencemag.org/content/368/6486/78\|De novo design of protein logic gates.]] Fundamendal enzymology work. Chen et al. describe the design of logic gates that can regulate protein association. The gates were built from small, designed proteins that all have a similar structure but where one module can be designed to interact specifically with another module. Using monomers and covalently connected monomers as inputs and encoding specificity through designed hydrogen-bond networks allowed the construction of two-input or three-input gates based on competitive binding. \\ \\	+	* 14.04.20 [[https://science.sciencemag.org/content/368/6486/78\|De novo design of protein logic gates.]] Fundamental enzymology work. Chen et al. describe the design of logic gates that can regulate protein association. The gates were built from small, designed proteins that all have a similar structure but where one module can be designed to interact specifically with another module. Using monomers and covalently connected monomers as inputs and encoding specificity through designed hydrogen-bond networks allowed the construction of two-input or three-input gates based on competitive binding. \\ \\
	* 31.03.20 FRET community has a new advisory board, [[https://www.fret.community/\|FRET community]]. Happy that Dr. Marcelle König , a senior scientist in PicoQuant was elected. \\ \\		* 31.03.20 FRET community has a new advisory board, [[https://www.fret.community/\|FRET community]]. Happy that Dr. Marcelle König , a senior scientist in PicoQuant was elected. \\ \\
	* 31.03.20 Extremely helpful reference paper about confocal microscopy. [[https://www.nature.com/articles/s41596-020-0313-9\|Tutorial: guidance for quantitative confocal microscopy]]. Available as a poster [[https://www.nature.com/articles/s41596-020-0307-7\|here.]] \\ \\		* 31.03.20 Extremely helpful reference paper about confocal microscopy. [[https://www.nature.com/articles/s41596-020-0313-9\|Tutorial: guidance for quantitative confocal microscopy]]. Available as a poster [[https://www.nature.com/articles/s41596-020-0307-7\|here.]] \\ \\