Recently Created Projects


Fluorophore excitation and emission spectra

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The following Igor pxp file includes a panel for plotting the excitation and emission spectra of various fluorophores, including fluorescent chemicals (e.g., FM 1-43) or genetically encoded molecules (e.g., GFP). Includes the ability to overlay filter cube information (currently just FITC/EGFP and TRITC).

Spectra are from Chroma.

Multiple folder chooser

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Allows user to select multiple folders from a standard OS X file chooser dialog. Returns a string list with the HFS representation of the selected folders.

Lumencor light driver Panel

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Lumencor Panel

The following procedure creates a small, simple panel for controlling a Lumencor light driver:

This was created primarily to use with OS X as the company does not provide software for controlling the light source from a Mac.
Including the procedure during compile adds an item called "Lumencor" in the /Macros menu item.

The FTDI USB to Serial driver must be installed on the machine:
The VDT2.xop procedure must be activated.

Projecto de mobilidade

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Projecto de mobilidade

Ellis 2: Complex curve fitting for one independent variable

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Ellis is a curve-fitting package exclusively for fitting complex functions of one independent variable. It has been used extensively in the optimization of electrochemical impedance models including simple Randles cells, Warburg diffusion elements, as well as more complicated models such as transmission lines and the point defect model of passivity.

A library of common impedance circuits are included as well as a nicely-commented template for writing your own.

View a 91-second quickstart video here:

Calculator XOP

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The Calculator XOP defines one operation named "Calc".
This operation allows to use Igor as a simple calculator while being able to resuse the last computed value.


•Calc 1+2
•Calc ans^2
•Calc ans+10 - 4
•Calc ans^2
•Calc exp(0.004) * pi^2 / ans

The output of the calculation is stored in a variable named "ans" in the root folder. This variable, together with other global variables or waves, can be used in future numerical expressions.

Universal File Loader

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The Universal File Loader package loads "universal" files into Igor.

The "universal" file format was created by Structural Dynamics Research Corporation in the 1960's and has been extended many times. It is used by the experimental dynamics (vibration and acoustic) community.

A general discussion of the format can be found here.

Automated Cell Tracker

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This program will automatically track a user defined object (cells) through a stack of images and output the X and Y pixel coordinates of the object, as well as the distance moved and velocity for each frame of the movie. Two zip files are provided (click "View all releases" to see and download them both). The zip file "Automated Cell tracker" contains three files: Cell Tracker.pxp, CTIPN.ipf and Cell Tracker Instructions.ihf. Before you open the .pxp file, place the .ipf file under the User Procedures file folder and the .ihf file under the Igor Help Files folder.

LaTeX Pictures

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PNG (PDF on Mac) LaTeX with Palettes

LaTeX Pictures
Version 2.2
March 26, 2012


The LaTeX Pictures.ipf and LaTeX Palettes.ipf procedure files implement a user interface for creating high-quality typeset mathematical equations using the LaTeX markup language.

Igor 6.20 or later is required. No installation of any LaTex-related software is required, but an active and working internet connection is. If your copy of Igor can open this url, your internet connection should be fine:

Print FetchURL("")[0,60]

Size Distribution Fitting (lognormal) - Wdie-Range Particle Sizer (WPS) Data Processing

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This igor procedure is to handle the airborne particle size distribution data measured using Wdie-Range Particle Sizer (WPS), since the original software provided along with the instrument is not very user-friendly.

Starting with a neatly organized panel, all functions are simple and straightforward:
- Load raw data with a single click;
- Automatically obtain major parameters (RH, temperature) and calculate the hourly average; (daily or monthly average will be added in future release)
- Graphing (size distribution, color-coded by number conc.);

Expt Procedures

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Template with an experiment file and several procedure files to help simplify data acquisition and management in Igor Pro. Includes generic data-taking routines, a convention for identifying data with unique serial numbers, procedure files to simplify data acquisition (see "DAQ Procedures" Project*) with GPIB, NIDAQ, serial port, and VISA, and procedure files to work with a few common SRS lockin amplifiers and Tektronix oscilloscopes. Each file contains its own documentation, and the experiment file contains a "GettingStarted" notebook.

DAQ Procedures

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Procedure files to help simplify data acquisition (DAQ) in Igor Pro. Includes separate files for GPIB, NIDAQmx, traditional NIDAQ, serial port, and VISA. Each file contains its own documentation.

User Function Profiling

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The procedure file in this project will be in the WaveMetrics Procedures folder in 6.23 and provides a means of finding the bottlenecks in your user Function code. Until 6.23 is released, if you currently have a version of 6.20, you can try it out by downloading the most recent build of Igor here:

For this beta5 release, the Igor from the above page needs to be from a build date of Tue, 13 Dec 2011 or later.

Ocean Optics XOP

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This XOP allows you to control and acquire data from Ocean Optics spectrometers.

We use it to acquire spectra from a USB2000+ spectrometer, but I believe that it should work for other spectrometers as well.

The download includes binaries and source code, and instructions on how to use the software.


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Neutron and X-ray reflectivity analysis package:

  • Use Parratt formalism
  • Simple and easy to use
  • Provide a number of functions for roughness
  • Installation:

  • Option1: Download anywhere on your computer and open_file/procedure from 'File' menu in IgorPro.
  • Option2: Download and copy it into Igor Procedures folder in IgorPro. It will shows up in the menu.
  • Note: if it complains about FONT, select your favorite font and apply it to all experiments. And new users might want to turn ON Tips from the Graph menu.
  • Downloads:

    Chemical Bonding Curves Demo

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    This demonstration experiment shows the shapes of curves for potential energy and force for seven expressions commonly used in chemical bonding. They include ionic, Born-Mayer, Mie, Morse, Buckingham, Lennard-Jones 6-12, and Hooke's Law. The potential is in a dimensionless form of U/Uo versus distance as r/ro, where Uo is the potential at equilibrium distance ro. Force is dimensionless by its maximum value Fmax.



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    Screen Shot 2011-10-03 at 12.48.52.png

    ColorScaleSliders includes a single procedure file that lets you adjust the color scaling of false-color image plots using sliders. By combining smooth adjustments with immediate feedback, this helps you optimize the appearance of false-color plots, and allows you to find fine details.

    ColorScaleSliders also includes a similar slider-driven approach to combining up to three different images into a single RGB image. A potential use could be the visualization of multicolor fluorescence data.

    Kinetic Reaction Demo

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    This package is a demo that was created for a class in chemical kinetics. It illustrates the behavior of a chemical reaction network A <--> I --> P under various settings of rate constants, equilibrium conditions, and temperature.


    Use the checkboxes to turn on / off equilibrium of the first reaction and running the second reaction.

    Use set variable inputs to change pre-factors, activation energies, and reaction enthalpy. Use a slider to set the equilibrium constant or reaction temperature.


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    This provides a control panel to input systematic logbook information in to a notebook, including a header, a graphic (window or picture), notes, and a history reading. It also allows you to execute commands from the note field and capture the history.

    The DEVELOPMENT SNAPSHOP (below) currently contains the latest bug fixes and features

    Localizer - localization microscopy toolkit

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    Screen shot 2011-04-19 at 18.03.06.png

    NOTE: binaries for Localizer can now be downloaded from The source code is available at

    Localizer provides a full package for performing localization and fluctuation analysis in superresolution fluorescence microscopy (PALM, STORM, SOFI, pcSOFI). The package comes in two parts, an XOP that is responsible for performing fast and efficient calculations, and an Igor procedure that provides a graphical front-end.

    The XOP includes operations for a full analysis, including:

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