Synapse Quantification with Puncta Analyzer
Justin T Savage
Abstract
Protocol for installing Puncta Analyzer and using it to analyze synapse images.
Steps
Install Puncta Analyzer
Go to https://github.com/toddstavish/puncta-analyzer and follow the following instructions for installing Puncta Analyzer
Install JDK
Install maven
Fork the puncta analyzer repo
Execute 'mvn compile' in project directory (where the pom.xml is located)
Create a 'PunctaAnalyzer' directory in the your ImageJ plugins directory
Copy all of the class files (bytecode) in target/classes to plugins/PunctaAnalyzer
Running Puncta Analzyer
Z-project images if necessary
Open an image in FIJI and use Ctrl+A to select all or select a specific region of interest
Run Puncta Analyzer using Analyze>Puncta Analyzer
Select Red channel and Green channel boxes to analyze those channels. Also select background subtraction for the red and green channels. Click set results file and save results and select a folder to save to.
Click OK with the default 50 pixel rolling ball radius for subtract background
Threshold the red channel using the slider
Click OK with the default 50 pixel rolling ball radius for subtract background
Threshold the red channel using the slider
Enter any desired restrictions on the analyze particles function such as a minimum pixel size.
Click yes to save result to file
Close all windows and proceed to the next image