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A package for high-throughput measurement of deep eutectic solvents’ melting point using IR bolometry

Project description

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musical-robot

Python module for high-throughput measurement of deep eutectic solvents’ melting point using IR bolometry

Github musical robot image

Introduction

Deep eutectic solvents (DES) are novel solvents that can be easily produced at low-cost for several important applications, such as chemical synthesis, extractions, electrochemistry, and even pharmaceutical drug delivery. The design space for DES is enormous and high throughput measurement of melting points is required to rapidly identify DES with melting points that are feasible for their specific application. High throughput measurement of melting points was made possible through the use of an infrared camera and subsequent image analysis. The melting point of the DES was obtained by recording the temperature profile of the sample as it was heated, and locating the inflection point in the profile that results from an increase in thermal conductivity as the sample melts. The python package developed is able to obtain accurate melting points of multiple samples at once, while only requiring a matter of minutes to perform the physical measurement, and at low-cost. In contrast, standard melting point determination techniques utilize equipment that is orders of magnitude more expensive and can take up to an hour for individual samples.

Installation

  • This package can be pip installed using the following command: pip install musicalrobot

Usage

The python package adopts the following two techniques to obtain the temperature profile of the samples and sample holder to determine the melting point of the samples:

  1. Temperature profile through edge detection
  • This method can be used for images(video frames) with high contrast and minimal noise which will allow for detection of edges of just the samples.
  • The temperature profile of the samples and plate is determined by detecting the edges, filling and labeling them, and monitoring the temperature at their centroids.
  • This technique can be adapted by using the functions input_file and centroid_temp from the musicalrobot.edge_detection module to load the recorded video and obtain the temperature profile of the samples and sample holder.
  1. Temperature profile through pixel value analysis.
  • This is an alternative technique for low contrast images(video frames). In some situations, the contrast between the image and sample maybe too low for edge detection, even with contrast enhancement.
  • Alternatively, centroid location for each sample can be found by summing pixel values over individual rows and columns of the sample holder(well plate).
  • This technique can be adapted by using the functions input_file and pixel_temp from the musicalrobot.pixel_analysis module to load the recorded video and obtain the temperature profile of the samples and sample holder.

An example of adapting both the above mentioned techniques using the musicalrobot module can be found in the ipython notebook Tutorial.ipynb found in the examples folder.

For Development

  • Install python version 3.6
  • Clone the repository on your machine using git clone https://github.com/pozzocapstone/musical-robot.git . This will create a copy of this repository on your machine.
  • Go to the repository folder using cd musical-robot.
  • Install the python dependencies by using pip install -r requirements.txt

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