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ReactionKineticsLive Description

Software for education and research, providing extra interactive experience for the user

ReactionKineticsLive visualizes reaction kinetics in a new, easy and exciting way. A simple graphical interface, real-time simulation performance and several unique features result in a powerful tool for educational and scientific applications.
Screenshot of ReactionKineticsLive

Synchronized views
Define the reaction system in a visual way. As you make changes, the rate equations and the reaction kinetics are updated automatically.

Real-time performance
Change a rate constant or initial concentration continuously with the mouse and see the kinetics reshaping in real time.

Animation mode
Watch the reaction kinetics transforming with changing rate constants or initial concentrations.

ReactionKineticsLive offers a handy reaction kinetics viewer, undo/redo, history functions, additional features like constant concentration mode, reaction switches, and a collection of reaction system examples.

Real-time simulations

ReactionKineticsLive utilizes a highly optimized simulation engine that allows you to calculate and display reaction kinetics in real time for many typical reaction systems. This means that if you change a rate constant or initial concentration, the effect can be seen in the kinetics instantly (assuming a 1 GHz processor).
Intuitive visual interface

The reaction system can be defined using visual objects. Double-click to add a substance. Create a first-order chemical reaction by simply connecting two substances using the mouse. Add further reactions or substances to define your reaction system.

The reaction system view

Complex reaction systems can be set up in the same easy way:

A complex reaction mechanism

All parameters (rate constants, initial concentrations, reactant orders, etc.) can be modified directly in the reaction scheme. Reactions can be deactivated and reactivated, substances can be switched to constant concentration mode with only a few clicks.
Synchronized views

As you visually modify the reaction scheme or change a parameter (e.g. reaction order), you can see the rate equations (i.e. rate laws) changing and the reaction kinetics transforming. So you have three synchronized views: the reaction scheme, the equations and the reaction kinetics:

The reaction system view
reaction system view


The rate equations view
equations view


The chemical kinetics view
reaction kinetics view
Continuous parameter exploration

Reaction system and simulation parameters can be modified both numerically and continuously with the mouse. When you click on a parameter a window opens where you can enter a value or change the parameter continuously by moving the mouse over the on-screen touchpad:

Continuous parameter exploration

Continuous parameter editing combined with real-time response enables unique insight into chemical kinetics, i.e. various parameter dependencies. For instance, continuously change the rate constant of a reaction, and see the chemical kinetics reshaping in real time.

Experimenting with parameters (e.g. finding the oscillation conditions for an oscillating reaction system) are best realized with this feature. Additionally, continuous editing can be very impressive in presentations, too: it makes the reaction mechanism come alive!
Animation mode

Choose any reaction system parameter, set the speed, range and type of motion and click Play. The program will display the variation in the reaction kinetics as the parameter changes with time.

Parameter animation window

This feature is best suited for presentations: the animation plays smoothly in the background while the speaker talks.
Kinetics view: one-click speed

Take advantage of the convenient kinetics viewer: The auto-zooming data window ensures that concentrations always remain visible while you are modifying the reaction system or the simulation options. Of course, a fixed data window with manually adjustable axis limits can also be used. Both axes can be switched to linear or logarithmic mode with only one click.

Visualize chemical kinetics

Any of the substance concentrations can be set as the x axis (also with one click). Now, all the other concentrations can be seen simultaneously on the y axis. This multiple phase diagram is very useful for certain types of reaction systems (e.g. oscillating mechanisms). Use "time stripes" to color code time onto the curves: gradients represent the flow of time, the stripes correspond to equal periods in the simulation time course.

Of course, everything changes dynamically as you modify any reaction system parameter or if you are in parameter animation mode.
Additional features

Reaction switches
Any reaction can be activated or deactivated at arbitrary points in the simulation time course. This enables more specialized modeling, for example, the effect of chemical jumps or photoreactions.

Weighted observation
Define a linear combination (i.e. weighted sum) of the substance concentrations and display the kinetics of this quantity or its derivative function. Use this feature to monitor reaction rates or the sum of certain substance concentrations. A more specific application example: model absorption kinetic measurements by specifying the weights in the linear combination as the extinction coefficients.

Factory presets
The program comes with several examples of reaction mechanisms having educational value and scientific significance (e.g. Michaelis-Menten mechanisms, inhibitors, activators, oscillating systems, etc.).

Multi-level undo, redo and history
Don't worry about accidentally deleting substances, reactions or forgetting parameter values. ReactionKineticsLive offers total recall of the whole workspace. In the history window you can go back to earlier states anytime. This is also great for comparing different versions of the reaction system with only one click.

ReactionKineticsLive Limitations

Time trial

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ReactionKineticsLive User Reviews

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