Category Archives: Stats and Inference

Our new review on fitting cardiac models

Posted on February 28, 2020 by Gary Mirams

A reasonably short post to let you know about our recently published paper in WIREs Systems Biology and Medicine on parameter fitting in cardiac ion channel and action potential models with David Christini. There is an accessible introductory news article … Continue reading →

Posted in Action Potential Models, Experimental Design, Ion Channel Models, Model Development, Stats and Inference, Uncategorized | Tagged , , , , , , , | Leave a comment

Job Available: Statistical inference for mechanistic models

Posted on October 4, 2019 by Gary Mirams

N.B. Applications for this position are now closed. We are offering a 3 year position as a research fellow in statistical inference for mechanistic models. This is offered at either Postdoc or Senior postdoc level (equivalent grade to Assistant Professor) … Continue reading →

Posted in Action Potential Models, Drug action, Experimental Design, Ion Channel Models, Model Development, Numerics, Stats and Inference | Tagged , , , , , , , , , , , , | Leave a comment

Three potassium channel modelling papers

Posted on September 8, 2019 by Gary Mirams

Just a quick note to tell you about our latest batch of papers in the “Heart By Numbers” special issue of Biophysical Journal which arose from a meeting in Berlin last year. They are all about IKr, the rapid-delayed rectifying … Continue reading →

Posted in Experimental Design, Future developments, Ion Channel Models, Model Development, Numerics, Stats and Inference | Tagged , , , , , , , , , , , | 2 Comments

Job Available: Research Software Engineer

Posted on February 11, 2019 by Gary Mirams

Edit: please note the deadline for applications has now passed. Here’s a great opportunity to join our team at the University of Nottingham on a 5 year Research Software Engineering (RSE) position: https://www.nottingham.ac.uk/jobs/currentvacancies/ref/IS046219 The deadline for applications is 3rd March … Continue reading →

Posted in Action Potential Models, Drug action, Future developments, Ion Channel Models, Model Development, Numerics, Safety Pharmacology, Stats and Inference | Tagged , , , , , , , , | Leave a comment

Postdoctoral Research Positions Available

Posted on December 15, 2018 by Gary Mirams

N.B. 16th Jan 2019 – the applications for these positions are now closed. This post is to let people know about some opportunities for postdoctoral research here in the Centre for Mathematical Medicine & Biology, based in Mathematical Sciences, University … Continue reading →

Posted in Action Potential Models, Drug action, Experimental Design, Future developments, Ion Channel Models, Model Development, Safety Pharmacology, Stats and Inference | Tagged , , , , | 1 Comment

Numerical errors from ODE solvers can mess up optimisation and inference very easily

Posted on October 17, 2018 by Gary Mirams

(Subtitle: “when you’ve got a lot of data points!”) This post is for people interested in doing optimisation or inference with Differential Equation (DE) models. If you are a statistician, you might be used to treating model simulators as black … Continue reading →

Posted in Action Potential Models, Numerics, Stats and Inference | Tagged , , , , , , , | 7 Comments

Short and rich voltage-clamp protocols

Posted on May 2, 2018 by Gary Mirams

This is a quick post to tell you all about Kylie’s new paper on sinusoidal-wave based voltage clamp protocols that has been published in the Journal of Physiology, and there’s an associated commentary from Ele Grandi. In the paper, some … Continue reading →

Posted in Experimental Design, Future developments, Ion Channel Models, Model Development, Stats and Inference | Tagged , , , , , , , , , , , , | 7 Comments

Postdoc position available

Posted on September 4, 2017 by Gary Mirams

N.B. This position is now closed. Another short post, just to advertise a postdoctoral research associate (PDRA) position available to work with me. It’s a two year position, based at the Centre for Mathematical Medicine & Biology at the University … Continue reading →

Posted in Drug action, Experimental Design, Future developments, Ion Channel Models, Model Development, Safety Pharmacology, Stats and Inference | Tagged , , | Leave a comment

Uncertainty quantification for ion channel screening and risk prediction

Posted on November 23, 2016 by Gary Mirams

This post accompanies our new paper in Wellcome Open Research. Regular readers of this blog will know that I worry about uncertainty in the numbers we are using to model drug action on electrophysiology quite a lot – see our … Continue reading →

Posted in Drug action, Model Development, Safety Pharmacology, Stats and Inference | Tagged , , , , , , , , , | 4 Comments

Should I work with IC50s or pIC50s?

Posted on June 13, 2016 by Gary Mirams

When you are expressing how much a drug inhibits something, it’s common to fit a Hill curve through a graph of concentration against % inhibition as shown here: In our case this is often ‘% inhibition’ for a given ionic … Continue reading →

Posted in Drug action, Safety Pharmacology, Stats and Inference | Tagged , , , , , , , , , , , , | 1 Comment