# Documentation on Making new Substances

**URL:** <https://discourse.kitware.com/t/documentation-on-making-new-substances/1321>\
**Category:** Pulse Physiology Engine\
**Created:** [July 1, 2024, 5:12am UTC](https://discourse.kitware.com/t/documentation-on-making-new-substances/1321 "2024-07-01T05:12:18Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![abray](https://discourse.kitware.com/user_avatar/discourse.kitware.com/abray/32/12_2.png) [@abray](https://discourse.kitware.com/u/abray)\
**Post date:** [July 1, 2024, 12:50pm UTC](https://discourse.kitware.com/t/documentation-on-making-new-substances/1321/2 "2024-07-01T12:50:52Z")

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These threads could be of interest

> [@Define my own substance](https://discourse.kitware.com/t/define-my-own-substance/1298):
>
> Hi! I’m wondering if I can use the serialize\_from\_file to define a substance in the python SDK of Pulse Physiology Engine, as I didn’t find such a method in the python codes? Many Thanks

> [@Usage of PK parameters](https://discourse.kitware.com/t/usage-of-pk-parameters/1305):
>
> Hi, I’m investigating the Data.xlsx file and wondering where some PK parameters are used. May I ask where the BloodPlasmaRation is used as I cannot find it in any of the equations? And what is logP, and where is it used? Is there any documentation that describes each of the parameters, so I can refer to next time? Thank you so much! Many thanks, Shawn

as well as our [documentation of our drug system](https://pulse.kitware.com/_drugs_methodology.html)

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_[View the full topic](https://discourse.kitware.com/t/documentation-on-making-new-substances/1321)._