Date: Thu Aug 26 18:37:33 1999
Posted By: Phyllis Pugh, Post-doc/Fellow, Neurobiology, Medical College of Ohio
Area of science: General Biology
Yours is a good question, and it shows that you want to go "beyond" what is given
to you. I congratulate you on that.
Now to your question: yes, you certainly can test things other than what
the kit contains. I suspect, with the list of things you presented, that
your kit comes with a set of powders that you mix up in water and apply to
the plants at various times. You can do the same type of thing with the
different types of pain relievers you mentioned.
A couple things to think about as you plan your experiment:
I hope that helps you get started on your project. Good luck.
- It's important to note that not all of those drugs you mentioned are
aspirin, which means a particular type of drug (acetylsalicylic acid). Some
of the drugs above are acetaminophen and others are ibuprofen. That is
something for which you must control in your experiment. You can learn a
little more about the differences in this article.
- You have to come up with some way to standardize the dose that you give
them. Take a look at how the kit does it for what they have done. Some
ideas would be to use 1 dose in a set amount of liquid, a set weight per
amount of liquid, a set amount of the active ingredient (usually listed on
the label) per amount of liquid. Then you have to be sure that you give the
equivalent test amounts to the plants.
- Another option would be to do what we call a "concentration curve"; and give
differing amounts of the same substance (from a low
concentration to a high one) and see what that does. You could do it for
anything that has a reaction in the second example.
- Remember, you can only change 1 variable at a time!
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