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Simon Dobbs's Shop

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I taught chemistry for 25 years. I now provide tuition online. I just like nicely produced, imaginative resources.

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I taught chemistry for 25 years. I now provide tuition online. I just like nicely produced, imaginative resources.
Science club activity:  detecting glucose in urine.
simondobbssimondobbs

Science club activity: detecting glucose in urine.

(0)
practical involving using benedict’s solution to detect glucose in aqueous samples. Less messy than food tests, and has the clinical biochemistry lab scenario slant. Presentations in powerpoint, keynote and a pdf copy. Hope it is of some use to someone, somewhere.
Bioreactor: label it
simondobbssimondobbs

Bioreactor: label it

(0)
I found a beautiful diagram of a general bioreactor by Yassine Mrabeton onWikipedia. He has given rights for free use if attributed. I turned it into a label it exercise.
Pascal's triangle animation.
simondobbssimondobbs

Pascal's triangle animation.

(0)
I came across a beautiful (copywright-free) animated GIF of the stucture of Pacal’s triangle on Wikepedia . However, it is small and looks terrible when blown up to full screen size because gifs are bitmapped and therefore pixilated. I resolved to replicate it as a vector animation that can be played at any size. I offer this as an html file ( which will open in your browser) , and an mp4 movie. I also exported it as a much larger animated GIF. If you would like it as an animated SVG please contact me via my web site (purely because TES won’t allow me to upload SVG’s)
Gel electrophoresis animation
simondobbssimondobbs

Gel electrophoresis animation

(0)
I made a tiny crazy little animation of agarose gel electrophoresis of DNA fragments. Maybe sudents could provide narration. In the following formats: HTML (double click and it opens in your browser) animated gif MP4 (movie)
SDS polyacrylamide gel electrophoresis
simondobbssimondobbs

SDS polyacrylamide gel electrophoresis

(0)
I made a whacky cartoon so students can see a gel run. I provide it as an MP4 movie, but also as an html page which will open in the browser. The latter will continuopusly loop. Maybe run in the background on an open day? (NB if its too big in your browser, simply zoom out using the browser’s zoom controls.)