Talk:20.109(S07): Measuring calcium in vitro

Data summary for T/R lab section

Team Color	equation for standard's best-fit line	R-squared	unknown solution tested	concentration (triplicate), units	average concentration
Red	Absorbance = 0.1254x - 0.0094	R^2 = 0.9995	Unknown Solution 3 (tap water)	[Ca2+] = 0.547, 0.560, 0.558 (mM)	Average = 0.555 mM
Blue	Absorbance = 0.0968x + 0.0591	R^2 = 0.8798	Trypsin	[Ca2+] = 0.282, 0.347, 0.309	Average = 0.313 mM
Purple	Absorbance = .0001[Ca2+] - .01 (unit: uM)	R^2 = .9998	Media	[Ca2+] = 3.890, 2.470, 2.550 (mM)	Average [Ca2+] = 2.970 mM
Yellow	Absorbance = 0.0846[Ca2+] + 0.0385	R^2 = 0.9877	unknown #3	0.0254 mM, 0.0254 mM, 0.0284 mM	Average 0.0264 mM
Green	Absorbance = 0.1002([CaCl2])	R^2 = 0.9644	Embryonic Stem Cell Medium	3.045, 1.906, and 2.076 (mM)	Average [Ca2+] = 2.342 mM
Pink	Absorbance = 0.1304[Ca2+] -0.0076	R^2 = 0.9934	unknown #2	[Ca2+] = 14.6204 mM, 13.2316 mM, 5.177 mM (disregarding last in average)	Average [Ca2+] = 13.926 mM

teacher data

Data summary for W/F lab section

Team Color	equation for standard's best-fit line	R-squared	unknown solution tested	concentration (triplicate), units	average concentration
Red	y = 0.1419x - 0.0076	R2 = 0.9972	ESM	1.9098, 2.4489, 1.7900, mM	2.0496 mM
Blue	ABS = (8*10^-5)[Ca2+] + 0.1633, with [Ca2+] in microM	R^2 = .9665	trypsin	[negative/0]	[negative/0]
Purple
Yellow
Green	ABS=0.1037*(Ca conc. in mM)	R^2=0.9891	media	2.266, 2.011, 2.170 mM	2.149 mM
Pink

W\F Blue Team

W\F Green Team

T/R Blue Team

T/R Purple Team

T/R Yellow Team

T/R Red Team

T/R Pink Team

T/Th Green Team

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