User:Dhea Patel/Notebook/Hemoglobin Project/2013/01/30

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Objective

  • To run UV-vis and Fluorescence on 0.0058g Myoglobin + 0.4961g KCl in 20mL 0.01M pH 3 citrate buffer (evaporated) in various organic solvents.

Description

  1. 10.6mg of the solid (0.0058g Myoglobin + 0.4961g KCl in 20mL 0.01M pH 3 citrate buffer (evaporated)) was added to 1 mL of MeOH.
  2. 11.0mg of the solid was added to 1mL of Acetone
  3. 11.1mg of the solid was added to 1mL Acetonitrile
  4. 11.3mg of the solid was added to 1mL Ethyl Acetate
  5. 11.3mg of the solid was added to 1mL water
  6. 11.4mg of the solid was added to 1mL chloroform
  • all the samples were vortexed and centrifuged before being measured
  • Centrifuge settings were as follows:
    • 13200rpm
    • 0:16 seconds
    • 851 rotor
  • each solvent was used as a blank.
  • The data was corrected for the blank and a corrected baseline.
  • UV-vis scanned from 200-800nm
  • Fluorescence was run with an emission scan of 310-500nm and excitation at 290nm. The emission and excitation slits were 10.0nm, and the scan speed (nm/min) was 100.

Data

  • UV-vis of solid in MeOH

UV-vis of 11.6mg Citrate Solid in 1mL MeOH.png

  • Fluorescence of solid in MeOH

[[]]

  • UV-vis of solid in Acetone

UV-vis of 10.9mg CitrateB Solid in 1mL Acetone.png

  • Fluorescence of solid in Acetone

[[]]

  • UV-vis of solid in Acetonitrile

UV-vis of 10.1mg CitrateB Solid in 1mL Acetonitrile.png

  • Fluorescence of solid in Acetonitrile

[[]]

  • UV-vis of solid in Ethyl Acetate

UV-vis of 10.5mg CitrateB Solid in 1mL Ethyl Acetate.png

  • Fluorescence of solid in Ethyl Acetate

[[]]

  • UV-vis of solid in Water

UV-vis of 10.5mg CitrateB Solid in 1mL Water.png

  • Fluorescence of solid in Water

[[]]

  • UV-vis of solid in Chloroform

UV-vis of 10.0mg CitrateB Solid in 1mL Chloroform.png

  • Fluorescence of solid in Chloroform

[[]]