Team:TU-Delft/FinalApplication

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Band Aid is related to the final application of our project. Specifically, the idea is to use a band aid in which E.coli will be added. By locating the band aid on the wound, the <i>S.aureus</i> should be detected, peptide will be produced and transferred through the band aid to the person.  
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Band Aid is related to the final application of our project. Specifically, the idea is to use a band aid in which <i>E.coli</i> will be added. By locating the band aid on the wound, the <i>S.aureus</i> should be detected, the peptide will be produced and finally it will be pass  through the band aid to the person who infected.  
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Revision as of 14:44, 30 September 2013


BandAid Application

Band Aid is related to the final application of our project. Specifically, the idea is to use a band aid in which E.coli will be added. By locating the band aid on the wound, the S.aureus should be detected, the peptide will be produced and finally it will be pass through the band aid to the person who infected.

Experiments

Aim: To check if it is feasible for the peptides to pass through the selected membranes (Cellulose Nitrate Membrane and PTFE Membrane).

Procedure:
  1. Dissolve the peptides. Signiferin was dissolved in water, in order to dissolve maximim 1M of NH4HCO3 was added in order to gain an end concentration of 5mM.
  2. The peptide solutions were measured, using the nanodrop, and we determined the initial absorbance. Using absorbance A= εcL=εc when L = 1cm [1] the concentration was measured
  3. In order to make diffusion measurable, we folded the membrane like a filter paper and placed it in the peptide solution


  4. Table 1: Cellulose Nitrate Membrane, 0.2μm pore size
    Absorbance(Maximim) Absorbance(Signiferin) Concentration in mM Maximim Concentration in mM Signiferin
    2.83 1.76 1.89 1.18
    t0 2.83 1.76 1.89 1.18
    t10 0.4 0.64 0.26 0.42
    t20 0.93 0.71 0.62 0.47
    t30 1.98 1.46 1.32 0.97
    Table 2: PTFE Membrane, 0.2μm pore size
    Absorbance(Maximim) Absorbance(Signiferin) Concentration in mM Maximim Concentration in mM Signiferin
    2.83 1.76 1.89 1.18
    t0 0 0 0 0
    t10 0 0 0 0
    t20 0 0 0 0
    t30 0 0 0 0
    Table 3: Cellulose Nitrate Membrane, 0.1μm pore size
    Absorbance(Maximim) Absorbance(Signiferin) Concentration in mM Maximim Concentration in mM Signiferin
    0.51 0.74 0.34 0.49
    t1 0 0 0 0
    t2 0.03 0 0.02 0
    t3 0.01 0.08 0.006 0.05
    t20 0.02 _ 0.013 -
    t60 0.16 0.27 0.1 0.18
    t80 0.2 0.44 0.13 0.29
    Table 4: PTFE Membrane, 0.1μm pore size
    Absorbance(Maximim) Absorbance(Signiferin) Concentration in mM Maximim Concentration in mM Signiferin
    0.51 0.74 0.02 0.49
    t1 0 0 0 0
    t2 0 0 0 0
    t3 0 0 0 0
    t20 0 0 0 0
    t60 0 0 0 0
    t80 0 0 0 0

    Graphs
    Conclusions