12:58 Wed, 8 May ✓ ✓ ⚫ < W7_Practice calculations_worked solutions_Q13-21 Question 15 To determine the MIC of an antibiotic needed to kill a culture of bacteria, a series of dilutions of the antibiotic must be made. You have a stock solution of penicillin of 10 mg/mL. You need 1 mL each of the following concentrations: 4, 2, 1, 0.5, 0.25, 0.125 and 0 mg/mL. Describe how you would prepare these penicillin solutions. 8 ... రా b ៣៣ *85% Q : III = О < ☑ *85% ៣. To determine the MIC of an antibiotic needed to kill a culture of bacteria, a series of dilutions of the antibiotic must be made. You have a stock solution of penicillin of 10 mg/mL. You need 1 mL each of the following concentrations: 4, 2, 1, 0.5, 0.25, 0.125 and 0 mg/mL. Show how you would prepare these. 12:58 Wed, 8 May ☑✔ ⚫ < W7_Practice calculations_worked solutions_Q13-21 Q Tube /Concentration Final Volume Antibiotic Solution Diluent 1. 4 mg/mL 2 mL 0.8 mL of 10mg/mL stock solution 1.2 mL 2. 2 mg/mL 2 mL 3. 1 mg/mL 2 mL 1 mL of 4 mg/mL (Tube 1) 1 mL of 2 mg/mL (Tube 2) 1 mL 1 mL 4. 0.5 mg/mL 2 mL 1 mL of 1 mg/mL (Tube 3) 1 mL 5. 0.25 mg/mL 2 mL 1 mL of 0.5 mg/mL (Tube 4) 1 mL 6. 0.125 mg/mL 2 mL 1 mL of 0.25 mg/mL (Tube 5) 1 mL 7. o mg/mL 1 mL 0 mL (No Antibiotic) 1 mL ... O' b III 6/17 о ✓
12:58 Wed, 8 May ✓ ✓ ⚫ < W7_Practice calculations_worked solutions_Q13-21 Question 15 To determine the MIC of an antibiotic needed to kill a culture of bacteria, a series of dilutions of the antibiotic must be made. You have a stock solution of penicillin of 10 mg/mL. You need 1 mL each of the following concentrations: 4, 2, 1, 0.5, 0.25, 0.125 and 0 mg/mL. Describe how you would prepare these penicillin solutions. 8 ... రా b ៣៣ *85% Q : III = О < ☑ *85% ៣. To determine the MIC of an antibiotic needed to kill a culture of bacteria, a series of dilutions of the antibiotic must be made. You have a stock solution of penicillin of 10 mg/mL. You need 1 mL each of the following concentrations: 4, 2, 1, 0.5, 0.25, 0.125 and 0 mg/mL. Show how you would prepare these. 12:58 Wed, 8 May ☑✔ ⚫ < W7_Practice calculations_worked solutions_Q13-21 Q Tube /Concentration Final Volume Antibiotic Solution Diluent 1. 4 mg/mL 2 mL 0.8 mL of 10mg/mL stock solution 1.2 mL 2. 2 mg/mL 2 mL 3. 1 mg/mL 2 mL 1 mL of 4 mg/mL (Tube 1) 1 mL of 2 mg/mL (Tube 2) 1 mL 1 mL 4. 0.5 mg/mL 2 mL 1 mL of 1 mg/mL (Tube 3) 1 mL 5. 0.25 mg/mL 2 mL 1 mL of 0.5 mg/mL (Tube 4) 1 mL 6. 0.125 mg/mL 2 mL 1 mL of 0.25 mg/mL (Tube 5) 1 mL 7. o mg/mL 1 mL 0 mL (No Antibiotic) 1 mL ... O' b III 6/17 о ✓
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:12:58 Wed, 8 May ✓ ✓ ⚫
< W7_Practice calculations_worked solutions_Q13-21
Question 15
To determine the MIC of an antibiotic needed to kill a culture of bacteria, a series of
dilutions of the antibiotic must be made.
You have a stock solution of penicillin of 10 mg/mL. You need 1 mL each of the
following concentrations:
4, 2, 1, 0.5, 0.25, 0.125 and 0 mg/mL.
Describe how you would prepare these penicillin solutions.
8
...
రా
b
៣៣
*85%
Q
:
III
=
О
<
Transcribed Image Text:☑
*85%
៣.
To determine the MIC of an antibiotic needed to kill a culture of bacteria, a series of
dilutions of the antibiotic must be made. You have a stock solution of penicillin of 10
mg/mL. You need 1 mL each of the following concentrations:
4, 2, 1, 0.5, 0.25, 0.125 and 0 mg/mL. Show how you would prepare these.
12:58 Wed, 8 May ☑✔ ⚫
< W7_Practice calculations_worked solutions_Q13-21
Q
Tube
/Concentration
Final
Volume
Antibiotic Solution
Diluent
1.
4 mg/mL
2 mL
0.8 mL of 10mg/mL stock
solution
1.2 mL
2.
2 mg/mL
2 mL
3.
1 mg/mL
2 mL
1 mL of 4 mg/mL (Tube 1)
1 mL of 2 mg/mL (Tube 2)
1 mL
1 mL
4. 0.5 mg/mL
2 mL
1 mL of 1 mg/mL (Tube 3)
1 mL
5. 0.25 mg/mL
2 mL
1 mL of 0.5 mg/mL (Tube 4)
1 mL
6.
0.125 mg/mL
2 mL
1 mL of 0.25 mg/mL (Tube 5)
1 mL
7.
o mg/mL
1 mL
0 mL (No Antibiotic)
1 mL
...
O'
b
III
6/17
о
✓
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