BACTERIA TESTING
Microbiology Department
Brigham Young University
775 WIDB
P.O. Box 25253
Provo, Utah 84602-5253
June 18, 1999
TO:
American Silver, LLC
From:
David Revelli
Brigham Young University
We
have tested and compared the activity of American Silver's ASAP solution
against three commercial colloidal silver solutions using the Minimum
Inhibitory Concentration test (MIC) and the Minimum Bactericidal Concentration
(MBC) test. The data obtained suggests that American Silver's ASAP solution is
at least two to three times more effective depending on the bacteria tested
than the commercial colloidal silver products tested.
David
A. Revelli
Microbiologist
Brigham
Young University
ASAP
SILVER SOLUTION versus
Antibiotics
University Study:
To:
American Silver, LLC (American Biotech Labs)
Microbiology Department
From: David Revelli
Brigham Young University
Brigham Young University
775 WIDB
October 15, 1999
P.O. Box 25253
Provo, Utah 84602-5253
This
page contains data from seven strains of potentially pathogenic bacteria. As
the data suggests, the ASAP Silver
Solution has a greater ability on average to kill the bacteria tested than
four of the five antibiotics to which it was compared. Each antibiotic has
its own niche to fill, but not one of the antibiotics tested work equally well
on every bacterial strain that it was tested against, ASAP Silver Solution had similar results for each bacteria - it
was able to kill each bacteria tested. Furthermore,
there are antibiotic-resistant strains that may or may not succumb to a given
antibiotic. This is where the ASAP
Silver Solution data comes in-although ASAP Silver Solution may not have
inhibited a strain of bacteria at a lower concentration than a given
antibiotic, it inhibited every strain of bacteria tested, which is more than
can be suggested for some of the other antibiotics, given the data.
Minimum
Inhibitory Concentration of Antibiotics from Five Different Classes versus
ASAP Silver
Solution:
Performed by David A.
Revelli, Brigham Young University
Bacteria Tested |
Antibiotic Tetra- |
Antibiotic |
Antibiotic penicillin |
Antibiotic cefapera- |
Antibiotic erythro- |
ASAP
Silver
Solution |
E. |
1.67+-0.59/ |
0.104+- |
No Inh/ |
.625/ |
5/ |
2.5/ |
E. |
2.5/Killed@ >5ppm |
0.078/ |
No Inh/ |
2.92+-1.56/ |
No Inh/ |
2.5/ |
E. |
1.67+-0.59/ |
.156-.156/3 |
No Inh/ |
No Inh/ |
No Inh/ |
2.5/ |
E.
typhi- |
1.25/Killed@ |
0.078/ |
No Inh/ |
1.25/ |
5/ |
2.5/ |
P.
aerug- |
0.078/ |
0.156/ |
0.130+- |
2.5/ |
2.5/ |
1.7+-0.7/ |
S. gordonii |
0.156/ |
2.5/ |
0.012+- |
1.25/ |
0.005/ |
2.5/ |
S. aureus |
0.313/ |
0.313+- |
2.5/Killed@ |
5/Killed@ |
0.039/ |
5/ |
The average was taken from all data points to obtain the average minimum inhibitory concentration for an antibiotic. Then a standard deviation was determined to give an error. All concentrations were calculated in parts per million (ug/ml). The abbreviation "no inh," stands for "No inhibition of growth." And ">" means that the measurement of the bactericidal concentration was beyond the limits of the test. Information is listed as "MIC (level at which bacteria was inhibited)/MBC (level at which bacteria were killed)/number of tests performed.
David
A. Revelli
Dr. Ron W. Leavitt, Ph.D.
Microbiologist
Professor of Microbiology/Molecular Biology
Brigham Young University
Brigham Young University
- - - - - - - - - -
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