Cephradine – 30 μg Antibiotic Disc – Bioanalyse
৳ 350৳ 380 (-8%)
In stock
Brand: Bioanalyse
Origin: Turkey
Use: Vitro Diagnostic Use Only
Number Of Disk: 50
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Cephradine – 30 μg Antibiotic Disc – Bioanalyse
The Cephradine – 30 μg Antibiotic Disc – Bioanalyse is a paper disc impregnated with 30 micrograms of cephradine, a first-generation cephalosporin antibiotic. It is used in the disc diffusion method of antimicrobial susceptibility testing to determine the susceptibility of bacteria to cephradine.
The disc diffusion method is a simple and inexpensive method for testing the susceptibility of bacteria to antibiotics. It is based on the principle that bacteria that are susceptible to an antibiotic will not be able to grow near the disc containing the antibiotic.
To perform the disc diffusion test, a bacterial suspension is spread on the surface of an agar plate. Antibiotic discs are then placed on the surface of the agar plate. The plates are incubated for 16-24 hours, and then the zones of inhibition around the discs are measured. The size of the zone of inhibition is proportional to the susceptibility of the bacteria to the antibiotic.
The Cephradine – 30 μg Antibiotic Disc – Bioanalyse is a valuable tool for the diagnosis and treatment of bacterial infections. It can be used to identify bacteria that are susceptible to cephradine, and to determine the optimal dose of cephradine to use for treatment.
How to use the Cephradine – 30 μg Antibiotic Disc – Bioanalyse:
- Prepare a bacterial suspension by inoculating a loopful of bacteria into a tube of broth.
- Incubate the broth tube at 37 degrees Celsius for 2-4 hours, or until the bacteria are in the logarithmic phase of growth.
- Dilute the bacterial suspension to a turbidity of 0.5 McFarland standard.
- Spread the bacterial suspension on the surface of an agar plate.
- Place the Cephradine – 30 μg Antibiotic Disc on the surface of the agar plate.
- Incubate the plate at 37 degrees Celsius for 16-24 hours.
- Measure the diameter of the zone of inhibition around the disc.
- Interpret the results using the clinical breakpoints for cephradine.
Interpretation of results:
| Zone of inhibition | Interpretation | |—|—|—| | ≥ 23 mm | Susceptible | | 17-22 mm | Intermediate | | < 17 mm | Resistant |
It is important to note that the disc diffusion method is only a semi-quantitative method for testing the susceptibility of bacteria to antibiotics. For more accurate results, other methods such as broth microdilution or agar dilution should be used.
The Cephradine – 30 μg Antibiotic Disc – Bioanalyse is a valuable tool for the diagnosis and treatment of a wide range of bacterial infections, including:
- Skin and soft tissue infections
- Pneumonia
- Urinary tract infections
- Gynecological infections
- Bone and joint infections
- Septicemia
Limitations of the Cephradine – 30 μg Antibiotic Disc – Bioanalyse:
- The disc diffusion method is only a semi-quantitative method for testing the susceptibility of bacteria to antibiotics. For more accurate results, other methods such as broth microdilution or agar dilution should be used.
- The disc diffusion method is not able to detect all bacteria that are resistant to cephradine. For example, some strains of Enterococcus faecium are resistant to cephradine, but they may not produce a zone of inhibition around a cephradine disc.
- The disc diffusion method can be affected by the type of agar plate used, the incubation temperature, and the inoculum density. Therefore, it is important to follow standardized procedures when performing the disc diffusion test.
Additional information about cephradine:
Cephradine is a first-generation cephalosporin antibiotic. It is effective against a wide range of bacteria, including Gram-positive and Gram-negative bacteria. Cephradine is generally well-tolerated, but it can cause side effects such as nausea, vomiting, diarrhea, and rash. In rare cases, cephradine can cause serious side effects such as seizures and anaphylaxis.
Cephradine is a valuable antibiotic that can be used to treat a wide range of bacterial infections. However, it is important to be aware of the potential side effects of cephradine before using it.
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