Microbiology

Antibiotic resistance is a curse to the present world

Antibiotic resistance is a curse to the present world

  • Md. Jahangir Alam
  • | 12 Jul 2019
Antibiotics saved thousands of people in 1950s and 1960s. But for decades these antibiotics show…
Monday, 11 June 2018 14:18

Biological Oxygen Demand (BOD): Wastewater Treatment Methods for the Reduction of BOD

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Wastewater treatment plant
Biological Oxygen Demand (BOD) It is also known as Biochemical Oxygen Demand (BOD). It is…
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Thursday, 07 June 2018 18:40

Acid-Fast Staining: Purpose, Principle, Procedure and Observation

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Sputum smear stained with Ziehl-Neelsen stain showing acid-fast bacilli
There are certain bacteria which cannot be stained by Gram's method. In 1882, Paul Ehrlich…
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Wednesday, 06 June 2018 21:17

Gram Staining: Purpose, Principle, Procedure and Observation

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Clusters of Gram-positive bacteria
In 1883 (originally published in 1884), Dr. Hans Christian Gram (1853-1938) developed a technique for…
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Saturday, 31 March 2018 20:35

WHAT YOU SHOULD KNOW ABOUT MIDDLE EAST RESPIRATORY SYNDROME CORONAVIRUS (MERS-CoV)

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MIDDLE EAST RESPIRATORY SYNDROME CORONAVIRUS (MERS-CoV)
The Middle East respiratory syndrome (MERS) caused by coronavirus which has a large family of…
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Sunday, 04 March 2018 08:59

GUT FEELING INDUCED BY GUT FLORA Featured

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GUT FEELING INDUCED BY GUT FLORA
“Gut flora is a complex community of organisms that inhabit human and animal digestive system”.…
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Tuesday, 09 January 2018 08:31

CHOLERA: CAUSES, SYMPTOMS, DIAGNOSIS AND TREATMENT Featured

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CHOLERA: CAUSES, SYMPTOMS, DIAGNOSIS AND TREATMENT
CHOLERA is a specific infectious disease that affects the lower portion of the intestine and…
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Monday, 31 July 2017 13:06

CARE AND MAINTENANCE OF MICROSCOPE

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CARE AND MAINTENANCE OF MICROSCOPE
Routine care and proper maintenance of microscope will ensure good performance over the years. In…
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Tuesday, 25 July 2017 10:42

PARTS AND FUNCTIONS OF A COMPOUND MICROSCOPE

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PARTS AND FUNCTIONS OF A COMPOUND MICROSCOPE
The microscope is the most important piece of equipment in the clinic laboratory. The microscope…
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Tuesday, 25 July 2017 08:43

KOHLER ILLUMINATION

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Kohler Illumination System Map
What is Kohler illumination? Kohler illumination is a method of adjusting a microscope in order…
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Thursday, 13 April 2017 11:30

CRE may be spreading more widely than previously thought

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CDC sees 'steady increase' in drug-resistant bacteria
One family of superbugs, known as carbapenem-resistant Enterobacteriaceae or CRE, may be spreading more widely…
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Wednesday, 05 April 2017 10:10

SALT TOLERANCE TEST Featured

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SALT TOLERANCE TEST
Objective: To test organism's ability to tolerate various osmotic concentrations. Test Procedure1. Use a sterile…
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Wednesday, 05 April 2017 09:45

PENICILLIN DISC TEST Featured

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Plastic model of an antibiotic sensitivity disc test
Objective: To test the organism's susceptibility to antibiotic penicillin. Test Procedure and Interpretation: See the…
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Wednesday, 05 April 2017 09:19

OXYGEN REQUIREMENT TEST (Thioglycollate Test) Featured

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The above diagrams show ideal examples
Objective: To determine the organism's oxygen requirement. Test Procedure1. Inoculate 5 ml of BHI broth…
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Wednesday, 05 April 2017 09:00

OXIDASE TEST Featured

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Oxidase Test Results
Objective: To determine the presence of the oxidase enzymes (e.g. cytochrome c oxidase). Test Procedure…
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Wednesday, 05 April 2017 08:36

OPTOCHIN DISC TEST Featured

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OPTOCHIN DISC TEST
Objective: To test an organism's susceptibility to the chemical, optochin. Optochin susceptibility tests the fragility…
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Wednesday, 05 April 2017 08:23

NOVOBIOCIN DISC TEST Featured

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NOVOBIOCIN DISC TEST
Objective: To test an organism's susceptibility to the antibiotic novobiocin. Test Procedure1. Streak a BHI…
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