Not only is the human body colonized with a large variety of microorganisms, the environment people live in is also filled with countless bacteria and other microorganisms, which are known as environmental microbes. More importantly, since people spend the majority of their lifetime in indoor environments such as schools, houses, and hospitals, the indoor surface microbes hence play a crucial role in human health. Scientists have discovered that indoor microorganisms are associated with the Sick Building Syndrome (SBS) and other diseases which pose a significant threat to humans (Godish, 2001). One approach to investigate the indoor microorganisms is to study the abundance of microbes on a surface. Abundance is measured as the…
microbiology lab we have been taught how to conduct multiple experiments to identify microorganisms. Many of these experiments can be used on all different types of microorganisms but cumulatively they can help isolate a singular microorganism’s identity. At the beginning of the semester we were divided into several groups and were assigned an unknown of which we were tasked with identifying. Being assigned number 14 as our unknown, my group consisting of Chijindu Eke, Austin Dicus and myself…
In the field of Microbiology, it is essential that the microorganisms being examined are seen clearly and distinctly under the microscope. Most specimen thrive in aqueous environments, therefore they are translucent and when mounted on a microscope the light passes through them making it impossible to see the specimen. Equally as important as this is that the viewer is aware of what type pf bacteria is being utilized. Both of these criteria in a lab are met with the use of a staining procedure…
. It was also revealed by NSW (2000) that there are a few variations in the sources of gray water in that bathroom (hand basin, shower, and bath) which generates about 38% of the household wastewater flow (55% of greywater) and is considered to be the least contaminated type of greywater. Microbiologically, thermotolerant coliform concentrations have been assessed in shower and bath water to be in the range of 104 to 106 cfu/100mL. People often urinate in showers and baths concern is often…
To identify an unknown microorganism by performing a series of biochemical tests on a pure bacterial culture.
Materials and Methods:
- Phenol red lactose Broth
- Phenol Red Sucrose Broth
- Unknown organism # 40
- Inoculating tool
Phenol red lactose and Phenol Sucrose were cultures used to identify fermentation of carbohydrates for the unknown organism #40. Phenol red is a ph. indicator as the inverted Durham tube indicates gas…
by Allison Maclachla
Acne: Causes, Diagnosis and How to Get Rid of Acne
After watching all three of the videos required per this assignment, I found the first video the most interesting. The other two didn’t really capture my attention as much as this one did. I appreciate how Jessica Green opened up her speech providing us facts such…
The 20th century saw a series of remarkable
discoveries that changed the face of
medical practice. Among the most important
was the discovery of antimicrobial
agents, beginning with the synthesis of arsphenamine
by Paul Ehrlich as the century
dawned . With this discovery, the
dreaded scourge of syphilis was brought
under control, although not eradicated.
However, the toxicity of the drug made it
less than ideal as an antimicrobial agent.
Shortly thereafter, optochin (ethyl cupreine)
1n this report there is information about the safety rules which we have to follow in microbiology lab during experiments and various safety precautions we take in labs. A microbiology lab requires a unique environment & special practice.
Then this report contains information about various kind culture media and there preparation which is essential for the culture plating detection of various microorganisms and bacteria
There is information about various kinds culture plating techniques…
Population growth of microorganisms. In the correct conditions (with warmth, moisture, nutrients) bacteria can multiply rapidly. The human body can provide these conditions for bacteria to multiply, for example in a cut. Each bacterium splits into two up to every 20 minutes. So, after one hour a single bacterium could have reproduced to give eight bacteria.
2.2 Explain the ways an infective agent might enter the body
Contact: Some diseases spread through direct contact with infected skin,…
be helpful, but harmful, and are usually prescribed by doctors. Some people also use essential oils whish are safer and healthier.
Bacteria can be good and bad. Good bacteria help to keep you healthy. The bad bacteria can make you sick. Poor diets and constipation can lead to bad bacteria. Too many antibiotics without probiotics can also lead to bacterial growth. Probiotics are found in cultured foods, and they are good fro your health. Bad bacteria do have a good cause though. Bad bacteria are…