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Sampling and detection of microorganisms in the environment

Sampling and detection of microorganisms in the environment

Sampling and detection of microorganisms in the environment. Gwy-Am Shin Department of Environmental and Occupational Health Sciences. Sampling. The challenges. Different microbe types Different media types Low numbers of pathogens in the environment. Infectious diseases.

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865 views • 46 slides
Microbiology of Water

Microbiology of Water

Microbiology of Water. William C. Morris Department of Food Science &Technology. Some Water Factoids. Number of people plagued by water shortage: 0.5X10 9 Average gallons used by average American per year: 183 gal. Estimated number of people who will be short of water by 2025: 2.8X10 9 .

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1.31k views • 38 slides
Chapter 4: Dynamics of Prokaryotic Growth

Chapter 4: Dynamics of Prokaryotic Growth

Chapter 4: Dynamics of Prokaryotic Growth. Important Point:. If you are having trouble understanding lecture material: Try reading your text before attending lectures. And take the time to read it well!. Bacteria are incredibly diverse, but...

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854 views • 38 slides
Bacterial Growth

Bacterial Growth

Bacterial Growth. Introduction Population vs. Cellular Growth Exponential vs. Arithmetic Growth Bacterial Growth - Binary Fission. Bacterial Growth. Bacterial Growth. Bacterial Growth Curve Lag Phase Log Phase Stationary Phase Death Phase. Bacterial Growth. Lag. Stationary. Death.

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280 views • 26 slides
Chapter 6

Chapter 6

Chapter 6. Microbial Nutrition and Growth. Microbial growth Increase in a population of microbes Result of microbial growth is discrete colony An aggregation of cells arising from single parent cell Reproduction results in growth. Growth Requirements.

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664 views • 21 slides
Lab 4 : Most Probable Number Method (MPN)

Lab 4 : Most Probable Number Method (MPN)

Lab 4 : Most Probable Number Method (MPN). Most Probable Number Method (MPN). Objective. What is the MPN method? How to determine the amount of bacteria from the MPN method?. Most Probable Number Method (MPN).

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594 views • 21 slides
Introduction to Lab Ex. 20: Enumeration of Bacteria - Most Probable Number method Membrane Filter method

Introduction to Lab Ex. 20: Enumeration of Bacteria - Most Probable Number method Membrane Filter method

Introduction to Lab Ex. 20: Enumeration of Bacteria - Most Probable Number method Membrane Filter method. Water Quality. Microbes are filtered from water that percolates into groundwater. Some pathogens are transmitted to human in drinking and recreational water.

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664 views • 15 slides
MICROBIAL GROWTH.

MICROBIAL GROWTH.

MICROBIAL GROWTH. By Dr. Ijeoma Nkeiruka Otigbuo. PHYSICAL REQUIREMENTS. Temperature:Psychrophiles, mesophiles, thermophiles, and psychrotrophs. pH: Acidophiles, Extreme halophiles, and facultative halophiles. CHEMICAL REQUIREMENTS. Carbon. Nitrogen, Sulfur, and Phosphorus.

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266 views • 10 slides
Water Quality Index

Water Quality Index

Water Quality Index. Fecal coliform measurements: Membrane Filtration Measures both Total Coliform and E. coli Multiple-Tube Fermentation Most Probable Number (MPN). MPN (Most Probable Number). This technique uses the Principle of Dilution to Extinction. BOD.

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281 views • 6 slides
gb-2007-8-5-r94-s2

gb-2007-8-5-r94-s2

a. b. Figure S1: a) Connectivity versus deletion. The figure shows the number of proteins in the E.coli network with a given number of connections (partners), and their conservation or deletion in the Buchnera network. Deleted nodes are mainly those with few connections.

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83 views • 2 slides
Predictive Model for Survival and Growth of Salmonella on Chicken during Cold Storage

Predictive Model for Survival and Growth of Salmonella on Chicken during Cold Storage

Predictive Model for Survival and Growth of Salmonella on Chicken during Cold Storage Thomas P. Oscar, Agricultural Research Service, USDA, Room 2111, Center for Food Science and Technology, University of Maryland Eastern Shore, Princess Anne, MD 21853;

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122 views • 1 slides

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