File:SEM biofilm CDC Image Bank.jpg: Difference between revisions

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Image title	2009 Janice Haney Carr This digitally-colorized scanning electron micrograph (SEM) of an untreated water specimen extracted from a wild stream mainly used to control flooding during inclement weather, revealed the presence of unidentified organisms, which included bacteria, protozoa, and algae. Visible in this particular image were a number of different microorganisms including elongated diatoms, and an amorphic gelatinous biofilm mass, which had enveloped amoeboid and bacterial organisms. Though many organisms found in untreated waters are harmless, there are many that are pathogenic to both humans and animals, including <i>Giardia</i> spp., free-living amebae, and <i>E. coli</i> just to name a few. During power outages, the functionality of treated water systems can be negatively affected, thereby, violating the patency of these closed systems. In these instances, advisories may be posted, encouraging inhabitants of these regions to boil their water tap water in order to kill off any pathogenic organisms that may have entered the system due to an intrasystemic drop in positive pressure.<p>Not only do water treatment plants remove such pathogenic organisms, but chemical that can be injurious to humans and animals sre filtered from the water making it potable. Again, during power outages, or in the case of broken pipes, chemicals can contaminate tap water rendering it unsuitable to drink as well.
Author	Photographer: Janice Haney Carr
Copyright holder	http://www.atsdr.cdc.gov/ Agency for Toxic Substances and Disease Registry (ATSDR); Homepage http://www.atsdr.cdc.gov/HAC/healt
Width	2,835 px
Height	1,927 px
Bits per component	8 8 8
Compression scheme	LZW
Pixel composition	RGB
Orientation	Normal
Number of components	3
Horizontal resolution	200 dpi
Vertical resolution	200 dpi
Data arrangement	chunky format
Software used	Embettered by PicMonkey. http://www.picmonkey.com
File change date and time	08:11, 26 September 2011
Color space	sRGB
Image width	614 px
Image height	230 px
Date and time of digitizing	04:11, 26 September 2011
Date metadata was last modified	04:11, 26 September 2011
Short title	Original Title: EGHH.TIF

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