Papillomaviruses were first identified in the early 20th century, when it was shown that skin warts, or papillomas, could be transmitted between individuals by a filterable infectious agent.
12.
Rapid removal of filterable contaminants reduces the impact on the disinfection system thereby limiting the formation of chloramines, restricting the formation of disinfection by-products and optimizing sanitation effectiveness.
13.
Like Ivanovsky before him and Adolf Mayer, predecessor at Wageningen, Beijerinck could not culture the filterable infectious agent, however he concluded that the agent can replicate and multiply in living plants.
14.
Negri went on, however, to demonstrate in 1906 that the smallpox vaccine, then known as " vaccine virus ", or " variola vaccinae ", was also a filterable virus.
15.
Calcium carbonate contributors, including plankton ( such as coccoliths and planktic foraminifera ), coralline algae, mollusks, are typically found in shallow water environments where sunlight and filterable food are more abundant.
16.
This was later abandoned when an oxalate or hydroxide method was developed; lanthanum was precipitated as lanthanum hydroxide and then converted to a filterable precipitate by addition of oxalate with a trace of fluoride.
17.
By 1928 enough was known about viruses to enable the publication of " Filterable Viruses ", a collection of essays covering all known viruses edited by Thomas Milton Rivers ( 1888 1962 ).
18.
A filterable tap, that provides advanced filtering, can selectively pass data, based on application, VLAN ID, or other parameters, to the 1-Gigabit port for deep analysis and monitoring, including IDS requirements.
19.
In 1898 Martinus Beijerinck repeated Ivanovski's work but went further and passed the " filterable agent " from plant to plant, found the action undiminished, and concluded it infectious replicating in the host and thus not a mere toxin.
20.
Following these initiatives, when ETCs again became available in 2002, a number of experiments on pregnant mice seeking to evaluate the use of pregnant mice as a laboratory model of MRLS and to develop experimental support for a filterable protein ETC toxin.
