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2por Hauser-Schäublin, BrigittaEnlace del recurso
Publicado 2012
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3“…The UNESCO World Heritage site of L’Anse aux Meadows (LAM) in northern Newfoundland is the only undisputed site of pre-1492 presence of Europeans in the Americas. …”
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4por Özsoylu, ŞinasiEnlace del recurso
Publicado 2015
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5“…By means of rapid serial passages, including 3 successive "blind" passages, the MEF1 strain, a Lansing-type poliomyelitis virus, has been adapted to new-born mice. …”
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7por Ainslie, John D.“…After intracerebral inoculation of mice with a 10 per cent suspension (approximately 2000 LD(50)) of the Lansing strain of poliomyelitis virus, the infectivity titer in the brain decreased for approximately 6 hours. …”
Publicado 1952
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9“…The Lansing strain of poliovirus type 2 is a mouse-adapted virus that induces a fatal paralytic disease in mice after intracerebral inoculation. …”
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10“…In several experiments it was shown that a deficiency of vitamin B(1) in the diet increased the resistance of mice to the Lansing strain of poliomyelitis. The source of the virus was a suspension of infected mouse brain in saline, which was injected intracerebrally. …”
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11“…Sera collected in 1950 from the native population in the vicinity of Cairo, Egypt, have been tested for complement-fixing antibodies to Type 2 (Lansing) poliomyelitis virus. Complement-fixing antibodies are confined to the age of 1 to 9 years if a serum dilution of 1:4 is used in the test, or to the age of 1 to 4 years with a serum dilution of 1:16. …”
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13por Ainslie, John D.“…The early phase of growth of the Lansing strain of poliomyelitis virus in the mouse brain and cord was suppressed, or delayed, by the intraperitoneal administration of sodium monofluoroacetate in doses of 6 mg.…”
Publicado 1952
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17“…No comparable effect is observed in experimental infections produced with rabies or poliomyelitis (Lansing) viruses. The neurotropic virus infections altered by ether anesthesia are those caused by viruses which are destroyed in vitro by this anesthetic, and those infections not affected by ether anesthesia are caused by viruses which apparently are not destroyed by ether in vitro. …”
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18“…Experimental neurotropic virus infections which were not altered by ether anesthesia are caused by viruses which are refractory to the in vitro virucidal activity of even large amounts of anesthetic ether; this group includes the viruses of poliomyelitis (Lansing) and rabies. 3. Quantitative studies of the in vitro virucidal activity of ether indicate that concentrations of this anesthetic within the range found in central nervous system tissues of anesthetized animals possess no virucidal activity. 4. …”
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