Nonetheless, other research groups have been unable to demonstrate this infection in AD brains33, 34.
Other researchers had suspected the spillover effect was involved, but had been unable to demonstrate that this was the case.
However, in spite of this, much of the empirical research so far has been unable to demonstrate its benefits.
However, chemists have been unable to demonstrate such a cascade in the laboratory, and many came to believe that the "Nakanishi Hypothesis" would never be proven.
Despite these successes, we have been unable to demonstrate improvement in the motor behavior of aged rats receiving bilateral injections of the vector.
EU commission officials say the Belgian authorities have been unable to demonstrate conclusively that there was only one contamination incident and that they have located and closed all the farms that may have been affected.
One of the most prominent bacteria found was Burkholderia spp. However, we have been unable to demonstrate the presence of spirochetes or C. pneumoniae by immunohistochemistry and by PCR.
Despite the long history of radiation use, prospective trials in the United States and Europe have been unable to demonstrate a survival benefit with adjuvant radiotherapy compared with observation.
Despite 20 years of testing, the authorities have been unable to demonstrate that mobile phones and other electronic devices can interfere with an aircraft's navigation and communications gear.The truth is that the FCC never was concerned about the possibility of electronic interference when, in 1991, it banned the use of mobile phones on board aircraft.
"The club has recently been unable to demonstrate it can meet the legal conditions of the ground's safety certificate.
Thus far, researchers have been unable to demonstrate a nanotechnology-based generator capable of powering any device, nanoscale or otherwise.
