The phrase "none has been done" is grammatically correct and can be used in written English.
It is often used when describing a lack of action or progress on something. Example: Despite repeated reminders, none of the tasks assigned to the team has been done.
But virtually none has been done to date.
An EPA official calls it "infinitely morethan has ever been done before," and theoretically she's right because none has been done before, despite the advances that have already taken place in the field.
Much of the optimization study has been done on injection molding, but none has been done on mechanical properties of PA-6/clay nanocomposites.
Some validation studies for high-stakes tests such as the TOEFL® have been conducted using the framework (e.g., Chapelle et al. 2010) but almost none has been done on placement tests.
Considerable researches have been done on the automatic classification of pulse patterns according to their features of position and shape, but because arrhythmic pulses are difficult to identify, until now none has been done to automatically identify pulses by their rhythms.
Few data are available in literature regarding the genomic imbalances in IBCs [40] [42], and none has been done using high-resolution aCGH.
Landells said he wanted testing with drones to be carried out because it appeared none had been done before.
Dystopian novels have been popular for the last 50 years or so, but none have been done quite like this one.
Few studies have addressed the humoral response against MSP6 and 7 in populations, and none have been done in Brazil.
To the best of our knowledge none had been done in the North central region of Nigeria where our institution is located.
Although these kinds of experiments have been done previously in the Andino, Kirkegaard, Vignuzzi, and other laboratories, none have been done with favipiravir, which is more effective, less toxic and shows a different pattern of mutagenesis.
