"reduction of the amount" is correct and can be used in written English.
For example, "The government announced a reduction of the amount of taxes due this year."
An interaction is indicated by a reduction of the amount of free antibiotic (visible on the TLC by ultraviolet light).
In general, the reduction of the amount of sulfur compounds increases the TAC and CO2 emissions.
That's why a major component of the current reform movement is the reduction of the amount of time athletes spend on their respective sports.
A more lasting and serious consequence was the drastic reduction of the amount of land under cultivation, due to the deaths of so many labourers.
The metal is also used as an addition to Nd2Fe14B permanent magnet alloys leading to a reduction of the amount of neodymium required.
A major benefit is a significant reduction of the amount of catalyst compared with the situation without entrainer.
The Thai study found that women whose virus was drug-resistant and later required long-term, antiretroviral therapy, were less likely to achieve maximal reduction of the amount of H.I.V. in their blood if the drug therapy included nevirapine.
The resilience he otherwise locates on land might be harder to find there, thanks to human impacts like the reduction of the amount of oxygen in the water or its increasing acidity.
We have found, however, a significant reduction of the amount of TBS-induced LTP in Ts65Dn mice compared to euploid controls.
The reduction of the amount of metal in wafer-based silicon modules requires adaptation of the device architecture into low-current devices.
Furthermore, a trade-off is highlighted relating the optimality level, the size of the estimate of the basin of attraction and the reduction of the amount of transmissions.
