The phrase "and a substantial amount" is correct and usable in written English.
It can be used when referring to a significant quantity or degree of something, often in contexts involving resources, data, or evidence.
Example: "The project requires time, effort, and a substantial amount of funding to be successful."
Alternatives: "and a considerable amount" or "and a significant amount".
But if you are an older Bob Dylan fan, you may have an estate and a substantial amount of money".
Lopez has earned more than $5 million in prize money and a substantial amount more in endorsements and business ventures.
Bornstein gave me a lift home on his moped, together with Babylon Fighter and a substantial amount of video equipment.
In addition, the cell culture/CPE method requires large-scale cell culturing and a substantial amount of time.
However, the vast majority of expression of genes encoding collagens and a substantial amount of core glycoprotein expression occurred in muscle.
Many cities are experiencing an Urban Heat Island (UHI) effect and a substantial amount of research has focused on ameliorating those conditions.
Prolonged inhibition of ATR by the analogs in a Burkitt lymphoma cell line resulted in enhanced DNA damage and a substantial amount of apoptosis.
Glucose showed the highest uptake rate, sucrose was utilized until low glucose values prevailed, and fructose was slowly metabolized and a substantial amount remained.
Vibration signals measured from a gearbox are complex multi-component signals, generated by tooth meshing, gear shaft rotation, gearbox resonance vibration signatures and a substantial amount of noise.
The Celtics also get center John Williams from Dallas, Utah's first-round pick in the 2001 draft and a substantial amount of cash, Celtics General Manager Chris Wallace said.
But all data will have some utility – and a substantial amount of data use will exist under the tail of the distribution with many data sets used by only a few.
