The phrase "and modification have been" is not correct in standard written English due to subject-verb agreement issues.
It can be used in a context where you are discussing changes or alterations that have occurred, but the subject must be plural to match the verb "have."
Example: "The updates and modifications have been implemented successfully."
Alternatives: "and changes have been" or "and adjustments have been".
Gold nanoparticles (Au NPs), with excellent biocompatibility, easily tuned sizes and modification, have been extensively applied to antigens and immune adjuvant delivery [24].
Since then, proteins involved at each level of transcriptional regulation, including factors regulating DNA methylation, chromatin accessibility, and modification, have been found to be O-GlcNAc modified.
Since the discovery of the strong association between FLG mutations and AD, the mechanisms through which these mutations lead to disease causation and modification have been of great interest.
The effect of the number density is an important role because it changes the plasma frequency, and modification has been made in the value of β.
In surveys asking about the behaviour of colleagues, fabrication, falsification and modification had been observed, on average, by over 14% of respondents, and other questionable practices by up to 72%.
It was hypothesized that the original function of HGs in food digestion and modification has been modified in the course of evolution into a nutritive, food-secreting function in honeybees, which was accompanied by their growth (Kupke et al., 2012).
In order to overcome the limitations imposed by the traditional HMM theory, a series of improvements and modifications have been proposed.
Since then, several design changes and modifications have been made to improve the longevity, hemodynamics, and thrombogenicity of newer generation mechanical valves.
Many additions and modifications have been done to this algorithm [Hunter and Kittrell (1966); Parkinson and Hutchinson (1971); Torczon (1989) and Walter Frederick (1991)]; but the essence of it remains intact.
"I've got great respect for the men and women who are in the field and who are in the front lines, but every now and again there have been questions that I have had and raised, and modifications have been made in the approach that we have taken".
