The phrase "has been further expanded" is correct and usable in written English.
You can use this phrase when you want to indicate that something has extended or grown bigger from a previous state. For example, "The university's library collection has been further expanded to include new books from a variety of academic disciplines."
Recently, the utility of antibody Fc has been further expanded to include a new class of antigen-binding scaffolds.
In this study, the database has been further expanded by adding the recent data focusing on the investigation of design parameters of clear bar spacing and head size, and re-evaluated using a variety of statistical and empirical techniques.
With the recent desire to develop more sustainable bioprocesses for production of fuels, chemicals and materials, the market for microbial production of organic acids has been further expanded as organic acids constitute a key group among top building block chemicals that can be produced from renewable resources.
This year, the scope has been further expanded to new areas of computational endeavour in science; the book covers many aspects of algorithms research and application ranging from combinatorial mathematics to hardware design.
The two-disc edition, entitled My Love: Ultimate Essential Collection has been further expanded to include rare songs that have not previously appeared on her albums.
The repertoire of T. brucei has been further expanded by the relatively recent creation of two similar copies of KIN13-4 (KIN13-4b and Kidentity 72% identity) accompanying the large-scale duplication of a ∼0.5 Mb region shared between chromosomes 4 and 8 [24].
More recently still the scope of research has been further expanding to include not only the physical aspects of the supply chain but also the research and development pipeline, the financial flows of the enterprise, as well as consideration of external entities such as suppliers, partners, competitors and even governmental and regulatory bodies within the decision framework.
The observational capabilities of the cinema have been further expanded by the digital revolution, with low-cost digital cameras making possible the kind of lengthy, first-person videography that comprises American Promise.
The link between humans and livestock have been further expanded by the recent description of MRSA isolates from the United Kingdom, Ireland and Denmark that harbour a divergent mecA homologue termed mecC (formerly mecALGA251; Garcia-Alvarez et al, 2011; Ito et al, 2012; Shore et al, 2011).
Once their usefulness has been further evaluated, their use will be expanded to other Medical Homes in development in the other Local Health Authorities in the Emilia-Romagna region.
The range of rare-earth metal alkyl complexes bearing different types of carbene ligands have also been further expanded.
