The phrase "already characterized" is correct and usable in written English.
It can be used when referring to something that has been defined or described in a particular way prior to the current discussion or context.
Example: "The species has already been characterized in previous studies, making it easier for researchers to build upon existing knowledge."
Alternatives: "previously defined" or "already described".
The Phytochip was applied to environmental samples already characterized by light microscopy and cloned into DNA libraries.
When EMI and Time Warner abandoned their proposed merger, the European competition commissioner, Mario Monti, said the music business is "already characterized by a high degree of consolidation".
The ability to earn the respect and affection of students that already characterized the young Davis has continued to inform and grace her work in education ever since.
The training set includes electronic4,70,71,72,73,74 and thermomechanical properties25,26 for a broad diversity of compounds already characterized in the AFLOW database.
The Citizens Budget Commission, a private fiscal-watchdog panel gifted in its ability to irritate the Mayor, has already characterized his fiscal prudence as an illusion.
At present, numerous pathway components such as receptors, adapters, scaffolds and their interactions with ligands and other signaling proteins have been already characterized and, in some cases, reengineered.
To study in vivo conditions we recently introduced a mouse model, in which we already characterized the angiogenic changes within the wound bed and the skin graft.
Sediments already characterized in the laboratory were introduced in the mix-design with a substitution ratio of 19% as a partial replacement of quartz sand.
First, the designed primers and the overall protocol of the HRMA were validated using already characterized viral isolates either containing or lacking changes at the tested codons.
Linear maps from to that preserve left matrix majorization or weak majorization were already characterized in [10, 11].
For example, oryzain-alpha and OsGAP1 were already characterized as related to iron excess in rice (Ricachenevsky et al. 2010).
