The phrase "a unique and essential" is correct and usable in written English.
It can be used to describe something that is both distinctive and necessary in a particular context.
Example: "This research provides a unique and essential perspective on climate change that has been overlooked in previous studies."
Alternatives: "a distinctive and crucial" or "an exclusive and vital".
Pelevin is a unique and essential writer blessed with a faultless translator.
But what makes our relationship special – a unique and essential asset – is that we join hands across so many endeavours.
"But what makes our relationship special — a unique and essential asset — is that we join hands across so many endeavors.
It occupies a unique and essential place in that theory, and its discovery validated our understanding of how fundamental particles can have mass.
The 2-C methyl-D-erythritol 4-phosphate (MEP) pathway is a unique and essential process for bacteria, algae, and plants (Proteau 2004).
Hence, in the present study, we have used a combined ligand and structure-based drug design approach for identification of novel inhibitors against salicylate synthase MbtI, a unique and essential enzyme for the biosynthesis of siderophores in M. tuberculosis.
Simulation offers a unique and possibly essential tool to train endoscopists in safe and successful gastrointestinal endoscopy using procedural sedation.
The first 6 data sets are collected from the SEER database [ 18], which is a unique, reliable and essential resource for investigating the different aspects of cancer.
Therefore VARS-1 is not able to efficiently charge tRNAval that recognize valine codons GUC and GUU, which provides an explanation for the unique and essential function of glp-4 VARS-2 in viability, germ cell proliferation, and protein synthesis.
As a result, we have shortlisted few unique and essential proteins that could act as drug targets against MRSA.
Carroll et al.'s [ 15] framework for implementation fidelity considers a fifth aspect of program differentiation, or identifying the unique and essential features of programs.
