"unnatural expression" is a correct and usable phrase in written English
It is typically used to describe a phrase or statement that sounds awkward or forced, rather than sounding natural and flowing. It can be used in various contexts, such as when discussing language use, writing style, or communication. Example: The dialogue in the play was filled with unnatural expressions, making it difficult for the actors to deliver their lines convincingly.
It was only later that I realised – they must've knocked his teeth out and then glued his mouth shut afterwards, that's the reason for his unnatural expression.
Very preliminary study described that iPSCs were rejected even in MHC-matched recipients, due to unnatural expression of genes that were recognized by CD4+ and CD8+ T cells [ 104].
The major drawback of these studies is that they investigated the interaction between miRNAs and their target genes by either overexpression or knockdown experiments, since such an unnatural expression levels of miRNAs might cause artifacts.
These conjugation methods have recently become even more advanced with the advent of modern biochemical techniques such as unnatural protein expression or enzymatic reactions that allow the site-specific modification of proteins.
It causes unnatural facial expressions called "risus sardonicus".
The establishment of the unnatural amino acid expression system in Mtb, an intracellular pathogen, should facilitate studies of TB biology and vaccine development.
The establishment of the unnatural amino acid expression system in Mtb, an intracellular pathogen, should facilitate the studies of TB biology and vaccine development.
To determine if this unnatural amino acid expression system can be used in slow growing mycobacteria, we transformed the pMV361-MjpIpaRS/pSMT-MjtRNA-GFP151TAG pair into BCG and Mtb strain H37Ra.
Critics and audiences alike, with audiences voicing their opinions on Twitter, blogs and other social media, complained that the Zemeckis technique can result in character facial expressions that look unnatural.
One critical limitation of this system is the inability to express some complex, eukaryotic, and/or unnatural proteins at high expression yields.
At the time, this choice was not unnatural, given that this expression is well-known and widely used in error theory and the description of statistical fluctuations.
