The phrase "a shell composed of" is correct and usable in written English.
It can be used when describing the material or elements that make up a shell or similar structure.
Example: "The scientist examined a shell composed of calcium carbonate, noting its unique properties."
Alternatives: "a shell made of" or "a shell consisting of".
In CSLPHNs, a biodegradable polymeric core is surrounded by a shell composed of layer(s) of phospholipids.
The core shell particles consist of core polymer particles covered by a shell composed of magnetic particles and abrasive grains.
The surface of the Mo2C nanoparticles was coated with a shell composed of hexagonal polyaromatic carbon 5 20 nm thick.
All the agents contain gas-filled microbubbles with a diameter of 2 6 μm, which are surrounded by a shell composed of varying lipids or polymers.
Consequently, cobalt nitrate will mostly remain in the liquid phase and decompose to form NPs in a liquid-to-particle conversion process (Figure 4, right panel) [39 41], leading to the formation of a shell composed of NP aggregates.
The loading amount of NPs in a shell composed of (ALG/CHI 5 was determined in two media i.e. H2O and 0.1 M NaCl, and the results showed that the loading amount of the former is greater than that of the latter.
It is a layered shell composed of a gradient-refractive-index (GRIN) refractor, an absorber and a reflector.
We present an exact solution for the dynamic response of a spherical shell composed of a linearly elastic material exhibiting transverse isotropic symmetry.
During phase II, microspores undergo meiosis to form the tetrads enclosed in a thick shell composed of a callose (β-1,3 glucan) wall and a pollen mother cell (PMC) wall composed of cellulose, hemicelluloses, and pectins [ 31].
Plectoceras, extinct genus of small marine nautiloid cephalopods, forms related to the modern pearly nautilus, that had a coiled shell composed of a series of chambers; Plectoceras was active in the Ordovician Period (from about 488 million to 444 million years ago).
In many ways vaults are reminiscent of virus particles; they are large assemblies that have a protein shell composed of multiple copies of a single protein and have a large central cavity.
