(1) The crystallographic parameters of four different unit cells, all of which are based on hexagonal packing arrangements, indicate that the fundamental unit of the complex is composed of six gene 5 protein dimers.
(2) The molecular structure of the hexagonal crystal form of porcine pepsin (EC 3.4.23.1), an aspartic proteinase from the gastric mucosa, has been determined by molecular replacement using the fungal enzyme, penicillopepsin (EC 3.4.23.6), as the search model.
(3) The "hexagonal ribbon" model proposes that hexagonal profiles are true cross-sections of elongated hexagonal ribbons.
(4) Crystal structure analysis and refinement at 2.0 A resolution of a rhombohedral crystal form of human annexin V at high calcium concentration revealed a domain motion compared to the previously analysed hexagonal crystal form.
(5) Abnormalities included absence of a hexagonal pattern, incomplete portal tracts with dilated veins only, lack of bile ducts and canaliculi, and apparent failure of bile formation and glycogen deposition.
(6) Using a hexagonal electrode array and switching times of 75 min at 45 V for 14 days, nine bands could be resolved.
(7) The PENN-PET scanner consists of six hexagonally arranged position-sensitive Nal(TI) detectors.
(8) This result was quite the same as that of the hexagonal plate crystals.
(9) When negatively stained with uranyl acetate, LPSI was ribbon-like but LPSII exhibited hexagonal lattice structures.
(10) Endothelial specular photography during an attack reveals dramatic changes: large black nonreflecting areas between quite normal-looking hexagonal cells.
(11) It is suggested that distortion in the hexagonal lattice below the pretransition temperature previously reported by X-ray diffraction techniques may be responsible for interchain interactions which give rise to a Raman band observed only in the triclinic lattice of even-numbered n-alkanes.
(12) 31P-NMR and X-ray diffraction techniques are used to study the comparative ability of myelin basic protein (MBP) vs. other basic proteins to convert hexagonal (HII) phases to stable lamellar (L alpha) structures.
(13) The influence of the intercalation of ethidium bromide (EB) on the characteristics of the DNA cholesteric and hexagonal mesophases is studied by optical microscopy, circular dichroism, and X-ray diffraction.
(14) Wide angle X-ray diffraction results indicate no major effect of the protein on the 4.1 A spacing, characteristic of hexagonal packing of the hydrocarbon chains.
(15) After in vitro perfusion of cytochalasin D to the corneal endothelium, the F-actin became randomly distributed throughout the cytoplasm, the hexagonal shape of the endothelial cell was disrupted, and endothelial permeability to carboxyfluorescein increased.
(16) The thermophilic eubacterium Clostridium thermohydrosulfuricum L77-66 is covered by a crystalline surface layer composed of identical glycoprotein subunits which are arranged in a hexagonal lattice with centre-to-centre spacings of approx.
(17) Pyramidal, cubical or hexagonal magnetic grains could be seen in different species of bacteria.
(18) The six subunits form a hexagon which is skewed with respect to the main rows of hexagons in such a way that the subunits lie on rows which make an angle of approximately 37 degrees with the main rows.
(19) In the invaginating synapses of cone pedicles, the plasma membrane of the photoreceptor ending contains an aggregate of A-face particles, a hexagonal array of synaptic vesicle sites, and rows of coated vesicle sites, which are deployed in sequence from apex to base of the synaptic ridge.
(20) The design and construction of a transistor-driven hexagonal contour-clamped homogeneous electric field (CHEF) apparatus is discussed in detail.
Octagon
Definition:
(n.) A plane figure of eight sides and eight angles.
(n.) Any structure (as a fortification) or place with eight sides or angles.
Example Sentences:
(1) Comprised of four octagonal half strain rings, the strain gage dynamometer measures the three moment load components at the boot.
(2) Holding it with both hands they howl into the octagon.
(3) On a platform level with the octagonal cage in which the fighters would assault each other, was a row of gilded sofas, scattered with red cushions, which still lacked occupants.
(4) Outside of the octagon, Bisping possesses the demeanour of an oversized Ricky Hatton - all mischievous grins, wisecracks and gentle ribbing of his sparring partners.
(5) At the divisional courthouse, a palatial complex of octagonal towers and Florentine domes originally built as the accounting office of British Burma, the windows have blown out and vegetation sprouts from every nook, yet inside the decaying shell, the courts continue to press on.
(6) Three groups of rats were required to locate a single water bottle from an octagonal array of eight otherwise empty bottles.
(7) The task in the 8-choice arena was to locate a single water bottle from an octagonal array of eight otherwise empty bottles.
(8) Modest in size, the Casa de Mar makes for a cool, peaceful perch from which to look out onto the octagonal bell tower and beyond to the aptly named Golfo Paradiso.
(9) At a special meeting convened at Bear's 45-floor octagonal midtown office tower, investors nodded through a sale of the cash-strapped company to its rival JP Morgan at a knockdown price of about $1.4bn (£700m).
(10) Because, Fertitta says, here’s the thing: “What we have is this incredible thing where you take two athletes, at the top of their game, in the most incredible shape and you put them in the Octagon and you let them use any martial art they want to compete.
(11) Whereas segments of hexagonal rods in the section should project as octagons at the electron microscope imaging plane, and octagonal profiles are never found, rectangular or rhombohedral rod segments project as hexagons.
(12) Remove the peel from each slice by cutting around the fruit in straight lines to make hexagonal or octagonal slices.
(13) There are remnants of what was once a temple at Nettleton Shrub in Wiltshire – a large octagonal building perhaps in honour of Apollo.
(14) Outside the Octagon, Zuffa doesn’t just regulate, it overregulates.
(15) The following images were seen: 1) elongated hexagons with sharp outlines, maximal density, and minimal size (type A profile); 2) elongated hexagons with one pair of long sides of high contrast, two pairs of short sides of low contrast, high density in the center of the image, and low density towards the low contrast sides (type B profile); 3) slanted hexagons with one pair of high contrast sides, two pairs of low contrast sides (one pair of long, one pair of short sides), and the density decreasing from the center towards the low contrast sides (type C profile); this profile was seen more frequently than the type B profile; and 4) octagons with low contrast edges all around, the density decreasing from the center towards the edges (type D profile).
(16) The dendritic apex is octagonally shaped in transverse section, its inner membrane lined by a laminated structure reminiscent of the noctuoid tympanal organ 'collar'.
(17) Before it started, the security guards closed in around the Octagon.
(18) These optimal conditions have been confirmed with an octagonal design experiment.
(19) Contraindications are cases of wide apical foramina and oval or octagonal root canal cross sections.
(20) Together with a gilded octagonal ceiling painting by the Baroque master Domenichino , they give the basilica a memorable glow.