What's the difference between scaffold and shelf?

Scaffold


Definition:

  • (n.) A temporary structure of timber, boards, etc., for various purposes, as for supporting workmen and materials in building, for exhibiting a spectacle upon, for holding the spectators at a show, etc.
  • (n.) Specifically, a stage or elevated platform for the execution of a criminal; as, to die on the scaffold.
  • (n.) An accumulation of adherent, partly fused material forming a shelf, or dome-shaped obstruction, above the tuyeres in a blast furnace.
  • (v. t.) To furnish or uphold with a scaffold.

Example Sentences:

  • (1) Detailed analysis presented here reveals the presence of only two closely linked sites in 35,000 base-pairs scanned that mediate attachment of the dhfr gene to the nuclear scaffold.
  • (2) Both contain an internal protein (VP22a in the case of HSV-1 B capsids and gp8 or "scaffolding" protein in phage P22) that can be extracted in vitro with GuHCl and that is absent from mature virions.
  • (3) These muscle cells are then cultured on a scaffold with nutrients and essential vitamins and grown to desired quantities.
  • (4) According to the Times of India newspaper, officials handling the royal tour requested scaffolding at the site be taken down.
  • (5) The arrival of sensory axons in the brain triggers changes in glial shape and position that lead to the formation of a glial scaffolding for the developing glomeruli.
  • (6) After more than a quarter of a century of camping out, the house, with its seven flights of stairs (a trial to Lessing in her final years), seemed almost to be supported by a precarious interior scaffolding of piles of books and shelves.
  • (7) Two recently identified genes (genes 67 and 68) and one already known gene (gene 22), whose products are scaffold constituents, have been investigated.
  • (8) In the preceding article we described a polyclonal antibody that recognizes cSc-1, a major polypeptide component of the chicken mitotic chromosome scaffold.
  • (9) A less complex pattern was found for nuclear scaffolds.
  • (10) The products of three of these genes, the portal, scaffolding, and coat proteins, are structural components of the precursor particle, and two, the products of genes 2 and 3, are not.
  • (11) We now demonstrate that the protein scaffold may be isolated independently of the DNA by treating HeLa chromosomes with micrococcal nuclease before removing the histones.The chromosomal scaffolds may be isolated by sucrose density gradient centrifugation as a well-defined peak that is stable in 2 M sodium chloride, but is dissociated by treatment with proteases, 4 M urea, or 0.1% sodium dodecyl sulfate.
  • (12) We speculate that the microfibril bundles serve as a scaffolding for the corneal stroma or as a light-diffracting element.
  • (13) Thus, they represent a strong candidate as a scaffold ligament or tendon prosthesis if crosslink density can be increased.
  • (14) In osteoconduction, the implant does not provide many viable cells but rather acts as a scaffolding for the ingrowth of new bone from the margins of the defect with the concurrent resorption of the implant; cortical bone grafts or banked bone segments are examples of this "creeping substitution."
  • (15) In the control grafts regenerating axons grew almost completely through the inside of the basal lamina scaffolds (92%) and adhered to the structure, while in the anti-laminin antiserum treated grafts the axons were present outside (52%) and inside (48%) the scaffolds simultaneously.
  • (16) These preparations and sections revealed that titin, a putative scaffolding protein of sarcomeres, is present in a punctate state and also in a diffuse form throughout the cytoplasm of cardiac myocytes in the premyofibril stages (4-7 somite stages) as well as in the early stages of myofibril formation.
  • (17) Their massed voices roll like thunder across the open-sided, scaffold-roofed stadium.
  • (18) The scaffold-like structures were not accessible to G-, R-, or C-banding techniques.
  • (19) We conclude that synchronous assembly of the scaffold and shell is not obligatory and that naked cores can serve as intermediates in the T4 assembly pathway.
  • (20) The key components of the model consisted of an oligomeric lysine scaffolding to amplify peptide antigens covalently 4-fold and a lipophilic membrane-anchoring group to further amplify noncovalently the antigens many-fold in liposomal or micellar form.

Shelf


Definition:

  • (v. i.) A flat tablet or ledge of any material set horizontally at a distance from the floor, to hold objects of use or ornament.
  • (v. i.) A sand bank in the sea, or a rock, or ledge of rocks, rendering the water shallow, and dangerous to ships.
  • (v. i.) A stratum lying in a very even manner; a flat, projecting layer of rock.
  • (v. i.) A piece of timber running the whole length of a vessel inside the timberheads.

Example Sentences:

  • (1) Since he was created, he has appeared at several robotic fairs across China, but spends most of his time in deep meditation on an office shelf in Longquan.
  • (2) Matches on the NDCD tape could be found for 80% of the items in the shelf stock sample and 69.5% of the items in the tape supplied by the wholesaler.
  • (3) The development of the hydrogelic occlusive device called the P-block is described including developmental steps of the design of the device as well as the experience gained concerning the hydrogel of the device, shelf life, animal and human toxicology, insertion techniques, analgesia, check-up for retention in situ, actual efficacy of the method, mode of action of the device, complication rates, patient acceptance, continuation rates, possible reversibility and future perspectives of the method.
  • (4) Formulation often has a dramatic effect on degradation of proteins during the freeze-drying process as well as impacting on the "shelf-life" stability of the freeze-dried product.
  • (5) The determination of potency or shelf life, impurity limit testing, and study of reaction mechanisms are considered as different aspects of drug stability.
  • (6) Patterns of HA distribution in anterior, posterior and presumptive soft palate were examined in the secondary palatal shelves of CD-1 mouse fetuses that were 30, 24 and 18 h prior to, and at the time of, shelf reorientation.
  • (7) Another pint of Guinness That evening we set out again, this time to O'Donoghue's in Fanore, a blue-painted stone pub set on the thin shelf of land between the sea and the great limestone mountain that is called the Burren.
  • (8) The absence of membrane proteins and chemical stability of SFH and phospholipids promises long shelf-life.
  • (9) So, they start to create these almost fictitious things they can sell, whether it’s a prime shelf [at the height a shopper is most likely to see] or a gondola end [the promotional buckets often found at the top of the aisle].
  • (10) Midline epithelial cells cease DNA synthesis 24-36 h before shelf elevation and contact, become active in the synthesis of cell surface glycoproteins, and subsequently manifest morphological signs of necrosis.
  • (11) It has been suggested that head posture changes, tongue movements and jaw opening reflexes are required to enable palatal shelf elevation to occur in normal cranio-facial development.
  • (12) Allografts are often freeze dried to increase shelf storage time and sterilized with ethylene oxide.
  • (13) The shelf procedure provides a buttress of bone for later reconstructive surgery such as cup or total hip arthroplasty.
  • (14) When tested in another task (recovering food pellets from a horizontal shelf accessible through a narrow slit below the ceiling of the test box) same rats displayed identical (45%) and opposite (15%) preference or were ambidextrous (40%).
  • (15) In one case this was a dense shelf-like mass of echoes extending downward from the basal portion of the interventricular septum toward the mid-portion of the anterior mitral leaflet with corresponding systolic anterior motion of the mitral leaflet.
  • (16) Eight brands of composite resin, including paste-paste, powder-liquid and light-activated systems, as well as three glass ionomer cements were evaluated over a period of twelve months with respect to shelf-life and suitability for use in a tropical environment.
  • (17) They know that you're just going to buy everything from Amazon now, so they've all cut their losses and stacked every shelf with a trillion different 50 Shades Of Grey knock-offs called things like Disciplined With Buttplugs and 20 Carat Strumpet.
  • (18) The shelf life of the solid phase presensitized with monoclonal antibodies was 4 mth at -15 degrees C. DEN prototype viruses were still identified after storage at -15 degrees C for 1 yr or at room temperature for 1 mth.
  • (19) There are now standard off-the-shelf products that provide the kind of digital production tools that simply didn't exist five years ago.
  • (20) It is concluded that the shelf life of iced whole cod can be predicted using this model but not that of vacuum-packed fillets because of the greater variability of bacterial activity in packaged fish.