What's the difference between acrylic and wool?

Acrylic


Definition:

  • (a.) Of or containing acryl, the hypothetical radical of which acrolein is the hydride; as, acrylic acid.

Example Sentences:

  • (1) The teeth were embedded in phenolic rings with acrylic resin.
  • (2) In this study, a technique is described by which large obturators can be retained with an acrylic resin head plate.
  • (3) Eight macerated human child skulls with a dental age of approximately 9.5 years (mixed dentition) were consecutively subjected to an experimental standardized high-pull headgear traction system attached to the maxilla at the first permanent molar area via an immovable acrylic resin splint covering all teeth.
  • (4) They were an order of magnitude larger for poly(acrylic acid) due to the lack of cationic groups.
  • (5) By embedding the biopsy in the acrylic resin LR White, unsupported sections of which are stable in the electron beam, light and electron microscopy and immunocytochemistry become feasible on sections from the same block.
  • (6) One must pay attention to the setting expansion of plasters and to the setting contraction of acrylic resins which may be very important if these materials are used without care.
  • (7) This study suggests that glass fibers can be pretreated with a silane coupling agent to obtain a chemical bond between the fibers and the acrylic resin.
  • (8) For comparison, the same characteristics of currently used 20% water-soap benzylbenzoate emulsion and of the new ointment base, SAKAP (acryl copolymer), have been examined.
  • (9) The medium-viscosity polyvinylsiloxane impression material showed significantly higher adhesive bond strength to polystyrene than autopolymerizing acrylic resin whereas polysulfide and condensation silicone impression materials adhered significantly better to autopolymerizing acrylic resin than polystyrene.
  • (10) To support this, a small study on dentate subjects suggests the covering of the palatal mucosa with an acrylic plate does not affect masticatory performance.
  • (11) Use of a vacuum device on the mixed acrylic resin works as well as pressure polymerizing.
  • (12) Total joint arthroplasties with metal, plastic, and acrylic materials have revolutionized the surgical treatment of arthritis.
  • (13) The polyacrylate fraction, as well as glucose and acrylate, are removed and mineralized to CO2.
  • (14) The effect of nine different designs on the strength of acrylic resin attachment to the partial denture framework in anterior endentulous spaces was tested.
  • (15) Initially the release of chlorhexidine acetate from cold cured acrylic strips into water, was measured spectrophotometrically over a 15 day period.
  • (16) In attempt to standardize an experimental model for biomechanical studies of unstable trochanteric fractures, acrylic models of the proximal femur were investigated by the photoelastic technique.
  • (17) All bridges were made of type-3 casting gold and heat-cured acrylic veneering.
  • (18) The acrylic acid polymer showed a longer GI transit time than the methacrylic acid polymer, and this in vivo GI transit result is consistent with in vitro bioadhesion test results.
  • (19) Many of the acrylic resin and bent-wire temporary partial dentures in use today produce pathologic changes in the oral mucosa.
  • (20) Results of in vivo metabolism studies with acrylic acid (AA) have indicated that 60-80% of the administered dose is excreted as CO2 within 2-8 hr of oral dosing of rats; however, the pathway of AA metabolism to CO2 in mammals has not been determined.

Wool


Definition:

  • (n.) The soft and curled, or crisped, species of hair which grows on sheep and some other animals, and which in fineness sometimes approaches to fur; -- chiefly applied to the fleecy coat of the sheep, which constitutes a most essential material of clothing in all cold and temperate climates.
  • (n.) Short, thick hair, especially when crisped or curled.
  • (n.) A sort of pubescence, or a clothing of dense, curling hairs on the surface of certain plants.

Example Sentences:

  • (1) Release of 51Cr was apparently a function of immune thymus-derived lymphocytes (T cells) because it was abrogated by prior incubation of spleen cells with anti-thymus antiserum and complement but was undiminished by passage of spleen cells through nylon-wool columns.
  • (2) Populations of lymphocytes were separated using glass and nylon wool.
  • (3) Removal of accessory cells adherent to nylon wool column abolished MAS reactivity, whereas it has little effect on lymphoproliferation induced by phytohaemagglutinin (PHA).
  • (4) Somatic changes included reduced wool growth, delayed osseous development in the limbs (X-ray assessment) a reduced heart weight (39.1%) and an increased pituitary weight (48.1%).
  • (5) [35S]Cyst(e)ine activity was detected in the faeces, but not in plasma or wool.
  • (6) Immunoreactivity was restricted to the periderm and intermediate layers of fetal epidermis at 55 d of gestation, when the first wave of wool follicles are initiated.
  • (7) Data obtained with cells separated by adherence, nylon wool columns, and positive and negative sorting with monoclonal antibodies that define B, monocyte, T helper and T cytotoxic cells show that several different cell types have the ability to produce GH mRNA.
  • (8) A case is presented of a patient who was arrested along several developmental lines and had suffered from a wool fetish.
  • (9) Removal of nylon wool adherent cells or cells with histamine receptors by column chromatography similarly caused reduced production of type II interferon.
  • (10) The activity of uremic spleen cells can be enhanced (restored) by removal of the sub-population of cells adherent to glass wool.
  • (11) All skirted lots of wool evaluated in this study had improved processing characteristics for all processing traits evaluated.
  • (12) The in vitro generation of allospecific CTL by human PBMC was enhanced 4- to 16-fold by sequential plastic and nylon wool adherence, which depleted the PBMC of macrophages and B cells.
  • (13) In parallel experiments, macrophages infected with the mycobacteria were co-cultured with syngeneic in vivo M. kansasii sensitized non-adherent, nylon-wool purified lymph node cells, and lymphoproliferation was measured by [3H]thymidine incorporation.
  • (14) "The Lib Dems are either cosmically ill-informed or seeking to pull the wool over the eyes of many thousands whose jobs depend on a thriving shipyard," he said.
  • (15) In general, IEL of satisfactory yield and of good viability were obtained with EDTA treatment of the gut tissues, followed by rapid passages of the resultant cells through nylon-wool columns and centrifugation on two-step Percoll density gradients (45% and 80%).
  • (16) There was a definite glove and stocking type of hypesthesia to pinprick and cotton wool.
  • (17) Since young nude mice could be rendered as unpermissive as older nude mice by pretreatment with either PNA-agglutinable thymus cells or nylon-wool passed spleen cells, it is suggested that an increased number of precursor T cells in older nude mice might induce this effect.
  • (18) Differences in wool production between ewes weaning one or two lambs were small.
  • (19) The effects of flumethasone on some aspects of wool growth revealed interactions between the routes of administration, the period of dosage and the rate of wool growth in the recipients.
  • (20) Streptococcus pyogenes survives poorly on plain cotton-wool swabs, whereas serum-dipped swabs permit its survival but also allow overgrouth by other bacteria and are likely to contain virus inhibitors.

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