What's the difference between asperity and astringent?

Asperity


Definition:

  • (n.) Roughness of surface; unevenness; -- opposed to smoothness.
  • (n.) Roughness or harshness of sound; that quality which grates upon the ear; raucity.
  • (n.) Roughness to the taste; sourness; tartness.
  • (n.) Moral roughness; roughness of manner; severity; crabbedness; harshness; -- opposed to mildness.
  • (n.) Sharpness; disagreeableness; difficulty.

Example Sentences:

  • (1) The presence of proteins antigenically related to Bothrops asper myotoxins in various snake venoms, mainly from South America, was investigated by using polyclonal and monoclonal antibodies.
  • (2) The myotoxin shows partial immunologic identity with a myotoxic phospholipase A2 isolated from Bothrops asper venom.
  • (3) Mice that received antivenom (0.4 ml) by the iv or im route 15 min after im injection of B. asper venom (100 micrograms) had lower levels of plasma anti-myotoxin antibodies than controls injected with antivenom only, suggesting that at least a fraction of the antibodies combines with myotoxins in vivo.
  • (4) Metalloproteinase from the venom of Bothrops asper (proteinase G) is a glycoprotein with 1% neutral hexose and 3.5 moles of sialic acid per mole of protein.
  • (5) A new instrumentation for posterior spinal surgery consists of metallic rods carved with diamond-shaped asperities on which vertebral hooks or screws can be screwed in any position, level, or degree of rotation.
  • (6) Conditions that inhibited phospholipase A2 activity, i.e., substitution of calcium by EDTA, reduced liposome-disrupting activity of Bothrops asper myotoxin I and Bothrops atrox myotoxin, both of which have high phospholipase A2 activity, but did not affect the action of B. asper myotoxin II and Bothrops moojeni myotoxin II, which have extremely low phospholipase A2 activity.
  • (7) The time-course and composition of inflammatory infiltrate in mouse gastrocnemius injected with Bothrops asper venom was studied.
  • (8) Also, the organization of these asperities is directly related to cellular cytoskeletal elements.
  • (9) The neutralization of two myotoxic phospholipases A2 from the venom of Bothrops asper, myotoxins I and II, by two murine monoclonal antibodies is reported.
  • (10) Seventeen batches of ICP antivenom were analyzed by EIA, using B. asper myotoxin II as antigen.
  • (11) No major differences in the DNase electrophoretic pattern were observed between individual venoms of adult B. asper specimens nor between lyophilized and frozen venoms.
  • (12) It is suggested that muscle regeneration is partially impaired after myonecrosis induced by Bothrops asper venom, probably due to the damage induced by this venom on muscle microvasculature and nerves.
  • (13) He used fine needle asperation or scraping of pathological tissue and hematoxylin-eosin staining of smears.
  • (14) Immunochemical results indicate a close immunological relationship between venoms of B. asper, B. nummifer and C. d. durissus collected in Honduras and Guatemala with those of the same species collected in Costa Rica.
  • (15) A new muscle damaging toxin, myotoxin II, was purified from the venom of Bothrops asper by ion-exchange chromatography on CM-Sephadex C-25.
  • (16) Ouchterlony immunodiffusion analysis of purified antibodies showed two precipitation bands with a pattern of complete immunologic identity between samples of crude B. asper venoms from specimens collected in the Atlantic and Pacific regions of Costa Rica.
  • (17) Myotoxin is an abundant component in adult B. asper venom.
  • (18) Five polyvalent antivenoms (Crotalidae; Orient, North, Central and South Africa) were tested for their ability to neutralize the thrombin-like activity of snake venoms (Bitis gabonica, Agkistrodon acutus, Bothrops asper, B. atrox, Crotalus adamanteus).
  • (19) A myotoxic, basic phospholipase A2 (pI greater than 9.5) with anticoagulant activity has been purified from the venom of Bothrops asper, and its amino acid sequence determined by automated Edman degradation.
  • (20) The effects of a myotoxic phospholipase A2 isolated from the venom of the crotaline snake Bothrops asper on skeletal muscle myofibrils were studied by histological, ultrastructural, immunohistochemical, and biochemical parameters.

Astringent


Definition:

  • (a.) Drawing together the tissues; binding; contracting; -- opposed to laxative; as, astringent medicines; a butter and astringent taste; astringent fruit.
  • (a.) Stern; austere; as, an astringent type of virtue.
  • (n.) A medicine or other substance that produces contraction in the soft organic textures, and checks discharges of blood, mucus, etc.

Example Sentences:

  • (1) The mouthwash study employed a 0.2% chlorhexidine gluconate solution, a 0.5% astringent solution and a control mouthwash.
  • (2) According to preference, a special astringent cream may be a suitable alternative to cotton inner gloves.
  • (3) There also appeared to be much greater scope for the use of astringents and effective preventative measures in addition to aural toilet.
  • (4) Other less astringent compounds (gallic and tartaric acids) had only slight effects on Isc.
  • (5) Electrophysiological recordings were made here from the whole chorda tympani nerve in gerbil to understand the interactive effect of astringent-tasting molecules with a broad spectrum of tastants including mono- and divalent salts, bitter compounds, acids, and sweeteners.
  • (6) However, aluminum chloride showed pronounced astringency and was the only compound to bring about rapid resolution of the signs and symptoms of athlete's foot in open-ended clinical trials.
  • (7) Their interactions with proteins, polysaccharides, and the alkaloid caffeine are discussed at the molecular level, and these fundamental properties are related to the quality of astringency that polyphenols possess.
  • (8) Facial moisturizers are part of the cosmetic category known as skin care products, which also includes other facial products such as astringents, toners, soaps, and bath products.
  • (9) A striking contrast was presented by France, which would not budge from an astringent and classic definition of what comprised the secular: a strict separation of religion from the state, or, for that matter, from the public domain.
  • (10) Equally effective astringent gingival deflection agents such as alum, aluminum sulfate, and aluminum chloride exert no systemic effects.
  • (11) Clays employed historically in the consumption of astringent acorns plus seven edible clays from Africa were examined in relation to the functional significance of human geophagy.
  • (12) The results indicated that washing the grain prior to cooking increased the consistency of the product and eliminated the astringency of the grain.
  • (13) The more astringent sensibility belongs, of course, to Dahl: one born of boarding-school bullying, extreme heroism in the second world war as a fighter ace and the death of a beloved child (to whom he dedicated The BFG).
  • (14) This study analyzes the therapeutic properties of the herbs they produced (such as diuretic, stimulant, narcotic, emetic, astringent), using a classification scheme based on the location of the botanical substance's effect vis-à-vis body boundaries and surfaces.
  • (15) and the aromatic, astringent 'pan' (leaves of Piper betel L.) chewed with it.
  • (16) The astringency of the drug was mainly due to proanthocyanidins with degrees of polymerization from 5-10, and these were also the astringent compounds of rhatany tea and tincture.
  • (17) While not appearing to act by the release of adrenal hormones, tannins may produce effects in a non-specific manner by their astringent properties on cell membranes thus affecting cell functions.
  • (18) Tasing panel work on these fractions shows that bitterness is predominantly associated with oligomeric procyanidins and astringency with polymeric procyanidins.
  • (19) The inhibition of some of these pathways may contribute to the astringent taste sensation.
  • (20) Yogurts with more than 5.6% protein were too firm and had an astringent flavor.

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