(n.) Fine, dry particles of earth or other matter, so comminuted that they may be raised and wafted by the wind; that which is crumbled too minute portions; fine powder; as, clouds of dust; bone dust.
(n.) A single particle of earth or other matter.
(n.) The earth, as the resting place of the dead.
(n.) The earthy remains of bodies once alive; the remains of the human body.
(n.) Figuratively, a worthless thing.
(n.) Figuratively, a low or mean condition.
(n.) Gold dust
(n.) Coined money; cash.
(v. t.) To free from dust; to brush, wipe, or sweep away dust from; as, to dust a table or a floor.
(v. t.) To sprinkle with dust.
(v. t.) To reduce to a fine powder; to levigate.
Example Sentences:
(1) The antigenic composition of an extract of rat dust, as a source of aeroallergens for rat-sensitive individuals, has been investigated and compared to the antigenic composition of rat saliva and urine.
(2) At the end of the dusting period those animals treated with normally charged dust had significantly more chrysotile retained in their lungs than animals exposed to discharged dust.
(3) Differences between mean durations of dust exposure of workers with radiographic signs of lung fibrosis and those without such signs were statistically insignificant.
(4) Where the guanine content was more than or equal to 0.25% in the dry dust, mite numbers were higher than 10 mites per 0.1 g dust in 43 of the 44 samples.
(5) The contents of hexavalent chromium, Cr(VI), in grinding dust were undetectable.
(6) The results of pathohistologic investigations are objectively demonstrated through a chart of morphological traits, thus facilitating the identification of the diagnostical morphological traits caused by different industrial dusts.
(7) A clinical investigation was made between workers exposed to dried sewage sludge dust and age matched controls not exposed.
(8) The median exposure of total dust was well below the Swedish threshold value, and the exposure of mould and bacteria was also low.
(9) Mattress dusts from the beds of 51 asthmatic children with positive skin tests to house dust mite were assayed for Der p I, Fel d I and certain viable fungi.
(10) According to the quantitative analysis between threshold titers of skin test and RAST titers using house dust and HD mites allergens, specific IgE production shall be decreased in the patients over 40 years old.
(11) Both the observance of occupational limit-values for dusts and other harmful materials at the work place, which have effects on the respiration system, and the medical survey of workers with the use of special methods for examination of respiratory system are necessary.
(12) Further, investigation of electrokinetic properties of these dusts by electrophoretic quasielastic light scattering is described.
(13) We have recently demonstrated in vitro a potential biological mechanism which could occur in vivo upon inhaling airborne graon dust, thereby constituting a potential inflammatory insult to the respiratory tracts of grain workers.
(14) After allowance for the fact that regression analyses suggested that the proportion of tremolite in dust was probably 2.5 times higher in Thetford Mines, Quebec, than in Charleston, the results from both matched pair and stratification analyses of tremolite fibre concentrations in lung were almost the same as for chrysotile.
(15) In vitro exposure of macrophages and neutrophils to inorganic dusts can enhance their oxidative metabolism, however the effects of inorganic dust inhalation on lung-inflammatory cell-oxidative metabolism remain unknown.
(16) Fifty asthmatics, candidates for hyposensitization with the house dust mite Dermatophagoides pteronyssinus (Dp), went through a series of allergy tests to evaluate the sensitivity of different organs to Dp.
(17) Specified cytotoxicity and mutagenicity of coal dust extract (mixture of solvent extractions of bituminous coal nitrosated by NaNO2) were investigated because of the association of an excess risk of gastric cancer in coal miners.
(18) History is littered with examples of byelection sensations that soon turned to dust.
(19) Inhalant allergens as mite house dust, animal danders, pollens, molds and food allergens are considered, now, to be the most sensitizing agents.
(20) Water from the reactors that were the source of Sonoda's drink is being used to spray trees to limit the buildup of dust and prevent fires.
Particle
Definition:
(n.) A minute part or portion of matter; a morsel; a little bit; an atom; a jot; as, a particle of sand, of wood, of dust.
(n.) Any very small portion or part; the smallest portion; as, he has not a particle of patriotism or virtue.
(n.) A crumb or little piece of concecrated host.
(n.) The smaller hosts distributed in the communion of the laity.
(n.) A subordinate word that is never inflected (a preposition, conjunction, interjection); or a word that can not be used except in compositions; as, ward in backward, ly in lovely.
Example Sentences:
(1) Lung sections of rats exposed to quartz particles were significantly different.
(2) In oleate-labeled particles, besides phosphatidic acid the product of PLD action radioactivity was also detected in diglyceride as a result of resident phosphatidate phosphohydrolase, which hydrolyzed the phosphatidic acid.
(3) Subunits maintained under the above ionic conditions were compared with 30S and 50S particles at low (6 mM) magnesium concentration with respect to the reactivity of individual ribosomal proteins to lactoperoxidase-catalyzed iodination.
(4) Charcoal particles coated with the lipid extract were prepared and the suspension inoculated intravenously into mice.
(5) These observations suggest that the liver secretes disk-shaped lipid bilayer particles which represent both the nascent form of high density lipoproteins and preferred substrate for lecithin-cholesterol acyltransferase.
(6) Intramembrane particles (IMP) were quantitatively assessed in the perikaryal plasma membranes of infundibular neurons.
(7) The mode of ribosome degradation under this condition is discussed in terms of differential appearance of these intermediate particles.
(8) When commercial chickens are infected in most sensitive one-day age, the virus titre does not exceed the value of 10(12) particles per 1 ml of plasma.
(9) Interaction of viable macrophages with cationic particles at 37 degrees C resulted in their "internalization" within vesicles and coated pits and a closer apposition between many segments of plasmalemma than with neutral or anionic substances.
(10) A 2-fold increase in the dissolution rate was observed when the same number of particles was immobilized without macrophages.
(11) Photolysis of the photosystem I particles induces a progressive depletion of phylloquinone, however, photochemistry as assayed at room temperature by the photooxidation of P-700 is unaffected.
(12) Taking into account the calculated volume and considering the triangular image as one face of the particle, it is suggested that eIF-3 has the shape of a flat triangular prism with a height of about 7 nm and the above-mentioned side-lengths.
(13) Well defined surface projections could be found in all particle types.
(14) Type C-like particles were found inter- and intracellularly in gland and vessel lumina and scattered in the connective tissue.
(15) The intracellular distribution and interaction of 19S ring-type particles from D. melanogaster have been analysed.
(16) Viral particles in the cultures and the brain were of various sizes and shapes; particles ranged from 70 to over 160 nm in diameter, with a variable position of dense nucleoids and less dense core shells.
(17) In the absence of adequate data exclusively from studies of inhaled particles in people, the results of inhalation studies using laboratory animals are necessary to estimate particle retention in exposed people.
(18) Depletion of extracellular Ca2+ by EGTA [ethylene glycol-bis(beta-aminoethyl ether)-N,N,N'N'-tetraacetic acid] attenuated both [Ca2+]i increase and superoxide production induced by particles.
(19) Completed RNA chains were released from the subviral particles.
(20) Problems of calculations and predictions on more than two particles moving are known in mathematics and physics since a long time already.