(1) Both in the rock samples and in dust fibrous antigorite, a mineral of strong cancerogenic properties, was found.
(2) The mineral assemblage includes antigorite or lizardite as well as chrysotile and tremolite.
(3) In an animal study, fibrogenic, carcinogenic and mutagenic activity of antigorite was similar to the biological aggressiveness of crocidolite.
(4) Intraperitoneal injections of zeolite-klinoptilolite and gamma-alumina led to development of peritoneal mesotheliomas, whereas antigorite and cement had no carcinogenic potential.
(5) Diffractometric and infrared absorption spectra tests identified this mineral as antigorite.
(6) In hamster tracheal epithelial (HTE) cells, fibers such as chrysotile asbestos, crocidolite asbestos, and Code 100 fiberglass caused increased release of 51Chromium in comparison to the particles antigorite, riebeckite and glass.
(7) In these studies, cloned diploid hamster tracheal epithelial cells were examined in a number of short term (3-24 h) and long term (greater than 24 h) biological assays for their responsiveness to crocidolite asbestos in comparison to other fibers (chrysotile asbestos, Code 100 fiberglass) and particulates (riebeckite, antigorite, glass beads).
(8) Stimulation of ODC was not observed when nonfibrous analogues (riebeckite, antigorite, and glass particles) were used.
(9) However, the process of lung fibrosis when affected by antigorite from Nasławice was slower than under effects of antigorite from Szklary, which may result from almost 10 times fewer numbers of fibrous particles in the dust obtained from antigorite from Nasławice.
(10) Asbestosis was frequently diagnosed in workers employed at mining and processing of nickel ore containing admixtures of fibrous antigorite.
(11) All soil samples contained antigorite--a mineral the structure of which is close to that of chrysotile asbestos add exhibiting high biological aggressiveness.
(12) Asbestos fibers (chrysotile, antigorite and tremolite) were found in three of the six areas.
(13) Nonfibrous mineral dusts antigorite, basalt, cement, zeolite-klinoptilolite and gamma-alumina were tested for carcinogenic activity in rat experiments.
Serpentine
Definition:
(a.) Resembling a serpent; having the shape or qualities of a serpent; subtle; winding or turning one way and the other, like a moving serpent; anfractuous; meandering; sinuous; zigzag; as, serpentine braid.
(n.) A mineral or rock consisting chiefly of the hydrous silicate of magnesia. It is usually of an obscure green color, often with a spotted or mottled appearance resembling a serpent's skin. Precious, or noble, serpentine is translucent and of a rich oil-green color.
(n.) A kind of ancient cannon.
(v. i.) To serpentize.
Example Sentences:
(1) Non-occupational exposure of the population living in the vicinity of the serpentine mining and processing mill in Nasławice was assessed.
(2) In October 2013, for a group exhibition at London’s Serpentine Gallery , they published a report called Youth Mode: A Report on Freedom , one chapter of which was entitled “Normcore”.
(3) The rock consists essentially of the fibrous serpentine mineral chrysotile (asbestos) and platy serpentines.
(4) The Serpentine's Poetry Marathon talks last year gave us 47 men and 18 women, as did its Manifesto Marathon the previous year.
(5) A few details of their plans have been revealed including the indication of it being the Serpentine's lowest pavilion ever, with the roof barely 1.5 metres (5ft) off the ground.
(6) Serpentine vessels were well seen as flow voids against high signal cyst or tumor on T2-weighted images, but contrast-enhanced CT also demonstrated them.
(7) A Swiss, Hans-Ulrich Obrist, is the co-director of the Serpentine Gallery.
(8) We present a case of cerebral giant serpentine aneurysm (GSA) and propose a definition of GSA.
(9) This giant serpentine aneurysm is a rather rare disease.
(10) In 10 years, only one solo woman architect, Zaha Hadid, has sketched the Serpentine's garden tent.
(11) Multiple extremely low-intensity serpentine "flow void" signs, indicating afferent and efferent vessels, were observed within or around the tumor.
(12) But later came work as diverse as The Maybe (1995) featuring the actor Tilda Swinton lying in a glass vitrine in the Serpentine Gallery, in London; a melted silver dollar drawn into wire so thin it was as long as the Empire State Building is tall; the wrapping of Rodin's The Kiss in a mile of string; and a 40-minute video of Parker interviewing Noam Chomsky.
(13) Angiograms in each case revealed a distinctive serpentine vascular channel surrounded by an avascular area causing a "mass effect."
(14) Environmental factors: The drinking-water pool in northern California is contaminated with asbestos of the serpentine type, which is associated with mesothelioma of the peritoneum and carcinoma of the lung, gallbladder, and pancreas.
(15) A simple and effective method of temporary tarsorrhaphy, which is referred to as intermarginal serpentine temporary tarsorrhaphy, is presented.
(16) Two cases of serpentine supravenous hyperpigmentation developing in the area of fotemustine infusions are reported.
(17) In some macaque species, transcervical aspiration of the uterine contents carries a significant risk of disturbing the cervical milieu due to the serpentine nature of the cervix.
(18) Overseas, he designed the United Nations secretariat in New York, the Communist party headquarters in Paris and Serpentine gallery summer pavilion in Hyde Park, London.
(19) Turn another, and you gaze on the royal park with the glories of the Serpentine.
(20) That led to a commission from the Serpentine Gallery, and performances in Paris and Moscow.