(n.) A white or pinkish crystalline substance, C6H5OH, produced by the destructive distillation of many organic bodies, as wood, coal, etc., and obtained from the heavy oil from coal tar.
(n.) Any one of the series of hydroxyl derivatives of which phenol proper is the type.
Example Sentences:
(1) The teeth were embedded in phenolic rings with acrylic resin.
(2) The presence of the expected C19 neutral and C18 phenolic steroids was confirmed.
(3) The effect of mycobacterial phenolic glycolipids from Mycobacterium leprae, M. bovis BCG, and M. kansasii on in vitro proliferative responses by human blood mononuclear cells from healthy BCG vaccinees was investigated.
(4) The chemistry involved reaction rate constant measurements of MSF hydrolysis and for reactions with phenolic, amine, oxime, hydroxamic acid, phenyl N-hydroxycarbamate, and hydroxylamine compounds and cupric imidazole and bipyridyl complexes.
(5) In the liver, the major site of benzene metabolism, benzene is converted by a cytochrome P-450-mediated pathway to phenol, the major metabolite, and the secondary metabolites, hydroquinone and catechol.
(6) Except in the case of the phenolic metabolite, structures were confirmed by direct comparison of electron impact mass spectra and chromatographic behaviour with those of authentic samples.
(7) It may be concluded that phenolization of the sympathetic nervous system provides the same results as surgical sympathectomy but has the advantage of lower morbidity and shorter hospitalization (24 h vs 10 days).
(8) It was hypothesized that the observed activity variation of the paracetamol analogues was based on the relative abilities of these compounds to undergo H atom loss at the phenolic oxygen, and on the relative stabilities of the resulting free-radical species.
(9) Lipopolysaccharide content correlated significantly with drug uptake and sensitivity, and it appeared to determine the degree of penetration of the cell envelope by these chlorinated phenols.
(10) Liberation of the polysaccharides from the carrier by treatment with aqueous phenol resulted in loss of the serological activity.
(11) Here we report that phenol hydroxylation to hydroquinone is also catalyzed by human myeloperoxidase in the presence of a superoxide anion radical generating system, hypoxanthine and xanthine oxidase.
(12) The 2-substituted phenoxy-6-methoxy-8-aminoquinolines (4-6) were afforded by reduction of the corresponding 8-nitroquinolines (1-3) which were obtained by condensation of 2-chloro-6-methoxy-8-nitroquinoline and substituted phenols.
(13) This report reviews the treatment of pilonidal sinus by phenol injection in 54 patients.
(14) One group of rats was made immunocompetent towards P. aeruginosa by intraperitoneal injection of phenol-killed P. aeruginosa while a second group remained naive to this organism.
(15) These data indicate that the phenolic hydroxyl groups of xanthomegnin might contribute to its uncoupling action on the oxidative phosphorylation of mitochondria.
(16) The coupled dienone-phenol re-arrangement and keto-enol tautomerism of this quinone methide produce the observed 3,4-dihydroxybenzaldehyde.
(17) The phenol metabolites benzoquinone and 1,2,4-benzenetriol both activated the glutathione transferase in microsomes 2-fold independently of added NADPH.
(18) The isolation of plant enzymes is frequently hampered by the presence of phenolic compounds, pigments and mucilages.
(19) An enzyme (EC 2.8.2.1) that catalyses the transfer of sulphate from adenosine 3'-phosphate 5'-sulphatophosphate to phenols was purified approx.
(20) Physico-chemical parameters of membranes of skeletal muscles' sarcoplasmic reticulum in antioxidant insufficiency, which was modelled by excluding alpha-tocopherol from the animals ration, and after treatment with phenol antioxidant ionol were studied.
Plastic
Definition:
(a.) Having the power to give form or fashion to a mass of matter; as, the plastic hand of the Creator.
(a.) Capable of being molded, formed, or modeled, as clay or plaster; -- used also figuratively; as, the plastic mind of a child.
(a.) Pertaining or appropriate to, or characteristic of, molding or modeling; produced by, or appearing as if produced by, molding or modeling; -- said of sculpture and the kindred arts, in distinction from painting and the graphic arts.
Example Sentences:
(1) The various evocational changes appear to form sets of interconnected systems and this complex network seems to embody some plasticity since it has been possible to suppress experimentally some of the most universal evocational events or alter their temporal order without impairing evocation itself.
(2) With the exception of PMMA and PTFE, all plastics leave a very heavy tar- and soot deposit after burning.
(3) The consequences of proved hypersensitivity in patients with metal-to-plastic prostheses, either present prior to insertion of the prosthesis or evoked by the implant material, are not known.
(4) We found that when neutrophils were allowed to settle into protein-coated surfaces the amount of O2- they generated varied with the nature of the protein: IgG greater than bovine serum albumin greater than plastic greater than gelatin greater than serum greater than collagen.
(5) FGF did not influence P production, while EGF clearly increased basal P production of the cells cultured on plastic.
(6) Alveolar macrophages (greater than 97% esterase positive) were isolated form bronchoalveolar lavage fluids by adherence onto plastic.
(7) During collection, the rat was restrained in a plastic holder where it was free to eat.
(8) The agency, which works to reduce food waste and plastic bag use, has already been gutted , with its budget reduced to £17.9m in 2014, down from £37.7m in 2011.
(9) Radiological examination provides more accurate indications for plastic surgery of the pelvic floor, influences the operative procedures and permits better evaluation of operative results.
(10) Unlike cells grown on plastic, RME cells grown on type I collagen were readily subculturable and serial subculture resulted in the cells undergoing 15-20 population doublings (5-6 passages) before exhibiting any loss of growth potential.
(11) In 36 patients plastic reconstruction of the urinary bladder, sphincter and urethra was performed with local tissues after the Young technic in the G. A. Bairov modification.
(12) This result contraindicates a general permissive-requisite role for forebrain NE for the mammalian brain's plasticity during its critical periods.
(13) Markram's papers on synaptic plasticity and the microcircuitry of the neural cortex were enough to earn him a full professorship at the age of 40, but his discoveries left him restless and dissatisfied.
(14) Thus functional plasticity in response to early experience appears to be a fundamental aspect of cortical development.
(15) A metal-plastic prosthesis was tested in positions and with forces considered applicable to arthritics.
(16) The surgeon must have an exact idea of this canal before undertaking operation for plastics of the hernial defect.
(17) HVc and RA grow during the subsong and plastic song periods of song development.
(18) Asymmetries occur less often whilst using the low-cervical-pull according to Sander, due to the reduced friction between the two plastic parts of this headgear system.
(19) This paper reports the findings of a national survey of Medical Schools and Plastic Surgery Units.
(20) Plastic surgery seems to be successful in mitral valve lesions, whereas lesions of the aortic valve are such that valve replacement is required.