What's the difference between hydrocarbon and wax?

Hydrocarbon


Definition:

  • (n.) A compound containing only hydrogen and carbon, as methane, benzene, etc.; also, by extension, any of their derivatives.

Example Sentences:

  • (1) The high transition enthalpy for kerasin is ascribed to a lesser accommodation of gauche conformers in the hydrocarbon chains just below the transition temperature.
  • (2) Aryl hydrocarbon hydroxylase (AHH) inducibility, carbon monoxide in expired air (CO), serum gammaglutamyl-transferase (GGT), and total cholesterol were compared in equal-sized, age-matched samples of healthy middle-aged males born in 1921, 1934-1936, and 1946 attending the ongoing preventive medical population program in Malmö.
  • (3) The length of the hydrocarbon chains of the surface-modified silica supports had no significant influence on the selectivity.
  • (4) The specificity of binding to microsomal proteins of metabolically activated hydrocarbons has been studied.
  • (5) Aryl hydrocarbon (benzo(a)pyrene) hydroxylase is present and inducible in Buffalo rat liver cells in culture.
  • (6) The possible occupational cause of the disease, as more solvents in the mud have the structure of aromatic hydrocarbons is discussed.
  • (7) Experiments with a series of adsorbents homologous with CPAD-Sepharose, in which the length of the hydrocarbon chain was varied, provided strong evidence of hydrophobic interactions, in addition to ionic interactions, in the binding of these proteins to CPAD-Sepharose.
  • (8) In the hydrocarbon promotion study, dose related increases were observed in the incidence of ACF in male rats promoted with UG or 50 ppm TMP for 24 or 60 weeks.
  • (9) The results also demonstrated that there was not any apparent correlation between the receptor-binding avidities and in vitro monooxygenase enzyme-induction potencies for the most active polynuclear aromatic hydrocarbons.
  • (10) Both main-stream and side-stream cigarette smoke condensates and some fractions, containing water-soluble bases, water-insoluble bases, and polycyclic aromatic hydrocarbons, were found to induce AHH activity in lung and liver, the lung being induced to the greatest extent.
  • (11) Pancreas transplantation offers the possibility of preventing the development and progression of diabetic lesions by adequate control of hydrocarbon metabolism.
  • (12) A comparison of the relative cytosolic Ah (9S) receptor binding affinities and aryl hydrocarbon hydroxylase (AHH) induction potencies of these hydrocarbons with their 4S protein binding affinities demonstrated the following: five compounds, namely 1,2,5,6-dibenz[a]-anthracene, 1,2,3,4-dibenz[a]anthracene, picene, benzo[a]pyrene and 3-methylcholanthrene exhibited high to moderate binding affinities for the 4S and 9S cytosolic proteins (EC50 values less than 10(-6) M) and induced AHH in rat hepatoma cells; three compounds, namely perylene, benzo[e]pyrene and benzo[g,h,i]perylene exhibited high affinities for the 4S binding protein (1.25 X 10(-7), 4.4 X 10(-8) and 2.9 X 10(-8) M, respectively) and low affinities (EC50 values greater than 10(-5) M) for the Ah receptor protein; moreover these three compounds did not induce AHH in rat hepatoma H-4-II E cells in culture.
  • (13) It was found that HBSAg was strongly bound to straight hydrocarbon chains with more than seven carbon atoms.
  • (14) The parent hydrocarbons and the related K-region dihydrodiols induced some sister-chromatid exchanges but they were considerably less active than these two non-K-region diols.
  • (15) The effect of various fuel additives on the ability of platinum-palladium catalytic converters to remove the carbon monoxide and hydrocarbon components of automotive exhaust has been examined.
  • (16) Other chlorinated hydrocarbons as decachlorobiphenyl, pentachloronaphthalene, hexachloronaphthalene and hexachlorostyrene were identified, but not quantified.
  • (17) It has been estimated that natural oil seeps may also contribute as much as 10% of the hydrocarbons in the global marine environment.
  • (18) The metabolic fate of the carcinogenic aza-aromatic hydrocarbon 7-methyl[7-(14)C]benz[c]acridine (14C-7MBAC) was studied in hepatocytes freshly isolated from untreated, phenobarbital-pretreated and 3-methylcholanthrene-pretreated rats.
  • (19) Renal cytochrome P450, aryl hydrocarbon hydroxylase, 7-ethoxycoumarin-O-deethylase, and benzphetamine N-demethylase were increased after partial hepatectomy by 84%, 360%, 165% and 406%, respectively.
  • (20) Antioxidants devoid of hydrocarbon tails, are 10-20 fold more potent LPO inhibitors than the corresponding AOs with hydrocarbon tails.

Wax


Definition:

  • (v. i.) To increase in size; to grow bigger; to become larger or fuller; -- opposed to wane.
  • (v. i.) To pass from one state to another; to become; to grow; as, to wax strong; to wax warmer or colder; to wax feeble; to wax old; to wax worse and worse.
  • (n.) A fatty, solid substance, produced by bees, and employed by them in the construction of their comb; -- usually called beeswax. It is first excreted, from a row of pouches along their sides, in the form of scales, which, being masticated and mixed with saliva, become whitened and tenacious. Its natural color is pale or dull yellow.
  • (n.) Hence, any substance resembling beeswax in consistency or appearance.
  • (n.) Cerumen, or earwax.
  • (n.) A waxlike composition used for uniting surfaces, for excluding air, and for other purposes; as, sealing wax, grafting wax, etching wax, etc.
  • (n.) A waxlike composition used by shoemakers for rubbing their thread.
  • (n.) A substance similar to beeswax, secreted by several species of scale insects, as the Chinese wax. See Wax insect, below.
  • (n.) A waxlike product secreted by certain plants. See Vegetable wax, under Vegetable.
  • (n.) A substance, somewhat resembling wax, found in connection with certain deposits of rock salt and coal; -- called also mineral wax, and ozocerite.
  • (n.) Thick sirup made by boiling down the sap of the sugar maple, and then cooling.
  • (v. t.) To smear or rub with wax; to treat with wax; as, to wax a thread or a table.

Example Sentences:

  • (1) The role of whole Mycobacteria, mycobacterial cell walls and waxes D as immunostimulants was well established many years ago.
  • (2) This study shows that the sensitivity and specificity of in situ hybridisation for the detection of EBV genomes in AIDS related lymphomas approaches that of Southern blotting, even when using routinely processed archival, paraffin wax embedded material.
  • (3) "The new feminine ideal is of egg-smooth perfection from hairline to toes," she writes, describing the exquisite agony of having her fingers, arms, back, buttocks and nostrils waxed.
  • (4) These were not observed in area 5, although here the distribution of callosal neurons waxed and waned in the tangential cortical plane.
  • (5) The equations of best fit of log(wax esters) vs age suggested that sebum secretion declines about 23% per decade in men and 32% per decade in women.
  • (6) Mycobacterium avium-intracellulare (MAI) can utilize paraffin wax as the sole carbon source in basal media.
  • (7) The separation of the defect margins from the reacting material by wax inhibited the bone regeneration.
  • (8) Wax D also induced small accumulations of macrophages.
  • (9) In all these cuticles the tubular filaments arise from the plasma membrane of the epidermal cells and they contain argentaffin material, regarded as sclerotin precursors, and lipid-staining material, regarded as wax precursors.
  • (10) The probe tip was a gold-plated pin, insulated from the saliva by soft wax.
  • (11) The new Poles are generally optimistic and open-minded, believing their destiny to be in their own hands, that Poland shouldn't be prisoner to its past and that the future waxes bright for their country.
  • (12) It is recommended to apply cast fillings with a replacement of the occlusive area as quickly after the wax mould as possible because of the diminished gap due to the motion of the teeth.
  • (13) Acrolein-fixed, polyester wax-embedded tissue sections showed excellent preservation of light microscopic architecture and, when stained with toluidine blue, intense color contrast between DNA, which stained orthochromatically, and RNA, which stained metachromatically.
  • (14) The use of the technique of wax-plate serial section-reconstruction, based on contiguous axial plane CT images of the upper thorax, to prepare a replica of the central air-way (trachea and major bronchi) of an infant with sling left pulmonary artery type 2B, with bridging bronchus, abortive right main bronchus, and tracheal stenosis due to absence of the tracheal pars membranacea with "ring" tracheal cartilages is described.
  • (15) When David Tennant was waxing eloquent in that legal drama The Escape Artist, no one yelled out from the jury that his watch looked bloody expensive.
  • (16) We describe a simple technique of inflation and wax impregnation for the permanent proof of congenital heart defects that can be used in routine perinatal necropsies.
  • (17) Nasopharyngeal biopsy specimens, formalin fixed and paraffin wax embedded, from 24 patients, eight with undifferentiated nasopharyngeal carcinoma, eight with well differentiated squamous carcinoma, and eight showing normal tissue histology, were analysed for the presence of Epstein-Barr virus (EBV) DNA by slot-blot hybridisation on extracted unamplified DNA, and also after amplification of EBV specific sequences by the polymerase chain reaction (PCR).
  • (18) The wax contains a wide range of organic compounds.
  • (19) "There are plenty of things she can wax lyrical about without getting into tricky areas: the upcoming first world war centenary, the need for a more global outlook in the economy, the inspiring achievements of British parliamentary democracy."
  • (20) Free sterols, sterol esters, triglycerides, phospholipids were major components of cercarial lipids, triglycerides, wax esters, free fatty acids, squalen were major components of skin surface lipids.