What's the difference between octadecanoic and stearic?
Octadecanoic
Definition:
Example Sentences:
(1) ONS, because of its unusual polar headgroup, resembled hexadecanoic acid more than octadecanoic acid.
(2) Two homologs of 9-chloro-10-methoxy(9-methoxy-10-chloro) fatty acids were found in adipocere from the human neonate, and identified as 9-chloro-10-methoxy(9-methoxy-10-chloro)hexadecanoic acid and 9-chloro-10-methoxy(9-methoxy-10-chloro)-octadecanoic acid.
(3) Cultures of a yeast mutant, deficient in the synthesis of unsaturated fatty acids, were supplemented with either stearolic acid or with any one of three octadecanoic acids having a cis double bond 6, 9, or 11 carbons away from the acyl group.
(4) The cellular fatty acid compositions of all the Plesiomonas strains were identical and characterized by the presence of hexadecanoate (16:0) (33%), hexadecenoate (16:1) (28%), octadecenoate (18:1) (9%), and octadecanoate (18:0) (6%).
(5) Dodecanoic (lauir) acid was the predominant fatty acid (greater than 60%) in neutral lipids from all three media, with lesser amounts of tetradecanoic, hexadecanoic, and octadecanoic acids.
(6) The non-hydroxylated fatty acid profile of one rare beta-lactam susceptible strain (SC1) was different; 10-methylene octadecanoic acid was lacking whereas tuberculostearic acid was much more abundant.
(7) Finally, 25 and 29 were transformed, via selective reduction of the azide group, condensation with octadecanoic acid, O-deacylation, and hydrolysis of the methyl ester group, into 28 and 32, respectively.
(8) Kinetic analyses reveal a pronounced substrate specificity for unsaturated octadecanoic fatty acids, with ethyl ester synthetic rates of 2400 nmol mg-1 h-1 (linoleic), 2400 nmol mg-1 h-1 (oleic), 400 nmol mg-1 h-1 (arachidonic), 300 nmol mg-1 h-1 (palmitic), and 100 nmol mg-1 h-1 (stearic).
(9) Glycosylation of (2S,3R,4E)-2-azido-3-O-benzoyl-4-octadecene-1,3-diol with 15, 17, 19, and 21 in the presence of boron trifluoride etherate afforded the expected beta glycosides, which were transformed in good yields, via selective reduction of the azido group, coupling with octadecanoic acid, O-deacylation, and de-esterification, into the target compounds.
(10) Mixtures of triglycerides containing deuterium-labeled hexadecanoic acid (16:0), octadecanoic acid (18:0), cis-9-octadecenoic acid (9c-18:1), cis-9,cis-12-octadecadienoic acid (9c, 12c-18:2) and cis-12,trans-15-octadecadienoic acid (12c,15t-18:2) were fed to two young-adult males.
(11) Force-area isotherms were obtained for hexadecanoic, octadecanoic, eicosanoic, and docosanoic acid monolayers at different compression rates.
(12) Octadecanoic acid, 3-hydroxytetradecanoic acid as well as small quantities of 3-hydroxydodecanoic acid were also identified.
(13) Of the radioactivity administered to rats orally as cis-9,10-methylene [9,10-3H2]octadecanoic acid methyl ester, about 50% could be recovered from the lymph of the thoracic duct within 9 h. Intraperitoneal administration of cis-9,10-methylene octodecanoic acid methyl ester to rats gave the same metabolites.
(14) The fatty acid composition of the major unidentified phospholipid distinctly differed from those of other lipids including PE, LPE, DPG and CE, and comprised mainly tetradecadienoic (53.6%), tetradecatrienoic (14.0%) and octadecanoic (13.8%) acids.
(15) Surprisingly, a relatively large quantity of 10-methylene octadecanoic acid was found.
(16) About 90% of the dose was recovered unchanged in the urine within 24 h. Intragastric administration of cis-9,10-methylene [9,10-3H2]octadecanoic acid to rats gave four labeled urinary metabolites.
(17) Whereas hexadecanoic acid was made de novo, octadecanoic acid and icosanoic acid were synthesized by elongation.
(18) The fatty acids of CMAEP consisted mainly of palmitic, iso-octadecanoic, and 2-hydroxy iso-heptadecanoic acids.
(19) The fatty acids were separated and their molecular weights determined by GC-MS. Fourteen of them were identified as heptenoic acid, tetradecanoic acid, pentadecanoic acid, hexadecanoic acid, octadecenoic acid, octadecanoic acid, octadecadienoic acid, linolenic acid, eicosanoic acid, eicosenoic acid and docosanoic acid, etc.
(20) Among lipids of taxonomic value, saturated and unsaturated straight chain fatty acids (14 to 18 carbon atoms), tuberculostearic acid (10-methyl octadecanoic acid) and mycolic acids were present.
Stearic
Definition:
(a.) Pertaining to, or obtained from, stearin or tallow; resembling tallow.
Example Sentences:
(1) The amount of stearic acid liberated was much larger than that of arachidonic acid between 30 s and 1 min of ischemia.
(2) Thyroid hormone stimulation of Ca2+-ATPase was significantly decreased by stearic and oleic acids (10(-9)-10(-4) M), but also by elaidic, linoleic, palmitoleic and myristic acids.
(3) On the other hand, saturated fatty acid, stearic acid, affected neither aggregation nor cyclic AMP levels.
(4) Stearic acid (18:0) was significantly increased and eicosapentaenoic acid (20:5 n-3) was slightly but significantly decreased in the patient's platelets.
(5) Whole cells were prelabeled for 2 h with [3H]arachidonic acid and [14C] stearic acid.
(6) At a given plasma concentration the entry rate of palmitic acid in pregnant sheep was greater than that of stearic acid in non-pregnant sheep.
(7) During incubation at 27 degrees C, B cells converted 3- to 5-fold more stearic acid (18:0) to 18:1 and showed a greater accumulation of monounsaturated phospholipid molecular species than did T cells.
(8) Stearic (18:0) and oleic (18:1) acids inhibited the colony-forming abilities of five human cancer cell lines and two non-neoplastic cell lines in a dose-dependent fashion.
(9) on the losses of membrane fatty acids (palmitic, stearic, oleic, linoleic, and arachidonic), the plasma membrane enzyme Na+, K+-ATPase, and the mitochondrial membrane enzyme Mg2+-ATPase, associated with global ischemia 24 hr after permanent unilateral occlusion of the carotid artery in Mongolian gerbils.
(10) Blood mixtures containing palmitic, stearic, and oleic acids were inactive.
(11) The relative percentages of total saturated fatty acids in 1,2-diacyl-sn-glycero-3-phosphocholine remained constant during liver development; however, the levels of both main saturated acids, palmitic and stearic acids, were reciprocally counterbalanced as the age of the embryo proceeded.
(12) Intermembranous translocation of membrane-bound radioactive lipids covalently labelled with 5-, 12, and 16-doxyl stearic acid was studied.
(13) Protection against CCl4 by dmPGE2, stearic, and oleic acids as well as high concentrations of ethanol may occur by altering the metabolism of CCl4.
(14) Mineral oil, soybean oil, peanut oil, a combination of aluminium monostearate, stearic acid and mineral oil as well as isotonic saline were infused intracisternally in cows during mid-lactation.
(15) The incorporation of newly formed stearic acid into microsomes was much higher than that into the added phosphatidylcholine dispersion.
(16) The organization of the lipid environment of the reconstituted cytochrome c oxidase, having a well-defined lipid composition, morphology, and a high specific activity, was examined by electron spin resonance spectroscopy using 2-(14-carboxytetradecyl)-2-ethyl-4,4-dimethyl-3-oxazolidinyloxyl (16-doxyl stearic acid) and 16-doxyl stearic acid - containing phosphatidylglycerol.
(17) The solubility of the first label,2,2,6,6-tetramethylpiperidin-1-oxyl, is correlated with the membrane fluidity which is measured using a stearic acid spin probe.
(18) In Chloroflexus, palmitic, stearic, and oleic acids predominated.
(19) By 24 h the percentage of palmitic and stearic acids had decreased to 45.6%.
(20) The results confirmed the earlier postulated differential utilization of palmitic and stearic acids in glycerolipid biosynthesis as well as supported the hypothesis of a precursor-product relationship between the oligoenoic and tetranoic species of both phosphatides.