What's the difference between butyl and synthetic?

Butyl


Definition:

  • (n.) A compound radical, regarded as butane, less one atom of hydrogen.

Example Sentences:

  • (1) The favourable properties of one of these agents - n-butyl 2-cyanoacrylate are presented by authors.
  • (2) tert-Butyl hydroaminoxyl is detected as a degradation product of the hydroxyl adduct from all spin traps.
  • (3) A red pigment produced by the actinomycete strain B 4358 was identified as butyl-meta-cycloheptylprodiginine (4) by 1H, 13C and correlation via long range coupling NMR spectra.
  • (4) These effects of t-butyl hydroperoxide on [9,10-3H]oleic acid incorporation are not affected by dissipating transmembrane gradients for calcium and potassium.
  • (5) Alphaxalone and endogenous steroid hormone metabolites inhibit the binding of [35S]-t-butyl bicyclophosphorothionate in some regions, enhance it in others and give biphasic concentration-dependence in others, apparently the result of algebraic summation of two effects involving regional-dependent enhancement or inhibition.
  • (6) The effect of subchronic feeding of 2,2'-oxamidobis[ethyl 3(3,5-di-tert-butyl-4-hydroxyphenyl) propionate], Naugard XL-1 (CAS number 70331-94-1), was studied in beagle dogs.
  • (7) Quantitative studies show that the amount of compound solubilized is proportional to the LPC concentration and that solubilization increases in the order ethyl, n-propyl and n-butyl ester.
  • (8) Treatment animals had the anastomoses and graft sealed with a suspension of N-butyl-2-cyanoacrylate and 1.2 g tobramycin powder (antibiotic glue, ANGL) after contamination.
  • (9) The most considerable realization of the hydrophobic interaction with the surroundings of the enzyme esteratic site was marked for n-butyl derivative (compound I).
  • (10) In addition, the effects of glutathione depletion by various biochemical means and of exogenous glutathione supplementation on the response of tubule segments to tert-butyl hydroperoxide exposure are described.
  • (11) A marked decrease in the coefficient of oleandomycin distribution in the system of the fermentation broth filtrate-butyl acetate was observed during the transfer from the 1st to the following extraction stages.
  • (12) Electron spin resonance (ESR) spin trapping methodology has been used to study the reactions of manganese dusts with glutathione, employing alpha-(4-pyridyl-1-oxide)-N-tert-butyl-nitrone (PBN) and 5,5-dimethyl-1-pyrroline-N-oxide (DMPO) as spin traps.
  • (13) SKF 38393 (1 microM)-stimulated adenylate cyclase activity was strongly reduced (by almost 60%) by the highly selective mu-agonist [D-Ala2, MePhe4, Gly-ol5]-enkephalin (DAGO; EC50 = 0.006 microM) and high concentrations of the selective delta-agonist [D-Ser2(O-tert-butyl), Leu5]-enkephalyl-Thr6 (DSTBU-LET; EC50 = 0.13 microM) but not by the selective delta-agonist [D-penicillamine2, D-penicillamine5]enkephalin (DPDPE).
  • (14) N-ethyl, N-n-propyl, N-n-butyl, N,N-di-n-propyl and N-n-propyl-N-n-butyl derivatives of 2-amino-6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene (ADTN) were screened for dopamine vascular agonist activity.
  • (15) Synthesis of 3-O-phytanyl-sn-glycero-1-phosphoryl-1'-sn-glycerol (monophytanyl ether analogue of lysophosphatidyl glycerol) was carried out by conversion of the above phosphotriester to the monosilver salt of the suitably blocked lysophosphatidic acid which was condensed with 1-iodo-2-O-t-butyl-3-O-benzyl-sn-glycerol.
  • (16) Photohemolysis was decreased by reduced glutathione (GSH) and reduced even more by butylated hydroxyanisole (BHA); sodium azide, superoxide dismutase and mannitol did not show a significant effect.
  • (17) Simple and rapid determination method for butylated hydroxyanisole [2(3)-tert-butyl-4-hydroxyanisole)] (BHA) (CAS no.
  • (18) Thereafter, they were divided into 6 groups and were maintained on diet containing either 2% butylated hydroxyanisole (BHA), 1% BHA, 1% butylated hydroxytoluene (BHT), 1% ethoxyquin (EQ) or 1% DL-alpha-tocopherol (alpha-TP) for 32 weeks.
  • (19) Mutagenicity of Salmonella TA98 and covalent binding to DNA of 3,3'-dichlorobenzidine (DCB) were used to assess the influence of di-tert.-butylated hydroxytoluene (BHT) on the in vitro activation of the arylamine by rat hepatic S9 metabolic systems.
  • (20) A 50% decrease was found in the ability of carcinogen-altered bronchi to act as a substrate for lipid peroxidation mediated by Adriamycin and an approximately 30% decrease for lipid peroxidation induced by t-butyl-hydroperoxide.

Synthetic


Definition:

  • (a.) Alt. of Synthetical

Example Sentences:

  • (1) Further analysis with two other synthetic peptides (212Cys to 222Glu and Cys X 221Ile to 236Glu) indicated that the dodecapeptide Ile-Glu-Phe-Gln-Lys-Asn-Asn-Arg-Leu-Leu-Glu mimicked either the whole or a major part of the neutralization epitope.
  • (2) Actinomycin D could suppress the effects of RSD feeding on the protein synthetic rate of some, but not of all, secretory proteins.
  • (3) We studied the haemodynamic (ultrasound Doppler flow probes) effects of synthetic atriopeptin II at natriuretic doses in conscious rats.
  • (4) With the stimulated liver being irradiated, the number of cells synthetizing DNA and entering into mitosis was seen reduced almost twice, whereas DNA synthesis and entering into mitosis were delayed, resp., by 4 and 6 hours.
  • (5) A rapid method is described for the purification and analysis of synthetic oligonucleotides, based on reversed-phase high-performance liquid chromatography.
  • (6) Binding studies with synthetic IL2-derived peptides revealed the location of the epitope, which is recognized by mAb BO-7: A peptide representing amino acid residues 59-72 (peptide 84) is strongly reactive with the antibody, while an overlapping peptide (residues 48-69) is not.
  • (7) Because the HRG level is increased in Child A liver cirrhosis, we suggest that other mechanisms, other than simply a decreased synthetic capacity of the liver, contribute to the changes in HRG levels in patients with liver disease.
  • (8) Blood acid-base status, serum electrolytes, and urine pH were examined in 64 infants and children with phenylketonuria (PKU) treated with three different low phenylalanine protein hydrolyzates (Aponti, Cymogran, AlbumaidXP) and two synthetic amino acid mixtures (Aminogran, PAM).
  • (9) Synthetic DNA corresponding to the hydrophobic domain of cytochrome b5 was enzymatically fused in-frame to cloned DNA corresponding to the C-terminus of the Escherichia coli enzyme, beta-galactosidase.
  • (10) An antibody was generated against a synthetic peptide corresponding to a region of the protein encoded by alpha o2 cDNA.
  • (11) Sephadex chromatography of fractions which co-eluted with synthetic oCRF-41 or hAVP contained CRF bioactivity and this bioactivity was potentiated when synthetic hAVP or oCRF-41, respectively, were added to the fractions.
  • (12) Binding of uPA to filters was blocked by a synthetic oligopeptide containing the known receptor binding region of native uPA.
  • (13) Dynamics in the changes was established among the workers from the production of "Synthetic rubber and latex", associated with the duration of occupational exposure to styrene and divinyl.
  • (14) We then used synthetic peptides spanning the active fragment to identify the primary sequence of the adhesive site as Leu-Arg-Glu (LRE): neurons attach to an immobilized LRE-containing peptide, and soluble LRE blocks attachment of neurons to the s-laminin fragment.
  • (15) The internal carotid diameters increased 20% to 30% for both the vein and synthetic patched arteries.
  • (16) Studies using serum from mice that had been immunized with synthetic peptides from the HIV envelope region suggested that this response is directed, at least in part, at several determinants of the transmembrane portion of the HIV envelope glycoprotein.
  • (17) The authors propose three regular procedures with which they are experienced: repair with a large retromuscular nonabsorbable synthetic tulle prosthesis for extensive epigastric eventrations, fillup aponeuroplasty using the sheath of the rectus abdominis associated with a premuscular patch in case of diastasis or of multiple superimposed orifices and suture associated with a small retromuscular auxiliary patch to treat small incisional hernias.
  • (18) The synthetic S-nitroso-thiol, S-nitroso-N-acetylcysteine, markedly inhibited platelet aggregation with an IC50 of 6 nM.
  • (19) Arteriosclerotic plaques were found in the aorta and arteries of rabbits given homocysteine thiolactone, methionine or homocysteic acid, both parenterally and in a synthetic diet.
  • (20) For each theory, a constraint on preformance is proposed based on interference between the "analytic" and "synthetic" pitch perception modes.