What's the difference between aromatization and refining?

Aromatization


Definition:

  • (n.) The act of impregnating or secting with aroma.

Example Sentences:

  • (1) In granulosa cells containing full aromatase activity, treatment with cortisol and dexamethasone did not inhibit aromatization of androstenedione to estrogens whereas two known aromatase inhibitors (dihydrotestosterone and 4-androstene-3, 6, 17-trione) were effective.
  • (2) The chemical shift changes observed on the binding of trimethoprim to dihydrofolate reductase are interpreted in terms of the ring-current shift contributions from the two aromatic rings of trimethoprim and from that of phenylalanine-30.
  • (3) Enzyme-inhibiting ability for individual alkylphenols can be estimated based on the quantitative structure-activity relationship developed by Dewhirst (1980) and is a function of the free hydroxyl group, electron-donating ring substituents, and hydrophobic aromatic ring substituents.
  • (4) N-heterocyclic aromatics are environmentally important carcinogenic pollutants produced by incomplete combustion of organic material.
  • (5) Deviations from isotropic motion observed for the non-aromatic moieties are discussed.
  • (6) Aromatic adducts present in the digest that were resistant to nuclease P1 were thus 32P-labelled while unmodified nucleotides were not.
  • (7) The possible occupational cause of the disease, as more solvents in the mud have the structure of aromatic hydrocarbons is discussed.
  • (8) Interaction between aromatic diamidines (pentamidine, propamidine, and stilbamidine) and nucleic acids were studied to elucidate the mechanism underlying renal toxicity included by pentamidine in patients.
  • (9) The D-Phe peptides, which are cleaved especially rapidly by thrombin in water, have structures (in deuterated DMSO) in which the aromatic ring of the D-Phe residue is folded back over the Val or Pip residue.
  • (10) Results of enzyme immunoassay also showed that dipeptides composed of two aromatic amino acids were more inhibitory than dipeptides of which one residue was aromatic amino acid.
  • (11) The enzyme has a significant preference for substrates with a P1 Phe over those with the other aromatic amino acids Tyr and Trp.
  • (12) Their absorption spectra are at sufficiently long wavelength to be unobscured by cellular chromophores such as nucleotides and aromatic amin acids.
  • (13) As experimental findings indicated inhibitory action of aromatic retinoid on microtubule polymerisation and collagen metabolism of mesenchymal cells, we decided to treat 5 patients suffering from progressive systemic sclerosis as well as 3 patients with Sharp's syndrome with aromatic retinoid (Tigason).
  • (14) 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.
  • (15) The complexes are produced by attachment of a carbon of the butenolide ring to an aromatic carbon of the nitro compound with formation of a charge-delocalized cyclohexadienate anion.
  • (16) Aromatization of [3H]androstenedione and [3H]19-hydroxyandrostenedione to [3H]estrone has been demonstrated to occur in one to two week old primary monolayer cultures of fetal rat hypothalamus.
  • (17) 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.
  • (18) The greater frequency of dysovulation in obese women, notably those who put on weight rapidly, is accompanied by numerous hormonal changes, including reduced sex hormone-binding globulin, increased ovarian and adrenal androgen production, increased peripheral aromatization of androgens to oestrogens, and altered gonadotropin pulsatile secretion.
  • (19) R-(+)-Nicotine is a substrate Km = 1.42 X 10(-5)M for an SAM-dependent guinea pig lung aromatic azaheterocycle N-methyltransferase, whereas S-(-)-nicotine acts as a competitive inhibitor (Ki = 6.25 X 10(-5)M) of the N-methylation of its antipode.
  • (20) In the group of patients with the hyperkinetic form the most significant changes were seen for valine, methionine, serine, alanine and cystine, while as the spectrum of aminoacids of the aromatic line is practically unchanged.

Refining


Definition:

  • (p. pr. & vb. n.) of Refine

Example Sentences:

  • (1) The patients had a high AP, consumed more alcohol, were more well-fed, older and consumed more refined carbohydrates per 1 kg bw and less cholesterol and vegetable protein.
  • (2) After restrained least-squares refinement of the enzyme-substrate complex with the riboflavin omitted from the model, additional electron density appeared near the pyrophosphate, which indicated the presence of an ADPR molecule in the FAD binding site of PHBH.
  • (3) Well-refined x-ray structures of the liganded forms of the wild-type and a mutant protein isolated from a strain defective in chemotaxis but fully competent in transport have provided a molecular view of the sugar-binding site and of a site for interacting with the Trg transmembrane signal transducer.
  • (4) To meet these prerequisites we have introduced some technical refinements: (1) computer-controlled rectilinear translations of the target in combination with different angular positions of the source and (2) computer-controlled rotations of the target around a vertical axis in combination with different angular positions of the source.
  • (5) Percutaneous transhepatic biliary drainage (PTBD) was conceptualized more than 35 years ago, but its clinical application only flourished in the past 10 years after a number of technical refinements.
  • (6) In 1984 the press-fit condylar knee was first introduced and was intended to provide a condylar knee system primarily for posterior cruciate retention that addressed refinements in metallurgy, prosthetic geometry and sizing, cementless fixation, inventory management, and instrumentation.
  • (7) Obviously, the sheer number of lasers being used both clinically and experimentally indicates a great potential for further advancement and refinement in technique and surgical outcomes.
  • (8) Phases from x-ray structure factors (R = 0.43) computed from this model were then used in the calculation of another electron density map against which the model was further refined.
  • (9) Staging classifications are being refined to reflect increasing knowledge of important prognostic indicators, e.g., absence or presence of lymph node involvement, pattern of lymph node involvement, and absence or presence of visceral disease.
  • (10) The ordered aspect of the genetic code table makes this result a plausible starting point for studies of the origin and evolution of the genetic code: these could include, besides a more refined optimization principle at the logical level, some effects more directly related to the physico-chemical context, and the construction of realistic models incorporating both aspects.
  • (11) The structure of Mn(III) superoxide dismutase (Mn(III)SOD) from Thermus thermophilus, a tetramer of chains 203 residues in length, has been refined by restrained least-squares methods.
  • (12) Based on the refined atomic coordinates of the tRNAphe in the orthorhombic crystal, on the recent advances in the distance dependence of the ring-current magnetic field effects and on the adopted values for the isolated hydrogen-bonded NH resonances, a computed spectrum consisting of 23 protons was constructed.
  • (13) It can be used as a simple screening procedure to help determine which of many possible anthelmintic control strategies should be selected for more detailed examination in the field, and it provides a theoretical framework within which ideas concerning the epidemiology of parasitic gastroenteritis can be assessed and refined.
  • (14) The advances in lid and orbital surgery are due to the improvements made in diagnostic equipment and to technical refinements.
  • (15) The group’s refining business performed better than expected, more than doubling profit to $2.2bn from $1bn.
  • (16) They also suggest that both the migration of cortical neurons on glia and the refinement of the mapping between the peripheral whisker field and its cortical representation may depend upon the distribution of substrate adhesion molecules.
  • (17) Thus the present study gives support for a protective effect associated with a fiber-rich or vegetable-rich diet, while it indicates that frequent consumption of refined starchy foods, eggs and fat-rich foods such as cheese and red meat is a risk factor for colo-rectal cancer.
  • (18) Synthesis and discussion is focused on five major areas in which gerontological continuity and change are evidenced: 1) transformation of basic themes over time; 2) gerontology's identity crisis; 3) the social ideology of gerontology; 4) evolution and refinement of gerontological ideas and methods; and 5) temporal frameworks.
  • (19) The course content and format were refined after 11 pharmacists completed a pilot program.
  • (20) This has led to important advances in our understanding of the mechanism of axonal guidance, the physiology of neurotrophic factors and the establishment and refinement of neural connections.

Words possibly related to "aromatization"