• The considerable increase in strength, albeit phenols are still very weak acids, is due to the stabilisation of the 'phenoxide' anion by the negative charge being delocalised to some extent by the pi orbitals benzene (aromatic ring) - illustrated below. (docbrown.info)
  • Phenol can also be metabolized to catechol and trihydroxy benzene. (cdc.gov)
  • Exogenous ochronosis, in which bluish black pigmentation of cartilage is noted iatrogenically by exogenous agents, has been seen after exposure to noxious substances, including phenol, trinitrophenol, benzene, and hydroquinone. (medscape.com)
  • TY - JOUR T1 - Analysis of the major antigenic determinants of the characteristic phenolic glycolipid from Mycobacterium leprae. (unboundmedicine.com)
  • This study determined the effect that the irrigation dosage and cluster thinning showed over the antioxidant activities and total phenols in grapes, and phenolic profile and chromatic characteristics of cv. (intechopen.com)
  • Chemical injuries are commonly encountered following exposure to acids and alkali, including hydrofluoric acid (HF), formic acid, anhydrous ammonia, cement, and phenol. (medscape.com)
  • Phenol is further converted into hydroquinone, which is oxidized to benzoquinone. (cdc.gov)
  • Phenols are organic compounds that feature a hydroxyl group directly bonded to an aromatic carbocyclic ring. (sigmaaldrich.com)
  • The main classes of organic compounds also give a distribution different for the particulate (phenols associated to aromatic compounds) and the colloidal (aromatic compounds and sugars). (agronomy-journal.org)
  • Anthocyanin content, antioxidant activity and total phenols as well as color characteristics of PFSP were determined by UV/visible or fluorescence spectrophotometry and chromametry. (scialert.net)
  • PFSP Powders processed by directly freeze-drying or first steaming and then freeze- or hot air-drying contained anthocyanins at 0.94-0.97 mg g -1 , Oxygen Radical Absorbance Capacity (ORAC) at 70.0-93.0 μmole Trolox g -1 , Trolox Equivalent Antioxidant Capacity (TEAC) at 11.8-12.7 μmole Trolox g -1 and total phenols at 4-5 mg gallic acid g -1 dry weight. (scialert.net)
  • PFSP powder processed by hot air-drying without steaming lost 65% of anthocyanin content, 35% of antioxidant activity and 40% of total phenols. (scialert.net)
  • The present work reports for the first time the HPLC analysis and in vitro antioxidant evaluation of mango peel phenols (MPPs) and their cytotoxic effect on the A549 lung cancer cell line. (mdpi.com)
  • This study clearly demonstrated that both the onion varieties possess very characteristic antioxidant potential that will help us in keeping good health. (scirp.org)
  • organic bases (amines) neutral (esters, ketones, aldehydes, ethers, etc) Organic acids, organic bases, and neutral organic compounds can be readily separated from each other on the basis of their acid-base characteristics. (bartleby.com)
  • Furthermore, Korean ginseng has been identified to contain more main non-saponin compounds, phenol compounds, acid polysaccharides and polyethylene compounds than American ginseng and Sanchi ginseng. (nih.gov)
  • The rio Negro has low discharge, high levels of TOC% for the two fractions, high levels of polysaccharides, low levels of lignin phenols and high levels of hydroxybenzyl non-lignin phenols. (agronomy-journal.org)
  • Enfin, en aval du confluent, la fraction colloidale présente des niveaux remarquables de composés dérivés des lignines associés à des teneurs en polysaccharides croissantes avec la distance au point de confluence. (agronomy-journal.org)
  • Substantial amounts of anthocyanins, phenols, flavonoids and ascorbic acid were noticed in both the varieties. (scirp.org)
  • The total polysaccharide contents were determined by a colorimetric method, the main classes of organic compounds by pyrolysis and gas chromatography coupled with mass spectrometry (Py-GC-MS), and the lignin or non-lignin phenols by cupric oxide alkaline oxidation and high performance liquid chromatography (HPLC) with photodiode array spectrophotometer detection. (agronomy-journal.org)
  • The sorption isotherms of the components on cellulose from water-organic mixtures are obtained, immersion heats of cellulose in water-DMSO and water-AN mixtures and heats of phenol dissolution in the above-mentioned mixtures are measured. (novapublishers.com)
  • It is shown that sorption of the components of binary water-organic mixtures and phenol sorption from these mixtures on cellulose depend on the intermolecular interactions in the water-DMSO and water-AN solutions. (novapublishers.com)
  • A low-viscosity mobile phase consisting of compressed trial organic matter in geosciences because the composition carbon dioxide is used in SFC to achieve fast and efficient of its phenols is an important indicator of the type of original separation. (lu.se)
  • Humic substances are classified into three derived phenols generated by CuO oxidation are based on subcategories: humin, humic acid, and fulvic acid, based on GC-MS, HPLC with diode array detection (DAD) and CE- extractability at different pH values [3]. (lu.se)
  • Enzyme immobilized onto the macroporous copolymer with the pore size diameter of 234 nm showed a substantial degree of phenol removal achieved by immobilized peroxidase. (ac.rs)
  • Smoke exposure can cause a substantial increase in volatile phenols-such as guaiacol and 4-methylguaiacol-which are absorbed through grape skins and can result in wine characterized by overwhelming smoke and ash traits. (mossadams.com)
  • The physical and chemical characteristics of the prepared PACs were investigated by BET adsorption, SEM, and FT-IR. (hindawi.com)
  • Small-scale fermentations and sensory and chemical analysis can also help assess for smoke-exposure characteristics. (mossadams.com)
  • Calafat AM, Weuve J, Ye XY, Jia LT, Hu H, Ringer S, Huttner K, Hauser R. Exposure to Bisphenol A and Other Phenols in Neonatal Intensive Care Unit Premature Infants external icon . (cdc.gov)
  • Currently there are no citations for VH 101 phenol-alkylC6-amine. (tocris.com)
  • Low to moderate strength hop character (spicy, herbal, or floral) optionally blended with background level peppery, spicy phenols. (brewersfriend.com)
  • Up to 25% of patients with alkaptonuria do not have the characteristic dark urine staining, and many patients remain undiagnosed until adulthood. (medscape.com)
  • Phenols are very weakly acid when dissolved in water. (docbrown.info)
  • There is usually no reaction with sodium hydrogencarbonate, although more strongly acidic than alcohols, phenols are still weaker than 'carbonic acid' and will not liberate carbon dioxide from carbonate or hydrogencarbonate ions. (docbrown.info)
  • Phenol solution can be used for a wide variety of molecular biology applications, including nucleic acid extractions using standard phenol-chloroform protocols. (sigmaaldrich.com)
  • Alkaptonuria is a rare genetic disorder in which there is a deficiency of the enzyme homogentisic acid oxidase, resulting in the accumulation of homogentisic acid and a characteristic blue-black discoloration of the skin and cartilage, called ochronosis. (medscape.com)
  • Comparison of Modified Manual Acid-Phenol Chloroform Method and Commercial RNA Extraction Kits for Resource Limited Laboratories. (medscape.com)
  • 39. Which grain or malt type is often reflected in the following beer styles, and briefly describe the characteristics: porter, pale ale, stout. (brewery.org)
  • The hop bitterness is medium-high to medium-low, and is optionally enhanced by low to very low amounts of peppery phenols. (brewersfriend.com)
  • Objectives: To provide estimates of obesity by demographic characteristics and urbanization level and to examine trends in obesity prevalence by urbanization level. (cdc.gov)
  • 3. Similar demographic characteristics to the patient group to minimize confounding factors. (who.int)
  • This test was developed and its performance characteristics determined by NMS Labs. (nmslabs.com)
  • Lab testing is one method to measure the levels of volatile phenols, but labs are currently inundated and have backlogs of samples to test-leaving many vineyards and wineries in limbo as they make decisions to harvest and produce wine. (mossadams.com)
  • Six primers were designed and synthesized with master mix reagents, and a phenol red indicator was applied to promote LAMP technique. (who.int)
  • The main aim of this research was to examine the effect of HS on DNA isolation depending on the soil type and land use, taking into account the spectroscopic full characteristics of HS fractions. (peerj.com)
  • CYP96T1 was also shown to catalyzed formation of the para-ortho' phenol coupled product, N -demethylnarwedine, as less than 1% of the total product. (frontiersin.org)
  • The thermodynamic characteristics of phenol dissolution as well as sorption character on cellulose change drastically at concentrations corresponding to change of character of cluster formation in water-DMSO and water-AN mixtures. (novapublishers.com)
  • 1989). In the first pathway involving ring hydroxylation, opening of the epoxide ring is followed by aromatization resulting in formation of phenol. (cdc.gov)
  • Hops are moderate to assertive, showing a range of American, New World, or English characteristics. (bjcp.org)
  • 5. What properties and characteristics does the brewmaster expect from hops? (brewery.org)
  • Phenols content: Minimum 65 % (V/V). (iso.org)
  • Phenol-chloroform extraction is a broadly used method for the extraction of nucleic acids. (sigmaaldrich.com)
  • and Galanthus elwesii we have identified a para-para' C-C phenol coupling cytochrome P450, CYP96T1, capable of forming the products (10b R ,4a S )-noroxomaritidine and (10b S ,4a R )-noroxomaritidine from 4′- O -methylnorbelladine. (frontiersin.org)
  • After you have identified all the SDSs with red flags and hazardous qualifiers as depicted in the flowchart and have added them to the SDS Library, the remaining SDSs need to be compared to the various lists and characteristics of items requiring hazardous waste disposal to help ensure your SDS Library is complete. (avma.org)
  • The high separation power and short analysis time obtained demonstrate for the first time that supercritical fluid chromatography is a fast and reliable technique for the analysis of lignin-derived phenols in complex environmental samples. (lu.se)
  • 6. Describe the characteristics of a Rauchbier, and tell how and where it is made. (brewery.org)
  • 38. Describe the typical major taste characteristics of a foreign extra stout. (brewery.org)
  • These results highlight the need to include some of the key volatile compounds into a more adapted quality control, in order to describe the characteristic sensory properties of Tahitian vanilla but also those from other origins. (intechopen.com)
  • ABSTRACT We carried out a comparative study to assess the demographic and social characteristics of water pipe (WP) smokers, the association with cigarette smoking and chronic respiratory diseases and the dependence profile on 4 groups: exclusive WP smokers, exclusive cigarette smokers, mixed smokers and absolute non-smokers. (who.int)
  • The interviewer gave a brief introduction pilot study was to assess the demographic to the objective of the study, and explained and social characteristics of WP smok- it as being a study regarding WP smok- ers compared to non-WP smokers, the as- ing. (who.int)
  • Is the product characteristic waste as described in the RCRA? (avma.org)
  • Crinine and its derivatives are also derived from a para-para' C-C phenol coupling, however, the phenol-coupled product is the enantiomer, (10b S ,4a R )-noroxomaritidine. (frontiersin.org)
  • An example of an ortho-para ' C-C phenol-coupling product is lycorine, derived from noroxopluvine. (frontiersin.org)
  • Yang Y, Huang Z, Niu X, Xu H, Li Y, Liu W. Clinical characteristics and risk factors analysis of lung metastasis of benign giant cell tumor of bone. (medscape.com)
  • We retrospectively reviewed consecutive cases of mucormycosis reported from a tertiary-care center in India to determine the clinical and mycologic characteristics of emerging Rhizopus homothallicus fungus. (cdc.gov)
  • Dr. Marco-Urrea's main task will be the investigation of the physiological and biochemical characteristics of strain CBDB1 in an isotopic and proteomic context. (helmholtz.de)
  • Strain CBDB1 is a remarkable organism that can transform highly chlorinated dioxins, biphenyls, phenols and benzenes. (helmholtz.de)
  • Phenol solution is a clear liquid saturated with citrate buffer. (sigmaaldrich.com)
  • The Standard specifies the following characteristics of the oil. (iso.org)
  • Constraints and possible physiological feedbacks are considered for successful and sustainable application of agricultural techniques with respect to management of plant phenol profiles and concentrations. (mdpi.com)
  • The technological status of this industry, including generic characteristics of liquefaction technology, commercial application, and government sponsored programs and technology is reviewed. (cdc.gov)