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K M Pruitt et al.
Analytical biochemistry, 191(2), 278-286 (1990-12-01)
Because of the important biological functions of peroxidases, there is growing interest in the measurement of their concentrations in various secretions. At present, there is no standard method which allows for comparisons in reported activities. This report describes procedures which
Toshio Mimurai et al.
Biomedical research (Tokyo, Japan), 26(4), 139-145 (2005-09-13)
Guaiacol, which is a phenolic compound with a methoxy group and used in traditional dental pulp sedation, has the property of inducing cell proliferation. To clarify these mechanisms of guaiacol, this study examined the hydroxyl radical (*OH) scavenging effects of
Satoko Shimizu et al.
Journal of agricultural and food chemistry, 60(26), 6471-6476 (2012-06-15)
The reactivity of lignin during alkaline delignification was quantitatively investigated focusing on the effect of the structural differences between syringyl and guaiacyl aromatic nuclei and between erythro and threo in the side chain of β-O-4 type lignin substructure on the
Nasser M Al-Daghri et al.
BMC complementary and alternative medicine, 12, 202-202 (2012-11-01)
Drugs used both in classical chemotherapy and the more recent targeted therapy do not have cancer cell specificity and, hence, cause severe systemic side effects. Tumors also develop resistance to such drugs due to heterogeneity of cell types and clonal
Simon Döhrmann et al.
Infection and immunity, 82(10), 4011-4020 (2014-07-16)
Streptococcal collagen-like protein 1 (Scl-1) is one of the most highly expressed proteins in the invasive M1T1 serotype group A Streptococcus (GAS), a globally disseminated clone associated with higher risk of severe invasive infections. Previous studies using recombinant Scl-1 protein
Chunhui Ma et al.
Molecules (Basel, Switzerland), 19(12), 20821-20838 (2014-12-17)
Sustainable development of renewable resources is a major challenge globally. Biomass is an important renewable energy source and an alternative to fossil fuels. Pyrolysis of biomass is a promising method for simultaneous production of biochar, bio-oil, pyroligneous acid (PA), and
Ruckminee Mall et al.
Preparative biochemistry & biotechnology, 43(2), 137-151 (2013-01-11)
A soluble and thermostable peroxidase enzyme (POD) was extracted from the leaf of Citrus medica. The enzyme was purified 15.10-fold with a total yield of 28.6% by ammonium sulfate precipitation followed by Sephadex G-100 gel filtration chromatography. The purified enzyme
Rosanna Tofalo et al.
Journal of food science, 77(9), M545-M549 (2012-08-23)
The question if the "Brett character" is a favorable wine attribute is one of the most controversial issues and it is currently addressed by many researches. Actually, the presence of Brettanomyces/Dekkera in wine during barrel aging is often associated to
Carmen Arce et al.
European journal of medicinal chemistry, 55, 475-479 (2012-08-04)
The action of (Z)-N-(2-bromo-5-hydroxy-4-methoxybenzylidene)-2-methylpropan-2-amine oxide (RP6) on rat cortical neurons in culture, under oxygen-glucose-deprivation conditions, is reported. Cortical neurons in culture were treated during 1 h with OGD. After, they were placed under normal conditions during 24 h (reperfusion) in absence and
Mohammad Hossein Habibi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 105, 563-568 (2013-01-29)
Computational and spectroscopic properties of a novel Schiff base compound, 3-hydroxy-4-methoxybenzylidene(2-hydroxyphenyl)amine were studied. The crystal structures of the title compound and its corresponding zwitterionic form were analyzed by X-ray diffraction. The presence of N-H, C-O and C=N stretching vibrations in
Woo-Cheol Sim et al.
Biochemical pharmacology, 90(4), 414-424 (2014-06-24)
Collaborative regulation of liver X receptor (LXR) and sterol regulatory element binding protein (SREBP)-1 are main determinants in hepatic steatosis, as shown in both animal models and human patients. Recent studies indicate that selective intervention of overly functional LXRα in
Marina T Tomovic et al.
Acta poloniae pharmaceutica, 72(1), 137-145 (2015-04-09)
Potentilla species have been used in traditional medicine in the treatment of different ailment, disease or malady. Potentilla reptans (P. reptans) has been scarcely studied. The aim of this study was to test antioxidant and anti-inflammatory activity of P. reptans
Feng Li et al.
Food chemistry, 135(2), 332-337 (2012-08-08)
Hexahydrocurcumin, 1-dehydro-[6]-gingerdione, 6-dehydroshogaol and 6-shogaol were evaluated for their antioxidant and anti-inflammatory activities in the present study. The relative antioxidant potencies of ginger compounds decreased in similar order of 1-dehydro-[6]-gingerdione, hexahydrocurcumin>6-shogaol>6-dehydroshogaol in both 1,1-diphenyl-2-picyrlhydrazyl (DPPH) radical-scavenging and trolox equivalent antioxidant
Tao Liu et al.
The Analyst, 139(17), 4315-4321 (2014-07-06)
The rapid and sensitive detection of Alicyclobacillus acidoterrestris (AA) has become very important due to the frequent occurrence of fruit juice spoilage by AA. In the present study, using guaiacol, both as the metabolic product of AA related to its
Belén Max et al.
Applied biochemistry and biotechnology, 168(8), 2268-2284 (2012-10-19)
Debaryomyces hansenii NRRL Y-7426 metabolised ferulic acid into different phenolic compounds using a factorial design where glucose concentration (in the range of 1-20 g/L), peptone concentration (2-20 g/L) and yeast extract concentration (0.2-10 g/L) were the independent variables. The interrelationship between dependent and
Igor Cesarino et al.
Plant physiology and biochemistry : PPB, 62, 1-10 (2012-11-20)
Secreted class III peroxidases (EC are implicated in a broad range of physiological processes throughout the plant life cycle. However, the unambiguous determination of the precise biological role of an individual class III peroxidase isoenzyme is still a difficult
Eva Ramírez et al.
Journal of agricultural and food chemistry, 62(39), 9569-9575 (2014-09-12)
The main Spanish table olive varieties supplied by different olive cooperatives were investigated for their polyphenol compositions and the endogenous enzymes involved in their transformations during two growing seasons. Olives of the Manzanilla variety had the highest concentration in total
Heidi Contreras et al.
The Journal of biological chemistry, 289(26), 18279-18289 (2014-05-24)
Mycobacterium tuberculosis has evolved various mechanisms by which the bacterium can maintain homeostasis under numerous environmental assaults generated by the host immune response. M. tuberculosis harbors enzymes involved in the oxidative stress response that aid in survival during the production
Zhi-Feng Li et al.
Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 35(9), 1438-1441 (2013-03-05)
To study the chemical constituents of Coptis chinensis. The compounds were separated and purified by column chromatography and their structures were identified by spectroscopic methods. Seven compounds were isolated from the chloroform extract of Coptis chinensis, whose structures were determined
Alok K Gupta et al.
BMC plant biology, 12, 158-158 (2012-09-04)
Silene latifolia and its pollinator, the noctuid moth Hadena bicruris, represent an open nursery pollination system wherein floral volatiles, especially veratrole (1, 2-dimethoxybenzene), lilac aldehydes, and phenylacetaldehyde are of key importance for floral signaling. Despite the important role of floral
Junqing Zhang et al.
Fitoterapia, 89, 149-156 (2013-04-16)
Isolation, screening and in vivo assays have been used for evaluating anti-diarrhea bioactive of Alpinia oxyphylla. Preliminary experimental results showed that 95% ethanol extract and 90% ethanol elution significantly extended the onset time of diarrhea and reduced the wet feces
Xiuling Xu et al.
Carcinogenesis, 35(11), 2457-2466 (2014-08-03)
Acquired chemoresistance is a major challenge in cancer therapy. While the oncoprotein Mucin-1 (MUC1) performs multiple roles in the development of diverse human tumors, whether MUC1 is involved in acquired chemoresistance has not been determined. Using an acquired chemoresistance lung
Sonica Sondhi et al.
PloS one, 9(5), e96951-e96951 (2014-05-30)
A novel extracellular thermo-alkali-stable laccase from Bacillus tequilensis SN4 (SN4LAC) was purified to homogeneity. The laccase was a monomeric protein of molecular weight 32 KDa. UV-visible spectrum and peptide mass fingerprinting results showed that SN4LAC is a multicopper oxidase. Laccase
Paola S González et al.
Environmental science and pollution research international, 20(3), 1310-1317 (2012-09-11)
Phenolic compounds are contaminants frequently found in water and soils. In the last years, some technologies such as phytoremediation have emerged to remediate contaminated sites. Plants alone are unable to completely degrade some pollutants; therefore, their association with rhizospheric bacteria
Simultaneous, stability indicating, HPLC-DAD determination of guaifenesin and methyl and propyl-parabens in cough syrup.
Grosa G, et al.
Journal of Pharmaceutical and Biomedical Analysis, 41(3), 798-803 (2006)
Marija T Popovic-Milenkovic et al.
Acta poloniae pharmaceutica, 71(2), 279-285 (2014-10-03)
Hawthorn has been present for a long time in traditional medicine as antihypertensive, hypolipidemic, anti-inflammatory, gastroprotective, antimicrobial agent. Hawthorn can be used for the cure of stress, nervousness but there is no published paper about actions of Crataegus nigra Wald.
William J Hunter et al.
Current microbiology, 65(6), 752-757 (2012-09-19)
We investigated the conversion of ferulic acid to 4-vinylguaiacol (4-VG), vanillin, vanillyl alcohol, and vanillic acid by five Enterobacter strains. These high-value chemicals are usually synthesized by chemical methods but biological synthesis adds market value. Ferulic acid, a relatively inexpensive
Rebekah C Gullberg et al.
Virology, 475, 219-229 (2014-12-17)
Flaviviruses are 5' capped positive-stranded RNA viruses that replicate their genomes within endoplasmic reticulum-derived vesicles. Flaviviruses are well known to induce oxidative stress late in infection but it is unknown if oxidative stress plays a positive role in the viral
Thi Dieu Huyen Nguyen et al.
Bioresource technology, 170, 196-203 (2014-08-20)
The catalytic conversion of suspended LignoBoost Kraft lignin was performed in near-critical water using ZrO2/K2CO3 as the catalytic system and phenol as the co-solvent and char suppressing agent. The reaction temperature was varied from 290 to 370°C and its effect
Pingxi Xu et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(46), 16592-16597 (2014-10-29)
Insect repellents are important prophylactic tools for travelers and populations living in endemic areas of malaria, dengue, encephalitis, and other vector-borne diseases. DEET (N,N-diethyl-3-methylbenzamide) is a 6-decade-old synthetic repellent, which is still considered the gold standard of mosquito repellents. Mosquitoes
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