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Journal articles on the topic 'Naphthalene Salicylic acid Environmental degradation'

Author: Grafiati

Published: 4 June 2021

Last updated: 12 February 2022

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1

Kuiper, Irene, Lev V. Kravchenko, Guido V. Bloemberg, and Ben J. J. Lugtenberg. "Pseudomonas putida Strain PCL1444, Selected for Efficient Root Colonization and Naphthalene Degradation, Effectively Utilizes Root Exudate Components." Molecular Plant-Microbe Interactions® 15, no. 7 (2002): 734–41. http://dx.doi.org/10.1094/mpmi.2002.15.7.734.

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Previously, we have described the selection of a plant-bacterium pair that is efficient in rhizoremediating naphthalene pollution in microcosm studies. After repeated selection for efficient root tip colonization upon inoculation of seeds of grass cv. Barmultra and for stable and efficient growth on naphthalene, Pseudomonas putida PCL1444 was selected as the most efficient colonizer of Barmultra roots. Here, we report the analysis of Barmultra root exudate composition and our subsequent tests of the growth rate of the bacterium and of the expression of the naphthalene degradation genes on indi

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2

Chowdhury, Piyali Pal, Jayita Sarkar, Soumik Basu, and Tapan K. Dutta. "Metabolism of 2-hydroxy-1-naphthoic acid and naphthalene via gentisic acid by distinctly different sets of enzymes in Burkholderia sp. strain BC1." Microbiology 160, no. 5 (2014): 892–902. http://dx.doi.org/10.1099/mic.0.077495-0.

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Burkholderia sp. strain BC1, a soil bacterium, isolated from a naphthalene balls manufacturing waste disposal site, is capable of utilizing 2-hydroxy-1-naphthoic acid (2H1NA) and naphthalene individually as the sole source of carbon and energy. To deduce the pathway for degradation of 2H1NA, metabolites isolated from resting cell culture were identified by a combination of chromatographic and spectrometric analyses. Characterization of metabolic intermediates, oxygen uptake studies and enzyme activities revealed that strain BC1 degrades 2H1NA via 2-naphthol, 1,2,6-trihydroxy-1,2-dihydronaphtha

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3

Meckenstock, Rainer U., Eva Annweiler, Walter Michaelis, Hans H. Richnow, and Bernhard Schink. "Anaerobic Naphthalene Degradation by a Sulfate-Reducing Enrichment Culture." Applied and Environmental Microbiology 66, no. 7 (2000): 2743–47. http://dx.doi.org/10.1128/aem.66.7.2743-2747.2000.

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ABSTRACT Anaerobic naphthalene degradation by a sulfate-reducing enrichment culture was studied by substrate utilization tests and identification of metabolites by gas chromatography-mass spectrometry. In substrate utilization tests, the culture was able to oxidize naphthalene, 2-methylnaphthalene, 1- and 2-naphthoic acids, phenylacetic acid, benzoic acid, cyclohexanecarboxylic acid, and cyclohex-1-ene-carboxylic acid with sulfate as the electron acceptor. Neither hydroxylated 1- or 2-naphthoic acid derivatives and 1- or 2-naphthol nor the monoaromatic compounds ortho-phthalic acid, 2-carboxy-

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4

Foght, J. M., and D. W. S. Westlake. "Expression of dibenzothiophene-degradative genes in two Pseudomonas species." Canadian Journal of Microbiology 36, no. 10 (1990): 718–24. http://dx.doi.org/10.1139/m90-121.

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The genes encoding dibenzothiophene (DBT) degradation in Pseudomonas alcaligenes strain DBT2 were cloned into plasmid pC1 by other workers. This plasmid was conjugally transferred into a spontaneous variant of Pseudomonas sp. HL7b (designated HL7bR) incapable of oxidizing DBT (Dbt− phenotype). Acquisition of plasmid pC1 simultaneously restored oxidation of DBT and naphthalene to the transconjugant, although the primary DBT metabolite produced by transconjugant HL7bR(pC1) corresponded to that produced by wild-type strain DBT2 rather than that from wild-type strain HL7b. Inducers of the naphthal

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5

Poonthrigpun, Siriwat, Kobchai Pattaragulwanit, Sarunya Paengthai, et al. "Novel Intermediates of Acenaphthylene Degradation by Rhizobium sp. Strain CU-A1: Evidence for Naphthalene-1,8-Dicarboxylic Acid Metabolism." Applied and Environmental Microbiology 72, no. 9 (2006): 6034–39. http://dx.doi.org/10.1128/aem.00897-06.

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ABSTRACT The acenaphthylene-degrading bacterium Rhizobium sp. strain CU-A1 was isolated from petroleum-contaminated soil in Thailand. This strain was able to degrade 600 mg/liter acenaphthylene completely within three days. To elucidate the pathway for degradation of acenaphthylene, strain CU-A1 was mutagenized by transposon Tn5 in order to obtain mutant strains deficient in acenaphthylene degradation. Metabolites produced from Tn5-induced mutant strains B1, B5, and A53 were purified by thin-layer chromatography and silica gel column chromatography and characterized by mass spectrometry. The r

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6

Goi, A., Y. Veressinina, and M. Trapido. "Degradation of salicylic acid by Fenton and modified Fenton treatment." Chemical Engineering Journal 143, no. 1-3 (2008): 1–9. http://dx.doi.org/10.1016/j.cej.2008.01.018.

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7

Xu, Peng, Wencheng Ma, Hongjun Han, Baolin Hou, and Shengyong Jia. "Characterization of naphthalene degradation by Streptomyces sp. QWE-5 isolated from active sludge." Water Science and Technology 70, no. 6 (2014): 1129–34. http://dx.doi.org/10.2166/wst.2014.356.

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A bacterial strain, QWE-5, which utilized naphthalene as its sole carbon and energy source, was isolated and identified as Streptomyces sp. It was a Gram-positive, spore-forming bacterium with a flagellum, with whole, smooth, convex and wet colonies. The optimal temperature and pH for QWE-5 were 35 °C and 7.0, respectively. The QWE-5 strain was capable of completely degrading naphthalene at a concentration as high as 100 mg/L. At initial naphthalene concentrations of 10, 20, 50, 80 and 100 mg/L, complete degradation was achieved within 32, 56, 96, 120 and 144 h, respectively. Kinetics of napht

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8

Lu, Yi Chen, Shuang Zhang, and Hong Yang. "Acceleration of the herbicide isoproturon degradation in wheat by glycosyltransferases and salicylic acid." Journal of Hazardous Materials 283 (February 2015): 806–14. http://dx.doi.org/10.1016/j.jhazmat.2014.10.034.

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9

Olmez-Hanci, Tugba, Idil Arslan-Alaton, and Ozlem Gelegen. "Photo-Fenton-like treatment of K-acid: assessment of treatability, toxicity and oxidation products." Water Science and Technology 70, no. 6 (2014): 1056–64. http://dx.doi.org/10.2166/wst.2014.330.

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Photo-Fenton-like treatment of the commercially important naphthalene sulphonate K-acid (2-naphthylamine-3,6,8-trisulphonic acid) was investigated using UV-C, UV-A and visible light irradiation. Changes in toxicity patterns were followed by the Vibrio fischeri bioassay. Rapid and complete degradation of K-acid accompanied with nearly complete oxidation and mineralization rates (&gt;90%) were achieved for all studied irradiation types. On the other hand, detoxification was rather limited and did not change significantly during photo-Fenton-like treatment. Several oxidation products could be

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10

SHUNXING, L., Z. FENGYING, C. WENLIAN, H. AIQIN, and X. YUKUN. "Surface modification of nanometer size TiO2 with salicylic acid for photocatalytic degradation of 4-nitrophenol." Journal of Hazardous Materials 135, no. 1-3 (2006): 431–36. http://dx.doi.org/10.1016/j.jhazmat.2005.12.010.

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11

Li, Yuejin, Xili Shang, Changhai Li, Xiaoming Huang, and Jingjing Zheng. "Novel p–n junction UiO-66/BiOI photocatalysts with efficient visible-light-induced photocatalytic activity." Water Science and Technology 77, no. 5 (2018): 1441–48. http://dx.doi.org/10.2166/wst.2018.026.

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Abstract Novel visible-light-induced UiO-66/BiOI photocatalysts with a p–n junction structure have been prepared for the first time through a facile hydrothermal method. The prepared photocatalysts were characterized using the powder X-ray diffraction, high resolution transmission electron microscopy, scanning electron microscopy, UV–visible diffuse reflectance spectra, and N2 adsorption–desorption (Brunauer–Emmett–Teller) techniques respectively. The photodegradation performances of UiO-66/BiOI photocatalysts were evaluated by photodegrading salicylic acid under visible-light irradiation. The

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12

Ding, Mingmei, Wei Chen, Hang Xu та ін. "Novel α-Fe2O3/MXene nanocomposite as heterogeneous activator of peroxymonosulfate for the degradation of salicylic acid". Journal of Hazardous Materials 382 (січень 2020): 121064. http://dx.doi.org/10.1016/j.jhazmat.2019.121064.

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13

Vilhunen, S. H., and M. E. T. Sillanpää. "Atomic layer deposited (ALD) TiO2 and TiO2−x-Nx thin film photocatalysts in salicylic acid decomposition." Water Science and Technology 60, no. 10 (2009): 2471–75. http://dx.doi.org/10.2166/wst.2009.660.

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Degradation of salicylic acid (SA) with thin film photocatalyst, titanium dioxide (TiO2) and nitrogen-doped TiO2 (TiO2−x-Nx) combined with ultraviolet (UV) radiation was studied. TiO2 film with thickness of 15 and 65 nm was tested. The TiO2−x-Nx film had thickness of 15 nm on top of TiO2 (50 nm). Photocatalysts were prepared on glass substrate by atomic layer deposition (ALD) technique. The effect of initial pH (3–10) was studied with SA concentration of 10 mg/l. Decomposition of SA was fastest at pH 6 with both films and the rate was equal at initial pH values 3 and 4.3. However, at higher pH

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14

Li, Xiaozhou, Danliu Peng, Yue Zhang, Duan Ju, and Chunfeng Guan. "Achromobacter sp. PHED2 enhances the phenanthrene degradation and stress tolerance in maize involving the participation of salicylic acid." Environmental Technology & Innovation 21 (February 2021): 101365. http://dx.doi.org/10.1016/j.eti.2021.101365.

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15

Bracco, Estefania, Matías Butler, Patricio Carnelli, and Roberto Candal. "TiO2 and N-TiO2-photocatalytic degradation of salicylic acid in water: characterization of transformation products by mass spectrometry." Environmental Science and Pollution Research 27, no. 23 (2019): 28469–79. http://dx.doi.org/10.1007/s11356-019-06045-6.

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16

Wang, Junhong, Xianzhao Shao, Junhai Liu, Xiaohui Ji, Jianqi Ma, and Guanghui Tian. "Fabrication of CdS-SBA-15 nanomaterials and their photocatalytic activity for degradation of salicylic acid under visible light." Ecotoxicology and Environmental Safety 190 (March 2020): 110139. http://dx.doi.org/10.1016/j.ecoenv.2019.110139.

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17

Schönerklee, M., M. Peev, H. De Wever, T. Reemtsma, and S. Weiss. "Modelling the degradation of micropollutants in wastewater: parameter estimation and application to pilot (laboratory-scale) MBR data in the case of 2,6-NDSA and BTSA." Water Science and Technology 59, no. 1 (2009): 149–57. http://dx.doi.org/10.2166/wst.2009.590.

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The paper summarises the definition of an extended biokinetic model dedicated to micropollutant degradation in wastewater treatment and the parameter estimation methodology for this model. Additionally it describes results on experimental parameter estimation for two target micropollutants, naphthalene disulfonate (2,6-NDSA) and benzothiazole sulfonic acid (BTSA). Subsequently the parameterised model is applied to real operational data from two laboratory-scale (MBR) installations. The work presents the full chain of theoretical model development, model analysis and practical application to ca

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18

Hijosa-Valsero, M., V. Matamoros, R. Sidrach-Cardona, et al. "Influence of design, physico-chemical and environmental parameters on pharmaceuticals and fragrances removal by constructed wetlands." Water Science and Technology 63, no. 11 (2011): 2527–34. http://dx.doi.org/10.2166/wst.2011.500.

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The ability of several mesocosm-scale and full-scale constructed wetlands (CWs) to remove pharmaceuticals and personal care products (PPCPs) from urban wastewater was assessed. The results of three previous works were considered as a whole to find common patterns in PPCP removal. The experiment took place outdoors under winter and summer conditions. The mesocosm-scale CWs differed in some design parameters, namely the presence of plants, the vegetal species chosen (Typha angustifolia versus Phragmites australis), the flow configuration (surface flow versus subsurface flow), the primary treatme

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19

Jing, Chang, Wang Shaopo, Zhang Yaxue, et al. "Oxidation of salicylic acid in water by the O3 and UV/O3 processes: removal and reaction byproducts." Water Science and Technology 81, no. 4 (2020): 753–62. http://dx.doi.org/10.2166/wst.2020.155.

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Abstract In this study, the removal of salicylic acid (SA) in water by ozone (O3) and ultraviolet/ozone (UV/O3) processes was investigated. Results showed that more than 50% of SA (10 mg/L) could be effectively removed after 1 min during these two processes. However, the UV/O3 process was much more effective than the O3 process for SA mineralization, and the total organic carbon reduction after 30 min was 69.5% and 28.1%, respectively. In the two processes, the optimum pH value for SA removal was 4.3, while that for SA mineralization was 10.0. Both bicarbonate and dissolved organic carbon sign

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20

Cai, Shaokang, Shurong Zhang, Canzhu Gao, and Zhongfa Cheng. "Degradation of fluorescent dye-Solvent Green 7 (HPTS) in wastewater by advanced oxidation process." Water Science and Technology 82, no. 11 (2020): 2525–35. http://dx.doi.org/10.2166/wst.2020.534.

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Abstract Solvent Green 7 (HPTS) is a widely used fluorescent dye. As a kind of polycyclic aromatic hydrocarbon (PAHs) derivative, HPTS would cause pollution when it is discharged into the environment. This study adopted advanced oxidation processes (UV/H2O2) to degrade the HPTS in aqueous solution and investigated the effects of various factors on the degradation. The results showed that: the initial concentration and the fluorescence characteristics of HPTS reduced the degradation efficiency. When the oxidant concentration of H2O2 was 3 mg/L, the degradation efficiency and cost of HPTS (20 mg

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21

Zhuang, W. Q., J. H. Tay, A. M. Maszenan, and S. T. L. Tay. "Isolation of naphthalene-degrading bacteria from tropical marine sediments." Water Science and Technology 47, no. 1 (2003): 303–8. http://dx.doi.org/10.2166/wst.2003.0071.

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Oil pollution is a major environmental concern in many countries, and this has led to a concerted effort in studying the feasibility of using oil-degrading bacteria for bioremediation. Although many oil-degrading bacteria have been isolated from different environments, environmental conditions can impose a selection pressure on the types of bacteria that can reside in a particular environment. This study reports the successful isolation of two indigenous naphthalene-degrading bacteria from oil-contaminated tropical marine sediments by enrichment culture. Strains MN-005 and MN-006 were characte

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22

Zhou, Chengyun, Danlian Huang, Piao Xu, et al. "Efficient visible light driven degradation of sulfamethazine and tetracycline by salicylic acid modified polymeric carbon nitride via charge transfer." Chemical Engineering Journal 370 (August 2019): 1077–86. http://dx.doi.org/10.1016/j.cej.2019.03.279.

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23

Duan, Yongzheng, and Yulian Shen. "Synthesis of ZnO-CuO/MCM-48 photocatalyst for the degradation of organic pollutions." Water Science and Technology 76, no. 1 (2017): 172–81. http://dx.doi.org/10.2166/wst.2017.196.

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The photocatalytic properties of ZnO-CuO catalysts supported on siliceous MCM-48 (Mobil Composition of Matter No. 48) for the degradation of organic pollutions such as methylene blue and salicylic acid under UV light irradiation were investigated. These catalysts were prepared by impregnation of MCM-48 with a mixed aqueous solution of copper acetate and zinc acetate. X-ray diffraction, N2-physisorption, high resolution transmission electron microscopy, scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and photoluminescence were used to char

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24

Yue, P. L., J. Y. Feng, and X. Hu. "Photo-Fenton reaction using a nanocomposite." Water Science and Technology 49, no. 4 (2004): 85–90. http://dx.doi.org/10.2166/wst.2004.0228.

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A laponite RD clay-based Fe nanocomposite (Fe-Lap-RD) has been synthesized by the so-called pillaring technique. The X-ray diffraction (XRD) results reveal that the Fe-Lap-RD mainly consists of Fe2O3 (maghemite) crystallites and Fe2SiO10(OH)2 (iron silicate hydroxide) crystallites, respectively. The photo-catalytic activity of the Fe-Lap-RD for the degradation of an organic azo dye Orange II is examined. It is found that the rate of mineralization of Orange II is slower than that of discoloration. Under optimal conditions, 100% color and 70% total organic carbon (TOC) of 0.2 mM Orange II can b

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25

Chen, Hao, Yan Feng, Ning Suo, et al. "Preparation of particle electrodes from manganese slag and its degradation performance for salicylic acid in the three-dimensional electrode reactor (TDE)." Chemosphere 216 (February 2019): 281–88. http://dx.doi.org/10.1016/j.chemosphere.2018.10.097.

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26

Arslan, Evrim, Basak Savun Hekimoglu, Sesil Agopcan Cinar, Nilsun Ince, and Viktorya Aviyente. "Hydroxyl radical-mediated degradation of salicylic acid and methyl paraben: an experimental and computational approach to assess the reaction mechanisms." Environmental Science and Pollution Research 26, no. 32 (2019): 33125–34. http://dx.doi.org/10.1007/s11356-019-06048-3.

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27

Li, Yang, Yi Ren, and Nan Jiang. "Analysis of Draft Genome Sequence of Pseudomonas sp. QTF5 Reveals Its Benzoic Acid Degradation Ability and Heavy Metal Tolerance." BioMed Research International 2017 (2017): 1–7. http://dx.doi.org/10.1155/2017/4565960.

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Pseudomonas sp. QTF5 was isolated from the continuous permafrost near the bitumen layers in the Qiangtang basin of Qinghai-Tibetan Plateau in China (5,111 m above sea level). It is psychrotolerant and highly and widely tolerant to heavy metals and has the ability to metabolize benzoic acid and salicylic acid. To gain insight into the genetic basis for its adaptation, we performed whole genome sequencing and analyzed the resistant genes and metabolic pathways. Based on 120 published and annotated genomes representing 31 species in the genus Pseudomonas, in silico genomic DNA-DNA hybridization (

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28

Zhang, Liping, Shengnian Wu, Jun Xiang, Xiaofei Jiao, and Jing Wang. "Research on treatment and mechanism of salicylhydroxamic acid flotation wastewater by O3-BAF process." Water Science and Technology 82, no. 5 (2020): 861–76. http://dx.doi.org/10.2166/wst.2020.388.

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Abstract Salicylhydroxamic acid is an effective and selective collector for tungsten and molybdenum ores. However, the salicylhydroxamic acid flotation wastewater discharge may cause damage to the water environment for the residual processing reagents with poor biodegradability. Combined O3 and biological aerated filter (BAF) has a well-known potential for removing refractory or toxic organic pollutants. Combined process of O3 and BAF (O3-BAF) was applied to treat the simulated wastewater from W-Mo mineral processing in this study. Compared single ozonation to O3-BAF, various influencing facto

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29

Seo, Jong-Su, Young-Soo Keum, Yuting Hu, Sung-Eun Lee, and Qing X. Li. "Phenanthrene degradation in Arthrobacter sp. P1-1: Initial 1,2-, 3,4- and 9,10-dioxygenation, and meta- and ortho-cleavages of naphthalene-1,2-diol after its formation from naphthalene-1,2-dicarboxylic acid and hydroxyl naphthoic acids." Chemosphere 65, no. 11 (2006): 2388–94. http://dx.doi.org/10.1016/j.chemosphere.2006.04.067.

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30

Wang, Yin, Yun Wang, Lan Yu, Jiayuan Wang, Baobao Du, and Xiaodong Zhang. "Enhanced catalytic activity of templated-double perovskite with 3D network structure for salicylic acid degradation under microwave irradiation: Insight into the catalytic mechanism." Chemical Engineering Journal 368 (July 2019): 115–28. http://dx.doi.org/10.1016/j.cej.2019.02.174.

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31

Maruyama, Takahiro, Masaharu Ishikura, Hironori Taki, et al. "Isolation and Characterization of o-Xylene Oxygenase Genes from Rhodococcus opacus TKN14." Applied and Environmental Microbiology 71, no. 12 (2005): 7705–15. http://dx.doi.org/10.1128/aem.71.12.7705-7715.2005.

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ABSTRACT o-Xylene is one of the most difficult-to-degrade environmental pollutants. We report here Rhodococcus genes mediating oxygenation in the first step of o-xylene degradation. Rhodococcus opacus TKN14, isolated from soil contaminated with o-xylene, was able to utilize o-xylene as the sole carbon source and to metabolize it to o-methylbenzoic acid. A cosmid library from the genome of this strain was constructed in Escherichia coli. A bioconversion analysis revealed that a cosmid clone incorporating a 15-kb NotI fragment had the ability to convert o-xylene into o-methylbenzyl alcohol. The

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32

Lu, Feng Fan, Jin Tong Liu, Nan Zhang, Zhao Jie Chen, and Hong Yang. "OsPAL as a key salicylic acid synthetic component is a critical factor involved in mediation of isoproturon degradation in a paddy crop." Journal of Cleaner Production 262 (July 2020): 121476. http://dx.doi.org/10.1016/j.jclepro.2020.121476.

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33

Vila, Joaquim, Zaira López, Jordi Sabaté, Cristina Minguillón, Anna M. Solanas, and Magdalena Grifoll. "Identification of a Novel Metabolite in the Degradation of Pyrene by Mycobacterium sp. Strain AP1: Actions of the Isolate on Two- and Three-Ring Polycyclic Aromatic Hydrocarbons." Applied and Environmental Microbiology 67, no. 12 (2001): 5497–505. http://dx.doi.org/10.1128/aem.67.12.5497-5505.2001.

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ABSTRACT Mycobacterium sp. strain AP1 grew with pyrene as a sole source of carbon and energy. The identification of metabolites accumulating during growth suggests that this strain initiates its attack on pyrene by either monooxygenation or dioxygenation at its C-4, C-5 positions to give trans- orcis-4,5-dihydroxy-4,5-dihydropyrene, respectively. Dehydrogenation of the latter, ortho cleavage of the resulting diol to form phenanthrene 4,5-dicarboxylic acid, and subsequent decarboxylation to phenanthrene 4-carboxylic acid lead to degradation of the phenanthrene 4-carboxylic acid via phthalate. A

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34

Duguet, J. P., B. Dussert, J. Mallevialle, and F. Fiessinger. "Polymerization Effects of Ozone: Applications to the Removal of Phenolic Compounds from Industrial Wastewaters." Water Science and Technology 19, no. 5-6 (1987): 919–30. http://dx.doi.org/10.2166/wst.1987.0270.

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Degradation of phenols by ozone has been extensively studied but the oxidative coupling pathway of ozone resulting in a phenol polymerization has not been largely investigated. Application of low ozone dose in solutions of 2.4 dichlorophenol and salicylic acid is characterized by the formation of high molecular compounds which are partially insoluble. Numerous polymers have been identified by gas chromatography coupled with mass spectrometry. Application of the polymerization effect of ozone to petrochemical and coking wastewaters containing phenols give similar results. In each case, phenolic

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35

Schink, B. "Anaerobic digestion: concepts, limits and perspectives." Water Science and Technology 45, no. 10 (2002): 1–8. http://dx.doi.org/10.2166/wst.2002.0274.

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Anaerobic degradation processes are faced with limitations with respect to reaction energetics and reaction kinetics. The small amount of energy available in methanogenic degradation of complex organic compounds allows in most cases only the conservation of minimum amounts of energy in the lowest range of energy exploitable by biochemical reactions for ATP-synthesis. This limit has to be defined in the range of 1/3–1/4 of an ATP unit, or 15–20 kJ per mol reaction. Such small amounts of energy are exploited efficiently by syntrophic microbial communities co-operating e.g. in fatty acid conversi

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36

Godin, Simon, Pawel Kubica, Anthony Ranchou-Peyruse, et al. "An LC-MS/MS Method for a Comprehensive Determination of Metabolites of BTEX Anaerobic Degradation in Bacterial Cultures and Groundwater." Water 12, no. 7 (2020): 1869. http://dx.doi.org/10.3390/w12071869.

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BTEX (benzene, toluene, ethylbenzene, and the different xylene isomers), known for carcinogenic and neurotoxic effects, are common environmental contaminants. The first step for the development of the bioremediation technologies is the detection of intense microbial degradation in contaminated waters in the quest for the most active bacterial strains. This requires the multispecies analysis for BTEX metabolites which are considered as markers of microbial degradation. A direct (50 µL injection) HPLC–electrospray MS/MS analytical method was developed for the simultaneous analysis of 11 BTEX met

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37

Todeschini, Vítor, Maximiliano da Silva Sangoi, Alianise da Silva Meira, Diogo Miron, Alini Dall Cortivo Lange, and Nadia Maria Volpato. "Stability-Indicating Micellar Electrokinetic Chromatography Technique for Simultaneous Measurement of Delapril and Manidipine from a Combination Drug Formulation." Journal of AOAC INTERNATIONAL 97, no. 1 (2014): 114–20. http://dx.doi.org/10.5740/jaoacint.10-337.

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Abstract A stability-indicating micellar electrokineticchromatography (MEKC) method was developed and validated for simultaneous analysis of delapril (DEL) and manidipine (MAN) using salicylic acid as an internal standard. The MEKC method was performed using a fused-silica capillary (effective length of 72 cm) with 50 mM of borate buffer and 5 mM of anionic surfactant sodium dodecylsulfate at pH9.0 as the background electrolyte. The separationwas achieved at 25 kV applied voltage and 35°C. The injection was performed at 50 mbar for5s, with detection at 208 nm. The method was linear in the rang

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38

Apostolaki, Maria-Athina, Alexia Toumazatou, Maria Antoniadou, et al. "Graphene Quantum Dot-TiO2 Photonic Crystal Films for Photocatalytic Applications." Nanomaterials 10, no. 12 (2020): 2566. http://dx.doi.org/10.3390/nano10122566.

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Photonic crystal structuring has emerged as an advanced method to enhance solar light harvesting by metal oxide photocatalysts along with rational compositional modifications of the materials’ properties. In this work, surface functionalization of TiO2 photonic crystals by blue luminescent graphene quantum dots (GQDs), n–π* band at ca. 350 nm, is demonstrated as a facile, environmental benign method to promote photocatalytic activity by the combination of slow photon-assisted light trapping with GQD-TiO2 interfacial electron transfer. TiO2 inverse opal films fabricated by the co-assembly of po

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Lopez-Echartea, Eglantina, Jachym Suman, Tereza Smrhova, et al. "Genomic analysis of dibenzofuran-degrading Pseudomonas veronii strain Pvy reveals its biodegradative versatility." G3 Genes|Genomes|Genetics 11, no. 2 (2020). http://dx.doi.org/10.1093/g3journal/jkaa030.

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Abstract:

Abstract Certain industrial chemicals accumulate in the environment due to their recalcitrant properties. Bioremediation uses the capability of some environmental bacteria to break down these chemicals and attenuate the pollution. One such bacterial strain, designated Pvy, was isolated from sediment samples from a lagoon in Romania located near an oil refinery due to its capacity to degrade dibenzofuran (DF). The genome sequence of the Pvy strain was obtained using an Oxford Nanopore MiniION platform. According to the consensus 16S rRNA gene sequence that was compiled from six 16S rRNA gene co

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Elmasry, Manal S., Ahmed Serag, Wafaa S. Hassan, Magda Y. El-Mammli, and Mohamed Badrawy. "Spectrophotometric Determination of Aspirin and Omeprazole in the presence of Salicylic Acid as a Degradation Product: A Comparative Evaluation of Different Univariate/Multivariate Post Processing Algorithms." Journal of AOAC INTERNATIONAL, August 13, 2021. http://dx.doi.org/10.1093/jaoacint/qsab105.

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Abstract Background A recent combination of aspirin (ASP) and omeprazole (OMP) has been presented in a fixed dosage form for treatment of many CVD, particularly in patients with gastric diseases. However, ASP is very sensitive to degradation into salicylic acid (SAL) as its main degradation product. Hence, it is very important to develop methods for the determination of ASP and OMP in the presence of SAL. Objective In this study, UV spectrophotometry assisted by different univariate/multivariate post processing algorithms have been presented for quantitative determination of ASP, OMP and SAL w

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