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- Author:
- G. Gozzelino; D. E. Romero Romero Tobar; N. Chaitiemwong; W. Hazeleger; R. Beumer
- Source:
- Journal of food protection 2011 v.74 no.12 pp. 2107-2112
- ISSN:
- 0362-028X
- Subject:
- Escherichia coli; Listeria monocytogenes; Staphylococcus aureus; ammonium; antibacterial properties; aqueous solutions; bacteria; biocides; carbon; coatings; copolymerization; crosslinking; leaching; moieties; polymers; quaternary ammonium compounds; resins; stainless steel; ultraviolet radiation; urethane
- Abstract:
- ... Antibacterial polymers suitable for coating applications without leaching of the biocidal component have been obtained by UV copolymerization of acrylic resins with acrylic monomers containing quaternary ammonium moieties. Suitable reactive biocides, based on quaternary ammonium monomers (QAMs), endowed with undecylacryloyl group and alkyl chains with 2 (QAM-C2), 8 (QAM-C8), and 16 (QAM-C16) carbo ...
- DOI:
- 10.4315/0362-028X.JFP-11-220
- https://doi.org/10.4315/0362-028X.JFP-11-220
- Author:
- Seyma Aslan; Marie Deneufchatel; Sara Hashmi; Nan Li; Lisa D. Pfefferle; Menachem Elimelech; Emmanuel Pauthe; Paul R. Van Tassel
- Source:
- Journal of colloid and interface science 2012 v.388 no.1 pp. 268-273
- ISSN:
- 0021-9797
- Subject:
- Escherichia coli; Staphylococcus epidermidis; absorbance; anti-infective properties; aqueous solutions; biocompatible materials; carbon; carbon nanotubes; chloroform; electrolytes; ethylene glycol; glutamic acid; health services; lysine; nonionic surfactants; polypeptides; polysorbates; quartz; spectroscopy; transmission electron microscopy
- Abstract:
- ... Biomaterials capable of suppressing microbial infection are of clear importance in various health care applications, e.g. implantable devices. In this study, we investigate the antimicrobial activity of single-walled carbon nanotubes (SWNT) layer-by-layer (LbL) assembled with the polyelectrolytes poly(L-lysine) (PLL) and poly(L-glutamic acid) (PGA). SWNT dispersion in aqueous solution is achieved ...
- DOI:
- 10.1016/j.jcis.2012.08.025
- https://doi.org/10.1016/j.jcis.2012.08.025
- Author:
- Hanen Chakroun; Mohamed Bouaziz; Thabèt Yangui; Imen Blibech; Abdelhafidh Dhouib; Sami Sayadi
- Source:
- Journal of Molecular Catalysis. B, Enzymatic 2013 v.87 pp. 11-17
- ISSN:
- 1381-1177
- Subject:
- Enterococcus hirae; Escherichia coli; Pseudomonas aeruginosa; Staphylococcus aureus; Trametes trogii; Tuta absoluta; antifungal properties; aqueous solutions; carbon; catalytic activity; enzymatic reactions; insecticidal properties; insects; laccase; nuclear magnetic resonance spectroscopy; pests; phytotoxicity; stable isotopes; tomatoes; viability
- Abstract:
- ... Oxidative transformation of tyrosol catalysed by Trametes trogii laccases in aqueous solution was investigated. LC–MS analysis shows that tyrosol was converted to its dimer. The enzymatic reaction was also investigated by 1H and 13C nuclear magnetic resonance, and the product formed was identified as a dimeric tetracyclic ketone. The bactericidal and fungicidal properties of tyrosol dimer were inv ...
- DOI:
- 10.1016/j.molcatb.2012.10.006
- https://doi.org/10.1016/j.molcatb.2012.10.006
- Author:
- Jae Young Cho; Byung Yeoup Chung; Kyeong-Bo Lee; Geon-Hwi Lee; Seon Ah Hwang
- Source:
- Chemosphere 2014 v.117 pp. 158-163
- ISSN:
- 0045-6535
- Subject:
- Bacillus subtilis; Escherichia coli; Pseudomonas putida; antibiotics; aquatic ecosystems; aqueous solutions; carbon; ciprofloxacin; energy; free radicals; irradiation; microorganisms; toxicity
- Abstract:
- ... The application of electron ionizing energy for degrading veterinary antibiotic ciprofloxacin (CFX) in aqueous solution was elucidated. The degradation efficiency of CFX after irradiation with electron ionizing energy was 38% at 1kGy, 80% at 5kGy, and 97% at 10kGy. Total organic carbon of CFX in aqueous solution after irradiation with electron ionizing energy decreased 2% at 1kGy, 18% at 5kGy, and ...
- DOI:
- 10.1016/j.chemosphere.2014.06.039
- https://doi.org/10.1016/j.chemosphere.2014.06.039
- Author:
- Jae Young Cho; Byung Yeoup Chung; Seon Ah Hwang
- Source:
- Environmental science and pollution research international 2015 v.22 no.13 pp. 9637-9645
- ISSN:
- 0944-1344
- Subject:
- chloramphenicol; aqueous solutions; wastewater treatment; carbon; industrial effluents; Bacillus subtilis; anti-infective properties; toxicity; irradiation; Pseudomonas putida; Escherichia coli
- Abstract:
- ... Electron beam irradiation has shown potential as an alternative process for the treatment of industrial effluents that contain toxic organic chemicals. This study investigated the effectiveness of electron beam in degrading chloramphenicol (CAP) in aqueous solution. The degradation efficiency was 32.4 % at 1 kGy, 86.9 % at 5 kGy, and 100 % at 10 kGy. The total organic carbon (TOC) of CAP in aqueou ...
- DOI:
- 10.1007/s11356-015-4123-5
- https://doi.org/10.1007/s11356-015-4123-5
- Author:
- D. Zaharie-Butucel; J. Papp; C. Leordean; S. D. Anghel
- Source:
- RSC advances 2015 v.5 no.119 pp. 98325-98334
- ISSN:
- 2046-2069
- Subject:
- Escherichia coli; Raman spectroscopy; X-ray photoelectron spectroscopy; antibacterial properties; aqueous solutions; argon (noble gases); atmospheric pressure; carbon; comparative study; gases; helium; methylene blue; transmission electron microscopy
- Abstract:
- ... This work is a comparative study on the synthesis of carbonaceous structures with different ordering, aided by an atmospheric pressure plasma in contact with methylene blue aqueous solutions, by utilizing two different inert plasma gases, argon and helium respectively. The study follows the diagnosis of the two plasmas by optical emission spectroscopy, their different degradation effects on methyl ...
- DOI:
- 10.1039/c5ra17779k
- https://doi.org/10.1039/c5ra17779k
- Author:
- Yao Ying; Gao Bin; Wu Feng; Zhang Cunzhong; Yang Liuyan
- Source:
- ACS applied materials 2015 v.7 no.19 pp. 10634-10640
- ISSN:
- 1944-8252
- Subject:
- Escherichia coli; X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; aqueous solutions; bagasse; biochar; biofuels; carbon; energy-dispersive X-ray analysis; ethanol production; nanocomposites; nanosilver; physicochemical properties; pyrolysis; scanning electron microscopy; silver
- Abstract:
- ... A novel approach was used to prepare engineered biochar from biofuel residue (stillage from bagasse ethanol production) through slow pyrolysis. The obtained biochar was characterized for its physicochemical properties as well as silver sorption ability. Sorption experimental data showed that engineered biochar quickly and efficiently removed silver ion (Ag⁺) from aqueous solutions with a Langmuir ...
- DOI:
- 10.1021/acsami.5b03131
- https://doi.org/10.1021/acsami.5b03131
- Author:
- Nuno F.F. Moreira; Carla A. Orge; Ana R. Ribeiro; Joaquim L. Faria; Olga C. Nunes; M. Fernando R. Pereira; Adrián M.T. Silva
- Source:
- Water research 2015 v.87 pp. 87-96
- ISSN:
- 0043-1354
- Subject:
- Escherichia coli; Staphylococcus aureus; amoxicillin; aqueous solutions; carbon; diclofenac; drugs; growth retardation; hormones; microorganisms; mineralization; oxidation; ozonation; ozone; pesticides; photocatalysis; photolysis; pollutants; toxicity; vapors; wastewater
- Abstract:
- ... The degradation of two organic pollutants (amoxicillin and diclofenac) in 0.1 mM aqueous solutions was studied by using advanced oxidation processes, namely ozonation, photolysis, photolytic ozonation, photocatalysis and photocatalytic ozonation. Diclofenac was degraded quickly under direct photolysis by artificial light (medium-pressure vapor arc, λexc > 300 nm), while amoxicillin remained very s ...
- DOI:
- 10.1016/j.watres.2015.08.059
- https://doi.org/10.1016/j.watres.2015.08.059
- Author:
- Avinash S. Bansode; Supriya E. More; Ejaz Ahmad Siddiqui; Shruti Satpute; Absar Ahmad; Sudha V. Bhoraskar; Vikas L. Mathe
- Source:
- Chemosphere 2017 v.167 pp. 396-405
- ISSN:
- 0045-6535
- Subject:
- Escherichia coli; air; ambient temperature; aqueous solutions; carbon; catalysts; growth retardation; irradiation; liquid chromatography; mass spectrometry; methyl orange; methylene blue; pollutants; toxicity testing
- Abstract:
- ... The paper reports the use of atmospheric non-thermal plasma torch as a catalyst for degradation of various organic pollutants dissolved in water. A flow of He mixed with air was used to produce the dielectric barrier discharge (DBD), at the tip of the torch, using pulsed electric excitation at 12 kV. The torch, operated at a power of 750 mW/mm², was seen to completely degrade the aqueous solutions ...
- DOI:
- 10.1016/j.chemosphere.2016.09.089
- https://doi.org/10.1016/j.chemosphere.2016.09.089
- Author:
- Kenza Zarour; Mª Goretti Llamas; Alicia Prieto; Patricia Rúas-Madiedo; María Teresa Dueñas; Pilar Fernández de Palencia; Rosa Aznar; Mebrouk Kihal; Paloma López
- Source:
- Carbohydrate polymers 2017 v.174 pp. 646-657
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; Lactobacillus sakei; Leuconostoc mesenteroides; adhesion; aqueous solutions; bioactive properties; carbon; dextran; enterocytes; gel chromatography; glucose; human cell lines; humans; lactic acid bacteria; light scattering; macrophages; meat; milk; molecular weight; phenotype; polymers; rheology; sucrose; viscosity
- Abstract:
- ... Dextrans synthesised by three Leuconostoc mesenteroides strains, isolated from mammalian milks, were studied and compared with dextrans produced by Lc. mesenteroides and Lactobacillus sakei strains isolated from meat products. Size exclusion chromatography coupled with multiangle laser light scattering detection analysis demonstrated that the dextrans have molecular masses between 1.74×108Da and 4 ...
- DOI:
- 10.1016/j.carbpol.2017.06.113
- https://doi.org/10.1016/j.carbpol.2017.06.113
- Author:
- Evaldas Klumbys; Ziga Zebec; Nicholas J. Weise; Nicholas J. Turner; Nigel S. Scrutton
- Source:
- Green chemistry 2018 v.20 no.3 pp. 658-663
- ISSN:
- 1463-9270
- Subject:
- Escherichia coli; alcohol dehydrogenase; ambient temperature; aqueous solutions; biocatalysts; biodiesel; carbon; carboxylic acids; carboxylic ester hydrolases; environmental degradation; fermented foods; glucose; glycerol; green chemistry; metabolic engineering; metabolites; phenylalanine; phenylalanine ammonia-lyase; solvents
- Abstract:
- ... The construction of biocatalytic cascades for the production of chemical precursors is fast becoming one of the most efficient approaches to multi-step synthesis in modern chemistry. However, despite the use of low solvent systems and renewably resourced catalysts in reported examples, many cascades are still dependent on petrochemical starting materials, which as of yet cannot be accessed in a su ...
- DOI:
- 10.1039/c7gc03325g
- PubMed:
- 31168294
- PubMed Central:
- PMC6546598
- https://doi.org/10.1039/c7gc03325g
- Author:
- Shuquan Huang; Yuanguo Xu; Meng Xie; Yun Ma; Jia Yan; Yeping Li; Yan Zhao; Hui Xu; Huaming Li
- Source:
- ACS sustainable chemistry & engineering 2018 v.6 no.9 pp. 11968-11978
- ISSN:
- 2168-0485
- Subject:
- Escherichia coli; aqueous solutions; bromides; carbon; cobalt; disinfection; electric current; electrons; hydrogen peroxide; iodides; iron; irradiation; light; magnetic fields; magnetic properties; nanoparticles; oxygen; photocatalysis; photocatalysts; silver; silver chloride; solar energy; trapping; water treatment
- Abstract:
- ... Photocatalytic water disinfection has been demonstrated as a promising technology for rapid water treatment in terms of utilizing sustainable solar energy. In this paper, C-doped CoFe₂O₄ magnetic nanoparticles (named C–CoFe) modified C–CoFe/Ag–AgX (X = Cl, Br, I) composites were synthesized via solvothermal process. The photocatalytic performance of the C–CoFe/Ag–AgX composites were evaluated by b ...
- DOI:
- 10.1021/acssuschemeng.8b02279
- https://doi.org/10.1021/acssuschemeng.8b02279
- Author:
- I. Popescu; I.M. Pelin; G.L. Ailiesei; D.L. Ichim; D.M. Suflet
- Source:
- Carbohydrate polymers 2019 pp. -
- ISSN:
- 0144-8617
- Subject:
- Candida albicans; Escherichia coli; Fourier transform infrared spectroscopy; Pseudomonas aeruginosa; antimicrobial properties; aqueous solutions; aromatic amines; bacteria; biocompatible materials; biopolymers; carbon; chemical structure; curdlan; electrolytes; equations; fluorescence emission spectroscopy; fungi; hydrodynamics; nuclear magnetic resonance spectroscopy; quaternary ammonium compounds; stable isotopes; surface tension; viscometry; viscosity
- Abstract:
- ... Amphiphilic polyelectrolyte based on curdlan derivative containing quaternary ammonium groups with a degree of substitution up to 0.4 was synthesized and characterized. The chemical structure of the amphiphilic curdlan derivative was confirmed by FTIR, 13C and 1H NMR spectroscopy. The 2D NMR homo- and heteronuclear correlations were used to attribute the ambiguous 1D NMR signals from 1H and 13C sp ...
- DOI:
- 10.1016/j.carbpol.2019.115157
- https://doi.org/10.1016/j.carbpol.2019.115157
- Author:
- Mónica Cobos; Iker De-La-Pinta; Guillermo Quindós; M. Jesús Fernández; M. Dolores Fernández
- Source:
- Carbon 2019 v.150 pp. 101-116
- ISSN:
- 0008-6223
- Subject:
- Escherichia coli; Gram-negative bacteria; Gram-positive bacteria; Staphylococcus aureus; antibacterial properties; antibiotic resistance; aqueous solutions; ascorbic acid; carbon; crystallization; exposure duration; glass transition; microbial activity; nanocomposites; nanosilver; polyvinyl alcohol; reducing agents; silver; silver nitrate; temperature; thermal stability
- Abstract:
- ... Due to the increasing occurrence and spread of antibiotic resistance pathogenic microorganisms, the development of antimicrobial materials has emerged as a strategy to control the bacterial activity and transmission. In this study, poly(vinyl alcohol)/silver nanoparticles-graphene oxide (PVA/AgNPs-GO) nanocomposites were synthesized by a one-step process with l-ascorbic acid as environmentally fri ...
- DOI:
- 10.1016/j.carbon.2019.05.011
- https://doi.org/10.1016/j.carbon.2019.05.011
- Author:
- A. I. Moral-Rodriguez; R. Leyva-Ramos; F. Carrasco-Marín; M. I. Bautista-Toledo; A. F. Pérez-Cadenas
- Source:
- Water, air, and soil pollution 2020 v.231 no.1 pp. 17
- ISSN:
- 0049-6979
- Subject:
- Escherichia coli; adsorption; aqueous solutions; bacteria; biofilm; carbon; carbonates; catalytic activity; cesium; diclofenac; electrostatic interactions; endothermy; formaldehyde; pH; polymerization; resorcinol; surface area; temperature; xerogels
- Abstract:
- ... Different carbon xerogels (CXs) were synthesized by the polymerization of resorcinol (R) and formaldehyde (F) catalyzed by cesium carbonate (Cs), and by varying the molar ratio R/Cs. The CXs were labeled as XCs-100, XCs-500, XCs-1000, and XCS-2000, corresponding to the R/Cs ratio of 100, 500, 1000, and 2000, respectively. The surface chemistry of the CXs varied very slightly with the R/Cs ratio be ...
- DOI:
- 10.1007/s11270-019-4385-5
- https://doi.org/10.1007/s11270-019-4385-5
16. Anticoagulant dialyzer with enhanced Ca2+ chelation and hydrophilicity for heparin free hemodialysis
- Author:
- Yang Liu; Guiliang Li; Qiu Han; Haibo Lin; Qiang Li; Jing Hua; Fu Liu
- Source:
- Journal of membrane science 2020 v.604 pp. 118082
- ISSN:
- 0376-7388
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; adhesion; adsorption; anticoagulants; antifouling activities; aqueous solutions; artificial membranes; atomic force microscopy; biocompatibility; blood platelets; calcium; carbon; chelation; complement; contact angle; creatine; crosslinking; dialysis; hemodialysis; hemolysis; heparin; hydrogels; hydrophilicity; nuclear magnetic resonance spectroscopy; phosphorus; proteins; scanning electron microscopy; sodium; stable isotopes; swine; thrombosis; toxins; urea
- Abstract:
- ... Inhibiting thrombosis in extracorporeal dialyzer is predominantly determined by the compatible interface design. It is challenging to develop anticoagulant dialyzers for clinical heparin free dialysis. Herein, we develop an environmentally friendly approach to construct a hydrogel skin composed of poly (sodium alginate-acrylic acid) P (SA-AA) network on polysulfone (PSf) membranes via pre-seeding ...
- DOI:
- 10.1016/j.memsci.2020.118082
- https://doi.org/10.1016/j.memsci.2020.118082
- Author:
- Liyu Zhang; Lihua Jia; Zhenlong Zhao; Rui Yang; Jinping Wang; Xiangfeng Guo
- Source:
- Colloids and surfaces 2020 v.593 pp. 124628
- ISSN:
- 0927-7757
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; amides; ammonium chloride; antibacterial properties; aqueous solutions; biphenyl; calorimetry; carbon; electrospray ionization mass spectrometry; emulsifying; foaming; heat production; hydrogen bonding; hydrophobicity; micelles; moieties; nuclear magnetic resonance spectroscopy; stable isotopes; surface active properties; surface tension; surfactants; titration; toluene
- Abstract:
- ... The structure of aqueous solution surfactants, particularly the spacer group used to link the polar head groups, can significantly affect its surface activities and application properties. Herein, we designed and synthesized cationic gemini surfactants (i. e., CₙDBH, n = 12, 14, 16, 18) with biphenyl and multiple amide groups as rigid spacer and characterized their structures using ¹H NMR, ¹³C NMR ...
- DOI:
- 10.1016/j.colsurfa.2020.124628
- https://doi.org/10.1016/j.colsurfa.2020.124628
- Author:
- Cuihui Cao; Xiaofeng Wu; Yuming Zheng; Yunfa Chen
- Source:
- Environmental science and pollution research international 2020 v.27 no.13 pp. 15001-15010
- ISSN:
- 0944-1344
- Subject:
- Escherichia coli; aqueous solutions; carbon; carbon monoxide; chitosan; deionization; disinfection; electrodes; heat production; liquids; pollution; porous media; potassium; research; surface area
- Abstract:
- ... Three-dimensional cubic ordered mesoporous carbon with chitosan (Ia3d-CS), which was synthesized via exothermic reaction between liquid potassium and carbon monoxide gas, was coated on the active carbon (AC) electrode as a capacitive deionization (CDI) disinfection electrode. The results showed that Ia3d-CS-2 as CDI electrode exhibited the quick ion diffusion and strong charge transfer performance ...
- DOI:
- 10.1007/s11356-020-07941-y
- https://doi.org/10.1007/s11356-020-07941-y