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- Author:
- Souaibou Yaouba; Andreas Koch; Eric M. Guantai; Solomon Derese; Beatrice Irungu; Matthias Heydenreich; Abiy Yenesew
- Source:
- Phytochemistry letters 2018 v.23 pp. 141-148
- ISSN:
- 1874-3900
- Subject:
- Escherichia coli; Lannea; Staphylococcus aureus; antibacterial properties; bark; beta-sitosterol; catechin; cell lines; cyclohexanones; cytotoxicity; epicatechin; inflammation; lupeol; mammals; mass spectrometry; nuclear magnetic resonance spectroscopy; phenols; prostatic neoplasms; roots
- Abstract:
- ... Phytochemical investigation of the CH2Cl2/MeOH (1:1) extract of the roots of Lannea rivae (Chiov) Sacleux (Anacardiaceae) led to the isolation of a new alkenyl cyclohexenone derivative: (4R,6S)-4,6-dihydroxy-6-((Z)-nonadec-14′-en-1-yl)cyclohex-2-en-1-one (1), and a new alkenyl cyclohexanol derivative: (2S*,4R*,5S*)-2,4,5-trihydroxy-2-((Z)-nonadec-14′-en-1-yl)cyclohexanone (2) along with four known ...
- DOI:
- 10.1016/j.phytol.2017.12.001
- https://doi.org/10.1016/j.phytol.2017.12.001
- Author:
- Sangkeun Son; Sung-Kyun Ko; Seung Min Kim; Eun Kim; Gil Soo Kim; Byeongsan Lee; In-Ja Ryoo; Won-Gon Kim; Jung-Sook Lee; Young-Soo Hong; Jae-Hyuk Jang; Jong Seog Ahn
- Source:
- Journal of natural products 2018 v.81 no.11 pp. 2462-2469
- ISSN:
- 1520-6025
- Subject:
- Gram-positive bacteria; Staphylococcus aureus; Streptomyces; acetone; amino acids; antibacterial properties; antibiotic resistance; derivatization; linkage groups; lipopeptides; liquid chromatography; mass spectrometry; methicillin; nuclear magnetic resonance spectroscopy; Korean Peninsula
- Abstract:
- ... Three cyclic lipopeptides, including one known (1) and two new (2 and 3) compounds, that possess the rare enamide linkage group were discovered from Streptomyces sp. KCB14A132, an actinobacterium isolated from a soil sample collected from Jeung Island, Korea. The NMR and MS-based characterization showed that they differed in the amino acid residues in the peptide backbone. Application of Marfey’s ...
- DOI:
- 10.1021/acs.jnatprod.8b00497
- https://doi.org/10.1021/acs.jnatprod.8b00497
- Author:
- Christèle Sorèle Mambou; Raymond Ngansop Nono; Jean Rodolphe Chouna; Jean-de-Dieu Tamokou; Pépin Nkeng-Efouet-Alango; Norbert Sewald
- Source:
- Zeitschrift für Naturforschung 2018 v.73 no.5-6 pp. 241-246
- ISSN:
- 1865-7125
- Subject:
- Bacillus subtilis; Escherichia coli; Gram-negative bacteria; Gram-positive bacteria; Pseudomonas aeruginosa; Staphylococcus aureus; amoxicillin; antibacterial properties; bark; ciprofloxacin; drugs; methanol; minimum inhibitory concentration; nuclear magnetic resonance spectroscopy; triterpenoids
- Abstract:
- ... The antibacterial-guided investigation of the stem bark extract of Pseudocedrela kotschyi led to the isolation of a new secotirucallane triterpene derivative: 4-hydroxy-3,4-secotirucalla-7,24-dien-3,21-dioic acid (1), together with the known one: 3,4-secotirucalla-4(28),7,24-trien-3,21-dioic acid (2) and 3-methyl ester 3,4-secotirucalla-4(28),7,24-trien-3,21-dioic (3). The structures of the isolat ...
- DOI:
- 10.1515/znc-2017-0207
- https://doi.org/10.1515/znc-2017-0207
- Author:
- Meryem Lehbili; Abdulmagid Alabdul Magid; Ahmed Kabouche; Laurence Voutquenne-Nazabadioko; Amin Abedini; Hamid Morjani; Sophie C. Gangloff; Zahia Kabouche
- Source:
- Natural product research 2018 v.32 no.22 pp. 2683-2691
- ISSN:
- 1478-6427
- Subject:
- 2,2-diphenyl-1-picrylhydrazyl; Enterococcus faecalis; Escherichia coli; Pseudomonas aeruginosa; Salvia; Staphylococcus aureus; Staphylococcus epidermidis; aerial parts; antibacterial properties; antioxidant activity; antioxidants; bacteria; cell lines; cytotoxicity; enzyme inhibition; fibrosarcoma; flavonoids; inhibitory concentration 50; leukemia; minimum inhibitory concentration; nuclear magnetic resonance spectroscopy; triterpenoids
- Abstract:
- ... From the aerial parts of Salvia barrelieri Etl. (Lamiaceae), 12 compounds including a new triterpene, 3β-acetoxy-olean-18-ene-2α-ol, were isolated. Their structures were established by the combination analyses of spectroscopy including 1D-, 2D-NMR and HRESIMS and in comparison with the reported data in the literature. The antibacterial activity of these compounds was evaluated by bioautography on ...
- DOI:
- 10.1080/14786419.2017.1378207
- https://doi.org/10.1080/14786419.2017.1378207
- Author:
- Ye Tian; Anna Puganen; Hanna-Leena Alakomi; Aleksi Uusitupa; Maria Saarela; Baoru Yang
- Source:
- Food research international 2018 v.106 pp. 291-303
- ISSN:
- 0963-9969
- Subject:
- 2,2-diphenyl-1-picrylhydrazyl; Amelanchier alnifolia; Bacillus cereus; Hippophae rhamnoides; Listeria monocytogenes; Staphylococcus aureus; Vaccinium vitis-idaea; antibacterial properties; branches; ethanol; flavanols; flavonols; food pathogens; free radical scavengers; glycosides; growth retardation; high performance liquid chromatography; leaf extracts; leaves; nuclear magnetic resonance spectroscopy; oxygen radical absorbance capacity; small fruits; solvents; trapping
- Abstract:
- ... Phenolic compounds were extracted with food grade solvent of acidified aqueous ethanol from leaves, berries, berry press cakes, and branches of Finnish berry plants and analyzed with HPLC-DAD, UPLC-DAD-ESI-MS and NMR. In addition, press cakes from two berry species and branches from one species were also extracted and analyzed with the same methods. The antioxidant activities of the extracts were ...
- DOI:
- 10.1016/j.foodres.2017.12.071
- https://doi.org/10.1016/j.foodres.2017.12.071
- Author:
- Soleiman E. Helaly; Zainab Hamad; Magdi A. El Sayed; Fatma F. Abdel-Motaal; Mahmoud I. Nassar; Shin-ichi Ito; Marc Stadler
- Source:
- Zeitschrift für Naturforschung 2018 v.74 no.1-2 pp. 55-59
- ISSN:
- 1865-7125
- Subject:
- Bacillus methylotrophicus; Chromobacterium violaceum; Staphylococcus aureus; arid zones; desert soils; fermentation; liquids; mass spectrometry; minimum inhibitory concentration; nuclear magnetic resonance spectroscopy
- Abstract:
- ... A strain of Bacillus methylotrophicus was isolated from a soil sample collected in Aswan eastern desert, which is known for its extremely arid climate. After fermentation of the strain in liquid culture and subsequent extraction, a bioassay-guided isolation procedure yielded five compounds: 2-benzyl-4H-pyran-4-one, named bacillopyrone (1), pyrophen (2), macrolactin A (3) and the cyclopeptides malf ...
- DOI:
- 10.1515/znc-2018-0093
- https://doi.org/10.1515/znc-2018-0093
- Author:
- Meriem Fardioui; Issam Meftah Kadmiri; Abou el kacem Qaiss; Rachid Bouhfid
- Source:
- International journal of biological macromolecules 2018 v.114 pp. 733-740
- ISSN:
- 0141-8130
- Subject:
- Bacillus subtilis; Escherichia coli; Fourier transform infrared spectroscopy; Pseudomonas aeruginosa; Staphylococcus aureus; antibacterial properties; biobased products; cellulose; chitosan; food packaging; modulus of elasticity; nanocomposites; nanocrystals; nuclear magnetic resonance spectroscopy; packaging films; spectral analysis; tensile strength
- Abstract:
- ... In this study, active nanocomposite films based on cellulose nanocrystalline (NCC) reinforced styrylquinoxalin-grafted-chitosan are prepared by solvent-casting process. The structures of the two styrylquinoxaline derivatives were confirmed by FT-IR, 1H, 13C NMR spectral data and the study of the antibacterial activity against Escherichia coli (EC), Staphylococcus aureus (SA), Bacillus subtilis (BS ...
- DOI:
- 10.1016/j.ijbiomac.2018.03.114
- https://doi.org/10.1016/j.ijbiomac.2018.03.114
- Author:
- Walter de S. Tavares; Manuel Martin‐Pastor; Alberto G. Tavares Júnior; Francisco F. O. Sousa
- Source:
- Journal of food science 2018 v.83 no.12 pp. 2970-2975
- ISSN:
- 0022-1147
- Subject:
- Pseudomonas aeruginosa; Staphylococcus aureus; antimicrobial properties; antioxidant activity; biopharmaceuticals; biopolymers; chitosan; collagenase; colorimetry; elastase; ellagic acid; enzyme activity; enzyme inhibition; free radical scavengers; functional properties; inhibitory concentration 50; nuclear magnetic resonance spectroscopy; pharmacokinetics; zein
- Abstract:
- ... Ellagic acid (EA) has demonstrated several biological properties, such as antioxidant, antimicrobial, and enzymatic inhibition. Zein and chitosan (CHI) are natural polymers whose biological potential has also gained attention. Therefore, this paper aimed to evaluate the antimicrobial, antioxidant, anticollagenase, and antielastase properties of EA, zein, and chitosan isolated or in combination. Th ...
- DOI:
- 10.1111/1750-3841.14369
- https://doi.org/10.1111/1750-3841.14369
- Author:
- Shengnan Liang; Qifeng Dang; Chengsheng Liu; Yubei Zhang; Yan Wang; Wenjing Zhu; Guozhu Chang; Hantian Sun; Dongsu Cha; Bing Fan
- Source:
- Carbohydrate polymers 2018 v.195 pp. 275-287
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Klebsiella pneumoniae; Pseudomonas aeruginosa; Staphylococcus aureus; Staphylococcus epidermidis; X-ray diffraction; antibacterial properties; antibiotics; aqueous solutions; bacteria; chitin; crystal structure; differential thermal analysis; hydrophobicity; membrane permeability; moieties; molecular weight; nuclear magnetic resonance spectroscopy; nucleic acids; pH; polymerization; solubility; thermal stability; thermogravimetry
- Abstract:
- ... This work aims to synthesize poly(aminoethyl) modified chitin (PAEMC) and ascertain its antibacterial activity and mechanism. FTIR and 1H NMR results proved aminoethyl moieties were grafted to C6OH and C3OH on chitin backbone in the form of polymerization. XRD and TG/DTG analyses manifested its well-defined crystallinity and thermostability. PAEMC, with average molecular weight (MW) of 851.0 kDa, ...
- DOI:
- 10.1016/j.carbpol.2018.04.109
- https://doi.org/10.1016/j.carbpol.2018.04.109
- Author:
- Palaniappan Sivasankar; Palaniappan Seedevi; Subramaniam Poongodi; Murugesan Sivakumar; Tamilselvi Murugan; Loganathan Sivakumar; Kannan Sivakumar; Thangavel Balasubramanian
- Source:
- Carbohydrate polymers 2018 v.181 pp. 752-759
- ISSN:
- 0144-8617
- Subject:
- Bacillus subtilis; Escherichia coli; Pseudomonas aeruginosa; Staphylococcus aureus; Streptomyces violaceus; X-ray diffraction; antibacterial properties; antioxidant activity; antioxidants; drugs; exopolysaccharides; nanobiotechnology; nanomedicine; nanosilver; nuclear magnetic resonance spectroscopy; spectral analysis; transmission electron microscopy; water content
- Abstract:
- ... Green synthesis of silver nanoparticle (SNPs) has gained considerable attention in nano-biotechnology and nano-medicine owing their potency and eco-friendliness. In this, we account the exopolysaccharide and its mediated synthesis of SNPs and their biological activities. Exopolysaccharide of the Streptomyces violaceus composed of total carbohydrate (61.4%), ash (16.1%), moisture content (1.8%) and ...
- DOI:
- 10.1016/j.carbpol.2017.11.082
- https://doi.org/10.1016/j.carbpol.2017.11.082
- Author:
- Y. Zhang; H. Zhang; Y. Liu; Z. L. Zhang; C. K. Ding
- Source:
- Journal of polymers and the environment 2018 v.26 no.3 pp. 885-894
- ISSN:
- 1566-2543
- Subject:
- Fourier transform infrared spectroscopy; Staphylococcus aureus; adsorption; antibacterial properties; arginine; chitosan; copper; ecological restoration; heavy metals; ions; nickel; nuclear magnetic resonance spectroscopy; pH; polymers; soil remediation
- Abstract:
- ... To improve the heavy metal ion chelating ability and the microbiological stability of chitosan (CS), L-arginine (L-Arg) was grafted on CS polymer in the presence of the condensing agent 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide (EDC) and the coupling reagent N-hydroxysuccinimide (NHS) to prepare a natural polymer-based environmental rehabilitation material: L-arginine-grafted chitosan (CA). Th ...
- DOI:
- 10.1007/s10924-017-1000-y
- https://doi.org/10.1007/s10924-017-1000-y
12. Confluenines A–F, N-oxidized l-isoleucine derivatives from the edible mushroom Albatrellus confluens
- Author:
- Shuai-Bing Zhang; Ying Huang; He-Ping Chen; Zheng-Hui Li; Bin Wu; Tao Feng; Ji-Kai Liu
- Source:
- Tetrahedron letters 2018 pp. -
- ISSN:
- 0040-4039
- Subject:
- Albatrellus; Staphylococcus aureus; antimicrobial properties; biochemical pathways; chemical constituents of plants; chemical reactions; fruiting bodies; moieties; mushrooms; nuclear magnetic resonance spectroscopy; organic compounds
- Abstract:
- ... The phytochemical study of the fruiting bodies of Albatrellus confluens afforded three pairs of new N-Oxidized l-Isoleucine derivatives epimers, confluenines A–F (1–6). The structures of these compounds were deduced using spectroscopic techniques, and the absolute configurations of the compounds were assigned by comparison between experimental and theoretical NMR and ECD data, respectively. Putati ...
- DOI:
- 10.1016/j.tetlet.2018.07.033
- https://doi.org/10.1016/j.tetlet.2018.07.033
- Author:
- Maoli Yin; Xinghuan Lin; Tian Ren; Zhiguang Li; Xuehong Ren; Tung-Shi Huang
- Source:
- International journal of biological macromolecules 2018 v.120 pp. 992-998
- ISSN:
- 0141-8130
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; adsorption; antibacterial properties; atomic force microscopy; biomedical materials; cell viability; chitosan; copper; copper sulfate; cytotoxicity; energy-dispersive X-ray analysis; nuclear magnetic resonance spectroscopy; packaging; polyvinyl alcohol; quaternary ammonium compounds; scanning electron microscopy; thermal properties
- Abstract:
- ... Antibacterial quaternized carboxymethyl chitosan/poly(vinyl alcohol)/Cu blend film (QCMCS/PVA/Cu blend film) was prepared by quaternary ammonium salt modified carboxymethyl chitosan (QCMCS), PVA and copper sulfate pentahydrate via the process of solution casting and ion adsorption. The successful preparation of QCMCS was proved by EA, NMR and FTIR, and the degree of quaternization is 71.86%. The Q ...
- DOI:
- 10.1016/j.ijbiomac.2018.08.105
- https://doi.org/10.1016/j.ijbiomac.2018.08.105
- Author:
- Nivrati Jain; Harshita Jain; Ashish Jain; Veerasamy Ravichandran; Prateek Jain
- Source:
- Analele Universității "Ovidius" Constanța 2018 v.29 no.2 pp. 97-102
- ISSN:
- 2286-038X
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Gram-negative bacteria; Pseudomonas aeruginosa; Staphylococcus aureus; analgesic effect; analgesics; anti-inflammatory activity; antibacterial properties; antibiotics; indomethacin; mass spectrometry; nuclear magnetic resonance spectroscopy
- Abstract:
- ... We described here the synthesis and biological evaluation of a series of 2, 4, 6-trisubstituted quinazoline derivatives as potential anti-inflammatory, analgesic and antibacterial agents. The synthesized compounds were characterized by FTIR, 1H NMR and mass spectroscopy analysis. We found that the compounds 6b, 6e, 6g, 6h and 6j showed better anti-inflammatory activity than indomethacin. Compounds ...
- DOI:
- 10.2478/auoc-2018-0014
- https://doi.org/10.2478/auoc-2018-0014
- Author:
- Mohammad Mahbubul Hassan
- Source:
- International journal of biological macromolecules 2018 pp. -
- ISSN:
- 0141-8130
- Subject:
- Aspergillus fumigatus; Aspergillus niger; Fourier transform infrared spectroscopy; Klebsiella pneumoniae; Pseudomonas aeruginosa; Staphylococcus aureus; antibacterial properties; bacteria; carbon; chitosan; chlorides; fungi; nuclear magnetic resonance spectroscopy; polymerization; polymers; quaternary ammonium compounds; stable isotopes; tensile strength; thermal stability; thermogravimetry; water uptake
- Abstract:
- ... Chitosan shows selective antimicrobial activity as a bioactive polymer. In this work, a quaternary ammonium derivative of chitosan was synthesized by graft-copolymerization of chitosan with poly[2-(acryloyloxy)ethyltrimethylammonium chloride] or pATC by the redox polymerization method to enhance chitosan's antimicrobial activity. The structural characterizations of the quaternized chitosan were co ...
- DOI:
- 10.1016/j.ijbiomac.2018.07.013
- https://doi.org/10.1016/j.ijbiomac.2018.07.013
- Author:
- Mohamed Elagawany; Lamees Hegazy; Feng Cao; Maureen J. Donlin; Nigam Rath; John Tavis; Bahaa Elgendy
- Source:
- RSC advances 2018 v.8 no.52 pp. 29967-29975
- ISSN:
- 2046-2069
- Subject:
- Acinetobacter baumannii; Cryptococcus neoformans; Escherichia coli; Pseudomonas aeruginosa; Staphylococcus aureus; X-ray diffraction; bioactive properties; carbon; fungi; isomers; isotropy; magnetism; nuclear magnetic resonance spectroscopy; pathogens; regioselectivity; stable isotopes; therapeutics
- Abstract:
- ... We have synthesized and separated tosylated thujaplicin isomers for the first time, and elucidated their structures using 1D, 2D-NMR techniques and X-ray crystallography. The tosylated isomers were used to synthesize 4-isopropyl–thiotropolone and 6-isopropyl–thiotropolone in a regioselective manner. ¹H and ¹³C Chemical shifts of synthesized isomers were fully assigned using several NMR experiments ...
- DOI:
- 10.1039/c8ra06297h
- https://doi.org/10.1039/c8ra06297h
- Author:
- Perla M. Santos; Danilo L.J. Batista; Luiz A.F. Ribeiro; Elisângela F. Boffo; Martins D. de Cerqueira; Dirceu Martins; Renato D. de Castro; Lourdes C. de Souza-Neta; Ernani Pinto; Leonardo Zambotti-Villela; Pio Colepicolo; Luzimar G. Fernandez; Gisele A.B. Canuto; Paulo R. Ribeiro
- Source:
- Industrial crops and products 2018 v.124 pp. 834-844
- ISSN:
- 0926-6690
- Subject:
- 2,2-diphenyl-1-picrylhydrazyl; Bacillus cereus; Bacillus subtilis; Candida albicans; Escherichia coli; Pseudomonas aeruginosa; Ricinus communis; Staphylococcus aureus; active ingredients; alkaloids; anti-infective agents; antimicrobial properties; antioxidant activity; antioxidants; bronchitis; carotenoids; chest; dental caries; drugs; ethanol; ethyl acetate; fatty acids; gas chromatography-mass spectrometry; hexane; inflammation; inhibitory concentration 50; leaves; liquid chromatography; maceration; medicinal properties; metabolites; nuclear magnetic resonance spectroscopy; oilseed crops; rhinitis; roots; scabies; steroids
- Abstract:
- ... Ricinus communis is an important oilseed crop, which is widely used by traditional communities due to its medicinal properties. The extracts obtained from this plant are used to treat rhinitis, chest inflammation, bronchitis, dental caries, scabies, skin diseases, and infections in the digestive apparatus. Despite all its medicinal properties, there is a lack of studies that apply advanced chemica ...
- DOI:
- 10.1016/j.indcrop.2018.08.061
- https://doi.org/10.1016/j.indcrop.2018.08.061
- Author:
- Nihed Rahmouni; Wiem Tahri; Hassen Mohamed Sbihi; Imededdine Arabi Nehdi; Jacques Desbrieres; Salma Besbes-Hentati
- Source:
- International journal of biological macromolecules 2018 v.113 pp. 623-630
- ISSN:
- 0141-8130
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Salmonella Typhimurium; Staphylococcus aureus; acetonitrile; antibacterial properties; bacteria; benzimidazole; biopolymers; chitosan; electrochemistry; moieties; nuclear magnetic resonance spectroscopy; oxidation; platinum; solubility; synthesis; titration
- Abstract:
- ... Chitosan solubility and its antibacterial activity have been improved first of all with a chemical synthesis of N-benzimidazole-O-acetyl-chitosan in acetic medium and foremost through a potentiodynamic electrodeposition of this derivative. An association of one benzimidazole and three acetyl moieties per two units of the biopolymer chain was evidenced by FTIR and 1H NMR, pH-metric titration and TG ...
- DOI:
- 10.1016/j.ijbiomac.2018.02.121
- https://doi.org/10.1016/j.ijbiomac.2018.02.121
- Author:
- Jian-Chao Zhao; Ya-Li Wang; Tian-Yuan Zhang; Zhong-Jian Chen; Tian-Mei Yang; Ying-Ying Wu; Cheng-Peng Sun; Xiao-Chi Ma; Yi-Xuan Zhang
- Source:
- Phytochemistry 2018 v.148 pp. 21-28
- ISSN:
- 0031-9422
- Subject:
- Bacillus cereus; Candida albicans; Klebsiella pneumoniae; Panax notoginseng; Pseudomonas aeruginosa; Staphylococcus aureus; anti-infective agents; antimicrobial properties; circular dichroism spectroscopy; culture media; diterpenoids; endophytes; fungi; molecular models; nuclear magnetic resonance spectroscopy; spectral analysis
- Abstract:
- ... A fungal strain, Drechmeria sp., was isolated from the root of Panax notoginseng. Totally, seven new indole diterpenoids, drechmerins A-G (1–7), were isolated from the fermentation broth of Drechmeria sp. together with four known analogues (8–11). Their structures were determined on the basis of 1D and 2D NMR and electronic circular dichroism (ECD) spectroscopic analyses as well as theoretical cal ...
- DOI:
- 10.1016/j.phytochem.2018.01.010
- https://doi.org/10.1016/j.phytochem.2018.01.010
- Author:
- Shammi Akhter; Satyajit Roy Rony; Muhammad Abdullah Al-Mansur; Choudhury Mahmood Hasan; Khondaker Miraz Rahman; Md. Hossain Sohrab
- Source:
- Chemistry of natural compounds 2018 v.54 no.1 pp. 26-29
- ISSN:
- 0009-3130
- Subject:
- Bacillus megaterium; Escherichia coli; Lawsonia inermis; Pseudomonas aeruginosa; Staphylococcus aureus; antibacterial properties; chemistry; leaves; nuclear magnetic resonance spectroscopy; quinones; spectral analysis
- Abstract:
- ... A new bioactive naphthoquinone dimer, lawsonol[2-(1,4-dioxo-1,4-dihydronaphthalen-2-yloxy)-3-hydroxynaphthalene-1,4-dione] (1), was isolated from the leaves of Lawsonia alba. Its structure was established on the basis of spectral data, including 2D NMR and HR-MS. Compound 1 exhibited in vitro antibacterial activity against Bacillus megaterium, Staphylococcus aureus, Escherichia coli, and Pseudomon ...
- DOI:
- 10.1007/s10600-018-2251-0
- https://doi.org/10.1007/s10600-018-2251-0
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