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Multiple interface coupling on natural tourmaline enables high-efficiency removal of antibiotic:Superior property and mechanism

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Journal of Environmental Sciences 2024年第6期140卷 242-254页

作者： Jingjing Cui Xiangyu Liu Feifan Qie Chengzhe Xie Qingdong He Jian Liu Steven L.Suib Wenbo Wang College of Chemistry and Chemical Engineering Inner Mongolia UniversityHohhot 010021China Department of Chemistry University of ConnecticutStorrsCT 06269-3060United States

Reasonably designing highly active,environmentally friendly,and cost-effective catalysts for efficient elimination of pollutants from water is desirable but ***,an efficient heterogeneous photo-Fenton catalyst tourmaline(TM)/tungsten oxide(WO_(3-x))(named TW10)containing tungsten/boron/iron(W/B/Fe)synergistic active centers and 90%of cheap natural tourmaline(TM)mineral rich in Fe and B *** TW10 catalyst can quickly activate peroxymonosulfate(PMS)to generate massive active free radicals,which may induce the rapid and efficient degradation of tetracycline(TC).The TW10/PMS/Visible light system can effectively degrade up to 98.7%of tetracycline(TC)in actual waters(***,Yellow River,and Yangtze River water),and the catalytic degradation rates reach 1.65,5.569,and 2.38 times higher than those of TM,WO_(3-x),and commercial P25(Degussa,Germany),*** addition,the catalyst can be recycled and reused multiple *** spin resonance spectroscopy(EPR),X-ray photoelectron spectroscopy(XPS),and liquid chromatograph-mass spectrometer(LC-MS)analyses confirm that the synergistic catalytic effect of W/B/Fe sites on the TW10 catalyst accelerates the electron transfer between Fe(Ⅱ)and Fe(Ⅲ),as well as between W(Ⅴ)and W(Ⅵ),and thus promotes the rapid degradation of *** catalytic reaction mechanism and degradation pathway of TC were *** work provides a feasible route for the design and development of new eco-friendly and efficient catalyst.

关键词： Tourmaline(TM) Fenton-like catalyst Tungsten oxide Peroxymonosulfate antibiotic

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antibiotic Metabolites from the Coral-Associated Actinomycete Streptomyces sp. OUCMDZ-1703

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Chinese Journal of Chemistry 2013年第1期31卷 100-104页

作者： Peng Fu Fandong Kong Yuanfei Wang Yi Wang Peipei Liu Guoying Zuo Weiming Zhu Key Laboratory of Marine Drugs Ministry of Education of China School of Medicine and Pharmacy Ocean University of China Qingdao Shandong 266003 China Research Center for Natural Medicines Kunming General Hospital PLA Kunming Yunnan 650032 China Yunnan Traditional Chinese Medical College Kunming Yunnan 650500 China

From the oligotrophic culture of a soft coral-associated actinomycetes strain, Streptomyces sp. OUCMDZ-1703, we isolated and identified two new chlorinated polyketides that we named strepchloritides A and B （1 and 2）, three thiazole derivatives known as watasemycin A （3）, pulicatin G （4） and aerugine （5）, along with pyrrole- 2-carboxamide, furan-2-carboxamide and 1-（3,5-dihydroxyphenyl）ethanone. The new structures of 1 and 2 were determined by spectroscopic studies such as 1D- and 2D-NMR and MS analyses, while the known compounds were identified by comparison of the NMR data with those in literatures. The results showed that actinomycete strain OUCMDZ-1703 could use the relative high ratio of chlorine in the oligotrophic medium to synthesize chlorinated natural products. New compounds 1 and 2 displayed cytotoxicity against the MCF-7 ceils with ICs0 values of 9.9 and 20.2 ~tmoloL-1, respectively. Thiazole derivatives 3 and 5 were first found to be active against three clinical strains of methicillin-resistant Staphylococcus aureus （MRSA082, MRSA111 and MRSA234） with the same MIC/MBC values of 7.81/7.81 μg·mL-1.

关键词： coral-associated actinomycetes Streptomyces sp. polychlorinated natural products thiazole deriva-tives cytotoxicity antibiotic methicillin-resistant S. aureus

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antibiotic and glucocorticoid-induced recapitulated hematological remission in acute myeloid leukemia:A case report and review of literature

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World Journal of Clinical Cases 2022年第22期10卷 7890-7898页

作者： Xiao-Yun Sun Xiao-Dong Yang Xiao-Qiu Yang Bo Ju Nuan-Nuan Xiu Jia Xu Xi-Chen Zhao Department of Hematology The Central Hospital of Qingdao West Coast New AreaQingdao 266555Shandong ProvinceChina Department of Pharmacology The Central Hospital of Qingdao West Coast New AreaQingdao 266555Shandong ProvinceChina

BACKGROUND Leukemic hematopoietic cells acquire enhanced self-renewal capacity and impaired *** emergence of symptomatic leukemia also requires the acquisition of a clonal proliferative *** leukemia patients usually experience an aggressive ***,spontaneous remission occasionally occurs in patients with acute myeloid leukemia(AML),most frequently after recovery from a febrile episode,and this is generally attributed to the triggering of antineoplastic *** may be another explanation for the spontaneous remission as implicated in this *** SUMMARY A 63-year-old Chinese man presented with high fever,abdominal pain and urticaria-like skin *** was diagnosed with AML-M4 with t(8;21)(q22;q22)/RUNX1-RUNX1T1 based on morphological,immunological,cytogenetic and molecular *** had a complex chromosome rearrangement of 48,XY,t(8;21)(q22;q22),+13,+13[9]/49,idem,+mar[9]/49,idem,+8[2].He also had a mutated tyrosine kinase domain in fms-like tyrosine kinase 3 *** was treated with antibiotics and glucocorticoids for gastrointestinal infection and urticaria-like skin *** infection and skin lesions were quickly ***,he achieved hematological remission along with resolution of the febrile episode,gastrointestinal symptoms and skin ***,after relapse,repeating these treatments resulted in a return to hematological ***,he demonstrated strong resistance to antibiotic and glucocorticoid treatment after the second relapse and died of sepsis from bacterial infection with multidrug *** main clinical feature of this patient was that symptomatic AML emerged with flaring of the gut inflammatory disorder and it subsided after resolution of the *** from the present case raises the possibility that in a subgroup of AML patients,the proliferative advantage of leukemia cells may critically require the presence of inflammatory ***

关键词： Acute myeloid leukemia Fms-like tyrosine kinase 3 tyrosine kinase domain Glucocorticoid antibiotic Spontaneous remission Gastrointestinal infection Case report

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antibiotic susceptibility profiling and virulence potential of Campylobacter jejuni isolates from different sources in Pakistan

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Asian Pacific Journal of Tropical Medicine 2015年第3期8卷 197-202页

作者： Fariha Masood Siddiqui Muhammad Akram Nighat Nourccn Zobia Noreen Habib Bokhari Department of Biosciences.COMSATS Institute of Information Technology

Objective:To determine antibiotic resistance patterns and virulence potential of Campylobacter jejuni(***) isolates from clinical human diarrheal infections,cattle and healthy ***:antibiotic sensitivity patterns of *** isolates were determined by Kirby Bauer Disc Diffusion *** isolates were then subjected to virulence profiling for the detection of map A(membrane-associated protein).cadF(fibronectin binding protein).wlaN(beta-1.3-galaclosyltransferase) and neu AB(sialic acid biosynthesis gene).Further *** isolates were grouped by random amplification of polymorphic DNA(RAPD) ***:A total of436 samples from poultry(n=88).cattle(n=216) and humans(n=132) from different locations were *** revealed percentage of *** isolates were 35.2%(31/88).25.0%(54/216) and 11.3%(15/132) among poultry,cattle and clinical human samples *** susceptibility results showed that similar resistance patterns to cephalothin was ie.87.0%,87.1%and 89%among humans,poultry and cattle respectively,followed by sulfamethoxazolc+trimcthoprim 40.0%,38.7%and 31.0%in humans,poultry and cattle and Ampicillin 40%,32%and 20%in humans,poultry and cattle ***-lactamase activity was detected in 40.00%humans.20.37%cattle and 32.25%in poultry *** *** and mapA were present in all poultry,cattle and human C jejuni *** was not detected in any isolate and neu AB was found in 9/31(36%) poultry *** profiling results suggested high diversity of *** ***:Detection of multidrug resistant *** strains from poultry and cattle is alarming as they can be potential hazard to ***,predominant association of virulence factors,cadF and map A(100%each) in *** isolates from all sources and neuAB(36%) with poultry isolates suggest the potential source of transmission of diverse types of *** to humans.

关键词： Campylobacter jejuni antibiotic susceptibility Virulence genes PCR RAPD

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antibiotic usage in Chinese children: a point prevalence survey

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World Journal of Pediatrics 2018年第4期14卷 335-343页

作者： Jiao-Sheng Zhang Gang Liu Wen-Shuang Zhang Hai-Yan Shi Gen Lu Chang-An Zhao Chang-Chong Li Yan-Qi Li Ya-Nan Shao Dai-Yin Tian Ming-Jie Ding Chun-Yan Li Li-Juan Luo Xiao-Yan Dong Ping Jin Ping Wang Chun-Mei Zhu Chuan-Qing Wang Yue-Jie Zheng Ji-Kui Deng Mike Sharland Ying-Fen Hsia Kun-Ling Shen Yong-Hong Yang Department of Infectious diseases Shenzhen Children’s HospitalShenzhenChina Department of Inf ectious diseases Beijing Children’s Hospital Affi liated to Capit al Medical UniversityBeijingChina Department ofR espiratory Medicine Tianjin Children’s HospitalTianjinChina Department of Pharmacology Shandong Provincial Qianfoshan HospitalShandong UniversityJinanChina Department ofR espiratory Medicine Guangzhou Women and Children’s Medical CenterGuangzhouChina Emergency Department Guangdong Maternal and Child Health Care HospitalGuangzhouChina Department ofP ediatric Respiratory Medicine The Second Affi liated Hospital&Yuying Children’s Hospital of W enzhou Medical UniversityWenzhouChina Department ofR espiratory Medicine Xi’an Children’s HospitalXi’anChina Department ofR espiratory Medicine Children’s HospitalZhejiang University School of MedicineHangzhouChina Department ofR espiratory Medicine Children’s Hospital of Chongqing Medical UniversityChongqingChina Department ofR espiratory Medicine Jinan Children’s HospitalJinanChina Department ofR espiratory Medicine The First Hospital of Jilin UniversityChangchunChina Department of Infectious diseases Shanghai Children’s Medical CenterShanghai Jiaotong University School of MedicineShanghaiChina Department ofR espiratory Medicine Shanghai Children’s HospitalShanghaiChina Pediatric Intensive Care Unit Bao’an Maternity and Child Health HospitalShenzhenChina Neonatal Department Beijing Obstetrics and Gynecology HospitalCapital Medical UniversityBeijingChina Department ofR espiratory Medicine Children’s Hospital Attached to The Capital Institute of P ediatricsBeijingChina Infection-control Department Fudan University Pediatric HospitalShanghaiChina Department ofR espiratory Medicine Shenzhen Children’s HospitalShenzhenChina Pediatric Infectious Diseases Research Group St George’sUniversity of LondonLondonUK Department ofR espiratory Medicine Beijing Children’s Hospital Affi liated to Capit al Medical UniversityBeijingChina Beiji

Background Children as a population have high antimicrobial prescribing rates which may lead to high resistance of bacteria according to data from some single-center surveys of antibiotic prescribing rates in China. The acquirement of baseline data of antibiotic prescribing is the basis of developing intervention strategies on inappropriate antimicrobial prescriptions. Few studies show clearly the pattern and detailed information on classes of antibiotics and distribution of indications of antibiotic prescriptions in children in China. This study aims to assess the antibiotic prescribing patterns among children and neonates hospitalized in 18 hospitals in China. Methods A 24-hour point prevalence survey on antimicrobial prescribing was conducted in hospitalized neonates and chil-dren in China from December 1st, 2016 to February 28th, 2017. Information on the antibiotic use of patients under 18 years of age who were administered one or more on-going antibiotics in the selected wards over a 24-hour period was collected. These data were submitted to the GARPEC (Global Antimicrobial Resistance, Prescribing and Efficacy in Children and Neonates) web-based application ( https ://pidrg -datab ***/redca p/ ). For statistical analysis, Microsoft Excel 2007 and SPSS 22.0 were used. Results The antibiotic data were collected in 35 wards in 18 hospitals from 9 provinces. In total, 67.76% (975/1439) of the patients (n = 1439) were given at least one antibiotic, including 58.1% (173/298) of neonates (n = 298) and 70.3% (802/1141) of children (n = 1141). In neonates, the three most frequently prescribed antibiotics were third-generation cephalosporins (41.7%), penicillins plus enzyme inhibitor (23.8%), and carbapenems (11.2%). In children, the three most frequently pre-scribed antibiotics were third-generation cephalosporins (35.5%), macrolides (23.2%), and penicillins plus enzyme inhibi-tors (15.9%). The most common indication for antibiotics was proven or probable bac

关键词： antibiotic Children China Neonate Prescription

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antibiotic resistance of Neisseria species in Iran: A systematic review and meta-analysis

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Asian Pacific Journal of Tropical Medicine 2019年第1期12卷 8-13页

作者： Farzad Khademi Amirhossein Sahebkar Department of Microbiology School of Medicine Ardabil University of Medical Sciences Biotechnology Research Center Pharmaceutical Technology Institute Mashhad University of Medical Sciences Neurogenic Inflammation Research Center Mashhad University of Medical Sciences School of Pharmacy Mashhad University of Medical Sciences

Objective: To estimate the prevalence of antibiotic resistance of Neisseria species in Iran. Methods: A systematic and electronic search using relevant keywords in major national and international databases was performed until 6th July, 2018 in order to find studies reporting the prevalence of antibiotic resistance of Neisseria species in Iran. Results: A total of nine studies were found to be eligible based on predefined inclusion and exclusion criteria. Our analysis indicated that the prevalence of Neisseria gonorrhoeae resistance to different antibiotics was as follows: 66.9% to penicillin, 59.1% to ciprofloxacin, 11.1% to ceftriaxone, 21.6% to spectinomycin, 13.8% to cefixime, 82.4% to co-trimoxazole, 52.7% to tetracycline, 29.9% to gentamicin, 87.5% to ampicillin, 11.1% to azithromycin, 2.2% to chloramphenicol, 50.1% to cefepime and 50.0% to vancomycin. Antimicrobial resistance rates of Neisseria meningitidis was as follows: 30.0% to penicillin, 33.3% to amoxicillin, 33.3% to cephalexin, 55.6% to ampicillin and 0.0% to ciprofloxacin, ceftriaxone, cefotaxime, amikacin, co-trimoxazole, gentamicin, kanamycin, chloramphenicol and ceftizoxime. Conclusion: Neisseria gonorrhoeae and Neisseria meningitidis isolates of Iran show resistance to different types of antibiotics. Therefore, care should be exercised for the use of penicillin, ciprofloxacin, co-trimoxazole, tetracycline, gentamicin, ampicillin, cefepime and vancomycin for gonococcal infections, and also with respect to the use of penicillin, amoxicillin, ampicillin and cephalexin for meningococcal infections in Iran.

关键词： antibiotic Neisseria Resistance Meta-analysis Iran

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Elimination of antibiotic resistance genes and control of horizontal transfer risk by UV-based treatment of drinking water: A mini review

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Frontiers of Environmental Science & Engineering 2019年第3期13卷 3-11页

作者： Virender K.Sharma Xin Yu Thomas J.McDonald Chetan Jinadatha Dionysios D.Dionysiou Mingbao Feng Department of Environmental and Occupational Health School of Public Health Texas A&M University College Station TX 77843 USA Institute of Urban Environment Chinese Academy of Sciences Xiamen 361021 China Central Texas Veterans Health Care System Temple TX 76504 USA College of Medicine Texas A&M Health Science Center Bryan TX 77807 USA Environmental Engineering and Science Program Department of Chemical and Environmental Engineering (DChEE) 705 Engineering Research Center University of Cincinnati Cincinnati OH 45221 USA

antibiotic-resistant bacteria (ARB) and antibiotic resistance genes (ARGs) have been recognized as one of the biggest public health issues of the 21 st century. Both ARB and ARGs have been determined in water after treatment with conventional disinfectants. Ultraviolet (UV) technology has been seen growth in application to disinfect the water. However, UV method alone is not adequate to degrade ARGs in water. Researchers are investigating the combination of UV with other oxidants (chlorine, hydrogen peroxide (H2O2), peroxymonosulfate (PMS), and photocatalysts) to harness the high reactivity of produced reactive species (C1-, C1O -, Cl2-,-OH, and SO4-_) in such processes with constituents of cell (e.g., deoxyribonucleic acid (DNA) and its components) in order to increase the degradation efficiency of ARGs. This paper briefly reviews the current status of different UV-based treatments (UV/chlorination, UV/H2O2, UV/PMS, and UV-photocatalysis) to degrade ARGs and to control horizontal gene transfer (HGT) in water. The review also provides discussion on the mechanism of degradation of ARGs and application of q-PCR and gel electrophoresis to obtain insights of the fate of ARGs during UV-based treatment processes.

关键词： antibiotic resistance bacteria Advanced oxidation processes Disinfection Reactive chlorine species Sulfate radicals Reactive oxygen species

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Trifunctional Cu-Mesh/Cu_(2)O@FeO Nanoarrays for Highly Efficient Degradation of antibiotic, Inactivation of antibiotic-Resistant Bacteria, and Damage of antibiotics Resistance Genes

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Energy & Environmental Materials 2023年第1期6卷 349-359页

作者： Long Zhao Wei Zhou Ming Wen Qingsheng Wu Weiying Li Yongqing Fu Quanjing Zhu Sheng Chen and Jiaqi Ran Shanghai Key Laboratory of Chemical Assessment and Sustainability State Key Laboratory of Pollution Control and Resource ReuseSchool of Chemical Science and EngineeringCollege of Environmental Science and EngineeringTongji UniversityShanghai 200092China Faculty of Engineering and Environment Northumbria UniversityNewcastle upon Tyne NE99UK

Trifunctional Cu-mesh/Cu_(2)O@FeO nanoarrays heterostructure is designed and fabricated by integrating CuCu_(2)O@FeO nanoarrays onto Cu-mesh(CM)via an in situ growth and phase transformation *** is successfully applied to efficiently mitigate the antibiotic pollution,including degradation of antibiotics,inactivation of antibiotic-resistant bacteria(ARB),and damage of antibiotics resistance genes(ARGs).Under visible-light irradiation,CM/CuCu_(2)O@FeO nanoarrays exhibit a superior degradation efficiency on antibiotics(e.g.,up to 99%in 25 min for tetracycline hydrochloride,TC),due to the generated reactive oxygen species(ROS),especially the dominant·O^(2−).It can fully inactivate ***(HB101)with initial number of~108 CFU mL^(−1) in 10 min,which is mainly attributed to the synergistic effects of 1D nanostructure,dissolved metal ions,and generated ***,it is able to damage ARGs after 180 min of photodegradation,including tetA(vs TC)of 3.3 log 10,aphA(vs kanamycin sulfate,KAN)of 3.4 log 10,and tnpA(vs ampicillin,AMP)of 4.4 log 10,*** work explores a green way for treating antibiotic pollution under visible light.

关键词： antibiotic antibiotic resistance genes antibiotic-resistant bacteria Cu-Mesh/Cu_(2)O@FeO nanoarrays photocatalytic degradation

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Assessment of antibiotic resistance genes in dialysis water treatment processes

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Frontiers of Environmental Science & Engineering 2019年第3期13卷 185-191页

作者： Xuan Zhu Chengsong Ye Yuxin Wang Lihua Chen Lin Feng No.2 Hospital of Xiamen City Xiamen 361021 China Institute of Urban Environment Chinese Academy of Sciences Xiamen 361021 China Faculty of Civil Engineering and Geosciences Delft University of Technology Delft 2600 AA The Netherlands School of the Environment Renmin University of China Beijing 100872 China

Dialysis water is directly related to the safety of hemodialysis patients, thus its quality is generally ensured by a stepwise water purification cascade. To study the effect of water treatment on the presence of antibiotic resistance genes (ARGs) in dialysis water, this study used propidium monoazide (PMA) in conjunction with high throughput quantitative PCR to analyze the diversity and abundance of ARGs found in viable bacteria from water having undergone various water treatment processes. The results indicated the presence of 35 ARGs in the eflfluents from the different water treatment steps. Twentynine ARGs were found in viable bacteria from the effluent following carbon filtration, the highest among all of the treatment processes, and at 6.96 Log (copies/L) the absolute abundance of the cphA gene was the highest. Two resistance genes, erm (36) and mtrD-02, which belong to the resistance categories macrolides-lincosamides-streptogramin B (MLSB) and other/efflux pump, respectively, were detected in the effluent following reverse osmosis treatment. Both of these genes have demonstrated the potential for horizontal gene transfer. These results indicated that the treated effluent from reverse osmosis, the final treatment step in dialysis-water production, was associated with potential health risks.

关键词： Dialysis water Treatment process antibiotic resistance gene High-throughput quantitative PCR Horizontal gene transfer

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antibiotic resistant Esherichia coli strains from seafood and its susceptibility to seaweed extracts

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Asian Pacific Journal of Tropical Medicine 2010年第12期3卷 977-981页

作者： Subramanian Kumaran Balaraman Deivasiganiani Kumarappan Alagappan Mannikam Sakthivel Rajamani Karthikeyan Faculty of Marine Sciences Annamalai UniversityParangipettaiTamil NaduIndia

Objective:To determine the prevalence and antibiotic resistance of Escherichia coli(E. coli),in seafood obtained from Cuddalore and Parangipettai fish landing ***,to identify the susceptibility of *** against predominant seaweeds red alga Kappaphycus alvarezii(***) and brown alga Padina boergessenii(***) extracts as sulfated polysaccharides and polyphenols ***:A total of 48 samples(Two stations Cuddalore and Parangipettai,Tamil Nadu,India).Sampling area are fish landing centre where fishes caught from sea and estuary,seafood processing plants(packing and ice packed fishes) and local fish markets(fish samples).After isolation totally 80 strains were analyzed for its antimicrobial resistance and sensitivity against commercially 10 *** ampicillin resistant *** CE21 was identified through molecular techniques as I6S rDNA sequencing. Two seaweeds *** and *** were screened lor antibacterial activity against 12 antibiotic resistant *** ***:Totally 48 swabbed samples from two different fish handling area were characterized for total bacterial and *** ***,the *** strains were isolated from fish local market and seafood processing plants before and after packaging *** that maximum 56.25%strains were resistant to ampicillin and the minimum 2.5%strains were resistant to ***,the *** CE21 was identified through molecular techniques ***(GenBank accession number GU065251),The MIC value for polyphenol extract was slightly less than sulfated *** strain isolated from Parangipettai was considerably increased MIC value that ***: The polyphenol and sulfated polysaccharides showed promising inhibitory response against all antimicrobial resistant *** strains and in particular the inhibitory response of ampicillin resistant ***.

关键词： antibiotic resistant E.coli Antibacterial activity Seaweed extract Seafood

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