Degradação fotocatalítica (TiO>sub<2>/sub</LED UV-A) de antibióticos &beta;-lactâmicos (amoxicilina e cefadroxila) em efluente hospitalar simulado DOI Creative Commons
Pedro Costa

Опубликована: Ноя. 14, 2024

O objetivo deste estudo foi otimizar a degradação de dois antibióticos, amoxicilina (AMO) e cefadroxila (CFX), em efluente hospitalar simulado (EHS), utilizando-se como fotocatalisador o TiO2 P25, um fotorreator com LEDs UV-A centrados 365 nm.Otimizou-se (metodologia superfícies resposta), variando-se intensidade luminosa dose fotocatalisador.Foi utilizada função desejabilidade global variável-resposta para simultânea dos fármacos.Após verificação da significância fatores (planejamento fatorial 2 , 95% confiança), foram realizados experimentos no caminho máxima inclinação, sendo as condições ótimas: 90% (aproximadamente 2,5 W) 1,5 g L -1 TiO2.Nessas condições, concentrações iniciais fármacos 5,0 mg após 1 h irradiação, obteve-se, aproximadamente, 29 38% AMO CFX, respectivamente ( = 4,3  10 -3 min 6,7 R > 0,99), ou seja, necessárias 18 remoção ambos os fármacos.A demanda química oxigênio, carbono orgânico dissolvido e, por consequência, número oxidação médio do (+ 2,5) se mantiveram constantes, indicando que não houve mineralização significativa compostos orgânicos presentes.Após fármacos, avaliou-se inativação biológica tratado.Primeiramente, determinou-se ecotoxicidade, usando-se organismo-teste Brassica juncea (mostarda).Não inibição germinação das sementes, produtos formados geraram ecotoxicidade adicional meio.Em segundo lugar, mediu-se atividade antimicrobiana, bactéria Staphylococcus aureus organismo-teste.Não formação halo inibição, antimicrobiana inicialmente presente.Por fim, realizaram-se degradações adição sequestrantes radicais/vacâncias.Tanto radicais hidroxila superóxido quanto vacâncias participaram degradação.No caso AMO, sequestro radicais, média, reduziu 62%.No tiveram papel predominante, causando, 93% diminuição na degradação.Em suma, demonstrou-se ser possível remover antibióticos testados meio reacional complexo UV-A, evitando

Antibiotic resistance genes in anaerobic digestion: Unresolved challenges and potential solutions DOI
Chunxiao Wang, Xiaole Yin, Xiaoqing Xu

и другие.

Bioresource Technology, Год журнала: 2025, Номер unknown, С. 132075 - 132075

Опубликована: Янв. 1, 2025

Язык: Английский

Процитировано

2

Visible light-assisted CoMoO₄/g-C₃N₄ photocatalyst for improved removal of antibiotic contaminants from wastewater DOI
Ji-Tae Kim, Nguyen Minh Viet, Hường Phạm Thị

и другие.

Materials Chemistry and Physics, Год журнала: 2025, Номер 334, С. 130433 - 130433

Опубликована: Янв. 20, 2025

Язык: Английский

Процитировано

2

Carbapenem-Resistant Pseudomonas aeruginosa’s Resistome: Pan-Genomic Plasticity, the Impact of Transposable Elements and Jumping Genes DOI Creative Commons
Theodoros Karampatakis, Katerina Tsergouli, Payam Behzadi

и другие.

Antibiotics, Год журнала: 2025, Номер 14(4), С. 353 - 353

Опубликована: Март 31, 2025

Pseudomonas aeruginosa, a Gram-negative, motile bacterium, may cause significant infections in both community and hospital settings, leading to substantial morbidity mortality. This opportunistic pathogen can thrive various environments, making it public health concern worldwide. P. aeruginosa’s genomic pool is highly dynamic diverse, with pan-genome size ranging from 5.5 7.76 Mbp. versatility arises its ability acquire genes through horizontal gene transfer (HGT) via different genetic elements (GEs), such as mobile (MGEs). These MGEs, collectively known the mobilome, facilitate spread of encoding resistance antimicrobials (ARGs), heavy metals (HMRGs), virulence (VGs), metabolic functions (MGs). Of particular are acquired carbapenemase (ACGs) other β-lactamase genes, classes A, B [metallo-β-lactamases (MBLs)], D carbapenemases, which lead increased antimicrobial resistance. review emphasizes importance mobilome understanding aeruginosa.

Язык: Английский

Процитировано

2

Antibiotic resistance genes risks in relation to host pathogenicity and mobility in a typical hospital wastewater treatment process DOI
Chenye Xu, Chun Hu,

Fang Li

и другие.

Environmental Research, Год журнала: 2024, Номер 259, С. 119554 - 119554

Опубликована: Июль 2, 2024

Язык: Английский

Процитировано

6

Feedstock-dependent antibiotic resistance gene patterns and expression profiles in industrial scale biogas plants revealed by meta-omics technology DOI Creative Commons
Roland Wirth, Prateek Shetty, Zoltán Bagi

и другие.

Water Research, Год журнала: 2024, Номер 268, С. 122650 - 122650

Опубликована: Окт. 18, 2024

Язык: Английский

Процитировано

3

Effective approach for removing antibiotic residues from wastewater using Bi 2 O 3 @C 3 N 4 photocatalyst DOI
Nguyen Minh Viet, Phong Nguyen Thanh, Nguyen Minh Phuong

и другие.

Journal of Environmental Science and Health Part B, Год журнала: 2025, Номер 60(3), С. 121 - 128

Опубликована: Фев. 6, 2025

This study explores the photocatalytic decomposition of antibiotic residues, including tetracycline (TCR) and amoxicillin (AMR), from wastewater using Bi2O3@C3N4 photocatalyst. The characterization findings revealed that exhibited significantly improved light absorption properties enhanced charge separation efficiency. According to experimental results, high degradation efficiencies 77.6% for TCR 83.2% AMR in samples. It also displayed excellent reusability, with removal remaining at 71.3 78.8%, respectively, after five cycles. Additionally, photodegradation is suggested follow Z-scheme pathway. results this could be utilized removing pollutants wastewater, thereby reducing their impact on human health environment.

Язык: Английский

Процитировано

0

Mapping antimicrobial resistance landscape at a city scale sewage network DOI Creative Commons
Clara Díaz-García, Miquel Sánchez‐Osuna, Albert Serra-Compte

и другие.

The Science of The Total Environment, Год журнала: 2025, Номер 974, С. 179127 - 179127

Опубликована: Март 26, 2025

Язык: Английский

Процитировано

0

A Review on the Prevalence and Treatment of Antibiotic Resistance Genes in Hospital Wastewater DOI Creative Commons

Lihua Lan,

Zhaoran Wang, Yuxin Chen

и другие.

Toxics, Год журнала: 2025, Номер 13(4), С. 263 - 263

Опубликована: Март 31, 2025

Antibiotic resistance is a global environmental and health threat. Approximately 4.95 million deaths were associated with antibiotic in 2019, including 1.27 that directly attributable to bacterial antimicrobial resistance. Hospital wastewater one of the key sources for spread clinically relevant genes (ARGs) into environment. Understanding current situation ARGs hospital great significance. Here, we review prevalence antibiotic-resistant bacteria (ARB) from other places treatment methods used. We further discuss intersection between COVID-19 during pandemic. This highlights issues dissemination critical It imperative implement more effective processes eliminate ARGs, particularly long period.

Язык: Английский

Процитировано

0

Environmental High-Risk Efflux Pumps Mediate Concurrent Enhancement of Resistance and Virulence in Reclaimed Water from Urban Wastewater Treatment Plants DOI

Shanqi Shen,

Zhong Mao He,

Shaohua Zhao

и другие.

Journal of Hazardous Materials, Год журнала: 2025, Номер 493, С. 138236 - 138236

Опубликована: Апрель 16, 2025

Язык: Английский

Процитировано

0

First Report of Carbapenem-Resistant Klebsiella michiganensis Co-Harboring blaKPC-2 and TmexCD2-ToprJ2 Isolated from Wastewater at a Tertiary Hospital in Beijing DOI Creative Commons
Jason M. Long, Jiali Chen, Yue Yuan

и другие.

Infection and Drug Resistance, Год журнала: 2024, Номер Volume 17, С. 5117 - 5128

Опубликована: Ноя. 1, 2024

is an emerging human pathogen that causes nosocomial infections. Its prevalence and spread in the environment should not be ignored. This study identified characterized

Язык: Английский

Процитировано

0