Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Efraím A. Serna-Galvis"'
Autor:
Fidel Granda-Ramírez, Efraím A. Serna-Galvis, Yenny Ávila-Torres, Ricardo A. Torres-Palma, Gina Hincapié-Mejía
Publikováno v:
MethodsX, Vol 13, Iss , Pp 102920- (2024)
Antibiotics are currently recognized as environmental pollutants. In this work, the methods involved in the degradation of a β-lactam antibiotic (i.e., DXC) by treatments based on inorganic peroxides and UVC (e.g., UVC alone, UV-C/H2O2, UVC/peroxymo
Externí odkaz:
https://doaj.org/article/7cecae6d198d442faecc9bebfb1f656f
Autor:
Sindy D. Jojoa-Sierra, Cesar Jaramillo-Paez, Efraím A. Serna-Galvis, Inés García-Rubio, María C. Hidalgo, José A. Navío, María P. Ormad, Ricardo A. Torres-Palma, Rosa Mosteo
Publikováno v:
Water, Vol 16, Iss 17, p 2434 (2024)
Water quality and usability are global concerns due to microbial and chemical pollution resulting from anthropogenic activities. Therefore, strategies for eliminating contaminants are required. In this context, the removal and decrease in antibiotic
Externí odkaz:
https://doaj.org/article/f01414473e52438fa6257b01a678728f
Alternative and Classical Processes for Disinfection of Water Polluted by Fungi: A Systematic Review
Autor:
Luz Dary Caicedo-Bejarano, Alejandra Morante-Caicedo, Sandra Patricia Castro-Narváez, Efraím A. Serna-Galvis
Publikováno v:
Water, Vol 16, Iss 7, p 936 (2024)
The introduction of the first list of priority pathogenic fungi by the World Health Organization stresses the need to research and develop public health actions to mitigate infections caused by fungi. One of those actions involves the water disinfect
Externí odkaz:
https://doaj.org/article/aa0da39a75cf4acfb1a6138864cc495d
Autor:
Mehrdad Zare, Madeleine J. Bussemaker, Efraím A. Serna-Galvis, Ricardo A. Torres-Palma, Judy Lee
Publikováno v:
Ultrasonics Sonochemistry, Vol 99, Iss , Pp 106564- (2023)
The effects of sonication power on the ultrasonic cavitation and sonochemistry as well as the degradation of paracetamol were studied and compared for single- and dual-frequency sonoreactors. For the single-frequency sonication, a 500 kHz plate trans
Externí odkaz:
https://doaj.org/article/4ad6ded796364ac9aabb2bac4a68437f
Autor:
Mehrdad Zare, Pello Alfonso-Muniozguren, Madeleine J. Bussemaker, Patrick Sears, Efraím A. Serna-Galvis, Ricardo A. Torres-Palma, Judy Lee
Publikováno v:
Ultrasonics Sonochemistry, Vol 94, Iss , Pp 106320- (2023)
The degradation of paracetamol, a widely found emerging pharmaceutical contaminant, was investigated under a wide range of single-frequency and dual-frequency ultrasonic irradiations. For single-frequency ultrasonic irradiation, plate transducers of
Externí odkaz:
https://doaj.org/article/f4283604067049a4b366793b591519f7
Autor:
Carolina Quimbaya-Ñañez, Efraím A. Serna-Galvis, Javier Silva-Agredo, Inés García-Rubio, Ricardo A. Torres-Palma, Yenny P. Ávila-Torres
Publikováno v:
Water, Vol 15, Iss 20, p 3679 (2023)
A carbonaceous material obtained from wood wastes (SW-Mn) was initially used for the removal of pharmaceuticals in water by a carbocatalytic system. The SW-Mn material adsorbed only 41% of the diclofenac (DCF) and 3% of the valsartan (VAL). Interesti
Externí odkaz:
https://doaj.org/article/57a4e26b5758431facd7c1d98c895fd6
Autor:
Efraím A. Serna-Galvis, Javier Silva-Agredo, Félix Hernández, Ana M. Botero-Coy, Ricardo A. Torres-Palma
Publikováno v:
MethodsX, Vol 10, Iss , Pp 102128- (2023)
A primary pollution source by pharmaceuticals is hospital wastewater (HWW). Herein, the methods involved in the action of a biological system (BS, aerobic activated sludge) or a sonochemical treatment (US, 375 kHz and 30.8 W), for degrading four rele
Externí odkaz:
https://doaj.org/article/f86e3c17a0ec4d69bd90598fc7ff055f
Autor:
Laura María Gómez-Quintero, Marlon Alexis Múnera-Marín, María Alejandra Urán-Serna, Efraím A. Serna-Galvis, Ana Luz Galván-Diaz, Ricardo A. Torres-Palma
Publikováno v:
MethodsX, Vol 10, Iss , Pp 102068- (2023)
Giardia intestinalis is a pollutant of food and water, resistant to conventional disinfection treatments and its elimination requires effective methods action. Herein, mid-high-frequency ultrasound (375 kHz), which produces HO• and H2O2, was used a
Externí odkaz:
https://doaj.org/article/986273ed51224356adfe30c063289438
Autor:
Efraím A. Serna-Galvis, Carlos Mendoza-Merlano, Ricardo A. Torres-Palma, Adriana Echavarría-Isaza, Dora A. Hoyos-Ayala
Publikováno v:
Molecules, Vol 28, Iss 11, p 4536 (2023)
A chromate of copper and cobalt (Φy) was synthesized and characterized. Φy activated peroxymonosulfate (PMS) to degrade ciprofloxacin (CIP) in water. The Φy/PMS combination showed a high degrading capability toward CIP (~100% elimination in 15 min
Externí odkaz:
https://doaj.org/article/969858ec4a4d469a89f59fda03fb3d2f
Publikováno v:
Ultrasonics Sonochemistry, Vol 82, Iss , Pp 105861- (2022)
Substances such as pharmaceuticals, pesticides, dyes, synthetic and natural hormones, plasticizers, and industrial chemicals enter the environment daily. Many of them are a matter of growing concern worldwide. The use of ultrasound to eliminate these
Externí odkaz:
https://doaj.org/article/13dcf518e22c42458a0228030bb4e286