A Low-Cost And Novel Nanomaterial To Remove Antibiotic : A Solution For Developing Countries
Today we have most of the problems like population, terrorism, illiteracy etc. these problems can be controlled to some extent but we have a most pressing problem that is environmental pollution that impacts us directly but causes are indirect, it impacts our ecosystem and biodiversity. Humans have to bear climate change, global warming and many more consequences due to this. To protect the environment in future, education of young generation is one of the most important factors. Environmental pollution is impacting us everywhere whether it rural, urban, coastal or mountainous area and especially water resources. The emerging cause of environmental pollution is decontamination of antibiotics in surface water and soil from natural environment.
Demonstration of animal protein in developing countries was carried out and this led to the antibiotic resistance and antibiotic residues into food products. This work reported a facile investigation of the physicochemical characterizations of magnetic Fe/NH2/SiO2 (FNS) nanomaterial fabricated by the precipitation method and simple grafting with amino silica, and its application as removal of β-Lactam Ampicillin (AMP) in the solution. The combination of various techniques, such as scanning electron microscopy techniques (SEM-EDX), TEM, XRD, and magnetic saturation (Ms) value was employed to observe the surface chemistry and physicochemical properties of FNS. Zeta potential calculation indicated that the AMP adsorption efficiencies by FNS were stable and desired at acidic pH solutions, and optimum temperature of 30 °C and the results obtained by UV-V is absorption method.
Hanoi, Vietnam, in the research group of corresponding authors Professor Eldon R. Rene and Dr. Hoang Thu Ha1,Tran Dinh Minh1 with other co-authors such as: Ta Minh Trang, Vu Dang Hoang Hiep, Tran Long Vu, Le Anh Duc, Kim Thang Long, VNU University of Education (UEd), Hanoi, Vietnam; High School for Gifted Students (HSGS), VNU University of Science; Cau Giay High School, Hanoi, Vietnam; UNESCO-IHE, Institute for Water Education, Delft, The Netherlands; Hanoi-Amsterdam High School for the Gifted, Hanoi, Vietnam conducted and examined the work at VNU University of Education (UEd). The authors synthesized the FNS according to both iron salts such as Fe3+ and Fe2+. After that aqua ammonia was added in the system, and increasing the pH value up to 11. Then, the polymer APTMS was linked with iron oxide to form Fe/NH2 with the help of sonicator. Furthemore, the iron oxide amine was connected with Si2O to form the final product: FNS. AMP is a kind of beta – lactam, penicillin A group, on its structure had several Nitro-atoms in the amine groups such as NH2.
The results obtained were:
(a) Removal percentages of AMP on various ratio (w/w %) of synthesized FNS (conditions: C0: 20 ppm, m FNS: 20 mg, time: 20-45 °C, pH = 4, and V: 20 mL).
(b) Langmuir model curve of AMP adsorption isotherm (concentration ranged of 20-150 mg/L, time = 140 min at RT). Optimum temperature was to be found at 300C, and the adsorption was well-followed by Langmuir equation. In this work the AMP adsorption on FNS from aqua environment was examined with different ratio of iron oxide and amine modified-SiO2. FNS could be suggested as an effective material for antibiotic removal from solution, regarding on the maximum adsorption efficiency, and facile fabrication.
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