Synthesis of chitosan and amine functionalized MCM‐41 nanocomposite for the removal of acetylsalicylic acid from water using central composite design

Abstract

In this study, the synthesis of the mesoporous mobile composite material No. 41 (MCM-41) modified with 3-aminopropyltriethoxysilane (APS) and chitosan (Cs) was carried out successfully to form novel Cs/MCM-41-APS nanocomposite (NC). It was also reported that its application as an adsorbent has removed aspirin from water. The structure and morphology of NC was Recently, water pollution has been a warning environmental problem due to pharmaceuticals [1] and personal care product residuals, [1,2] which are produced by homemade and hospital sewage, usage of over-the-counter drugs, and agricultural and industrial wastes, [3] These products are not biodegradable and are not easily degraded in the treatment process. [4] Among various pharmaceuticals pollutants, acetylsalicylic acid, also known as aspirin, is one of the non-steroidal and antiinflammatory drugs widely used by humans and

Dansyl fluorophore functionalized hierarchically structured mesoporous silica nanoparticles as novel latent fingerprint development agents

“…49 There are also absorption peaks arising from asymmetric (1244 cm −1 , 1068 cm −1 ) and symmetric (968 cm −1 ) Si-O-Si vibrations. The band at 1630 cm −1 is attributed to the vibration of adsorbed H 2 O 29,50,51 and the band at 803 cm −1 corresponds to the asymmetric vibration of Si-OH associated with the formation of the condensed silica structure. 29,52,53 In the MCM-41@Ch spectrum, the absorption bands at ca.…”

“…29,52,53 In the MCM-41@Ch spectrum, the absorption bands at ca. 3130 cm −1 and 1549 cm −1 are characteristic of stretching and bending vibrations of the -NH 2 group 42,44,50 related to chitosan (and/or APTES). The absorption band at 1630 cm −1 is attributed to the stretching mode of the -C]O carbonyl group within the N-acetyl units (the degree of deacetylation of chitosan is ∼85% 44 ).…”

Biodegradable Dual-Function Nanocomposite Hydrogels for Prevention of Bisphosphonate-Related Osteonecrosis of the Jaw

“…To suitably utilize MSNs as hydrophobic drug carriers, surface functionalizations of MSNs through silylation have been attempted. Amine-functionalized MCM-41 (NMCM-41), obtained from the surface modification by 3-aminopropyltriethoxysilane (APTES), is one of the interesting functionalized MCM-41 materials that have been widely used as carriers for poorly water-soluble drugs and active agents. − …”

Production and characterization of composite activated carbon from potato peel waste for cyanide removal from aqueous solution

“…6 Various processes were conducted for cyanide removal from wastewater effluents including chemical oxidation, particularly chlorination oxidation, oxidation by hydrogen peroxide, [7][8][9] and oxidation by the acid of Caro. 10,11 In addition, photooxidation, 12,13 biological degradation, 12,14 electrochemical processes, 15 and adsorption [16][17][18][19][20][21][22][23][24][25][26][27][28][29] were proposed. However, these techniques are more costly and use hazardous chemicals for treatments.…”