Smart Synthesis of Trimethyl Ethoxysilane (TMS) Functionalized Core-Shell Magnetic Nanosorbents Fe3O4SiO2 : Process Optimization and Application for Extraction of Pesticides
In the current study, a smart approach for synthesizing trimethyl ethoxysilane-decorated magnetic-core silica-nanoparticles (TMS-mcSNPs) and its effectiveness as nanosorbents have been exploited. While the magnetite core was synthesized using the modified Mössbauer method, Stöber method was employed to coat the magnetic particles. The objective of this work is to maximize the magnetic properties and to minimize both particle size (PS) and particle size distribution (PSD). Using a full factorial design (2k-FFD), the influences of four factors on the coating process was assessed by optimizing the three responses (magnetic properties, PS, and PSD). These four factors were: (1) concentration of tetraethyl-orthosilicate (TEOS); (2) concentration of ammonia; (3) dose of magnetite (Fe3O4); and (4) addition mode. Magnetic properties were calculated as the attraction weight. Scanning electron microscopy (SEM) was used to determine PS, and standard deviation (±SD) was calculated to determine the PSD. Composite desirability function (D) was used to consolidate the multiple responses into a single performance characteristic. Pareto chart of standardized effects together with analysis of variance (ANOVA) at 95.0 confidence interval (CI) were used to determine statistically significant variable(s). Trimethyl ethoxysilane-functionalized mcSNPs were further applied as nanosorbents for magnetic solid phase extraction (TMS-MSPE) of organophosphorus and carbamate pesticides.
| Medienart: |
E-Artikel |
|---|
| Erscheinungsjahr: |
2020 |
|---|---|
| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:25 |
|---|---|
| Enthalten in: |
Molecules (Basel, Switzerland) - 25(2020), 20 vom: 20. Okt. |
| Sprache: |
Englisch |
|---|
| Beteiligte Personen: |
Al-Saad, Khalid [VerfasserIn] |
|---|
| Links: |
|---|
| Anmerkungen: |
Date Completed 25.03.2021 Date Revised 25.03.2021 published: Electronic Citation Status MEDLINE |
|---|
| doi: |
10.3390/molecules25204827 |
|---|
| funding: |
|
|---|---|
| Förderinstitution / Projekttitel: |
|
| PPN (Katalog-ID): |
NLM316611069 |
|---|
| LEADER | 01000naa a22002652 4500 | ||
|---|---|---|---|
| 001 | NLM316611069 | ||
| 003 | DE-627 | ||
| 005 | 20231225161449.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 231225s2020 xx |||||o 00| ||eng c | ||
| 024 | 7 | |a 10.3390/molecules25204827 |2 doi | |
| 028 | 5 | 2 | |a pubmed24n1055.xml |
| 035 | |a (DE-627)NLM316611069 | ||
| 035 | |a (NLM)33092200 | ||
| 035 | |a (PII)E4827 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rakwb | ||
| 041 | |a eng | ||
| 100 | 1 | |a Al-Saad, Khalid |e verfasserin |4 aut | |
| 245 | 1 | 6 | |a Smart Synthesis of Trimethyl Ethoxysilane (TMS) Functionalized Core-Shell Magnetic Nanosorbents Fe3O4SiO2 |b Process Optimization and Application for Extraction of Pesticides |
| 264 | 1 | |c 2020 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
| 338 | |a ƒa Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Date Completed 25.03.2021 | ||
| 500 | |a Date Revised 25.03.2021 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a In the current study, a smart approach for synthesizing trimethyl ethoxysilane-decorated magnetic-core silica-nanoparticles (TMS-mcSNPs) and its effectiveness as nanosorbents have been exploited. While the magnetite core was synthesized using the modified Mössbauer method, Stöber method was employed to coat the magnetic particles. The objective of this work is to maximize the magnetic properties and to minimize both particle size (PS) and particle size distribution (PSD). Using a full factorial design (2k-FFD), the influences of four factors on the coating process was assessed by optimizing the three responses (magnetic properties, PS, and PSD). These four factors were: (1) concentration of tetraethyl-orthosilicate (TEOS); (2) concentration of ammonia; (3) dose of magnetite (Fe3O4); and (4) addition mode. Magnetic properties were calculated as the attraction weight. Scanning electron microscopy (SEM) was used to determine PS, and standard deviation (±SD) was calculated to determine the PSD. Composite desirability function (D) was used to consolidate the multiple responses into a single performance characteristic. Pareto chart of standardized effects together with analysis of variance (ANOVA) at 95.0 confidence interval (CI) were used to determine statistically significant variable(s). Trimethyl ethoxysilane-functionalized mcSNPs were further applied as nanosorbents for magnetic solid phase extraction (TMS-MSPE) of organophosphorus and carbamate pesticides | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a full factorial design (FFD) | |
| 650 | 4 | |a magnetic nanocomposites | |
| 650 | 4 | |a magnetic solid phase extraction | |
| 650 | 4 | |a multiple responses | |
| 650 | 4 | |a pesticide removal | |
| 650 | 4 | |a trimethyl-functionalized | |
| 650 | 7 | |a Magnetite Nanoparticles |2 NLM | |
| 650 | 7 | |a Pesticides |2 NLM | |
| 650 | 7 | |a Silanes |2 NLM | |
| 650 | 7 | |a Trimethylsilyl Compounds |2 NLM | |
| 650 | 7 | |a tetraethoxysilane |2 NLM | |
| 650 | 7 | |a 42064KRE49 |2 NLM | |
| 650 | 7 | |a Silicon Dioxide |2 NLM | |
| 650 | 7 | |a 7631-86-9 |2 NLM | |
| 700 | 1 | |a Issa, Ahmed A |e verfasserin |4 aut | |
| 700 | 1 | |a Idoudi, Sourour |e verfasserin |4 aut | |
| 700 | 1 | |a Shomar, Basem |e verfasserin |4 aut | |
| 700 | 1 | |a Al-Ghouti, Mohammad A |e verfasserin |4 aut | |
| 700 | 1 | |a Al-Hashimi, Nessreen |e verfasserin |4 aut | |
| 700 | 1 | |a El-Azazy, Marwa |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Molecules (Basel, Switzerland) |d 2004 |g 25(2020), 20 vom: 20. Okt. |w (DE-627)NLM172073448 |x 1420-3049 |7 nnns |
| 773 | 1 | 8 | |g volume:25 |g year:2020 |g number:20 |g day:20 |g month:10 |
| 856 | 4 | 0 | |u http://dx.doi.org/10.3390/molecules25204827 |3 Volltext |
| 912 | |a GBV_USEFLAG_A | ||
| 912 | |a GBV_NLM | ||
| 951 | |a AR | ||
| 952 | |d 25 |j 2020 |e 20 |b 20 |c 10 | ||