Category: 13822-56-5

Bistaffa, Maria J. published the artcileImmunoassay platform with surface-enhanced resonance Raman scattering for detecting trace levels of SARS-CoV-2 spike protein, Formula: C6H17NO3Si, the publication is Talanta (2022), 123381, database is CAplus and MEDLINE.

The early diagnosis of Coronavirus disease (COVID-19) requires either an accurate detection of genetic material or a sensitive detection of viral proteins. In this work, we designed an immunoassay platform for detecting trace levels of SARS-CoV-2 spike (S) protein. It is based on surface-enhanced resonance Raman scattering (SERRS) of methylene blue (MB) adsorbed onto spherical gold nanoparticles (AuNPs) and coated with a 6 nm silica shell. The latter shell in the SERRS nanoprobe prevented aggregation and permitted functionalization with SARS-CoV-2 antibodies. Specificity of the immunoassay was achieved by combining this functionalization with antibody immobilization on the cover slides that served as the platform support. Different concentrations of SARS-CoV-2 antigen could be distinguished and the lack of influence of interferents was confirmed by treating SERRS data with the multidimensional projection technique Sammon’s mapping. With SERRS using a laser line at 633 nm, the lowest concentration of spike protein detected was 10 pg/mL, achieving a limit of detection (LOD) of 0.046 ng/mL (0.60 pM). This value is comparable to the lowest concentrations in the plasma of COVID-19 patients at the onset of symptoms, thus indicating that the SERRS immunoassay platform may be employed for early diagnosis.

Talanta published new progress about 13822-56-5. 13822-56-5 belongs to catalysis-chemistry, auxiliary class Organic Silicones, name is 3-(Trimethoxysilyl)propan-1-amine, and the molecular formula is C6H17NO3Si, Formula: C6H17NO3Si.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Yang, Haicun published the artcileHigh-efficient surface tailoring via reverse atom transfer radical polymerization and reversible addition-fragmentation chain-transfer polymerization in an aqueous system initiated by a monocenter redox pair, Formula: C6H17NO3Si, the publication is Journal of Polymer Science (Hoboken, NJ, United States) (2022), 60(10), 1571-1587, database is CAplus.

The commonly used multi-center initiation methods always lead to the formation of quantities of homopolymer in the surface tailoring based on reverse atom transfer radical polymerization (ATRP) and reversible addition-fragmentation chain-transfer (RAFT) polymerization In this study, a monocenter redox pair constructed of silica bearing tert-Bu hydroperoxide groups and ascorbic acid (SiO₂-TBHP/AsAc) was applied to substitute the commonly used initiation method of R-supported RAFT grafting polymerization All the propagating radicals were restricted on the surface of solid particles during the whole procedure theor., resulting in a higher grafting efficiency of 95.1% combined with the “controllable” feature at 10 h. This redox pair was also used to initiate the reverse ATRP in miniemulsion successfully with a grafting efficiency of 86.3% at 10 h. The grafting efficiency obtained under this monocenter initiation method was significantly higher than that of the frequently reported surface modification by reverse ATRP and RAFT polymerization In addition, the high-efficient surface tailoring was traced and confirmed by NMR, Fourier transform IR, XPS, thermogravimetric anal., transmission electron microscopy, and other anal. tests. The advantage of this monocenter redox pair will open a new avenue for the potential “high-efficient” surface tailoring of various materials.

Journal of Polymer Science (Hoboken, NJ, United States) published new progress about 13822-56-5. 13822-56-5 belongs to catalysis-chemistry, auxiliary class Organic Silicones, name is 3-(Trimethoxysilyl)propan-1-amine, and the molecular formula is C21H37BO, Formula: C6H17NO3Si.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Shanmugaraj, Krishnamoorthy published the artcileNoble metal nanoparticles supported on titanate nanotubes as catalysts for selective hydrogenation of nitroarenes, Name: 3-(Trimethoxysilyl)propan-1-amine, the publication is Catalysis Today (2022), 93-104, database is CAplus.

Platinum (Pt) and palladium (Pd) nanoparticles (NPs) supported on titanate nanotubes (TiNTs) Pt@TiNT and Pd@TiNT were prepared for the liquid-phase hydrogenation of nitroarenes at 25¡ãC Initially, TiNT was modified with 3-aminopropyl-trimethoxysilane to provide a strong anchoring site to trap the Pt and Pd NPs, which prevent the metal NPs from leaching. As-prepared 1 wt% of metal loading catalysts were characterized by transmission electron microscopy (TEM), nitrogen adsorption-desorption isotherms, X-ray diffraction, and XPS measurements. The TEM images confirmed that the Pt (1.70 ¡À 0.19 nm) and Pd (2.80 ¡À 0.43 nm) NPs were mainly confined into the channel of TiNTs. Both catalysts exhibited excellent catalytic performances for the reduction of nitrobenzene as a model compound under mild reaction conditions. The superior catalytic activity for the hydrogenation of nitroarenes is attributed to the small size of the Pt and Pd NPs. However, the operational stability showed that Pt@TiNT retained its catalytic performance after 10 cycles, while Pd@TiNT suffered deactivation by metal sintering after the sixth cycle. The Pt@TiNT system exhibited high efficiency in the hydrogenation of different substituted nitroarenes of pharmaceuticals interest, and it showed an excellent activity and selectivity toward the production of desired substituted anilines.

Catalysis Today published new progress about 13822-56-5. 13822-56-5 belongs to catalysis-chemistry, auxiliary class Organic Silicones, name is 3-(Trimethoxysilyl)propan-1-amine, and the molecular formula is C19H21N3O3S, Name: 3-(Trimethoxysilyl)propan-1-amine.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Shanmugaraj, Krishnamoorthy published the artcileGold nanoparticles supported on mesostructured oxides for the enhanced catalytic reduction of 4-nitrophenol in water, COA of Formula: C6H17NO3Si, the publication is Catalysis Today (2022), 383-393, database is CAplus.

In this work, Au nanoparticles supported on aluminum oxide (Au/ANT) and titanate (Au/TNT) nanotubes were synthesized for their use as catalysts in the reduction of 4-nitrophenol to produce 4-aminophenol with NaBH₄ as the reducing agent. The catalysts were prepared with a 0.5% metal loading employing the nanotube supports modified with 3-aminopropyl-trimethoxysilane (APTMS) to provide plentiful anchoring sites to trap the Au nanoparticles and prevent their agglomeration. All materials were characterized using a range of anal. techniques, and it was found that Au zero-valent nanoparticles were homogenously supported on the inner/outer surfaces of the nanotubular-structured carriers. Both catalytic systems were highly active and selective in the reduction of 4-nitrophenol, giving TOF values of 20,561 and 19,560 h^-1 for Au/TNT and Au/ANT, resp. The excellent catalytic activity was attributed to the highly dispersed Au clusters on the support surfaces through enhanced functionalization with APTMS, and the confinement effect of the nanotubular carriers. Furthermore, Au/TNT exhibited a high operational stability for the reduction of 4-nitrophenol reaching 10 catalytic cycles with only a moderate decrease in the conversion level after the seventh cycle, which was attributed to a degree of metal leaching. Finally, the catalytic reduction performance of the Au/TNT catalyst was tested in different nitroarene-substituted pharmaceuticals, and revealed a high activity (>99% after 60 min of reaction) and selectivity toward production of the desired substituted anilines, thereby highlighting the potential of this catalyst for application in these processes.

Catalysis Today published new progress about 13822-56-5. 13822-56-5 belongs to catalysis-chemistry, auxiliary class Organic Silicones, name is 3-(Trimethoxysilyl)propan-1-amine, and the molecular formula is C18H34N4O5S, COA of Formula: C6H17NO3Si.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Shalini Devi, K. S. published the artcileHoisting the photovoltaic performance by photocharging and plasmonic effect via aminosilane-protected silver/barium titanate for dye-sensitized solar cells, Recommanded Product: 3-(Trimethoxysilyl)propan-1-amine, the publication is International Journal of Energy Research (2022), 46(7), 9710-9719, database is CAplus.

Summary : Recently, oxide perovskites coupled with plasmonic metal nanoparticles have focused on improving the efficiency of dye-sensitized solar cells. However, the corrosion of metal nanoparticles with electrolyte hinders the practical applications. The combination of oxide perovskites with plasmonic metal nanoparticles shielded by amino silicates will provide an alternate solution to the existing difficulties. In that note, BaTiO3 nanoparticles are synthesized using sol-gel method and designated as BTO, followed by mixing up with different aminosilicates bounded Ag nanoparticles by photochem. reduction method and used as a photoanode for DSSC. The observed results clearly confirms the increase in the number of amino groups from silanes tends show the decrease in the band gap with increment in the VOC is due to upward shift of conduction band edge. The enhanced photovoltaic performance has been exhibited by APTMS-bounded Ag/BTO (AMBTO) is due to the presence of mono amine group in silicate, that helps in effective binding of Ag as well as the presence of -O-Si-O- prevents the corrosion of Ag from the electrolyte. This leads to increase in photocurrent of AMBTO-based photoanode of DSSC on measuring its photovoltaic performance under full sunlight illumination (100 mW cm^-2, AM 1.5 G). The maximum obtained JSC, VOC, FF, and power conversion efficiency offered by AMBTO were 13.43 mA cm^-2, 0.77 V, 57.2%, and 5.88%, resp. About 39% improvement has been observed in AMBTO compared to BTO photoanode-based DSSC. Thus, AMBTO can be considered as a potential candidate for the photovoltaic applications.

International Journal of Energy Research published new progress about 13822-56-5. 13822-56-5 belongs to catalysis-chemistry, auxiliary class Organic Silicones, name is 3-(Trimethoxysilyl)propan-1-amine, and the molecular formula is C18H12FN, Recommanded Product: 3-(Trimethoxysilyl)propan-1-amine.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Nuri, Ayat published the artcilePd Nanoparticles Stabilized on the Cross-Linked Melamine-Based SBA-15 as a Catalyst for the Mizoroki-Heck Reaction, Quality Control of 13822-56-5, the publication is Catalysis Letters (2022), 152(4), 991-1002, database is CAplus.

Mesoporous SBA-15 silicate with a high surface area was prepared by a hydrothermal method, successively modified by organic melamine ligands and then used for deposition of Pd nanoparticles onto it. The synthesized materials were characterized with IR spectroscopy (FT-IR), thermogravimetric anal. (TGA), nitrogen physisorption, SEM (SEM) coupled with energy dispersive X-ray anal. (EDX), transmission electron microscopy (TEM), NMR (NMR) and inductively coupled plasma (ICP-OES). The catalyst was effectively used in the Mizoroki-Heck coupling reaction of various reactants in the presence of an organic base giving the desired products in a short reaction time and with small catalysts loadings. The reaction parameters such as the base type, amounts of catalyst, solvents, and the temperature were optimized. The catalyst was easily recovered and reused at least seven times without significant activity losses.

Catalysis Letters published new progress about 13822-56-5. 13822-56-5 belongs to catalysis-chemistry, auxiliary class Organic Silicones, name is 3-(Trimethoxysilyl)propan-1-amine, and the molecular formula is C6H17NO3Si, Quality Control of 13822-56-5.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Mercado, D. Fabio published the artcileSynthesis and use of functionalized SiO₂ nanoparticles for formulating heavy oil macroemulsions, Quality Control of 13822-56-5, the publication is Chemical Engineering Science (2022), 117531, database is CAplus.

There has been a growing interest in applying nanoparticles for enhanced oil recovery. Within this context, there is a need to understand the influence of the factors involved in the formulation of nanoparticle based emulsions over their properties. In this contribution, functionalized SiO₂ nanoparticles of two different sizes were synthesized and used as surfactants for the formulation of emulsions with two model oils: squalane and vacuum gas oil. Factorial experiments were made to analyze effects of particle size, water content, emulsification energy, and of the non-additive (second and third order interactions) effects between these variables over droplet size distributions, polydispersity, and over the rheol. profiles of the formulated emulsions. It was found that the functionalized SiO₂ nanoparticles produced either water in oil (W/O) or oil in water (O/W) macroemulsions depending on the chem. nature of the oil phase; namely, squalane made W/O emulsions and vacuum gas oil made O/W emulsions. Addnl., it was demonstrated that non-additive factors play an important role over the properties of the emulsions, especially for the vacuum gas oil based emulsions. Therefore, this work demonstrates that simpler linear relationships do not suffice for finding the best conditions for formulating crude oil type emulsions aimed for applications such as enhanced oil recovery.

Chemical Engineering Science published new progress about 13822-56-5. 13822-56-5 belongs to catalysis-chemistry, auxiliary class Organic Silicones, name is 3-(Trimethoxysilyl)propan-1-amine, and the molecular formula is C6H17NO3Si, Quality Control of 13822-56-5.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Eisapour, Mohammad published the artcileSynthesize and Characterize Branched Magnetic Nanoparticles for the Removal of Pb(II), Cu(II), and Co(II) from Aqueous Solution in Batch System, Safety of 3-(Trimethoxysilyl)propan-1-amine, the publication is International Journal of Environmental Research (2022), 16(3), 29, database is CAplus.

In this research, branched magnetic nanoparticles with dendritic amine groups were prepared and functionalized. These nanoparticles have a clear core-shell structure, uniform size, and high magnetization. The synthesized Fe₃O₄@SiO₂/Branched by Fourier transform IR spectroscopy (FTIR), thermogravimetric anal. (TGA), X-ray powder diffraction (XRD), scanning electron microscope (SEM), Transmission Electron Microscopy (TEM), zeta-potential measurement, and vibrating sample magnetometer (VSM) Characterization of nanoparticles. The effects of different factors were studied, including pH, equilibration time, metal concentration, Fe₃O₄@SiO₂/Branched dose, and temperature The kinetic anal. showed that the adsorption process was successfully adjusted using the pseudo-second kinetic model. The adsorption isotherm data are fitted using a Langmuir model. The adsorption of metal ions on Fe₃O₄@SiO₂/Branched is temperature-dependent and increases with the increase of system temperature, indicating the endothermic and spontaneous nature of adsorption. The maximum adsorption capacities of Pb(II), Cu(II), and Co(II) are 311, 204, and 146 mg/g, resp. The Fe₃O₄@SiO₂/Branched was regenerated and it was found that the adsorption capacity was not significantly reduced after repeated use for five times in the continuous adsorption and desorption cycle.

International Journal of Environmental Research published new progress about 13822-56-5. 13822-56-5 belongs to catalysis-chemistry, auxiliary class Organic Silicones, name is 3-(Trimethoxysilyl)propan-1-amine, and the molecular formula is C6H17NO3Si, Safety of 3-(Trimethoxysilyl)propan-1-amine.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Mohammadi Ziarani, Ghodsi published the artcileSpiroindeno-pyridineindoles (SIPIs) as new visible colorimetric pH indicators, Quality Control of 13822-56-5, the publication is Chemosphere (2022), 135630, database is CAplus and MEDLINE.

Some new, highly selective, and sensitive colorimetric pH indicators, spiro[4H-indeno-[1,2-b]pyridine-4,3′-[3H]indoles] I (R¹ = H, Bn; R² = Me, Ph; R³ = Et; X = Br, I, F, etc.) (SIPIs) in aqueous solution were developed. SIPIs I were synthesized via a one-pot four-component condensation of isatin derivatives, II β-diketones R₂C(O)CH₂C(O)OEt, 1,3-indandione, and ammonium acetate using FSi-PrNH-BuSO₃H as a nanocatalyst in EtOH. According to the exptl. evaluations, it was found that SIPI derivatives are pH indicators for naked-eye detection of OH ion with intense color changes from orange to purple in the pH range of 10.3-12.

Chemosphere published new progress about 13822-56-5. 13822-56-5 belongs to catalysis-chemistry, auxiliary class Organic Silicones, name is 3-(Trimethoxysilyl)propan-1-amine, and the molecular formula is C6H17NO3Si, Quality Control of 13822-56-5.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Polster, Jake W. published the artcileRectified and Salt Concentration Dependent Wetting of Hydrophobic Nanopores, SDS of cas: 13822-56-5, the publication is Journal of the American Chemical Society (2022), 144(26), 11693-11705, database is CAplus and MEDLINE.

Nanopores lined with hydrophobic groups function as switches for water and all dissolved species, such that transport is allowed only when applying a sufficiently high transmembrane pressure difference or voltage. Here we show a hydrophobic nanopore system whose wetting and ability to transport water and ions is rectified and can be controlled with salt concentration The nanopore we study contains a junction between a hydrophobic zone and a pos. charged hydrophilic zone. The nanopore is closed for transport at low salt concentrations and exhibits finite current only when the concentration reaches a threshold value that is dependent on the pore opening diameter, voltage polarity and magnitude, and type of electrolyte. The smallest nanopore studied here had a 4 nm diameter and did not open for transport in any concentration of KCl or KI examined A 12 nm nanopore was closed for all KCl solutions but conducted current in KI at concentrations above 100 mM for neg. voltages and opened for both voltage polarities at 500 mM KI. Nanopores with a hydrophobic/hydrophilic junction can thus function as diodes, such that one can identify a range of salt concentrations where the pores transport water and ions for only one voltage polarity. Mol. dynamics simulations together with continuum models provided a multiscale explanation of the observed phenomena and linked the salt concentration dependence of wetting with an electrowetting model. Results presented are crucial for designing next-generation chem. and ionic separation devices, as well as understanding fundamental properties of hydrophobic interfaces under nanoconfinement. Pore opening probability for nanopores in a wide range of KCl and KI concentrations (a-d) TEM images of as prepared pores are shown on the left. The middle and right-hand side panels show data for KCl and KI, resp.

Journal of the American Chemical Society published new progress about 13822-56-5. 13822-56-5 belongs to catalysis-chemistry, auxiliary class Organic Silicones, name is 3-(Trimethoxysilyl)propan-1-amine, and the molecular formula is C6H17NO3Si, SDS of cas: 13822-56-5.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia