Category: 13822-56-5

Jang, Hyun-June published the artcileRemote Floating-Gate Field-Effect Transistor with 2-Dimensional Reduced Graphene Oxide Sensing Layer for Reliable Detection of SARS-CoV-2 Spike Proteins, HPLC of Formula: 13822-56-5, the publication is ACS Applied Materials & Interfaces (2022), 14(21), 24187-24196, database is CAplus and MEDLINE.

Despite intensive research of nanomaterials-based field-effect transistors (FETs) as a rapid diagnostic tool, it remains to be seen for FET sensors to be used for clin. applications due to a lack of stability, reliability, reproducibility, and scalability for mass production Herein, we propose a remote floating-gate (RFG) FET configuration to eliminate device-to-device variations of two-dimensional reduced graphene oxide (rGO) sensing surfaces and most of the instability at the solution interface. Also, critical mechanistic factors behind the electrochem. instability of rGO such as severe drift and hysteresis were identified through extensive studies on rGO-solution interfaces varied by rGO thickness, coverage, and reduction temperature rGO surfaces in our RFGFET structure displayed a Nernstian response of 54 mV/pH (from pH 2 to 11) with a 90% yield (9 samples out of total 10), coefficient of variation (CV) < 3%, and a low drift rate of 2%, all of which were calculated from the absolute measurement values. As proof-of-concept, we demonstrated highly reliable, reproducible, and label-free detection of spike proteins of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in a saliva-relevant media with concentrations ranging from 500 fg/mL to 5¦Ìg/mL, with an R² value of 0.984 and CV < 3%, and a guaranteed limit of detection at a few pg/mL. Taken together, this new platform may have an immense effect on positioning FET bioelectronics in a clin. setting for detecting SARS-CoV-2.

ACS Applied Materials & Interfaces 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, HPLC of Formula: 13822-56-5.

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

Sudheesh, N. published the artcileInvestigations on different efficient strategies for the selective synthesis of jasminaldehyde over HRhCO(PPh₃)₃-hexagonal mesoporous silica and chitosan catalysts, Name: 3-(Trimethoxysilyl)propan-1-amine, the publication is Reaction Kinetics, Mechanisms and Catalysis (2022), 135(3), 1485-1502, database is CAplus.

The jasminaldehyde synthesis via conventional cross-aldol condensation of heptanal with benzaldehyde using heterogeneous catalyst with a heptanal:benzaldehyde ratio of 1:4 was performed. Even with 100% conversion of heptanal with 100% selectivity, only 25% benzaldehyde reacts and 75% of benzaldehyde has to remain unreacted as the heptanal:benzaldehyde ratio was 1:4. So here, a strategy was applied in which, addition of heptanal in regular intervals to the reaction mixture was performed by keeping the ratio of heptanal:benzaldehyde as ? 1:4. This could afford to convert 62% of benzaldehyde to jasminaldehyde with 69% selectivity in 20 h. Heptanal was obtained by hydroformylation of 1-hexene. Hence in the next strategy, the investigations was performed for the synthesis of jasminaldehyde via a tandem reaction by individually carrying out hydroformylation and aldol condensation. Hydroformylation of 1-hexene to heptanal and further condensation of this product mixture with benzaldehyde to jasminaldehyde, using heterogeneous catalysts HRh(CO)(PPh₃)₃ encapsulated HMS (HF-1) and amino functionalized chitosan (CH-1) resp. were studied. The study was also extended to perform a single-pot hydroformylation and aldol condensation using heterogeneous catalysts (HF-1) and (CH-1) together. All the strategies were found to be effective for selective synthesis for jasminaldehyde, however the performance for addition of heptanal in regular intervals to the reaction mixture was remarkable due to being capable to consume 62% benzaldehyde.

Reaction Kinetics, Mechanisms and Catalysis 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 C8H5F3O3, Name: 3-(Trimethoxysilyl)propan-1-amine.

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

Shahnawaz, Nehala published the artcilePickering emulsions for the polymerization of ¦Å-caprolactone in continuous flow process, Computed Properties of 13822-56-5, the publication is Colloids and Surfaces, A: Physicochemical and Engineering Aspects (2022), 128715, database is CAplus.

Using the potential of compartmenting free enzyme in dispersion phase of Pickering emulsion, a simple continuous flow system for free enzyme catalytic cycle-opening polymerization of ¦Å-caprolactone has been studied. In order to generate suitable and stable Pickering emulsions, silica nanoparticles(SiNPs) modified with octyltrimethoxysilane (OTMS) and aminopropyltrimethoxysilane (APTMS) are synthesized, and the modification is confirmed by Fourier transformed IR (FTIR) spectroscopy and water contact angle (CA). It is found that CA values of modified SiNPs increased from 107¡ã to 168¡ã with the increase of ratio of OTMS to APTMS from 1:1 to 8:1, which indicates that wettability of SiNPs has been changed from original hydrophilic to hydrophobic and consequent has an effect on the properties of Pickering emulsions. Among the modified SiNPs, the silica modified with OTMS: APTM (2:1) can construct stable W(water)/O(toluene) Pickering emulsion, confirmed by images from confocal laser microscope. The stable Pickering emulsion comprising of Candida Antarctica lipase B dispersed in water droplets is selected as a model for investigation of conditions for ring-opening polymerization of ¦Å-caprolactone. The high monomer conversion is achieved with amount of emulsifier and enzyme being used 5 wt% and 3 wt%, resp., and flow rate 3 mL h-1in continuous flow process, which is higher than that in batch reaction system although the formula of Pickering emulsion is identical. Specially, the polycaprolactone (PCL) with an average mol. weight of 210151 g/mol, as per gel permeation chromatog. (GPC) anal., is achieved. The catalytic efficiency of enzyme for polymerization is not changed even after several cycles of use. The present enzyme immobilization within Pickering emulsion offers a green and prospective approach for synthesis of high mol. weight polymer in continuous flow process.

Colloids and Surfaces, A: Physicochemical and Engineering Aspects 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 C26H26N4O7, Computed Properties of 13822-56-5.

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

Dourbash, Fakhraddin Akbari published the artcileReduction of non-specific adsorption in label-free assays via reversible surface blocking with amphiphilic sugars, Computed Properties of 13822-56-5, the publication is Sensors and Actuators, B: Chemical (2022), 131657, database is CAplus.

We report a strategy to block non-specific binding of proteins in a label-free immunoassay using n-Dodecyl ¦Â–maltoside, an amphiphilic sugar that can be reversibly adsorbed on hydrophobic surfaces. Both the anti-fouling properties and reversibility of the blocker are documented using surface sensitive reflective interferometry. Reversible blocking is a potentially important approach to improving label-free assay technol. Because it enables the use of simple hydrophilic coatings, non-covalent probe binding chem. is sufficient and greatly simplifies surface preparation Specific detection of < 10 pg/mm2 antibody or antigen targets in the presence of a large excess of bovine serum albumin interferent is demonstrated.

Sensors and Actuators, B: Chemical 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, Computed Properties of 13822-56-5.

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

Amini, Nader published the artcileConstruction of a highly sensitive immunosensor based on antibody immunoglobulin G/3-(trimethoxysilyl) propylamine/graphene oxide for antigen-specific immunoglobulin G detection, Synthetic Route of 13822-56-5, the publication is Microchemical Journal (2022), 107218, database is CAplus.

The aim of this study is to develop an immunosensor that has the ability to detect antigen G with properties such as very low detection of limit, remarkable with no bifunctional crosslinking species and excellent activity at physiol. pH values. IgG (IgG) is found in all body fluids. When a specific bond occurs between the anti-IgG and the IgG (anti-IgG), the result is activation of the reaction against viral and bacterial diseases. For detection and determination of antibody-antigen (Rabbit IgG-AntiRabbit IgG) interactions, a novel electrochem. immunosensor based on antibody IgG/3-(trimethoxysilyl)propylamine/graphene oxide/glassy carbon (Ab/TMSPA/GO/GCE) was fabricated by using of carboxylic groups (-COOH) on graphene oxide (GO) and by exploiting 3-(trimethoxysilyl)propylamine (TMSPA) to covalently conjugate antibody mols. For characterization of the modification process of the surface of glassy carbon electrode(GCE), electrochem. impedance spectroscopy (EIS) and cyclic voltammetry (CV) were used. The change of impedance response was used for the monitoring of the interactions of antibody with different concentrations of antigen. Based on the results obtained, with increasing concentrations of antigen, the electron transfer resistance increased. The limit of detection (DL) and linear range 400 ng mL^-1 and 2-1500 ¦ÌmL^-1 were obtained.

Microchemical Journal 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, Synthetic Route of 13822-56-5.

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

Jalalzadeh-Esfahani, Mehrnoosh published the artcileImmobilization of palladium on benzimidazole functionalized mesoporous silica nanoparticles: catalytic efficacy in Suzuki-Miyaura reaction and nitroarenes reduction, HPLC of Formula: 13822-56-5, the publication is Journal of Porous Materials (2022), 29(4), 1149-1164, database is CAplus.

Benzimidazole functionalized mesoporous silica nanoparticles immobilized Pd(0)/Pd(II) has been proposed as an efficient catalyst for the one-pot preparation of biaryls via Suzuki-Miyaura cross-coupling reaction and for reduction of nitro-arenes to aromatic amines. Firstly, mesoporous silica nanoparticles (MSNs) were prepared by using soft template strategy. After template removal and subsequent functionalization by 3-aminopropyl trimethoxy silane (APS), further grafting was achieved via terephthalaldehyde (ALD) and 2-aminobenzimidazole (BzIm). Lastly palladium chloride was added to prepare the nanocatalyst. MSN-APS-ALD-BzIm-Pd has been characterized by Fourier-transform IR spectroscopy (FT-IR), Brunauer-Emmett-Teller (BET) surface area anal., powder X-Ray diffraction (PXRD), energy dispersive X-ray anal., high-resolution transmission electron microscopy, field emission scanning electron microscope, thermogravimetric anal., XPS and Inductively coupled plasma-optical emission spectroscopy (ICP-OES). After successful characterization, MSN-APS-ALD-BzIm-Pd was evaluated as a nanocatalyst in Suzuki-Miyaura cross-coupling reaction and in reduction of nitroarenes. According to the obtained results, both processes are performed in a short time and with high turnover frequency (TOF) and efficiency. Other advantages include heterogeneous and recyclable catalyst, green reaction conditions, small amounts of catalyst, facile work-up and user-friendly procedure.

Journal of Porous Materials 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, HPLC of Formula: 13822-56-5.

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

Mohd Zaini, Nurul Aizan published the artcileCuring, thermal, tensile and flammability characteristics of sepiolite/ethylene propylene diene monomer rubber composites with glut palmitate salt and silane coupling agents, COA of Formula: C6H17NO3Si, the publication is Polymer Composites (2022), 43(7), 4721-4736, database is CAplus.

The main objective of this work is to compare the effectiveness of a newly synthesized glut palmitate (GP) salt and a com. available (3-aminopropyl) trimethoxysilane (APTMS) as coupling agents in sepiolite (SEP) filled ethylene propylene diene monomer (EPDM/SEP) composites. The unmodified and modified composites with different amounts of SEP were prepared with an open two-roll mill and the morphol., cure characteristics, tensile properties, flammability, and thermal stability were studied. Fourier transform IR spectroscopy (FTIR) anal. indicated shifting of the related absorption peaks and confirmed the interaction between composite with the GP salt and APTMS and the successful modification of sepiolite particles in EPDM/SEP composites. The maximum torque (MH), scorch time (t_s2) and cure time (t₉₀) of the modified EPDM composites decreased with both coupling agents. Thermal stability reduced in the presence of coupling agents but the reduction is more pronounced in the composite with GP salt due to low-temperature degradation of the fatty acid. Compared with unmodified EPDM/SEP, the tensile strength of the modified EPDM/SEP with GP and APTMS enhanced by 15% and 52%, resp. but both elongation at break and modulus were lowered. GP and APTMS were efficient coupling agents in linking the SEP and EPDM matrix, reducing the rubber-filler interaction (Q_f/Q_g) from 1.00 for the EPDM/SEP composites to 0.76 and 0.64 for the EPDM/GP/SEP and EPDM/APTMS/SEP composites, resp.

Polymer Composites 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, COA of Formula: C6H17NO3Si.

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

Hernawan published the artcileAmino-functionalized porous chitosan as a solid base catalyst for solvent-free synthesis of chalcones, Category: catalysis-chemistry, the publication is Journal of the Taiwan Institute of Chemical Engineers (2022), 104354, database is CAplus.

Amino-functionalized porous chitosan with high sp. surface area has promising properties and used as a solid base catalyst for solvent-free synthesis of chalcones I [R = H, Cl, Me; R¹ = H, Me, OMe, Cl, OH] synthesis via Claisen-Schmidt condensation of benzaldehydes and acetophenones was reported. Amino-functionalized porous chitosan as a solid base catalyst was fabricated from porous chitosan grafted with aminopropyltriethoxysilane (APTMS). The prepared hybrid materials were characterized with pore and sp. surface area (N₂-sorption), FTIR, SEM, and accessible amine. The results revealed that the amount of APTMS had a significant effect on the physicochem. properties of amino-functionalized porous chitosan catalysts. The catalyst offered good yield synthesis, lower temperature, less reaction time, highly selective, stable, recoverable, and can be reused four times without significant loss in performance.

Journal of the Taiwan Institute of Chemical Engineers 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, Category: catalysis-chemistry.

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

Gaidukovs, Sergejs published the artcileUnderstanding the Impact of Microcrystalline Cellulose Modification on Durability and Biodegradation of Highly Loaded Biocomposites for Woody Like Materials Applications, SDS of cas: 13822-56-5, the publication is Journal of Polymers and the Environment (2022), 30(4), 1435-1450, database is CAplus.

The transition from fossil-based to bio-based materials requires in-depth environmental durability anal. for material engineering and construction applications. We report the hydrothermal aging and biodegradation effect on 6 types of compatibilized microcrystalline cellulose (MCC) and poly(butylene succinate) (PBS) composites. The prepared highly loaded systems with 70 wt% of MCC showed a strong pos. impact on the composites¡ä mech. and thermomech. properties concerning applied modifications. MCC was modified with different coupling agents, namely polyhydroxy amides (PHA), alkyl ester (EST), (3-Aminopropyl)trimethoxysilane (APTMS), maleic acid anhydride, and polymeric diphenylmethane diisocyanate (PMDI). In addition, crosslinking agent carbodiimide (CDI) was used as an alternative to MCC modification. Modification of MCC compared to unmodified composite induced the enhanced rigidity, creep properties, and thermal stability of the materials due to the crosslinking in the interface by proposed chem. treatment. PMDI and CDI chem. modification resulted in the highest elastic modulus while keeping high strength values. A significant 2.5-fold reduction of the coefficient of linear thermal expansion and decreased thermal strains for modified biocomposites were obtained. Due to the hydrophilic nature of MCC, the hydrothermal aging of the composites revealed a dramatic decrease in the elastic modulus and strength characteristics compared to neat PBS. The hydrophilicity depends on the applied surface modification as indicated by contact angle measurements and water absorption and swelling tests. EST facilitated water wetting and enhanced water penetration, and reduced material biodegradation to 30 days, a 2.5-fold improvement compared to the neat PBS polymer. In contrast, PHA, APTMS, PMDI, and CDI improved biocomposites durability while suppressing biodegradation The obtained results could be useful for selecting an optimal MCC surface modification route to design novel and perspective biocomposites with tailored durability and biodegradation and to replace polyolefin composites for wood polymer composite applications.

Journal of Polymers and the Environment 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

Montes-Zavala, I. published the artcileThermal and mechanical properties of poly(lactic acid) filled with modified silicon dioxide: importance of the surface area, Application of 3-(Trimethoxysilyl)propan-1-amine, the publication is Polymer Bulletin (Heidelberg, Germany) (2022), 79(3), 1409-1435, database is CAplus.

In this research work, the effect of the change in the surface area of silicon dioxide nanoparticles of the same size on mech. properties of poly(lactic acid) nanocomposites (PLA) was studied, as well as the role of coupling agent amount in the compatibility of these nanomaterials. We consider a spherical silicon dioxide with a surface area of 170-200 m²/g (labeled as S-SiO2) and another considered amorphous with a surface area of 180-600 m²/g (labeled as P-SiO₂). According to obtained results, for nanomaterials with high surface area, it was observed while increasing coupling agent amount, the elasticity of the composite was observed to increase. In contrast, in nanomaterials with spherical nanoparticles, it was observed that as the amount of coupling agent decreases, the resistance of the material increases, reaching a maximum when a 10:2 ratio is used. Furthermore, it is observed that the incorporation of nanoparticles with high surface areas area does not modify the crystallization rate significantly. Besides, in both cases, it was observed that the highest crystallization rate is reached when a 10:2 ratio is used. Finally, a maximum in the 10:2 ratio was observed for the compatibility in both particles, which was manifested in an increase in the storage module through a dynamic mech. anal. The rate of crystal formation as well as the number of formed crystals have a considerable effect on mech. properties of nanocomposites when the surface area is modified.

Polymer Bulletin (Heidelberg, Germany) 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, Application of 3-(Trimethoxysilyl)propan-1-amine.

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