Category: 2479-62-1

Guo, Hui published the artcileHydrogels with Dual Thermoresponsive Mechanical Performance, Category: amides-buliding-blocks, the publication is Macromolecular Rapid Communications (2017), 38(17), n/a, database is CAplus and MEDLINE.

Dual thermoresponsive chem. hydrogels, combining poly(N-isopropylacrylamide) side-chains within a poly(N-acryloylglycinamide) network, are designed following a simple and versatile procedure. These hydrogels exhibit two phase transitions both at low (upper critical solution temperature) and high (lower critical solution temperature) temperatures, thereby modifying their swelling, rheol., and mech. properties. These novel thermo-schizophrenic hydrogels pave the way for the development of thermotoughening wet materials in a broad range of temperatures

Macromolecular Rapid Communications published new progress about 2479-62-1. 2479-62-1 belongs to amides-buliding-blocks, auxiliary class Monomers,Acrylamide Monomers, name is N-(2-Amino-2-oxoethyl)acrylamide, and the molecular formula is C5H8N2O2, Category: amides-buliding-blocks.

Referemce:
https://en.wikipedia.org/wiki/Amide,
Amide – an overview | ScienceDirect Topics

Kappauf, Katrin published the artcileModulation of Transaminase Activity by Encapsulation in Temperature-Sensitive Poly(N-acryloyl glycinamide) Hydrogels, Category: amides-buliding-blocks, the publication is ChemBioChem (2021), 22(24), 3452-3461, database is CAplus and MEDLINE.

Smart hydrogels hold much potential for biocatalysis, not only for the immobilization of enzymes, but also for the control of enzyme activity. We investigated upper critical solution temperature-type poly N-acryloyl glycinamide (pNAGA) hydrogels as a smart matrix for the amine transaminase from Bacillus megaterium (BmTA). Phys. entrapment of BmTA in pNAGA hydrogels results in high immobilization efficiency (>89%) and high activity (97%). The temperature-sensitiveness of pNAGA is preserved upon immobilization of BmTA and shows a gradual deswelling upon temperature reduction While enzyme activity is mainly controlled by temperature, deactivation tended to be higher for immobilized BmTA (=62-68%) than for free BmTA (=44%), suggesting a deactivating effect due to deswelling of the pNAGA gel. Although the deactivation in response to hydrogel deswelling is not yet suitable for controlling enzyme activity sufficiently, it is nevertheless a good starting point for further optimization.

ChemBioChem published new progress about 2479-62-1. 2479-62-1 belongs to amides-buliding-blocks, auxiliary class Monomers,Acrylamide Monomers, name is N-(2-Amino-2-oxoethyl)acrylamide, and the molecular formula is C5H8N2O2, Category: amides-buliding-blocks.

Referemce:
https://en.wikipedia.org/wiki/Amide,
Amide – an overview | ScienceDirect Topics

Zhou, Jianlin published the artcileDual Self-Healing Anticorrosion Coatings Based on Multibranched Waterborne Polyurethane and TiO₂ Nanocapsule-Loaded Graphene Oxide, Quality Control of 2479-62-1, the publication is Advanced Materials Interfaces (2022), 9(9), 2102001, database is CAplus.

The study reports the successful fabrication of a novel dual self-healing anticorrosion coating based on benzotriazole loaded TiO₂ nanocapsule (BTC) modified graphene oxide sheets and the multibranched waterborne polyurethane (WPU). When corrosion occurs, the benzotriazole (BZT) in nanocapsules can be slowly released from the coating forming a passivation layer on the metal surface to isolate the corrosive mediums. The anticorrosion performance of coating is examined by performing electrochem. tests. As indicated from the results, after being immersed in 3.5 wt% NaCl for 7 d, the prepared coating shows excellent anticorrosion performance with inhibition efficiency of 99%. In addition, the φ in 10⁴ Hz increases from 10° to 30°, and Log|Z|_0.01Hz remains at nearly 4.5 with the immersing time extended to 30 d. Moreover, when the coating is phys. damaged, the damaged coating can be self-repaired by the reversible disulfide bonds in WPU and the releasing of the BZT simultaneously. Compared with other control anticorrosion coatings, the healed coating achieves significantly improved anticorrosion performance, and the damaged coating can still sustain the original anticorrosion performance after self-healing. This study proposes a novel fabrication strategy for self-healing materials, and it can contribute to the long-term use of anticorrosion coatings.

Advanced Materials Interfaces published new progress about 2479-62-1. 2479-62-1 belongs to amides-buliding-blocks, auxiliary class Monomers,Acrylamide Monomers, name is N-(2-Amino-2-oxoethyl)acrylamide, and the molecular formula is C8H16O2, Quality Control of 2479-62-1.

Referemce:
https://en.wikipedia.org/wiki/Amide,
Amide – an overview | ScienceDirect Topics

Zhou, Jianlin published the artcileSelf-Healing Titanium Dioxide Nanocapsules-Graphene/Multi-Branched Polyurethane Hybrid Flexible Film with Multifunctional Properties toward Wearable Electronics, Application In Synthesis of 2479-62-1, the publication is Advanced Functional Materials (2021), 31(29), 2011133, database is CAplus.

The integration of self-healing capabilities into flexible electronics arouses extensive attention. The application of self-healing electronics with multifunctional properties in a variety of exceptional environments has been identified to be significantly challenging and not yet proven to be fully viable thus far. In the present study, the self-healing octadecane loaded titanium dioxide nanocapsules (OTNs)-graphene/multi-branched polyurethane (PU) hybrid flexible multifunctional film is successfully prepared The prepared film exhibits a novel self-repair capability that consists of disulfide bonds in the leading chains for efficient self-healing of PU damage, as well as multiple amino groups in the branches for damage between OTNs-graphene and PU. Impacted by the constructed self-healing system and well-dispersed OTNs-graphene, the prepared flexible film demonstrates a prominent performance in piezoresistive sensing and a desirable outcome of UV protection properties, which can effectively prolong its service life, especially when used outdoors. Moreover, the film exhibits thermal insulating properties, capable of offering a suitable route for thermal protection of bio-integrated wearable electronic devices system. Thus, this self-healing multifunctional film is promising in wearable electronics, human-machine interaction, artificial intelligence devices, etc.

Advanced Functional Materials published new progress about 2479-62-1. 2479-62-1 belongs to amides-buliding-blocks, auxiliary class Monomers,Acrylamide Monomers, name is N-(2-Amino-2-oxoethyl)acrylamide, and the molecular formula is C15H24S, Application In Synthesis of 2479-62-1.

Referemce:
https://en.wikipedia.org/wiki/Amide,
Amide – an overview | ScienceDirect Topics

Yilmaz, Sakir published the artcileBentonite grafted with poly(N-acryloylglycineamide) brush: A novel clay-polymer brush hybrid material for the effective removal of Hg(II) and As(V) from aqueous environments, Name: N-(2-Amino-2-oxoethyl)acrylamide, the publication is Colloids and Surfaces, A: Physicochemical and Engineering Aspects (2021), 125979, database is CAplus.

The present work was conducted to indicate bentonite grafted with poly(N-acryloylglycineamide) (PNAGA@BNT) could be applied as a novel clay-polymer brush hybrid material for the removal of Hg(II) and As(V) from aqueous environments. The PNAGA@BNT synthesized via the surface initiated reversible addition fragmentation chain transfer (SI-RAFT) polymerization method was characterized by BET anal., Fourier transform IR spectrometry (FTIR), X-ray diffraction (XRD), XPS, SEM (SEM) and water contact angle measurements. Hg(II)% and As(V)% removal onto PNAGA@BNT was carried out with response surface methodol. (RSM). The effects of the operating parameters, like pH, heavy metal ion concentration (Co), PNAGA@BNT amount, and mixing time were evaluated by central composite design (CCD). The optimum Hg(II) adsorption conditions from the CCD were found to be 6.54, 24.46 mg/L, 23.98 mg, and 106.83 min for pH, Co, PNAGA@BNT dosage, and mixing time, resp. On the other hand, the optimum points obtained for As(V) adsorption from CCD were 4.36, 7.30 mg/L, 25.75 mg, and 83.37 min for pH, Co, PNAGA@BNT dosage, and mixing time, in their given order. At the optimal points obtained for Hg(II) and As(V) adsorption, the maximum Hg(II)% and As(V)% removal efficiencies were 98.58% and 90.95%, resp. The kinetic models with best fit were the pseudo-second-order kinetic model for Hg(II) and As(V) and Weber-Morris intraparticle diffusion was the dominant mechanism for As(V) and Hg(II). Among the isotherms, the equilibrium data best fit the Langmuir and Freundlich models for Hg(II), and the Dubinin-Radushkevich (D-R) and Freundlich models for As(V). Moreover, thermodn. studies suggested the adsorption process was exothermic and spontaneous.

Colloids and Surfaces, A: Physicochemical and Engineering Aspects published new progress about 2479-62-1. 2479-62-1 belongs to amides-buliding-blocks, auxiliary class Monomers,Acrylamide Monomers, name is N-(2-Amino-2-oxoethyl)acrylamide, and the molecular formula is C24H29N5O3, Name: N-(2-Amino-2-oxoethyl)acrylamide.

Referemce:
https://en.wikipedia.org/wiki/Amide,
Amide – an overview | ScienceDirect Topics

Li, Qing Yu published the artcileT-shaped trifunctional crosslinker-toughening hydrogels, Name: N-(2-Amino-2-oxoethyl)acrylamide, the publication is Science China: Technological Sciences (2020), 63(9), 1721-1729, database is CAplus.

Abstract: Currently, development of a single network hydrogel with a high fracture toughness in swelling equilibrium remains challenging. In this work, a novel T-shaped trifunctional crosslinker (T-NAGAX) with dual vinyl on the backbone and dual amide group on the side chain is synthesized by Michael addition and acylation. The T-NAGAX is used to prepare chem. crosslinked hydrogel by one-pot photo-initiated polymerization The resulting single network hydrogels of representative polyacrylamide (PAAm), poly(N-acryloyl 2-glycine) (PACG), and poly(N-iso-Pr acrylamide) (PNIPAM) crosslinked with T-NAGAX with addnl. hydrogen-bonds exhibit much better fracture toughness than that of the corresponding hydrogels crosslinked by N,N’ -methylene bisacrylamide, a conventional crosslinker; higher mech. strengths are observed in the T-NAGAX crosslinked hydrogels. These hydrogels are promising to be exploited as load-bearing soft tissue substitutes. This T-NAGAX crosslinker can be expanded to toughen various types of hydrogels.

Science China: Technological Sciences published new progress about 2479-62-1. 2479-62-1 belongs to amides-buliding-blocks, auxiliary class Monomers,Acrylamide Monomers, name is N-(2-Amino-2-oxoethyl)acrylamide, and the molecular formula is C5H8N2O2, Name: N-(2-Amino-2-oxoethyl)acrylamide.

Referemce:
https://en.wikipedia.org/wiki/Amide,
Amide – an overview | ScienceDirect Topics

Yao, Yuan published the artcileMultiple H-Bonding Chain Extender-Based Ultrastiff Thermoplastic Polyurethanes with Autonomous Self-Healability, Solvent-Free Adhesiveness, and AIE Fluorescence, Recommanded Product: N-(2-Amino-2-oxoethyl)acrylamide, the publication is Advanced Functional Materials (2021), 31(4), 2006944, database is CAplus.

Developing an autonomous room temperature self-healing supramol. polyurethane (PU) with toughness and stiffness remains a great challenge. Herein, a novel concept that utilizes a T-shaped chain extender with double amide hydrogen bonds in a side chain to extend PU prepolymers to construct highly stiff and tough supramol. PU with integrated functions is reported. Mobile side-chain H-bonds afford a large flexibility to modulate the stiffness of the PUs ranging from highly stiff and tough elastomer (105.87 MPa Young’s modulus, 27 kJ m^-2 tearing energy), to solvent-free hot-melt adhesive, and coating. The dynamic side-chain multiple H-bonds afford an autonomous self-healability at room temperature (25°C). Due to the rapid reconstruction of hydrogen bonds, this PU adhesive demonstrates a high adhesion strength, fast curing, reusability, long-term adhesion, and excellent low-temperature resistance. Intriguingly, the PU emits intrinsic blue fluorescence presumably owing to the aggregation-induced emission of tertiary amine domains induced by side-chain H-bonds. The PU is explored as a counterfeit ink coated on the predesigned pattern, which is visible-light invisible and UV-light visible. This work represents a universal and facile approach to fabricate supertough supramol. PU with tailorable functions by chain extension of PU prepolymers with multiple H-bonding chain extenders.

Advanced Functional Materials published new progress about 2479-62-1. 2479-62-1 belongs to amides-buliding-blocks, auxiliary class Monomers,Acrylamide Monomers, name is N-(2-Amino-2-oxoethyl)acrylamide, and the molecular formula is C18H28B2O4, Recommanded Product: N-(2-Amino-2-oxoethyl)acrylamide.

Referemce:
https://en.wikipedia.org/wiki/Amide,
Amide – an overview | ScienceDirect Topics

Xue, Xuan published the artcileUpper critical solution temperature thermo-responsive polymer brushes and a mechanism for controlled cell attachment, COA of Formula: C5H8N2O2, the publication is Journal of Materials Chemistry B: Materials for Biology and Medicine (2017), 5(25), 4926-4933, database is CAplus and MEDLINE.

We report the synthesis of thermo-responsive polymer brushes with Upper Critical Solution Temperature (UCST)-type behavior on glass to provide a new means to control cell attachment. Thermoresponsive poly(N-acryloyl glycinamide)-stat-poly(N-phenylacrylamide) (PNAGAm-PNPhAm) brushes with three different monomer ratios were synthesized to give tunable phase transition temperatures (T_p) in solution Surface energies of surface-grafted brushes of these polymers at 25, 32, 37 and 50 °C were calculated from contact angle measurements and at. force microscopy (AFM) studies confirmed that these polymers were highly extended at temperatures close to T_p in physiol.-relevant media. Importantly, NIH-3T3 cells were attached on the collapsed PNAGAm-PNPhAm brush surface at 30 °C after 20 h incubation, while release of cells from the extended brushes was observed within 2 h after the culture temperature was switched to 37 °C. Furthermore, the changes in cell attachment followed changes in the Lewis base component of surface energy. The results indicate that, in contrast to the established paradigm of enhanced cell attachment to surfaces where polymers are above a Lower Critical Solution Temperature (LCST), these novel substrates enable detachment of cells from surfaces at temperatures above a UCST. In turn these responsive materials open new avenues for the use of polymer-modified surfaces to control cell attachment for applications in cell manufacture and regenerative medicine.

Journal of Materials Chemistry B: Materials for Biology and Medicine published new progress about 2479-62-1. 2479-62-1 belongs to amides-buliding-blocks, auxiliary class Monomers,Acrylamide Monomers, name is N-(2-Amino-2-oxoethyl)acrylamide, and the molecular formula is C7H13NO2, COA of Formula: C5H8N2O2.

Referemce:
https://en.wikipedia.org/wiki/Amide,
Amide – an overview | ScienceDirect Topics

Matsuda, Takehisa published the artcileSynthesis of Multifunctional, Nonionic Vinyl Polymers and Their ¹³C Spin-Lattice Relaxation Times in Deuterium Oxide Solutions, Synthetic Route of 2479-62-1, the publication is Macromolecules (1996), 29(16), 5375-5383, database is CAplus.

A study was conducted to design very hydrophilic vinyl polymers. Various nonionic, water-soluble polymers with hydroxyl or primary amide groups in their side chains were prepared by radical polymerization of corresponding monomers or by polymer reactions to modify side chains derivatized in poly(vinyl ethers). The functional groups interconnecting a hydrophobic main chain and a side chain included ether, secondary and tertiary amide, and ester groups. The number of hydroxyl groups incorporated in the side chains per monomer unit ranged from one to nine, and that of primary amide groups ranged from one to three. The spin-lattice relaxation times (T₁) of individual carbon atoms were measured in deuterium oxide (D₂O) by an inversion-recovery Fourier transform method as an indicator of chain or group mobility. As for the effect of interconnecting groups on the mobilities of main and side chains, these increased in the following order: ether > ester and tertiary amide > secondary amide. Considerably reduced T₁ values were found with increasing number of hydroxyl groups in the side chains. The addition of lithium bromide to D₂O solutions substantially increased T₁ values for hydroxyl group-derivatized polymers, indicating that intramol. hydrogen bonds responsible for reduced T₁ values are broken to enhance chain or group mobility. On the other hand, minimal effect of lithium bromide addition was found for ether- or primary amide-derivatized polymers. These results suggest that, when an ether group is incorporated as an interconnecting group into a vinyl polymer and primary amide groups are well distributed at the terminal ends of the side chains, such a polymer could have high chain and group mobility, which may impart high hydrophilicity. The mol. structure-mobility relationship was discussed in terms of T₁ values. It is suggested that a combination of factors, such as the structure of interconnecting group, the structure of hydrophilic group, intra- and interpendant-group interactions, hydrogen bonding, and steric factors, all contribute to T₁ values.

Macromolecules published new progress about 2479-62-1. 2479-62-1 belongs to amides-buliding-blocks, auxiliary class Monomers,Acrylamide Monomers, name is N-(2-Amino-2-oxoethyl)acrylamide, and the molecular formula is C5H8N2O2, Synthetic Route of 2479-62-1.

Referemce:
https://en.wikipedia.org/wiki/Amide,
Amide – an overview | ScienceDirect Topics

Wang, Xuan published the artcileRuthenium-Promoted C-H Activation Reactions between DNA-Conjugated Acrylamide and Aromatic Acids, SDS of cas: 2479-62-1, the publication is Organic Letters (2018), 20(16), 4764-4768, database is CAplus and MEDLINE.

The first example of DNA-compatible C-H activation reaction between DNA-conjugated acrylamides and aromatic acids has been developed. This new transformation enables aromatic acid, previously considered as monofunctional building block, to act like a bifunctional building block for the DNA encoded library synthesis. The general scope of aromatic acid was established for this new on-DNA C-H activation, which paved the way for its application in combinatorial library preparation

Organic Letters published new progress about 2479-62-1. 2479-62-1 belongs to amides-buliding-blocks, auxiliary class Monomers,Acrylamide Monomers, name is N-(2-Amino-2-oxoethyl)acrylamide, and the molecular formula is C6H8O4, SDS of cas: 2479-62-1.

Referemce:
https://en.wikipedia.org/wiki/Amide,
Amide – an overview | ScienceDirect Topics