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Doubly Dynamic Hydrogel Formed by Combining Boronate Ester and Acylhydrazone Bonds
hydrogel dynamic covalent bond diblock copolymers self-healing
2024/1/19
The incorporation of double dynamic bonds into hydrogels provides an effective strategy to engineer their performance on demand. Herein, novel hydrogels were PREPARED by combining two kinetically dist...
Aminoglycoside hydrogels based on dynamic covalent bonds with pH sensitivity, biocompatibility, self-healing, and antibacterial ability
aminoglycosides dynamic covalent bonds hydrogels pH sensitivity sustained antibacterial
2024/1/11
Despite aminoglycosides (AGs) have superior antibacterial ability, all approved AGs by FDA are associated with adverse effects such as ototoxicity and nephrotoxicity. To solve these problems, AGs hydr...
Dynamic covalent bonds in self-healing, shape memory, and controllable stiffness hydrogels
Thiol-thioester exchange double-network hydrogels chitosan-based hydrogels on-demand dissolution acid-based hydrogels
2024/1/11
Emerging technologies are increasingly reliant on materials that deliver multiple functionality. For example, hydrogels using dynamic covalent crosslinks have proven well-suited for the preparation of...
Room-Temperature Green Recyclable Epoxy Composites with Enhanced Mechanical and Thermal Properties Cross-Linked via B-O-C Bonds
Dynamic covalent bond Epoxy resin Green chemistry Polymerization Thermoset composites
2023/11/30
Without any catalyst, a novel way for the preparation of epoxy (EDSPs) and their composites by cross-link via dynamic B-O-C bonds was presented. The EDSPs with a glass transition temperature (T-g) of ...
Fatigue of amorphous hydrogels with dynamic covalent bonds
Hydrogel Amorphous polymer network Anti-fatigue Dynamic covalent bond
2023/11/30
Hydrogels composed of amorphous polymer networks are widely used as soft and stretchable components in diverse devices and machines. However, existing amorphous hydrogels are susceptible to fatigue fr...
Nitrogen, an element that is essential for all living cells, makes up about 78 percent of Earth’s atmosphere. However, most organisms cannot make use of this nitrogen until it is converted into ammoni...
Thermo-mechanical behavior of elastomers with dynamic covalent bonds
Elastomer Dynamic covalent bond Nanocomposite Thermo-mechanical response Constitutive modeling
2024/2/5
Natural and synthetic rubbers (networks of polymer chains connected by irreversible chemical cross-links) cannot be repaired after damage, while discarded rubbers cannot be economically recycled and r...
Teaching Life a New Trick:Bacteria Make Boron-Carbon Bonds（图）
Teaching Life a New Trick Bacteria Boron-Carbon Bonds
2017/12/18
In another feat of bioengineering, Caltech's Frances Arnold, the Linus Pauling Professor of Chemical Engineering, Bioengineering and Biochemistry, and her team have created bacteria that can, for the ...
Short Hydrogen Bonds and Proton Delocalization in Green Fluorescent Protein (GFP)
Short Hydrogen Bonds Proton Delocalization Green Fluorescent Protein GFP
2016/5/25
Short hydrogen bonds and specifically low-barrier hydrogen bonds (LBHBs) have been the focus of much attention and controversy for their possible role in enzymatic catalysis. The green fluorescent pro...
Experimental quantification of electrostatics in X-H⋅⋅⋅π hydrogen bonds
Experimental quantification electrostatics X-H⋅ ⋅ ⋅ π hydrogen bonds
2016/5/25
Hydrogen bonds are ubiquitous in chemistry and biology. The physical forces that govern hydrogen-bonding interactions have been heavily debated, with much of the discussion focused on the relative con...
Direct Measurements of Electric Fields in Weak OH••π Hydrogen Bonds
Direct Measurements Electric Fields Weak OH• • π Hydrogen Bonds
2016/5/25
Hydrogen bonds and aromatic interactions are of widespread importance in chemistry, biology, and materials science. Electrostatics play a fundamental role in these interactions, but the magnitude of t...
Electrostatic Fields Near the Active Site of Human Aldose Reductase:2.New Inhibitors and Complications Caused by Hydrogen Bonds
Humans Nitriles Aldehyde Reductase Spectrophotometry, Infrared Spectroscopy, Fourier Transform Infrared Binding Sites Catalytic Domain Protein Binding Kinetics Hydrogen Bonding
2016/5/25
Vibrational Stark effect spectroscopy was used to measure electrostatic fields in the hydrophobic region of the active site of human aldose reductase (hALR2). A new nitrile-containing inhibitor was de...
Nitrile Bonds as Infrared Probes of Electrostatics in Ribonuclease S
Nitrile Bonds Infrared Probes Electrostatics Ribonuclease S
2016/5/25
Three different nitrile-containing amino acids, p-cyanophenylalanine, m-cyanophenylalanine, and S-cyanohomocysteine, have been introduced near the active site of the semisynthetic enzyme ribonuclease ...
Influence of loading speed on a change of parameters of adhesive bonds based on cyanoacrylates
adhesive bond strength adhesive bonding technology elongation time of destruction
2015/12/30
The paper deals with a behaviour of adhesive bonds created by means of quick-setting adhesives at different speeds of a loading. The aim of the research was to simulate a change of a bearing capacity ...
The Market for American State Government Bonds in Britain and the United States, 1830 to 1843
American State Government Market
2015/9/22
The following notice must accompany the PDF on the Contributing Author's website: This is an electronic version of an article published in The Economic History Review: complete citation information fo...