The development and synthesis of hydrogels for chemical and biosensing are of great value. Hydrogels can be tailored to its own physical structure, chemical properties, biocompatibility, and sensitivity to external stimuli when being used in a specific environment. Herein, hydrogels and their ...
The common preparation methods of DNA hydrogels were introduced first, followed by a comprehensive summary of signal amplification strategies in biosensing and the application of DNA hydrogel-based biosensors. Furthermore, the limitations of DNA hydrogels in biosensing and POCT as well as future ...
DNA hydrogels offer many other advantages, such as specific molecular recognition, controlled phase transitions, and mechanical properties [20,21,22,23]. Different strategies have been devised to synthesize DNA hydrogels for biomedical engineering applications in various fields, such as biosensing, drug ...
Especially in the field of sensing, the DNA hydrogels combined with the diverse sensing platforms react with the metal ions [48,49], nucleic acids [50,51,52,53,54], proteins [55,56] and carcinogens [57], thereby converting them as changes in DNA hydrogel material properties, allowing the ...
Functionalized SiO2labeled CA19-9 antibodies: A new strategy for signal amplification of antigen–antibody sensing processes. A new strategy was described for amplifying the response of the antigen–antibody sensing processes by functionalizing SiO2nanoparticles labeled secondary ... Y Zhuo,R Yuan,YQ Ch...
In the realm of microfluidic devices, hydrogels are favored due to their ability to facilitate unrestricted diffusion, enhance fluid resistance, and establish an environment conducive to such processes. Sample preparation and analysis, cell encapsulation and culture, fluid control, sensing and detection,...
Moreover, the conductive hydrogel exhibits responsiveness to both stress and strain, enabling the detection of electrical signals under different strains. In order to further expand the application potential of hydrogels in the field of biosensing, three-dimensional (3D) printing is a promising option...
In all, pH-responsive hydrogels have presented advantages in easy accessibility in implementation and high specificity in sensing and responding to external pH changes; hence, they have been extensively used as biosensors and drug-delivery carriers. However, their inferiority in terms of the uncontrolla...
forming an elastic wall that allows the liquid ink architecture to maintain integrity for the subsequent treatments.bSchematic of the soft PEDOT device for wireless sensing and simulation.cPhotographic images showing the liquid-in-liquid 3D print with and without interfacial PPSs assembly. The scale ...
This makes NDs very useful for a wide range of applications in lubrication, tribology, bioimaging, sensing, protein mimicry, drug delivery, tissue engineering, and filler material for nanocomposites.34 The surface properties of the NDs, such as topography, wettability, and surface charge, determine ...