Developing a colorimetric nucleic acid-responsive DNA hydrogel using DNA proximity circuit and catalytic hairpin assembly

S Khajouei, H Ravan, A Ebrahimi - Analytica Chimica Acta, 2020 - Elsevier
The development of powerful techniques for sensitive detection of nucleic acids has
attracted much attention for fabricating accurate biosensors in various fields, such as …

DNA-functionalized monolithic hydrogels and gold nanoparticles for colorimetric DNA detection

A Baeissa, N Dave, BD Smith, J Liu - ACS applied materials & …, 2010 - ACS Publications
Highly sensitive and selective DNA detection plays a central role in many fields of research,
and various assay platforms have been developed. Compared to homogeneous DNA …

A portable and partitioned DNA hydrogel chip for multitarget detection

Y Guo, W Li, R Zhang, S Cao, X Zhu, G Chen, C Feng - Lab on a Chip, 2023 - pubs.rsc.org
A DNA hydrogel, owing to its dual properties of liquid and solid, is considered to be an ideal
material for constructing biosensors that can integrate the advantages of both wet chemistry …

Stimuli-responsive DNA-based hydrogels for biosensing applications

M Chen, Y Wang, J Zhang, Y Peng, S Li, D Han… - Journal of …, 2022 - Springer
The base sequences of DNA are endowed with the rich structural and functional information
and are available for the precise construction of the 2D and 3D macro products. The …

[HTML][HTML] DNA-based hydrogels for high-performance optical biosensing application

P Zezza, MI Lucío, Á Maquieira, MJ Bañuls - Talanta, 2022 - Elsevier
Analyte-sensitive DNA-based hydrogels find multiple applications in the field of biosensors
due to their adaptable nature. Here, the design of DNA-based hydrogel and its application …

Programmable DNA hydrogels construction with functional regulations for biosensing applications

C Yan, Y Hua, J Guo, P Miao - TrAC Trends in Analytical Chemistry, 2024 - Elsevier
DNA hydrogels are hydrophilic polymer networks formed by DNA cross-linked polymer
backbones or self-assembly of DNA building blocks. Following Watson-Crick base pairing …

Recent progress in the development of DNA-based biosensors integrated with hybridization chain reaction or catalytic hairpin assembly

L Mo, W He, Z Li, D Liang, R Qin, M Mo, C Yang… - Frontiers in …, 2023 - frontiersin.org
As isothermal, enzyme-free signal amplification strategies, hybridization chain reaction
(HCR) and catalytic hairpin assembly (CHA) possess the advantages such as high …

Smartphone-based pure DNAzyme hydrogel platform for visible and portable colorimetric detection of cell-free DNA

S Liu, Y Yang, M Shi, H Shi, D Mao, X Mao… - ACS …, 2022 - ACS Publications
Cell-free DNA (cfDNA), as a tumor marker, is of great importance for the diagnosis of cancer
and targeted therapy. However, the need for huge analytical instruments for cfDNA analysis …

Surface-immobilized and self-shaped DNA hydrogels and their application in biosensing

X Mao, G Chen, Z Wang, Y Zhang, X Zhu, G Li - Chemical science, 2018 - pubs.rsc.org
Hydrogels are of great interest in the field of biosensing for their good biocompatibility,
plasticity, and capability of providing 3D scaffolds. Nevertheless, the application of hydrogels …

Visual optical biosensors based on DNA-functionalized polyacrylamide hydrogels

I Khimji, EY Kelly, Y Helwa, M Hoang, J Liu - Methods, 2013 - Elsevier
Biosensors are devices that can provide quantitative or semi-quantitative analytical
information about target molecules, where molecular recognition is based on biomolecular …