Aggregation Induced Emission Supramolecular Functionalized Benzimidazole Hydrogel for Metal‐Ion Responsive and Fluorescent Anti‐Counterfeiting

Hu, Yin-Ping; Naeem, Muhammad; Wang, Jiao; Yao, Hong; Zhang, Youming; Wei, Tai‐Bao; Lin, Qi

doi:10.1002/slct.202202348

Cited by 3 publications

(1 citation statement)

References 43 publications

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“…Fabricating innovative materials with thermochromic characteristics is therefore crucial to the development of cutting-edge authentication devices free of background interferences . Recently, anticounterfeiting ink made from a variety of thermochromic materials such as polymer dots and supramolecular hydrogels, has been reported. , Thermochromism is a temperature-triggered reversible phase transition between two different color states of different wavelengths. The development of temperature-induced chromic polymer ink has been the focus of recent studies because of their remarkable stability and colorimetric qualities .…”

Section: Introductionmentioning

confidence: 99%

Preparation of Self-Healing Anthocyanidin-Containing Thermochromic Alginate Ink for Authentication Purposes

Mogharbel,

Ashour,

Alkhamis

et al. 2023

ACS Omega

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Thermochromic inks have proven to be a promising security encoding approach for making commercially available products less susceptible to forgery. However, thermochromic inks have been plagued with poor durability. Thus, self-healable hydrogels can be used as self-repair inks with better durability. Herein, we combined hybrid cellulose nanofibers (CNFs) and sodium alginate (SA) with anthocyanidin(Cy)-based Brassica oleracea L. var. capitata extract in the existence of mordant (ferrous sulfate) to create a self-healing ink for authentication. CNFs were used as a reinforcement agent to enhance the mechanical strength of the sodium alginate hydrogel. Both durability and thermal stability were ensured using self-healing inks. Red cabbage was used to extract Cy-based chromophore as an environmentally friendly spectroscopic probe for immobilization into SA. Using varying concentrations of anthocyanidin, self-healable composite hydrogels (Cy@SA) with thermochromic properties were provided. Using the CIE Lab color coordinate system, homogeneous purple (569 nm) films were printed onto a sheet surface. Upon heating from 25 to 70 °C, the purple color changed to red (433 nm). Transmission electron microscopy was applied to study anthocyanidin/mordant (Cy/M) nanoparticles (NPs). The properties of the applied prints were analyzed using several methods. Both the hydrogel and stamped sheets were tested for their mechanical and rheological characteristics, respectively. Research on the nanocomposite ink (Cy@SA) antibacterial properties and cytotoxicity was also conducted.

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Section: Introductionmentioning

confidence: 99%

Preparation of Self-Healing Anthocyanidin-Containing Thermochromic Alginate Ink for Authentication Purposes

Mogharbel,

Ashour,

Alkhamis

et al. 2023

ACS Omega

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Bioinspired Supramolecular Hydrogel from Design to Applications

Gao,

Yang,

Song

2023

Small Methods

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Nature offers a wealth of opportunities to solve scientific and technological issues based on its unique structures and function. The dynamic non‐covalent interaction is considered to be the main base of living functions of creatures including humans, animals, and plants. Supramolecular hydrogels formed by non‐covalent bonding interactions has become a unique platform for constructing promising materials for medicine, energy, electronic, and biological substitute. In this review, the self‐assemble principle of supramolecular hydrogels is summarized. Next, the stimulation of external environment that triggers the assembly or disassembly of supramolecular hydrogels are recapitulated, including temperature, mechanics, light, pH, ions, etc. The main applications of bioinspired supramolecular hydrogels in terms of bionic objects including humans, animals, and plants are also described. Although so many efforts are done for revealing the synergized mechanism of the function and non‐covalent interactions on the supramolecular hydrogel, the complexity and variability between stimulus and non‐covalent bonding in the supramolecular system still require impeccable theories. As an outlook, the bioinspired supramolecular hydrogel is just beginning to exhibit its great potential in human life, offering significant opportunities in drug delivery and screening, implantable devices and substitutions, tissue engineering, micro‐fluidic devices, and biosensors.

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Synthesis of a novel N-fused ring based organic molecule probe and its detection of iron

Chen,

et al. 2024

Inorganic Chemistry Communications

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Aggregation Induced Emission Supramolecular Functionalized Benzimidazole Hydrogel for Metal‐Ion Responsive and Fluorescent Anti‐Counterfeiting

Cited by 3 publications

References 43 publications

Preparation of Self-Healing Anthocyanidin-Containing Thermochromic Alginate Ink for Authentication Purposes

Preparation of Self-Healing Anthocyanidin-Containing Thermochromic Alginate Ink for Authentication Purposes

Bioinspired Supramolecular Hydrogel from Design to Applications

Synthesis of a novel N-fused ring based organic molecule probe and its detection of iron

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