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Updated: May 27, 2025
Gel-seq: A Method for Simultaneous Sequencing Library Preparation of DNA and RNA Using Hydrogel Matrices
Published on: March 26, 2018
Two-step sequential energy transfer in sodium carboxymethyl cellulose-based gels for information encryption
Binbin Zhang1, Zhenhao Peng2, Qiuyu He2
1Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, PR China; Postdoctoral Innovation Practice Base, School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, Henan 453003, PR China.
Researchers developed novel sodium carboxymethyl cellulose (NaCMC) gels using a new gelator (H3L). These advanced gels function as information-encryption materials, utilizing tunable fluorescence responsive to acid-base changes for secure data storage.
Area of Science:
- Materials Science
- Supramolecular Chemistry
- Polymer Chemistry
Background:
- Sodium carboxymethyl cellulose (NaCMC) gels are versatile but require innovative preparation.
- Developing new gelators is key to expanding NaCMC gel applications.
Purpose of the Study:
- To introduce a novel low-molecular-weight gelator, 3,3',3″-[1,3,5-benzenetriyltris(carbonylimino)]trisbenzoic acid (H3L), for NaCMC gelation.
- To develop NaCMC/H3L gels into an information-encryption material with misleading functionality.
Main Methods:
- Utilized a two-step sequential energy transfer platform with specific fluorescent acceptors.
- Incorporated 4,7-di(2-thienyl)-2,1,3-benzothiadiazole and sulforhodamine101 for tunable fluorescence.
- Investigated acid-base responsiveness (NaOH and HCl) of the gel's fluorescence properties.
Main Results:
- Successfully formed NaCMC/H3L gels exhibiting blue, yellow, and red fluorescence.
- Demonstrated that NaOH addition can quench, red-shift, or not affect fluorescence.
- Showed that HCl addition restores fluorescence, enabling acid-base responsive behavior.
Conclusions:
- Broadened preparation methods for NaCMC-based gels.
- Established a new paradigm for NaCMC gel applications in information encryption.
- Developed a unique acid-base responsive system for secure information access.
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