ADVANCED FUNCTIONAL MATERIALS
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2024
·
IF 18.5
Zelin Zhu,Xiuping Qi,Zhihao Zhang,Xuanyu Dou,Xinxin Jiang,Yutong Liu,Shencheng Fu,Xintong Zhang,Yichun Liu
Independently-manipulated optical encryption has attracted great attention due to its high security and multiple application scenarios. Although photochromic molecules have become preferred holographic display units, the integration of dynamic modulation both in hologram and fluorescence for orthogonal encryption is still challenged. Herein, a latticed holographically steganographic array is constructed by incorporating a plasticizer (tri-o-cresyl phosphate, TOCP) into spirooxazine (SO) based polymers, thereby modulating the isomerization rate and the UV-fluorescence kinetics between SO and merocyanine (MC). The period to reach fluorescence saturated value for each information bit in the latticed device can be widely modulated between 60 and 1700 s. Based on the property, only through ultraviolet stimulation can array information gradually be converted from spatial lattice coordinates to holographic display time. Then, a hidden 3D image can be determined from rapidly updatable reconstructed hologram video with refresh rate 1.125 Hz by the above spatiotemporal dual-encryption keys. This work provides a bright path for the ultra-high safety steganography and adaptive stereoscopic imaging.
研究领域:
光学
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材料科学
·
信息安全
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产品关联
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2019
·
IF 8.456
Qiu Yan Zhu,Fu Rui Zhang,Yan Du,Xin Xing Zhang,Jiao Yang Lu,Qing Feng Yao,Wei Tao Huang,Xue Zhi Ding,Li Qiu Xia
Inspired by information processing and communication of life based on complex molecular interactions, some artificial (bio)chemical systems have been developed for applications in molecular information processing or chemo/biosensing and imaging. However, little attention has been paid to simultaneously and comprehensively utilize the information computing, encoding, and molecular recognition capabilities of molecular-level systems (such as DNA-based systems) for multifunctional applications. Herein, a graphene-based steganographically aptasensing system was constructed for multifunctional application, which relies on specific molecular recognition and information encoding abilities of DNA aptamers (Aeromonas hydrophila and Edwardsiella tarda-binding aptamers as models) and the selective adsorption and fluorescence quenching capacities of graphene oxide (GO). Although graphene–DNA systems have been widely used in biosensors and diagnostics, our proposed graphene-based aptasensing system can not only be utilized for fluorescence sensing and in vivo imaging of fish pathogens (A. hydrophila and E. tarda), but can also function as a molecular-level logic computing system where the combination of matters (specific molecules or materials) as inputs produces the resulting product (matter level) or fluorescence (energy level) changes as two outputs. More importantly and interestingly, our graphene-based steganographically aptasensing system can also serve as a generally doubly cryptographic and steganographic system for sending different secret messages by using pathogen-binding DNA aptamers as information carriers, GO as a cover, and a pair of keys, that is, target pathogen as a public key, the encryption key used to encode or decode a message in DNA as a private key. Our study not only provides a novel nanobiosensing assay for rapid and effective sensing and in vivo imaging of fish pathogens, but also demonstrates a prototype of (bio)molecular steganography as an important and interesting extension direction of molecular information technology, which is helpful in probably promoting the development of multifunctional molecular-level devices or machines.
研究领域:
生物传感
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分子信息学
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纳米生物学
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DOI
PubMed
高影响因子
Smart Materials and Structures
·
2022
·Vol. 32
·期 1
·015019
·
IF 4.131
Jian Gao,Kangning Wu,Jianying Li,Guilai Yin,Shengtao Li
In this study, an all-organic lead-free thermochromic and dielectric switchable epoxy microcomposite (TEP) is presented from singly incorporating leuco dye microcapsule materials (LDM) into the epoxy matrix. TEP can simultaneously adjust the color and permittivity in response to temperature between 30 °C and 70 °C. Moreover, the switchable dielectric behavior of TEP can be manipulated by LDMs content and voltage frequency. The switchable dielectric behavior of TEP permittivity is proposed to originate from the inner interfacial polarizations in LDMs triggered by the order-disorder phase transition. Before the phase transition, the molecules in LDMs are in ordered and compact arrays with restricted mobility, which can hardly undergo transportations and reorientations, leading to the weak interfacial polarization strength at the inner surfaces of LDMs and the low permittivity of TEP. After the phase transition, the molecules in LDMs are liberated with enhanced intermolecular distances and mobility, facilitating the inner interfacial polarization in LDMs and leading to the high permittivity of TEP. The correlation between the switchable dielectric behavior and the order-disorder phase transition is furtherly verified based on the Lichtenecker's mixing model. This study unlocks a novel function of switchable permittivity for the LDM materials and provides an innovative strategy for designing the thermochromic and dielectric switchable smart materials.
研究领域:
材料科学
·
智能材料
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产品关联
DOI
高影响因子
International Journal of Smart and Nano Materials
·
2022
·
IF 4
Junjie Wei,Long Li,Rui Li,Qingquan Liu,Zejun Yan,Tao Chen
Smart hydrogel with color responsiveness is envisioned as one of the most promising materials for advanced information encryption and decryption platform, but the illumination-dependent way of decrypting and reading information leads to the worrying of concealment in some particular scenarios. Herein, we proposed a smart hydrogel information platform with dual imaging modes by utilizing the accompanying behaviors in transparency change and heat releasing after crystallization of supercooled solution. For this smart hydrogel information platform, the hidden information could be written and decrypted by ink of ethylene glycol and decryption tool of seed crystal, respectively. Furthermore, in addition to the traditional optical imaging mode with the assistance of light illumination, the decrypted information on dual-imaging-mode hydrogel platform also could be read by thermal imaging mode in dark environment owing to the exothermic crystallization. The illumination-independent read mode based on heat radiation helps to improve the secrecy and safety of the decryption and read process. This investigation provides a facile and feasible strategy to design illumination-independent information platform that enables reading the encrypted information in secret.
研究领域:
材料科学
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信息学
·
化学
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产品关联
DOI
高影响因子
ACS Applied Nano Materials
·
2024
·
IF 5.3
Longzi Liang,Haojun Sun,Yixuan Wu,Guangyu Liu,Lihua Li,Xiang Chen,Yuqing Zhang
Steganography is a technique that encrypts information by hiding it in another medium, such as video, audio, images, and text. The principal purpose of steganography is to conceal the existence of information so that it cannot be easily recognized by a third-party during transmission, which guarantees information security. Surface-enhanced Raman scattering (SERS) probes contain rich spectral information. With the increasing application of SERS in optical anticounterfeiting field, the development of SERS labels with superior encoding capacity has become research hotspot. In this study, we mixed Au nanostar SERS probes with ordinary commercial ink to obtain SERS ink for optical steganography and anticounterfeiting labels. Au nanostars have abundant tip “hotspots” and large specific surface area, and strong SERS signals can be manufactured by modifying Raman molecules on its surface. Fifteen different kinds of Raman molecules were chosen as a demonstration, and the signal molecules were tightly modified on the surface of Au nanostars by dopamine encapsulation and then mixed with ordinary ink to obtain SERS ink with different signals. Then, the information recorded by SERS ink was extracted and interpreted by a micro-Raman imaging system. In addition, SERS ink can also be used in barcodes and quick response (QR) codes, and the possibility of being cracked can be greatly reduced through Raman signal multiplexing. Due to the advantages of SERS ink, such as simple preparation, good photostability, long-term stability, multiplexing steganography, and convenient use, we believe that Au nanostar-based SERS ink has broad prospects in the application of optical steganography and anticounterfeiting.
研究领域:
纳米材料科学
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光学隐写与防伪
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产品关联
DOI
高影响因子
ACS Applied Materials & Interfaces
·
2025
·
IF 8.2
Mohamed Nabeel Mattath,Sumon Pratihar,Thimmaiah Govindaraju,Shuo Shi
In the domain of digital data exchange, ensuring information security is the supreme demand for data storage and transmission. Interlinking cryptographic techniques with steganographic principles can enhance data confidentiality. However, there have been no reports thus far to develop molecular platforms for hybrid crypto-steganography systems. Using our synthesized nanoclusters (BSA-Au/Ag NCs) through bovine serum albumin (BSA) as a versatile scaffold, we fabricated a molecular platform for concatenated logic circuits and molecular keypad lock. Then, we integrate terrestrial direction information transmission through molecular navigation, employing a double block cipher by combining stego key and shifting cipher key techniques to develop a hybrid crypto-steganography system, aimed at enhancing security paradigms. Furthermore, we prioritize information protection by developing an enhanced distress call protocol using a polyalphabetic cipher to activate covert communication capabilities, thereby safeguarding data against potential infiltrators.
研究领域:
生物化学
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信息安全
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纳米科技
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产品关联
DOI
PubMed
高影响因子
BIOSENSORS & BIOELECTRONICS
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2021
·
IF 10.618
Qing Feng Yao,Qiu Yan Zhu,Zhen Qi Bu,Qing Yu Liu,Min Xia Quan,Wei Tao Huang
Various sensing platforms based on molecular or nanosystems are widely exploited through molecular diversity and specific recognition. However, it is extremely challenging to develop systems with tunable sensing ability and utilize the systems as information carriers/covers for communication and safety. Herein, DNA nanosensing systems based on cobalt oxyhydroxide (CoOOH) nanosheets were constructed for tunable detection and valence distinction of metal ions , molecular crypto-steganography, and information coding. CoOOH nanosheets absorb fluorescence-labeled single-stranded DNA with different bases and lengths, resulting in fluorescence quenching . The binding priority of bases with CoOOH nanosheets was guanine (G) > cytosine (C) > adenine (A) ≈ thymine (T) and the short chain excelled long chain. Due to the differences in the interaction among CoOOH, DNA, metal ions and variability of DNA bases, various DNA−CoOOH nanosystems have significantly different selective response patterns (that is selectivity) to metal ions and tunable linear ranges to Fe 3+ , Hg 2+ , Cr 3+ . Interestingly, by utilizing their molecular diversity, recognition, selective patterns, DNA−CoOOH sensing systems can be served as doubly cryptographic and steganographic systems to implement information encoding, encryption, and hiding and to reversely improve the selectivity of metal ions. This study provides an idea and platform for adjustable detection and valence distinction of metal ions, and gives a set of “molecular programming languages” for designing intelligent programmable sensing and molecular information communication and safety systems.
研究领域:
生物化学
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纳米技术
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分析化学
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产品关联
DOI
PubMed
高影响因子
NATURE BIOTECHNOLOGY
·
2021
·Vol. 39
·期 12
·1548-1555
·
IF 54.908
Fan Chuyao,Deng Qiang,Zhu Ting F.
Natural DNA is exquisitely evolved to store genetic information. The chirally inverted l -DNA, possessing the same informational capacity but resistant to biodegradation, may serve as a robust, bioorthogonal information repository. Here we chemically synthesize a 90-kDa high-fidelity mirror-image Pfu DNA polymerase that enables accurate assembly of a kilobase-sized mirror-image gene. We use the polymerase to encode in l -DNA an 1860 paragraph by Louis Pasteur that first proposed a mirror-image world of biology. We realize chiral steganography by embedding a chimeric d -DNA/ l -DNA key molecule in a d -DNA storage library, which conveys a false or secret message depending on the chirality of reading. Furthermore, we show that a trace amount of an l -DNA barcode preserved in water from a local pond remains amplifiable and sequenceable for 1 year, whereas a d -DNA barcode under the same conditions could not be amplified after 1 day. These next-generation mirror-image molecular tools may transform the development of advanced mirror-image biology systems and pave the way for the realization of the mirror-image central dogma and exploration of their applications.
研究领域:
分子生物学
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合成生物学
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生物技术
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信息存储
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产品关联
DOI
PubMed
高影响因子
ADVANCED FUNCTIONAL MATERIALS
·
2021
·Vol. 31
·期 16
·2009916
·
IF 18.808
Ruilian Chen,Dengchong Feng,Guojian Chen,Xudong Chen,Wei Hong
The construction of invisible patterns via high-resolution printing and the independent encoding/decoding of complex information can lead to promising applications in steganography and watermarking for optical encryption. Herein, a rewritable chiral photonic paper formed by cholesteric cellulose nanocrystals and polycation is reported. The chemically crosslinked polycation network interpenetrates in the cholesteric structure while retaining the optical properties of the photonic crystals. The film exhibits controllable wettability via anion exchange, leading to extremely low contrast in the dry state but high contrast by a rapid wetting response. Triple invisible information is independently encoded on the films, including invisible patterns caused by reversible counterion-controlled wettability, permanent fluorescent labels based on fluorescent counterions, and polarization-dependent structural colors based on cholesteric structures. Full color patterns can be reversibly constructed via inkjet printing, with a high resolution of 100 µm. In addition, the circular polarization characteristics of the cellulose nanocrystals, liquid crystals, endow the system with complex and independent responses, realizing a wetting/polarization double-key decryption. This work provides a simple and effective optical technique for coding complex information on a single material platform and expands the techniques available to achieve invisible patterns for sensing and anti-counterfeiting.
研究领域:
材料科学
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光学
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纳米技术
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密码学
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安全
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产品关联
DOI
高影响因子
Small
·
2023
·Vol. 19
·期 29
·2207436
·
IF 13.3
Qing Yu Liu,Ying Wu,Zhen Qi Bu,Min Xia Quan,Jiao Yang Lu,Wei Tao Huang
Bimetallic nanomaterials (BNMs) have been used in sensing, biomedicine, and environmental remediation, but their multipurpose and comprehensive applications in molecular logic computing and information security protection have received little attention. Herein, This synthesis method is achieved by sequentially adding reactants under ice bath conditions. Interestingly, Ag-Cr NPs can dynamically selectively sense anions and reductants in multiple channels. Especially, ClO − can be quantitatively detected by oxidizing Ag-Cr NPs with detection limits of 98.37 nM (at 270 nm) and 31.83 nM (at 394 nm). Based on sequential-dependent synthesis process of Ag-Cr NPs, Boolean logic gates and customizable molecular keypad locks are constructed by setting the reactants as the inputs, the states of the resulting solutions as the outputs. Furthermore, dynamically selective response patterns of the Ag-Cr NPs can be converted into binary strings to exploit molecular crypto-steganography to encode, store, and hide information. By integrating the three dimensions of authorization, encryption, and steganography, 3 in 1 advanced information protection based on Ag-Cr nanosensing system can be achieved, which can enhance the anti-cracking ability of information. This research will promote the development and application of nanocomposites in the field of information security and deepen the connection between molecular sensing and the information world.
研究领域:
纳米技术
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材料科学
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化学传感
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信息安全
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分子计算
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产品关联
DOI
PubMed
高影响因子
Small
·
2025
·
IF 12.1
Mohamed Nabeel Mattath,Yingying Lu,Ajith Manayil Parambil,Yan Gao,Tian-Ming Yao,Jing-Jing Li,Rui-Min Zang,Song Hu,Shuo Shi
Molecular information coding (MIC) involves biomolecules to encrypt and transmit messages, remains in its early stages of development. This work presents a versatile molecular integration framework and a proof-of-concept multi-level security system that combines Morse code, ASCII code, and Beale's cipher through molecular logic computing, using a molecular dye-oligonucleotide platform (single-stranded DNA, duplex DNA, stem-loop, and G-quadruplex (G-4) structures). This study demonstrates the integration of nanotechnology with crypto-steganographic methods to visualize and decipher codes, embedding elementary logic operations into molecular signal transduction. Additionally, a graphical user interface (GUI) is developed for classifying elementary logic gates using a decision tree algorithm, providing researchers with an accessible tool for rapid prediction. The Morse code-mediated strategy enables static key generation using dots, dashes, and intervals, and dynamic key generation through a polyalphabetic cipher framework. In parallel, ASCII-based logic gate operations facilitate multi-key decryption of decimal values to recover hidden information. Furthermore, a multilayered hybrid cryptographic technique combining Beale's cipher with Morse code implemented via a pangramic codebook, establishes an exceptionally resistant system against brute-force attacks. These methods provide insights into the evolution of communication and highlight the importance of encryption without relying on highly complex materials or sophisticated instruments.
研究领域:
密码工程
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隐写术
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分子计算
·
生物信息学
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纳米技术
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信息安全
·
基于DNA的数据存储
✓ 已验证
产品关联
DOI
PubMed
高影响因子
危险品化学品经营许可证（带存储）