Journal ArticleDOI
A Photoresponsive Orthogonal Supramolecular Complex Based on Host–Guest Interactions
Dongsheng Wang,Manfred Wagner,Andrew K. Saydjari,Andrew K. Saydjari,Julius Mueller,Svenja Winzen,Hans-Jürgen Butt,Si Wu +7 more
TLDR
A photoresponsive orthogonal supramolecular system is developed by combining the UV-light-responsive Azo/α-CD and green- light-responsive ipAzo/γ-CD host-guest complexes, which forms a strong host-Guest complex with γ-cyclo dextrin whereas trans-ipAzo binds weakly.Abstract:
We synthesized a novel green-light-responsive tetra-ortho-isopropoxy-substituted azobenzene (ipAzo). Cis-ipAzo forms a strong host-guest complex with γ-cyclo dextrin (γ-CD) whereas trans-ipAzo binds weakly. This new photoresponsive host-guest interaction is reverse to the well-known azobenzene (Azo)/α-cyclodextrin (α-CD) complex, which is strong only between trans-Azo and α-CD. By combining the UV-light-responsive Azo/α-CD and green-light-responsive ipAzo/γ-CD host-guest complexes, a photoresponsive orthogonal supramolecular system is developed.read more
Citations
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Journal ArticleDOI
Cyclodextrin-Based Multistimuli-Responsive Supramolecular Assemblies and Their Biological Functions.
TL;DR: In this review, recent progress in CD‐based supramolecular nano assemblies that are sensitive to chemical, biological, and physical stimuli is updated and reviewed, and intriguing examples of the biological functions of these nanoassemblies are presented.
Journal ArticleDOI
Photoinduced Reversible Solid-to-Liquid Transitions for Photoswitchable Materials
Wen-Cong Xu,Shaodong Sun,Si Wu +2 more
TL;DR: This Review introduces azobenzene compounds that exhibit photoinduced reversible solid-to-liquid transitions, discusses the mechanisms and design principles, and shows their potential applications in healable coatings, adhesives, transfer printing, lithography, actuators, fuels, and gas separation.
Journal ArticleDOI
Recent developments in smart antibacterial surfaces to inhibit biofilm formation and bacterial infections
Xi Li,Biao Wu,Hao Chen,Hao Chen,Kaihui Nan,Kaihui Nan,Yingying Jin,Lin Sun,Bailiang Wang,Bailiang Wang +9 more
TL;DR: In this article, the authors discuss the recent progress in biofilm interference and smart antibacterial surfaces and discuss the major topics discussed are: (i) smart anti-biofilm surfaces via the prevention of biofilm formation or promoting mature biofilm dissolution, (ii) smart materials for reversible killing and/or release of bacteria, (iii) smart surfaces responsive to bacterial infection microenvironments or external stimuli and (iv) bio-inspired surfaces with antifouling and bactericidal properties.
Journal ArticleDOI
Light-Switchable Azobenzene-Containing Macromolecules: From UV to Near Infrared.
Philipp Weis,Si Wu +1 more
TL;DR: The strategies for constructing visible and near-infrared (NIR) light-responsive azo-macromolecules are reviewed, and the potential applications of visible- and NIR-light-responsiveAzo-Macromolecule in biomedicine and solar energy conversion are highlighted.
Journal Article
Recent developments in smart antibacterial surfaces to inhibit biofilm formation and bacterial infections
Xi Li,Biao Wu,Hao Chen,Hao Chen,Kaihui Nan,Kaihui Nan,Yingying Jin,Lin Sun,Bailiang Wang,Bailiang Wang +9 more
TL;DR: This review discusses the recent progress in biofilm interference and smart antibacterial surfaces and discusses bio-inspired surfaces with antifouling and bactericidal properties.
References
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Journal ArticleDOI
Photoswitchable supramolecular hydrogels formed by cyclodextrins and azobenzene polymers.
Journal ArticleDOI
Photoswitching Azo Compounds in Vivo with Red Light
Subhas Samanta,Andrew A. Beharry,Oleg Sadovski,Theresa M. McCormick,Amirhossein Babalhavaeji,Vince Tropepe,G. Andrew Woolley +6 more
TL;DR: It is reported here that azobenzene compounds in which all four positions ortho to the azo group are substituted with bulky electron-rich substituents can be effectively isomerized with red light, a wavelength range that is orders of magnitude more penetrating through tissue than other parts of the visible spectrum.
Journal ArticleDOI
Anisotropic growth-induced synthesis of dual-compartment Janus mesoporous silica nanoparticles for bimodal triggered drugs delivery.
Xiaomin Li,Lei Zhou,Yong Wei,Ahmed Mohamed El-Toni,Ahmed Mohamed El-Toni,Fan Zhang,Dongyuan Zhao +6 more
TL;DR: The dual-compartment Janus mesoporous silica nanocomposites can be further applied into nanobiomedicine for heat and NIR light bimodal-triggered dual-drugs controllable release and realizes significantly higher efficiency for cancer cell killing compared to that of the single- Triggered drugs delivery system.
Journal ArticleDOI
Light-Directing Chiral Liquid Crystal Nanostructures: From 1D to 3D
Hari Krishna Bisoyi,Quan Li +1 more
TL;DR: This Account conceptualized and rationally synthesized different light-driven chiral molecular switches that have very high helical twisting powers (HTPs) and exhibit large changes in HTP in different states, thereby enabling wide phototunability of the systems by the addition of very small amounts of the molecular switches into commercially available achiral LCs.
Journal ArticleDOI
Photoresponsive Pseudopolyrotaxane Hydrogels Based on Competition of Host-Guest Interactions
TL;DR: The widely investigated PEG/aCD PPR hydrogel is proved to be “active” in supramolecular chemistry, and the reversible nature of supramolescular materials is fully realized.