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121 results

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Page 1
Cyclodextrin-Confined Supramolecular Lanthanide Photoswitch.
Yu HJ, Wang H, Shen FF, Li FQ, Zhang YM, Xu X, Liu Y. Yu HJ, et al. Small. 2022 Jun;18(24):e2201737. doi: 10.1002/smll.202201737. Epub 2022 May 18. Small. 2022. PMID: 35585680
Interestingly, the hydrophobic cavity of alpha-cyclodextrin can provide a confined microenvironment to immobilize the molecular conformation of trans-azobenzene, thus leading to the recovery of characteristic lanthanide luminescence both in aqueous solution and the hydrogel state …
Interestingly, the hydrophobic cavity of alpha-cyclodextrin can provide a confined microenvironment to immobilize the molecular conformation …
Dihydroazulene-Azobenzene-Dihydroazulene Triad Photoswitches.
Mengots A, Erbs Hillers-Bendtsen A, Doria S, Ørsted Kjeldal F, Machholdt Høyer N, Ugleholdt Petersen A, Mikkelsen KV, Di Donato M, Cacciarini M, Brøndsted Nielsen M. Mengots A, et al. Chemistry. 2021 Aug 25;27(48):12437-12446. doi: 10.1002/chem.202101533. Epub 2021 Jul 6. Chemistry. 2021. PMID: 34096662
In contrast, for the meta-connected triad, all three photochromes could be photoisomerized to generate an isomer with two vinylheptafulvene (VHF) units and a cis-azobenzene unit. Ultrafast spectroscopy of the photoisomerizations revealed a fast DHA-to-VHF photoisome …
In contrast, for the meta-connected triad, all three photochromes could be photoisomerized to generate an isomer with two vinylheptafulvene …
Photoswitchable Adhesives Using Azobenzene-Containing Materials.
Xu G, Li S, Liu C, Wu S. Xu G, et al. Chem Asian J. 2020 Mar 2;15(5):547-554. doi: 10.1002/asia.201901655. Epub 2020 Jan 30. Chem Asian J. 2020. PMID: 31885144 Review.
The solid trans azobenzene-containing materials have strong adhesion and the liquid cis azobenzene-containing materials have weaker adhesion. In this Minireview, we introduce adhesives based on azobenzene-containing small molecules and polymers. ...
The solid trans azobenzene-containing materials have strong adhesion and the liquid cis azobenzene-containing materials have w …
The absorption spectrum of cis-azobenzene.
Vetráková Ľ, Ladányi V, Al Anshori J, Dvořák P, Wirz J, Heger D. Vetráková Ľ, et al. Photochem Photobiol Sci. 2017 Dec 6;16(12):1749-1756. doi: 10.1039/c7pp00314e. Photochem Photobiol Sci. 2017. PMID: 29170780
Careful analysis revealed that the previously reported absorption spectra of the "pure" isomers were in fact mutually contaminated by small amounts of the other isomer. Therefore, the absorption spectra of both trans- and cis-azobenzene in methanol were re-determine …
Careful analysis revealed that the previously reported absorption spectra of the "pure" isomers were in fact mutually contaminated by small …
Photoswitchable Microgels for Dynamic Macrophage Modulation.
Kim Y, Thangam R, Yoo J, Heo J, Park JY, Kang N, Lee S, Yoon J, Mun KR, Kang M, Min S, Kim SY, Son S, Kim J, Hong H, Bae G, Kim K, Lee S, Yang L, Lee JY, Kim J, Park S, Kim DH, Lee KB, Jang WY, Kim BH, Paulmurugan R, Cho SW, Song HC, Kang SJ, Sun W, Zhu Y, Lee J, Kim HJ, Jang HS, Kim JS, Khademhosseini A, Kim Y, Kim S, Kang H. Kim Y, et al. Adv Mater. 2022 Dec;34(49):e2205498. doi: 10.1002/adma.202205498. Epub 2022 Nov 2. Adv Mater. 2022. PMID: 36268986
In this study, microgels composed of azobenzene derivatives stacked via pi-cation and pi-pi interactions are developed that are electrostatically stabilized with Arg-Gly-Asp (RGD)-bearing anionic polymers. Lateral swelling of RGD-bearing microgels occurs via cis-azobenz
In this study, microgels composed of azobenzene derivatives stacked via pi-cation and pi-pi interactions are developed that are electrostati …
Hyperpolarization of cis-15 N2 -Azobenzene by Parahydrogen at Ultralow Magnetic Fields*.
Sheberstov KF, Kozinenko VP, Kiryutin AS, Vieth HM, Zimmermann H, Ivanov KL, Yurkovskaya AV. Sheberstov KF, et al. Chemphyschem. 2021 Jul 16;22(14):1527-1534. doi: 10.1002/cphc.202100160. Epub 2021 Jun 8. Chemphyschem. 2021. PMID: 33932314 Free PMC article.
Azobenzene exists in two isomers, trans and cis. We show that all nuclear spins in cis-azobenzene can be efficiently hyperpolarized by SABRE at suitable magnetic fields. ...
Azobenzene exists in two isomers, trans and cis. We show that all nuclear spins in cis-azobenzene can be efficiently hyperpola …
Accelerating supramolecular aggregation by molecular sliding.
Zhao W, Du H, Xia Y, Xie S, Huang YP, Xu T, Zhang J, Gao YQ, Wan X. Zhao W, et al. Phys Chem Chem Phys. 2022 Oct 5;24(38):23840-23848. doi: 10.1039/d2cp04064f. Phys Chem Chem Phys. 2022. PMID: 36165176
The presence of vinyl polymer track increases the aggregation rate of cis azobenzene up to 20 times, depending on the stereoregularity of the polymer chain, the acid/base ratio and the addition of salt. ...
The presence of vinyl polymer track increases the aggregation rate of cis azobenzene up to 20 times, depending on the stereore …
Light-operated mechanized nanoparticles.
Ferris DP, Zhao YL, Khashab NM, Khatib HA, Stoddart JF, Zink JI. Ferris DP, et al. J Am Chem Soc. 2009 Feb 11;131(5):1686-8. doi: 10.1021/ja807798g. J Am Chem Soc. 2009. PMID: 19159224
In the presence of the beta-cyclodextrin and/or pyrene-modified beta-cyclodextrin rings, the beta-cyclodextrin and/or pyrene-modified beta-cyclodextrin rings will thread onto the azobenzene-containing stalks and bind to trans-azobenzene units to form the pseudorotaxanes, thus sea …
In the presence of the beta-cyclodextrin and/or pyrene-modified beta-cyclodextrin rings, the beta-cyclodextrin and/or pyrene-modified beta-c …
β-Cyclodextrin/Azobenzene Microspheres Loaded with Paraquat Are Safe and Effective.
Li C, Wang Y, Wang Z, Li X. Li C, et al. Langmuir. 2023 Jan 10;39(1):638-646. doi: 10.1021/acs.langmuir.2c03004. Epub 2022 Dec 21. Langmuir. 2023. PMID: 36542801
For the paraquat-loaded microspheres, irradiation with UV light or sunlight induced the isomerization of azobenzene into the cis form. Then, the cis-azobenzene was liberated from the cavities of the beta-cyclodextrin. ...
For the paraquat-loaded microspheres, irradiation with UV light or sunlight induced the isomerization of azobenzene into the cis form. Then, …
121 results