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Dataset results
11 results for “azobenzene”
An Insight on the Effect of Azobenzene Functionalities Studied in UiO-66 Framework for Low Energy CO2 Capture and CO2/N2 Membrane Separation
<p>Data supporting journal manuscript. Includes an Excel spreadsheet with all the raw data for the figures in the manuscript, calibrations and calculations. Also includes 3D chemical structures of MOF units, and SEM images of MOF/polymer composite materials.</p> <p><strong>Abstract</strong></p> <p>In this paper, we report a simple approach to study the fundamental aspect of light-responsive metal organic framework (MOF) in UiO-66 topology through a mixed-ligand approach. Apart from change in the structural property, the loading of azobenzene linker inside the framework also affects the CO<sub>2 </sub>light-responsive property and CO<sub>2</sub>/N<sub>2 </sub>selectivity which could help to design future low-energy CO<sub>2 </sub>adsorbents. Further study to incorporate the MOFs into mixed matrix membranes also indicates the benefit of higher azobenzene loading in the MOF to enhance the CO<sub>2</sub>/N<sub>2 </sub>separation performance since it can improve the separation performance which could not be obtained in non-functionalized fillers. </p> <p><strong>Preprint manuscript</strong></p> <p>A Preprint version of the manuscript is available at: <a href="https://doi.org/10.26434/chemrxiv.7568696.v1">https://doi.org/10.26434/chemrxiv.7568696.v1</a> </p> <p><strong>Published article</strong></p> <p>Journal of Materials Chemistry A, 2019, DOI: <a href="https://doi.org/10.1039/C9TA02096A">https://doi.org/10.1039/C9TA02096A</a></p>
Systematic screening of DMOF-1 with NH2, NO2, Br and azobenzene functionalities for elucidation of carbon dioxide and nitrogen separation properties
<p><strong>Publication:</strong> M. Xie. N. Prasetya and B. P. Ladewig, Systematic screening of DMOF-1 with NH2, NO2, Br and azobenzene functionalities for elucidation of carbon dioxide and nitrogen separation properties, Inorganic Chemistry Communications (2019).</p> <p><strong>Preprint:</strong> M. Xie. N. Prasetya and B. P. Ladewig, Systematic screening of DMOF-1 with NH2, NO2, Br and azobenzene functionalities for elucidation of carbon dioxide and nitrogen separation properties, Inorganic Chemistry Communications (2019), <a href="https://doi.org/10.26434/chemrxiv.8862239.v1">https://doi.org/10.26434/chemrxiv.8862239.v1</a></p> <p>Dataset supporting publication, including SEM images, optical microscope images, NMR spectra, data used in Figures, and full resolution figures as included in the manuscript.</p> <p><strong>Abstract:</strong> In this study, dabco MOF-1 (DMOF-1) with four different functional groups (NH<sub>2</sub>, NO<sub>2</sub>, Br and azobenzene) has been successfully synthesized through systematic control of the synthesis condition of their parent framework. The functionalised DMOF-1 is characterized using various analytical techniques including PXRD, TGA and N<sub>2</sub> sorption. The effect of the various functional groups on the performance of the MOFs for post-combustion CO<sub>2</sub> capture is evaluated. DMOF-1s with polar functional groups are found to have better affinity with CO<sub>2</sub> compared with the parent framework as indicated by higher CO<sub>2</sub> heat of adsorption. However, imparting steric hindrance to the framework as in Azo-DMOF-1 enhances CO<sub>2</sub>/N<sub>2</sub> selectivity, potentially as a result of lower N2 affinity for the framework. </p>
Strategies to control humidity sensitivity of azobenzene isomerisation kinetics in polymer thin films
<p>This is the full dataset for the manuscript "Strategies to control humidity sensitivity of azobenzene isomerisation kinetics in polymer thin films", submitted to the journal "Communications Materials".</p> <p>All the results presented in the manuscript is based on the data included in this dataset. All the raw data and analysed data is included, excluding final figures in the manuscript, which were composed from the data within.</p> <p>The data includes multiple experiments with different methods and materials. The data is sorted from the top down all the way down to single experiments. The dataset includes "README.txt" files that provide additional information relevant at each level, for example for raw data they provide information on the experimental settings and for analysed data the provide analysis methods used.</p>
Manipulating azobenzene photoisomerization through strong light-molecule coupling
<p>Deposited data of the Non-adiabatic Dynamics of the cases presented in the paper.<br> <br> The formation of hybrid light-molecule states (polaritons) offers a new strategy to manipulate the photochemistry of molecules. To fully exploit its potential, one needs to build a toolbox of polaritonic phenomenologies that supplement those of standard photochemistry. By means of a state-of-the-art computational photochemistry approach extended to the strong-coupling regime, here we disclose various mechanisms peculiar of polaritonic chemistry: coherent population oscillations between polaritons, quenching by trapping in dead-end polaritonic states and the alteration of the photochemical reaction pathway and quantum yields. We focus on azobenzene photoisomerization, that encompasses the essential features of complex photochemical reactions such as the presence of conical intersections and reaction coordinates involving multiple internal modes. In the strong coupling regime, a polaritonic conical intersection arises and we characterize its role in the photochemical process. Our chemically detailed simulations provide a framework to rationalize how the strong coupling impacts the photochemistry of realistic molecules.</p>
Light-induced nanoscale deformation in azobenzene thin film triggers rapid intracellular Ca2+ increase via mechanosensitive cation channels
<p>This dataset contains raw data for a research article: material characterization data of Disperse Red 1 glass, calcium imaging data of Madin Darby Canine Kidney II epithelial cells that express the genetic calcium indicator jRCaMP1b and immunofluorescence stainings of Piezo1-channels and the actin cytoskeleton in the same cell line.</p> <p>Light induced material deformations were conducted with Zeiss LSM 780 confocal microscope with 488 nm wavelength excitation. The generated topographies were analyzed with atomic force microscopy (AFM) and digital holographic microscopy (DHM), and particle image velocimetry (PIV) was used to determine lateral deformations.</p> <p>Calcium imaging was conducted with the same microscope with 561 nm excitation and calcium signals were recorded in response to light induced material deformations (stimulation performed after 10 frames) (Zeiss C Apo 63x/1.20 objective, pixel size 200 nm, frame rate 1.23 sec/fame, channel1: fluorescence emission, channel2: brightfield). Apical stimulations were conducted with Nikon Eclipse FN1 utilizing micromanipulation (pixel size 200 nm, NIR Apo 40x 0.8W DIC N2 objective). Immunofluorescence stainings (in normal conditions (channel1: nuclei, channel2: Piezo1, channel3: jRCaMP1b, channel4: actin) or after cytochalainD treatment showing actin cytoskeleton depolymerization (channel1: nuclei, channel2: ZO1, channel3: jRCaMP1b, channel4: actin)) were imaged with Nikon A1R (SR Apo TIRF 100x/1.49 objective, pixel size 40 nm, Z-step to 99 nm, deconvolution with Huygens Essential)</p>
Data from: Reversible and size-controlled assembly of reflectin proteins using a charged azobenzene photoswitch
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Photo-responsive Diels–Alder-based azobenzene-functionalized main-chain liquid crystal networks
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Disequilibrating azobenzenes by visible-light sensitization under confinement
<p>The ability to photoswitch azobenzenes from their stable E isomer to the metastable Z state is the basis of numerous applications of these molecules. However, this reaction typically requires UV light, which limits the applicability, particularly in biological settings. Here we introduce DisEquilibration by Sensitization under Confinement (DESC), a biomimetic approach to switch various azobenzenes using visible light of desired color, including red. DESC relies on a combination of a macrocyclic host and a photosensitizer, which act together to bind and selectively sensitize E-azobenzenes. After switching to the Z isomer, the azobenzene loses its affinity to—and is expelled from—the host, which can convert additional copies of E into Z. In this way, the host/photosensitizer complex acts as a light-driven supramolecular machine, converting photon energy into chemical energy in the form of out-of-equilibrium photostationary states, including ones that cannot be accessed via direct photoexcitation.</p>
Disequilibrating azobenzenes by visible-light sensitization under confinement
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Raw data accompanying "A supramolecular and liquid crystalline water‐based alignment medium based on azobenzene‐substituted 1,3,5‐benzenetricarboxamides"
<p>Raw spectral data files for NMR, CD and UV/VIs measurements.</p>
Supplementary Information: On the Role of Dielectric Screening in Calculating Excited States of Solvated Azobenzene: A Benchmark Study Comparing Quantum Embedding and Polarizable Continuum Model for Representing the Solvent
<p>Link to Gitlab repo: https://gitlab.com/jezsmartinez/azobencene_ep/-/tree/main</p>
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