1
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Cotton D, Khuu T, Takematsu K, Delibas B, Dawlaty JM. Photoinduced Carbon Dioxide Release via a Metastable Photoacid in a Nonaqueous Environment. J Phys Chem Lett 2024; 15:7782-7787. [PMID: 39048316 DOI: 10.1021/acs.jpclett.4c01577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2024]
Abstract
Capturing carbon dioxide (CO2) from the atmosphere is a scientific and technological challenge. CO2 can be captured by forming carbamate bonds with amines, most notably monoethanolamine (MEA). Regenerating MEA by releasing captured CO2 requires that the carbamate solution be heated. Recently, photoacids were used to induce a pH change to release CO2 from aqueous carbonate solutions. We report a merocyanine photoacid that releases CO2 from nonaqueous carbamate solutions of MEA, which has a CO2 loading capacity that is higher than that of water. On the basis of the absorption spectra of the photoacid in the presence of acids and CO2, we show that the photoacid cycle and the CO2 capture of MEA are two separate equilibria coupled to each other via protons. We demonstrate that irradiating the sample with 405 nm light induces the release of CO2, which we detect using an in-line mass spectrometer. This work highlights an alternative path for optimizing a photoinduced CO2 capture and release system.
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Affiliation(s)
- Dani Cotton
- Department of Chemistry, University of Southern California, Los Angeles, California 90007, United States
| | - Thien Khuu
- Department of Chemistry, University of Southern California, Los Angeles, California 90007, United States
| | - Kana Takematsu
- Chemistry Department, Bowdoin College, Brunswick, Maine 04011, United States
| | - Berk Delibas
- Department of Chemistry, University of Southern California, Los Angeles, California 90007, United States
| | - Jahan M Dawlaty
- Department of Chemistry, University of Southern California, Los Angeles, California 90007, United States
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2
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Utroša P, Carroll JA, Žagar E, Pahovnik D, Barner-Kowollik C. Wavelength-Dependent Activation of Photoacids and Bases. Chemistry 2024; 30:e202400820. [PMID: 38684451 DOI: 10.1002/chem.202400820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/29/2024] [Accepted: 04/29/2024] [Indexed: 05/02/2024]
Abstract
Photoacids and bases allow remote control over pH in reaction solutions, which is of fundamental importance to an array of applications. Herein, we determine the wavelength-by-wavelength resolved photoreactivity of triarylsulfonium hexafluorophosphate salts as a representative photoacid generator and p-(benzoyl)benzyl triethylammonium tetraphenylborate as a photobase generator, constructing a wavelength-resolved photochemical action plot for each of the compounds. We monitor the pH change of the solution on-line within the cavity of the laser vial and demonstrate a marked mismatch between the absorption spectrum of the photoacid and base with the photochemical action plot, unveiling reactivity at very low absorptivities. Our findings are of critical importance for the use of photoacids and bases, unambiguously demonstrating that absorption is no guide to chemical reactivity with critical consequences for the wavelength employed in applications of photoacids and bases.
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Affiliation(s)
- Petra Utroša
- Department of Polymer Chemistry and Technology, National Institute of Chemistry, Hajdrihova 19, 1000, Ljubljana, Slovenia
| | - Joshua A Carroll
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, QLD 4000, Brisbane, Australia
| | - Ema Žagar
- Department of Polymer Chemistry and Technology, National Institute of Chemistry, Hajdrihova 19, 1000, Ljubljana, Slovenia
| | - David Pahovnik
- Department of Polymer Chemistry and Technology, National Institute of Chemistry, Hajdrihova 19, 1000, Ljubljana, Slovenia
| | - Christopher Barner-Kowollik
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, QLD 4000, Brisbane, Australia
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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3
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Premadasa UI, Doughty B, Custelcean R, Ma YZ. Towards Energy-Efficient Direct Air Capture with Photochemically-Driven CO 2 Release and Solvent Regeneration. Chempluschem 2024:e202300713. [PMID: 38456801 DOI: 10.1002/cplu.202300713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 03/09/2024]
Abstract
The intensive energy demands associated with solvent regeneration and CO2 release in current direct air capture (DAC) technologies makes their deployment at the massive scales (GtCO2/year) required to positively impact the climate economically unfeasible. This challenge underscores the critical need to develop new DAC processes with significantly reduced energy costs. Recently, we developed a new approach to photochemically drive efficient release of CO2 through an intermolecular proton transfer reaction by exploiting the unique properties of an indazole metastable-state photoacid (mPAH), opening a new avenue towards energy efficient on-demand CO2 release and solvent regeneration using abundant solar energy instead of heat. In this Concept Article, we will describe the principle of our photochemically-driven CO2 release approach for solvent-based DAC systems, discuss the essential prerequisites and conditions to realize this cyclable CO2 release chemistry under ambient conditions. We outline the key findings of our approach, discuss the latest developments from other research laboratories, detail approaches used to monitor DAC systems in situ, and highlight experimental procedures for validating its feasibility. We conclude with a summary and outlook into the immediate challenges that must be addressed in order to fully exploit this novel photochemically-driven approach to DAC solvent regeneration.
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Affiliation(s)
- Uvinduni I Premadasa
- Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, 37831, Oak Ridge, TN, USA
| | - Benjamin Doughty
- Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, 37831, Oak Ridge, TN, USA
| | - Radu Custelcean
- Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, 37831, Oak Ridge, TN, USA
| | - Ying-Zhong Ma
- Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, 37831, Oak Ridge, TN, USA
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4
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de Vries A, Goloviznina K, Reiter M, Salanne M, Lukatskaya MR. Solvation-Tuned Photoacid as a Stable Light-Driven pH Switch for CO 2 Capture and Release. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2024; 36:1308-1317. [PMID: 38385123 PMCID: PMC10877570 DOI: 10.1021/acs.chemmater.3c02435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 11/22/2023] [Accepted: 11/28/2023] [Indexed: 02/23/2024]
Abstract
Photoacids are organic molecules that release protons under illumination, providing spatiotemporal control of the pH. Such light-driven pH switches offer the ability to cyclically alter the pH of the medium and are highly attractive for a wide variety of applications, including CO2 capture. Although photoacids such as protonated merocyanine can enable fully reversible pH cycling in water, they have a limited chemical stability against hydrolysis (<24 h). Moreover, these photoacids have low solubility, which limits the pH-switching ability in a buffered solution such as dissolved CO2. In this work, we introduce a simple pathway to dramatically increase stability and solubility of photoacids by tuning their solvation environment in binary solvent mixtures. We show that a preferential solvation of merocyanine by aprotic solvent molecules results in a 60% increase in pH modulation magnitude when compared to the behavior in pure water and can withstand stable cycling for >350 h. Our results suggest that a very high stability of merocyanine photoacids can be achieved in the right solvent mixtures, offering a way to bypass complex structural modifications of photoacid molecules and serving as the key milestone toward their application in a photodriven CO2 capture process.
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Affiliation(s)
- Anna de Vries
- Electrochemical
Energy Systems Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
| | - Kateryna Goloviznina
- Sorbonne
Université, CNRS, Physico-Chimie des Électrolytes et
Nanosystèmes Interfaciaux, PHENIX, F-75005 Paris, France
| | - Manuel Reiter
- Electrochemical
Energy Systems Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
| | - Mathieu Salanne
- Sorbonne
Université, CNRS, Physico-Chimie des Électrolytes et
Nanosystèmes Interfaciaux, PHENIX, F-75005 Paris, France
- Institut
Universitaire de France (IUF), 75231 Paris, France
| | - Maria R. Lukatskaya
- Electrochemical
Energy Systems Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, 8092 Zurich, Switzerland
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5
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Sun T, Kang L, Zhao H, Zhao Y, Gu Y. Photoacid Generators for Biomedical Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2302875. [PMID: 38039443 PMCID: PMC10837391 DOI: 10.1002/advs.202302875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 10/26/2023] [Indexed: 12/03/2023]
Abstract
Photoacid generators (PAGs) are compounds capable of producing hydrogen protons (H+ ) upon irradiation, including irreversible and reversible PAGs, which have been widely studied in photoinduced polymerization and degradation for a long time. In recent years, the applications of PAGs in the biomedical field have attracted more attention due to their promising clinical value. So, an increasing number of novel PAGs have been reported. In this review, the recent progresses of PAGs for biomedical applications is systematically summarized, including tumor treatment, antibacterial treatment, regulation of protein folding and unfolding, control of drug release and so on. Furthermore, a concept of water-dependent reversible photoacid (W-RPA) and its antitumor effect are highlighted. Eventually, the challenges of PAGs for clinical applications are discussed.
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Affiliation(s)
- Tianzhen Sun
- School of Medical TechnologyBeijing Institute of TechnologyNo. 5 South Street, ZhongguancunHaidian DistrictBeijing100081China
| | - Lin Kang
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryChinese Academy of SciencesNo. 29 Zhongguancun East Road, Haidian DistrictBeijing100190China
- University of Chinese Academy of SciencesNo. 19A Yuquan RoadBeijing100049China
| | - Hongyou Zhao
- School of Medical TechnologyBeijing Institute of TechnologyNo. 5 South Street, ZhongguancunHaidian DistrictBeijing100081China
| | - Yuxia Zhao
- Key Laboratory of Photochemical Conversion and Optoelectronic MaterialsTechnical Institute of Physics and ChemistryChinese Academy of SciencesNo. 29 Zhongguancun East Road, Haidian DistrictBeijing100190China
- University of Chinese Academy of SciencesNo. 19A Yuquan RoadBeijing100049China
| | - Ying Gu
- Department of Laser MedicineThe First Medical CentreChinese PLA General HospitalNo. 28 Fuxing Road, Haidian DistrictBeijing100853China
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6
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Ma YZ, Premadasa UI, Bryantsev VS, Miles AR, Ivanov IN, Elgattar A, Liao Y, Doughty B. Unravelling photoisomerization dynamics in a metastable-state photoacid. Phys Chem Chem Phys 2024; 26:4062-4070. [PMID: 38224171 DOI: 10.1039/d3cp04454h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
Abstract
Direct access to trans-cis photoisomerization in a metastable state photoacid (mPAH) remains challenging owing to the presence of competing excited-state relaxation pathways and multiple transient isomers with overlapping spectra. Here, we reveal the photoisomerization dynamics in an indazole mPAH using time-resolved fluorescence (TRF) spectroscopy by exploiting a unique property of this mPAH having fluorescence only from the trans isomer. The combination of these experimental results with time-dependent density function theory (TDDFT) calculations enables us to gain mechanistic insight into this key dynamical process.
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Affiliation(s)
- Ying-Zhong Ma
- Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA.
| | - Uvinduni I Premadasa
- Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA.
| | - Vyacheslav S Bryantsev
- Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA.
| | - Audrey R Miles
- Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA.
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Ilia N Ivanov
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
| | - Adnan Elgattar
- Department of Biomedical and Chemical Engineering, Florida Institute of Technology, Melbourne, FL 32901, USA
| | - Yi Liao
- Department of Biomedical and Chemical Engineering, Florida Institute of Technology, Melbourne, FL 32901, USA
| | - Benjamin Doughty
- Chemical Sciences Division, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA.
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7
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Zhao Y, Ran B, Lee D, Liao J. Photo-Controllable Smart Hydrogels for Biomedical Application: A Review. SMALL METHODS 2024; 8:e2301095. [PMID: 37884456 DOI: 10.1002/smtd.202301095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 09/28/2023] [Indexed: 10/28/2023]
Abstract
Nowadays, smart hydrogels are being widely studied by researchers because of their advantages such as simple preparation, stable performance, response to external stimuli, and easy control of response behavior. Photo-controllable smart hydrogels (PCHs) are a class of responsive hydrogels whose physical and chemical properties can be changed when stimulated by light at specific wavelengths. Since the light source is safe, clean, simple to operate, and easy to control, PCHs have broad application prospects in the biomedical field. Therefore, this review timely summarizes the latest progress in the PCHs field, with an emphasis on the design principles of typical PCHs and their multiple biomedical applications in tissue regeneration, tumor therapy, antibacterial therapy, diseases diagnosis and monitoring, etc. Meanwhile, the challenges and perspectives of widespread practical implementation of PCHs are presented in biomedical applications. This study hopes that PCHs will flourish in the biomedical field and this review will provide useful information for interested researchers.
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Affiliation(s)
- Yiwen Zhao
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Bei Ran
- Institute of Regulatory Science for Medical Devices, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Dashiell Lee
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
| | - Jinfeng Liao
- State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, P. R. China
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8
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Jagushte KU, Sadhukhan N, Upadhyaya HP, Dutta Choudhury S. Dual Excited State Proton Transfer Pathways in the Bifunctional Photoacid 6-Amino-2-naphtol. J Phys Chem B 2023; 127:9788-9801. [PMID: 37924296 DOI: 10.1021/acs.jpcb.3c05519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2023]
Abstract
This study investigates the photoacidity and excited state proton transfer (ESPT) pathways of a bifunctional molecule, 6-amino-2-naphthol (6N2OH), using absorption, steady-state fluorescence, time-resolved fluorescence, and theoretical calculations. 6N2OH attains four different prototropic forms in the excited state (cation, neutral, anion, or zwitterion) depending on pH of the solution. Interestingly, ESPT at the OH site of the molecule can be controlled by the protonation state of the amino substituent. Conversion of the electron donating NH2 group to the electron withdrawing NH3+ group brings about a reduction of more than 7 pKa units for the deprotonation of OH in the excited state. Further, the position of the NH2 substituent on the naphthalene framework is found to play an important role in dictating the ESPT pathways of aminonaphthols. Unlike most aminonaphthol derivatives that undergo ESPT only at the OH site, akin to substituted naphthols, 6N2OH undergoes ESPT at both OH and NH3+ sites, indicating its similarity to substituted naphthols and substituted naphthylamines. ESPT at the NH3+ site resulting in cation ↔ neutral equilibrium of 6N2OH in the excited state is well-corroborated by comparative studies with another reference photoacid, 6-amino-2-methoxynaphthalene (6N2M). Correlation of the acidity constants of 6N2OH with the σp parameters according to the Hammett model reveals that while 6N2OH can be treated either as naphthol or as naphthylamine in the ground state, the structure-function correlation cannot be extrapolated directly in the excited state, thus highlighting the rich and complex photophysics of bifunctional photoacids.
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Affiliation(s)
- Kaustubh U Jagushte
- Department of Speciality Chemicals Technology, Institute of Chemical Technology, Matunga (E), Mumbai 400019, India
| | - Nabanita Sadhukhan
- Department of Speciality Chemicals Technology, Institute of Chemical Technology, Matunga (E), Mumbai 400019, India
| | - Hari P Upadhyaya
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre, Mumbai 400 085, India
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Sharmistha Dutta Choudhury
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre, Mumbai 400 085, India
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
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9
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Alghazwat O, Elgattar A, Liao Y. Photoacid for releasing carbon dioxide from sorbent. Photochem Photobiol Sci 2023; 22:2573-2578. [PMID: 37695489 DOI: 10.1007/s43630-023-00472-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 08/24/2023] [Indexed: 09/12/2023]
Abstract
Carbon dioxide (CO2) is the most important greenhouse gas that causes global warming. Different sorbents, e.g. amines have been applied to capture CO2. Sorbent regeneration, which is currently conducted by thermal processes, is the most energy consuming step. In this work, we studied a photoacid, which can reversibly increase the acidity of a solution under light, and consequently lead to CO2 release. The photoactivity, acidity and solubility of the photoacid was tuned for CO2 release by structural design. The photoacid was mixed with morpholine, which is a well-studied amine for CO2 capture. Results showed that an aqueous solution containing the mixture can repeatedly capture and release CO2 under moderate irradiation of visible light. The CO2 released was nearly the same to that was captured, which indicates the high efficiency of this method.
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Affiliation(s)
- Osamah Alghazwat
- Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, Melbourne, FL, 32901, USA
| | - Adnan Elgattar
- Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, Melbourne, FL, 32901, USA
| | - Yi Liao
- Department of Biomedical and Chemical Engineering and Sciences, Florida Institute of Technology, Melbourne, FL, 32901, USA.
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10
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Hou XF, Chen XM, Bisoyi HK, Qi Q, Xu T, Chen D, Li Q. Light-Driven Aqueous Dissipative Pseudorotaxanes with Tunable Fluorescence Enabling Deformable Nano-Assemblies. ACS APPLIED MATERIALS & INTERFACES 2023; 15:11004-11015. [PMID: 36802465 DOI: 10.1021/acsami.2c20276] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Developing an artificial dynamic nanoscale molecular machine that dissipatively self-assembles far from equilibrium is fundamentally important but is significantly challenging. Herein, we report dissipatively self-assembling light-activated convertible pseudorotaxanes (PRs) that show tunable fluorescence and enable deformable nano-assemblies. A pyridinium-conjugated sulfonato-merocyanine derivative (EPMEH) and cucurbit[8]uril (CB[8]) form the 2EPMEH ⊂ CB[8] [3]PR in a 2:1 stoichiometry, which phototransforms into a transient spiropyran containing 1:1 EPSP ⊂ CB[8] [2]PR when exposed to light. The transient [2]PR thermally relaxes (reversibly) to the [3]PR in the dark accompanied by periodic fluorescence changes that include near-infrared emission. Moreover, octahedral and spherical nanoparticles are formed through the dissipative self-assembly of the two PRs, and the Golgi apparatus is dynamically imaged using fluorescent dissipative nano-assemblies.
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Affiliation(s)
- Xiao-Fang Hou
- Key Lab of High Performance Polymer Materials and Technology of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Xu-Man Chen
- Institute of Advanced Materials and School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Hari Krishna Bisoyi
- Advanced Materials and Liquid Crystal Institute and Materials Science Graduate Program, Kent State University, Kent, Ohio 44242, United States
| | - Qi Qi
- Institute of Advanced Materials and School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
| | - Tianchi Xu
- Key Lab of High Performance Polymer Materials and Technology of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Dongzhong Chen
- Key Lab of High Performance Polymer Materials and Technology of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Quan Li
- Institute of Advanced Materials and School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
- Advanced Materials and Liquid Crystal Institute and Materials Science Graduate Program, Kent State University, Kent, Ohio 44242, United States
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11
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Kang L, Liu S, Huang X, Zhang D, Zhao H, Zhao Y. Cyclopentylmalononitrile dye as an efficient photosensitizer for combined photodynamic and water-dependent reversible photoacidity therapy. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
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12
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Demchenko AP. Proton transfer reactions: from photochemistry to biochemistry and bioenergetics. BBA ADVANCES 2023. [DOI: 10.1016/j.bbadva.2023.100085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023] Open
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13
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Périllat VJ, Del Grosso E, Berton C, Ricci F, Pezzato C. Controlling DNA nanodevices with light-switchable buffers. Chem Commun (Camb) 2023; 59:2146-2149. [PMID: 36727426 PMCID: PMC9933455 DOI: 10.1039/d2cc06525h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Control over synthetic DNA-based nanodevices can be achieved with a variety of physical and chemical stimuli. Actuation with light, however, is as advantageous as difficult to implement without modifying DNA strands with photo-switchable groups. Herein, we show that DNA nanodevices can be controlled using visible light in photo-switchable aqueous buffer solutions in a reversible and highly programmable fashion. The strategy presented here is non-invasive and allows the remote control with visible light of complex operations of DNA-based nanodevices such as the reversible release/loading of cargo molecules.
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Affiliation(s)
- Valentin Jean Périllat
- Institut des Sciences et Ingénierie Chimiques École Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland
| | - Erica Del Grosso
- Department of Chemistry, University of Rome Tor Vergata Via della Ricerca Scientifica, 00133 Rome, Italy.
| | - Cesare Berton
- Institut des Sciences et Ingénierie Chimiques École Polytechnique Fédérale de Lausanne (EPFL)1015 LausanneSwitzerland
| | - Francesco Ricci
- Department of Chemistry, University of Rome Tor Vergata Via della Ricerca Scientifica, 00133 Rome, Italy.
| | - Cristian Pezzato
- Institut des Sciences et Ingénierie Chimiques École Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland.,Department of Chemical Sciences, University of Padua Via Marzolo 1, 35131 Padua, Italy.
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14
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Photoreaction of Indazole Metastable-State Photoacid. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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15
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Wimberger L, Andréasson J, Beves JE. Basic-to-acidic reversible pH switching with a merocyanine photoacid. Chem Commun (Camb) 2022; 58:5610-5613. [PMID: 35437566 DOI: 10.1039/d2cc00805j] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The application of merocyanine photoacids has previously been largely limited to neutral and acidic pH values. Here we introduce a new merocyanine photoacid with superior pH switching qualities. By increasing the pKa in the dark (pKdarka) and the solubility we increased the reversible visible light induced pH jump to 3.5 units. Moreover, it is the first demonstration of a merocyanine photoacid able to generate a significant pH drop from a basic (pH 8.3) to an acidic (pH 5.2) environment.
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Affiliation(s)
- Laura Wimberger
- School of Chemistry, UNSW Sydney, Sydney, New South Wales 2052, Australia.
| | - Joakim Andréasson
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Göteborg 412 96, Sweden
| | - Jonathon E Beves
- School of Chemistry, UNSW Sydney, Sydney, New South Wales 2052, Australia.
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