1
|
Mukherjee A, Saha PC, Kar S, Guha P, Das RS, Bera T, Guha S. Acidic pH-Triggered Live-Cell Lysosome Specific Tracking, Ratiometric pH Sensing, and Multicolor Imaging by Visible to NIR Switchable Cy-7 Dyes. Chembiochem 2023; 24:e202200641. [PMID: 36459158 DOI: 10.1002/cbic.202200641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 11/28/2022] [Accepted: 12/02/2022] [Indexed: 12/05/2022]
Abstract
We have demonstrated an efficient synthetic route with crystal structures for the construction of acidic pH-triggered visible-to-NIR interchangeable ratiometric fluorescent pH sensors. This bioresponsive probe exhibits pH-sensitive reversible absorption/emission features, low cytotoxicity, a huge 322 nm bathochromic spectral shift with augmented quantum yield from neutral to acidic pH, high sensitivity and selective targeting ability of live-cell lysosomes with ideal pKa , off-to-on narrow NIR absorption/fluorescence signals with high molar absorption coefficient at acidic lysosomal lumen, and in-situ live-cell pH-activated ratiometric imaging of lysosomal pH. Selective staining and ratiometric pH imaging in human carcinoma live-cell lysosomes were monitored by dual-channel confocal laser scanning microscope using a pH-activatable organic fluorescent dye comprising a morpholine moiety for lysosome targeting and an acidic pH openable oxazolidine ring. Moreover, real-time tracking of lysosomes, 3D, and multicolor live-cell imaging have been achieved using the synthesized pH-activatable probe.
Collapse
Affiliation(s)
- Ayan Mukherjee
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata, 700032, India
| | - Pranab Chandra Saha
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata, 700032, India
| | - Samiran Kar
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata, 700032, India
| | - Pampa Guha
- Department of Chemistry, City College, 102/1 Raja Rammohan Sarani, Kolkata, 700009, India
| | - Rabi Sankar Das
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata, 700032, India
| | - Tapas Bera
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata, 700032, India
| | - Samit Guha
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata, 700032, India
| |
Collapse
|
2
|
Dowds M, Stenspil SG, de Souza JH, Laursen BW, Cacciarini M, Nielsen MB. Orthogonal‐ and Path‐dependent Photo/Acidoswitching in an Eight‐state Dihydroazulene‐Spiropyran Dyad. CHEMPHOTOCHEM 2022. [DOI: 10.1002/cptc.202200152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Mathias Dowds
- University of Copenhagen Department of Chemistry DENMARK
| | | | | | - Bo W. Laursen
- University of Copenhagen Department of Chemistry DENMARK
| | | | - Mogens Brøndsted Nielsen
- University of Copenhagen Department of Chemistry Universitetsparken 5 DK-2100 Copenhagen DENMARK
| |
Collapse
|
3
|
Multi-State Second-Order Nonlinear Optical Switches Incorporating One to Three Benzazolo-Oxazolidine Units: A Quantum Chemistry Investigation. Molecules 2022; 27:molecules27092770. [PMID: 35566119 PMCID: PMC9105456 DOI: 10.3390/molecules27092770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/21/2022] [Accepted: 04/22/2022] [Indexed: 11/20/2022] Open
Abstract
This contribution employs quantum chemistry methods to describe the variations of the second nonlinear optical responses of molecular switches based on benzazolo-oxazolidine (BOX) units, connected by π-linkers, along their successive opening/closing. Under the fully closed forms, all of them display negligible first hyperpolarizability (β) values. When one BOX is opened, which is sketched as C→O, a push–pull π-conjugated segment is formed, having the potential to enhance β and to set the depolarization ratio (DR) to its one-dimensional-like value (DR = 5). This is observed when only one BOX is open, either for the monoBOX species (C→O) or for the diBOX (CC→CO) and triBOX (CCC→CCO) compounds, i.e., when the remaining BOXs stay closed. The next BOX openings have much different effects. For the diBOXs, the second opening (CO→OO) is associated with a decrease of β, and this decrease is tuned by controlling the conformation of the π-linker, i.e., the centrosymmetry of the whole compound because β vanishes in centrosymmetric compounds. For the triBOXs, the second opening gives rise to a Λ-shape compound, with a negligible change of β, but a decrease of the DR whereas, along the third opening, β remains similar and the DR decreases to the typical value of octupolar systems (DR = 1.5).
Collapse
|
4
|
Gerwien A, Jehle B, Irmler M, Mayer P, Dube H. An Eight-State Molecular Sequential Switch Featuring a Dual Single-Bond Rotation Photoreaction. J Am Chem Soc 2022; 144:3029-3038. [PMID: 35157802 PMCID: PMC8874910 DOI: 10.1021/jacs.1c11183] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
![]()
Typical photoswitches
interconvert between two different states
by simple isomerization reactions, which represents a fundamental
limit for applications. To expand the switching capacity usually different
photoswitches have to be linked together leading to strong increase
in molecular weight, diminished switching function, and less precision
and selectivity of switching events. Herein we present an approach
for solving this essential problem with a different photoswitching
concept. A basic molecular switch architecture provides precision
photoswitching between eight different states via controlled rotations
around three adjacent covalent bonds. All eight states can be populated
one after another in an eight-step cycle by alternating between photochemical
Hula-Twist isomerizations and thermal single-bond rotations. By simply
changing solvent and temperature the same switch can also undergo
a different cycle instead interconverting just five isomers in a selective
sequence. This behavior is enabled through the discovery of an unprecedented
photoreaction, a one-photon dual single-bond rotation.
Collapse
Affiliation(s)
- Aaron Gerwien
- Ludwig-Maximilians Universität München, Department of Chemistry and Center for Integrated Protein Science CIPSM, Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Benjamin Jehle
- Ludwig-Maximilians Universität München, Department of Chemistry and Center for Integrated Protein Science CIPSM, Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Marvin Irmler
- Ludwig-Maximilians Universität München, Department of Chemistry and Center for Integrated Protein Science CIPSM, Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Peter Mayer
- Ludwig-Maximilians Universität München, Department of Chemistry and Center for Integrated Protein Science CIPSM, Butenandtstrasse 5-13, 81377 Munich, Germany
| | - Henry Dube
- Friedrich-Alexander Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Nikolaus-Fiebiger-Strasse 10, 91058 Erlangen, Germany
| |
Collapse
|
5
|
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. Dihydroazulene-Azobenzene-Dihydroazulene Triad Photoswitches. Chemistry 2021; 27:12437-12446. [PMID: 34096662 DOI: 10.1002/chem.202101533] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Indexed: 12/12/2022]
Abstract
Photoswitch triads comprising two dihydroazulene (DHA) units in conjugation with a central trans-azobenzene (AZB) unit were prepared in stepwise protocols starting from meta- and para-disubstituted azobenzenes. The para-connected triad had significantly altered optical properties and lacked the photoactivity of the separate photochromes. 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 photoisomerization and a slower trans-to-cis AZB photoisomerization. This meta triad underwent thermal VHF-to-DHA back-conversion with a similar rate of all VHFs, independent of the identity of the neighboring units, and in parallel thermal cis-to-trans AZB conversion. The experimental observations were supported by computation (excitation spectra and orbital analysis of the transitions).
Collapse
Affiliation(s)
- Alvis Mengots
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen Ø, Denmark
| | | | - Sandra Doria
- ICCOM-CNR, via Madeonna del Piano 10, 50019, Sesto Fiorentino, FI, Italy.,LENS, via N. Carrara1, 50019, Sesto Fiorentino, FI, Italy
| | - Frederik Ørsted Kjeldal
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen Ø, Denmark
| | - Nicolai Machholdt Høyer
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen Ø, Denmark
| | - Anne Ugleholdt Petersen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen Ø, Denmark
| | - Kurt V Mikkelsen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen Ø, Denmark
| | - Mariangela Di Donato
- ICCOM-CNR, via Madeonna del Piano 10, 50019, Sesto Fiorentino, FI, Italy.,LENS, via N. Carrara1, 50019, Sesto Fiorentino, FI, Italy
| | - Martina Cacciarini
- Department of Chemistry "U. Schiff", University of Florence, via della Lastruccia 3-13, 50019, Sesto Fiorentino, FI, Italy
| | - Mogens Brøndsted Nielsen
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen Ø, Denmark
| |
Collapse
|
6
|
Mukherjee A, Saha PC, Das RS, Bera T, Guha S. Acidic pH-Activatable Visible to Near-Infrared Switchable Ratiometric Fluorescent Probe for Live-Cell Lysosome Targeted Imaging. ACS Sens 2021; 6:2141-2146. [PMID: 34125510 DOI: 10.1021/acssensors.1c00961] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Here, we have designed and synthesized acidic pH-activatable visible to NIR switchable ratiometric pH-sensitive fluorescent dye. The design consists of a cell-permeable organic probe containing a lysosome targeting morpholine functionality and an acidic pH-activatable oxazolidine moiety. The visible closed oxazolidine form (λabs 418 nm) can be switched to the highly conjugated NIR Cy-7 form (λabs 780 nm) through ring opening of the oxazolidine moiety at acidic pH. This switching of the ratiometric fluorescent probe is highly reversible and can be controlled by pH. NMR, UV/vis, and fluorescence spectroscopies allowed monitoring of pH switching behavior of the probe. This bioresponsive in situ acidic organelle activatable fluorophore showed reversible pH-switchable ratiometric optical properties, high photostability, huge bathochromic emission shift of 320 nm from basic to acidic pH, off-to-on narrow NIR absorption and emission bands with enhanced molar extinction coefficient at lysosomal pH, good quantum yield, low cytotoxicity, and targeted imaging ability of live cell lysosomes with ideal pKa. The report demonstrated ratiometric imaging with improved specificity of the acidic lysosome while minimizing signals at the NIR region from nontargeted neutral or basic organelles in human carcinoma HeLa and A549 as well as rat healthy H9c2(2-1) live cells, which is monitored by confocal laser scanning microscopy.
Collapse
Affiliation(s)
- Ayan Mukherjee
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Pranab Chandra Saha
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Rabi Sankar Das
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Tapas Bera
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700032, India
| | - Samit Guha
- Department of Chemistry, Organic Chemistry Section, Jadavpur University, Kolkata 700032, India
| |
Collapse
|
7
|
Quertinmont J, Beaujean P, Stiennon J, Aidibi Y, Leriche P, Rodriguez V, Sanguinet L, Champagne B. Combining Benzazolo-Oxazolidine Twins toward Multi-state Nonlinear Optical Switches. J Phys Chem B 2021; 125:3918-3931. [PMID: 33851843 DOI: 10.1021/acs.jpcb.1c01962] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Molecular switches are chemical compounds exhibiting the possibility of reversible transformations between their different forms accompanied by a modification in their properties. Among these, switching of multi-addressable Benzazolo-OXazolidines (BOXs) from a closed form to an open form results in drastic modifications in their linear and nonlinear optical properties. Here, we target molecules containing two identical BOX units (DiBOX) connected by different π-conjugated linkers, and we combine synthesis, UV/visible absorption, and hyper-Rayleigh scattering (HRS) measurements, together with density functional theory (DFT) calculations. Three derivatives have been considered, which differ by the linker: (i) a bithiophene moiety (Bt), (ii) two 3,4-ethylenedioxythiopene (EDOT) units, and (iii) a triad composed of an EDOT-thiophene-EDOT sequence (TtO). As a matter of fact, these systems can adopt three states (CF-CF, POF-POF, and CF-POF) depending on the closed form (CF) or the protonated open form (POF) of each BOX unit. Despite chemical equivalence, stepwise switching of such systems under the addition of a chemical acid or an oxidant has been experimentally evidenced for two of them (DiBOX-Bt and DiBOX-TtO). Then, DFT calculations show that the first BOX opening leads to the formation of a push-pull π-conjugated segment, exhibiting a huge increase in the first hyperpolarizability (β) and a bathochromic shift with respect to the fully closed form. On the contrary, the second BOX opening induces not only a slight bathochromic shift but also a reduction in their β values conferring the great and uncommon abilities to modulate their linear and nonlinear properties over three discrete levels. Among these results, those on DiBOX-Bt agree with the experimental data obtained by HRS measurements and further shed light on their structure-property relationship.
Collapse
Affiliation(s)
- Jean Quertinmont
- Theoretical Chemistry Laboratory, Unit of Theoretical and Structural Physical Chemistry, Namur Institute of Structured Matter, University of Namur, B-5000 Namur, Belgium
| | - Pierre Beaujean
- Theoretical Chemistry Laboratory, Unit of Theoretical and Structural Physical Chemistry, Namur Institute of Structured Matter, University of Namur, B-5000 Namur, Belgium
| | - Julien Stiennon
- Theoretical Chemistry Laboratory, Unit of Theoretical and Structural Physical Chemistry, Namur Institute of Structured Matter, University of Namur, B-5000 Namur, Belgium
| | - Youssef Aidibi
- Univ Angers, CNRS, MOLTECH-Anjou, F-49000 Angers, France
| | | | - Vincent Rodriguez
- Institut des Sciences Moléculaires (ISM, UMR CNRS 5255), Université de Bordeaux, 351 Cours de la Libération, 33405 Talence, France
| | | | - Benoît Champagne
- Theoretical Chemistry Laboratory, Unit of Theoretical and Structural Physical Chemistry, Namur Institute of Structured Matter, University of Namur, B-5000 Namur, Belgium
| |
Collapse
|
8
|
Sattar F, Feng Z, Zou H, Ye H, Zhang Y, You L. Dynamic covalent bond constrained ureas for multimode fluorescence switching, thermally induced emission, and chemical signaling cascades. Org Chem Front 2021. [DOI: 10.1039/d1qo00500f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A combination of organic ureas and dynamic covalent chemistry was demonstrated for multistate switching, thermally induced fluorescence, and signaling cascades.
Collapse
Affiliation(s)
- Fazli Sattar
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- China
| | - Zelin Feng
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- China
| | - Hanxun Zou
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- China
| | - Hebo Ye
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- China
| | - Yi Zhang
- School of Materials Science and Energy Engineering
- Foshan University
- Foshan
- China
| | - Lei You
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou
- China
| |
Collapse
|
9
|
Jeong M, Park J, Kwon S. Molecular Switches and Motors Powered by Orthogonal Stimuli. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001179] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Myeongsu Jeong
- Department of Chemistry Chung‐Ang University Heukseok‐ro, Dongjak‐gu 06974 Seoul Republic of Korea
| | - Jiyoon Park
- Department of Chemistry Chung‐Ang University Heukseok‐ro, Dongjak‐gu 06974 Seoul Republic of Korea
| | - Sunbum Kwon
- Department of Chemistry Chung‐Ang University Heukseok‐ro, Dongjak‐gu 06974 Seoul Republic of Korea
| |
Collapse
|