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Soler-Orenes JA, Monari A, Miranda MA, Hernández-Gil J, Lhiaubet-Vallet V. Environmentally sensitive fluorescence of the topical retinoid adapalene. Front Chem 2024; 12:1438751. [PMID: 39040091 PMCID: PMC11260622 DOI: 10.3389/fchem.2024.1438751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2024] [Accepted: 06/14/2024] [Indexed: 07/24/2024] Open
Abstract
Intrinsic fluorescence of drugs brings valuable information on their localization in the organism and their interaction with key biomolecules. In this work, we investigate the absorption and emission properties of the topical retinoid adapalene in different solvents and biological media. While the UVA/UVB absorption band does not exhibit any significant solvent-dependent behavior, a strong positive solvatochromism is observed for the emission. These results are in line with molecular modeling and simulations that show the presence of two quasi-degenerate states, i.e., a local π-π* and an intermolecular charge-transfer (ICT) state. However, molecular modeling also revealed that, whatever the solvent, at the corresponding equilibrium geometry the lowest and emissive excited state is the local π-π*. Finally, the potential of adapalene to act as a biological probe is demonstrated using albumin, DNA and micelles.
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Affiliation(s)
- Juan A. Soler-Orenes
- Instituto Universitario Mixto de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Valencia, Spain
| | | | - Miguel A. Miranda
- Instituto Universitario Mixto de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Valencia, Spain
| | - Javier Hernández-Gil
- Instituto Universitario Mixto de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Valencia, Spain
| | - Virginie Lhiaubet-Vallet
- Instituto Universitario Mixto de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Valencia, Spain
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Kumar P, Soumya S, Prasad E. Enhanced Resonance Energy Transfer and White-Light Emission from Organic Fluorophores and Lanthanides in Dendron-based Hybrid Hydrogel. ACS APPLIED MATERIALS & INTERFACES 2016; 8:8068-8075. [PMID: 26954712 DOI: 10.1021/acsami.6b00018] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
In this paper, we have investigated the use of poly(aryl ether) dendron-based gel as a medium for resonance energy transfer (RET) from organic donors (phenanthrene, naphthalene, and pyrene) to lanthanide [Eu(III) and Tb(III)] ions. The gel has been prepared through self-assembly of glucose-cored poly(aryl ether) dendrons in a dimethyl sulfoxide/water mixture (1:9 v/v). The efficiency of RET was calculated by metal-centered emission quantum yield measurements in the gel medium. While there was no resonance energy transfer observed between the donor-acceptor pairs in solution, efficient RET has been observed in the gel medium. The metal-centered quantum yield values were 11.9% for phenanthrene-Eu(III), 3.9% for naphthalene-Eu(III), and 3.6% for pyrene-Eu(III) systems. Partial RET in the system has been utilized to generate white-light emission from the gel by incorporating an additional lanthanide ion, Tb(III), along with the organic donors and Eu(III). The CIE (Commission Internationale d'Eclairage) coordinates obtained for gels formed by phenanthrene-Tb(III)-Eu(III) (PTE), naphthalene-Tb(III)-Eu(III) (NTE), and pyrene-Tb(III)-Eu(III) (PyTE) were (0.33, 0.32) for PTE, (0.35, 0.37) for NTE, and (0.35, 0.33) for PyTE. The correlated color temperatures (CCT) for white-light-emitting gels were calculated, and the values (5520 K for PTE, 4886 K for NTE, and 4722 K for PyTE) suggest that the system generates cool white light.
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Affiliation(s)
- Prashant Kumar
- Department of Chemistry, Indian Institute of Technology Madras , Chennai, Tamil Nadu 600 036, India
| | - Sivalingam Soumya
- Department of Chemistry, Indian Institute of Technology Madras , Chennai, Tamil Nadu 600 036, India
| | - Edamana Prasad
- Department of Chemistry, Indian Institute of Technology Madras , Chennai, Tamil Nadu 600 036, India
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Vayá I, Andreu I, Monje VT, Jiménez MC, Miranda MA. Mechanistic Studies on the Photoallergy Mediated by Fenofibric Acid: Photoreactivity with Serum Albumins. Chem Res Toxicol 2015; 29:40-6. [PMID: 26633742 DOI: 10.1021/acs.chemrestox.5b00357] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The photoreactivity of fenofibric acid (FA) in the presence of human and bovine serum albumins (HSA and BSA, respectively) has been investigated by steady-state irradiation, fluorescence, and laser flash photolysis (LFP). Spectroscopic measurements allowed for the determination of a 1:1 stoichiometry for the FA/SA complexes and pointed to a moderate binding of FA to the proteins; by contrast, the FA photoproducts were complexed more efficiently with SAs. Covalent photobinding to the protein, which is directly related to the photoallergic properties of the drug, was detected after long irradiation times and was found to be significantly higher in the case of BSA. Intermolecular FA-amino acid and FA-albumin irradiations resulted in the formation of photoproducts arising from coupling between both moieties, as indicated by mass spectrometric analysis. Mechanistic studies using model drug-amino acid linked systems indicated that the key photochemical step involved in photoallergy is formal hydrogen atom transfer from an amino acid residue to the excited benzophenone chromophore of FA or (more likely) its photoproducts. This results in the formation of caged radical pairs followed by C-C coupling to give covalent photoaducts.
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Affiliation(s)
- Ignacio Vayá
- Departamento de Química/Instituto de Tecnología Química UPV-CSIC, Universitat Politècnica de València , Camino de Vera s/n, 46022 Valencia, Spain
| | - Inmaculada Andreu
- Unidad Mixta de Investigación IIS La Fe-UPV, Hospital Universitari i Politècnic La Fe , Avenida de Fernando Abril Martorell 106, 46026 Valencia, Spain
| | - Vicente T Monje
- Departamento de Química/Instituto de Tecnología Química UPV-CSIC, Universitat Politècnica de València , Camino de Vera s/n, 46022 Valencia, Spain
| | - M Consuelo Jiménez
- Departamento de Química/Instituto de Tecnología Química UPV-CSIC, Universitat Politècnica de València , Camino de Vera s/n, 46022 Valencia, Spain
| | - Miguel A Miranda
- Departamento de Química/Instituto de Tecnología Química UPV-CSIC, Universitat Politècnica de València , Camino de Vera s/n, 46022 Valencia, Spain
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Nuin E, Sastre G, Pischel U, Andreu I, Miranda MA. Configuration-Dependent Photoinduced Electron Transfer in Diastereomeric Naphthalene-Amino-Naphthalene Triads. Chemistry 2015. [PMID: 26215923 DOI: 10.1002/chem.201501008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Novel diastereomeric triads containing two naphthalene chromophores have been designed in which an electron-donating amine moiety is covalently integrated into the connecting bridge. Photophysical studies (steady-state and time-resolved fluorescence) in solvents of different polarity have been performed. A remarkable stereodifferentiation in the intramolecular fluorescence quenching was found in acetonitrile. Laser flash photolysis gave rise to naphthalene-derived radical cations, which were also quenched by the amine with an even higher degree of stereodifferentiation. The results are in agreement with thermodynamic estimations and indicate that photoinduced electron transfer (PET) is the main quenching pathway. Furthermore, theoretical calculations have allowed us to explain the experimentally observed stereodifferentiation in PET quenching.
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Affiliation(s)
- Edurne Nuin
- Instituto de Tecnología Química UPV-CSIC, Universitat Politècnica de València, Avenida de los Naranjos s/n, 46022 Valencia (Spain), Fax: (+34) 96-387-9444
| | - German Sastre
- Instituto de Tecnología Química UPV-CSIC, Universitat Politècnica de València, Avenida de los Naranjos s/n, 46022 Valencia (Spain), Fax: (+34) 96-387-9444
| | - Uwe Pischel
- CIQSO-Centro de Investigación en Química Sostenible y Departamento de Ingeniería Química, Química Física y Química Orgánica, Universidad de Huelva, Campus de El Carmen s/n, 21071 Huelva (Spain)
| | - Inmaculada Andreu
- Unidad Mixta de Investigación IIS La Fe-UPV, Hospital Universitari i Politècnic La Fe, Avenida de Fernando Abril Martorell 106, 46026 Valencia (Spain), Fax: (+34) 96-349-4420.
| | - Miguel A Miranda
- Instituto de Tecnología Química UPV-CSIC, Universitat Politècnica de València, Avenida de los Naranjos s/n, 46022 Valencia (Spain), Fax: (+34) 96-387-9444.
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Oliverio F, Nuin E, Andreu I, Ragno G, Miranda MA. Assessment of drug entrapment within liposomes using photophysical probes. Eur J Pharm Biopharm 2014; 88:551-5. [PMID: 24973632 DOI: 10.1016/j.ejpb.2014.06.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Revised: 06/06/2014] [Accepted: 06/10/2014] [Indexed: 10/25/2022]
Abstract
The photophysical and photochemical behavior of (R)-cinacalcet (CIN) and (S)-naproxen (NPX) entrapped within liposomes has been studied. For this purpose, liposome encapsulated drugs have been prepared through thin layer evaporation and characterized by transmission electron microscopy, cryoscopy scanning electron microscopy and dynamic light scattering. Steady state and time-resolved fluorescence experiments showed similar spectra, emission quantum yields, singlet energies and lifetimes for the selected drugs, outside and inside liposomes. By contrast, laser flash photolysis experiments revealed an important enhancement of the triplet lifetimes for entrapped drugs inside liposomes, indicating the spatial confinement existing in the microenvironment prevailing in these biomimetic entities. Thus, this photophysical property shows potential as a non-invasive, direct and valuable tool to monitor encapsulation of photoactive drugs and to probe the intraliposome environment. In addition, it provides a new quantitative indicator of the capability of liposomes to act as drug carriers.
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Affiliation(s)
- Filomena Oliverio
- Instituto de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Valencia, Spain; Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy
| | - Edurne Nuin
- Instituto de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Valencia, Spain
| | - Inmaculada Andreu
- Unidad Mixta de Investigación IIS La Fe-UPV, Hospital La Fe, Valencia, Spain
| | - Gaetano Ragno
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende, Italy.
| | - Miguel A Miranda
- Instituto de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Consejo Superior de Investigaciones Científicas, Valencia, Spain.
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Vayá I, Lhiaubet-Vallet V, Jiménez MC, Miranda MA. Photoactive assemblies of organic compounds and biomolecules: drug–protein supramolecular systems. Chem Soc Rev 2014; 43:4102-22. [DOI: 10.1039/c3cs60413f] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Modification of the drug excited state properties within proteins provides information on binding and may result in a different photoreactivity.
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Affiliation(s)
- Ignacio Vayá
- Departamento de Química/Instituto de Tecnología Química UPV-CSIC
- Universitat Politècnica de València
- E-46071 Valencia, Spain
| | - Virginie Lhiaubet-Vallet
- Departamento de Química/Instituto de Tecnología Química UPV-CSIC
- Universitat Politècnica de València
- E-46071 Valencia, Spain
| | - M. Consuelo Jiménez
- Departamento de Química/Instituto de Tecnología Química UPV-CSIC
- Universitat Politècnica de València
- E-46071 Valencia, Spain
| | - Miguel A. Miranda
- Departamento de Química/Instituto de Tecnología Química UPV-CSIC
- Universitat Politècnica de València
- E-46071 Valencia, Spain
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7
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Peng W, Ding F, Peng YK, Jiang YT, Zhang L. Binding patterns and structure-affinity relationships of food azo dyes with lysozyme: a multitechnique approach. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:12415-12428. [PMID: 24319998 DOI: 10.1021/jf4039327] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Food dyes serve to beguile consumers: they are often used to imitate the presence of healthful, colorful food produce such as fruits and vegetables. But considering the hurtful impact of these chemicals on the human body, it is time to thoroughly uncover the toxicity of these food dyes at the molecular level. In the present contribution, we have examined the molecular reactions of protein lysozyme with model food azo compound Color Index (C.I.) Acid Red 2 and its analogues C.I. Acid Orange 52, Solvent Yellow 2, and the core structure of azobenzene using a combination of biophysical methods at physiological conditions. Fluorescence, circular dichroism (CD), time-resolved fluorescence, UV-vis absorption as well as computer-aided molecular modeling were used to analyze food dye affinity, binding mode, energy transfer, and the effects of food dye complexation on lysozyme stability and conformation. Fluorescence emission spectra indicate complex formation at 10(-5) M dye concentration, and this corroborates time-resolved fluorescence results showing the diminution in the tryptophan (Trp) fluorescence mainly via a static type (KSV = 1.505 × 10(4) M(-1)) and Förster energy transfer. Structural analysis displayed the participation of several amino acid residues in food dye protein adducts, with hydrogen bonds, π-π and cation-π interactions, but the conformation of lysozyme was unchanged in the process, as derived from fluorescence emission, far-UV CD, and synchronous fluorescence spectra. The overall affinity of food dye is 10(4) M(-1) and there exists only one kind of binding domain in protein for food dye. These data are consistent with hydrophobic probe 8-anilino-1-naphthalenesulfonic acid (ANS) displacement, and molecular modeling manifesting the food dye binding patch was near to Trp-62 and Trp-63 residues of lysozyme. On the basis of the computational analyses, we determine that the type of substituent on the azobenzene structure has a powerful influence on the toxicity of food dyes. Results from this work testify that model protein, though an indirect method, provides a more comprehensive profile of the essence of toxicity evaluation of food dyes.
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Affiliation(s)
- Wei Peng
- College of Food Science & Engineering, Northwest A&F University , Yangling 712100, China
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8
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Sulfadiazine binds and unfolds bovine serum albumin: an in vitro study. Mol Biol Rep 2013; 40:6081-90. [DOI: 10.1007/s11033-013-2719-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2013] [Accepted: 09/14/2013] [Indexed: 12/16/2022]
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Nuin E, Gomez-Mendoza M, Marin ML, Andreu I, Miranda MA. Influence of Drug Encapsulation within Mixed Micelles on the Excited State Dynamics and Accessibility to Ionic Quenchers. J Phys Chem B 2013; 117:9327-32. [DOI: 10.1021/jp404353u] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Edurne Nuin
- Instituto Universitario Mixto
de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Avenida de los
Naranjos s/n, 46022 Valencia, Spain
| | - Miguel Gomez-Mendoza
- Instituto Universitario Mixto
de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Avenida de los
Naranjos s/n, 46022 Valencia, Spain
| | - M. Luisa Marin
- Instituto Universitario Mixto
de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Avenida de los
Naranjos s/n, 46022 Valencia, Spain
| | - Inmaculada Andreu
- Unidad Mixta de Investigación
IIS La Fe−UPV, Hospital La Fe, Avda.
Campanar 21, 46009 Valencia, Spain
| | - Miguel A. Miranda
- Instituto Universitario Mixto
de Tecnología Química (UPV-CSIC), Universitat Politècnica de València, Avenida de los
Naranjos s/n, 46022 Valencia, Spain
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Nuin E, Jiménez MC, Sastre G, Andreu I, Miranda MA. Drug-Drug Interactions within Protein Cavities Probed by Triplet-Triplet Energy Transfer. J Phys Chem Lett 2013; 4:1603-7. [PMID: 26282966 DOI: 10.1021/jz400640s] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
A new direct and noninvasive methodology based on transient absorption spectroscopy has been developed to probe the feasibility of drug-drug interactions within a common protein binding site. The simultaneous presence of (R)-cinacalcet (CIN) and (S)-propranolol (PPN) within human or bovine α1-acid glycoproteins (AAGs) is revealed by detection of (3)CIN* as the only transient species after laser flash photolysis of CIN/PPN/AAG mixtures at 308 nm. This is the result of triplet-triplet energy transfer from (3)PPN* to CIN, which requires close contact between the two drugs within the same biological compartment. Similar results are obtained with nabumetone and CIN as donor/acceptor partners. This new methodology can, in principle, be extended to a variety of drug/drug/biomolecule combinations.
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Affiliation(s)
- Edurne Nuin
- †Departamento de Química-Instituto de Tecnología Química UPV-CSIC, Universidad Politécnica de Valencia, Camino de Vera s/n, Valencia, Spain
| | - M Consuelo Jiménez
- †Departamento de Química-Instituto de Tecnología Química UPV-CSIC, Universidad Politécnica de Valencia, Camino de Vera s/n, Valencia, Spain
| | - Germán Sastre
- †Departamento de Química-Instituto de Tecnología Química UPV-CSIC, Universidad Politécnica de Valencia, Camino de Vera s/n, Valencia, Spain
| | - Inmaculada Andreu
- ‡Unidad mixta de investigación IIS La Fe-UPV, Hospital La Fe, Avda. Campanar 21, 46009 Valencia, Spain
| | - Miguel A Miranda
- †Departamento de Química-Instituto de Tecnología Química UPV-CSIC, Universidad Politécnica de Valencia, Camino de Vera s/n, Valencia, Spain
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Gomez-Mendoza M, Nuin E, Andreu I, Marin ML, Miranda MA. Photophysical Probes To Assess the Potential of Cholic Acid Aggregates as Drug Carriers. J Phys Chem B 2012; 116:10213-8. [DOI: 10.1021/jp304708y] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Miguel Gomez-Mendoza
- Instituto Universitario
Mixto de Tecnología
Química (UPV-CSIC), Universitat Politècnica de València,
Avenida de los Naranjos s/n, 46022 Valencia, Spain
| | - Edurne Nuin
- Instituto Universitario
Mixto de Tecnología
Química (UPV-CSIC), Universitat Politècnica de València,
Avenida de los Naranjos s/n, 46022 Valencia, Spain
| | - Inmaculada Andreu
- Instituto Universitario
Mixto de Tecnología
Química (UPV-CSIC), Universitat Politècnica de València,
Avenida de los Naranjos s/n, 46022 Valencia, Spain
| | - M. Luisa Marin
- Instituto Universitario
Mixto de Tecnología
Química (UPV-CSIC), Universitat Politècnica de València,
Avenida de los Naranjos s/n, 46022 Valencia, Spain
| | - Miguel A. Miranda
- Instituto Universitario
Mixto de Tecnología
Química (UPV-CSIC), Universitat Politècnica de València,
Avenida de los Naranjos s/n, 46022 Valencia, Spain
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Zhou X, Lü W, Su L, Dong Y, Li Q, Chen X. The binding affinity of amino acid–protein: hydroxyproline binding site I on human serum albumin. Org Biomol Chem 2012; 10:8314-21. [DOI: 10.1039/c2ob25967b] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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13
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Matveeva AG, Glebov EM, Korolev VV, Pozdnyakov IP, Plyusnin VF, Stass DV, Reznikov VA. Luminescent properties of new naphthylnitroxyl radicals. HIGH ENERGY CHEMISTRY 2011. [DOI: 10.1134/s0018143911050134] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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14
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Pérez-Ruiz R, Alonso R, Nuin E, Andreu I, Jiménez MC, Miranda MA. Naphthalene Triplet Excited State as a Probe for the Assessment of Drug Distribution in Binary Protein Systems. J Phys Chem B 2011; 115:4460-8. [DOI: 10.1021/jp111760j] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Raúl Pérez-Ruiz
- Departamento de Química, Instituto de Tecnología Química UPV-CSIC, Camino de Vera s/n, 46022, Valencia, Spain
| | - Rafael Alonso
- Departamento de Química, Instituto de Tecnología Química UPV-CSIC, Camino de Vera s/n, 46022, Valencia, Spain
| | - Edurne Nuin
- Departamento de Química, Instituto de Tecnología Química UPV-CSIC, Camino de Vera s/n, 46022, Valencia, Spain
| | - Inmaculada Andreu
- Departamento de Química, Instituto de Tecnología Química UPV-CSIC, Camino de Vera s/n, 46022, Valencia, Spain
| | - M Consuelo Jiménez
- Departamento de Química, Instituto de Tecnología Química UPV-CSIC, Camino de Vera s/n, 46022, Valencia, Spain
| | - Miguel A. Miranda
- Departamento de Química, Instituto de Tecnología Química UPV-CSIC, Camino de Vera s/n, 46022, Valencia, Spain
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