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Shamsi E, Parvin P, Ahmadinouri F, Khazai S. Laser-induced fluorescence spectroscopy of plant-based drugs: Opium and hashish provoking at 405 nm. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 302:123055. [PMID: 37390713 DOI: 10.1016/j.saa.2023.123055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 06/13/2023] [Accepted: 06/19/2023] [Indexed: 07/02/2023]
Abstract
Here, the fluorescence properties of some plant-based drug samples are characterized using a coherent excitation source at 405 nm. The laser-induced fluorescence (LIF) spectroscopy is examined to analyze opium and hashish. In order to improve traditional fluorescence methods for better analysis of optically dense materials, we have proposed five characteristic parameters based on solvent densitometry assay as the fingerprints of drugs of interest. The signal emissions are recorded in terms of various drug concentrations, such that the best fitting over experimental data determines the fluorescence extinction (α) and self-quenching (k) coefficients according to the modified Beer-Lambert formalism. The typical α value is determined to be 0.30 and 0.15 mL/(cm∙mg) for opium and hashish, respectively. Similarly, typical k is obtained 0.390 and 1.25 mL/(cm∙mg), respectively. Furthermore, the concentration at max fluorescence intensity (Cp) is determined for opium and hashish to be 1.8 and 1.3 mg/mL, respectively. Results reveal that opium and hashish benefit their own characteristic fluorescence parameters to discriminate those illicit substances promptly using the present method.
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Affiliation(s)
- Ehsan Shamsi
- Physics Department, Amirkabir University of Technology, P.O. Box 15875-4413, Tehran, Iran
| | - Parviz Parvin
- Physics Department, Amirkabir University of Technology, P.O. Box 15875-4413, Tehran, Iran.
| | - Fatemeh Ahmadinouri
- Physics Department, Amirkabir University of Technology, P.O. Box 15875-4413, Tehran, Iran
| | - Samaneh Khazai
- Physics Department, Amirkabir University of Technology, P.O. Box 15875-4413, Tehran, Iran
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Bavali A, Amani M. LIF spectroscopy of epithelial tissues: Assay of structural changeover due to the cancer progression. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2022; 233:112482. [PMID: 35660311 DOI: 10.1016/j.jphotobiol.2022.112482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 05/11/2022] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
Most of the human cancers occur in epithelial tissues containing basic cells with different shapes, and not only do the spectral properties of the tissue pigments alter due to cancer, but the cellular architecture also change. However, in optical diagnosis of the cancerous tissues, attention has been paid to the spectral changeover of native chromophores as bio-markers. Here, we have attempted to assay the structural alterations of the epithelial tissues during the cancer progression utilizing Laser induced fluorescence (LIF) spectroscopy as a fast, sensitive and easy-to-use method. In this regard, angular dependence of the LIF spectral features of the healthy and cancerous epithelial tissues (soaked in Rhodamine 6G solution) from three different human organs i. e. uterus, colon and kidney with distinct microstructures have been examined. In general, both wavelength and intensity at the peak of the LIF spectra depend on the tissue orientation and the angle of detection respect to the laser beam direction. Those optical parameters also demonstrate distinctive alterations in different tissues that is explicated based on the morphological alteration of the epithelial cells in each carcinoma type provided by pathology data.
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Affiliation(s)
- Ali Bavali
- Department of Energy Engineering and Physics, Amirkabir University of Technology (Tehran Polytechnic), Iran.
| | - Marzieh Amani
- Department of Energy Engineering and Physics, Amirkabir University of Technology (Tehran Polytechnic), Iran
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Jahdi Abdollahi S, Parvin P, Mayahi S, Seyedi S, Mohsenian P, Ramezani F. Hybrid laser activated phycocyanin/capecitabine treatment of cancerous MCF7 cells. BIOMEDICAL OPTICS EXPRESS 2022; 13:3939-3953. [PMID: 35991918 PMCID: PMC9352291 DOI: 10.1364/boe.459737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 05/31/2022] [Accepted: 06/01/2022] [Indexed: 06/15/2023]
Abstract
Laser-induced fluorescence is recently used as an efficient technique in cancer diagnosis and non-invasive treatment. Here, the synergic therapeutical efficacies of the Capecitabine (CAP) chemodrug, photosensitive Phycocyanin (PC) and graphene oxide (GO) under laser irradiation were investigated. The therapeutical efficacies of diverse concentrations of CAP (0.001-10 mg/ml) and PC (0.5-10 mg/ml) alone and with laser irradiation on human breast adenocarcinoma (MCF-7) cells were examined. The interactional effects of 100 mW SHG Nd:YAG laser at 532nm and GaAs laser at 808 nm ranging power of 150 mW- 2.2W were considered. The contribution of graphene oxide (GO) in biocompatible concentrations of 2.5-20 ng/ml and thermal characteristics of laser exposure at 808 nm on GO + fluorophores have been studied. The effects of the bare and laser-excited CAP + PC on cell mortality have been obtained. Despite the laser irradiation could not hold up the cell proliferation in the absence of drug interaction considerably; however, the viability of the treated cells (by a combination of fluorophores) under laser exposure at 808 nm was significantly reduced. The laser at 532 nm excited the fluorescent PC in (CAP + PC) to trigger the photodynamic processes via oxygen generation. Through the in-vitro experiments of laser-induced fluorescence (LIF) spectroscopy of PC + CAP, the PC/CAP concentrations of the maximum fluorescence signal and spectral shifts have been characterized. The synergic effects of the laser exposures and (CAP + PC) treatment at different concentrations were confirmed. It has been shown here that the laser activation of (CAP + PC) can induce the mortality of the malignant cells by reducing the chemotherapeutic dose of CAP to avoid its non-desirable side effects and by approaching the minimally invasive treatment. Elevation of the laser intensity/exposure time could contribute to the therapeutic efficacy. Survival of the treated cells with a combination of GO and fluorophores could be reduced under laser exposure at 808 nm compared to the same combination therapy in the absence of GO. This survey could benefit the forthcoming clinical protocols based on laser spectroscopy for in-situ imaging/diagnosis/treatment of adenocarcinoma utilizing PC + CAP + GO.
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Affiliation(s)
- Sahar Jahdi Abdollahi
- Department of Energy Engineering and Physics, Amirkabir University of Technology, P.O. Box 15875- 4413, Tehran, Iran
| | - Parviz Parvin
- Department of Energy Engineering and Physics, Amirkabir University of Technology, P.O. Box 15875- 4413, Tehran, Iran
- Equal corresponding
| | - Sara Mayahi
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Solaleh Seyedi
- Department of Energy Engineering and Physics, Amirkabir University of Technology, P.O. Box 15875- 4413, Tehran, Iran
| | - Parnian Mohsenian
- Department of Energy Engineering and Physics, Amirkabir University of Technology, P.O. Box 15875- 4413, Tehran, Iran
| | - Fatemeh Ramezani
- Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran
- Equal corresponding
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Garima, Parkash V, Mehta SK, Sharma S. Selective Response Studies of Graphene Materials with Forensic Relevant Drugs Through Fluorescence Spectroscopy. JOURNAL OF ANALYTICAL CHEMISTRY 2022. [DOI: 10.1134/s1061934822040062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Modulated photoluminescence and photodynamic efficiency of hydroxyapatite-methylene blue@carbon-ions by ion-π coupling interactions. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Chen H, Xing L, Guo H, Luo C, Zhang X. Dual-targeting SERS-encoded graphene oxide nanocarrier for intracellular co-delivery of doxorubicin and 9-aminoacridine with enhanced combination therapy. Analyst 2021; 146:6893-6901. [PMID: 34633394 DOI: 10.1039/d1an01237a] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A graphene oxide (GO)-based nanocarrier that imparts tumor-selective delivery of dual-drug with enhanced therapeutic index, is introduced. GO is conjugated with Au@Ag and Fe3O4 nanoparticles, which facilitates it with SERS tracking and magnetic targeting abilities, followed by the covalent binding of the anti-HER2 antibody, thus allowing it to both actively and passively target SKBR3 cells, human breast cancer cells expressed with HER2. Intracellular drug delivery behaviors are probed using SERS spectroscopy in a spatiotemporal manner, which demonstrates that nanocarriers are internalized into the lysosomes and release the drug in response to the acidic microenvironment. The nanocarriers loaded with dual-drug possess increased cancer cytotoxicity in comparison to those loaded with a single drug. Attractively, the enhanced cytotoxicity against cancer cells is achieved with relatively low concentrations of the drug, which is demonstrated to be involved in the drug adsorption status. These results may give us the new prospects to design GO-based delivery systems with rational drug dosages, thus achieving optimal therapeutic response of the multi-drug with increased tumor selectivity and reduced side effects.
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Affiliation(s)
- Hui Chen
- Key Laboratory of Optical Technology and Instrument for Medicine, Ministry of Education, University of Shanghai for Science and Technology, 200093 Shanghai, China.
| | - Longqiang Xing
- Key Laboratory of Optical Technology and Instrument for Medicine, Ministry of Education, University of Shanghai for Science and Technology, 200093 Shanghai, China.
| | - Huiru Guo
- Key Laboratory of Optical Technology and Instrument for Medicine, Ministry of Education, University of Shanghai for Science and Technology, 200093 Shanghai, China.
| | - Caixia Luo
- Key Laboratory of Optical Technology and Instrument for Medicine, Ministry of Education, University of Shanghai for Science and Technology, 200093 Shanghai, China.
| | - Xuedian Zhang
- Key Laboratory of Optical Technology and Instrument for Medicine, Ministry of Education, University of Shanghai for Science and Technology, 200093 Shanghai, China.
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Seyedi S, Parvin P, Jafargholi A, Abbasian A, Mehdinejad M, Khorrami A, Mehrabi M, Moafi A. Fluorescence emission quenching of RdB fluorophores in attendance of various blood type RBCs based on Stern-Volmer formalism. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 248:119237. [PMID: 33307349 DOI: 10.1016/j.saa.2020.119237] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/09/2020] [Accepted: 11/14/2020] [Indexed: 06/12/2023]
Abstract
In this work, the optical properties of Rhodamine B (RdB) are investigated in the attendance of various red blood cells (RBCs). RdB fluorophores, as biological markers, is excited using SHG-CW Nd:YAG laser at 532 nm. In fact, the addition of biomolecules of interest to the reference fluorophore notably changes the fluorescence properties of the suspension. Here, laser induced fluorescence (LIF) spectrophotometry based on Stern-Volmer quenching formalism and field emission scanning electron microscope (FESEM) are employed here. According to the given fluorescence spectra, the spectral shift of emissions as well as quenching coefficients are assessed subsequently. The Stern-Volmer formalism is used to determine the quenching coefficients. In fact, RdB + RBCs suspensions contain a plenty of bioconjugates leading to the signal reduction and notable red shift in RdB fluorescence emissions. Furthermore, it is demonstrated that the positive blood type RBCs exhibit the higher quenching coefficients and the larger red shifts against those of negative blood types. This mainly arises from the nature of specific sugar antigens available on the RBC membranes as to N-acetylgalactosamine and galactose attached to the O-antigen terminal would enhance further quenching of the species. Moreover, a significant correlation appears between Stern-Volmer coefficients and the corresponding RBCs. In fact, distinct discrepancy takes place in quenching coefficients in terms various positive/negative blood types to envisage a facile method of blood typing.
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Affiliation(s)
- S Seyedi
- Physics Department, Amirkabir University of Technology, Tehran 15875-4413, Iran
| | - P Parvin
- Physics Department, Amirkabir University of Technology, Tehran 15875-4413, Iran.
| | - A Jafargholi
- Physics Department, Amirkabir University of Technology, Tehran 15875-4413, Iran
| | - A Abbasian
- Tehran Blood Transfusion Center, P.O. Box 1416613141, Tehran, Iran
| | - M Mehdinejad
- Tehran Blood Transfusion Center, P.O. Box 1416613141, Tehran, Iran
| | - A Khorrami
- CinnaGen Medical Biotechnology Research Center, Alborz University of Medical Sciences, P.O. Box 3165933155, Alborz, Iran; CinnaGen Research and Production Co., P.O. Box 3165933155, Alborz, Iran
| | - M Mehrabi
- Department of Physics, Persian Gulf University, P.O. Box 7516913817, Bushehr, Iran
| | - A Moafi
- Physics Department, Amirkabir University of Technology, Tehran 15875-4413, Iran
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Hu Y, Gao Z. Sensitive detection of Sudan dyes using tire-derived carbon dots as a fluorescent sensor. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 239:118514. [PMID: 32470803 DOI: 10.1016/j.saa.2020.118514] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 05/11/2020] [Accepted: 05/19/2020] [Indexed: 06/11/2023]
Abstract
In this paper, we exploit an innovative strategy to reuse waste rubber tires as a low-cost source for the fabrication of a high-value material, fluorescent carbon dots (CDs). In the hydrothermal condition, ammonium persulphate is utilized to oxidize the tires and offer nitrogen atom for doping, to produce CDs with a high quantum yield (QY) of up to 23.8%. Such a QY is outstanding among the reported waste-derived CDs. It is found that the fluorescence of CDs can be remarkably quenched by Sudan I-IV with negligible interference from other substances. The corresponding linear ranges are 0.5-60, 0.5-60, 1-70, and 1-70 μM, and limits of detection are 0.17, 0.21, 0.53, and 0.62 μM for Sudan I, II, III, and IV, respectively. Systematic investigations reveal that the fluorescence quenching mainly stems from the inner filter effect. Moreover, the CD-based sensor shows an excellent applicability for the assay of Sudan dyes in chili powder sample.
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Affiliation(s)
- Yaoping Hu
- School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China.
| | - Zhijin Gao
- Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
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Mu Y, Zhuang Q, Huang S, Hu M, Wang Y, Ni Y. Adenine-stabilized carbon dots for highly sensitive and selective sensing of copper(II) ions and cell imaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 239:118531. [PMID: 32498027 DOI: 10.1016/j.saa.2020.118531] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 05/13/2020] [Accepted: 05/22/2020] [Indexed: 06/11/2023]
Abstract
Adenine-stabilized carbon dots (A-CDs) are shown to be a viable fluorescent probe for highly sensitive detection and imaging of Cu2+. The probe has a linear fluorometric response in the 1-700 nM concentration range and a 0.3 nM detection limit. The probe, with excitation/emission maxima at 380/435 nm, is highly selective for Cu2+ over other metal ions, anions, amino acids, and biomolecules. The fluorescence quenching mechanism of the A-CDs by Cu2+ is investigated using transmission electron microscopy images coupled with elemental mapping, X-ray photoelectron spectroscopy, X-ray-excited Auger electron spectroscopy, fluorescence lifetime, UV-visible spectroscopy, and cyclic voltammetry. The experimental results show that the fluorescence quenching is caused by the combination of Cu2+-coordination-induced aggregation of the A-CDs, the reduction of Cu2+ by the A-CDs, and the nonradiative photoinduced electron transfer process from the A-CDs to Cu2+ or metallic Cu. The high sensitivity and high selectivity of the sensor are ascribed to the chemical interactions between the A-CDs and Cu2+, the photophysical process between the A-CDs and Cu2+, and the high fluorescence quantum yield of the A-CDs (44.6%). The A-CDs have excellent water solubility, good stability to variation of pH values, high photostability, fast response time, and low cytotoxicity. They are successfully employed for intracellular imaging of Cu2+ in HepG2 cells and Cu2+ detection in the tap water samples.
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Affiliation(s)
- Yaxin Mu
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Qianfen Zhuang
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Saipeng Huang
- School of Chemical Engineering, Northwest University, X'ian 710069, China
| | - Mingyue Hu
- College of Chemistry, Nanchang University, Nanchang 330031, China
| | - Yong Wang
- College of Chemistry, Nanchang University, Nanchang 330031, China; Jiangxi Province Key Laboratory of Modern Analytical Science, Nanchang University, Nanchang 330031, China.
| | - Yongnian Ni
- College of Chemistry, Nanchang University, Nanchang 330031, China
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