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Ramachandran Nair V, Sandeep K, Shanthil M, Dhanya S, Archana A, Vibin M, Divyalakshmi H. Simple and Cost-Effective Quantum Dot Chemodosimeter for Visual Detection of Biothiols in Human Blood Serum. ACS OMEGA 2024; 9:6588-6594. [PMID: 38371793 PMCID: PMC10870302 DOI: 10.1021/acsomega.3c07518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 01/08/2024] [Accepted: 01/12/2024] [Indexed: 02/20/2024]
Abstract
An emission "turn-off" chemodosimeter for the naked-eye detection of biothiols using silica-overcoated cadmium selenide quantum dots is developed. Hole scavenging by the thiol group of cysteine, homocysteine, or glutathione on interaction with quantum dots resulted in an instant and permanent emission quenching under physiologically relevant conditions. Also, the emission suppression is so specific that thiols and substituted thiols (methionine and cystine) can easily be distinguished. A pilot experiment for the visual detection of serum thiols in human blood was also conducted. Densitometry analysis proved the potential of this system as a new methodology in clinical chemistry and research laboratories for routine blood and urine analyses using a simple procedure. This method enables one to visually distinguish biothiols and oxidized biothiols, whose ratio plays a crucial role in maintaining "redox thiol status" in the blood.
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Affiliation(s)
- Vinayakan Ramachandran Nair
- Department
of Chemistry (Research Center under MG University, Kerala), NSS Hindu College (Nationally Accredited with ‘A’
Grade), Changanacherry 686102, Kerala, India
- Chemical
Sciences and Technology Division, National
Institute for Interdisciplinary Science and Technology (NIIST-CSIR), Thiruvananthapuram 695019, Kerala, India
| | - Kulangara Sandeep
- Department
of Chemistry, Government Victoria College,
Research Center under University of Calicut, Palakkad 678001, Kerala, India
| | - Madhavan Shanthil
- Department
of Chemistry, Government Victoria College,
Research Center under University of Calicut, Palakkad 678001, Kerala, India
| | - Santhakumar Dhanya
- Department
of Chemistry (Research Center under MG University, Kerala), NSS Hindu College (Nationally Accredited with ‘A’
Grade), Changanacherry 686102, Kerala, India
| | - Aravind Archana
- Department
of Chemistry, Saveetha School of Engineering, SIMATS, Chennai 602105, Tamil Nadu, India
| | - Muthunayagam Vibin
- Department
of Biochemistry, St. Albert’s College
(Autonomous), Mahatma Gandhi University, Ernakulam 682018, Kerala, India
| | - Hareendran Divyalakshmi
- Department
of Chemistry (Research Center under MG University, Kerala), NSS Hindu College (Nationally Accredited with ‘A’
Grade), Changanacherry 686102, Kerala, India
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Sławski J, Szewczyk S, Burdziński G, Gibasiewicz K, Grzyb J. Time-resolved absorption measurements quantify the competition of energy and electron transfer between quantum dots and cytochrome c. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 295:122627. [PMID: 36963219 DOI: 10.1016/j.saa.2023.122627] [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: 11/02/2022] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 06/18/2023]
Abstract
We applied transient absorption spectroscopy to study the early photodynamics in a system composed of CdTe quantum dots (QDs) and cytochrome c (Cyt c) protein. In the QDs and Cyt c mixtures, about 25 % of the excited QD electrons quickly relax (∼23 ps) to the ground state and roughly 75 % decay on slower time scale - mostly due to quenching by Cyt c. On the basis of the assumed model, we estimated the contribution of electron transfer and other mechanisms to this quenching. The primary quenching mechanism is probably energy transfer but electron transfer makes a significant contribution (∼8 %), resulting in photoreduction of Cyt c. The lifetime of one fraction of reduced Cyt c (35-90 %) is ∼ 1 ms and the lifetime of the remaining fraction was longer than the ∼ 50-ms time window of the experiment. We speculate that, in the former fraction, the back electron transfer from the reduced Cyt c to QDs occurs and the latter fraction of Cyt c is stably reduced.
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Affiliation(s)
- Jakub Sławski
- Department of Biophysics, Faculty of Biotechnology, University of Wrocław, ul. F. Joliot-Curie 14a, 50-383 Wrocław, Poland.
| | - Sebastian Szewczyk
- Faculty of Physics, Adam Mickiewicz University in Poznań, ul. Uniwersytetu Poznańskiego 2, 61-614 Poznań, Poland
| | - Gotard Burdziński
- Faculty of Physics, Adam Mickiewicz University in Poznań, ul. Uniwersytetu Poznańskiego 2, 61-614 Poznań, Poland
| | - Krzysztof Gibasiewicz
- Faculty of Physics, Adam Mickiewicz University in Poznań, ul. Uniwersytetu Poznańskiego 2, 61-614 Poznań, Poland
| | - Joanna Grzyb
- Department of Biophysics, Faculty of Biotechnology, University of Wrocław, ul. F. Joliot-Curie 14a, 50-383 Wrocław, Poland
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Samanta SS, Giri PK, Giri S, Ghosh A, Misra A. Flexible HSA-Interactive Phenolphthalein based Probe Proficient at Selective Turn-On Sensing for Zn2+ & Al3+. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.134927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Fluorescent Carbon Quantum Dots for Effective Tumor Diagnosis: A Comprehensive Review. BIOMEDICAL ENGINEERING ADVANCES 2023. [DOI: 10.1016/j.bea.2023.100072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
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Mubeen M, Khalid MA, Gul T, Mukhtar M, Ul-Hamid A, Iqbal A. Cu-Enhanced Efficient Förster Resonance Energy Transfer in PBSA Sunscreen-Associated Ternary Cu x Cd 1-x S Quantum Dots. ACS OMEGA 2022; 7:35014-35022. [PMID: 36211065 PMCID: PMC9535639 DOI: 10.1021/acsomega.2c03729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 09/08/2022] [Indexed: 06/16/2023]
Abstract
Quantum dots (QDs) are semiconducting nanocrystals that exhibit size- and composition-dependent optical and electronic properties. Recently, Cu-based II-VI ternary Cu x Cd1-x S (CCS) QDs have emerged as a promising class of QDs as compared to their binary counterparts (CuS and CdS). Herein, a series of ternary CCS QDs are synthesized by changing the molar concentration of Cu2+ ions only keeping the 1:1 ratio of the stoichiometric mixture of Cd2+ and S2-. These CCS QDs are attached to 2-phenylbenzimidazole-5-sulfonic acid (PBSA), an eminent UV-B filter widely used in many commercial sunscreen products to avoid skin erythema and DNA mutagenic photolesions. The photoinduced Förster resonance energy transfer (FRET) is investigated from PBSA to CCS QDs as a function of Cu concentration in CCS QDs using the steady-state photoluminescence and time-resolved photoluminescence measurements. A 2-fold increase in the magnitude of non-radiative energy transfer rate (K T(r)) is observed as the molar concentration of Cu in CCS QDs increases from 2 to 10 mM. Our findings suggest that in PBSA-CCS QD dyads, the FRET occurrence from PBSA to QDs is dictated by the dynamic mode of photoluminescence (PL) quenching. The bimolecular PL quenching rate constants (k q) estimated by Stern-Volmer's plots for PBSA-CCS QD dyads are of the order of 1010 M-1 s-1, which signifies that in the PBSA-CCS QD dyad FRET system, the process of PL quenching is entirely diffusion-controlled.
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Affiliation(s)
- Muhammad Mubeen
- Department
of Chemistry, Quaid-I-Azam University, Islamabad 45320, Pakistan
| | | | - Tehreem Gul
- Department
of Chemistry, Quaid-I-Azam University, Islamabad 45320, Pakistan
| | - Maria Mukhtar
- Department
of Chemistry, Quaid-I-Azam University, Islamabad 45320, Pakistan
| | - Anwar Ul-Hamid
- Core
Research Facilities, King Fahd University
of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
| | - Azhar Iqbal
- Department
of Chemistry, Quaid-I-Azam University, Islamabad 45320, Pakistan
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Dou M, Wu Y, Du J. Luminescent gold nanoclusters as a signal reporter for cytochrome c assay with a double signal amplification strategy. J CHIN CHEM SOC-TAIP 2022. [DOI: 10.1002/jccs.202200263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Min‐Na Dou
- Normal Department Xianyang Vocational Technical College Xianyang China
| | - Yifan Wu
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering Shaanxi Normal University Xi′an China
| | - Jianxiu Du
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering Shaanxi Normal University Xi′an China
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Hu O, Li Z, He Q, Tong Y, Tan Y, Chen Z. Fluorescence Biosensor for One-Step Simultaneous Detection of Mycobacterium tuberculosis Multidrug-Resistant Genes Using nanoCoTPyP and Double Quantum Dots. Anal Chem 2022; 94:7918-7927. [PMID: 35594337 DOI: 10.1021/acs.analchem.2c00723] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The diagnosis of multidrug-resistant tuberculosis (MDR-TB) is crucial for the subsequent drug guidance to improve therapy and control the spread of this infectious disease. Herein, we developed a novel florescence biosensor for simultaneous detection of Mycobacterium tuberculosis (Mtb) multidrug-resistant genes (rpoB531 for rifampicin and katG315 for isoniazid) by using our synthesized nanocobalt 5,10,15,20-tetra(4-pyridyl)-21H,23H-porphine (nanoCoTPyP) and double quantum dots (QDs). Several nanoCoTPyPs with different charges and morphology were successfully prepared via the surfactant-assisted method and their quenching ability and restoring efficiency for DNA detection were systematically analyzed. It was found that spherical nanoCoTPyP with positive charge exhibited excellent quenching effect and sensing performance for the two DNAs' detection due to its affinity differences towards single-stranded DNA (ssDNA) and double-stranded DNA (dsDNA). ssDNA attached on QDs (QDs-ssDNA) was specifically hybridized with targets to form QDs-dsDNA, resulting in fluorescence recovery due to the disruption of the interactions between nanoCoTPyP and ssDNA. Two drug-resistant genes could be simultaneously quantified in a single run and relatively low limits of detection (LODs) were obtained (24 pM for T1 and 20 pM for T2). Furthermore, the accuracy and reliability of our method were verified by testing clinical samples. This simple and low-cost approach had great potential to be applied in clinical diagnosis of MDR-TB.
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Affiliation(s)
- Ou Hu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Zeyu Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Qidi He
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
| | - Yanli Tong
- Guangdong Second Provincial General Hospital, Guangzhou 510317, P. R. China
| | - Yaoju Tan
- State Key Laboratory of Respiratory Disease, Department of Clinical Laboratory, Guangzhou Chest Hospital, Guangzhou 510095, P. R. China
| | - Zuanguang Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, P. R. China
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Mohan B, Kumar S, Xi H, Ma S, Tao Z, Xing T, You H, Zhang Y, Ren P. Fabricated Metal-Organic Frameworks (MOFs) as luminescent and electrochemical biosensors for cancer biomarkers detection. Biosens Bioelectron 2022; 197:113738. [PMID: 34740120 DOI: 10.1016/j.bios.2021.113738] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 09/03/2021] [Accepted: 10/25/2021] [Indexed: 02/06/2023]
Abstract
In the health domain, a major challenge is the detection of diseases using rapid and cost-effective techniques. Most of the existing cancer detection methods show poor sensitivity and selectivity and are time consuming with high cost. To overcome this challenge, we analyzed porous fabricated metal-organic frameworks (MOFs) that have better structures and porosities for enhanced biomarker sensing. Here, we summarize the use of fabricated MOF luminescence and electrochemical sensors in devices for cancer biomarker detection. Various strategies of fabrication and the role of fabricated materials in sensing cancer biomarkers have been studied and described. The structural properties, sensing mechanisms, roles of noncovalent interactions, limits of detection, modeling, advantages, and limitations of MOF sensors have been well-discussed. The study presents an innovative technique to detect the cancer biomarkers by the use of luminescence and electrochemical MOF sensors. In addition, the potential association studies have been opening the way for personalized patient treatments and the development of new cancer-detecting devices.
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Affiliation(s)
- Brij Mohan
- Laboratory of Coordination Chemistry and Functional Materials, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China; School of Science, Harbin Institute of Technology (Shezhen), Shenzhen 518055, China
| | - Sandeep Kumar
- Laboratory of Coordination Chemistry and Functional Materials, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China; School of Science, Harbin Institute of Technology (Shezhen), Shenzhen 518055, China
| | - Hui Xi
- School of Science, Harbin Institute of Technology (Shezhen), Shenzhen 518055, China
| | - Shixuan Ma
- Laboratory of Coordination Chemistry and Functional Materials, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China; School of Science, Harbin Institute of Technology (Shezhen), Shenzhen 518055, China
| | - Zhiyu Tao
- Laboratory of Coordination Chemistry and Functional Materials, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China; School of Science, Harbin Institute of Technology (Shezhen), Shenzhen 518055, China
| | - Tiantian Xing
- Laboratory of Coordination Chemistry and Functional Materials, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China; School of Science, Harbin Institute of Technology (Shezhen), Shenzhen 518055, China
| | - Hengzhi You
- School of Science, Harbin Institute of Technology (Shezhen), Shenzhen 518055, China
| | - Yang Zhang
- School of Science, Harbin Institute of Technology (Shezhen), Shenzhen 518055, China.
| | - Peng Ren
- Laboratory of Coordination Chemistry and Functional Materials, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China; School of Science, Harbin Institute of Technology (Shezhen), Shenzhen 518055, China.
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9
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Grzyb J, Walczewska-Szewc K, Sławski J, Trojnar M. Quantum dot clusters as self-assembled antennae with phycocyanine and phycobilisomes as energy acceptors. Phys Chem Chem Phys 2021; 23:24505-24517. [PMID: 34700331 DOI: 10.1039/d1cp03347f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, we investigated an experimental and Monte-Carlo computational characterization of self-assembled antennae built using CdTe colloidal quantum dots (QDs). These clusters provide efficient excitation of phycocyanine (PC) or phycobilisomes (PBSs). PBSs are light-harvesting complexes (LHCs) of cyanobacteria, made of several PC units, organized in disks and rods. Each PC contains three separate cofactors. Therefore, we analyzed variations in multi-donor and multi-acceptor systems. The self-assembled QD clusters were formed mostly by electrostatic interactions, possibly due to the introduction of a positive charge on an originally negatively charged nanoparticle surface. Our results suggest that PC may accept energy from multiple nanoparticles localized at a distance significantly longer than the Förster radius. The excitation transfers between particular nanoparticles with possible delocalization. The maximal energy transfer efficiency was obtained for the PC/PBS : QD ratio from 1 to 20 depending on the QD size. This cannot be fully explained using computational simulations; hence, we discussed the hypothesis and explained the observations. Our self-assembled systems may be considered for possible applications in artificial light-harvesting systems because absorption spectra of QDs are different from the absorption characteristics of PC/PBS. In addition, huge clusters of QDs may effectively increase the optical cross-section of so-created nanohybrids.
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Affiliation(s)
- Joanna Grzyb
- Department of Biophysics, Faculty of Biotechnology, University of Wrocław, F. Joliot-Curie 14a str, 50-383 Wrocław, Poland.
| | - Katarzyna Walczewska-Szewc
- Department of Biophysics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudziądzka 5 str., 87-100 Toruń, Poland.,Centre for Modern Interdisciplinary Technologies, Nicolaus Copernicus University, Wileńska 4 str., 87-100 Toruń, Poland
| | - Jakub Sławski
- Department of Biophysics, Faculty of Biotechnology, University of Wrocław, F. Joliot-Curie 14a str, 50-383 Wrocław, Poland.
| | - Martyna Trojnar
- Department of Biophysics, Faculty of Biotechnology, University of Wrocław, F. Joliot-Curie 14a str, 50-383 Wrocław, Poland.
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Effect of Serum Albumin on Porphyrin-Quantum Dot Complex Formation, Characteristics and Spectroscopic Analysis. NANOMATERIALS 2021; 11:nano11071674. [PMID: 34202308 PMCID: PMC8308150 DOI: 10.3390/nano11071674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/16/2021] [Accepted: 06/21/2021] [Indexed: 11/17/2022]
Abstract
The effect of bovine serum albumin (BSA) upon interaction between CdTe QD functionalized by 3-Mercaptopropionic Acid (CdTe-3-MPA QD) and two water soluble porphyrins: positively charged meso-tetra methyl pyridyl porphyrin (TMPyP) and negatively charged meso-tetrakis(p-sulfonato-phenyl) porphyrin (TPPS4), was studied in function of pH using the steady-state and time resolved optical absorption and fluorescence spectroscopies. It was shown that, depending on the charge state of the components, interaction with albumin could either prevent the formation of the QD…PPh complex, form a mixed QD…PPh…BSA complex or not affect PPh complexation with QD at all. The obtained results may be of interest for application in photomedicine.
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