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Chaturvedi M, Patel M, Bisht N, Shruti, Das Mukherjee M, Tiwari A, Mondal DP, Srivastava AK, Dwivedi N, Dhand C. Reduced Graphene Oxide-Polydopamine-Gold Nanoparticles: A Ternary Nanocomposite-Based Electrochemical Genosensor for Rapid and Early Mycobacterium tuberculosis Detection. BIOSENSORS 2023; 13:342. [PMID: 36979554 PMCID: PMC10046000 DOI: 10.3390/bios13030342] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/01/2023] [Accepted: 03/02/2023] [Indexed: 07/20/2023]
Abstract
Tuberculosis (TB) has been a devastating human illness for thousands of years. According to the WHO, around 10.4 million new cases of tuberculosis are identified every year, with 1.8 million deaths. To reduce these statistics and the mortality rate, an early and accurate TB diagnosis is essential. This study offers a highly sensitive and selective electrochemical biosensor for Mycobacterium tuberculosis (MTB) detection based on a ternary nanocomposite of reduced graphene oxide, polydopamine, and gold nanoparticles (rGO-PDA-AuNP). Avidin-biotin coupling was used to bind the MTB probe DNA onto the rGO-PDA-AuNP modified glassy carbon electrode (ssDNA/avidin/rGO-PDA-AuNP). UV-Visible, Raman, XRD, and TEM were used to evaluate the structural and morphological characteristics of rGO-PDA-AuNP. Furthermore, DNA immobilization is validated using FESEM and FT-IR techniques. The modified electrodes were electrochemically analyzed using cyclic voltammetry (CV) and linear sweep voltammetry (LSV), and the results indicate that the produced electrode can detect target DNA up to 0.1 × 10-7 mM with 2.12 × 10-3 mA µM-1 sensitivity and a response time of 5 s. The constructed genosensor displayed high sensitivity and stability, and it also provides a unique strategy for diagnosing MTB at an early stage. Furthermore, our rGO-PDA-AuNP/GCE-based electrochemical platform has broad potential for creating biosensor systems for detecting various infectious pathogens and therapeutically significant biomarkers.
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Affiliation(s)
- Mansi Chaturvedi
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- School of Biomolecular Engineering & Biotechnology UTD RGPV, Bhopal 462033, India
| | - Monika Patel
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Neha Bisht
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
| | - Shruti
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Maumita Das Mukherjee
- Amity Institute of Applied Sciences, Amity University Uttar Pradesh, Delhi 201303, India
| | - Archana Tiwari
- School of Biomolecular Engineering & Biotechnology UTD RGPV, Bhopal 462033, India
| | - D. P. Mondal
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Avanish Kumar Srivastava
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Neeraj Dwivedi
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Chetna Dhand
- CSIR-Advanced Materials and Processes Research Institute, Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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Borse S, Murthy Z, Kailasa SK. Synthesis of red emissive copper nanoclusters with 2-mercaptopyrimidine for promoting selective and sensitive fluorescent sensing of creatinine as a kidney disease biomarker in biofluids. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Janah IM, Roto R, Konishi K, Siswanta D. EDTA-capped silver nanoparticles as a probe for highly sensitive and selective colorimetric sensing of creatinine and optimization using response surface methodology-Box Behnken Design. TALANTA OPEN 2022. [DOI: 10.1016/j.talo.2022.100170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Francis S, Sunny N, Rajith L. Picomolar Selective Fluorescent Detection of Creatinine Using Porphyrin in Aqueous Medium. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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5
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Ullah H, Ahmad R, Khan AA, Lee NE, Lee J, Shah AU, Khan M, Ali T, Ali G, Khan Q, Cho SO. Anodic SnO 2 Nanoporous Structure Decorated with Cu 2O Nanoparticles for Sensitive Detection of Creatinine: Experimental and DFT Study. ACS OMEGA 2022; 7:42377-42395. [PMID: 36440133 PMCID: PMC9685770 DOI: 10.1021/acsomega.2c05471] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 10/28/2022] [Indexed: 06/01/2023]
Abstract
Advanced anodic SnO2 nanoporous structures decorated with Cu2O nanoparticles (NPs) were employed for creatinine detection. Anodization of electropolished Sn sheets in 0.3 M aqueous oxalic acid electrolyte under continuous stirring produced complete open top, crack-free, and smooth SnO2 nanoporous structures. Structural analyses confirm the high purity of rutile SnO2 with successful functionalization of Cu2O NPs. Morphological studies revealed the formation of self-organized and highly-ordered SnO2 nanopores, homogeneously decorated with Cu2O NPs. The average diameter of nanopores is ∼35 nm, while the average Cu2O particle size is ∼23 nm. Density functional theory results showed that SnO2@Cu2O hybrid nanostructures are energetically favorable for creatinine detection. The hybrid nanostructure electrode exhibited an ultra-high sensitivity of around 24343 μA mM-1 cm-2 with an extremely lower detection limit of ∼0.0023 μM, a fast response time (less than 2 s), and wide linear detection ranges of 2.5-45 μM and 100 μM to 15 mM toward creatinine. This is ascribed to the creation of highly active surface sites as a result of Cu2O NP functionalization, SnO2 band gap diminution, and the formation of heterojunction and Cu(1)/Cu(ll)-creatinine complexes through secondary amines which occur in the creatinine structure. The real-time analysis of creatinine in blood serum by the fabricated electrode evinces the practicability and accuracy of the biosensor with reference to the commercially existing creatinine sensor. The proposed biosensor demonstrated excellent stability, reproducibility, and selectivity, which reflects that the SnO2@Cu2O nanostructure is a promising candidate for the non-enzymatic detection of creatinine.
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Affiliation(s)
- Habib Ullah
- Department
of Chemistry, University of Malakand, Dir Lower, Khyber Pakhtunkhwa (KPK), Chakdara18800, Pakistan
- Department
of Nuclear and Quantum Engineering (NQe), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro,
Yuseong-gu, Daejeon34141, South Korea
| | - Rashid Ahmad
- Department
of Chemistry, University of Malakand, Dir Lower, Khyber Pakhtunkhwa (KPK), Chakdara18800, Pakistan
| | - Adnan Ali Khan
- Department
of Chemistry, University of Malakand, Dir Lower, Khyber Pakhtunkhwa (KPK), Chakdara18800, Pakistan
| | - Na Eun Lee
- Department
of Nuclear and Quantum Engineering (NQe), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro,
Yuseong-gu, Daejeon34141, South Korea
| | - Jaewoo Lee
- Department
of Nuclear and Quantum Engineering (NQe), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro,
Yuseong-gu, Daejeon34141, South Korea
| | - Atta Ullah Shah
- National
Institute of Lasers and Optronics College, Pakistan Institute of Engineering and Applied Sciences (PIEAS), Nilore, Islamabad45650, Pakistan
| | - Maaz Khan
- Nanomaterials
Research Group, PD, PINSTECH, Nilore, Islamabad45650, Pakistan
| | - Tahir Ali
- Microstructural
Studies Group, PD, PINSTECH, Nilore, Islamabad45650, Pakistan
| | - Ghafar Ali
- Nanomaterials
Research Group, PD, PINSTECH, Nilore, Islamabad45650, Pakistan
| | - Qasim Khan
- Department
of Mechanical and Mechatronics Engineering, University of Waterloo, 200 University Ave. West, Waterloo, OntarioN2L 3G1, Canada
| | - Sung Oh Cho
- Department
of Nuclear and Quantum Engineering (NQe), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro,
Yuseong-gu, Daejeon34141, South Korea
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Li Y, Luo L, Nie M, Davenport A, Li Y, Li B, Choy KL. A graphene nanoplatelet-polydopamine molecularly imprinted biosensor for Ultratrace creatinine detection. Biosens Bioelectron 2022; 216:114638. [DOI: 10.1016/j.bios.2022.114638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 07/27/2022] [Accepted: 08/11/2022] [Indexed: 01/18/2023]
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Ravi PV, Subramaniyam V, Saravanakumar N, Pichumani M. Alkaline n-gqds fluorescent probe for the ultrasensitive detection of creatinine. Methods Appl Fluoresc 2022; 10. [PMID: 35901801 DOI: 10.1088/2050-6120/ac8527] [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: 05/18/2022] [Accepted: 07/28/2022] [Indexed: 11/12/2022]
Abstract
Creatinine (Crn) is an important excretory product of the human body. Medical laboratory technology has improved over years and brought many advancements in clinical diagnostics equipment, and testing techniques and made the tests more efficient. Yet, the quantitative analysis of Crn is still carried out by the classical Jaffe's reaction (using Picric acid (PA) with NaOH) method. Since PA is hazardous to human health, alternative solutions such as; nanoparticles and surface-modified nanoparticles can be used. Exploring the optoelectronic properties of carbon-based quantum dots for biomolecule sensing is of current interest among researchers. Nitrogen functionalized graphene quantum dots (Alk-NGQDs) measured featured Crn easier and reduced the time taken for the test carried out in laboratories. The synthesized Alk-NGQDs optical, structural, morphological properties, surface and compositions are studied through XPS, HRTEM, XRD, FTIR, and spectroscopic techniques. Alk-NGQDs at alkaline conditions (pH 9.5) form a stable complex with Crn through intermolecular charge transfer (ICT). The fluorescence titration method is used to sense Crn in commercial Crn samples and human blood serum. To understand the efficacy of sensing creatinine using Alk-NGQDs, working concentration, fluorescence quantum yield, the limit of detection, and quenching constant are calculated using the Stern-Volmer plot. The emission property of Alk-NGQDs is aimed to bring an alternative to the traditional colorimetric Jaffe's reaction.
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Affiliation(s)
- Pavithra Verthikere Ravi
- Department of Nanoscience and Technology, Sri Ramakrishna Engineering College, Vattamalaipalayam, Coimbatore, Tamilnadu, 641022, INDIA
| | - Vinodhini Subramaniyam
- Department of Nanoscience and Technology, Sri Ramakrishna Engineering College, Vattamalaipalayam, Coimbatore, Tamilnadu, 641022, INDIA
| | - Neha Saravanakumar
- Department of Biotechnology, PSG College of Technology, Peelamedu, Coimbatore, Tamilnadu, 641004, INDIA
| | - Moorthi Pichumani
- Department of Nanoscience and Technology, Sri Ramakrishna Engineering College, Vattamalaipalayam, NGGO colony post,, Coimbatore, Tamilnadu, 641022, INDIA
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High-efficiency enzyme-free catalyzed hairpin assembly-mediated homogeneous SERS and naked-eyes dual-mode assay for ultrasensitive and portable detection of mycotoxin. Biosens Bioelectron 2022; 214:114526. [DOI: 10.1016/j.bios.2022.114526] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/20/2022] [Accepted: 06/28/2022] [Indexed: 11/17/2022]
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9
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Conventional and nanotechnology based sensors for creatinine (A kidney biomarker) detection: A consolidated review. Anal Biochem 2022; 645:114622. [PMID: 35217006 DOI: 10.1016/j.ab.2022.114622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 01/24/2022] [Accepted: 02/19/2022] [Indexed: 12/13/2022]
Abstract
There is an increasing demand for developing the novel methods for the detection of clinically important metabolites. One among those metabolites is creatinine (2-amino-1-methyl-5H-imidazol-4-one), a waste product, produced by the catabolism of phosphocreatine from muscle and protein metabolism, finally excreted by the kidney. It is very important to measure the creatinine level in human blood and urine because it reflects the muscular and thyroid functions. Importantly, the elevated level of creatinine is considered to be as impairment of the kidney. There are numerous methods existed to measure the concentration of creatinine in blood and urine. In this review, we consolidated the different conventional methods (chromatography, spectroscopy, immune sensor and enzyme-based detections) and their shortcomings. On other hand, we also dissertated the various nanomaterials (chemiluminescence, voltametric, amperometric, conductometric, potentiometric, impedimetric and nano polymer) based creatinine detection methods and their advantages. Finally, we also focussed on the point-of-care detection methods of creatinine determination. This review can conclude the low cost, more efficient and reliable new sensors have been developed with upgraded nanotechnology for the detection of creatinine.
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Spectral image contrast-based flow digital nanoplasmon-metry for ultrasensitive antibody detection. J Nanobiotechnology 2022; 20:6. [PMID: 34983543 PMCID: PMC8724237 DOI: 10.1186/s12951-021-01188-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 12/06/2021] [Indexed: 12/19/2022] Open
Abstract
Background Gold nanoparticles (AuNPs) have been widely used in local surface plasmon resonance (LSPR) immunoassays for biomolecule sensing, which is primarily based on two conventional methods: absorption spectra analysis and colorimetry. The low figure of merit (FoM) of the LSPR and high-concentration AuNP requirement restrict their limit of detection (LOD), which is approximately ng to μg mL−1 in antibody detection if there is no other signal or analyte amplification. Improvements in sensitivity have been slow in recent for a long time, and pushing the boundary of the current LOD is a great challenge of current LSPR immunoassays in biosensing. Results In this work, we developed spectral image contrast-based flow digital nanoplasmon-metry (Flow DiNM) to push the LOD boundary. Comparing the scattering image brightness of AuNPs in two neighboring wavelength bands near the LSPR peak, the peak shift signal is strongly amplified and quickly detected. Introducing digital analysis, the Flow DiNM provides an ultrahigh signal-to-noise ratio and has a lower sample volume requirement. Compared to the conventional analog LSPR immunoassay, Flow DiNM for anti-BSA detection in pure samples has an LOD as low as 1 pg mL−1 within only a 15-min detection time and 500 μL sample volume. Antibody assays against spike proteins of SARS-CoV-2 in artificial saliva that contained various proteins were also conducted to validate the detection of Flow DiNM in complicated samples. Flow DiNM shows significant discrimination in detection with an LOD of 10 pg mL−1 and a broad dynamic detection range of five orders of magnitude. Conclusion Together with the quick readout time and simple operation, this work clearly demonstrated the high sensitivity and selectivity of the developed Flow DiNM in rapid antibody detection. Spectral image contrast and digital analysis further provide a new generation of LSPR immunoassay with AuNPs. Graphical Abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12951-021-01188-6.
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Singh P, Mandal S, Roy D, Chanda N. Facile Detection of Blood Creatinine Using Binary Copper-Iron Oxide and rGO-Based Nanocomposite on 3D Printed Ag-Electrode under POC Settings. ACS Biomater Sci Eng 2021; 7:3446-3458. [PMID: 34142794 DOI: 10.1021/acsbiomaterials.1c00484] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Metal nanoparticles have been helpful in creatinine sensing technology under point-of-care (POC) settings because of their excellent electrocatalyst properties. However, the behavior of monometallic nanoparticles as electrochemical creatinine sensors showed limitations concerning the current density in the mA/cm2 range and wide detection window, which are essential parameters for the development of a sensor for POC applications. Herein, we report a new sensor, a reduced graphene oxide stabilized binary copper-iron oxide-based nanocomposite on a 3D printed Ag-electrode (Fe-Cu-rGO@Ag) for detecting a wide range of blood creatinine (0.01 to 1000 μM; detection limit 10 nM) in an electrochemical chip with a current density ranging between 0.185 and 1.371 mA/cm2 and sensitivity limit of 1.1 μA μM-1 cm-2 at physiological pH. Interference studies confirmed that the sensor exhibited no interference from analytes like uric acid, urea, dopamine, and glutathione. The sensor response was also evaluated to detect creatinine in human blood samples with high accuracy in less than a minute. The sensing mechanism suggested that the synergistic effects of Cu and iron oxide nanoparticles played an essential role in the efficient sensing where Fe atoms act as active sites for creatinine oxidation through the secondary amine nitrogen, and Cu nanoparticles acted as an excellent electron-transfer mediator through rGO. The rapid sensor fabrication procedure, mA/cm2 peak current density, a wide range of detection limits, low contact resistance including high selectivity, excellent linear response (R2 = 0.991), and reusability ensured the application of advanced electrochemical sensor toward the POC creatinine detection.
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Affiliation(s)
- Preeti Singh
- Materials Processing and Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Road, City Center, Durgapur, West Bengal 713209, India.,Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad, Uttar Pradesh 201002, India
| | - Soumen Mandal
- Materials Processing and Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Road, City Center, Durgapur, West Bengal 713209, India.,Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad, Uttar Pradesh 201002, India
| | - Debolina Roy
- Materials Processing and Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Road, City Center, Durgapur, West Bengal 713209, India.,Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad, Uttar Pradesh 201002, India
| | - Nripen Chanda
- Materials Processing and Microsystems Laboratory, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Road, City Center, Durgapur, West Bengal 713209, India.,Academy of Scientific and Innovative Research (AcSIR), AcSIR Headquarters CSIR-HRDC Campus, Postal Staff College Area, Sector 19, Kamla Nehru Nagar, Ghaziabad, Uttar Pradesh 201002, India
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Lertvachirapaiboon C, Baba A, Shinbo K, Kato K. Colorimetric Detection Based on Localized Surface Plasmon Resonance for Determination of Chemicals in Urine. ANAL SCI 2021; 37:929-940. [PMID: 33132235 DOI: 10.2116/analsci.20r005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Colorimetric sensors based on localized surface plasmon resonance (LSPR) have attracted much attention for biosensor and chemical sensor applications. The unique optical effect of LSPR is based on the nanostructure of noble metals (e.g., Au, Ag, and Al) and the refractive index of the environment surrounding these metal nanomaterials. When either the structure or the environment of these nanomaterials is changed, their optical properties change and can be observed by spectroscopic techniques or the naked eye. Colorimetric-probe-based LSPR provides a simple, rapid, real-time, nonlabelled, sensitive biochemical detection and can be used for point-of-care testing as well as rapid screening for the diagnosis of various diseases. Gold and silver nanoparticles, which are the two most widely used plasmonic nanomaterials, demonstrate strong and sensitive LSPR signals that can be used for the selective detection of several chemicals in biochemical compounds provided by the human body (e.g., urine and blood). This information can be used for the diagnosis of several human health conditions. This paper provides information regarding colorimetric probes based on LSPR for the detection of three major chemicals in human urine: creatinine, albumin, and glucose. In addition, the mechanisms of selective detection and quantitative analysis of these chemicals using metal nanoparticles are discussed along with colorimetric-detection-based LSPR for many other specific chemicals that can be detected in urine, such as catecholamine neurotransmitters, thymine, and various medicines. Furthermore, issues regarding the use of portable platforms for health monitoring with colorimetric detection based on LSPR are discussed.
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Affiliation(s)
| | - Akira Baba
- Graduate School of Science and Technology, Niigata University
| | - Kazunari Shinbo
- Graduate School of Science and Technology, Niigata University
| | - Keizo Kato
- Graduate School of Science and Technology, Niigata University
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Narimani R, Esmaeili M, Rasta SH, Khosroshahi HT, Mobed A. Trend in creatinine determining methods: Conventional methods to molecular‐based methods. ANALYTICAL SCIENCE ADVANCES 2021; 2:308-325. [DOI: 10.1002/ansa.202000074] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 09/28/2020] [Indexed: 10/07/2023]
Abstract
AbstractRenal failure (RF) disease is ranked as one of the most prevalent diseases with severe morbidity and mortality. Early diagnosis of RF leads to subsequent control of disease to reduce the poor prognosis. The level of sera creatinine is considered as a significant biomarker for kidney biofunction, which is routinely detected by the Jaffe reaction. The normal range for creatinine in the blood may be 0.84‐1.21 mg/dL. Low accuracy, insufficient sensitivity, explosive and toxicity of picric acid, and pseudo‐interaction with nonspecific elements such as ammonium ions in the Jaffe method lead to the development of various techniques for precise detection of creatinine such as spectroscopic, electrochemical, and chromatography approaches and sensors based on enzymes, molecular imprinted polymer and nanoparticles, etc. Based on previously established results, they are trying to construct sensors with high accuracy, optimum sensitivity, acceptable linear/calibration range, and limit of detection, which are small in size and applicable by the patient him/herself (point‐of‐care testing). By comparing the results of research, a molecularly imprinted electrochemiluminescence‐based sensor with linear/calibration range of 5‐1 mMconcentration of creatinine and the detection limit of 0.5 nM has the best detectable resolution with 2 million measurable points. In this paper, we will review the recently developed methods for measuring creatinine concentration and renal biofunction.
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Affiliation(s)
- Ramin Narimani
- Medical Bioengineering Department, School of Advanced Medical Sciences Tabriz University of Medical Sciences Tabriz Iran
- Molecular Medicine Research Center Tabriz University of Medical Sciences Tabriz Iran
| | - Mahdad Esmaeili
- Medical Bioengineering Department, School of Advanced Medical Sciences Tabriz University of Medical Sciences Tabriz Iran
| | - Seyed Hossein Rasta
- Medical Bioengineering Department, School of Advanced Medical Sciences Tabriz University of Medical Sciences Tabriz Iran
- Department of Medical Physics, School of Medicine Tabriz University of Medical Sciences Tabriz Iran
- Department of Biomedical Physics, School of Medical Sciences University of Aberdeen Aberdeen UK
| | - Hamid Tayebi Khosroshahi
- Center for Chronic Kidney Disease Tabriz University of Medical Sciences Tabriz Iran
- Department of Internal Medicine, Imam Reza Hospital Tabriz University of Medical Sciences Tabriz Iran
- Biotechnology Research Center Tabriz University of Medical Sciences Tabriz Iran
| | - Ahmad Mobed
- Aging Research Institute Tabriz University of Medical Sciences Tabriz Iran
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Roshni V, Gujar V, Muntjeeb S, Doshi P, Ottoor D. Novel and Reliable Chemosensor Based on C. dots from Sunflower seeds for the Distinct Detection of Picric Acid and Bilirubin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 250:119354. [PMID: 33387803 DOI: 10.1016/j.saa.2020.119354] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 11/24/2020] [Accepted: 12/16/2020] [Indexed: 06/12/2023]
Abstract
Based on the green chemistry approach, highly fluorescent and novel carbon dots (C. dots) were synthesized from naturally available and cost effective sunflower seeds. The obtained C. dots showed a fluorescence quantum yield (Q.Y) of 9.5% with high water dispersibility and photostability. The obtained C. dots were employed for the detection of picric acid (PA) and bilirubin. A good linear relationship in the range of 20-60 nM was obtained for PA with a limit of detection (LOD) as low as 3.86 nM. C. dots were successfully incorporated in the agarose matrix which enabled them to be employed as a solid platform for the in situ detection of PA. The fluorescence of C. dots was selectively quenched by bilirubin compared to other biomolecules with a LOD of 2.03 μM. Use of C. dots as potential candidate for bilirubin detection was verified by real sample analysis. Further, the separation of C. dots was performed using column chromatography and the optical properties of the two different fractions obtained were studied. The blue fraction of C. dots was found to exhibit a higher fluorescence Q.Y and excitation independent emission, with an improved detection of PA and bilirubin.
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Affiliation(s)
- V Roshni
- Department of Chemistry, Savitribai Phule Pune University, Pune, India
| | - Varsha Gujar
- Department of Chemistry, Savitribai Phule Pune University, Pune, India
| | - Syed Muntjeeb
- Department of Chemistry, Savitribai Phule Pune University, Pune, India
| | - Pooja Doshi
- Department of Chemistry, Savitribai Phule Pune University, Pune, India
| | - Divya Ottoor
- Department of Chemistry, Savitribai Phule Pune University, Pune, India.
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15
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Sadeghi S, Hosseinpour-Zaryabi M. A highly selective colorimetric assay for the determination of creatinine in biological samples using gluconic acid capped silver nanoparticles after ionic liquid based dispersive liquid phase microextraction. CAN J CHEM 2021. [DOI: 10.1139/cjc-2020-0271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A dispersive liquid-phase microextraction method combined with UV–vis spectrophotometry was utilized to highly selective determination of creatinine in human serum and urine samples. To overcome the interferences in complex matrices, creatinine reacted with 1,4-naphthoquinone-2- potassium sulfonate reagent to produce a red coloured product that could be extracted into a small volume of 1-hexyl-3-methylimidazolium hexafluorophosphate ([HMIM]PF6) ionic liquid solvent. To increase the sensitivity of the assay, gluconic acid capped silver nanoparticles (Ag NPs) were used. On addition of Ag NPs to the red coloured extracted product, the solution turned to blue accompanied with a red shift in wavelength around 620 nm that could be detected by the naked eye. The effective variables on the determination of creatinine such as concentration of the reagent, amount of formic and hydrochloric acids, type and volume of the extractant, and concentration of Ag NPs were investigated. Under the optimal conditions, the calibration plot was bimodal with linear ranges from 0.1 to 1.5 µg mL−1 and 1.5 to 105 µg mL−1 creatinine with a limit of detection 0.1 µg mL−1. The relative standard deviation for five measurements at 35 µg mL−1 concentration level was 3.8%. The newly developed assay was used for the determination of creatinine in human serum and urine specimens with satisfactory results.
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Affiliation(s)
- Susan Sadeghi
- Department of Chemistry, Faculty of Science, University of Birjand, P.O. Box 97175/615, Birjand, Iran
- Department of Chemistry, Faculty of Science, University of Birjand, P.O. Box 97175/615, Birjand, Iran
| | - Mohadeseh Hosseinpour-Zaryabi
- Department of Chemistry, Faculty of Science, University of Birjand, P.O. Box 97175/615, Birjand, Iran
- Department of Chemistry, Faculty of Science, University of Birjand, P.O. Box 97175/615, Birjand, Iran
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16
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An optimal method for measuring biomarkers: colorimetric optical image processing for determination of creatinine concentration using silver nanoparticles. 3 Biotech 2020; 10:416. [PMID: 32944491 DOI: 10.1007/s13205-020-02405-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 08/20/2020] [Indexed: 12/31/2022] Open
Abstract
Creatinine concentration is one of the important elements in the body for diagnosing kidney failure, muscular dystrophy, glomerular filtration rate, and diabetic nephropathy. The disadvantages of recently introduced analytical techniques, such as Jaffe's, spectroscopic, colorimetric, and chromatographic methods, for quantifying creatinine in urine involve toxicity, the high cost, interference, and the complexity of the design. In this paper, we designed and fabricated a new colorimetric assay for the measurement of creatinine concentration based on color differentiation generated by mixing different concentrations of creatinine with synthesized silver nanoparticles (AgNPs) coated with polyvinylpyrrolidone (PVP) and polyvinyl alcohol (PVA). An isolated box is designed for the uniform optical imaging of solutions, the captured images are processed in real time, and the quantitative and qualitative results are displayed. For colorimetric processing, a variety of color systems, such as RGB (red, green, blue), CMYK (cyan, magenta, yellow, black), and grayscale (Gr), have been evaluated, indicating that the combination of green (G) and grayscale (Gr) provides the best results for this experiment. TEM analysis and spectroscopy were used to confirm the results of the experiment. Linear range and limit of detection (LOD) were obtained for AgNPs/PVP 0.03-1 mg/dl and 0.024 mg/dl and for AgNPs/PVA 0.01-1 mg/dl and 0.014 mg/dl, respectively, indicating the superiority of our proposed method over recently introduced methods. In this experiment, the detectable resolution with AgNPs/PVP is 40, while it is 71 with AgNPs/PVA. The designed system is simple to use, small in size, and cost-effective for measuring creatinine concentration, while it can be used as a portable system.
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17
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Lertvachirapaiboon C, Baba A, Shinbo K, Kato K. Colorimetric Determination of Urinary Creatinine in Proteinuria Patients by Chromaticity Analysis of Gold Nanoparticle Colloidal Solutions. ANAL SCI 2020; 36:1495-1500. [PMID: 32801288 DOI: 10.2116/analsci.20p235] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Several scientific works have reported the use of colloidal gold nanoparticle (AuNP) solutions as a colorimetric probe for creatinine detection. Nonetheless, urinary protein is one of the primary chemical components that can interfere with creatinine detection. In this work, we developed a colorimetric probe using AuNP colloidal solution to detect creatinine in the urine of proteinuria patients. A microchamber array was prepared to minimize the sample volume and was used to simultaneously perform spectral recording and image acquisition of several samples. The analyzed volume for each sample was 15 μL. A camera coupled with liquid crystal tunable filters was used to record hyperspectral images, and the signals were then converted to localized surface plasmon resonance (LSPR) spectra. Color changes in the AuNP colloidal solution in the presence of varying concentrations of creatinine and human serum albumin (HSA) indicated different features and could be detected by a hyperspectral imaging technique. The relevant concentration ranges of creatinine and HSA were 5 - 200 and 50 - 250 mg dL-1, respectively. Furthermore, a smartphone camera was adopted to record a color mapping image of the AuNP colloidal solution in the presence of creatinine and HSA at these concentration ranges. Contour plots of red and blue chromaticity levels from color mappings were produced, and 2D fitting equations obtained from these contour plots were adopted to determine the creatinine concentration in the urine of proteinuria patients. This practical technique can be used for screening and can be further developed as a household biosensing device for urinalysis.
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Affiliation(s)
| | - Akira Baba
- Graduate School of Science and Technology, Niigata University
| | - Kazunari Shinbo
- Graduate School of Science and Technology, Niigata University
| | - Keizo Kato
- Graduate School of Science and Technology, Niigata University
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18
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Sodium gluconate capped silver nanoparticles as a highly sensitive and selective colorimetric probe for the naked eye sensing of creatinine in human serum and urine. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104601] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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19
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Nair RV, Radhakrishna Pillai Suma P, Jayasree RS. A dual signal on-off fluorescent nanosensor for the simultaneous detection of copper and creatinine. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 109:110569. [PMID: 32228993 DOI: 10.1016/j.msec.2019.110569] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 12/04/2019] [Accepted: 12/17/2019] [Indexed: 12/14/2022]
Abstract
The transition of conventional medicine to personalized medicine has paved the way for sensing new biomolecules. Consequently, this field attracted wide interest due to its capability to provide information on point of care basis. Multi-analyte sensors that emerged recently can perform quick and affordable analysis with minimum quantity of blood samples compared to traditional sensing of individual analytes. The present study focuses on the development of a quantum dot (Qd) based nanosensor for the simultaneous detection of copper and creatinine; two biologically relevant molecules. The sensor was designed by forming a complex of Qd with 1-Ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC) and picric acid through carboxylic bond formation of Qd-EDC with picric acid. The dual independent emissions of the Qd-EDC complex was used for the simultaneous detection of creatinine and copper by a turn on/turn off method and was successfully demonstrated with a sensitivity of nanomolar to millimolar, and micromolar to millimolar range respectively. The multianalyte sensor thus developed has quick response and works well under normal conditions of temperature and pH. It is also shown to work in cellular environment and blood serum. A simple image based detection of creatinine using the sensor strips has also been attempted by means of a mobile camera and validated with human blood samples.
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Affiliation(s)
- Resmi V Nair
- Division of Biophotonics and Imaging, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Poojappura, Trivandrum, Kerala, India
| | - Parvathy Radhakrishna Pillai Suma
- Division of Biophotonics and Imaging, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Poojappura, Trivandrum, Kerala, India
| | - Ramapurath S Jayasree
- Division of Biophotonics and Imaging, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Poojappura, Trivandrum, Kerala, India.
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20
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Feng S, Shi R, Xu P, Bhamore JR, Bal J, Baek SH, Park CY, Park JP, Park TJ. Colorimetric detection of creatinine using its specific binding peptides and gold nanoparticles. NEW J CHEM 2020. [DOI: 10.1039/d0nj03860a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A new selective detection method was developed for creatinine by combining gold nanoparticles (GNPs) and peptide probes which were screened and selected using phage-display technology.
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Affiliation(s)
- Shuaihui Feng
- Department of Chemistry
- Research Institute of Chem-Bio Diagnostic Technology
- Chung-Ang University
- Seoul 06974
- Republic of Korea
| | - Rongjia Shi
- Department of Chemistry
- Research Institute of Chem-Bio Diagnostic Technology
- Chung-Ang University
- Seoul 06974
- Republic of Korea
| | - Ping Xu
- Department of Chemistry
- Research Institute of Chem-Bio Diagnostic Technology
- Chung-Ang University
- Seoul 06974
- Republic of Korea
| | - Jigna R. Bhamore
- Department of Chemistry
- Research Institute of Chem-Bio Diagnostic Technology
- Chung-Ang University
- Seoul 06974
- Republic of Korea
| | - Jyotiranjan Bal
- Department of Chemistry
- Research Institute of Chem-Bio Diagnostic Technology
- Chung-Ang University
- Seoul 06974
- Republic of Korea
| | - Seung Hoon Baek
- Department of Chemistry
- Research Institute of Chem-Bio Diagnostic Technology
- Chung-Ang University
- Seoul 06974
- Republic of Korea
| | - Chan Yeong Park
- Department of Chemistry
- Research Institute of Chem-Bio Diagnostic Technology
- Chung-Ang University
- Seoul 06974
- Republic of Korea
| | - Jong Pil Park
- Department of Food Science and Biotechnology
- School of Food Science and Technology
- Chung-Ang University
- Anseong 17546
- Republic of Korea
| | - Tae Jung Park
- Department of Chemistry
- Research Institute of Chem-Bio Diagnostic Technology
- Chung-Ang University
- Seoul 06974
- Republic of Korea
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21
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Falahati M, Attar F, Sharifi M, Saboury AA, Salihi A, Aziz FM, Kostova I, Burda C, Priecel P, Lopez-Sanchez JA, Laurent S, Hooshmand N, El-Sayed MA. Gold nanomaterials as key suppliers in biological and chemical sensing, catalysis, and medicine. Biochim Biophys Acta Gen Subj 2019; 1864:129435. [PMID: 31526869 DOI: 10.1016/j.bbagen.2019.129435] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Revised: 09/11/2019] [Accepted: 09/11/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND Gold nanoparticles (AuNPs) with unique physicochemical properties have received a great deal of interest in the field of biological, chemical and biomedical implementations. Despite the widespread use of AuNPs in chemical and biological sensing, catalysis, imaging and diagnosis, and more recently in therapy, no comprehensive summary has been provided to explain how AuNPs could aid in developing improved sensing and catalysts systems as well as medical settings. SCOPE OF REVIEW The chemistry of Au-based nanosystems was followed by reviewing different applications of Au nanomaterials in biological and chemical sensing, catalysis, imaging and diagnosis by a number of approaches, and finally synergistic combination therapy of different cancers. Afterwards, the clinical impacts of AuNPs, future application of AuNPs, and opportunities and challenges of AuNPs application were also discussed. MAJOR CONCLUSIONS AuNPs show exclusive colloidal stability and are considered as ideal candidates for colorimetric detection, catalysis, imaging, and photothermal transducers, because their physicochemical properties can be tuned by adjusting their structural dimensions achieved by the different manufacturing methods. GENERAL SIGNIFICANCE This review provides some details about using AuNPs in sensing and catalysis applications as well as promising theranostic nanoplatforms for cancer imaging and diagnosis, and sensitive, non-invasive, and synergistic methods for cancer treatment in an almost comprehensive manner.
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Affiliation(s)
- Mojtaba Falahati
- Department of Nanotechnology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran.
| | - Farnoosh Attar
- Department of Biology, Faculty of Food Industry & Agriculture, Standard Research Institute (SRI), Karaj, Iran
| | - Majid Sharifi
- Department of Nanotechnology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran; Department of Animal Science, Faculty of Agriculture, University of Tabriz, Tabriz, Iran
| | - Ali Akbar Saboury
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | - Abbas Salihi
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq; Department of Medical Analysis, Faculty of Science, Tishk International University, Erbil, Iraq
| | - Falah Mohammad Aziz
- Department of Biology, College of Science, Salahaddin University-Erbil, Kurdistan Region, Iraq
| | - Irena Kostova
- Department of Chemistry, Faculty of Pharmacy, Medical University, 2 Dunav St., Sofia 1000, Bulgaria
| | - Clemens Burda
- Department of Chemistry, Case Western Reserve University, 10900 Euclid Avenue, Cleveland, OH 44106, United States
| | - Peter Priecel
- Stephenson Institute for Renewable Energy, Department of Chemistry, University of Liverpool, Crown Street, L69 7ZD Liverpool, United Kingdom
| | - Jose A Lopez-Sanchez
- Stephenson Institute for Renewable Energy, Department of Chemistry, University of Liverpool, Crown Street, L69 7ZD Liverpool, United Kingdom
| | - Sophie Laurent
- General, Organic and Biomedical Chemistry, NMR and Molecular Imaging Laboratory, University of Mons, Avenue Maistriau, 19, B-7000 Mons, Belgium; Center for Microscopy and Molecular Imaging (CMMI), Rue A. Bolland, 8 B-6041 Gosselies, Belgium
| | - Nasrin Hooshmand
- Laser Dynamics Laboratory, School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, United States
| | - Mostafa A El-Sayed
- Laser Dynamics Laboratory, School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332, United States
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22
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Kaur R, Kaur N, Kuwar A, Singh N. Colorimetric sensor for detection of trace level Al(III) in aqueous medium based on organic-inorganic nanohybrid. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2019.03.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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23
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Modern creatinine (Bio)sensing: Challenges of point-of-care platforms. Biosens Bioelectron 2019; 130:110-124. [PMID: 30731344 DOI: 10.1016/j.bios.2019.01.048] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Revised: 01/11/2019] [Accepted: 01/20/2019] [Indexed: 01/01/2023]
Abstract
The importance of knowing creatinine levels in the human body is related to the possible association with renal, muscular and thyroid dysfunction. Thus, the accurate detection of creatinine may indirectly provide information surrounding those functional processes, therefore contributing to the management of the health status of the individual and early diagnosis of acute diseases. The questions at this point are: to what extent is creatinine information clinically relevant?; and do modern creatinine (bio)sensing strategies fulfil the real needs of healthcare applications? The present review addresses these questions by means of a deep analysis of the creatinine sensors reported in the literature over the last five years. There is a wide range of techniques for detecting creatinine, most of them based on optical readouts (20 of the 33 papers collected in this review). However, the use of electrochemical techniques (13 of the 33 papers) is recently emerging in alignment with the search for a definitive and trustworthy creatinine detection at the point-of-care level. In this sense, biosensors (7 of the 33 papers) are being established as the most promising alternative over the years. While creatinine levels in the blood seem to provide better information about patient status, none of the reported sensors display adequate selectivity in such a complex matrix. In contrast, the analysis of other types of biological samples (e.g., saliva and urine) seems to be more viable in terms of simplicity, cross-selectivity and (bio)fouling, besides the fact that its extraction does not disturb individual's well-being. Consequently, simple tests may likely be used for the initial check of the individual in routine analysis, and then, more accurate blood detection of creatinine could be necessary to provide a more genuine diagnosis and/or support the corresponding decision-making by the physician. Herein, we provide a critical discussion of the advantages of current methods of (bio)sensing of creatinine, as well as an overview of the drawbacks that impede their definitive point-of-care establishment.
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24
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Chang CC, Lee CH, Wu TH, Chen CP, Chen CY, Lin CW. Reversion of gold nanoparticle aggregates for the detection of Cu 2+ and its application in immunoassays. Analyst 2018; 142:4684-4690. [PMID: 29119996 DOI: 10.1039/c7an01511a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
A high concentration of copper is a hazardous element to organisms and human health. Although various strategies have been reported for the sensitive detection of copper, a facile and rapid detection of aqueous copper has seldom been addressed to date. Here, we present an easy and accessible colorimetric method to detect Cu2+ using the redispersion of cysteamine-modified gold nanoparticles (CA-AuNPs). Initially, CA caused the aggregation of AuNPs due to the electrostatic interaction and aggregated AuNPs can be regenerated in basic medium. The subsequent addition of Cu2+ to the CA-AuNP dispersion could effectively trigger the aggregation of CA-AuNPs, resulting from the coordination reactivity between the deprotonated CA and Cu2+. This strategy resulted in a detection limit (LOD) of 1.52 μM in drinking water, which is below the U.S. Environmental Protection Agency permissible limit (20 μM). To demonstrate the broad application of CA-AuNPs, we further applied this method to plasmonic immunoassays based on the competitive interaction of Cu2+ between CA-AuNPs and enzymes. The LOD of the Down syndrome biomarker hyperglycosylated human chorionic gonadotropin (H-hCG) was 0.125 mIU mL-1, which is better than that of commercial immunoassays. Importantly, the determination of H-hCG in serum indicates its applicability for the measurement of real samples. Our assay agrees well with the current immunoassay systems and thus it can easily be expanded to a more common sensing platform for different types of biotargets by changing the corresponding antibodies.
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Affiliation(s)
- Chia-Chen Chang
- Institute of Biomedical Engineering, National Taiwan University, Taipei 106, Taiwan.
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25
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26
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Sivasankaran U, Jos TC, Girish Kumar K. Selective recognition of creatinine - Development of a colorimetric sensor. Anal Biochem 2017; 544:1-6. [PMID: 29248500 DOI: 10.1016/j.ab.2017.12.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2017] [Revised: 12/07/2017] [Accepted: 12/12/2017] [Indexed: 10/18/2022]
Abstract
The present report describes a simple and cost effective protocol for colourimetric determination of creatinine (CR), L-cysteine stabilized copper nanoparticles (L-cys-CuNPs) exhibited selective and sensitive interaction with CR. Utilizing this interaction, a colourimetric sensor has been developed based on the reduction in LSPR intensity as monitored by a UV-visible spectrophotometer. The developed sensor exhibited a linear dynamic range of 5.33 × 10-6 to 3.33 × 10-7 M. Proposed sensor is simple and cost - effective compared to methods based on noble metal nanoparticles and the sensitivity to determine CR was as low as 4.54 × 10-10 M. The sensor was successfully applied for quantification of CR in artificial serum and urine samples. Sensor developed in this work has a high potential for rapid and on-site determination of CR in physiological and clinical samples.
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Affiliation(s)
- Unni Sivasankaran
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi-22, Kerala, India
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27
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Du J, Ge H, Gu Q, Du H, Fan J, Peng X. Gold nanoparticle-based nano-probe for the colorimetric sensing of Cr 3+ and Cr 2O 72- by the coordination strategy. NANOSCALE 2017; 9:19139-19144. [PMID: 29184950 DOI: 10.1039/c7nr07761k] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In this work, an N-T/gold nanoparticle system was assembled for the convenient and colorimetric identification of Cr based on its coordination chemistry with the thymine derivative (N-T). In addition to the visible colorimetric changes for the qualitative Cr identification, the A630 nm/520 nm values changed linearly with Cr concentration over a range of 0.5-2.5 μM and the detection limits reached 0.03 μM and 0.07 μM for Cr3+ and Cr2O72-, respectively, both of which satisfied the Cr water quality standards of the U.S. EPA, WHO and China. Furthermore, a more convenient method was developed for quantitative determination of Cr concentrations in practical samples based on the Eyedropper function in Microsoft's PowerPoint software, wherein the RGB (red, green and blue) value of the sample could be easily screened in the colorimetric card for a more accurate result with good recovery, avoiding complicated instrumentation.
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Affiliation(s)
- Jianjun Du
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, No. 2 Linggong Road, Dalian, 116024, P.R. China.
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28
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Wang Y, Shu W, Han B, Zhao X, Wu L, Liu C, Ma Z, Zhu B, Du B. A simple, cyanovinylene-based, ratiometric, colorimetric and fluorescent chemodosimeter for the specific and sensitive detection of HClO in living cells. NEW J CHEM 2017. [DOI: 10.1039/c7nj01654a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple, cyanovinylene-based, ratiometric, colorimetric and fluorescent chemodosimeter was developed to sensitively and selectively monitor HClO in living cells.
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Affiliation(s)
- Yawei Wang
- School of Resources and Environment
- University of Jinan
- Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- P. R. China
| | - Wei Shu
- School of Resources and Environment
- University of Jinan
- Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- P. R. China
| | - Bingjun Han
- School of Resources and Environment
- University of Jinan
- Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- P. R. China
| | - Xiangwei Zhao
- School of Resources and Environment
- University of Jinan
- Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- P. R. China
| | - Liu Wu
- School of Resources and Environment
- University of Jinan
- Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- P. R. China
| | - Caiyun Liu
- School of Resources and Environment
- University of Jinan
- Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- P. R. China
| | - Zhenmin Ma
- School of Resources and Environment
- University of Jinan
- Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- P. R. China
| | - Baocun Zhu
- School of Resources and Environment
- University of Jinan
- Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- P. R. China
| | - Bin Du
- School of Resources and Environment
- University of Jinan
- Shandong Provincial Engineering Technology Research Center for Ecological Carbon Sink and Capture Utilization
- Jinan 250022
- P. R. China
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