1
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Li R, Yu L, Li J, Li W, Feng Y, Wang J, Xu X. Sensitivity enhancement of bimodal waveguide interferometric sensor based on regional mode engineering. OPTICS EXPRESS 2024; 32:10274-10283. [PMID: 38571243 DOI: 10.1364/oe.519015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 02/22/2024] [Indexed: 04/05/2024]
Abstract
In this paper, we propose a novel bimodal waveguide based on regional mode engineering (BiMW-RME). Leveraging the orthogonality of the guided modes, the form of patterned SiO2 cladding on the bimodal waveguide can reduce the interaction between the reference mode and the analyte, thereby significantly improving sensitivity. The proposed BiMW-RME sensor experimentally demonstrates a phase sensitivity of 2766 π rad/RIU/cm and a detection limit of 2.44×1-5 RIU. The sensitivity is 2.7 times higher than that of the conventional BiMW sensor on the same SOI platform. The proposed design strategy demonstrates a significant improvement in the sensor's sensitivity, presenting a novel approach to enhancing common-path interferometric sensor performance.
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2
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Yamin D, Uskoković V, Wakil AM, Goni MD, Shamsuddin SH, Mustafa FH, Alfouzan WA, Alissa M, Alshengeti A, Almaghrabi RH, Fares MAA, Garout M, Al Kaabi NA, Alshehri AA, Ali HM, Rabaan AA, Aldubisi FA, Yean CY, Yusof NY. Current and Future Technologies for the Detection of Antibiotic-Resistant Bacteria. Diagnostics (Basel) 2023; 13:3246. [PMID: 37892067 PMCID: PMC10606640 DOI: 10.3390/diagnostics13203246] [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: 09/30/2023] [Revised: 10/14/2023] [Accepted: 10/15/2023] [Indexed: 10/29/2023] Open
Abstract
Antibiotic resistance is a global public health concern, posing a significant threat to the effectiveness of antibiotics in treating bacterial infections. The accurate and timely detection of antibiotic-resistant bacteria is crucial for implementing appropriate treatment strategies and preventing the spread of resistant strains. This manuscript provides an overview of the current and emerging technologies used for the detection of antibiotic-resistant bacteria. We discuss traditional culture-based methods, molecular techniques, and innovative approaches, highlighting their advantages, limitations, and potential future applications. By understanding the strengths and limitations of these technologies, researchers and healthcare professionals can make informed decisions in combating antibiotic resistance and improving patient outcomes.
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Affiliation(s)
- Dina Yamin
- Al-Karak Public Hospital, Karak 61210, Jordan;
- Institute for Research in Molecular Medicine, University Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, University Malaysia Kelantan, Kota Bharu 16100, Kelantan, Malaysia;
| | - Vuk Uskoković
- TardigradeNano LLC., Irvine, CA 92604, USA;
- Department of Mechanical Engineering, San Diego State University, San Diego, CA 92182, USA
| | - Abubakar Muhammad Wakil
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, University Malaysia Kelantan, Kota Bharu 16100, Kelantan, Malaysia;
- Department of Veterinary Physiology and Biochemistry, Faculty of Veterinary Medicine, University of Maiduguri, Maiduguri 600104, Borno, Nigeria
| | - Mohammed Dauda Goni
- Public Health and Zoonoses Research Group, Faculty of Veterinary Medicine, University Malaysia Kelantan, Pengkalan Chepa 16100, Kelantan, Malaysia;
| | - Shazana Hilda Shamsuddin
- Department of Pathology, School of Medical Sciences, University Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia;
| | - Fatin Hamimi Mustafa
- Department of Electronic & Computer Engineering, Faculty of Electrical Engineering, University Teknologi Malaysia, Johor Bharu 81310, Johor, Malaysia;
| | - Wadha A. Alfouzan
- Department of Microbiology, Faculty of Medicine, Kuwait University, Safat 13110, Kuwait;
- Microbiology Unit, Department of Laboratories, Farwania Hospital, Farwania 85000, Kuwait
| | - Mohammed Alissa
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia;
| | - Amer Alshengeti
- Department of Pediatrics, College of Medicine, Taibah University, Al-Madinah 41491, Saudi Arabia;
- Department of Infection Prevention and Control, Prince Mohammad Bin Abdulaziz Hospital, National Guard Health Affairs, Al-Madinah 41491, Saudi Arabia
| | - Rana H. Almaghrabi
- Pediatric Department, Prince Sultan Medical Military City, Riyadh 12233, Saudi Arabia;
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia;
| | - Mona A. Al Fares
- Department of Internal Medicine, King Abdulaziz University Hospital, Jeddah 21589, Saudi Arabia;
| | - Mohammed Garout
- Department of Community Medicine and Health Care for Pilgrims, Faculty of Medicine, Umm Al-Qura University, Makkah 21955, Saudi Arabia;
| | - Nawal A. Al Kaabi
- College of Medicine and Health Science, Khalifa University, Abu Dhabi 127788, United Arab Emirates;
- Sheikh Khalifa Medical City, Abu Dhabi Health Services Company (SEHA), Abu Dhabi 51900, United Arab Emirates
| | - Ahmad A. Alshehri
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Najran University, Najran 61441, Saudi Arabia;
| | - Hamza M. Ali
- Department of Medical Laboratories Technology, College of Applied Medical Sciences, Taibah University, Madinah 41411, Saudi Arabia;
| | - Ali A. Rabaan
- College of Medicine, Alfaisal University, Riyadh 11533, Saudi Arabia;
- Molecular Diagnostic Laboratory, Johns Hopkins Aramco Healthcare, Dhahran 31311, Saudi Arabia
- Department of Public Health and Nutrition, The University of Haripur, Haripur 22610, Pakistan
| | | | - Chan Yean Yean
- Department of Medical Microbiology & Parasitology, School of Medical Sciences, University Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia
| | - Nik Yusnoraini Yusof
- Institute for Research in Molecular Medicine, University Sains Malaysia, Health Campus, Kubang Kerian 16150, Kelantan, Malaysia
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3
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Mostufa S, Rezaei B, Yari P, Xu K, Gómez-Pastora J, Sun J, Shi Z, Wu K. Giant Magnetoresistance Based Biosensors for Cancer Screening and Detection. ACS APPLIED BIO MATERIALS 2023; 6:4042-4059. [PMID: 37725557 DOI: 10.1021/acsabm.3c00592] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Early-stage screening of cancer is critical in preventing its development and therefore can improve the prognosis of the disease. One accurate and effective method of cancer screening is using high sensitivity biosensors to detect optically, chemically, or magnetically labeled cancer biomarkers. Among a wide range of biosensors, giant magnetoresistance (GMR) based devices offer high sensitivity, low background noise, robustness, and low cost. With state-of-the-art micro- and nanofabrication techniques, tens to hundreds of independently working GMR biosensors can be integrated into fingernail-sized chips for the simultaneous detection of multiple cancer biomarkers (i.e., multiplexed assay). Meanwhile, the miniaturization of GMR chips makes them able to be integrated into point-of-care (POC) devices. In this review, we first introduce three types of GMR biosensors in terms of their structures and physics, followed by a discussion on fabrication techniques for those sensors. In order to achieve target cancer biomarker detection, the GMR biosensor surface needs to be subjected to biological decoration. Thus, commonly used methods for surface functionalization are also reviewed. The robustness of GMR-based biosensors in cancer detection has been demonstrated by multiple research groups worldwide and we review some representative examples. At the end of this review, the challenges and future development prospects of GMR biosensor platforms are commented on. With all their benefits and opportunities, it can be foreseen that GMR biosensor platforms will transition from a promising candidate to a robust product for cancer screening in the near future.
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Affiliation(s)
- Shahriar Mostufa
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Bahareh Rezaei
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Parsa Yari
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Kanglin Xu
- Department of Computer Science, Texas Tech University, Lubbock, Texas 79409, United States
| | - Jenifer Gómez-Pastora
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Jiajia Sun
- State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, China
| | - Zongqian Shi
- State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, Shaanxi Province 710049, China
| | - Kai Wu
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
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4
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Calvo-Lozano O, Hernández-López L, Gomez L, Carné-Sánchez A, von Baeckmann C, Lechuga LM, Maspoch D. Integration of Metal-Organic Polyhedra onto a Nanophotonic Sensor for Real-Time Detection of Nitrogenous Organic Pollutants in Water. ACS APPLIED MATERIALS & INTERFACES 2023; 15:39523-39529. [PMID: 37566722 PMCID: PMC10450679 DOI: 10.1021/acsami.3c07213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023]
Abstract
The grave health and environmental consequences of water pollution demand new tools, including new sensing technologies, for the immediate detection of contaminants in situ. Herein, we report the integration of metal-organic cages or polyhedra (MOCs/MOPs) within a nanophotonic sensor for the rapid, direct, and real-time detection of small (<500 Da) pollutant molecules in water. The sensor, a bimodal waveguide silicon interferometer incorporating Rh(II)-based MOPs as specific chemical receptors, does not require sample pretreatment and enables minimal expenditure of time and reagents. We validated our sensor for the detection of two common pollutants: the industrial corrosion inhibitor 1,2,3-benzotriazole (BTA) and the systemic insecticide imidacloprid (IMD). The sensor offers a fast time-to-result response (15 min), high sensitivity, and high accuracy. The limit of detection (LOD) in tap water for BTA is 0.068 μg/mL and for IMD, 0.107 μg/mL, both of which are below the corresponding toxicity thresholds defined by the European Chemicals Agency (ECHA). By combining innovative chemical molecular receptors such as MOPs with state-of-the-art photonic sensing technologies, our research opens the path to implement competitive sensor devices for in situ environmental monitoring.
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Affiliation(s)
- Olalla Calvo-Lozano
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC, CIBER-BNN,
and Barcelona Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Spain
| | - Laura Hernández-López
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and Barcelona
Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Spain
- Departament
de Química, Facultat de Ciències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Leyre Gomez
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and Barcelona
Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Spain
| | - Arnau Carné-Sánchez
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and Barcelona
Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Spain
- Departament
de Química, Facultat de Ciències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Cornelia von Baeckmann
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and Barcelona
Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Spain
- Departament
de Química, Facultat de Ciències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Laura M. Lechuga
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC, CIBER-BNN,
and Barcelona Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Spain
| | - Daniel Maspoch
- Catalan
Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and Barcelona
Institute of Science and Technology, Campus UAB, 08193 Bellaterra, Barcelona, Spain
- Departament
de Química, Facultat de Ciències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
- ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain
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Gajos K, Orzech A, Sanocka K, Petrou P, Budkowski A. Covalent and Non-covalent In-Flow Biofunctionalization for Capture Assays on Silicon Chips: White Light Reflectance Spectroscopy Immunosensor Combined with TOF-SIMS Resolves Immobilization Stability and Binding Stoichiometry. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023. [PMID: 37437262 PMCID: PMC10373486 DOI: 10.1021/acs.langmuir.3c01181] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
Immunosensors that combine planar transducers with microfluidics to achieve in-flow biofunctionalization and assay were analyzed here regarding surface binding capacity, immobilization stability, binding stoichiometry, and amount and orientation of surface-bound IgG antibodies. Two IgG immobilization schemes, by physical adsorption [3-aminopropyltriethoxysilane (APTES)] and glutaraldehyde covalent coupling (APTES/GA), followed by blocking with bovine serum albumin (BSA) and streptavidin (STR) capture, are monitored with white light reflectance spectroscopy (WLRS) sensors as thickness dΓ of the adlayer formed on top of aminosilanized silicon chips. Multi-protein surface composition (IgG, BSA, and STR) is determined by time of flight secondary ion mass spectrometry (TOF-SIMS) combined with principal component analysis (applying barycentric coordinates to the score plot). In-flow immobilization shows at least 1.7 times higher surface binding capacity than static adsorption. In contrast to physical immobilization, which is unstable during blocking with BSA, chemisorbed antibodies desorb (reducing dΓ) only when the bilayer is formed. Also, TOF-SIMS data show that IgG molecules are partially exchanged with BSA on APTES but not on APTES/GA modified chips. This is confirmed by the WLRS data that show different binding stoichiometry between the two immobilization schemes for the direct binding IgG/anti-IgG assay. The identical binding stoichiometry for STR capture results from partial replacement with BSA of vertically aligned antibodies on APTES, with fraction of exposed Fab domains higher than on APTES/GA.
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Affiliation(s)
- Katarzyna Gajos
- M. Smoluchowski Institute of Physics, Jagiellonian University, Łojasiewicza 11, Kraków 30-348, Poland
| | - Alicja Orzech
- M. Smoluchowski Institute of Physics, Jagiellonian University, Łojasiewicza 11, Kraków 30-348, Poland
| | - Karolina Sanocka
- M. Smoluchowski Institute of Physics, Jagiellonian University, Łojasiewicza 11, Kraków 30-348, Poland
| | - Panagiota Petrou
- Institute of Nuclear & Radiological Sciences & Technology, Energy & Safety, NCSR Demokritos, P. Grigoriou & Neapoleos Street, Aghia Paraskevi, Athens 15341, Greece
| | - Andrzej Budkowski
- M. Smoluchowski Institute of Physics, Jagiellonian University, Łojasiewicza 11, Kraków 30-348, Poland
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6
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Patel SK, Surve J, Parmar J, Ahmed K, Bui FM, Al-Zahrani FA. Recent Advances in Biosensors for Detection of COVID-19 and Other Viruses. IEEE Rev Biomed Eng 2023; 16:22-37. [PMID: 36197867 PMCID: PMC10009816 DOI: 10.1109/rbme.2022.3212038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 06/28/2022] [Accepted: 09/23/2022] [Indexed: 11/06/2022]
Abstract
This century has introduced very deadly, dangerous, and infectious diseases to humankind such as the influenza virus, Ebola virus, Zika virus, and the most infectious SARS-CoV-2 commonly known as COVID-19 and have caused epidemics and pandemics across the globe. For some of these diseases, proper medications, and vaccinations are missing and the early detection of these viruses will be critical to saving the patients. And even the vaccines are available for COVID-19, the new variants of COVID-19 such as Delta, and Omicron are spreading at large. The available virus detection techniques take a long time, are costly, and complex and some of them generates false negative or false positive that might cost patients their lives. The biosensor technique is one of the best qualified to address this difficult challenge. In this systematic review, we have summarized recent advancements in biosensor-based detection of these pandemic viruses including COVID-19. Biosensors are emerging as efficient and economical analytical diagnostic instruments for early-stage illness detection. They are highly suitable for applications related to healthcare, wearable electronics, safety, environment, military, and agriculture. We strongly believe that these insights will aid in the study and development of a new generation of adaptable virus biosensors for fellow researchers.
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Affiliation(s)
- Shobhit K. Patel
- Department of Computer EngineeringMarwadi UniversityRajkot360003India
| | - Jaymit Surve
- Department of Electrical EngineeringMarwadi UniversityRajkot360003India
| | - Juveriya Parmar
- Department of Mechanical and Materials EngineeringUniversity of Nebraska - LincolnNebraska68588USA
- Department of Electronics and Communication EngineeringMarwadi UniversityRajkot360003India
| | - Kawsar Ahmed
- Department of Electrical and Computer EngineeringUniversity of SaskatchewanSaskatoonSKS79 5A9Canada
- Group of Bio-PhotomatiX, Department of Information and Communication TechnologyMawlana Bhashani Science and Technology UniversitySantoshTangail1902Bangladesh
| | - Francis M. Bui
- Department of Electrical and Computer EngineeringUniversity of SaskatchewanSaskatoonSKS79 5A9Canada
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Barani M, Fathizadeh H, Arkaban H, Kalantar-Neyestanaki D, Akbarizadeh MR, Turki Jalil A, Akhavan-Sigari R. Recent Advances in Nanotechnology for the Management of Klebsiella pneumoniae-Related Infections. BIOSENSORS 2022; 12:1155. [PMID: 36551122 PMCID: PMC9776335 DOI: 10.3390/bios12121155] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/04/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
Klebsiella pneumoniae is an important human pathogen that causes diseases such as urinary tract infections, pneumonia, bloodstream infections, bacteremia, and sepsis. The rise of multidrug-resistant strains has severely limited the available treatments for K. pneumoniae infections. On the other hand, K. pneumoniae activity (and related infections) urgently requires improved management strategies. A growing number of medical applications are using nanotechnology, which uses materials with atomic or molecular dimensions, to diagnose, eliminate, or reduce the activity of different infections. In this review, we start with the traditional treatment and detection method for K. pneumoniae and then concentrate on selected studies (2015-2022) that investigated the application of nanoparticles separately and in combination with other techniques against K. pneumoniae.
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Affiliation(s)
- Mahmood Barani
- Student Research Committee, Kerman University of Medical Sciences, Kerman 7616913555, Iran
- Medical Mycology and Bacteriology Research Center, Kerman University of Medical Sciences, Kerman 7616913555, Iran
| | - Hadis Fathizadeh
- Department of Laboratory Sciences, Sirjan School of Medical Sciences, Sirjan 7616916338, Iran
| | - Hassan Arkaban
- Department of Chemistry, University of Isfahan, Isfahan 8174673441, Iran
| | - Davood Kalantar-Neyestanaki
- Medical Mycology and Bacteriology Research Center, Kerman University of Medical Sciences, Kerman 7616913555, Iran
- Department of Medical Microbiology (Bacteriology and Virology), Afzalipour Faculty of Medicine, Kerman University of Medical Sciences, Kerman 7616913555, Iran
| | - Majid Reza Akbarizadeh
- Department of Pediatric, Amir Al Momenin Hospital, Zabol University of Medical Sciences, Zabol 9861663335, Iran
| | - Abduladheem Turki Jalil
- Medical Laboratories Techniques Department, Al-Mustaqbal University College, Babylon, Hilla 51001, Iraq
| | - Reza Akhavan-Sigari
- Department of Neurosurgery, University Medical Center Tuebingen, 72076 Tuebingen, Germany
- Department of Health Care Management and Clinical Research, Collegium Humanum Warsaw Management University, 00014 Warsaw, Poland
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8
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Sensitive and Portable Detection of Bacteria Using Exonuclease-III (Exo-III) Assisted Signal Amplification and Personal Glucose Meters. Mol Biotechnol 2022; 65:934-941. [DOI: 10.1007/s12033-022-00597-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 10/29/2022] [Indexed: 11/13/2022]
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9
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Liu M, Sun Z, Guo R. Selective and Sensitive Detection of Pseudomonas aeruginosa Based on Aminoguanidine-Functionalized Carbon Dots Synthesized by One-Step Hydrothermal Method. FOOD ANAL METHOD 2022. [DOI: 10.1007/s12161-022-02424-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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10
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Calvo-Lozano O, García-Aparicio P, Raduly LZ, Estévez MC, Berindan-Neagoe I, Ferracin M, Lechuga LM. One-Step and Real-Time Detection of microRNA-21 in Human Samples for Lung Cancer Biosensing Diagnosis. Anal Chem 2022; 94:14659-14665. [PMID: 36219565 PMCID: PMC9607850 DOI: 10.1021/acs.analchem.2c02895] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
The rapid diagnosis
of cancer, especially in its early
stages,
is crucial for on-time medical treatment and for increasing the patient
survival rate. Lung cancer shows the highest mortality rate and the
lowest 5-year survival rate due to the late diagnosis in advanced
cancer stages. Providing rapid and reliable diagnostic tools is a
top priority to address the problem of a delayed cancer diagnosis.
We introduce a nanophotonic biosensor for the direct and real-time
detection in human plasma of the microRNA-21-5p biomarker related
to lung cancer. The biosensor employs a silicon photonic bimodal interferometric
waveguide that provides a highly sensitive detection in a label-free
format. We demonstrate a very competitive detectability for direct
microRNA-21-5p biomarker assays in human plasma samples (estimated
LOD: 25 pM). The diagnostic capability of our biosensor was validated
by analyzing 40 clinical samples from healthy individuals and lung
cancer patients, previously analyzed by reverse-transcription quantitative
polymerase chain reaction (qRT-PCR). We could successfully identify
and quantify the levels of microRNA in a one-step assay, without the
need for DNA extraction or amplification steps. The study confirmed
the significance of implementing this biosensor technique compared
to the benchmarking molecular analysis and showed excellent agreement
with previous results employing the traditional qRT-PCR. This work
opens new possibilities for the true implementation of point-of-care
biosensors that enable fast, simple, and efficient early diagnosis
of cancer diseases.
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Affiliation(s)
- Olalla Calvo-Lozano
- Nanobiosensors and Bioanalytical Applications Group (NanoB2A), Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, CIBER-BBN and BIST, Campus UAB, 08193 Bellaterra, Barcelona, Spain
| | - Pablo García-Aparicio
- Nanobiosensors and Bioanalytical Applications Group (NanoB2A), Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, CIBER-BBN and BIST, Campus UAB, 08193 Bellaterra, Barcelona, Spain
| | - Lajos-Zsolt Raduly
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, University of Medicine and Pharmacy "Iuliu Hatieganu", Gheorghe Marinescu 23, 400337 Cluj-Napoca, Romania
| | - Maria Carmen Estévez
- Nanobiosensors and Bioanalytical Applications Group (NanoB2A), Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, CIBER-BBN and BIST, Campus UAB, 08193 Bellaterra, Barcelona, Spain
| | - Ioana Berindan-Neagoe
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, University of Medicine and Pharmacy "Iuliu Hatieganu", Gheorghe Marinescu 23, 400337 Cluj-Napoca, Romania
| | - Manuela Ferracin
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via S. Giacomo 14, 40126 Bologna, Italy
| | - Laura M Lechuga
- Nanobiosensors and Bioanalytical Applications Group (NanoB2A), Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, CIBER-BBN and BIST, Campus UAB, 08193 Bellaterra, Barcelona, Spain
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11
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Abdolrazzaghi M, Nayyeri V, Martin F. Techniques to Improve the Performance of Planar Microwave Sensors: A Review and Recent Developments. SENSORS (BASEL, SWITZERLAND) 2022; 22:s22186946. [PMID: 36146297 PMCID: PMC9504794 DOI: 10.3390/s22186946] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/08/2022] [Accepted: 09/08/2022] [Indexed: 06/13/2023]
Abstract
Planar microwave sensors have become increasing developed in recent decades, especially in material characterization (solid/liquid) as they provide regions highly sensitive to the surrounding medium. However, when it comes to deciphering the content of practical biological analytes or chemical components inside a host medium, even higher sensitivities are required due to their minute concentrations. This review article presents a comprehensive outlook on various methodologies to enhance sensitivity (e.g., coupling resonators, channel embedding, analyte immobilization, resonator pattern recognition, use of phase variation, using coupled line section, and intermodulation products), resolution (active sensors, differential measurements), and robustness (using machine learning) of arbitrary sensors of interest. Some of the most practical approaches are presented with prototype examples, and the main applications of incorporating such procedures are reported. Sensors with which the proposed techniques are implemented exhibit higher performance for high-end and real-life use.
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Affiliation(s)
- Mohammad Abdolrazzaghi
- Electrical and Computer Engineering Department, University of Toronto, 10 King’s College Circle, Toronto, ON M5S3G4, Canada
| | - Vahid Nayyeri
- School of Advanced Technologies, Iran University of Science and Technology, Tehran 1684613114, Iran
| | - Ferran Martin
- Centro de Investigación en Metamateriales para la Innovación en Tecnologías Electrónica y de Comunicaciones (CIMITEC), Departament d’Enginyeria Electrònica, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
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12
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Basu D, Hossain SM, Das J. Surface modified chitosan-silica nanocomposite porous thin film based multi-parametric optical glucose sensor. APPLIED PHYSICS. A, MATERIALS SCIENCE & PROCESSING 2022; 128:688. [PMID: 35874929 PMCID: PMC9288652 DOI: 10.1007/s00339-022-05803-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 06/21/2022] [Indexed: 06/15/2023]
Abstract
In this work, a multi-parametric optical sensor based on chitosan-silica nanocomposite (CSNC) porous thin film has been developed for effective detection of glucose in pathological range. The CSNC films were surface functionalized with Glucose Oxidase enzyme via Glutaraldehyde crosslinking chains for better attachment of enzyme molecules on thin film surface. FESEM and FTIR were performed for morphological and compositional characterisation of the composite films. Five interlinked optical parameters, i.e., transmittance (T), reflectance (R), internal scattering (IS), surface scattering (SS) and output power (OP) were measured simultaneously using image processing environment for cost efficiency of the system. Effect of surface functionalization on individual parameter response was studied. It was observed that without surface functionalization only two parameters change significantly, while surface functionalization enables all five parameters. For lower and higher glucose concentration (< 17 mM and > 17 mM), IS and SS were found to be maximum sensitive among the five parameters, respectively. Maximum sensitivity of 1.2 mM-1 in IS and 1 mM-1 in SS were observed for surface functionalized samples. The sensor showed good sensitivity, selectivity and reproducibility in the dynamic range of 3-30 mM and LOD of the sensor was found to be 0.76 mM. CSNC sensors were found suitable for single-time use and as mass production is possible with little amount of composite solution (250 sensors with just 10-ml composite solution), the sensor fabrication method is very much cost efficient. Image processing-based multi-parametric sensing is a novel field itself and detailed study of surface modified CSNC glucose sensors utilizing such sensing system is a unique work having potential to significantly contribute in the field of multi-parametric label-free optical biosensor research.
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Affiliation(s)
- Deeparati Basu
- Departmemt of Physics, Jadavpur University, Kolkata, India
| | | | - Jayoti Das
- Departmemt of Physics, Jadavpur University, Kolkata, India
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13
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Chen W, Lai Q, Zhang Y, Liu Z. Recent Advances in Aptasensors For Rapid and Sensitive Detection of Staphylococcus Aureus. Front Bioeng Biotechnol 2022; 10:889431. [PMID: 35677308 PMCID: PMC9169243 DOI: 10.3389/fbioe.2022.889431] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 04/12/2022] [Indexed: 12/30/2022] Open
Abstract
The infection of Staphylococcus aureus (S.aureus) and the spread of drug-resistant bacteria pose a serious threat to global public health. Therefore, timely, rapid and accurate detection of S. aureus is of great significance for food safety, environmental monitoring, clinical diagnosis and treatment, and prevention of drug-resistant bacteria dissemination. Traditional S. aureus detection methods such as culture identification, ELISA, PCR, MALDI-TOF-MS and sequencing, etc., have good sensitivity and specificity, but they are complex to operate, requiring professionals and expensive and complex machines. Therefore, it is still challenging to develop a fast, simple, low-cost, specific and sensitive S. aureus detection method. Recent studies have demonstrated that fast, specific, low-cost, low sample volume, automated, and portable aptasensors have been widely used for S. aureus detection and have been proposed as the most attractive alternatives to their traditional detection methods. In this review, recent advances of aptasensors based on different transducer (optical and electrochemical) for S. aureus detection have been discussed in details. Furthermore, the applications of aptasensors in point-of-care testing (POCT) have also been discussed. More and more aptasensors are combined with nanomaterials as efficient transducers and amplifiers, which appears to be the development trend in aptasensors. Finally, some significant challenges for the development and application of aptasensors are outlined.
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Affiliation(s)
- Wei Chen
- Department of Clinical Laboratory, Xiangya Hospital of Central South University, Changsha, China
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory for Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha, China
- Department of Microbiology, School of Basic Medical Science, Central South University, Changsha, China
- *Correspondence: Wei Chen, ; Zhengchun Liu,
| | - Qingteng Lai
- Hunan Key Laboratory for Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha, China
| | - Yanke Zhang
- Hunan Key Laboratory for Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha, China
| | - Zhengchun Liu
- Hunan Key Laboratory for Super Microstructure and Ultrafast Process, School of Physics and Electronics, Central South University, Changsha, China
- Department of Microbiology, School of Basic Medical Science, Central South University, Changsha, China
- *Correspondence: Wei Chen, ; Zhengchun Liu,
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Péter B, Farkas E, Kurunczi S, Szittner Z, Bősze S, Ramsden JJ, Szekacs I, Horvath R. Review of Label-Free Monitoring of Bacteria: From Challenging Practical Applications to Basic Research Perspectives. BIOSENSORS 2022; 12:bios12040188. [PMID: 35448248 PMCID: PMC9026780 DOI: 10.3390/bios12040188] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/07/2022] [Accepted: 03/11/2022] [Indexed: 05/10/2023]
Abstract
Novel biosensors already provide a fast way to detect the adhesion of whole bacteria (or parts of them), biofilm formation, and the effect of antibiotics. Moreover, the detection sensitivities of recent sensor technologies are large enough to investigate molecular-scale biological processes. Usually, these measurements can be performed in real time without using labeling. Despite these excellent capabilities summarized in the present work, the application of novel, label-free sensor technologies in basic biological research is still rare; the literature is dominated by heuristic work, mostly monitoring the presence and amount of a given analyte. The aims of this review are (i) to give an overview of the present status of label-free biosensors in bacteria monitoring, and (ii) to summarize potential novel directions with biological relevancies to initiate future development. Optical, mechanical, and electrical sensing technologies are all discussed with their detailed capabilities in bacteria monitoring. In order to review potential future applications of the outlined techniques in bacteria research, we summarize the most important kinetic processes relevant to the adhesion and survival of bacterial cells. These processes are potential targets of kinetic investigations employing modern label-free technologies in order to reveal new fundamental aspects. Resistance to antibacterials and to other antimicrobial agents, the most important biological mechanisms in bacterial adhesion and strategies to control adhesion, as well as bacteria-mammalian host cell interactions are all discussed with key relevancies to the future development and applications of biosensors.
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Affiliation(s)
- Beatrix Péter
- Nanobiosensorics Laboratory, Centre for Energy Research, Institute of Technical Physics and Materials Science, 1121 Budapest, Hungary; (E.F.); (S.K.); (Z.S.); (I.S.)
- Correspondence: (B.P.); (R.H.)
| | - Eniko Farkas
- Nanobiosensorics Laboratory, Centre for Energy Research, Institute of Technical Physics and Materials Science, 1121 Budapest, Hungary; (E.F.); (S.K.); (Z.S.); (I.S.)
| | - Sandor Kurunczi
- Nanobiosensorics Laboratory, Centre for Energy Research, Institute of Technical Physics and Materials Science, 1121 Budapest, Hungary; (E.F.); (S.K.); (Z.S.); (I.S.)
| | - Zoltán Szittner
- Nanobiosensorics Laboratory, Centre for Energy Research, Institute of Technical Physics and Materials Science, 1121 Budapest, Hungary; (E.F.); (S.K.); (Z.S.); (I.S.)
| | - Szilvia Bősze
- MTA-ELTE Research Group of Peptide Chemistry, Eötvös Loránd Research Network (ELKH), Institute of Chemistry, Eötvös Loránd University, 1120 Budapest, Hungary;
- National Public Health Center, 1097 Budapest, Hungary
| | - Jeremy J. Ramsden
- Clore Laboratory, Department of Biomedical Research, University of Buckingham, Buckingham MK18 1AD, UK;
| | - Inna Szekacs
- Nanobiosensorics Laboratory, Centre for Energy Research, Institute of Technical Physics and Materials Science, 1121 Budapest, Hungary; (E.F.); (S.K.); (Z.S.); (I.S.)
| | - Robert Horvath
- Nanobiosensorics Laboratory, Centre for Energy Research, Institute of Technical Physics and Materials Science, 1121 Budapest, Hungary; (E.F.); (S.K.); (Z.S.); (I.S.)
- Correspondence: (B.P.); (R.H.)
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15
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Fernandez-Cuesta I, Llobera A, Ramos-Payán M. Optofluidic systems enabling detection in real samples: A review. Anal Chim Acta 2022; 1192:339307. [DOI: 10.1016/j.aca.2021.339307] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 12/20/2022]
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16
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Recent Developments in Phenotypic and Molecular Diagnostic Methods for Antimicrobial Resistance Detection in Staphylococcus aureus: A Narrative Review. Diagnostics (Basel) 2022; 12:diagnostics12010208. [PMID: 35054375 PMCID: PMC8774325 DOI: 10.3390/diagnostics12010208] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/12/2022] [Accepted: 01/13/2022] [Indexed: 11/17/2022] Open
Abstract
Staphylococcus aureus is an opportunistic pathogen responsible for a wide range of infections in humans, such as skin and soft tissue infections, pneumonia, food poisoning or sepsis. Historically, S. aureus was able to rapidly adapt to anti-staphylococcal antibiotics and become resistant to several classes of antibiotics. Today, methicillin-resistant S. aureus (MRSA) is a multidrug-resistant pathogen and is one of the most common bacteria responsible for hospital-acquired infections and outbreaks, in community settings as well. The rapid and accurate diagnosis of antimicrobial resistance in S. aureus is crucial to the early initiation of directed antibiotic therapy and to improve clinical outcomes for patients. In this narrative review, I provide an overview of recent phenotypic and molecular diagnostic methods for antimicrobial resistance detection in S. aureus, with a particular focus on MRSA detection. I consider methods for resistance detection in both clinical samples and isolated S. aureus cultures, along with a brief discussion of the advantages and the challenges of implementing such methods in routine diagnostics.
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17
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Li Y, Hu Y, Chen T, Chen Y, Li Y, Zhou H, Yang D. Advanced detection and sensing strategies of Pseudomonas aeruginosa and quorum sensing biomarkers: A review. Talanta 2022; 240:123210. [PMID: 35026633 DOI: 10.1016/j.talanta.2022.123210] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 12/31/2021] [Accepted: 01/04/2022] [Indexed: 11/25/2022]
Abstract
Pseudomonas aeruginosa (P. aeruginosa), a ubiquitous opportunistic pathogen, can frequently cause chronic obstructive pulmonary disease, cystic fibrosis and chronic wounds, and potentially lead to severe morbidity and mortality. Timely and adequate treatment of nosocomial infection in clinic depends on rapid detection and accurate identification of P. aeruginosa and its early-stage antibiotic susceptibility test. Traditional methods like plating culture, polymerase chain reaction, and enzyme-linked immune sorbent assays are time-consuming and require expensive equipment, limiting the rapid diagnostic application. Advanced sensing strategy capable of fast, sensitive and simple detection with low cost has therefore become highly desired in point of care testing (POCT) of nosocomial pathogens. Within this review, advanced detection and sensing strategies for P. aeruginosa cells along with associated quorum sensing (QS) molecules over the last ten years are discussed and summarized. Firstly, the principles of four commonly used sensing strategies including localized surface plasmon resonance (LSPR), surface-enhanced Raman spectroscopy (SERS), electrochemistry, and fluorescence are briefly overviewed. Then, the advancement of the above sensing techniques for P. aeruginosa cells and its QS biomarkers detection are introduced, respectively. In addition, the integration with novel compatible platforms towards clinical application is highlighted in each section. Finally, the current achievements are summarized along with proposed challenges and prospects.
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Affiliation(s)
- Yingying Li
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo, Zhejiang Province, 315211, People's Republic of China; Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang Province, 315211, People's Republic of China
| | - Yang Hu
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang Province, 315211, People's Republic of China
| | - Tao Chen
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang Province, 315211, People's Republic of China
| | - Yan Chen
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang Province, 315211, People's Republic of China
| | - Yi Li
- Graduate School of Biomedical Engineering and ARC Centre of Excellence in Nanoscale Biophotonics, University of New South Wales, Sydney, 2052, Australia
| | - Haibo Zhou
- College of Pharmacy, Jinan University, Guangzhou, Guangdong, 510632, China
| | - Danting Yang
- The Affiliated Hospital of Medical School, Ningbo University, Ningbo, Zhejiang Province, 315211, People's Republic of China; Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang Province, 315211, People's Republic of China.
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18
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Li S, Noroozifar M, Zhou J, Kerman K. Electrochemical flow injection analysis of the interaction between pyrroloquinoline quinone (PQQ) and α-synuclein peptides related to Parkinson's disease. Analyst 2021; 146:4545-4556. [PMID: 34251376 DOI: 10.1039/d1an00698c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
α-Synuclein (α-syn) is a hallmark protein of Parkinson's disease (PD). The aggregation process of α-syn has been heavily associated with the pathogenesis of PD. With the exponentially growing number of potential therapeutic compounds that can inhibit the aggregation of α-syn, there is now a significant demand for a high-throughput analysis system. Herein, a novel flow injection analysis system with an electrochemical biosensor as the detector was developed to study the interaction of a well-described antioxidant and amyloid inhibitor, pyrroloquinoline quinone (PQQ) with α-synuclein peptides. Screen-printed gold electrodes (SPEs) were modified using heptapeptides from α-syn wild-type (WT) and mutants such as lysine knock-out (ETEE) and E46K. Affinity binding events between these peptides and PQQ were analyzed by electrochemical impedance spectroscopy (EIS) and further confirmed by high-performance liquid chromatography (HPLC), liquid chromatography/mass spectrometry (LC/MS), and nuclear magnetic resonance (NMR) spectroscopy. HPLC and LC/MS results revealed that PQQ formed a stable complex with α-syn. NMR results confirmed that the α-syn-PQQ complex was formed via a Schiff base formation-like process. In addition, results showed that lysine residues influenced the binding event, in which the presence of an extra lysine stabilized the α-syn-PQQ complex, and the absence of a lysine significantly decreased the interaction of α-syn with PQQ. Therefore, we concluded that EIS is a promising technique for the evaluation of the interaction between PQQ-based amyloid inhibitors and α-syn. The electrochemical flow injection analysis assembly provided a rapid and low-cost drug discovery platform for the evaluation of small molecule-protein interactions.
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Affiliation(s)
- Shaopei Li
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada.
| | - Meissam Noroozifar
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada.
| | - Jiayun Zhou
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada.
| | - Kagan Kerman
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada.
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Singhal C, Bruno JG, Kaushal A, Sharma TK. Recent Advances and a Roadmap to Aptamer-Based Sensors for Bloodstream Infections. ACS APPLIED BIO MATERIALS 2021; 4:3962-3984. [PMID: 35006817 DOI: 10.1021/acsabm.0c01358] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The present review is intended to describe bloodstream infections (BSIs), the major pathogens responsible for BSIs, conventional tests and their limitations, commercially available methods used, and the aptamer and nanomaterials-based approaches developed so far for the detection of BSIs. The advantages associated with aptamers and the aptamer-based sensors, the comparison between the aptamers and the antibodies, and the various types of aptasensors developed so far for the detection of bloodstream infections have been described in detail in the present review. Also, the future outlook and roadmap toward aptamer-based sensors and the challenges associated with the aptamer development have also been concluded in this review.
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Affiliation(s)
- Chaitali Singhal
- Aptamer Technology and Diagnostic Laboratory, Multidisciplinary Clinical and Translational Research Group, Translational Health Science and Technology Institute (THSTI), Faridabad, Haryana 121001, India
| | - John G Bruno
- Nanohmics, Inc., Austin, Texas 78741, United States
| | - Ankur Kaushal
- Centre of Nanotechnology, Amity University, Manesar, Gurugram, Haryana 122413, India
| | - Tarun K Sharma
- Aptamer Technology and Diagnostic Laboratory, Multidisciplinary Clinical and Translational Research Group, Translational Health Science and Technology Institute (THSTI), Faridabad, Haryana 121001, India
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20
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Low-cost colorimetric diagnostic screening assay for methicillin resistant Staphylococcus aureus. Talanta 2021; 225:121946. [PMID: 33592701 DOI: 10.1016/j.talanta.2020.121946] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/27/2020] [Accepted: 11/28/2020] [Indexed: 12/11/2022]
Abstract
The timely diagnosis of MRSA in clinical samples helps to reduce the attendant morbidity/mortality associated with infection due to the organism. The early institution of appropriate therapy or deployment of infection control protocols are dependent on a timely report from the microbiology laboratory. Various assays currently used in the identification of MRSA are associated with inherent shortcomings, thus there is a need to explore newer diagnostic frontiers that can eliminate some of these short comings at a relatively cheap, timely, specific and sensitive manner. We present in this study a MRSA specific optical immunosensor to detect the presence of the pathogen on contaminated surface using control and patient strains. Results revealed a detection limits of 103 CFU mL-1 upon visual observation, and 29 CFU mL-1 as determined by the linear regression equation, following the use of ImageJ to quantify activated cotton swab color intensity. The specificity of the sensor was examined by blind testing a panel of non-MRSA bacteria (E. coli, S. aureus and S. epidermis). Negative visual read-out was observed for all tested non-specific bacteria except for MRSA. Assay takes an average of 5 min and presents a powerful point-of-care diagnostic platform for the detection of MRSA.
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21
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Raji MA, Suaifan G, Shibl A, Weber K, Cialla-May D, Popp J, Al-Kattan K, Zourob M. Aptasensor for the detection of Methicillin resistant Staphylococcus aureus on contaminated surfaces. Biosens Bioelectron 2021; 176:112910. [PMID: 33395571 DOI: 10.1016/j.bios.2020.112910] [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] [Received: 10/23/2020] [Revised: 12/14/2020] [Accepted: 12/16/2020] [Indexed: 11/15/2022]
Abstract
There is mounting evidence that contaminated hospital environment plays a crucial role in the transmission of nosocomial pathogens such as MRSA. The institution of infection control protocols is predicated on the early laboratory detection of the pathogen from relevant samples. Processing of environmental samples for the presence of bacterial contaminants in the clinical environment is poorly standardized when compared with analysis of clinical samples. The various laboratory methods available for processing environmental samples are difficult to standardized and most require a long turnaround time before results are available. In this study, we present a report of the performance of a novel pathogen aptasensor swab designed to qualitatively and quantitatively detect MRSA, on contaminated non-absorbable surfaces. The visual detection limit of the MRSA aptasensor swab was less than 100 CFU/ml and theoretically using a standard curve, was 2 CFU/ml. A relatively short turnaround time of 5 min was established for the assay while the linear range of quantitation was 102-105 CFU/ml. Engineered aptasensor targets MRSA selectively and binds to none of the other tested bacterial pathogen, on a multi-contaminated surface. This novel detection tool was easy to use and relatively cheap to produce.
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Affiliation(s)
- Muhabat Adeola Raji
- Department of Microbiology and Immunology, College of Medicine, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Rd, Riyadh, 11533, Saudi Arabia
| | - Ghadeer Suaifan
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, The University of Jordan, Amman-Jordan, P.O. Box 11942, Amman, Jordan
| | - Atef Shibl
- Department of Microbiology and Immunology, College of Medicine, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Rd, Riyadh, 11533, Saudi Arabia
| | - Karina Weber
- InfectoGnostics Research Campus Jena, Center for Applied Research, Friedrich-Schiller-University, Philosophenweg7, Jena, 07743, Germany; Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany; Leibniz Institute of Photonic Technology, Member of the Leibniz Research Alliance, Leibniz Health Technologies, Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Dana Cialla-May
- InfectoGnostics Research Campus Jena, Center for Applied Research, Friedrich-Schiller-University, Philosophenweg7, Jena, 07743, Germany; Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany; Leibniz Institute of Photonic Technology, Member of the Leibniz Research Alliance, Leibniz Health Technologies, Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Jürgen Popp
- InfectoGnostics Research Campus Jena, Center for Applied Research, Friedrich-Schiller-University, Philosophenweg7, Jena, 07743, Germany; Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Helmholtzweg 4, 07743, Jena, Germany; Leibniz Institute of Photonic Technology, Member of the Leibniz Research Alliance, Leibniz Health Technologies, Albert-Einstein-Straße 9, 07745, Jena, Germany
| | - Khaled Al-Kattan
- Department of Microbiology and Immunology, College of Medicine, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Rd, Riyadh, 11533, Saudi Arabia
| | - Mohammed Zourob
- Department of Chemistry, College of Science, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Rd, Riyadh, 11533, Saudi Arabia; King Faisal Specialist Hospital and Research Center, Zahrawi Street, Al Maather, Riyadh, 12713, Saudi Arabia.
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22
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Pereira HS, Tagliaferri TL, Mendes TADO. Enlarging the Toolbox Against Antimicrobial Resistance: Aptamers and CRISPR-Cas. Front Microbiol 2021; 12:606360. [PMID: 33679633 PMCID: PMC7932999 DOI: 10.3389/fmicb.2021.606360] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 01/05/2021] [Indexed: 12/13/2022] Open
Abstract
In the post-genomic era, molecular treatments and diagnostics have been envisioned as powerful techniques to tackle the antimicrobial resistance (AMR) crisis. Among the molecular approaches, aptamers and CRISPR-Cas have gained support due to their practicality, sensibility, and flexibility to interact with a variety of extra- and intracellular targets. Those characteristics enabled the development of quick and onsite diagnostic tools as well as alternative treatments for pan-resistant bacterial infections. Even with such potential, more studies are necessary to pave the way for their successful use against AMR. In this review, we highlight those two robust techniques and encourage researchers to refine them toward AMR. Also, we describe how aptamers and CRISPR-Cas can work together with the current diagnostic and treatment toolbox.
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Affiliation(s)
| | | | - Tiago Antônio de Oliveira Mendes
- Laboratory of Synthetic Biology and Modelling of Biological Systems, Department of Biochemistry and Molecular Biology, Universidade Federal de Viçosa, Viçosa, Brazil
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23
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Li D, Liu L, Huang Q, Tong T, Zhou Y, Li Z, Bai Q, Liang H, Chen L. Recent advances on aptamer-based biosensors for detection of pathogenic bacteria. World J Microbiol Biotechnol 2021; 37:45. [PMID: 33554321 DOI: 10.1007/s11274-021-03002-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 01/08/2021] [Indexed: 01/10/2023]
Abstract
As a significant constituent in biosphere, bacteria have a great influence on human activity. The detection of pathogen bacteria is closely related to the human health. However, the traditional methods for detection of pathogenic bacteria are time-consuming and difficult for quantification, although they are practical and reliable. Therefore, novel strategies for rapid, sensitive, and cost-effective detection are in great demand. Aptamer is a kind of oligonucleotide that selected by repeated screening in vitro or systematic evolution of ligands by exponential enrichment (SELEX) technology. Over the past years, owing to high affinity and specificity of aptamers, a variety of aptamer-based biosensors have been designed and applied for pathogen detection. In this review, we have discussed the recent advances on the applications of aptamer-based biosensors in detection of pathogenic bacteria. In addition, we also point out some problems in current methods and look forward to the further development of aptamer-based biosensors for pathogen detection.
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Affiliation(s)
- Danliang Li
- Department of health inspection and quarantine, College of Public Health, University of South China, Hengyang, China.,Key Laboratory of Hengyang for Health Hazard Factors Inspection and Quarantine, Hengyang, China
| | - Luyao Liu
- Department of health inspection and quarantine, College of Public Health, University of South China, Hengyang, China.,Key Laboratory of Hengyang for Health Hazard Factors Inspection and Quarantine, Hengyang, China
| | - Qiaoling Huang
- Department of health inspection and quarantine, College of Public Health, University of South China, Hengyang, China.,Key Laboratory of Hengyang for Health Hazard Factors Inspection and Quarantine, Hengyang, China
| | - Ting Tong
- Department of health inspection and quarantine, College of Public Health, University of South China, Hengyang, China.,Key Laboratory of Hengyang for Health Hazard Factors Inspection and Quarantine, Hengyang, China
| | - You Zhou
- Department of health inspection and quarantine, College of Public Health, University of South China, Hengyang, China.,Key Laboratory of Hengyang for Health Hazard Factors Inspection and Quarantine, Hengyang, China
| | - Zhongyu Li
- Institute of Pathogenic Biology, Hengyang Medical College, University of South China, Hengyang, China
| | - Qinqin Bai
- Department of health inspection and quarantine, College of Public Health, University of South China, Hengyang, China
| | - Hao Liang
- Department of health inspection and quarantine, College of Public Health, University of South China, Hengyang, China. .,Key Laboratory of Hengyang for Health Hazard Factors Inspection and Quarantine, Hengyang, China.
| | - Lili Chen
- Department of health inspection and quarantine, College of Public Health, University of South China, Hengyang, China. .,Key Laboratory of Hengyang for Health Hazard Factors Inspection and Quarantine, Hengyang, China. .,Hunan Province Key Laboratory of Typical Environmental Pollution and Health Hazards, Hunan, China.
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24
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Ramirez-Priego P, Estévez MC, Díaz-Luisravelo HJ, Manclús JJ, Montoya Á, Lechuga LM. Real-time monitoring of fenitrothion in water samples using a silicon nanophotonic biosensor. Anal Chim Acta 2021; 1152:338276. [PMID: 33648644 DOI: 10.1016/j.aca.2021.338276] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 01/27/2021] [Accepted: 01/29/2021] [Indexed: 12/13/2022]
Abstract
Due to the large quantities of pesticides extensively used and their impact on the environment and human health, a prompt and reliable sensing technique could constitute an excellent tool for in-situ monitoring. With this aim, we have applied a highly sensitive photonic biosensor based on a bimodal waveguide interferometer (BiMW) for the rapid, label-free, and specific quantification of fenitrothion (FN) directly in tap water samples. After an optimization protocol, the biosensor achieved a limit of detection (LOD) of 0.29 ng mL-1 (1.05 nM) and a half-maximal inhibitory concentration (IC50) of 1.71 ng mL-1 (6.09 nM) using a competitive immunoassay and employing diluted tap water. Moreover, the biosensor was successfully employed to determine FN concentration in blind tap water samples obtaining excellent recovery percentages with a time-to-result of only 20 min without any sample pre-treatment. The features of the biosensor suggest its potential application for real time, fast and sensitive screening of FN in water samples as an analytical tool for the monitoring of the water quality.
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Affiliation(s)
- Patricia Ramirez-Priego
- Nanobiosensors and Bioanalytical Applications Group, Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST and CIBER-BBN, Campus UAB, Bellaterra, 08193, Barcelona, Spain
| | - M-Carmen Estévez
- Nanobiosensors and Bioanalytical Applications Group, Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST and CIBER-BBN, Campus UAB, Bellaterra, 08193, Barcelona, Spain.
| | - Heriberto J Díaz-Luisravelo
- Nanobiosensors and Bioanalytical Applications Group, Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST and CIBER-BBN, Campus UAB, Bellaterra, 08193, Barcelona, Spain
| | - Juan J Manclús
- Centro de Investigación e Innovación en Bioingeniería (Ci2B), Universitat Politècnica de València, Camino de Vera S/n, 46022, Valencia, Spain
| | - Ángel Montoya
- Centro de Investigación e Innovación en Bioingeniería (Ci2B), Universitat Politècnica de València, Camino de Vera S/n, 46022, Valencia, Spain
| | - Laura M Lechuga
- Nanobiosensors and Bioanalytical Applications Group, Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST and CIBER-BBN, Campus UAB, Bellaterra, 08193, Barcelona, Spain
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25
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Jankovics H, Kovacs B, Saftics A, Gerecsei T, Tóth É, Szekacs I, Vonderviszt F, Horvath R. Grating-coupled interferometry reveals binding kinetics and affinities of Ni ions to genetically engineered protein layers. Sci Rep 2020; 10:22253. [PMID: 33335217 PMCID: PMC7746762 DOI: 10.1038/s41598-020-79226-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 12/03/2020] [Indexed: 12/18/2022] Open
Abstract
Reliable measurement of the binding kinetics of low molecular weight analytes to their targets is still a challenging task. Often, the introduction of labels is simply impossible in such measurements, and the application of label-free methods is the only reliable choice. By measuring the binding kinetics of Ni(II) ions to genetically modified flagellin layers, we demonstrate that: (1) Grating-Coupled Interferometry (GCI) is well suited to resolve the binding of ions, even at very low protein immobilization levels; (2) it supplies high quality kinetic data from which the number and strength of available binding sites can be determined, and (3) the rate constants of the binding events can also be obtained with high accuracy. Experiments were performed using a flagellin variant incorporating the C-terminal domain of the nickel-responsive transcription factor NikR. GCI results were compared to affinity data from titration calorimetry. We found that besides the low-affinity binding sites characterized by a micromolar dissociation constant (Kd), tetrameric FliC-NikRC molecules possess high-affinity binding sites with Kd values in the nanomolar range. GCI enabled us to obtain real-time kinetic data for the specific binding of an analyte with molar mass as low as 59 Da, even at signals lower than 1 pg/mm2.
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Affiliation(s)
- Hajnalka Jankovics
- Bio-Nanosystems Laboratory, Research Institute of Biomolecular and Chemical Engineering, University of Pannonia, Egyetem u. 10, Veszprém, Hungary
| | - Boglarka Kovacs
- Nanobiosensorics Laboratory, Institute of Technical Physics and Materials Science, Centre for Energy Research, Konkoly-Thege Miklós út 29-33, Budapest, Hungary
| | - Andras Saftics
- Nanobiosensorics Laboratory, Institute of Technical Physics and Materials Science, Centre for Energy Research, Konkoly-Thege Miklós út 29-33, Budapest, Hungary
| | - Tamas Gerecsei
- Nanobiosensorics Laboratory, Institute of Technical Physics and Materials Science, Centre for Energy Research, Konkoly-Thege Miklós út 29-33, Budapest, Hungary
| | - Éva Tóth
- Bio-Nanosystems Laboratory, Research Institute of Biomolecular and Chemical Engineering, University of Pannonia, Egyetem u. 10, Veszprém, Hungary
| | - Inna Szekacs
- Nanobiosensorics Laboratory, Institute of Technical Physics and Materials Science, Centre for Energy Research, Konkoly-Thege Miklós út 29-33, Budapest, Hungary
| | - Ferenc Vonderviszt
- Bio-Nanosystems Laboratory, Research Institute of Biomolecular and Chemical Engineering, University of Pannonia, Egyetem u. 10, Veszprém, Hungary
- Nanobiosensorics Laboratory, Institute of Technical Physics and Materials Science, Centre for Energy Research, Konkoly-Thege Miklós út 29-33, Budapest, Hungary
| | - Robert Horvath
- Nanobiosensorics Laboratory, Institute of Technical Physics and Materials Science, Centre for Energy Research, Konkoly-Thege Miklós út 29-33, Budapest, Hungary.
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Tran VT, Nguyen HQ, Kim YM, Ok G, Lee J. Photonic-Plasmonic Nanostructures for Solar Energy Utilization and Emerging Biosensors. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2248. [PMID: 33198391 PMCID: PMC7696832 DOI: 10.3390/nano10112248] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/07/2020] [Accepted: 11/11/2020] [Indexed: 11/16/2022]
Abstract
Issues related to global energy and environment as well as health crisis are currently some of the greatest challenges faced by humanity, which compel us to develop new pollution-free and sustainable energy sources, as well as next-generation biodiagnostic solutions. Optical functional nanostructures that manipulate and confine light on a nanometer scale have recently emerged as leading candidates for a wide range of applications in solar energy conversion and biosensing. In this review, recent research progress in the development of photonic and plasmonic nanostructures for various applications in solar energy conversion, such as photovoltaics, photothermal conversion, and photocatalysis, is highlighted. Furthermore, the combination of photonic and plasmonic nanostructures for developing high-efficiency solar energy conversion systems is explored and discussed. We also discuss recent applications of photonic-plasmonic-based biosensors in the rapid management of infectious diseases at point-of-care as well as terahertz biosensing and imaging for improving global health. Finally, we discuss the current challenges and future prospects associated with the existing solar energy conversion and biosensing systems.
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Affiliation(s)
- Van Tan Tran
- Department of Chemistry, Research Institute of Materials Science, Chungnam National University, Daejeon 34134, Korea; (V.T.T.); (H.-Q.N.)
- Faculty of Biotechnology, Chemistry and Environmental Engineering, Phenikaa University, Hanoi 12116, Vietnam
| | - Huu-Quang Nguyen
- Department of Chemistry, Research Institute of Materials Science, Chungnam National University, Daejeon 34134, Korea; (V.T.T.); (H.-Q.N.)
| | - Young-Mi Kim
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, Korea;
| | - Gyeongsik Ok
- Research Group of Consumer Safety, Korea Food Research Institute (KFRI), Wanju 55365, Korea;
| | - Jaebeom Lee
- Department of Chemistry, Research Institute of Materials Science, Chungnam National University, Daejeon 34134, Korea; (V.T.T.); (H.-Q.N.)
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, Korea;
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Ultrasensitive Label-Free Detection of Unamplified Multidrug-Resistance Bacteria Genes with a Bimodal Waveguide Interferometric Biosensor. Diagnostics (Basel) 2020; 10:diagnostics10100845. [PMID: 33086716 PMCID: PMC7589074 DOI: 10.3390/diagnostics10100845] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/13/2020] [Accepted: 10/15/2020] [Indexed: 11/18/2022] Open
Abstract
Infections by multidrug-resistant bacteria are becoming a major healthcare emergence with millions of reported cases every year and an increasing incidence of deaths. An advanced diagnostic platform able to directly detect and identify antimicrobial resistance in a faster way than conventional techniques could help in the adoption of early and accurate therapeutic interventions, limiting the actual negative impact on patient outcomes. With this objective, we have developed a new biosensor methodology using an ultrasensitive nanophotonic bimodal waveguide interferometer (BiMW), which allows a rapid and direct detection, without amplification, of two prevalent and clinically relevant Gram-negative antimicrobial resistance encoding sequences: the extended-spectrum betalactamase-encoding gene blaCTX-M-15 and the carbapenemase-encoding gene blaNDM-5 We demonstrate the extreme sensitivity and specificity of our biosensor methodology for the detection of both gene sequences. Our results show that the BiMW biosensor can be employed as an ultrasensitive (attomolar level) and specific diagnostic tool for rapidly (less than 30 min) identifying drug resistance. The BiMW nanobiosensor holds great promise as a powerful tool for the control and management of healthcare-associated infections by multidrug-resistant bacteria.
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Simmons MD, Miller LM, Sundström MO, Johnson S. Aptamer-Based Detection of Ampicillin in Urine Samples. Antibiotics (Basel) 2020; 9:E655. [PMID: 33003560 PMCID: PMC7601551 DOI: 10.3390/antibiotics9100655] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/17/2020] [Accepted: 09/23/2020] [Indexed: 12/12/2022] Open
Abstract
The misuse of antibiotics in health care has led to increasing levels of drug resistant infections (DRI's) occurring in the general population. Most technologies developed for the detection of DRI's typically focus on phenotyping or genotyping bacterial resistance rather than on the underlying cause and spread of DRI's; namely the misuse of antibiotics. An aptameric based assay has been developed for the monitoring of ampicillin in urine samples, for use in determining optimal antibiotic dosage and monitoring patient compliance with treatment. The fluorescently labelled aptamers were shown to perform optimally at pH 7, ideal for buffered clinical urine samples, with limits of detection as low as 20.6 nM, allowing for determination of ampicillin in urine in the clinically relevant range of concentrations (100 nM to 100 µM). As the assay requires incubation for only 1 h with a small sample volume, 50 to 150 µL, the test would fit within current healthcare pathways, simplifying the adoption of the technology.
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Affiliation(s)
- Matthew D. Simmons
- Department of Electronic Engineering, University of York, Heslington, York, North Yorkshire YO10 5DD, UK;
| | - Lisa M. Miller
- Department of Chemistry, University of York, Heslington, York, North Yorkshire YO10 5DD, UK;
| | - Malin O. Sundström
- Department of Electronic Engineering, University of York, Heslington, York, North Yorkshire YO10 5DD, UK;
| | - Steven Johnson
- Department of Electronic Engineering, University of York, Heslington, York, North Yorkshire YO10 5DD, UK;
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Soler M, Estevez MC, Cardenosa-Rubio M, Astua A, Lechuga LM. How Nanophotonic Label-Free Biosensors Can Contribute to Rapid and Massive Diagnostics of Respiratory Virus Infections: COVID-19 Case. ACS Sens 2020; 5:2663-2678. [PMID: 32786383 PMCID: PMC7447078 DOI: 10.1021/acssensors.0c01180] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 08/07/2020] [Indexed: 12/23/2022]
Abstract
The global sanitary crisis caused by the emergence of the respiratory virus SARS-CoV-2 and the COVID-19 outbreak has revealed the urgent need for rapid, accurate, and affordable diagnostic tests to broadly and massively monitor the population in order to properly manage and control the spread of the pandemic. Current diagnostic techniques essentially rely on polymerase chain reaction (PCR) tests, which provide the required sensitivity and specificity. However, its relatively long time-to-result, including sample transport to a specialized laboratory, delays massive detection. Rapid lateral flow tests (both antigen and serological tests) are a remarkable alternative for rapid point-of-care diagnostics, but they exhibit critical limitations as they do not always achieve the required sensitivity for reliable diagnostics and surveillance. Next-generation diagnostic tools capable of overcoming all the above limitations are in demand, and optical biosensors are an excellent option to surpass such critical issues. Label-free nanophotonic biosensors offer high sensitivity and operational robustness with an enormous potential for integration in compact autonomous devices to be delivered out-of-the-lab at the point-of-care (POC). Taking the current COVID-19 pandemic as a critical case scenario, we provide an overview of the diagnostic techniques for respiratory viruses and analyze how nanophotonic biosensors can contribute to improving such diagnostics. We review the ongoing published work using this biosensor technology for intact virus detection, nucleic acid detection or serological tests, and the key factors for bringing nanophotonic POC biosensors to accurate and effective COVID-19 diagnosis on the short term.
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Affiliation(s)
| | | | - Maria Cardenosa-Rubio
- Nanobiosensors and Bioanalytical Applications (NanoB2A),
Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST and
CIBER-BBN, 08193 Bellaterra, Barcelona, Spain
| | - Alejandro Astua
- Nanobiosensors and Bioanalytical Applications (NanoB2A),
Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST and
CIBER-BBN, 08193 Bellaterra, Barcelona, Spain
| | - Laura M. Lechuga
- Nanobiosensors and Bioanalytical Applications (NanoB2A),
Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST and
CIBER-BBN, 08193 Bellaterra, Barcelona, Spain
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30
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Soares AC, Soares JC, Rodrigues VC, Oliveira ON, Capparelli Mattoso LH. Controlled molecular architectures in microfluidic immunosensors for detecting Staphylococcus aureus. Analyst 2020; 145:6014-6023. [PMID: 32779664 DOI: 10.1039/d0an00714e] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Detection of pathogenic microorganisms is essential for food quality control and diagnosis of various diseases, which is currently performed with high-cost, sophisticated methods. In this paper, we report on a low-cost detection method based on impedance spectroscopy to detect Staphylococcus aureus (S. aureus). The immunosensors were made with microfluidic devices made of interdigitated electrodes coated with layer-by-layer (LbL) films of chitosan and chondroitin sulfate, on which a layer of anti-S. aureus antibodies was adsorbed. The limit of detection was 2.83 CFU mL-1 with a limit of quantification of 9.42 CFU mL-1 for immunosensors with 10-bilayer LbL films. This level of sensitivity is sufficient to detect traces of bacteria that cause mastitis in milk, which we have confirmed by distinguishing milk samples containing various concentrations of S. aureus from pure milk and milk contaminated with Escherichia coli (E. coli) and Salmonella. Distinction of these samples was made possible by projecting the electrical impedance data with the interactive document mapping (IDMAP) technique. The high sensitivity and selectivity are attributed to the highly specific interaction with anti-S. aureus antibodies captured with polarization-modulated reflection absorption spectroscopy (PM-IRRAS), with adsorption on the antibodies explained with the Langmuir-Freundlich model. Since these immunosensors are stable for up to 25 days and detection measurements can be made within minutes, the methodology proposed is promising for monitoring S. aureus contamination in the food industry and hospitals, and in detecting bovine mastitis.
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Affiliation(s)
- Andrey Coatrini Soares
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, 13560-970 São Carlos, SP, Brazil.
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Soler M, Scholtz A, Zeto R, Armani AM. Engineering photonics solutions for COVID-19. APL PHOTONICS 2020; 5:090901. [PMID: 33015361 PMCID: PMC7523711 DOI: 10.1063/5.0021270] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 08/17/2020] [Indexed: 05/04/2023]
Abstract
As the impact of COVID-19 on society became apparent, the engineering and scientific community recognized the need for innovative solutions. Two potential roadmaps emerged: developing short-term solutions to address the immediate needs of the healthcare communities and developing mid/long-term solutions to eliminate the over-arching threat. However, in a truly global effort, researchers from all backgrounds came together in tackling this challenge. Short-term efforts have focused on re-purposing existing technologies and leveraging additive manufacturing techniques to address shortages in personal protective equipment and disinfection. More basic research efforts with mid-term and long-term impact have emphasized developing novel diagnostics and accelerating vaccines. As a foundational technology, photonics has contributed directly and indirectly to all efforts. This perspective will provide an overview of the critical role that the photonics field has played in efforts to combat the immediate COVID-19 pandemic as well as how the photonics community could anticipate contributing to future pandemics of this nature.
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Affiliation(s)
- Maria Soler
- Nanobiosensors and Bioanalytical Applications
Group (NanoB2A), Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST
and CIBER-BBN, Barcelona, Spain
| | - Alexis Scholtz
- Department of Biomedical Engineering, University
of Southern California, Los Angeles, California 90089,
USA
| | - Rene Zeto
- Mork Family Department of Chemical Engineering and
Materials Science, University of Southern California, Los Angeles,
California 90089, USA
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Pandey LM. Design of engineered surfaces for prospective detection of SARS-CoV-2 using quartz crystal microbalance-based techniques. Expert Rev Proteomics 2020; 17:425-432. [PMID: 32654533 DOI: 10.1080/14789450.2020.1794831] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Rapid transmission of the severe acute respiratory syndrome coronavirus 2 has affected the whole world and forced it to a halt (lockdown). A fast and label-free detection method for the novel coronavirus needs to be developed along with the existing enzyme-linked immunosorbent assay (ELISA) and reverse transcription polymerase chain reaction (RT-PCR)-based methods. AREAS COVERED In this report, biophysical aspects of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike glycoprotein are outlined based on its recent reported electron microscopy structure. Protein binding sites are analyzed theoretically, which consisted of hydrophobic and positive charged amino acid residues. Different strategies to form mixed self-assembled monolayers (SAMs) of hydrophobic (CH3) and negatively charged (COOH) groups are discussed to be used for the specific and strong interactions with spike protein. Bio-interfacial interactions between the spike protein and device (sensor) surface and its implications toward designing suitable engineered surfaces are summarized. EXPERT OPINION Implementation of the engineered surfaces in quartz crystal microbalance (QCM)-based detection techniques for the diagnosis of the novel coronavirus from oral swab samples is highlighted. The proposed strategy can be explored for the label-free and real-time detection with sensitivity up to ng level. These engineered surfaces can be reused after desorption.
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Affiliation(s)
- Lalit M Pandey
- Bio-interface & Environmental Engineering Lab, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati , Assam, India
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Trunzo NE, Hong KL. Recent Progress in the Identification of Aptamers Against Bacterial Origins and Their Diagnostic Applications. Int J Mol Sci 2020; 21:ijms21145074. [PMID: 32708376 PMCID: PMC7404326 DOI: 10.3390/ijms21145074] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 07/15/2020] [Accepted: 07/16/2020] [Indexed: 12/18/2022] Open
Abstract
Aptamers have gained an increasing role as the molecular recognition element (MRE) in diagnostic assay development, since their first conception thirty years ago. The process to screen for nucleic acid-based binding elements (aptamers) was first described in 1990 by the Gold Laboratory. In the last three decades, many aptamers have been identified for a wide array of targets. In particular, the number of reports on investigating single-stranded DNA (ssDNA) aptamer applications in biosensing and diagnostic platforms have increased significantly in recent years. This review article summarizes the recent (2015 to 2020) progress of ssDNA aptamer research on bacteria, proteins, and lipids of bacterial origins that have implications for human infections. The basic process of aptamer selection, the principles of aptamer-based biosensors, and future perspectives will also be discussed.
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Gauglitz G. Critical assessment of relevant methods in the field of biosensors with direct optical detection based on fibers and waveguides using plasmonic, resonance, and interference effects. Anal Bioanal Chem 2020; 412:3317-3349. [PMID: 32313998 PMCID: PMC7214504 DOI: 10.1007/s00216-020-02581-0] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 02/28/2020] [Accepted: 03/04/2020] [Indexed: 12/16/2022]
Abstract
Direct optical detection has proven to be a highly interesting tool in biomolecular interaction analysis to be used in drug discovery, ligand/receptor interactions, environmental analysis, clinical diagnostics, screening of large data volumes in immunology, cancer therapy, or personalized medicine. In this review, the fundamental optical principles and applications are reviewed. Devices are based on concepts such as refractometry, evanescent field, waveguides modes, reflectometry, resonance and/or interference. They are realized in ring resonators; prism couplers; surface plasmon resonance; resonant mirror; Bragg grating; grating couplers; photonic crystals, Mach-Zehnder, Young, Hartman interferometers; backscattering; ellipsometry; or reflectance interferometry. The physical theories of various optical principles have already been reviewed in detail elsewhere and are therefore only cited. This review provides an overall survey on the application of these methods in direct optical biosensing. The "historical" development of the main principles is given to understand the various, and sometimes only slightly modified variations published as "new" methods or the use of a new acronym and commercialization by different companies. Improvement of optics is only one way to increase the quality of biosensors. Additional essential aspects are the surface modification of transducers, immobilization strategies, selection of recognition elements, the influence of non-specific interaction, selectivity, and sensitivity. Furthermore, papers use for reporting minimal amounts of detectable analyte terms such as value of mass, moles, grams, or mol/L which are difficult to compare. Both these essential aspects (i.e., biochemistry and the presentation of LOD values) can be discussed only in brief (but references are provided) in order to prevent the paper from becoming too long. The review will concentrate on a comparison of the optical methods, their application, and the resulting bioanalytical quality.
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Affiliation(s)
- Günter Gauglitz
- Institute of Physical and Theoretical Chemistry, Eberhard Karls Universität, Auf der Morgenstelle 18, 72076, Tübingen, Germany.
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