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Screening and diagnosis of respiratory diseases using metamaterial based sensitive terahertz impedance spectroscopy Sens. Bio-Sens. Res. Pub Date : 2024-03-19 Rudrarup Sengupta, Heena Khand, Gabby Sarusi
Utilizing LC resonant metamaterials (MM) for terahertz (THz) impedance spectroscopy has opened new avenues for detection of biomolecules and nanoparticles. A recent revelation highlights the pivotal role of coupling between MM resonance and Fabry-Pérot (FP) oscillations of the substrate. This interaction significantly influences the observed spectral shift (), thereby enhancing the overall sensitivity
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Electrochemical bio-sensor of caffeine in food beverages on using silver vanadium oxide decorated in graphitic carbon nitride (AgVO@g-CN) Nano composite modified glassy carbon electrode Sens. Bio-Sens. Res. Pub Date : 2024-02-29 V. Vinothkumar, A. Poongan, Abhishek Mandal, P. Venkatesh
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Novel biosensor for highly sensitive detection of serum albumin in artificial human urine using CuNPs@AG Sens. Bio-Sens. Res. Pub Date : 2024-02-28 Awaz Sayfallah Sami, Sabah Subhi Ismael Barani, Rzgar Farooq Rashid, Samie Yaseen Sharaf Zeebaree, Aymn Yaseen Sharaf Zeebaree, Osama Ismail Haji Zebari, Ali Mousa Ali, Khalaf Simo Ilyas, Falah Hasan Biso, Muhammad Mirhaj Issa
Detecting early signs of disease can significantly mitigate the risk of severe consequences. Chronic kidney disease (CKD), stemming from various underlying conditions like diabetes mellitus, high blood pressure, obesity, and heart disease, manifests as an impairment in the kidneys' ability to efficiently filter blood. Consequently, a small amount of the protein albumin might be excreted into the urine
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Embroidered 3D capacitive sensor integrated with bandage for monitoring of volume and type of biofluids Sens. Bio-Sens. Res. Pub Date : 2024-02-28 Saima Qureshi, Goran M. Stojanović, Mitar Simić, Sanja Kojić, Bojan Petrović, Ana Tomas Petrović, Muhammad Umar Aslam Khan
Textile based sensors have gained tremendous attention in moisture sensing. Moisture monitoring is crucial in wound healing. To promote the healing process, it is essential to maintain an optimal level of moisture while limiting unnecessary dressing changes. The objective of this research was to test how well a textile moisture sensor can detect moisture from the body and wound fluid when attached
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Fabrication of a polishable and reusable triple electrode as a new generation of three-electrode systems for the electrochemical analysis applications through both immersion and drop casting-procedures Sens. Bio-Sens. Res. Pub Date : 2024-02-28 Mehrdad Abbasi, Ali Rasi Mahmoudi, Karim Asadpour-Zeynali
An innovative three-electrode system was developed for electrochemical analysis, aiming to overcome the limitations of conventional approaches. The system incorporates a glassy carbon rod as the working electrode, platinum wire as the counter electrode, and silver wire as the quasi-reference electrode that are positioned within an epoxy resin substrate. The advantages of this type of three-electrode
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Aerosol-jet-printed potentiometric pH sensor for sweat measurements in smart patches Sens. Bio-Sens. Res. Pub Date : 2024-02-28 Jan Dominiczak, Jakub Krzemiński, Justyna Wojcieszek, Dominik Baraniecki, Filip Budny, Izabela Wojciechowska, Piotr Walter, Andrzej Pepłowski, Łukasz Górski, Małgorzata Jakubowska
Manufacturing technology of ion-selective electrodes (ISEs) for pH measurements is presented. Plasticized polyurethane membranes with tridodecylamine as a pH-selective ionophore were used as receptor layer, whereas electrodes printed with graphene nanoplatelets paste served as transducers. For preliminary experiments, sensors with screen-printed transducers and pH-selective membranes deposited manually
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Real-time monitoring of breath biomarkers using magnonic wireless sensor based on magnetic nanoparticles Sens. Bio-Sens. Res. Pub Date : 2024-02-17 J.D. Aguilera, D. Arranz, A. Peña, P. Marín, M.C. Horrillo, P. de la Presa, D. Matatagui
In this paper, an innovative device with gas remote-sensing capability is proposed, which is based on the interaction between magnetic nanoparticles and gases associated with exhaled breath biomarkers that can have a metabolic origin. Magnetite (Fe₃O₄) nanoparticles of around 30 nm have been used. The gas molecules adsorbed on surface modulate the magnetization of the nanoparticles and magnetostatic
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Electronic nose coupled with artificial neural network for classifying of coffee roasting profile Sens. Bio-Sens. Res. Pub Date : 2024-02-17 Suryani Dyah Astuti, Ihsan Rafie Wicaksono, Soegianto Soelistiono, Perwira Annissa Dyah Permatasari, Ahmad Khalil Yaqubi, Yunus Susilo, Cendra Devayana Putra, Ardiyansyah Syahrom
Coffee known for its diverse aromas shaped by postharvest treatments, particularly the roasting process, plays a pivotal role in determining the quality of the brewed beverage. This study focuses on classifying the aroma of Arabica coffee beans based on roasting temperature, employing an electronic nose equipped with a TGS gas array sensor. The classification methodology integrates deep learning through
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The necessity of nanotechnology in Mycoplasma pneumoniae detection: A comprehensive examination Sens. Bio-Sens. Res. Pub Date : 2024-02-17 Amir Matini, Seyed Morteza Naghib
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Numerical investigation into impact of halide perovskite material on the optical performance of prism-loaded hybrid surface plasmon resonance biosensor: A strategy to increase sensitivity Sens. Bio-Sens. Res. Pub Date : 2024-02-17 Sourav Roy, Nibir Mondol, Diponkar Kundu, Anisha Anjum Meem, Md. Rasidul Islam, Md. Amzad Hossain, Md. Biplob Hossain
The technology of surface plasmon resonance (SPR) is widely recognized and valued for its ability to rapidly and sensitively investigate biomolecular interactivities in real-time. Herein, we numerically investigate the collective influence of metal/ transition metal dichalcogenide (TMDC)/halide perovskite (HP)/2D carbon (C) and phosphorus (P) allotropes on the functionality of an SPR biosensor deploying
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Copper nanoclusters modified molybdenum disulfide quantum dots probe for sensitive detection of tetracycline Sens. Bio-Sens. Res. Pub Date : 2024-02-15 Xiaoxue Tang, Haonan Chi, Zijian Jia, Jingxue Lv, Yuguang Lv, Jiang Wu
By combining molybdenum disulfide quantum dots (MoS QDs) synthesized using a facile hydrothermal method with copper nanoclusters (Cu NCs), copper-ion-modified molybdenum disulfide probes (Cu-MoS QDs) were obtained, enabling sensitive detection and specific recognition of tetracycline (TET). The synthesized probes were characterized using techniques such as fourier-transform infrared spectroscopy (FT-IR)
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Microfluidic electrolyte-gated TiS3 nanoribbons-based field-effect transistor as ultrasensitive label-free immunosensor for prostate cancer marker analysis Sens. Bio-Sens. Res. Pub Date : 2024-02-08 Samira Mansouri Majd, Abdollah Salimi
Early detection of prostate cancer, the second main cause of death in men, with robust assay platforms by using the appropriate biomarkers is of great importance for diagnosis and follow-up of disease under treatment. The aim of this research is to investigate how novel TiS nanoribbons can be used as a channel material in the microfluidic electrolyte-gated field-effect transistor (FET), with the goal
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Nanosensors for animal infectious disease detection Sens. Bio-Sens. Res. Pub Date : 2024-02-04 Thuanny Borba Rios, Mariana Rocha Maximiano, Gabriel Cidade Feitosa, Martin Malmsten, Octávio Luiz Franco
Infectious diseases in farm animals triggered by pathogenic microorganisms affect the health and well-being of livestock and human populations. Pathogen detection is an important step for the successful diagnosis, treatment and control of infectious diseases in animals. Pathogens that persist in the poultry and livestock industries can be responsible for more than 70% of emerging infections. Thus,
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Highly sensitive photonic crystal fiber based surface plasmon resonance biosensor for detection of wide range of organic solutions Sens. Bio-Sens. Res. Pub Date : 2024-02-02 Nafisa Tasnim, Md. Arafat Rahman, Md. Rifat Rahman, Tanvir Ahmed
This study introduces a dual-core photonic crystal fiber incorporating a highly responsive plasmonic refractive index (RI) sensor. The performance of the RI sensor is evaluated based on amplitude sensitivity, wavelength resolution, wavelength sensitivity, and the linearity of the resonance wavelength. Employing the finite element technique (FEM), a numerical analysis of the proposed design is conducted
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Parameters determination (energy, charge, electric field, shape) of output profiles of HAp-collagen-glucose-based double layer capacitors; possibility for diabetes detection Sens. Bio-Sens. Res. Pub Date : 2024-02-02 Griselda A. Rivera, Rogelio Rodriguez, Susana Vargas
Numerical values of important parameters associated with a piezoelectric material containing an electrolyte and subjected to external stress were obtained; the applied stress produced, almost instantly, induced charges on the material's surface; these charges move the ions of the electrolyte toward the charged surfaces forming the electric double layer EDL; these two charged surfaces give place to
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The impact of quantum dot on the SPR detection improvement of molecular interactions between Rap1 interacting factor1 (Rif1) and G4 Sens. Bio-Sens. Res. Pub Date : 2024-02-02 Sana Alavi, Hamed Ghadiri, Bahareh Dabirmanesh, Khosro Khajeh
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Selective detection of Fe3+ by Ag2S QDs and construction of the IMPLICATION gate Sens. Bio-Sens. Res. Pub Date : 2024-02-02 Lijun Liu, Lu Ga, Jun Ai
Several studies have demonstrated that AgS QDs are promising near-infrared II-emitting nanoprobes. They AgS QDs can be used in the fields of bio-imaging, fluorescence detection and photodetectors. In this work, we achieved the first successful construction of a dual-input logic gate IMPLICATION gate based on the specific detection of Fe by silver sulfide quantum dots and the reduction of Fe by ascorbic
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Fabrication of LaF3 passivated porous silicon pH sensor by deep eutectic solvent based novel chemical route Sens. Bio-Sens. Res. Pub Date : 2024-02-02 Md. Hafijur Rahman, Mohammad Taufiq Alam, Abu Bakar Md. Ismail
Lanthanum fluoride (LaF) and other rare-earth halides are commonly used in sensor and optical equipment. A deep eutectic solvent (DES) based LaF passivated porous silicon (PS) sensor for sensing the pH of buffer solution has been fabricated in this research. An electrochemically etched PS structure has been prepared and passivated with novel DES-based LaF to fabricate pH sensor. For the deposition
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Photovoltaic recombination sensor as system for real-time determination of lactate dehydrogenase activity Sens. Bio-Sens. Res. Pub Date : 2024-02-01 Alexey Kozinetz, Bogdan Sus, Olga Tsymbalyuk, Sergii Litvinenko
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Study of the evolution in space and time of water diffusion in a leaf through a sub-terahertz portable imaging system Sens. Bio-Sens. Res. Pub Date : 2024-01-30 F.V. Di Girolamo, R. Paoletti, A. Tredicucci, A. Toncelli
Among the non-destructive techniques capable of obtaining information on biological systems even in vivo, terahertz-based techniques are emerging due to their specificity to the water content, which can represent an important indicator of the presence of microorganisms and, in general, of the health status, particularly in plants. Nevertheless, the analysis of the extracted data (especially for images)
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Numerical analysis of a metal-insulator-metal waveguide-integrated magnetic field sensor operating at sub-wavelength scales Sens. Bio-Sens. Res. Pub Date : 2023-12-27 Mohammad Ashraful Haque, Rummanur Rahad, Md. Omar Faruque, Md Sadi Mobassir, Rakibul Hasan Sagor
This article introduces a novel plasmonic magnetic field sensor (MFS) that utilizes a Metal-Insulator-Metal (MIM) waveguide configuration with a W-shaped cavity filled with magnetic fluid (MF). The MFS's unique design combines the advantages of plasmonic sensing, offering a promising solution for the detection of magnetic field strength. It operates based on the inherent properties of surface plasmon
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Status and future development of distributed optical fiber sensors for biomedical applications Sens. Bio-Sens. Res. Pub Date : 2023-12-19 Zhanerke Katrenova, Shakhrizat Alisherov, Turar Abdol, Carlo Molardi
In recent years, fiber sensing technology has become more and more important in many fields of applied science. The versatility of the fiber sensors to obtain reliable and precise measurements while maintaining compact size and reduced costs has no comparison in sensing technology. However, the most intriguing property of optical fiber sensors is represented by the possibility to extend the sensing
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Selective square wave voltammetric determination of tinidazole in pharmaceutical formulations, and human urine samples using poly(bis(2,2′-bipyridine)diresorcinolateruthenium(III) chloride) modified glassy carbon electrode Sens. Bio-Sens. Res. Pub Date : 2023-12-19 Getasil Chanie, Adane Kassa, Getinet Tamiru Tigineh, Atakilt Abebe
This study reports the determination of Tinidazole (TDL) using a modified glassy carbon electrode, poly(bis(2,2′-bipyridine)diresorcinateruthenium(III) chloride) (poly(BBPDRRuC)/GCE) by a newly synthesized mixed ligand complex, bis-(2,2′-bipyridine)diresorcinateruthenium(III) chloride(BBPDRRuC). Electrochemical impedance spectroscopy (EIS) and cyclic voltamettry (CV) results demonstrated modification
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Capillary zone electrophoresis: Opportunities and challenges in miniaturization for environmental monitoring Sens. Bio-Sens. Res. Pub Date : 2023-12-15 Swapna A. Jaywant, Harshpreet Singh, Khalid Mahmood Arif
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The opportunity and challenges associated with the development of cell-based biosensor for detection of urine mycobacterium lipoarabinomannan Sens. Bio-Sens. Res. Pub Date : 2023-12-14 Dian Ayu Eka Pitaloka, Rajwa Dwifauza Suryanto, Irkham, Salma Nur Zakiyyah, Yeni Wahyuni Hartati, Bambang Kuswandi
Tuberculosis (TB) remains a significant threat to public health, and one of the primary goals of the EndTB Strategy is the development of non-sputum-based diagnostics. Among the available innovative methods, biosensor technology for detecting (MTB) stands out due to its potential to offer point-of-care (POC) diagnostics, leading to a revolutionary shift in the medical field. In recent years, several
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Hydrogen peroxide sensing with nitrogen-doped carbon nanowalls Sens. Bio-Sens. Res. Pub Date : 2023-11-30 Rakhymzhan Ye. Zhumadilov, Yerassyl Yerlanuly, Hiroki Kondo, Renata R. Nemkayeva, Tlekkabul S. Ramazanov, Masaru Hori, Maratbek T. Gabdullin
The fabrication of miniaturized, low-cost, enzyme-free sensors based on nanomaterials via high-performance techniques is expected to provide important benefits for applications in biological detection. In this work, nitrogen-doped carbon nanowalls (CNWs) were synthesized and used to fabricate electrochemical sensor for hydrogen peroxide (H2O2) sensing. The CNWs were grown on Ti\SiO2\Si substrates by
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A novel and intelligent chemometric-electrochemical-enzymatic biosensing procedure and mimicking a clinical condition environment to trick the red blood cells for counting them under physiological conditions: A new connection among chemometry, electrochemistry and hematology Sens. Bio-Sens. Res. Pub Date : 2023-11-29 Faramarz Jalili, Ali R. Jalalvand
Here, a novel electrochemical biosensing procedure has been developed for determination of the number of red blood cells (RBCs) under physiochemical conditions based on chemometric modeling of hydrodynamic differential pulse voltammetric (HDPV), and amperometric data as responses of a modified edge plane pyrolytic graphite electrode (EPPGE). In order to obtain a good sensitivity from the EPPGE, its
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Measurement of nano molar ammonium with a cyclic olefin copolymer microchip and low-power LED Sens. Bio-Sens. Res. Pub Date : 2023-11-29 Samer K. Abi Kaed Bey, Matthew C. Mowlem
In oligotrophic regions, ammonium (NH) concentrations can be below 50 nM, however, few existing instruments can measure below this level with high confidence. This work, based on the o-pthaldialdehyde (OPA) fluorescence assay, is applied to measure nanomolar NH in a novel optofluidic Cyclic Olefin Copolymer (COC) microchip using a low-power (20 mW) Light Emitting Diode (LED) as the excitation source
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Recent advances in electrochemical sensors based on molecularly imprinted polymers and nanomaterials for detection of ascorbic acid, dopamine, and uric acid: A review Sens. Bio-Sens. Res. Pub Date : 2023-11-28 Girma Salale Geleta
The demand for analysing biological molecules such as dopamine (DA), ascorbic acid (AA), and uric acid (UA) is growing more than ever in applied science for better health and medicine. Over the past two decades, molecular imprinted polmers (MIPs) have been developed as synthetic receptors or substitute materials for antibodies due to their high stability, short time needed for electropolymerization
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Real-time quantification of proteins secreted of conditioned media from mesenchymal stromal cells (MSC) in co-culture with hematopoietic progenitor cells Sens. Bio-Sens. Res. Pub Date : 2023-11-28 Pamela Quimbaya, Vivian Garzon, Rosa-Helena Bustos, Ximena Bonilla, Manuela Llano, Ana-Milena Lara, David López, Ana-María Perdomo
The interaction of mesenchymal stromal cells (MSC) in co-cultures with hematopoietic progenitor cells (HPC) in ex-vivo models induce the secretion of pro-inflammatory protein factors and influences HPC cell proliferation and differentiation processes. Different studies have shown the quantification of these biomarkers in other conditioned media using an ELISA and Luminex™ type immunoassay format. In
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Leveraging the accelerometer data for precise blood pressure assessment and management Sens. Bio-Sens. Res. Pub Date : 2023-11-28 Jipsa Chelora Veetil, Iyappan Gunasekaran, Zainab Riaz, Alireza Keramat
In recent years, the use of accelerometer data in biosensors, which tracks physical activity levels and mobility, has gained more attention. Accelerometers offer enormous promise in the field of blood pressure measurement in addition to being utilized for physical activity monitoring. It is possible to utilize it as a sensor to measure ballistocardiograms (BCG) and seismocardiograms (SCG), which can
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Simultaneous detection of CA-125 and mesothelin by gold nanoparticles in surface plasmon resonance Sens. Bio-Sens. Res. Pub Date : 2023-11-27 Erenildo Ferreira de Macedo, Lucca Silva Nascimento, Yanxia Hou, Raphael Mathey, Dayane Batista Tada
The early-stage diagnosis and monitoring of disease evolution is still one of the most challenging tasks in the field of cancer research. Several research have been driven toward the discovery of new cancer biomarkers as well as to the development of biosensors able to detect these biomarkers with high specificity and sensitivity. Many types of cancer have been detected at an advanced stage and, in
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Thermo-cyclically operated metal oxide gas sensor arrays for analysis of dissolved volatile organic compounds in fermentation processes: Part II – Quasi online monitoring in biogas fermentation Sens. Bio-Sens. Res. Pub Date : 2023-11-14 Binayak Ojha, Andreas Wilke, Regina Brämer, Matthias Franzreb, Heinz Kohler
This study presents a quasi-online method for monitoring of dissolved volatile fatty acids (VFAs) in biogas fermentation processes with a carrier gas probe by use of thermo-cyclically operated metal oxide gas sensor arrays. Each of the two sensor arrays comprises a pure SnO2 and three different SnO2/additive-composites (additives: alumina, YSZ, NASICON) but differ by SnO2 synthesis routes, namely Flame
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CRISPR-based biosensor for the detection of Marburg and Ebola virus Sens. Bio-Sens. Res. Pub Date : 2023-11-14 Irkham Irkham, Abdullahi Umar Ibrahim, Pwadubashiyi Coston Pwavodi, Chidi Wilson Nwekwo, Yeni Wahyuni Hartati
Marburg Virus is one of the most neglected diseases that dated back to 1967. Prior to the 21st century, the outbreak of the virus was recorded trice, In 1967, 1998 and 2004. Accurate and early detection of pathogenic viruses such as Marburg, Ebola, Zika, Human Immunodeficiency Virus (HIV), Dengue, Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-COV-2) etc. is crucial for treatment and prevention
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Application of electrochemical sensor modified by SBA-15 /Fe3O4/polyaniline nanocomposite for determination of tyrosine in milk samples Sens. Bio-Sens. Res. Pub Date : 2023-11-14 Faeze Khanmohammadi, BiBi Marziyeh Razavizadeh, Ebrahim Fooladi
In this study, a selective SBA-15 /Fe3O4/Polyaniline /Chitosan nanocomposite was successfully electrodeposited on Screen- Printed Carbon Electrode (SPCE) and used for L-Tyrosine (Tyr) detection. Biological diagnostic probes such as artificial receptors are one of the important diagnostic layers for the identification of vital biomolecules, including essential amino acids like Tyr. A new electrochemical
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Graphene based Mo6 cluster hybrid for detecting simulant nerve agent DMMP Sens. Bio-Sens. Res. Pub Date : 2023-11-14 Juan Casanova-Chafer, Xavier Blanch, Ana Moreno, Rocio Garcia-Aboal, Pedro Atienzar, Eduard Llobet, Marta Feliz
Nerve agents are highly toxic chemical compounds that pose significant threats to human health and safety. Detecting and identifying these agents quickly is crucial for preventing their exposure and providing timely treatment. This study proposes the use of nanohybrids comprising crystalline octahedral molybdenum iodide cluster material supported on graphene (Mo@Graphene) as a novel sensing material
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Machine learning approach to surface plasmon resonance bio-chemical sensor based on nanocarbon allotropes for formalin detection in water Sens. Bio-Sens. Res. Pub Date : 2023-11-14 Gufranullah Ansari, Amrindra Pal, Alok K. Srivastava, Gaurav Verma
This article investigates the design of a surface plasmon resonance (SPR) sensor that utilizes carbon nanotubes (CNT) and graphene to detect formalin concentration in water. The proposed sensor's design optimization and performance evaluation are achieved by implementing Gradient Boosting Regression (GBR), a machine learning (ML) algorithm, and the artificial hummingbird algorithm. An iterative transfer
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Fabrication, characterization and performance evaluation of an amplified electrochemical sensor based on MOFs nanocomposite for leukemia drug Imatinib determination Sens. Bio-Sens. Res. Pub Date : 2023-11-14 Biuck Habibi, Sara Pashazadeh
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Tailoring the gas sensing characteristics of ZnO and ZnS monolayers toward CO2, CO and N2 upon introducing defects and substitutional functionalization Sens. Bio-Sens. Res. Pub Date : 2023-11-03 Pornsawan Sikam, Sireetone Yawirach, Anucha Watcharapasorn, Thanayut Kaewmaraya, Pairot Moontragoon
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Dual-probe sandwich for Lewy body detection on nano-composite modified dielectric surface to determine Parkinson's disease Sens. Bio-Sens. Res. Pub Date : 2023-10-19 Xi Zhang, Menghai Wu, Subash C.B. Gopinath, Yeng Chen
Parkinson's disorder (PD) is a chronic and central nervous system disorder that occurs when neurons in the area of the brain impairs or dies, in particular, it affects the dopamine-producing neurons. People having PD also loose chemical messenger norepinephrine, which involves in regulating the main function of physiological systems, such as heart rate and blood pressure. Researchers are working on
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Magnetite chitosan hydrogel nanozyme with intrinsic peroxidase activity for smartphone-assisted colorimetric sensing of thiabendazole Sens. Bio-Sens. Res. Pub Date : 2023-10-18 Abera Merga Ariti, Seada Abdo Geleto, Beamlak Teshome Gutema, Efrata Getachew Mekonnen, Yitayal Admassu Workie, Ebrahim M. Abda, Menbere Leul Mekonnen
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Design of a highly sensitive cascaded rectangular ring resonator embedded with gold nanorods and gratings for multipurpose application Sens. Bio-Sens. Res. Pub Date : 2023-10-18 Mohammad Rakibul Islam, Inan Marshad, Nuzhat Fairooz Rity, Redwan Uddin Ahmad
This study introduces a sensor consisting of a metal-insulator-metal (MIM) structure, having an integration of gold nanorods and gratings, to perform various functions including sensing refractive index, detecting blood components, monitoring temperature, and measuring magnetic fields. The sensor's spectral properties are studied analytically in the MIR region implementing finite element method. Furthermore
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Label-free immunosensor based on a one-step CTAB intercalated graphene nanocomposite for hepatitis C virus detection Sens. Bio-Sens. Res. Pub Date : 2023-10-20 Gilvânia M. Santana, Anne K.S. Silva, Paula A.B. Ferreira, Stephen R. Benjamin, Erika K.G. Trindade, Rosa F. Dutra
A new label-free immunosensor containing cetyltrimethylammonium bromide (CTAB) intercalated-graphene oxide (GO) on a polythiophene (PTh) film one-step electrosynthetized is described for detection of hepatitis C antibodies (Anti-HCV). This electroactive film also acted as a substrate for immobilizing the biorecognition element. The ability of the biosensor to bind Anti-HCV was monitored by the square
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Rapid SERS detection of diverse filamentous fungi by superparamagnetic particles and flexible silver nanowires Sens. Bio-Sens. Res. Pub Date : 2023-10-18 Shan Hu, Benshun Tian, Tianyi Ma, Haiquan Kang, Yunjian Wu, Changyu Wu, Ying Yang, Feng Gu, Bing Gu
In clinical practice, infections caused by Aspergillus species are common and associated with high mortality rates. However, isolating Aspergillus from clinical samples and cultures is challenging, and serological tests cannot differentiate between strains. Furthermore, the complex cell wall structure in Aspergillus species hinders DNA extraction and subsequent nucleic acid detection. Aspergillus fumigatus
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Aptamer conjugated Si nanowire network/poly(pyrrole)-NTA structure for electrochemical sensing Sens. Bio-Sens. Res. Pub Date : 2023-10-18 Monica Vallejo-Perez, Essohanam Beke, Chantal Gondran, Karine Gorgy, Isabelle Gélard, Céline Ternon, Nicolas Spinelli, Valérie Stambouli
The current study describes the design, analytical characterization, and testing of aptamer sensors based on Si nanonets (Si NN) for thrombin electrochemical detection. Si nanonets are thin sheet arrays of randomly aligned Si nanowires with controlled and programmable properties that may be transported and integrated on a variety of substrates. Si nanonets were placed onto a commercial glassy carbon
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Poly(bis(2,2′-bipyridine) hydroxy Copper(II) iodide modified glassy carbon electrode for electrochemical determination of chloroquine in pharmaceuticals and biological samples Sens. Bio-Sens. Res. Pub Date : 2023-10-18 Mulu Gashu, Belete Asefa Aragaw, Molla Tefera, Atakilt Abebe
A new electrochemical sensor, poly(bis(2,2′-bipyridine)hydroxycopper(II) iodide modified glassy carbon electrode (poly([Cu(Bip)2OH]I)/GCE), was prepared by electropolymerization of bis(2,2′-bipyridine)chlorocopper(II) iodide ([Cu(Bip)2Cl]I) on glassy carbon electrode (GCE) for voltammetric determination of chloroquine (CQ). The synthesized complex (bis(2,2′-bipyridine)chlorocopper(II) iodide) was characterized
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Exploring the capabilities of a hexagonal photonic crystal fiber for magnetic field sensing Sens. Bio-Sens. Res. Pub Date : 2023-10-18 Muhammad Musavir Bilal, Hamza Ahmad Madni, Servando Lopez-Aguayo
We propose a simple magnetic field sensor based on a hexagonal photonic crystal fiber (PCF) and magnetic fluid (Fe3O4). The simulation study has been carried out using the finite element method (FEM). The optical parameters such as birefringence, coupling length, power spectrum, and transmission intensity have been analyzed. The performance of the proposed sensor has been evaluated by tracing the optical
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Molybdenum disulfide-based aptamer sensor for high-precision detection of prostate specific antigen in serum Sens. Bio-Sens. Res. Pub Date : 2023-09-20 Jiawei Zhang, Cherie S. Tan, Chong Chen, Ziyue Qin, Jie Fu, Qiya Gao, Shuang Li
As a representative transition metal dichalcogenide, molybdenum disulfide (MoS2) has unique electronic, optical, and mechanical properties that exhibit advantages in the construction of biosensing interfaces. In this study, we explored the construction of a MoS2-based aptamer sensor and investigated its application for high-precision detection of prostate specific antigen (PSA) in serum. Carboxyl group-modified
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A novel and intelligent molecularly imprinted enzymatic biosensor for biosensing of human serum albumin in the presence of gamma-globulin, and glucose as uncalibrated interference Sens. Bio-Sens. Res. Pub Date : 2023-09-16 Faramarz Jalili, Ali R. Jalalvand
Human serum albumin (HSA) is not electroactive, because the electroactive amino acids have been buried in its structure. Therefore, direct electrochemical determination of the HSA as the most abundant protein in human plasma cannot be performed. In this work, a novel electrochemical biosensor has been developed based on synthesis of dual templates molecularly imprinted polymers (DTMIPs) having trypsin
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Copper oxide nanocolumns for high-sensitive non-enzymatic glucose sensing Sens. Bio-Sens. Res. Pub Date : 2023-09-17 Amir R. Amirsoleimani, Hossein Siampour, Sara Abbasian, Garshasb Behmaneshi Rad, Ahmad Moshaii, Zahra Zaradshan
This paper presents a facile method to fabricate nanostructured copper-oxide (Cu2O/CuO) electrodes with columnar morphology for non-enzymatic glucose sensing. The electrodes were fabricated using a two-step method; first by producing Cu nanostructures through glancing angle deposition (GLAD), followed by a thermal annealing process at various temperatures. The nanostructures were characterized by X-ray
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Canopy detection beyond the field: Colored backgrounds impact precision of Canopeo Sens. Bio-Sens. Res. Pub Date : 2023-09-09 Gabriella A. Hale, Robert D. Cox, Glen Ritchie
The development of Canopeo as a close-range remote sensor for measuring ground cover fraction (GCF) offered farmers and scientists an accurate, simple, low-cost tool for monitoring health and development throughout the plant lifecycle. However, a significant obstacle to image-based monitoring of plant performance is the difficulty of object distinction between plant and background sharing similar colors
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A gold nanoparticle colorimetric probe-based biosensor for rapid detection of VIM-2 and IMP-1 metallo-beta lactamase genes Sens. Bio-Sens. Res. Pub Date : 2023-09-11 Sepide Kadivarian, Sara Kooti, Hossein Ahmadpour_Yazdi, Ramin Abiri, Mosayeb Rostamian, Jale Moradi, Kambiz Varmira, Amirhooshang Alvandi
Despite actions to reduce the prevalence of antibiotic resistance, antibiotic resistance remains a major threat in the treatment and control of infections. Therefore, the development of rapid diagnostic methods plays a significant role in the detection of antibiotic resistance genes and the management of hospital infections. This study aimed to design and develop a gold nanoparticle colorimetric probe-based
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Development of a new electrochemical sensor based on nafion/cobalt doped bismuth ferrite nanoparticle modified glassy carbon electrode for detection of hydrogen peroxide Sens. Bio-Sens. Res. Pub Date : 2023-09-11 Dagim Alemayehu, Zelalem Bitew, Yonas Beyene Yohannes
In this study, a simple, ultrasensitive nafion/Co doped BFO/GCE sensor was developed for the electrochemical detection of Hydrogen Peroxide. X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) and Brunauer– Emmett-Teller (BET) were used for morphological characterizations of the synthesized cobalt doped bismuth ferrite nanoparticles. The electrochemical behaviors of nafion/Co doped
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An asymmetric slotted structured twin core photonic crystal fiber based highly sensitive surface plasmon resonance refractive index biosensor Sens. Bio-Sens. Res. Pub Date : 2023-08-15 Md. Sen Bin Mustafiz, Md. Arafat Rahman, Tanvir Ahmed
A butterfly-shaped core photonic crystal fibers with less asymmetric rectangular and circular air holes are proposed, and their properties are numerically analyzed. The sensor construction is reduced to only seven air holes and uses surface plasmons stimulated inside gold (Au) strips for simplicity in manufacture and high sensitivity. Gold is employed as an effective plasmonic metal throughout this
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Thioglycolic acid-capped gold nanoparticle/cytochrome P450-2E1 electrochemical biosensor for isoniazid Sens. Bio-Sens. Res. Pub Date : 2023-08-15 Ziyanda Zamaswazi Tshobeni, Jaymi Leigh January, Nokwanda Precious Pearl Ngema, Abongile Nwabisa Jijana, Emmanuel Iheanyichukwu Iwuoha, Takalani Mulaudzi, Samantha Fiona Douman, Rachel Fanelwa Ajayi
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Recent advanced carbon dots derived natural products and aptasensor-based carbon dots for detection of pesticides Sens. Bio-Sens. Res. Pub Date : 2023-08-18 Sriati Wahyudi, Ayi Bahtiar, Camellia Panatarani,
Carbon dots (CDs) have gained a lot of attention and have been investigated extensively over the last decade due to their exceptional physical and chemical qualities including water solubility, low toxicity, biocompatibility, tiny size, fluorescence, and simplicity of modification. The employment of more ecologically friendly technologies to prepare high-quality CDs remains a challenge. The use of
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Gold coated surface plasmon resonance based biosensor: An hexagonal photonic crystal Fiber platform Sens. Bio-Sens. Res. Pub Date : 2023-08-15 G.K.M. Hasanuzzaman, Tubassir Muhammad Sakib, Alok Kumar Paul
We numerically analyze a dual-core gold coated photonic crystal fiber (PCF) biosensor based on surface plasmon resonance that can be used for remote sensing applications in place of the traditional prism-based biosensor. Chemically stable active plasmonic material gold (Au) are positioned outside the fiber structure as a sensing layer to facilitate the construction of the sensor. From finite element
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Multi-physics simulations and experimental comparisons for the optical and electrical forces acting on a silica nanoparticle trapped by a double-nanohole plasmonic nanopore sensor Sens. Bio-Sens. Res. Pub Date : 2023-08-11 Homayoun Asadzadeh, Scott Renkes, MinJun Kim, George Alexandrakis
Bimodal optical-electrical data generated when a 20 nm diameter silica (SiO2) nanoparticle was trapped by a plasmonic nanopore sensor were simulated using Multiphysics COMSOL and compared with sensor measurements for closely matching experimental parameters. The nanosensor, employed self-induced back action (SIBA) to optically trap nanoparticles in the center of a double nanohole (DNH) structure on
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Simulation of low loss metamaterial based hollow core fiber for guiding mid-infrared (MIR) light Sens. Bio-Sens. Res. Pub Date : 2023-08-09 Jannatul Ambia Akhi, Md Rejvi Kaysir, Md Jahirul Islam
There is a great deal of interest in mid-infrared (MIR) light in diverse fields including spectroscopy, biomedical-applications, medical surgery, and astronomy. Due to higher material absorption, MIR light transmission is generally more difficult than visible light or microwave radiation. Recently, hollow-core MIR fibers are one of the best possibilities among presented several innovations having low
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Synthesis and characterization of metabolite-nanoparticle conjugates for use in metabolite biosensor systems Sens. Bio-Sens. Res. Pub Date : 2023-08-09 Yeganeh Khaniani, Ashley Zubkowski, Payton LeBlanc, Varun Aggarwal, Irene Chen, Angela Chan, Sajjad Janfaza, Scott MacKay, Prashanthi Kovur, Marcia LeVatte, David S. Wishart
Detecting specific metabolites and measuring their changing levels in various biofluids has played a key role in understanding health and diagnosing disease. While most metabolite measurements are performed via spectroscopic (colorimetric, UV, mass spectrometry-MS, nuclear magnetic resonance) methods, it is also possible to perform metabolite detection and quantification via metabolite-antibody interactions