Publications: Biosensors


Trypanosoma cruzi Virulence Factors for the Diagnosis of Chagas’ Disease

Publication year: 2019
Authors: Cecilia Yamil Chain,*,† Dênio Emanuel Pires Souto,*,‡ María Laura Sbaraglini,§ Carlos A. Labriola,∥ María Antonieta Daza Millone,† Eduardo Alejandro Ramirez,† José Sebastián Cisneros,† Constanza Lopez-Albizu,⊥ Karenina Scollo,⊥ Lauro T. Kubota,# Andrés Mariano Ruiz,⊥ and María Elena Vela†
Published in: ACS Infectious Diseases
trans-Sialidase and cruzipain are important virulence factors from Trypanosoma cruzi, the etiological agent of Chagas disease, that have highly antigenic domains in their structure and were reported as potential tools for diagnosis of the illness. [...]

Label-free lateral flow assay for Listeria monocytogenes by aptamer-gated release of signal molecules

Publication year: 2019
Authors: Tasbasi BB 1, Guner BC 1, Sudagidan M 1, Ucak S 2, Kavruk M3, Ozalp VC 4.
Published in: Analytical Biochemistry
Lateral flow assay (LFA) type of biosensors have been popular due to cost-effectiveness and easy-interpretation for instant results, most common examples of applications being pregnancy tests, food safety or medical diagnostics. There are several examples of reports with high sensitivity, including pre-concentration of the sample by magnetic pull-down. However, sensitivity and direct detection designs with aptamers has been a limiting factor for developing aptamers-based LFA assays. [...]

A highly specific and sensitive nanoimmunosensor for the diagnosis of neuromyelitis optica spectrum disorders

Publication year: 2019
Authors: Ariana de Souza Moraes 1,2,3, Doralina Guimarães Brum3,4, Jéssica Cristiane Magalhães Ierich 1,2,3, Akemi Martins Higa1,2,3, Amanda Stefanie Jabur Assis2,3, Celina Massumi Miyazaki2, Flávio Makoto Shimizu5, Luís Antonio Peroni 6, M. Teresa Machini7, Amilton Antunes Barreira8,9, Marystela Ferreira 2, Osvaldo N. Oliveira Jr.5 & Fabio Lima Leite2,3
Published in: Scientific Reports
A precise diagnosis for neuromyelitis optica spectrum disorders (NMOSD) is crucial to improve patients’ prognostic, which requires highly specific and sensitive tests. The cell-based assay with a sensitivity of 76% and specificity of 100% is the most recommended test to detect anti-aquaporin-4 antibodies (AQP4-Ab). [...]

The sensitive detection of ODAM by using sandwich-type biosensors with a cognate pair of aptamers for the early diagnosis of periodontal disease

Publication year: 2019
Authors: Lee B.H. 1, Kim S.H. 1, Ko Y. 2, Park J.C. 3, Ji S. 4, Gu M.B. 5
Published in: Biosensors and Bioelectronics, 2019, Vol. 126, p. 122-128
This research aims to develop biosensors which could diagnose periodontal diseases in early phases and predict the illness stage of patients, in order to give them adequate treatment timely. [...]

Analytical Model To Describe the Effect of Polyethylene Glycol on Ionic Screening of Analyte Charges in Transistor-Based Immunosensing

Publication year: 2019
Authors: Haustein N., Gutierrez-Sanz O., Tarasov. A
Published in: ACS Sensors, 2019, Vol. 4, Issue 4, p. 874-882
Recently, the co-immobilization of polyethylene glycol has improved sensor responses of transistor-based immunosensing by approximately three times. However, there is currently [...]

Antibody-mediated biorecognition of myelin oligodendrocyte glycoprotein: computational evidence of demyelination-related epitopes

Publication year: 2019
Authors: Ierich J.C.M. 1,2, Brum D.G. 3, Moraes A.S. 1,2, Higa A.M. 1,2, Garcia P.S. 1,2, Miyazaki C.M. 4, Ferreira M. 4, Peroni L.A. 5, Oliveira G.S. 6, Franca E.F. 6, Freitas L.C.G. 7, Leite F.L. 8
Published in: Scientific Reports, 2019, Vol. 9, Issue 1, p. 2033
Antigen-antibody interaction is crucial in autoimmune disease pathogenesis, as multiple sclerosis and neuromyelitis optica. Given that, autoantibodies are essential [...]

Use of a Branched Linker for Enhanced Biosensing Properties in IgG Detection from Mixed Chinese Hamster Ovary Cell Cultures

Publication year: 2019
Authors: Islam N. a,b, Gurgel P.V. a,c, Rojas O.J. a,d, Carbonell R.G. a,e
Published in: Bioconjugate Chemistry, 2019, Vol. 30, p. 815−825
Tris(2-aminoethyl)-amine (TREN), a branched amine, was coupled to planar surfaces of alkanethiol self-assembled monolayers (SAMs) to increase [...]

In Silico Discovery and Validation of Neuropeptide-Y-Binding Peptides for Sensors

Publication year: 2019
Authors: Xiao X. 1, Kuang Z. 2, Burke B. J. 2, Chushak Y. 2, Farmer B.L. 2, Mirau P.A 2.*, Naik R.P. 2, Hall C.K.*1
Published in: The Journal of Physical Chemistry B, 2020, Vol. 124, 1, p. 61–68
Wearable sensors for human health, performance, and state monitoring, which have a linear response to the binding of biomarkers found in sweat, saliva, or urine, are of current interest for many applications. A critical part of any device is a biological recognition element (BRE) that is able to bind a biomarker at the surface of a sensor with a high affinity and selectivity to produce a measurable signal response.[...]

Maleic anhydride and acetylene plasma copolymer surfaces for SPR immunosensing

Publication year: 2019
Authors: Makhneva E. 1,2, Farka Z. 3, Pastucha M. 4,5, Obrusník A. 1,2, Horáčková V. 4, Skládal P. 4,5, Zajíčková L. 1,2
Published in: Analytical and Bioanalytical Chemisry, 2019
We report on the successful application of carboxyl-rich plasma polymerized (PP) films as a matrix layer for bioreceptor immobilization in surface plasmon resonance (SPR) immunosensing. Composition and [...]

Development of a surface plasmon resonance sensor for coupling to capillary electrophoresis allowing affinity assessment of protein mixture components

Publication year: 2018
Authors: Domínguez-Vega E. a, Haselberg R. a, van Iperen D. b, Kool J. a, Somsen G.W. a, de Jong G.J. c
Published in: Sensors and Actuators B: Chemical, 2018, Vol. 254, p. 1040-1047
Surface plasmon resonance (SPR) currently is the major platform to study protein–protein interactions, but it lacks the selectivity o distinguish between binding components within one sample. [...]

Advancing Peptide-Based Biorecognition Elements for Biosensors Using In-Silico Evolution

Publication year: 2018
Authors: Xiao X. 1, Kuang Z. 2, Slocik J.M. 2, Tadepalli S. 4, Brothers M. 3, Kim S. 3, Mirau P.A. 2, Butkus C. 2, Farmer B.L. 2, Singamaneni S. 4, Hall C.K. 1, Naik R.R. 3
Published in: ACS Sensors, 2018, Vol. 3, Issue 5, p. 1024–1031
Sensors for human health and performance monitoring require biological recognition elements (BREs) at device interfaces for the detection of key molecular biomarkers that are measurable biological state indicators. [...]

Target-triggering multiple-cycle signal amplification strategy for ultrasensitive detection of DNA based on QCM and SPR

Publication year: 2018
Authors: Song W. 1, Guo X. 1, Sun W. 2, Yin W. 1, He P. 1, Yang X. 1, Zhang X. 3
Published in: Analytical Biochemisry, 2018, p. 57-61
Detection of ultralow concentrations of nucleic acid sequences is a central challenge in the early diagnosis of genetic diseases. Herein, we developed a target-triggering cascade multiple cycle amplification for ultrasensitive DNA detection using [...]

Cascading reaction of arginase and urease on a graphene-based FET for ultrasensitive, real-time detection of arginine

Publication year: 2018
Authors: Berninger T. a, Bliem C. a, Piccinini E. b, Azzaroni O. b, Knoll W. a
Published in: Biosensors and Bioelectronics, 2018, Vol. 115, p. 104-110
Herein, a biosensor based on a reduced graphene oxide field effect transistor (rGO-FET) functionalized with the cascading enzymes arginase and urease was developed for the detection of L-arginine. Arginase [...]

Cyclopropylamine plasma polymer surfaces for label-free SPR and QCM immunosensing of Salmonella

Publication year: 2018
Authors: Makhneva E. a, b, Farka Z. c, Skladal P. c, d, Zajickova L. a,b
Published in: Sensors and Actuators B: Chemical, 2018
We report on the first successful application of nitrogen-containing functional surfaces prepared by plasma polymerization in surface plasmon resonance (SPR) immunosensing. The plasma polymers (PPs) [...]

Improved glucose label-free biosensor with layer-by-layer architecture and conducting polymer poly(3,4-ethylenedioxythiophene)

Publication year: 2018
Authors: David M. a, b, Barsan M. M. a, Brett M.A.C. a, Florescu M. b
Published in: Sensors and Actuators B, 2018, Vol. 22, Issue 3, p. 3227-3234
Layer-by-layer (LbL) self-assembly has been used for the development of a new glucose label-free biosensor. Glucose oxidase (GOx) was incorporated in a multilayer film on a gold electrode, previously modified [...]

Urea and creatinine detection on nano-laminated gold thin film using Kretschmann-based surface plasmon resonance biosensor

Publication year: 2018
Authors: Menon P.S., Said F.A., Mei G.S., Berhanuddin D.D., Umar A.A., Shaari S., Majlis B.Y.
Published in: PLoS One, 2018, Vol. 13 (7)
This work investigates the surface plasmon resonance (SPR) response of 50-nm thick nano-laminated gold film using Kretschmann-based biosensing for detection of urea [...]

Two-dimensional label-free affinity analysis of tumor-specific CD8 T cells with a biomimetic plasmonic sensor

Publication year: 2018
Authors: Soler M. 1, Li X. 1, John-Herpin A. 1, Schmidt J. 2, Coukos G. 2, Altug H. 1
Published in: ACS Sensors, 2018
The screening and analysis of T cells functional avidity for specific tumor-associated antigens is crucial for the development of personalized immunotherapies against cancer. The affinity [...]

Enzyme Multilayers on Graphene-Based FETs for Biosensing Applications

Publication year: 2018
Authors: Bliem C. a, Piccinini E. b, Knoll W. a, Azzaroni O. b
Published in: Methods in Enzymology, 2018, Vol. 609, p. 23-46
Electrochemical sensors represent a powerful tool for real-time measurement of a variety of analytes of much significance to different areas, ranging from clinical diagnostics to food technology. [...]

Angular scanning and variable wavelength surface plasmon resonance allowing free sensor surface selection for optimum material- and bio-sensing

Publication year: 2018
Authors: Lakayan D. a, b, Tuppurainen J. c, d, Albers M. c, d, van Lint M. J. e, van Iperen D. J. f, Weda J. J. A. g, Kuncova-Kallio J. c, d, Somsen G. W. a, Kool J. a
Published in: Sensors and Actuators B: Chemical, Vol. 259, 15, 2018, p. 972–979
A variable-wavelength Kretschmann configuration surface plasmon resonance (SPR) apparatus with angle scanning is presented. The setup provides the possibility of [...]

Stable, nanometer‐thick oxygen‐containing plasma polymer films suited for enhanced biosensing

Publication year: 2018
Authors: Hegeman D. 1, Indutnyi I. 2, Zajickova L. 3,4, Makhneva E. 3,4, Farka Z. 3, Ushenin Y. 2, Vandenbossche M. 1
Published in: Plasma Processes and Polymers, 2018, e1800090
Stable surface functionalization is required in many applications such as in biosensing. For this purpose, hydrocarbon‐based plasma polymer films (PPFs) were investigated by controlling cross‐linking [...]