Publications: Biosensors

Recognition-driven assembly of self-limiting supramolecular protein nanoparticles displaying enzymatic activity

Publication year: 2015
Authors: Piccinini E. a, Pallarola D. a, Battaglini F. b, Azzaroni O. *a
Published in: Chemical Communications, 2015, Issue 79, p. 14754-7
We report the recognition-driven assembly of self-limiting protein nanoparticles displaying enzymatic activity. Solution self-assembly of concanavalin A lectin and glycoenzyme glucose oxidase leads to [...]

Label-free evaluation of carbon nanoparticles in Layer-by-Layer self-assembled enzyme-based biosensors

Publication year: 2017
Authors: David M. a, Florescu M. b, Barsan M. M. c, Brett M.A.C. c
Published in: Procedia Technology, Vo. 27, 2017, p. 304-305
The immobilization of biomolecules and the enhancement of the electron transfer are important factors regarding the performances of the enzyme-based biosensors. Layer-by-layer (LbL) strategies can be effectively used [...]

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

Publication year: 2017
Authors: David M. a, b, Barsan M. M. a, Brett M.A.C. a, Florescu M. b
Published in: Sensors and Actuators B, 2017
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 [...]

Electrochemical Proximity Assay of Platelet-Derived Growth Factor through Combined Surface Plasmon Resonance, Electrochemistry, and Fluorescence Spectroscopy Approach

Publication year: 2017
Authors: Zhou L. a, Chin B.A. a, Simonian A.L. b
Published in: ECS Translations, 2017, Vol. 77 (11), p. 1809-1814
Platelet-derived growth factor (PDGF) is a potential cancer marker, which plays an important role in early detection of cancers. Due to its trace amounts in blood sample, it is difficult to be detected. [...]

Ultrasensitive detection of nucleic acids and proteins using quartz crystal microbalance and surface plasmon resonance sensors based on target-triggering multiple signal amplification strategy

Publication year: 2017
Authors: Sun W. 1, Song W. 2, Guo X. 3, Wang Z. 1
Published in: Analytica Chimica Acta, 2017, Vol. 978, p. 42-47
In this study, quartz crystal microbalance (QCM) and surface plasmon resonance (SPR) sensors were combined with template enhanced hybridization processes (TEHP), rolling circle amplification (RCA) [...]

Graphene and graphene oxide for biosensing

Publication year: 2017
Authors: Kubesa O. 1, Horackova V. 2, Moravec Z. 2,3, Farka Z. 2, Skladal P. 1,2
Published in: Monatshefte für Chemie, 2017
Graphene-based nanomaterials attract large attention in electrochemistry due to their unique properties. Reliable method to modify electrodes by graphene is necessary to obtain desired improvement. In this work, [...]

Characterization of Covalently Bound Anti-Human Immunoglobulins on Self-Assembled Monolayer Modified Gold Electrodes

Publication year: 2017
Authors: Holzer B. 1, Manoli K. 1, Ditaranto N. 1,2, Macchia E. 1, Tiwari A. 1, Di Franco C. 3, Scamarcio G. 3,4, Palazzo G. 1,2, Torsi L. 1,2
Published in: Advanced Biosystems, 2017
Bioconjugated gold surfaces constitute interesting platforms for biosensing applications. The immobilization of antibodies such as anti-immunoglobulin G and M (anti-IgG and anti-IgM) [...]

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

Publication year: 2017
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, 2017, 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. [...]

Immuno-biosensor for Detection of CD20-Positive Cells Using Surface Plasmon Resonance

Publication year: 2017
Authors: Shanehbandi D. 1,2, Majidi J. 1, Kazemi T. 1,2, Baradaran B. 1, Aghebati-Maleki L. 1,2, Fathi F. 2,3, Ezzati Nazhad Dolatabadi J. 3
Published in: Advanced Pharmaceutical Bulletin, 2017, Vol. 7 (2), p.188-194
Purpose: Surface plasmon resonance (SPR) sensing confers a real-time assessment of molecular interactions between biomolecules and their ligands. This approach is highly sensitive [...]

Integration of Biorecognition Elements on PEDOT Platforms through Supramolecular Interactions

Publication year: 2017
Authors: Sappia L.D. 1,2, Piccinini E. 3, Marmisollé W. 3, Santilli N. 1, Maza E. 4, Moya S. 4, Battaglini F. 5, Madrid R.E. 1,2, Azzaroni O. 3
Published in: Advanced Materials Interfaces, 2017, 1700502
The rapidly emerging field of organic bioelectronics exploits the functional versatility of conducting polymers to transduce biological recognition events into electronic signals. For the majority of biosensors [...]

Detection of transferrin by using a surface plasmon resonance sensor functionalized with a boronic acid monolayer

Publication year: 2017
Authors: Yanchao Mayang 1,2, Xiwen He 1,2, Langxing Chen 1,2, Yukui Zhang 1,2,3
Published in: Microchimica Acta, 2017, Vol. 184 (8), p. 2749–2757
A surface plasmon resonance sensor whose surface has been modified with boronic acid groups was developed in order to bind and detect transferrin. 4-Mercaptophenylboronic acid (4-MPBA) was utilized [...]

Ionic strength-controlled hybridization and stability of hybrids of KRAS DNA single-nucleotides: A surface plasmon resonance study

Publication year: 2017
Authors: Giamblanco N. 1, Petralia S. 2, Conoci S. 3, Messineo C. 4, Marletta G. 4
Published in: Colloids and Surfaces B: Biointerfaces, 2017, Vol. 158, p. 41-46
The discrimination of a fully matched, unlabeled KRAS wild-type (WT) (C-G) target sample with respect to three of the most frequent KRAS codon mutations (G12 S (C-A), G12 R (C-C), G12C (C-T)) was investigated using an [...]

Early-stage detection of VE-cadherin during endothelial differentiation of human mesenchymal stem cells using SPR biosensor

Publication year: 2017
Authors: Fathi F. 1, Rezabakhsh A. 2, Rahbarghazi R. 3, Rashidi M.R. 4
Published in: Biosensors and Bioelectronics, 2017, Vol. 96, p. 358-366
Surface plasmon resonance (SPR) biosensors are most commonly applied for real-time dynamic analysis and measurement of interactions in bio-molecular studies and cell-surface analysis without the need for labeling processes. [...]

Surface plasmon resonance biosensor for enzymatic detection of small analytes

Publication year: 2017
Authors: Miyazaki C.M., Shimizu F.M., Mejía-Salazar J.R., Oliveira O.N., Ferreira M.
Published in: Nanotechnology, 2017, Vol. 28(14), p. 145501
Surface plasmon resonance (SPR) biosensing is based on the detection of small changes in the refractive index on a gold surface modified with molecular recognition materials, thus being mostly limited to detecting large molecules. [...]

Filaments with Affinity Binding and Wet Strength Can Be Achieved by Spinning Bifunctional Cellulose Nanofibrils

Publication year: 2017
Authors: Vuoriluoto M. 1, Orelma H. 1, Lundahl M. 1, Borghe M. 1, Rojas O.J.1,2,3
Published in: Biomacromolecules, 2017, Vol.18 (6), p. 1803–1813
We demonstrate benzophenone (BP) conjugation via amine-reactive esters onto oxidized cellulosic fibers that were used as precursors, after microfluidization, of photoactive cellulose nanofibrils (CNF). [...]

Rapid and Highly Sensitive Detection of Dopamine Using Conjugated Oxaborole-Based Polymer and Glycopolymer Systems

Publication year: 2017
Authors: Jiang K., Wang Y., Thaku G., Kotsuchibashi Y., Naicker S., Narain R., Thundat T.
Published in: ACS Applied Materials & Interfaces, 2017, Vol. 9 (18), p. 15225–15231
A conjugated polymer interface consisting of an oxaborole containing polymer and a glycopolymer was used for achieving very high selectivity in dopamine (DA) detection. [...]

A Surface Plasmon Resonance Histamine Sensor Based on an Electropolymerized Molecularly Imprinted Polymer (E-MIP)

Publication year: 2017
Authors: Frances Adeline D. Hubilla, Arvin I.Mabilangan, Rigoberto C. Advincula, Florian R. del Mundo
Published in: MATEC Web of Conferences, Vol. 95, 2017
In this paper, histamine sensing by surface plasmon resonance (SPR) spectroscopy using an electropolymerized molecularly imprinted polymer (E-MIP) of functionalized polyterthiophene and histamine is reported. [...]

HRP-Mimicking DNAzyme-Catalyzed in Situ Generation of Polyaniline To Assist Signal Amplification for Ultrasensitive Surface Plasmon Resonance Biosensing

Publication year: 2016
Authors: Haiyin Li, Jiafu Chang, Ting Hou, Feng Li
Published in: Analytical Chemistry, 2017, Vol. 89 (1), p. 673–680
It is well-known that the horseradish peroxidase- (HRP-) mimicking DNAzyme, namely, hemin/G-quadruplex, can effectively catalyze the polymerization of aniline to form DNA-guided polyaniline. [...]

Incorporation of gold nanoparticles into Langmuir-Blodgett films of polyaniline and montmorillonite for enhanced detection of metallic ions

Publication year: 2016
Authors: A. De Barros a, b, C.J.L. Constantino c, J.R.R. Bortoleto d, N.C. Da Cruz d, M. Ferreira b
Published in: Sensors and Actuators B: Chemical, Vol. 236, 2016, p. 408–417
We report on effects from incorporating gold nanoparticles (AuNPs) into Langmuir-Blodgett (LB) films of emeraldine salt polyaniline (PAni-ES) and organophilic montmorillonite clay (OMt). [...]

SPR Biosensing MUA/Poly-L-lysine Platform for the Detection of 2,4-Dinitrophenol as Small Molecule Model System

Publication year: 2016
Authors: Millone M.A.D. 1, Ramirez E.A. 1, Chain C.Y. 1, Crivaro A. 2, Romanin D. 2, Rumbo M. 2, Docena G. 2, Cocco M.D. 3, Pedano M.L. 3, Fainstein A. 3, Montoya J. 4, Vela M.E. 1, Salvarezza R.C. 1
Published in: Journal of Nanomaterials, Vol. 2016, Article ID 5432656, 9 p.
Surface Plasmon Resonance assays are being developed as alternative biodetection methods for a great number of pesticides and toxins. These substances typically have low molecular weight, [...]