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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 [...]

“Click” access to multilayer functionalized Au surface: A terpyridine patterning example

Publication year: 2017
Authors: F.A. Martin a, D. Marconi a, S. Neamtu a, T. Radu a, M. Florescu b, R. Turcu a, C. Lar c, N.D. Hădade c, I. Grosu c, I. Turcu a
Published in: Materials Science and Engineering: C, 2017, Vol. 75, p. 1343–1350
This work is focused on self-assembled monolayers (SAMs) fabrication, using two types of Au surfaces, by subsequent attachment of different layers in order to develop [...]

Endothelial cells' biophysical, biochemical, and chromosomal aberrancies in high ‐ glucose condition within the diabetic range

Publication year: 2017
Authors: Rezabakhsh A. 1,2, Nabat E. 2,3, Yousefi M. 4, Montazersaheb S. 2,5, Cheraghi O. 6, Mehdizadeh A. 7, Fathi F.8, Movassaghpour A.A. 9, Maleki-DIzaji N. 10, Rahbarghazi R. 2,11, Garjani A. 1,2,10
Published in: Cell Biochemistry & Function, 2017, p. 1-15
To date, many studies have been conducted to find out the underlying mechanisms of hyperglycemia-induced complications in diabetes mellitus, attributed to the cellular pathologies of different cells[...]

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 [...]

Protein Adsorption Tailors the Surface Energies and Compatibility between Polylactide and Cellulose Nanofibrils

Publication year: 2017
Authors: A. Khakalo 1, I. Filpponen 1,2, O.J. Rojas 1,3
Published in: Biomacromolecules, 2017, Vol. 18 (4), p. 1426–1433
The state of dispersion and the interactions between a polymer and a filler in a nanocomposite crucially define its properties and performance.The affinity of polylactide (PLA) [...]

Kinetic and thermodynamic study of bovine serum albumin interaction with rifampicin using surface plasmon resonance and molecular docking methods

Publication year: 2017
Authors: Sharifi M. 1, Dolatabadi J.E. 2, Fathi F. 3, Rashidi M. 2, Jafari B. 4, Tajalli H. 1, Rashidi M.R. 2
Published in: Journal of Biomedical Optics, 2017, Vol. 22(3), p.
The interaction of bovine serum albumin (BSA) with various drugs, such as antibiotics, due to the importance of BSA in drug delivery has attracted increasing research attention at present. [...]

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 [...]

Investigation of graphene-on-metal substrates for SPR-based sensor using finite-difference time domain

Publication year: 2017
Authors: Said F. A. 1, Menon P. S. 1, Rajendran V. 2, Shaari S. 1, Majlis B. Y. 1
Published in: IET Nanobiotechnology, 2017, Vol. 11, Issue 8, p. 981 – 986
In this study, the authors investigated the effects of a single layer graphene as a coating layer on top of metal thin films such as silver, gold, aluminum and copper using finite-difference time domain method. [...]

Bovine Serum Albumin Adsorption at a Silica Surface Explored by Simulation and Experiment

Publication year: 2017
Authors: Kubiak-Ossovska K. 1, Tokarczyk K. 2, Jachimska B. 2, Mulheran A.P. 1
Published in: Journal of Physical Chemistry B, 2017, Vol. 121 (16), p. 3975–3986
Molecular details of BSA adsorption on a silica surface are revealed by fully atomistic molecular dynamics (MD) simulations (with a 0.5 μs trajectory), supported by dynamic light scattering (DLS), zeta potential, [...]

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 [...]

Layer-by-layer assemblies of highly connected polyelectrolyte capped-Pt nanoparticles for electrocatalysis of hydrogen evolution reaction

Publication year: 2017
Authors: Fenoy G.E. a, b, Maza E. a, c, Zelaya E. d, Marmisollé W.A. a, Azzaroni O. a
Published in: Applied Surface Science, 2017, Vol. 416, p. 24–32
Herein we present a simple one-step method to produce polyelectrolyte-capped Pt nanoparticles able to be assembled into layer-by-layer arrays [...]

Surface Plasmon Resonance for Measuring Exocytosis from Populations of PC12 Cells: Mechanisms of Signal Formation and Assessment of Analytical Capabilities

Publication year: 2017
Authors: Moreira B. 1, Tuoriniemi J. 1, Kouchak Pour N. 1, Mihalčíková L.1, Safina G. 1,2
Published in: Analytical Chemistry, 2017, Vol. 89 (5), p. 3069–3077
Because of cell to cell variation, it is difficult to obtain statistically significant data on the frequency of exocytosis events (Rexocytosis, t–1 m–2) with traditional single cell electrophysiological [...]

Characterization of IFN-γ Detection and Electrochemical Proximity Assay by a Novel Multi-Parametric/Multimodal Spectroscopy Apparatus

Publication year: 2017
Authors: Zhou L., Chin B. A., Simonian A. L.*
Published in: ECS Transactions, 2017, Vol. 80, Issue 10, p. 1565-1570
Functional interfaces play a vital role in biosensing, which requires proper allocation, orientation, conformation, activities and stability to achieve high affinity and stability of the biomolecules. However, the characterization [...]

Effect of Lipoxygenase Oxidation on Surface Deposition of Unsaturated Fatty Acids

Publication year: 2017
Authors: Tayeb A.H.1, Hubbe M.A.1, Zhang Y. 2 , Rojas O.J. 1,3
Published in: Langmuir, 2017, Vol. 33 (18), p. 4559–4566
We studied the interactions of lipid molecules (linoleic acid, glycerol trilinoleate and a complex mixture of wood extractives) with hydrophilic and hydrophobic surfaces (cellulose nanofibrils (CNFs) [...]

Breast Cancer Targeting Peptide Binds Keratin 1: A New Molecular Marker for Targeted Drug Delivery to Breast Cancer

Publication year: 2017
Authors: Soudy R. 1,2,5, Etayash H. 1, Bahadorani K.1, Lavasanifar A. 1,3, Kaur K. 1,4
Published in: Molecular Pharmaceutics, 2017, Vol. 14 (3), p. 593–604
The biomarkers or receptors expressed on cancer cells and the targeting ligands with high binding affinity for biomarkers play a key role in early detection and treatment of breast cancer. [...]

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) [...]

Quantitative interpretation of PAMAM dendrimers adsorption on silica surface

Publication year: 2017
Authors: Tokarczyk K., Jachimska B
Published in: Journal of Colloid and Interface Science, 2017 Vol. 503, p. 86-94
Understanding the dendrimer-solid support interaction is of great importance for dendrimer-based drug delivery system design. The maximum surface coverage on a hydrophilic silica surface was determined using [...]

Targeting Tumor-Associated Exosomes with Integrin-Binding Peptides

Publication year: 2017
Authors: Carney R.P. 1, Hazari S. 1, Rojalin T. 2,3, Knudson A. 1, Gao T. 3,4, Tang Y. 3,4, Liu R. 1, Viitala T. 5, Yliperttula M. 5,6, Lam K.S. 1,7
Published in: Advanced Biosystems, 2017, Vol. 1 (5), p. 1600038
All cells expel a variety of nanosized extracellular vesicles (EVs), including exosomes, with composition reflecting the cells' biological state. Cancer pathology is dramatically mediated by EV trafficking [...]

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, [...]

Lignin Films from Spruce, Eucalyptus, and Wheat Straw Studied with Electroacoustic and Optical Sensors: Effect of Composition and Electrostatic Screening on Enzyme Binding

Publication year: 2017
Authors: Pereira A. 1,2, Hoeger I.C. 2, Ferrer A. 2 , Rencoret J. 1, del Rio J.C. 1, Kruus K. 3§, Rahikainen J. 3, Kellock M. 3, Gutiérrez A. 1, Rojas O.J. 2,4
Published in: Biomacromolecules, 2017, Vol. 18 (4), p. 1322–1332
Lignins were isolated from spruce, wheat straw, and eucalyptus by using the milled wood lignin (MWL) method. Functional groups and compositional analyses were assessed [...]