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Design and evaluation of a multiplexed angular-scanning surface plasmon resonance system employing line-laser optics and CCD detection in combination with multi-ligand sensor chips

Publication year: 2019
Authors: Lakayan D. a, Tuppurainen J. c, Suutari T.E. a,d, van Iperen D.J. e, Somsen G.W. a, Kool J. a
Published in: Sensors and Actuators B: Chemical, 2019, Vol. 282, p. 243-250
An angle-scanning Kretschmann configuration SPR instrument allowing multiplexed analysis is presented. Laser light was guided through optics that converted the collimated light into a line-shaped beam, which was [...]

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 [...]

Antimicrobial alumina nanobiostructures of disulfide- and triazole-linked peptides: Synthesis, characterization, membrane interactions and biological activity

Publication year: 2019
Authors: Torres L.M.F.C. a, Almeida M.T. a, Santos T.L. a, Marinho L.E.S. a, de Mesquita J.P. a, da Silva L.M. a, dos Santos W.T.P. b, Martins H.R. b, Kato K.C. b, Alves E.S.F. c, Liao L.M. c, .de Magalhães M.T.Q d, de Mendonça F.G. e, Pereira F.V. e, Resende J.M. e, Bemquerer M.P. f, Rodrigues M.A. g, Verly R.M. a
Published in: Colloids and Surfaces B: Biointerfaces , 2019, Vol. 177, p. 94-104
Due to the its physical-chemical properties, alumina nanoparticles have potential applications in several areas, such as nanobiomaterials [...]

Self-assembled hybrid nanocomposite films of carbon dots and hydrolyzed collagen

Publication year: 2019
Authors: da Pinto T.S. a, Rodrigues P.N.S. a, Marinho L.E.S. a, Verly R.M. a, Bretas Roa J.P. 1, de Oliveira L.C.Z. b, Pereira F.V. b, de Magalhaes M.T.Q. c,d, de Mesquita J.P. a
Published in: Materials Chemistry and Physics, 2019, Vol. 230, p. 44-53
In the present work, hydrophilic carbon dots (CD) prepared by cotton cellulose were used in the building of self-assembled films with hydrolyzed collagen (CL) to verify [...]

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 [...]

Enzyme Immobilization in Polyelectrolyte Brushes: High Loading and Enhanced Activity Compared to Monolayers

Publication year: 2019
Authors: del Castillo G.F-D. a, Koenig M. b, Mueller M. b, d, Eichhorn K.-J. b, Stamm M. b,d, Uhlmann P. b,c, Dahlin A. a
Published in: Langmuir, 2019, Vol. 35, p. 3479-3489
Catalysis by enzymes on surfaces has many applications. However, strategies for efficient enzyme immobilization with preserved activity are still in need of further development. [...]

ORP2 interacts with phosphoinositides and controls the subcellular distribution of cholesterol

Publication year: 2019
Authors: Koponen A. a, Arora A. a, Takahashi K. b, Kentala H. a, Kivelä A.M. a, Jääskeläinen E. a, Peränen J. b, Somerharju P. c, Ikonen E. b, Viitala T. d, Olkkonen V.M. a,b
Published in: Biochimie, 2019, Vol. 158, p. 90-101
ORP2 is a sterol-binding protein with documented functions in lipid and glucose metabolism, Akt signaling, steroidogenesis, cell adhesion, migration and proliferation. [...]

Continuous assembly of supramolecular polyamine–phosphate networks on surfaces: preparation and permeability properties of nanofilms

Publication year: 2019
Authors: Agazzi M.L. a, Herrera S.E. a, Cortez M.L. a, Marmisollé W.A. a, von Bilderling C. a,b, Pietrasanta L.I. b,c, Azzaroni O. *a
Published in: Soft Matter, 2019, 15, p. 1640-1650
Supramolecular self-assembly of molecular building blocks represents a powerful “nanoarchitectonic” tool to create new functional materials with molecular-level feature control. Here, we propose [...]

Spin coated chitin films for biosensors and its analysis are dependent on chitin-surface interactions

Publication year: 2018
Authors: Casteleijn M. G. a, Richardson D. a, Parkkila P. a, Granqvist N. b, Urtti A. a, c, Viitala T. a
Published in: Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2018, Vol. 539, p. 261-272
Chitin, abundant in nature, is a renewable resource with many possible applications in bioengineering. Biosensors, capable of label-free and in-line evaluation, play an important role in the investigation of [...]

Generation and validation of murine monoclonal and camelid recombinant single domain antibodies specific for human pancreatic glycoprotein 2

Publication year: 2018
Authors: Schlör A. a, Holzlöhner P. a, Listek M. a, Griess C. a, Butze M. a, Micheel B. a, Hentschel Ch. b, Sowa M. b, Roggenbuck D. b,c, Schierack P. c, Füner J. d, Schliebs E. d, Goihl A. e, Reinhold D. e, Hanack K. a
Published in: New Biotechnology, 2018
Pancreatic secretory zymogen-granule membrane glycoprotein 2 (GP2) has been identified as a major autoantigenic target in Crohn’s disease patients. It was reported recently that a long (GP2a) and a short (GP2b) isoform [...]

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 [...]

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 [...]

Label-free biosensors in the field of stem cell biology

Publication year: 2018
Authors: Fathi F. a, Rahbarghazi R. b, c, Rashidi M.-R. a, d
Published in: Biosensors and Bioelectronics, 2018, Vol. 101, p. 188-198
A great body of evidence unveiled the existence of different stem cell types in various tissues with efficient capability for self-renewal and differentiation. Characterization and enumeration [...]

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. [...]

Personalized Cancer Vaccine Platform for Clinically Relevant Oncolytic Enveloped Viruses

Publication year: 2018
Authors: Ylösmäki E. 1, Malorzo C. 1, Capasso C. 1, Honkasalo O. 1, Fusciello M. 1, Martins B. 1, Ylösmäki L. 1, Louna A. 2, Feola S. 1, Paavilainen H. 3, Peltonen K. 1, Hukkanen V. 3, Viitala T. 2, Cerullo V. 4
Published in: Moleuclar Theraphy, 2018, Vol. 9, p. 2315-2325
The approval of the first oncolytic virus for the treatment of metastatic melanoma and the compiling evidence that the use of oncolytic viruses can enhance cancer immunotherapies targeted [...]

Phase-segregated Membrane Model assessed by a combined SPR-AFM Approach

Publication year: 2018
Authors: Millone D.A.M. 1, Vázquez R.F. 1, Maté S.M. 2, Vela M.E. 3
Published in: Colloids and Surfaces B: Biointerfaces, 2018, Vol. 172, p. 423-429
Model biomembranes can provide valuable insights into the properties of complex biological membranes. Among several techniques, Surface Plasmon Resonance (SPR) provides [...]

Kinetic and thermodynamic studies of bovine serum albumin interaction with ascorbyl palmitate and ascorbyl stearate food additives using surface plasmon resonance

Publication year: 2018
Authors: Fathi F. a, Mohammadzadeh-Aghdash H. b, c, Sohrabi Y. b, c, Dehghan P. b, Ezzati J. N. D. a
Published in: Food Chemistry, 2018, Vol. 246, p.228-232
Ascorbyl palmitate (AP) and ascorbyl stearate (AS) are examples of food additives, which have extensive use in food industry. In this study, we evaluated the interaction of bovine serum albumin (BSA) with [...]

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 [...]