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Effect of Ionic Strength and Surface Charge Density on the Kinetics of Cellulose Nanocrystal Thin Film Swelling

Publication year: 2017
Authors: Reid M.S. 1, Kedzior S.A. 1, Villalobos M. 2, Cranston E.D. 1
Published in: Langmuir, 2017, Vol. 33 (30), p. 7403–7411
This work explores cellulose nanocrystal (CNC) thin films (<50 nm) and particle–particle interactions by investigating film swelling in aqueous solutions with varying ionic strength [...]

How Bound and Free Fatty Acids in Cellulose Films Impact Nonspecific Protein Adsorption

Publication year: 2017
Authors: Niegelhell K. a, Suessenbacher M. b, Sattelkow J. c, Plank H. c, Wang Y. d, Zhang K. d, Spirk S. a
Published in: Biomacromolecules, 2017, Vol. 18 (12), p. 4224–4231
The effect of fatty acids and fatty acid esters to impair nonspecific protein adsorption on cellulose thin films is investigated. Thin films are prepared by blending trimethylsilyl cellulose solutions with either cellulose stearoyl ester [...]

Angiogenic and Restorative Abilities of Human Mesenchymal Stem Cells Were Reduced Following Treatment With Serum From Diabetes Mellitus Type 2 Patients

Publication year: 2017
Authors: Rezaie J. 1, Mehranjani M.S. 1, Rahbarghazi R. 2,3, Shariatzadeh M.A. 1
Published in: Journal of Cellular Biochemistry, 2017, 9999, p. 1-12
This experiment investigated the impact of serum from patients with type 2 diabetes mellitus on the angiogenic behavior of human mesenchymal stem cells in vitro. Changes in the level [...]

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 [...]

New Approach for Thickness Determination of Solution-Deposited Graphene Thin Films

Publication year: 2017
Authors: Jussila H. 1,2, Albrow-Owen T. 1, Yang H. 2, Hu G. 1, Aksimsek S. 2,3, Granqvist N. 4, Lipsanen H. 2, Howe R.C.T. 1, Sun Z. 2, Hasan T. 1
Published in: ACS Omega, 2017, Vol. 2 (6), p. 2630–2638
Solution processing-based fabrication techniques such as liquid phase exfoliation may enable economically feasible utilization of graphene and related nanomaterials in real-world devices in the near future. [...]

Glycotriazole-peptides derived from the peptide HSP1: synergistic effect of triazole and saccharide rings on the antifungal activity

Publication year: 2017
Authors: Junior E.F.C. 1, Guimarães C.F.R.C. 2, Franco L.L. 3, Alves R.J. 3, Kato K.C. 4, Martins H.R. 4, de Souza Filho J.D. 2, Bemquerer M.P. 5, Munhoz V.H.O. 6, Resende J.M. 2, Verly R.M. 7
Published in: Amino Acids, 2017, Vol. 49(8), p. 1389-1400
This work proposes a strategy that uses solid-phase peptide synthesis associated with copper(I)-catalyzed azide alkyne cycloaddition reaction to promote the glycosylation of an antimicrobial peptide (HSP1) [...]

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) [...]

Surface plasmon resonance and molecular docking studies of bovine serum albumin interaction with neomycin: kinetic and thermodynamic analysis

Publication year: 2017
Authors: Sharifi M. 1, Dolatabadi J.E.N. 2, Fathi F. 2,3, Zakariazadeh M. 4, Barzegar A. 4, Rashidi M. 2, Tajalli H. 1, Rashidi M.-R. 2
Published in: BioImpacts, 2017, Vol. 7(2), p. 91–97
Introduction: The interactions between biomacromolecules such as serum albumin (SA) and various drugs have attracted increasing research attention in recent years. [...]

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 [...]

Interaction of industrially relevant cationic starches with cellulose

Publication year: 2017
Authors: Niegelhell K. a, b, Chemelli A. c, Hobisch J. d, Griesser T. e, Reiter H. b, f, Hirn U. a, f, Spirk S. a, b
Published in: Carbohydrate Polymers, Vol. 179, 2018, p. 290-296
Industrially relevant, commercially available cationic starches have been investigated towards their interaction capacity with cellulose thin films derived from trimethylsilyl cellulose (TMSC). The starches used in this study [...]

Interaction of Solid Lipid Nanoparticles and Specific Proteins of the Corona Studied by Surface Plasmon Resonance

Publication year: 2017
Authors: Mauricio E. Di Ianni 1, Germán A. Islan 2, Cecilia Y. Chain 3, Guillermo R. Castro 2, Alan Talevi 1, María E. Vela 3
Published in: Journal of Nanomaterials, Vol. 2017, 11 pages
The applications of pharmaceutical and medical nanosystems are among the most intensively investigated fields in nanotechnology. A relevant point to be considered in the design and development [...]

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. [...]

The effect of chemical additives on the strength, stiffness and elongation potential of paper

Publication year: 2017
Authors: Strand A. c, Khakalo A. a, Kouko J. b, Oksanen A. b, Ketola A. b, Salminen K. b, Rojas O. a, Retulainen E. b, Sundberg A. c
Published in: Nordic Pulp & Paper Research Journal, 2017, Vol. 32 No. 3, p. 324-335
The effects of wet-end additions of cationic starches and/or carboxymethyl cellulose (CMC) on paper properties was determined by papermaking trials. The aim of this study was to mitigate the distinctive decrease in strength [...]

Surfaces Mimicking Glycosaminoglycans Trigger Different Response of Stem Cells via Distinct Fibronectin Adsorption and Reorganization

Publication year: 2016
Authors: Araújo A.R. 1,2, Soares da Costa D. 1,2, Amorim S. 1.2, Reis R.L. 1,2, Pires R.A. 1,2 Pashkuleva I. 1,2
Published in: ACS Applied Materials & Interfaces, 2016, Vol. 8 (42), p. 28428–28436
We report on the utility of a platform created by self-assembled monolayers to investigate the influence of the degree of sulfation of glycosaminoglycans (GAGs) on their interactions with fibronectin (Fn) and the impact [...]

Amine-appended polyaniline as a water dispersible electroactive polyelectrolyte and its integration into functional self-assembled multilayers

Publication year: 2016
Authors: Waldemar A. Marmisollé a, Eliana Mazaa b, Sergio Moya b, Omar Azzaroni a
Published in: Electrochimica Acta, 2016, Vol. 210, p. 435–444
We present an effective and simple method for the synthesis of poly(3-aminobenzylamine) (PABA) using a chemical oxidation strategy in aqueous solution. The polymer was characterized by NMR, LDI-TOF mass spectrometry, UV-visible, XPS and ATR-FTIR spectroscopies. [...]

Using electrochemical surface plasmon resonance for in-situ kinetic investigations of solid electrolyte interphase formation in lithium ion battery

Publication year: 2016
Authors: Pradanawati S.A. a, Wang F.-M. a, b, Su Ch.-H. c
Published in: Journal of Power Sources, Vol. 330, 2016, p. 127–131
The solid electrolyte interphase (SEI) significantly affects the energy density and safety performance of lithium ion batteries. Previous studies have shown that conventional analyses cannot characterize the real-time [...]

Lignocellulosic Materials and their Interactions with Proteins and Surface Active Molecules

Publication year: 2016
Authors: Fritz C.
Published in: Doctoral dissertation, North Carolina State University
Lignocellulosic biomass is a highly valuable resource for the development of value-added biobased chemicals and other materials. However, the efficient utilization of this biomass regards on understanding the different interactions [...]

Enzymes as Biodevelopers for Nano- And Micropatterned Bicomponent Biopolymer Thin Films

Publication year: 2016
Authors: Niegelhell K. 1, Süßenbacher M. 1, Jammernegg K. 1, Ganner T. 2, Schwendenwein D. 3, Schwab H. 3, Stelzer F. 1, Plank H. 2, Spirk S. 1,4
Published in: Biomacromolecules, 2016, Vol. 17 (11), p. 3743–3749
The creation of nano- and micropatterned polymer films is a crucial step for innumerous applications in science and technology. However, there are several problems associated with environmental aspects concerning the polymer synthesis itself, cross-linkers to induce the patterns as well as toxic solvents [...]

Optimization of lipodisk properties by modification of the extent and density of the PEG corona

Publication year: 2016
Authors: Zetterberg M.M. 1, Ahlgren S. 1, Agmo Hernández V. 1, Parveen N. 2, Edwards K. 1
Published in: Journal of Colloid and Interface Science, Vol. 484 (2016), p. 86–96
Lipodisks are nanosized flat, circular, phospholipid bilayers that are edge-stabilized by polyethylene glycol-conjugated lipids (PEG-lipids). Over the last decade, lipodisks stabilized [...]