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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 [...]

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

Publication year: 2017
Authors: Hubilla F.A.D., Mabilangan A.I., Advincula R.C., del Mundo F.R.
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. [...]

Surface plasmon resonance methodology for monitoring polymerization kinetics and morphology changes of brushes-evaluated with poly(N-isopropylacrylamide)

Publication year: 2017
Authors: G. Emilsson a, R.L. Schoch b, P. Oertle b, K. Xiong a, R.Y. H. Lim b, A.B. Dahlin a
Published in: Applied Surface Science, Vol. 396, p. 384-392
Polymerization from surfaces and the resulting “brushes” have many uses in the development of novel materials and functional interfaces. However, it is difficult to accurately monitor the polymerization rate, [...]

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 [...]

Binding Kinetics and Lateral Mobility of HSV-1 on End-Grafted Sulfated Glycosaminoglycans

Publication year: 2017
Authors: Peerboom N. 1, Block S. 2, Altgärde N. 1, Wahlsten O. 1, Möller S. 3, Schnabelrauch M. 3, Trybala E. 4, Bergström T. 4, Bally M. 5
Published in: Biophysics Journal, 2017, Vol. 113, Issue 6, p. 1223-1234
Many viruses, including herpes simplex (HSV), are recruited to their host cells via interaction between their envelope glycoproteins and cell-surface glycosaminoglycans (GAGs). This initial attachment [...]

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. [...]

Layer-by-layer self-assembly for carbon dots/chitosan-based multilayer: Morphology, thickness and molecular interactions

Publication year: 2017
Authors: T. da S.Pinto a, L.A. Alves a, G. de Azevedo Cardozo a, V.H.O. Munhoz a, R.M. Verly a, F.V. Pereira b, J.P. de Mesquita a
Published in: Materials Chemistry and Physics, Vol. 186 (2017), p. 81–89
Oxidized Carbon dots, prepared from the acid dehydration of cellulose, were used in the preparation of self-assembled films with the biopolymer chitosan. [...]

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 [...]

Differential Effect of Bilayer Thickness on Sticholysin Activity

Publication year: 2017
Authors: Palacios-Ortega J. 1, 2, García-Linares S. 1, 2, Rivera-de-Torre E. 1, Gavilanes J.G. 1, Martínez-del-Pozo A. 1, Slotte J.P. 2
Published in: Langmuir, 2017, Vol. 33 (41), p. 11018–11027
In this study, we examined the influence of bilayer thickness on the activity of the actinoporin toxins sticholysin I and II (StnI and StnII) at 25 °C. Bilayer thickness was varied using dimonounsaturated phosphatidylcholine (PC) analogues [...]

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). [...]

Interaction of Tissue Engineering Substrates with Serum Proteins and Its Influence on Human Primary Endothelial Cells

Publication year: 2017
Authors: Mohan T. 1, Niegelhell K. 2, Nagaraj C. 3,4, Reishofer D. 2,5, Spirk S. 2,5, Olschewski A. 3,4, Stana Kleinschek K. 5, Kargl R. 2,5
Published in: Biomacromolecules, 2017, Vol. 18 (2), p. 413–421
Polymer-based biomaterials particularly polycaprolactone (PCL) are one of the most promising substrates for tissue engineering.The surface chemistry of these materials plays a major role [...]

Oligomerization Alters Binding Affinity Between Amyloid Beta and a Modulator of Peptide Aggregation

Publication year: 2017
Authors: Hilt S. 1, Rojalin T. 2, 3, Viitala T. 3, Koivuniemi A.3, Bunker A. 3, Wachsmann-Hogiu S. 2, 4, Kálai T. 5, Hideg K. 5, Yliperttula M. 3, 6, Voss J. C. 1
Published in: The Journal of Physical Chemistry C, 2017, Vol. 121 (43), p. 23974–23987
The soluble oligomeric form of the amyloid beta (Aβ) peptide is the major causative agent in the molecular pathogenesis of Alzheimer’s disease (AD). We have previously developed a pyrroline-nitroxyl fluorene compound (SLF) that blocks [...]

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. [...]

Improving the mechanical properties of CNF films by NMMO partial dissolution with hot calender activation

Publication year: 2017
Authors: Orelma H., Korpela A., Kunnari V., Harlin A., Suurnäkki A.
Published in: Cellulose 2017
Reinforcing of cellulose nanofibril (CNF) films by partial dissolution with N-methylmorpholine-N-oxide (NMMO) was investigated. The method investigated is composed of impregnation of CNF film [...]

Homogeneous cellulose thin films by regeneration of cellulose xanthate: properties and characterization

Publication year: 2017
Authors: Weißl M. 1, 2, Niegelhell K. 2, Reishofer D. 2, Zankel A. 3, Innerlohinger J. 4, Spirk S. 2
Published in: Cellulose, 2017, Vol. 25, Issue 1, p. 711-721
The preparation and characterization of cellulose thin films derived from cellulose xanthate is reported. The films are prepared by depositing alkaline aqueous solutions cellulose xanthate onto silicon wafers, followed by [...]

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. [...]

Dangerous liaisons: anion-induced protonation in phosphate-polyamine interactions and their implications for charge states of biologically relevant surfaces

Publication year: 2017
Authors: Laucirica G., Marmisollé W.A., Azzaroni O.
Published in: Physical Chemistry Chemical Physics, 2017, Vol. 19 (12), p. 8612-8620
Although not always considered a preponderant interaction, amine-phosphate interactions are omnipresent in multiple chemical and biological systems. [...]

Taste masking effect of chlorogenic acid (CGA) on bitter drugs evaluated by taste sensor and surface plasmon resonance on the basis of CGA-Drug interactions

Publication year: 2017
Authors: Shiraishi S.1, Haraguchi T., Nakamura S., Li D., Kojima H., Yoshida M., Uchida T.
Published in: Chemical and Pharmaceutical Bulletin, Vol. 65 (2017), No. 2, p. 127-13
The purpose of this study was to evaluate the taste-masking effects of chlorogenic acid (CGA) on bitter drugs using taste sensor measurements and surface plasmon resonance (SPR) analysis of CGA-drug interactions. [...]

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 [...]