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Synergy between Zwitterionic Polymers and Hyaluronic Acid Enhances Antifouling Performance

Publication year: 2019
Authors: Yinqiang Xia,† Vahid Adibnia,‡ Cancan Shan,† Renliang Huang,§ Wei Qi,†,# Zhimin He,† Guojun Xie,∥ Mateusz Olszewski,∥ Gregory De Crescenzo,⊥ Krzysztof Matyjaszewski,*,∥ Xavier Banquy,*,‡ and Rongxin Su*,†,#
Published in: Langmuir
Challenges associated with nonspecific adsorption of proteins on sensor surfaces have steered the development of novel antifouling materials and strategies. Inspired by human synovial fluid composition and structure, we designed synergistic antifouling coatings with mixtures of hyaluronic acid (HA) and a zwitterionic bottlebrush polymer (BB). [...]

Refractive Index and Sensing of Glucose Molarities Determined using Au-Cr K-SPR at 670/785 nm Wavelenght

Publication year: 2019
Authors: P. Susthitha Menon*, Budi Mulyanti, Nur Akmar Jamil, Chandra Wulandari, Harbi Setyo Nugroho, Gan Siew Mei, Noor Faizah Zainul Abidin, Lilik Hasanah, Roer Eka Pawinanto & Dilla Duryha Berhanuddin
Published in: Sains Malaysiana 48(6)(2019): 1259–1265

Layer-by-Layer nanostructured films of magnetite nanoparticles and polypyrrole towards synergistic effect on methylparaben electrochemical detection

Publication year: 2019
Authors: Lucas F. de Lima, Cristiane M. Daikuzono, Celina M. Miyazaki, Elisabete A. Pereira, Marystela Ferreira
Published in: Applied Surface Science
The sustained use of cosmetics, hygiene products and medicines containing methylparaben (MeP) can be related to cases of cancer in women and children, which is why it is important to develop simple ways to monitor this compound.

Real-Time Label-Free Targeting Assessment and in Vitro Characterization of Curcumin-Loaded Poly-lactic-co-glycolic Acid Nanoparticles for Oral Colon Targeting

Publication year: 2019
Authors: Mohamed A. Akl,†,‡ Alma Kartal-Hodzic,† Teemu Suutari,† Timo Oksanen,† Isabella Monia Montagner,§ Antonio Rosato,§,∥ Hatem R. Ismael,‡ Mohsen I. Afouna,‡ Paolo Caliceti,⊥ Marjo Yliperttula,†,⊥ Ahmed M. Samy,‡ Francesca Mastrotto,⊥ Stefano Salmaso,⊥ and Tapani Viitala*,†,#
Published in: ASC Omega
The exploitation of curcumin for oral disease treatment is limited by its low solubility, poor bioavailability, and low stability. Surface-functionalized poly-lactic-co-glycolic acid (PLGA) nanoparticles (NPs) have shown promising results to ameliorate selective delivery of drugs to the gastrointestinal tract. [...]

Trypanosoma cruzi Virulence Factors for the Diagnosis of Chagas’ Disease

Publication year: 2019
Authors: Cecilia Yamil Chain,*,† Dênio Emanuel Pires Souto,*,‡ María Laura Sbaraglini,§ Carlos A. Labriola,∥ María Antonieta Daza Millone,† Eduardo Alejandro Ramirez,† José Sebastián Cisneros,† Constanza Lopez-Albizu,⊥ Karenina Scollo,⊥ Lauro T. Kubota,# Andrés Mariano Ruiz,⊥ and María Elena Vela†
Published in: ACS Infectious Diseases
trans-Sialidase and cruzipain are important virulence factors from Trypanosoma cruzi, the etiological agent of Chagas disease, that have highly antigenic domains in their structure and were reported as potential tools for diagnosis of the illness. [...]

Kinetic and thermodynamic insights into interaction of albumin with piperacillin: Spectroscopic and molecular modeling approaches

Publication year: 2019
Authors: Farzaneh Fathi a, Maryam Sharifi b, c, d, Amir Jafari e, Naser Kakavandi f, Soheila Kashanian g, h, Jafar Ezzati Nazhad Dolatabadi c, *, Mohammad-Reza Rashidi c, i, **
Published in: Journal of Molecular Liquids
The current study investigated the binding of BSA and piperacillin at multifarious concentrations (1 e128 mM) along with four different temperatures. To do this, three sensitive methods were employed including surface plasmon resonance (SPR), fluorescence spectroscopy and molecular docking (MD). [...]

Label-free lateral flow assay for Listeria monocytogenes by aptamer-gated release of signal molecules

Publication year: 2019
Authors: Tasbasi BB 1, Guner BC 1, Sudagidan M 1, Ucak S 2, Kavruk M3, Ozalp VC 4.
Published in: Analytical Biochemistry
Lateral flow assay (LFA) type of biosensors have been popular due to cost-effectiveness and easy-interpretation for instant results, most common examples of applications being pregnancy tests, food safety or medical diagnostics. There are several examples of reports with high sensitivity, including pre-concentration of the sample by magnetic pull-down. However, sensitivity and direct detection designs with aptamers has been a limiting factor for developing aptamers-based LFA assays. [...]

Extracellular nicotinate phosphoribosyltransferase binds Toll like receptor 4 and mediates inflammation

Publication year: 2019
Authors: Antonella Managò1,12, Valentina Audrito1,12, Francesca Mazzola2, Leonardo Sorci 3, Federica Gaudino1, Katiuscia Gizzi4, Nicoletta Vitale5, Danny Incarnato6, Gabriele Minazzato7, Alice Ianniello8, Antonio Varriale9, Sabato D’Auria9, Giulio Mengozzi8, Gianfranco Politano 10, Salvatore Oliviero 4,11, Nadia Raffaelli7,13 & Silvia Deaglio 1,13
Published in: Nature communications
Damage-associated molecular patterns (DAMPs) are molecules that can be actively or passively released by injured tissues and that activate the immune system. Here we show that nicotinate phosphoribosyltransferase (NAPRT), detected by antibody-mediated assays and mass spectrometry, is an extracellular ligand for Toll-like receptor 4 (TLR4) and a critical mediator of inflammation, acting as a DAMP. Exposure of human and mouse macrophages to NAPRT activates the inflammasome and NF-κB for secretion of inflammatory cytokines. [...]

A highly specific and sensitive nanoimmunosensor for the diagnosis of neuromyelitis optica spectrum disorders

Publication year: 2019
Authors: Ariana de Souza Moraes 1,2,3, Doralina Guimarães Brum3,4, Jéssica Cristiane Magalhães Ierich 1,2,3, Akemi Martins Higa1,2,3, Amanda Stefanie Jabur Assis2,3, Celina Massumi Miyazaki2, Flávio Makoto Shimizu5, Luís Antonio Peroni 6, M. Teresa Machini7, Amilton Antunes Barreira8,9, Marystela Ferreira 2, Osvaldo N. Oliveira Jr.5 & Fabio Lima Leite2,3
Published in: Scientific Reports
A precise diagnosis for neuromyelitis optica spectrum disorders (NMOSD) is crucial to improve patients’ prognostic, which requires highly specific and sensitive tests. The cell-based assay with a sensitivity of 76% and specificity of 100% is the most recommended test to detect anti-aquaporin-4 antibodies (AQP4-Ab). [...]

Multilayer Density Analysis of Cellulose Thin Films

Publication year: 2019
Authors: Sampl C. 1,2ʈ, Niegelhell K. 1,2ʈ, Reishofer D. 1ʈ, Resel R. 3ʈ, Spirk S. 1,2*ʈ, Hirn U. 1,2ʈ
Published in: Biopolymer Thin Films and Coatings
An approach for the multilayer density analysis of polysaccharicle thin films at the example of cellulose is presented. In detail, a model was developed for the evaluation of the density in different layers across the thickness direction of the film.[...]

Matter‐tag: A universal immobilization platform for enzymes on polymers, metals, and silicon‐based materials

Publication year: 2019
Authors: Sarah Dedisch 1,2 Annika Wiens 2 Mehdi D. Davari 2 Dominik Söder 1 Cesar Rodriguez‐Emmenegger 1,3 Felix Jakob 1,2 Ulrich Schwaneberg 1,2
Published in: Biotechnology and Bioengineerging
Enzyme immobilization is extensively studied to improve enzyme properties in catalysis and analytical applications. Here, we introduce a simple and versatile enzyme immobilization platform based on adhesion‐promoting peptides, namely Matter‐tags. [...]

Nanoparticles in Pharmacotheraphy Chapter 9B

Publication year: 2019
Authors: Barbara Jachimska
Published in: Elsevier
Physicochemical characterization of PAMAM dendrimer as a multifunctional nanocarriers

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

Publication year: 2019
Authors: Tarciane da S. Pinto a, Priscilla N.S. Rodrigues a, Luiz E.S. Marinho a, Rodrigo M. Verly a, J.P. Bretas Roa a, Luiz C.A. de Oliveira b, Fabiano V. Pereira b, Mariana T.Q. de Magalhães c,d, João P. de Mesquita 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 their properties, especially molecular interactions and morphology. [...]

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 [...]

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 [...]

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. [...]

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 [...]

In Silico Discovery and Validation of Neuropeptide-Y-Binding Peptides for Sensors

Publication year: 2019
Authors: Xiao X. 1, Kuang Z. 2, Burke B. J. 2, Chushak Y. 2, Farmer B.L. 2, Mirau P.A 2.*, Naik R.P. 2, Hall C.K.*1
Published in: The Journal of Physical Chemistry B, 2020, Vol. 124, 1, p. 61–68
Wearable sensors for human health, performance, and state monitoring, which have a linear response to the binding of biomarkers found in sweat, saliva, or urine, are of current interest for many applications. A critical part of any device is a biological recognition element (BRE) that is able to bind a biomarker at the surface of a sensor with a high affinity and selectivity to produce a measurable signal response.[...]