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Oxidized xylan additive for nanocellulose films – A swelling modifier

Publication year: 2021
Authors: Palasingh Ch. a, Ström A. a, Amer H. b,c, Nypelö T. a,d
Published in: International Journal of Biological Macromolecules, Vol. 180, p. 753-759
Polymeric wood hemicelluloses are depicted to join cellulose, starch and chitosan as key polysaccharides for sustainable materials engineering. However, the approaches to incorporate hemicelluloses in [...]

Surface Plasmon Resonance Assay for Label-Free and Selective Detection of Xylella Fastidiosa

Publication year: 2021
Authors: Sarcina L. 1, Macchia E. 2, Loconsole G. 3, D'Attoma G. 3, Saldarelli P. 3, Elicio V. 4, Palazzo G. 1, Torsi L. 1,2
Published in: Advanced NanoBiomed Research, 2021, p. 2100043
Xylella fastidiosa is among the most dangerous plant bacteria worldwide causing a variety of diseases, with huge economic impact on agriculture and environment. A surveillance tool, ensuring the highest possible sensitivity [...]

In-situ and real-time probing cellulase biosensor formation and its interaction with lignosulfonate in varied media

Publication year: 2021
Authors: Peipei Wang a,1, Tian Liu a,1, Yena Liu a,1, Jing Tian a, Xinyu Zhang a, Jiaqi Guo a, Yongcan Jin a, Huining Xiao b, Junlong Song a
Published in: Sensors and Actuators B: Chemical, Vol. 329 (2021), 129114
It is a challenge to interpret the signals obtained by Quartz Crystal Microbalance (QCM) and Surface Plasmon Resonance (SPR) accompanied with in the significant changes of the density and/or refractivity of media. [...]

Membrane interactions of Ocellatins. Where do antimicrobial gaps stem from?

Publication year: 2021
Authors: J.Muñoz‑López 1,2, J.C.L.Oliveira 1, D.A.G.R. Michel 3, C.S. Ferreira 3, F.Gomes Neto 4, E.S.Salnikov 2, R.M.Verly 3, B.Bechinger 2,5, J.M.Resende 1
Published in: Amino Acids, Vol. 53, p. 1241–1256 (2021)
The antimicrobial peptides Ocellatin-LB1, -LB2 and -F1, isolated from frogs, are identical from residue 1 to 22, which correspond to the -LB1 sequence, whereas -LB2 carries an extra N and -F1 additional NKL residues [...]

Development of a novel biosensor for Creatine Kinase (CK-MB) using Surface Plasmon Resonance (SPR)

Publication year: 2021
Authors: André L.Ferreira a,1, Lucas Lima b,1, Ariana S.Moraes a,1, Rafael J.G.Rubira c,1, Carlos J.L.Constantino c, Fabio L.Leite a, Adriana O.Delgado-Silva a, Marystela Ferreira a
Published in: Applied Surface Science, Vol. 554 (2021), 149565
In this paper, we report a new biosensor for detection of the cardiac biomarker Creatine Kinase (CK-MB) using Surface Plasmon Surface (SPR) technique, with the purpose of the diagnosis of Acute Myocardial Infarction (AMI). [...]

Adsorption Behavior of Arabinogalactan-Proteins (AGPs) from Acacia senegal Gum at a Solid–Liquid Interface

Publication year: 2021
Authors: Dvantes A. 1, Nigen M. 2, Sanchez C. 2, Renard D. 1
Published in: Langmuir, 2021, Vol. 37 (35), p. 10547–10559
Adsorption of five different hyperbranched arabinogalactan-protein (AGP) fractions from Acacia senegal gum was thoroughly studied at the solid–liquid interface using a quartz crystal microbalance with dissipation monitoring [...]

AuNPs network structures as a plasmonic matrix for ultrasensitive immunoassay based on surface plasmon resonance spectroscopy

Publication year: 2021
Authors: Junjie Hu a, Jialin Zhao a,b, Han Zhu a, Qiang Chen c, Xiaojun Hu a, Kwangnak Koh d, Hongxia Chen a
Published in: Sensors and Actuators B: Chemical, 2021, Vol. 340, p. 129948
Nanoparticle gap, degree of order, and the structure of the nanocomposite functionalized interface have a significant impact on sensing properties. Orderly arranged gold nanoparticles enhance [...]

Hyaluronic Acid Oligomer Immobilization as an Angiogenic Trigger for the Neovascularization of TE Constructs

Publication year: 2021
Authors: A.L. Silva 1,2, P.S. Babo 1,2, M.T. Rodrigues 1,2, A.I. Gonçalves 1,2, R. Novoa-Carballal 1,2, R.A. Pires 1,2, J. Rouwkema 3, R.L. Reis 1,2, M.E.Gomes 1,2
Published in: ACS Applied Bio Materials, 2021, Vol. 4 (8), p. 6023–6035
Tissue engineered (TE) substitutes of clinically relevant sizes need an adequate vascular system to ensure function and proper tissue integration after implantation. However, the predictable vascularization [...]

SPRD: a surface plasmon resonance database of common factors for better experimental planning

Publication year: 2021
Authors: P.B. Tiwari 1, C. Bencheqroun 2, M. Lemus 1, T. Shaw 1, M. Kouassi-Brou 1,3, A. Alaoui 2, A. Üren 1
Published in: BMC Molecular and Cell Biology, Vol. 22, 17 (2021)
Surface plasmon resonance is a label-free biophysical technique that is widely used in investigating biomolecular interactions, including protein-protein, protein-DNA, and protein-small molecule binding. [...]

Specific intracellular binding peptide as sPD-L1 antibody mimic: Robust binding capacity and intracellular region specific modulation upon applied to sensing research

Publication year: 2021
Authors: Junjie Hu a, Zhao-huan Zhang b, Zhongzheng Zhu c, Jie Chen a,d, Xiaojun Hu a, Hongxia Chen a
Published in: Biosensors and Bioelectronics, 2021, Vol. 185, p. 113269
Programmed death ligand 1 (PD-L1) immune checkpoint has been regarded as a new target for predicting cancer immunotherapy. As a transmembrane protein, PD-L1 has very low blood concentration and is likely [...]

Insight into dual fluorescence effects induced by molecular aggregation occurring in membrane model systems containing 1,3,4-thiadiazole derivatives

Publication year: 2021
Authors: David M. 1, Budziak-Wieczorek I. 2, Karcz D. 3, Florescu M. 1, Matwijczuk A. 4
Published in: European Biophysics Journal (2021)
This work reports on biophysical insights into the excited state intramolecular proton transfer (ESIPT) processes taking place in three 1,3,4-thiadiazole derivatives that served as model compounds, [...]

Real-time adsorption of optical brightening agents on cellulose thin films

Publication year: 2021
Authors: C. Sampl a,b, S.Eyley c, W. Thielemans c, U.Hirn a,b,1, S.Spirk a,b
Published in: Carbohydrate Polymers, Vol. 261 (2021), 117826
Optical brightening agents (OBAs) are commonly used in textile and paper industry to adjust product brightness and color appearence. Continuous production processes lead to short residence time of the dyes in the fiber suspension, [...]

A designer FG-Nup that reconstitutes the selective transport barrier of the nuclear pore complex

Publication year: 2021
Authors: Fragasso A. 1, de Vries H.W. 2, Andersson J. 3, van der Sluis E.O. 1, van der Giessen E. 2, Dahlin A. 3, Onck P.R. 2, Dekker C. 1
Published in: Nature Communications, 2021, Vol. 12, 2010 (2021)
Nuclear Pore Complexes (NPCs) regulate bidirectional transport between the nucleus and the cytoplasm. Intrinsically disordered FG-Nups line the NPC lumen and form a selective barrier, where transport of [...]

Lipid Cubic Systems for Sustained and Controlled Delivery of Antihistamine Drugs

Publication year: 2021
Authors: Dully M. 1, Ceresnakova M. 1, Murray D. 2, Souliname T. 1, Hudson S.P. 1
Published in: Molecular Pharmaceutic, 2021, Vol. 18(10), p. 3777–3794
Antihistamines are capable of blocking mediator responses in allergic reactions including allergic rhinitis and dermatological reactions. By incorporating various H1 receptor antagonists into [...]

Effect of laminin, polylysine and cell medium components on the attachment of human hepatocellular carcinoma cells to cellulose nanofibrils analyzed by surface plasmon resonance

Publication year: 2021
Authors: Xue Zhang a, Tapani Viitala b,1, Riina Harjumäki a,b, Alma Kartal-Hodzic b, Juan José Valle-Delgado a, Monika Österberg a
Published in: Journal of Colloid and Interface Science, Vol. 584 (2021), p. 310-319
The development of in vitro cell models that mimic cell behavior in organs and tissues is an approach that may have remarkable impact on drug testing and tissue engineering applications in the future. [...]

Terminal deoxynucleotidyl transferase-mediated formation of protein binding polynucleotides

Publication year: 2021
Authors: J. Ashley 1,2, A.-L. Schaap-Johansen 1, M. Mohammadniaei 1, M. Naseri 1, P. Marcatili 1, M. Prado 2, Y. Sun 1
Published in: Nucleic Acids Research, 2021, Vol. 49, Issue 2, p. 1065–1074
Terminal deoxynucleotidyl transferase (TdT) enzyme plays an integral part in the V(D)J recombination, allowing for the huge diversity n expression of immunoglobulins and T-cell receptors [...]

Surface Plasmon Resonance Assay for Label-Free and Selective Detection of HIV-1 p24 Protein

Publication year: 2021
Authors: Sarcina L. 1, Mangiatordi G.F. 2, Torricelli F. 3, Bollella P. 1, Gounani Z. 4, Österbacka R. 4, Macchia E. 4, Torsi L. 1,4,5
Published in: Biosensors, 2021, Vol. 11(6), p. 180
The early detection of the human immunodeficiency virus (HIV) is of paramount importance to achieve efficient therapeutic treatment and limit the disease spreading. In this perspective, [...]

Effect of Hydrophobicity and Charge Separation on the Antifouling Properties of Surface-Tethered Zwitterionic Peptides

Publication year: 2021
Authors: Chuanxi Li 1,2,3,4, Minglun Li 2, Wei Qi 2,3, Rongxin Su 1,3,5, Jing Yu 2
Published in: Langmuir, 2021, Vol. 37(28), p. 8455–8462
Zwitterionic peptides emerge as a class of highly effective antifouling material in a wide range of applications such as biosensors, biomedical devices, and implants. We incorporated [...]

Combining Chemical Functionalization and FinFET Geometry for Field Effect Sensors as Accessible Technology to Optimize pH Sensing

Publication year: 2021
Authors: D.Rani 1, S.Rollo 1,2, W.Olthuis 2, S.Krishnamoorthy 1, C.P.García 1
Published in: Chemosensors 2021, Vol. 9(2), 20
Field Effect Transistors (FETs) have led the progress of applications measuring the acidity in aqueous solutions thanks to their accuracy, ease of miniaturization and capacity of multiplexing. [...]

Characterisation of a unique linker segment of the Plasmodium falciparum cytosol localised Hsp110 chaperone

Publication year: 2021
Authors: G. Chakafana a,b, P.T.Mudau a, T.Zininga a,c, A.Shonhai a
Published in: International Journal of Biological Macromolecules, 2021, Vol.180, p. 272-285
Plasmodium falciparum expresses two essential cytosol localised chaperones; PfHsp70-1 and PfHsp70-z. PfHsp70-z (Hsp110 homologue) is thought to facilitate nucleotide exchange function of PfHsp70-1. PfHsp70-1 is a refoldase, [...]