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nanbiosis news

Two new equipment items at the U6 of Nanbiosis with cofinancing from FEDER funds

The U6 of NANBIOSIS (Biomaterial Processing and Nanostructuring Unit) has expanded its capabilities with 2 new equipment items for the characterization unit. Both equipment items will allow the characterization of some physico-chemical properties of different nanomaterials.

The Zetasizer ULTRA is used to measure the particle size of dispersed systems from sub-nanometer to several micrometers in diameter, using the technique of Dynamic Light Scattering (DLS). Zetasizer systems are also used to analyze particle mobility and charge (Zeta potential) using the technique of Electrophoretic Light Scattering (ELS), and the molecular weight of particles in solution using Static Light Scattering (SLS).

The Green laser module for the NanoSight NS300 equipment. The NS300 allows analysis of the size distribution and concentration of all types of nanoparticles from 0.01 – 1 µm in diameter. This new laser module will allow NTA to measure a range of fluorescent particles, avoiding interferences during the measurements due to sample (auto)fluorescence and absorption.  This is done by detecting the fluorescence signal, which is emitted naturally by particles or as a result of fluorescence labeling or tagging

This equipment have been confinanced by the European Regional Development Fund (ERDF) through the Plurirregional Operational Program of Spain (POPE)2014-2020

European Regional Development Fund
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The Nanomedicine Revolution

Yesterday, November, 25 took place, within the the program of the Ateneo of the EINA (School of Engineering and Architecture of Aragón), the online conference on “The Revolution of Nanomedicine” by Ramón Martínez Máñez.

The Conference chair, Jesús Martínez de la Fuente, Principal Investigator of the BIONANOSURF group of CIBER-BBN and the Institute of Nanoscience and Materials of Aragón, introduced the guest, Ramón Martínez Máñez, Scientific Director of CIBER-BBN, highlighting “his creativity in the use of his systems and how he combines them with different diagnostic release systems, combining organic chemistry, surface chemistry, applications in biotechnology and giving way to translation and transfer, his works are very unique

Ramón Martínez Máñez, Scientific Director NANBIOSIS unit 26 NMR: Biomedical Applications II, gave a very instructive talke about what is nanotechnology and how nanotechnology revolution has reached the medicine, with current examples of the application of nanomedicines, as well as in the medicine of the future.

After it, a very interesting debate took place in which different issues were discussed, especially in relation to nanomedicine applied to therapy, such as the barriers to generalize the use of nanoparticles in therapy, the current state of implantation of nanoformulated drugs in the market and the advancement of the use of some nanoparticles as polymers or liposomes compared to inorganic nanoparticles, the degree of development of nanoparticles under GLP certification or why cancer is the main target of nanomedicine with a great difference over other pathologies. The audience asked questions that led to the discussion of some more controversial points such as whether it is true that “Big Pharma” does not like nanoparticles, why there is a regulatory vacuum regarding their use and how to solve these problems.

Regarding the diagnosis applications, Ramón Martínez commented that “nanotechnology already has its way open, both in the development of nanoparticles and systems to amplify the signal, based on nanophotonics, resonant rings or other technologies at the nanometric level. The pandemic has highlighted the importance of having rapid detection systems for bio parameters, pathogens, bacteria … We have a lot of knowledge acquired in recent years in these systems and they are currently being developed in a more or less short time, we are truly close to revolutionizing the field of detection“.

Finally, in realtion with the nanomedicine of the future, the questions raised in the debate revolved mainly around nanobots and their state of development or the problems that are emerging in it or the possibility of uniting nanomedicine with artificial intelligence and possible applications.

The Ateneo is an activity of the EINA in collaboration with the Aragón Engineering Research Institute and SAMCA Chair of Technological Development of Aragon, both directed by Pablo Laguna, Scientific Director of Nanbiosis U27 High Performance Computing. Pablo Laguna closed the event thanking Ramón Martínez Máñez and Jesús Martínez de la Fuente for their participation and highlighting the high number of attendees at the conference.

The conference can be followed in Spanish in EINA youtoube channel: https://www.youtube.com/watch?v=Y_Fh1O1VuNU

Anouncing this Conference in the Ateneo EINA, Ramón Martínez Máñez was yesterday interviewed by Aragon Radio. In this case, the interview had the focuss in the “Nanomedicine against COVID” . The podcast can be listen in Spanish here: https://www.cartv.es/aragonradio/podcast/emision/nanomedicina-frente-a-la-covid

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NANBIOSIS U12 expands its capabilities with a new SEM for morphological and dimensional characterization of solid samples

The U12 of NANBIOSIS (Nanostructured liquid characterization unit) has expanded its capabilities with a new equipment U12-E22. SEM Hitachi TM4000Plus II for morphological and dimensional characterization of solid samples

Low vacuum Scanning Electron Microscopy with two electron detectors (secondary, SE, and backscattered, BSE). SE imaging provides a detailed information of the morphology of the sample and BSE gives information about the different components of the sample, based on the different atomic number (the higher the atomic number, the brighter the surface).

The equipment can apply different vacuum levels (using a turbo molecular pump) with accelerating voltages between 5 and 20 kV and magnifications from 10x to 100,000x. Specimens with size up to 80 mm diameter and/or 50 mm thickness can be characterized and samples.

Conductive and non-conductive samples can be characterized with little or no previous preparation. The software enables image processing of micrographs, for instance, measuring the size of solid particles after the acquisition of images.

SEM analysis is very useful in several fields:

  • Life sciences, for the topographical and morphological characterization of tissues, hairs, fibers, etc.
  • Materials science, for quality control and failure analysis. Morphological properties are quite important in the research of innovative materials. In addition, the characterization of the surface is a key factor in porous materials used for delivery systems.
  • Semiconductor inspection and microchip assembly, to analyse the topography and to investigate the effectiveness of production methods.

The equipment has been financed by CSIC and with funds of the research group coordinanting the unit from CIBER-BBN and IQAC-CSIC, led by Carlos Rodriguez-Abreu

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The XXXVII Annual Congress of the Spanish Society of Biomedical Engineering (CASEIB) is taking place between November 25 and 27. This new edition of CASEIB, in virtual format is organized by the CIBER-BBN group of Biomedical Engineering at Valladolid Universitiy, led by Prof. Roberto Sánchez Hornero.

Prof. Laura Lechuga, Scientific Director of NANBIOSIS U4 Biodeposition and Biodetection Unit, member of the advisoty committee of scientific experts (Multidisciplinary Working Group) to the Ministry of Science and Innovation in COVID-19 and coordinator of the European project CONVAT shall participate in the Roundtable I: Biomedical Engineering and COVID-19 November 26, 12:00 h

Researchers of BSICoS Group from CIBER-BBN and I3A-UZ, running NANBIOSIS U27 High Performance Computing, led by Prof. Pablo Laguna, will participate defending their last works:

  • “Delay between QT and RR in stress test records as an indicator of the heterogeneity of ventricular repolarization”. Cristina Pérez, Esther Pueyo, Juan Pablo Martínez, Jari Viik, Pablo Laguna.
  • “Prediction of sudden death in patients with chronic heart failure by studying the periodic dynamics of repolarization”. Saúl Palacios, Iwona Cygankiewicz, Antoni Bayés-de-Luna, Juan Pablo Martínez, Esther Pueyo.
  • “Electrodermal response analysis for the identification of patients with depression”. Marta Martínez, Jesús Lázaro, Spyridon Kontaxis, Pablo Laguna, Eduardo Gil, María Luisa Bernal Ruíz, Sara Siddi, Concepción de la Cámara, Jordi Aguiló, Esther García, Josep María Haro, Raquel Bailón.
  • “In silico characterization of the duration of repolarization and its variability in Type 1 Long QT syndrome under β adrenergic stimulation”. David Adolfo Sampedro-Puente, Fabien Raphel, Jesús Fernández-Bes, Pablo Laguna, Damiano Lombardi, Esther Pueyo
  • “Monitoring of Blood Potassium Concentration in dialysis through changes in the multi-lead morphology of the T wave: Comparison between using the transformation in Periodic and Principal Components”. Flavio Palmieri, Pedro Gomis, José Esteban Ruiz, Dina Ferreira, Alba Martin, Esther Pueyo, Pablo Laguna, Juan Pablo Martínez, Julia Ramírez.

Further information on BSICoS website

On the other hand researcher of NANBIOSIS at JUMISC will present:

  • Study of the influence of the diameter and temperature of the nozzle on the thickness of the filament for bioprinting“. Enrique Mancha, Juan Carlos Gómez Blanco, Alfonso Carlos Marcos Romero, Manuel Matamoros Pacheco, Francisco Miguel Sánchez Margallo, José Blas Pagador Carrasco.
  • Influence of voluntary contractions on the basal sEMG activity of the pelvic floor muscles. M. Albaladejo-Belmonte, M. Tarazona, F.J. Nohales, J. Alberola-Rubio, J. Garcia-Casado
  • 3D Printing Mold Making: Soluble Male Viability for Hollow Artificial Organs Juan Carlos Gómez Blanco, José Blas Pagador Carrasco, Antonio Jesús Rodríguez Fuentes, Alfonso González González, Mara Olivares Marín, Jesús Usón Gargallo, Francisco Miguel Sánchez Margallo

Further information on JUMISC website

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Closer to understand the regulation of SMARCA4 expression

Researchers of NANBIOSIS U29 Oligonucleotide Synthesis Platform (OSP) from CIBERBBN at @IQAC_CSIC, led by Prof. Ramón Eritja, are the authors of an article published by Int J Biol Macromol. 2020, entitled “Influence of pH and a porphyrin ligand on the stability of a G-quadruplex structure within a duplex segment near the promoter region of theSMARCA4 gene”. Prof Eritja hightlighs the contribution to this work by Dr. Raimundo Gargallo from the University of Barcelona.

The manuscript described the structural analysis of the promoter region of the SMARCA4 gene involved in ovarian cancer. This promoter region has an exceptionally long G-rich sequence. In this work we observed the formation of a singular G-quadruplex structure in equilibrium with an i-motif that can be modulated by changes in the pH and by the addition of external G-quadruplex ligands such as porphyrins. The NANBIOSIS Unit U29 provided synthetic versions of the DNA promoter region for the structural analysis.

In a previous work, the formation of G-quadruplex structures in a 44-nucleotide long sequence found near the promoter region of the SMARCA4 gene was reported. The central 25 nucleotides were able to fold into an antiparallel G-quadruplex structure, the stability of which was pH-dependent. In the present work, the effect of the presence of lateral nucleotides and the complementary cytosine-rich strand on the stability of this G-quadruplex has been characterized. Moreover, the role of the model ligand TMPyP4 has been studied. Spectroscopic and separation techniques, as well as multivariate data analysis methods, have been used with these purposes. The results have shown that stability of the G-quadruplex as a function of pH or temperature is greatly reduced in the presence of the lateral nucleotides. The influence of the complementary strand does not prevent the formation of the G-quadruplex. Moreover, attempts to modulate the equilibria by an external ligand led us to determine the influence of the TMPyP4 porphyrin on these complex equilibria. This study could eventually help to understand the regulation of SMARCA4 expression.

Article of reference:

Influence of pH and a porphyrin ligand on the stability of a G-quadruplex structure within a duplex segment near the promoter region of the SMARCA4 gene. Alba Navarro Sanae Benabou RamonEritja RaimundoGargallo. International Journal of Biological Macromolecules. Volume 159, 15 September 2020, Pages 383-393. https://doi.org/10.1016/j.ijbiomac.2020.05.062

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Moore4Medical a project to accelerate innovation in electronic medical devices

The NanoBioCell group, led by Prof. Jose Luis Pedraz, participates in the European project Moore4medical. A project to accelerate innovation in emergencing medical devices with open tecnhology platforms. The NanoBiocel group, will focus on the lyophilization process of biopharmaceuticals and their use in microfluidic devices

The NanoBiocel research group of the University of the Basque Country / Euskal Herriko Unibertsitatea, which is part of the CIBER BBN and the ICTS Nanbiosis through the U10 Drug Formulation Unit, and led by Professor Jose Luis Pedraz of the Faculty of Pharmacy, participates in the European project Moore4medical, which aims to accelerate innovation in electronic and microfabricated devices for several emerging medical specialties. Specifically, the work of the NanoBiocel group will focus on optimizing the lyophilization process of biopharmaceuticals in microfluidic devices.
The three-year Moore4Medical project is funded by the public-private partnership ECSEL (Electronic Components and Systems for European Leadership), which manages a research and innovation program to strengthen the electronic components and systems sector to maintain to the European Union at the forefront of technological development. The total financing of the project amounts to € 68M, of which more than half a million have been awarded to the work of NanoBiocel.
In Moore4Medical, 68 partners participate (between private companies, universities and research institutions) from 13 countries and is led by the Dutch multinational Philips in its electronics and medical systems and service innovation divisions.

Microfluidic device
The NanoBioCell group will work, together with the Mondragón company microLIQUID, in the development of technology for integrating lyophilized drugs and their rehydration in a microfluidic device for their correct administration. The lyophilized drug will be integrated into the microfluidic device using specific techniques to ensure a good interaction between the fluid and the drug for delivery by the pump. The final objective is to design a system for the administration of drugs by parenteral route that is much more comfortable for patients and that improves the therapeutic compliance of treatments.
The microLIQUID company is a leading biotechnology company in the microfluidic technologies sector and will be in charge of the design and development of microfluidic modules.
In this work called ‘Drug Adherence’, integrated within the total project, the NanoBioCel group will team up with the Irish national institute Tyndall, the multinational pharmaceutical company AbbVie, the Fraunhofer Institute of Germany, the service innovation section of Philips, the company German Gaudlitz GmbH, specialist in polymers, the Karlsruhe Technological Institute in Germany and the HI Iberia company in Madrid.

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Understanding human heart behaviour with mathematics and engineering.

Researchers from the I3A and the CIBER-BBN at the University of Zaragoza Esther Pueyo and Konstantinos Mountris have been interwiewed at the Radio program “Hoy por Hoy” LA SER in relation with their work from engineering and mathematics to understand the functioning of the heart when it is healthy and when a heart attack occurs, to provide clinical specialists with the tools needed to improve patient care.

They do this through computing in cardiology using the instalations of the ICTS Nanbiosis U27 High Performance Computing Unit, with the creation of a virtual heart that allows the computer to reproduce the electrical activity of a real heart. His line of research advances towards a simpler methodology. Until now, computational simulation required the construction of a geometry that created a mesh, joining different points of that virtual heart. This system was not applicable to the clinical routine, extensive engineering knowledge was needed, but now they have created a new methodology that facilitates that application because it more easily translates an image to a computational model and, therefore, it can be easier to be interpreted in the hospital setting.

It is an innovative advance in this field and its work has already been recognized in the Congress of Computing in Cardiology (CinC) held recently and where they have received the Maastricht Simulation Award (MSA). “The Meshfree Immersed Grid alleviates the necessity for mesh generation and allows eliminating the mesh-related limitationsUsing the HPC services of NANBIOSIS U27 High Performance Computing, – explains Konstantinos Mountris – we were able to validate the Meshfree Immersed Grid method as a promising alternative to Finite Element Method performing large-scale simulations of myocardial infarction in biventricular swine models

Until now, this group of researchers started from a clinical image that they had to divide into small pieces and establish their connection. With this new methodology, this is no longer necessary, it is no longer necessary to build the virtual heart by connecting those small parts to see how it works, but they start from the image itself, a model is built automatically and they are able to see the activity cardiac.

This methodology that unites engineering and mathematics “is applicable to different pathologies of the heart, but in the work that we present, it had been tested against myocardial infarction. Our idea is to test the electrical activity of the heart that has suffered a heart attack ”, explains Konstantinos Mountris, but they also test the activity in a healthy heart.

Transferring the image of a damaged heart to the computer simulation allows us to check what its activity will be like from now on, how it will behave and this can help clinicians in their diagnosis, application of treatments and decision making. It is a method with a great mathematical and engineering load but with a great clinical application, “they are algorithms that could be taken to the clinic and obtain a result from the image that doctors have”, highlights Esther Pueyo, principal investigator of the project European Modelage, in which the work that has just been internationally recognized is framed.

This line of research proposes a method that has different applications, from surgeries to diagnostic tests or treatments. A mathematical model that reproduces how a healthy heart or a heart with areas affected by an arrhythmia or a heart attack works and that can be adapted to each patient.

Modelage is a project that tries to know the aging rhythms of the heart and develop patterns that help prevent arrhythmias are some of the objectives. It is led by Esther Pueyo, a CIBER-BBN researcher in the BSICoS group of the I3A led by Pablo Laguna. It was selected within the first Starting Grant call of the Horizon 2020 program of the European Union in which more than 3,200 proposals competed.

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Ainhoa González Pujana, NANBIOSIS U10, 2019 best doctoral thesis award by the Bioaraba Research Health Institute

The Bioaraba Health Research Institute has awarded Ainhoa ​​González Pujana, a researcher at NanoBioCell and the Nanbiosis Platform through the U10 Drug Formulation (from CIBER-BBN and UPV-EHU), the award for the best doctoral thesis 2019 at the XXI Bioaraba Research and Innovation Conference, held last November 5 in Vitoria-Gasteiz.

Along with the recognition, the award consists of an economic endowment of € 1,000 in funds for R + D + i. The thesis, directed by Professor Rosa María Hernández and Dr. Edorta Santos Vizcaíno, has been carried out in the NanoBioCel group of the Faculty of Pharmacy of the University of the Basque Country (UPV / EHU). Under the title “Bioinspired three-dimensional multifunctional systems to enhance the therapeutic potential of mesenchymal stromal cells”, the thesis has focused on the design of biomimetic matrices that enhance the immunomodulatory effect of mesenchymal stem cells, as a therapeutic alternative for treatment of the immunological alterations that occur in diseases such as ulcerative colitis, Crohn’s disease or Lupus erythematosus.

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New Webinar: Introduction to regulatory aspects of in vitro diagnostic (IVD) medical devices

On November 25th, CIBER-BBN organized a new webinar on regulatory aspects of in vitro diagnistic (IVD) medical devices.

The European Parliament, in 2016, approved the new regulations that redefined the development of In Vitro Diagnostic (IVD) methods, with the aim of providing a framework of greater safety and transparency for patients, and at the same time renewing the regulations in force in that moment.

This conference is aimed at researchers from the Academy, or any professional interested in clarifying the most important changes in regulations for the development of IVD products. We will have the participation of experts from the national competent authority, and several companies that will explain their experience to bring this type of product to market. Among them: Ramón Martínez Máñez Scientific Director of NANBIOSIS Unit 26 NMR: Biomedical Applications II and Laura Lechuga, Scientific Director of U4 Biodeposition and Biodetection Unit

Registration and program here.

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Update on biomaterials, bioengineering and nanomedicine, with a focus on COVID-19, at the annual CIBER-BBN conferences

National and international leading researchers have addressed this Monday and Tuesday the main scientific advances and challenges in the areas of bioengineering, biomaterials and nanomedicine. For yet another year, the XIV CIBER-BBN Annual Conference, held online, has brought together all the scientific groups in this area of ​​the ISCIII Center for Online Biomedical Research (CIBER).

The conference was opened on Monday by the director of the ISCIII, Raquel Yottti, who highlighted the role of the CIBER-BBN investigation “to find answers to very complex problems, specifically this year in the field of the fight against the pandemic.” The scientific director of the CIBER-BBN, Ramón Martínez Máñez, highlighted the good results in scientific production of the groups at the center, the importance of internationalization and the high number of requests for European projects.

Internal collaborations and projects with CIBEREHD

This edition of the conference has included presentations of internal collaboration projects, three plenary talks given by renowned experts in the fields of Hybrid Biosignals and Nanomaterials Analysis, a forum on the main achievements of ICTS Nanbiosis, and a session dedicated to COVID- 19 and the most recent advances in fighting disease in detection, prevention, and therapy.

The conference began on Monday with two internal collaboration sessions, in which topics such as hybrid (nano) materials for biomedical applications, molecular and metabolic biomarkers in bladder cancer for new detection and treatment strategies or technologies based on in proteins for targeted tumor cell therapy.

She also highlighted the collaboration in these conferences of the CIBER on Liver and Digestive Diseases (CIBEREHD), thanks to the participation of María Luz Martínez, from CIC BIOGUNE. In this session, the seed projects were discussed in collaboration between the two areas.

Session on COVID-19

During the day of the 17th, the first part has been dedicated to COVID-19. Jordi Vila, from the Institute of Global Health and Hospital Clínic de Barcelona, ​​spoke about the ‘Evolution of the clinical microbiological diagnosis of COVID-19 during the pandemic’, while Julià Blanco, from the IrsiCaixa AIDS Research Institute of Barcelona, ​​has fact about the ‘Immune responses to SARS-CoV-2 infection and vaccination’. For her part, Nuria Oliver, curator of the Presidency of the Valencian Community, has focused on ‘Data science to fight COVID-19’.

The conference closed this Tuesday with two sessions on internal collaborations and another on Nanbiosis, the ICTS of the CIBER-BBN, Bionand and the Jesús Usón Center for Minimally Invasive Surgery (CCMIJU) .

Source of information: ISCIII

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