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Preclinical validation tissue, biomaterialls and surfaces characterization -Services

Preclinical validation tissue, biomaterialls and surfaces characterization -Services

U18-S01. In vitro Nanotoxicology (Remote) OUTSTANDING

Assays of cell viability/toxicity by XTT, release of LDH and similar indicators.

  • Study of toxicity in normal human cells immortalized by viral infection or tTERT, by means of metabolic XTT test,
  • Production of reactive oxygen species (ROS ) by fluorimetry.

Internalization assays

  • Study of the mechanism of toxic action
  • Analysis of hemocompatibility in blood
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U18-S02. In vivo Nanotoxicology, preclinical histopathology in animal models (Remote) OUTSTANDING

Sample preparation, inclusion, section and staining for preclinical histology (paraffin and frozen samples) as well as anatomopathological evaluation.

Complete necropsy:

  • Hematology
  • ADME/Tox of nanoparticles
  • Study of distribution of markers of interest by immunohistochemistry.
  • Study of the mechanism of toxic action (apoptosis, caspase-independent death, autophagia, necrosis).
  • Preclinical toxicity assays in animal models.

Product characterization studies, solubility and other properties studies; Inmunoassay techniques; Molecular biology techniques; Cell culture techniques; Flow cytometry; Safety studies: Nervous, cardiovascular and respiratory systems; Toxicology studies; PK/PD studies, Security testing of advanced therapies using small and large animals models.

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U18-S03.  In vivo TOXICOLOGY (Onsite&Remote) OUTSTANDING

Complete necropsy:

  • Hematology
  • ADME/Tox of nanoparticles
  • Study of distribution of markers of interest by immunohistochemistry.
  • Study of the mechanism of toxic action (apoptosis, caspase-independent death, autophagia, necrosis).
  • Preclinical toxicity assays in animal models
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U17-S01. Confiocal Microscopy Service (Onsite) OUTSTANDING

Spectral confocal module coupled to an inverted microscope (4 objectives: 10x, 20x, 40x and 63x) equipped with three channels of spectral detection, AOBS (“Acousto-optical beam splitter”) and resonant scanner system. Argón, He/Ne and UV lasers. Incubation cabin for cells, which allows tracking of real-time processes.

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U16-S01. XPS (Remote) OUTSTANDING

Use of the system . X-ray photoelectron spectroscopy to measure quantitative elemental composition of surfaces (%) (except H and He).

Temporarily OUT OF ORDER

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U16-S02. Ellipsometry (Remote) OUTSTANDING

Use of the system to measure the thickness of layers, and the composition, porosity and roughness of materials on a surface.

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U16-S03. Calorimetry (Remote) OUTSTANDING

Tests in real time to measure:
·· Molecule-molecule interactions: Protein-protein, Receptor-ligand, Antibody-antigen, Biomaterial-molecule interactions, Biomaterial-cell interactions.
·· Microbial growth.
·· Cell metabolism.
Experiments of stability, growth,
etc, perfusion and dilution

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U16-S04. Characterization by Tof-SIM (Remote) OUTSTANDING

Surface analysis of organic and inorganic materials (mass spectrum), map of chemical elements present in the surface of the sample (image), profile analysis shows sample analysis in depth.

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U15-S01. Magnetometry (Remote) OUTSTANDING

Magnetometry on nanoparticles in solid form, ultra thin films, powders, liquids and even slurries:

  • Magnetization curves.
  • Coercitivity (normal and remanent).
  • Magnetization vs. time curves.
  • First Order Reversal Curves (FORC) diagrams.
  • Diamagnetic and paramagnetic susceptibility.
  • S* (measurement of the gradient in the second quadrant).
  • Remanent and saturation magnetization.
  • Initial permeability.

Measurements of magnetic properties of materials:

  • Diamagnetic, paramagnetic and ferromagnetic materials.
  • Magnetic recording media.
  • Magnetoresistive Random-Access Memory (MRAM).
  • Amorphous metals.
  • Giant Magnetoresistance Effect (GMR).

Geophysical Research:

  • Measurements of magnetization of rock, sediment and organic samples.

Biomedical Research:

  • Detection of small nanoparticles inside biological tissue in order to study the biodistribution and toxicity.
  • Study of the iron levels which are associated with some types of neurodegenerative disease.
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U15-S02. Relaxometry (Remote) OUTSTANDING

Measurement of the relaxation times in aqueous solutions and biological samples containing superparamagnetic nanoparticles as contrast agents for MR images. For T1 in the continuous range 10 kHz to 80MHz; for T2 in the range 10 MHz to 80MHz.

Characterization of contrast agents for MR imaging, ascertaining their relaxivity and the dominant effect.

NMR relaxometry technique is an important analytical tool for NMR research and material characterization in both industrial and academic environments and has been successfully applied in a wide range of fields:

– Pharmaceutical Applications:

  • R&D of MRI contrast agents
  • Proteinstudies
  • R&D for formulations (e.g. properties of solutions; liposome carriers)
  • Quality control of products in manufacturing

– Polymers Applications:

  • R&D for new polymer materials
  • Control of levels of polymer additive
  • Quality control of products in manufacturing

– Oil, gas and petroleum applications:

  • Oil and gas surveying – rock pore size evaluation
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