44 research outputs found
Le Peuple : organe quotidien du syndicalisme
15 mai 19381938/05/15 (A20,N6322)-1938/05/15
Comparison of <i>Full_Bsif</i> and the ensemble <i>F</i> of the best methods investigate in this section (<i>AUC</i> is reported).
<p>Comparison of <i>Full_Bsif</i> and the ensemble <i>F</i> of the best methods investigate in this section (<i>AUC</i> is reported).</p
Preprocessing by <i>Wa</i>.
<p>Rows represent the three classes fusiform, epithelioid and cobblestone. <i>Left</i>: original image; <i>right</i>: horizontal, vertical and diagonal details.</p
Preprocessing by <i>OR</i>.
<p>Rows represent the three classes fusiform, epithelioid and cobblestone. <i>Left</i>: original image; <i>right</i>: the three oriented images.</p
Performance (<i>AUC</i>) comparison among different <i>Bsif</i>-based approaches.
<p>Performance (<i>AUC</i>) comparison among different <i>Bsif</i>-based approaches.</p
Texture descriptors and their parameter sets.
<p>Texture descriptors and their parameter sets.</p
Collagen-immobilized polyimide membranes for retinal pigment epithelial cell adherence and proliferation
Degenerative retinal diseases are a leading cause of visual loss and irreversible blindness, particularly in the developed world. Retinal pigment cell (RPE) transplantation is nowadays considered the most promising therapeutic approach for certain retinal diseases, and the presence of a supportive scaffold has been considered essential to ensure the success of the implant. In this work, collagen IV was covalently immobilized to the surface of polyimide membranes, with the purpose of developing scaffold materials for RPE cell culture. The covalent modification method involved four steps: argon-plasma treatment, acrylic acid graft polymerization, surface activation, and finally immobilization of collagen type IV. Collagen-modified membranes did not become more rough but became significantly more hydrophilic than the unmodified and dip-coated controls. ARPE-19 cell morphology and attachment were studied by immunofluorescence staining and confocal microscopy. Covalently modified surfaces showed cell attachment and cell properties comparable to the uncoated and dip-coated controls. This work demonstrated the potential of collagen IV-immobilized polyimide membranes as substrates for the growth of ARPE-19 cells.publishedVersionPeer reviewe
Class properties used for building the ground truth.
<p>Class properties used for building the ground truth.</p
Fittings of the model to the experimental data.
<p>(A) GA-treated, and (B) control data sets with dashed lines representing the data in dimensionless NF units and solid lines representing the model simulations with arbitrary units representing [Ca<sup><b>2+</b></sup>]<sub>i</sub> in μM concentrations. The uppermost curve pair (blue) represents NB1, the second uppermost NB2 (green), followed by NB3 (red), NB4 (light blue), NB5 (purple), NB6 (yellow), NB7 (black), NB8 (light red), NB9 (grey), and NB10 (orange).</p
Preprocessing by Gabor filters.
<p>Rows represent the three classes fusiform, epithelioid and cobblestone. <i>Left</i>: original image; <i>right</i>: convolved images at scale 4.</p