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See detailDevelopment of cryopreservation methods for long-term preservation of cyanobacterial strains in the BCCM/ULC collection
Crahay, Charlotte ULiege; Renard, Marine ULiege; Mari, Maud et al

Poster (2015, August 03)

Long-term genetic and functional stability is a fundamental requirement for the maintenance of microorganisms and cryopreservation is the preferred method for the long-term storage of many micro-organisms ... [more ▼]

Long-term genetic and functional stability is a fundamental requirement for the maintenance of microorganisms and cryopreservation is the preferred method for the long-term storage of many micro-organisms, including cyanobacteria. The BCCM/ULC collection currently holds 200 cyanobacterial strains, but only 62 are cryo-preserved. The main limiting factors are the low levels of survival of some strains and the long periods required to recover from cryopreservation, and thus the inability to deliver rapidly cryopreserved strains to the user community. The devel-opment of improved cryopreservation protocols is therefore required for the future expansion and valorization of the collection. The BRAIN-be project PRESPHOTO (preservation of photosynthetic micro-algae in the BCCM collections) (www.presphoto.ulg.ac.be) aims to improve the preservation of cyanobacterial and diatoms in the BCCM/ULC and BCCM/DCG collections, respectively. [less ▲]

Detailed reference viewed: 78 (8 ULiège)
See detailDevelopment of customer-oriented space weather related services for real-time GPS applications
Bavier, Michaël; Warnant, René ULiege; Lejeune, Sandrine et al

Conference (2006)

Detailed reference viewed: 18 (0 ULiège)
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See detailDevelopment of design rules for iron columns reinforced by FRP
Ly, Dong Phuong Lam ULiege; Demonceau, Jean-François ULiege; Jaspart, Jean-Pierre ULiege

Report (2008)

In the available literature, some techniques of reinforcement are proposed: reinforcement with the use of cables, replacement of damage elements, creation of a composite action by connecting the damage ... [more ▼]

In the available literature, some techniques of reinforcement are proposed: reinforcement with the use of cables, replacement of damage elements, creation of a composite action by connecting the damage elements to a concrete slab, etc; but few of them are applicable to the Umberto 1 gallery. The one that seems to be applicable is the FRP (Fibre Reinforcement Polymer) technique. The behaviour of composite elements composed of FRP and steel members under tension seems to be known, but little information is available as far as the behaviour of such elements in compression. Following the "Iron meeting" held in Naples on June 8th, 2006, tests on stocky elements with and without FRP are planned to be performed in tension and in compression to identify the effect of FRP on such elements. In addition, tests on slender columns will be performed with and without FRP to investigate the influence of the latter on the buckling resistance. All the tests will be accompanied by coupon tests to identify the mechanical properties of the constitutive material of the tested specimens (Liège contribution to WP7). Based on the test campaign, analytical design rules founded on an elastic approach have been developed for the computation of the resistance of iron columns reinforced by FRP; these rules are detailed in the present section and reflect the contribution of the University of Liège to WP9. [less ▲]

Detailed reference viewed: 42 (12 ULiège)
See detailDevelopment of design rules for steel structures subjected to natural fires in closed car parks
Schleich, Jean-Baptiste; Cajot, Louis-Guy; Pierre, M. et al

Report (1999)

Detailed reference viewed: 202 (4 ULiège)
See detailDevelopment of design rules for steel structures subjected to natural fires in large compartments
Schleich, Jean-Baptiste; Cajot, Louis-Guy; Pierre, M. et al

Report (1999)

In this project was introduced for the first time in Europe the concept of localised fire which was quantified from the experimental tests made by Hasemi in Japan and was finaly introduced in Eurocode 1 ... [more ▼]

In this project was introduced for the first time in Europe the concept of localised fire which was quantified from the experimental tests made by Hasemi in Japan and was finaly introduced in Eurocode 1 (EN 1991-1-2) [less ▲]

Detailed reference viewed: 130 (3 ULiège)
See detailDevelopment of diamond AGPM coronagraphs for VISIR and NACO
Delacroix, Christian ULiege; Habraken, Serge ULiege; Karlsson, Mikael et al

Conference (2012, March 22)

Detailed reference viewed: 38 (3 ULiège)
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See detailDevelopment of digital holography in the long wave infrared range for assessment of space reflectors
Thizy, Cédric ULiege; Vandenrijt, Jean-François ULiege; Georges, Marc ULiege et al

in Proceedings of ICSO 2010 - International Conference on Space Optics (2010, October)

Detailed reference viewed: 54 (10 ULiège)
See detailDevelopment of discontinuous Galerkin method for linear strain gradient elasticity
Chandran, Ram B; Noels, Ludovic ULiege; Radovitzky, Raul

Conference (2007)

Detailed reference viewed: 18 (2 ULiège)
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See detailDevelopment of Disease - Bacterial Toxins and their Interaction with Host Cells
Mainil, Jacques ULiege

in Annales de Médecine Vétérinaire (2005), 149C(Special issue), 15-23

Detailed reference viewed: 8 (0 ULiège)
See detailDevelopment of disease : bacterial toxins and their interaction with host cells
Mainil, Jacques ULiege

Scientific conference (2005)

Detailed reference viewed: 16 (2 ULiège)
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See detailDevelopment of Driver Assistance Systems by Use of SiL and HiL Techniques in the Traffic Flow Simulation Program PELOPS
Breuer, K.; Christen, Fréderic ULiege

(2002, October 07)

In this article methods are shown to use software in the loop (SIL) and hardware in the loop (HIL) techniques in connection with the microscopic traffic flow simulation program PELOPS. With some ... [more ▼]

In this article methods are shown to use software in the loop (SIL) and hardware in the loop (HIL) techniques in connection with the microscopic traffic flow simulation program PELOPS. With some application examples the use of these methods are depicted. In this context the ossibilities of such coupled simulation tools in development of driver assistance systems are presented. An outlook is given to future enhancements of the described HIL techniques to control for example test benches or assess real vehicles in virtual traffic. [less ▲]

Detailed reference viewed: 47 (0 ULiège)
See detailDevelopment of duplex RT-PCR tests for the routine detection of latent and ILAR viruses in fruit trees
Roussel, S.; Kummert, J.; Dutrecq, O. et al

Poster (2004)

Detailed reference viewed: 5 (1 ULiège)
See detailDevelopment of duplex RT-PCR tests for the routine detection of latent and ILAR viruses in fruit trees
Roussel, S.; Kummert, J.; Dutrecq, O. et al

Conference (2004)

Detailed reference viewed: 8 (0 ULiège)
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Peer Reviewed
See detailDevelopment of ecotoxicoproteomics on the freshwater amphipod Gammarus pulex: Identification of PCB biomarkers in glycolysis and glutamate pathways
Leroy; Haubruge, Eric ULiege; De Pauw, Edwin ULiege et al

in Ecotoxicology & Environmental Safety (2010), 73(3), 343-352

Detailed reference viewed: 9 (0 ULiège)
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Peer Reviewed
See detailDevelopment of educational info capsules proposing instructional strategies aiming to deal with overweight and obese students
Cloes, Marc ULiege; LEBRETHON, Marie-Christine ULiege; Feron, Isaline

Conference (2014, February 13)

Irwin et al. (2003) pointed out the principles that quality PE teachers should incorporate into their pedagogical practice in order to take into account the increasing number of overweight and obese ... [more ▼]

Irwin et al. (2003) pointed out the principles that quality PE teachers should incorporate into their pedagogical practice in order to take into account the increasing number of overweight and obese students in their classes. Fighting against obesity is so complex that no simple solution can be proposed. It means that the development of specific tools providing PE teachers with new instructional strategies inspired from public health is needed (Prusak et al., 2011). Inclusion of overweight students into PE can be linked with a social ecological model (Li & Rukavina, 2012). Even if PE teachers are able to develop and implement specific instructional strategies, it seems that they need support from health experts (Cloes et al., 2013). Internet, continuing professional development activities, and educational info capsules were identified as the preferred supports to be used by the practitioners (Cloes et al., 2014). The aims of this study were to produce and validate three pedagogical capsules focusing on specific concerns of PE teachers as well as to analyze the procedure of validation. Using an extensive analysis of the literature, the researchers first identified theoretical and practical resources to be mobilized in the understanding and development of solutions for the selected problems: (1) Students’ lack of awareness about the risks of overweight and obesity; (2) Constraints associated with the motor/physical disabling; (3) Parents’ lack of awareness about PA impact on health. The capsules were then submitted to 11 experts (health specialists, health educators, psychologists, PE teachers) who had to analyze the documents. They acknowledged the content and form of the capsules. Minor changes were requested in order to finalize them. The proposed evaluation sheet was also validated but face-to-face assessment was recommended. Dissemination of the existing capsules as well as development of additional ones should be the next steps of this project. [less ▲]

Detailed reference viewed: 70 (2 ULiège)
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See detailDevelopment of edumetrical indices for the analysis of the spectral quality of higher education standardized tests
Gilles, Jean-Luc ULiege

in 11th Biennal Conference of the European Association for Research on Learning and Instruction - Multiple Perspectives on Effective Learning Enviroments - Abstracts (2005)

Detailed reference viewed: 27 (4 ULiège)
See detailDevelopment of electrospun chitosan scaffold for wound dressing application
Aqil, Abdelhafid ULiege; Tchemtchoua, Victor; Colige, Alain ULiege et al

Poster (2011, November 28)

Wound dressing is one of the most promising medical applications for chitosan, due to its adhesive nature, together with some biological properties including bacteriostatic and fungistatic properties that ... [more ▼]

Wound dressing is one of the most promising medical applications for chitosan, due to its adhesive nature, together with some biological properties including bacteriostatic and fungistatic properties that help in faster wound healing. In this work we propose a chitosan biomimetic scaffolds and methods for modulating their intrinsic properties such as rigidity, elasticity, resistance to mechanical stress, porosity, biodegradation and absorbance of exudates. Therefore, the chitosan scaffold comprising at least two fused layers, wherein the advantage of a first fused layer composed of a chitosan electrospun nanofiber membrane are oxygen-permeability, high porosity, variable pore-size distribution, high surface to volume ratio, and most importantly, morphological similarity to natural extracellular matrix in skin, which promote cell adhesion migration and proliferation. The advantages of a second fused layer comprising a porous chitosan support layer are improving mechanical property, good absorption capacities to remove excess exudates and good water and gas exchange. Moreover, the scaffold was characterized by (i) a good adhesion between the porous and nanofiber layers, (ii) a tuneable porosity of the nanofiber layer by tuning the distance between the nanofibers, (iii) a stable nanofibers and porous morphology even when immersed in water. Finally, the scaffolds have shown tremendous promise as a wound dressing, in tissue engineering. The three main human cell types fibroblasts, endothelial cells and keratinocytes was cultured in vitro on electrospun nanofibers scaffold. Properties of electrospun chitosan scaffold and chitosan sponges obtained by lyophilization were also compared in vivo, in order to evaluate importance of the 3D-architecture of the biomaterial. [less ▲]

Detailed reference viewed: 29 (3 ULiège)