Optimisation of microbial fuel cells 1

... due to the water diffusion from the cathode toward the anode All these results are of great interest to the improvement of water management in PEMFC They lead to a better understanding of how to ... the B.Sc and M.Sc degrees in mathematics from the University of Lome, Lome, Togo, in 1998 and 1999, respectively, and the M.Sc and Ph.D degrees in ind...

Ngày tải lên: 05/09/2013, 14:58

... The material parameters, cell design, and cell operating conditions that give optimal performance depend on the application area Stationary, portable, and transportation applications all have ... an optimal design for PEM fuel cells to generate maximum power The analysis helped identifying critical parameters and shed insight into the physical mechanisms leading to a f...

Ngày tải lên: 05/09/2013, 14:58

... PVDF-SPS composite membrane Table shows the water uptake of the pristine PVDF membrane, the PVDF-PS membrane and the PVDF-SPS composite membrane The blending of PS polymer reduces the water uptake of ... of the PVDF-SPS membrane: (a) C1s, (b) O1s, (c) S2p 3.4 Morphology of the PVDF-SPS composite membrane The morphologies of the pristine PVDF...

Ngày tải lên: 05/09/2013, 16:11

... Application of the antibody to thin sections of wild-type cells grown on oleic acid medium Fig SKL is required to direct Mls1p to the peroxisomes under oleic acid- medium conditions (A) Speci®city of the ... issue of the partitioning of the glyoxylate cycle in cells grown under fatty acid- medium conditions has hitherto remained open We showed h...

Ngày tải lên: 22/02/2014, 04:20

... highlighted adhesion- regulating molecule- 1 (ARM -1) protein, an adhesion- regulating molecule previously identified on T cells [17 ] We found that ARM -1 was widely expressed in endothelial cells from ... lymphocyte adhesion The potential role of ARM -1 in lymphocyte adhesion was studied by comparing adhesion properties of ARM -1- nonexpressing cells before an...

Ngày tải lên: 07/03/2014, 17:20

... cascade occurs in these cells even in the absence of mutations in the coding region of the gene Finally, our study of the natural MC1R variants highlights several aspects of the structure function ... to the C-terminus of the protein This tag corresponds to the sequence RFYPYDVPDYAGYPYDVPDYAHHHHHH, placed immediately after the C-terminal W317 residue...

Ngày tải lên: 17/03/2014, 10:20

... not inhibit the activation of PAK1 by LPA in A2058 cells PAK1 activation is required for LPA-induced FAK phosphorylation and motility LPA has been shown to increase phosphorylation of FAK in human ... cells, cells were pretreated with either tyrosine kinase inhibitor, genistein, or MAP kinase inhibitor, PD98059 Inhibition of tyrosine kinase by genist...

Ngày tải lên: 30/03/2014, 13:20

... liver metastasis [18,19] Therefore, upregu- lation of LFA-1 expression on cancer cells at this early stage of the hepatic metastasis process may contribute to VEGF production by metastatic cells ... pro-metastatic role of this selected ensemble of proteins associated to the 3D -growth of CT26 colorectal carcinoma cells Conclusion This study demonstrates that cultu...

Ngày tải lên: 18/06/2014, 15:20

... as the basis for concluding that NK cells play no role in innate resistance to HSV-1 Likewise, we question the validity of comparisons of HSV-1 infection in mice that exhibit "high" or "low" natural ... NK cells are dispensable for the innate resistance of mice to HSV-1 infection, further investigation is necessary to determine what role, if any, NK cel...

Ngày tải lên: 19/06/2014, 08:20

... Sites A microbial pathogen can potentially enter any part of a host organism In general, the type of disease produced by a particular microbe is often a direct consequence of its route of entry ... presence of potentially pathogenic microbes in or on a host), infection (attachment and growth of pathogens and avoidance of host defenses), and disease (often, but not always, the...

Ngày tải lên: 07/07/2014, 04:20

... dependent on the cell configurations (Figure 3) and electrolyte condition, while the selection of electron acceptor species and the catalysts for 10 Chapter Introduction reaction acceleration could ... electrolyte in dual-chamber MFCs and always saturated, and it could also be used in single-chamber MFCs by incorporating membrane -cathode- assembly (MCA) Chapter Introduction c...

Ngày tải lên: 10/09/2015, 09:29

... Suitable for all sizes of power stations, kW to multi-MW Table 1. 1 Main types of fuel cells and their characteristics and applications   1. 3 Proton Exchange Membrane Fuel Cells (PEMFCs) Proton Exchange ... 1- 1 to 1- 3 [2]: Anode: H2 2H+ + 2e- Cathode: 2H+ + 2e- + 1/ 2O2 Overall: H2 + 1/ 2O2 (1- 1) H2O H2O + electricity + heat (1- 2) (1- 3) According to Eq 1- 3, t...

Ngày tải lên: 11/09/2015, 10:02

... al (20 10) Freguia et al (20 07) Freguia et al (20 08a) 0.9 700 1.4 0 .22 0 .27 0. 42 0.57 0.67 0. 72 0. 72 0.75 1 .2 1 .26 1. 32 1.45 1.68 3.78 4.13 4.63 28 28 85 388 12 28 145 900 20 0 26 170 328 0 26 2. 5 ... 0.75 0.7 408 329 85 108 93 169 27 7 21 3 75 71 57 42 53 23 34 26 0.000 02 0.94 3.06 V (mL) 0.0055 2. 4 510 Pvmax (W mÀ3) Ref 4.4 3 92. 6 Qian et al (20 09) Ringeise...

Ngày tải lên: 13/10/2015, 15:55

... comparison of membranes and enrichment strategies for microbial fuel cells Bioresour Technol (2 011 ), doi :10 .10 16/j.biortech.2 011 .02.003 O Lefebvre et al / Bioresource Technology xxx (2 011 ) xxx–xxx ... comparison of membranes and enrichment strategies for microbial fuel cells Bioresour Technol (2 011 ), doi :10 .10 16/j.biortech.2 011 .02.003 O Lefebvre et al / Bioreso...

Ngày tải lên: 13/10/2015, 15:56

... 1.3 Microbial Fuel Cells ……………………………………………………………….2 1.4 Microbial Fuel Cells for wastewater treatment and energy recovery ……………… Chapter : Literature Review 2.1 Principle of a Microbial ... 22 2.4 Microbial Fuel Cell Modeling …………………………………………………… 22 Chapter : Theoretical developments 24 3.1 Modeling of our Microbial Fuel Cells …………………………………………….24 3.1.1 Descrip...

Ngày tải lên: 16/10/2015, 15:39