design optimization of a tissue engineering scaffold

... Tables Table 3.1: Width of plateaus whose design width are all 60μm 38 Table 3.2: Wall thickness of wall of microparts (sample wafer A) : nominal value and actual value measured (The nominal value ... have at least DoF and dimension of some cm3 MINIMAN® are piezoelectrically actuated to achieve a resolution in the range of nanometers and also capable of traveling a relatively long distance Many ... scaffold as background; (B) image of a naked gripper with scaffold as background; (C) image of gripper with part and part wafer as background; (D) image of naked gripper with part wafer as background...

Ngày tải lên: 11/09/2015, 09:17

... Electroanal Chem 1998;251(2):275295 [15] Sampath Yerramalla, Asad Davari, Ali Feliachi and Tamal Biswas, Modeling and simulation of the dynamic behavior of a polymer electrolyte membrane fuel ... (kg/mol) Pa , Pc total pressure of anode and cathode, respectively (atm) * * PH , PO2 partial pressure of hydrogen and oxygen at the anode catalyst / gas interface and cathode catalyst / gas interface, ... [6] K.S Dhathathreyan, P Sridhar, G Sasikumar, K.K Ghosh, G Velayutham, N Rajalakshmi, C.K Subramaniam, M Raja and K Ramya, Development of polymer electrolyte membrane fuel cell stack Int J Hydrogen...

Ngày tải lên: 05/09/2013, 14:58

... flow behavior and regulate the pressure are also analyzed Mathematical approach Although the Navier-Stokes equations have a limited number of known analytical solutions, they are adequate for ... unfavorable hydrodynamic impact on the operation and performance of turbines, and can cause dangerous hydropneumatic effects, such as noise and vibrations 1.4 Draft tube and tailrace Another challenge ... fraction values decrease again towards downstream and the density values of the mixture of water vapor, other dissolved gases and water increase again in the same direction Both the water vapor...

Ngày tải lên: 05/09/2013, 14:58

... transfer coefficient and F2 is the total heat transfer surface area of the cold-side heat exchanger Here the & &′ imaginary part n2 of n indicates the relaxation of a heat transfer process Defining ... / F1 and FT = F1 + F2 Here, the total heat transfer surface area FT of the two heat exchangers is assumed to be a constant (3) There is a constant rate of heat leakage ( q ) from the heat source ... efficiency of a traveling wave heat engine J Acoust.Soc Am., 1982, 7(3): 1239-1243 [3] Yazaki T, Iwata A, mackawa T and Tominaga A Traveling wave thermoacoustic engine in a looped tube Phys Rev Lett.,...

Ngày tải lên: 05/09/2013, 16:10

... the scaffold as well as biological evaluation as the first author SAY was in charge of cell culture SHC participated in the biological evaluation and performed the statistical analysis KMK participated ... better mechanical properties as well as having adequate biological properties The naturalbased materials such as polysaccharides (starch, alginate, chitin/chitosan, hyaluronic acid derivatives) ... β-tricalcium phosphate scaffolds under vacuum The mechanical and biological properties of the fabricated scaffolds were evaluated and compared to the uniformly sized porous scaffolds and scaffolds...

Ngày tải lên: 21/06/2014, 17:20

... adequate support to the mechanically unstable gel, thereby facilitating in vivo implantation For example, Caterson et al have utilized a three-dimensional biodegradable PLA-alginate amalgam scaffold ... 22] and a PLA scaffold, our labo- Kamil SH, Kojima K, Vacanti MP, Bonassar LJ, Vacanti CA, Eavey RD: In vitro tissue engineering to generate a human-sized auricle and nasal tip Laryngoscope 2003, ... beads J Cell Sci 1994, 107 ( Pt 1):17-27 Kulseng B, Skjak-Braek G, Ryan L, Andersson A, King A, Faxvaag A, Espevik T: Transplantation of alginate microcapsules: generation of antibodies against...

Ngày tải lên: 09/08/2014, 01:23

... myeloma: results of a phase dose-escalation study Br J Haematol 150:438-445 Nakashima T, Ishii T, Tagaya H, Seike T, Nakagawa H, Kanda Y, Akinaga S, Soga S, Shiotsu Y: New molecular and biological ... conceived, designed and implemented the study, and drafted the manuscript RB and GC participated in the implementation of the study, and the acquisition, analysis and interpretation of data All authors ... The anti-myeloma activity of PUH71 and the geldanamycin analogues (17-AAG, 17-DMAG), which are all pan-HSP90 inhibitors, was, however, significantly reduced in the absence of gp96 This data suggests...

Ngày tải lên: 10/08/2014, 22:21

... of tissue damage, articular defects can be classified into three types: - mechanical disruption of articular cartilage limited to articular cartilage - damage to the cells and matrices of articular ... ground substance of articular cartilage contains also a large variety of noncollagenous proteins and polysaccharides The molecules vary in their abundance and structure with anatomical site or ... articular cartilage and subchondral bone - mechanical disruption of articular cartilage and bone Each type of tissue damage initiates a distinct cell driven repair response [21-23] The ability of...

Ngày tải lên: 12/08/2014, 00:20

... Capabilities (ROCs) ROCs AAW AAW 1.1 AAW 1.2 AAW 1.3 AAW AAW AAW AAW AAW Description AMW 14 Provide anti-air defense Provide area anti-air defense Support area anti-air defense Provide unit anti-air ... AAW 1.1 Provide area anti-air defense AAW AAW GMLS SEW AAW=1 GMLS=1 SEW=1 AAW=3 GMLS=2 SEW=1 AAW 1.2 Support area anti-air defense AAW AAW GMLS SEW AAW=1 GMLS=1 SEW=1 AAW=3 GMLS=2 SEW=1 ADF Design ... radar ASUW ASU ASW ASW 1.1 ASW 1.2 Disengage, evade and avoid surface attack Engage submarines Engage submarines at long range Engage submarines at medium range ASUW ASW ASW ASW ASW 1.3 Engage...

Ngày tải lên: 02/11/2014, 12:50

... machine GA 30 and parallel GA for 20 runs Table 3.1 Table of weighing factors 45 Table 3.2 Table of specifications of available propulsion sets 47 Table 3.3 Table of specifications of available ... rotary-wing MAV design problem can be formulated as a GA optimization problem A low-cost approach to the development of a UAV/MAV can be achieved by integrating the smallest available commercial-off-the-shelf ... machine GA 84 and parallel GA for 20 runs Table 5.1 Table of lower and upper bounds of design parameters 106 Table 5.2 Table of weighing factors 108 Table 5.3 Table of converged parameters and...

Ngày tải lên: 14/09/2015, 10:33

... methods of evaluating the risk of credit card applications In particular, credit scoring aims to discriminate applicants that are likely to be “good” and profitable cardholders from applicants that are ... “good” given his application characteristics and the probability of a cardholder being “bad” given his application characteristics, to be a linear combination of the characteristic variables Let x ... expression of x, called quadratic discriminant analysis (QDA) The outputs of the discriminant analysis are the estimations of the parameters of the two normal multivariate distributions that best...

Ngày tải lên: 16/09/2015, 14:04

... characteristics of the main class of permanent magnets [2] Finally, the development of rare earth permanent magnets in the 60’s gave a significant advantage to permanent magnet excitation The early rare earth ... leakage flux dimensions of an IPMSM, classical analytical tools are unreliable and too basic when accurate models of the motor parameters of an IPMSM are needed Numerical methods are then a must ... also shown that an optimal design with an infinite CP SR can be achieved for a particular set of the design variables Its main characteristic is that the magnet flux can be cancelled by the armature...

Ngày tải lên: 04/10/2015, 15:45

... 1.3 Research Focus 23 the design A photograph of the die of this transistor is shown in Figure 1.22 source n+ GaAs Schottky gate drain SiN Lg GaAs/AlGaAs layers InGaAs GaAs/AlGaAs layers GaAs semi-insulating ... layer of n-type AlGaAs in the emitter The ohmic contacts to the emitter and collector are formed with heavily doped n-type GaAs Emitter Base n+ InGaAs n GaAs n AlGaAs Base p+ GaAs n GaAs Isolation ... adaptive, compact and broadband alternative A highly linear, varactor-based impedance transformer is placed at the output of the carrier amplifier, which performs wideband load-modulation by adaptively...

Ngày tải lên: 27/11/2015, 11:11

... than that of BBA about 20% As simultaneous optimization of both power source sizes and control strategy parameters using BBA and PBA (Tab 3-11; 3-12; 3-13 and 3-14 in Appendix) - BBA and PBA have ... to design and fabricate HEVs Study on theory and hybridisation applications in order to base for the design and fabrication of HEVs and evaluate the advantages of HEVs using in Vietnamses road ... strategy parameters of HEV powertrain systems Bees algorithm is chosen and developed to solve parallel and series-parallel HEV optimization ADVISOR and Matlab software will be applied to simulate...

Ngày tải lên: 09/05/2016, 22:37

... introduction of new materials and additional layers of thermal insulation Because of the new regulations in national and international standards, the admissible value of the heat losses of the walls has ... http://www.emeraldinsight.com/0961-5539.htm Optimization of a window frame by BEM and genetic algorithm Optimization of a window frame 565 Małgorzata Kro´l Department of Heat Supply, Ventilation and Dust Removal Technology, Silesian ... while that of the exterior is mm, and geometry of the frame is approximated by a set of line segments The design variables are contractions, expansions and translations of the air cavities, and...

Ngày tải lên: 16/06/2016, 01:11

... ALP activity and mineral-like nodule formation in hPDLF and hAO 76 Schematic diagram showing the metabolism of ATP and AMP, and the role of ALP on mineralization 76 5.1 Synthesis of (A) DNA and ... epithelium, as a result of an ability of oral epithelium to migrate apically along the root surface (Caton and Nyman, 1980; Caton et al., 1980) Hence, the formation of new epithelial attachment is classified ... and fibre orientation Proteoglycans also regulate 13 Literature review cell adhesion and growth, and have capacity to bind and regulate growth factor activity (Bartold and Narayanan, 1998) Many...

Ngày tải lên: 14/09/2015, 12:07

... which has been evaluated by Catelas et al as a carrier for Transforming Growth Factor Beta (TGF-β1) and it was also advocated by Silverman et al as a possible injectable tissue engineered cartilage ... inherent advantage of the biphasic design given the flexibility in varying the material, structural and mechanical properties of the phases so as to assist cartilage and bone repair is an appealing ... osteochondral tissue Oliveira et al used this approach in the development of a chitosan hydroxyapatite bilayer scaffold [9] The chitosan matrix served as the cartilage phase and it has a Young’s...

Ngày tải lên: 14/09/2015, 14:07

... field of tissue engineering has shown to be a promising alternative in using cell transplantation as a strategy to achieve tissue repair and regeneration for a variety of therapeutic needs One approach ... (lateral collateral ligament and medial collateral ligament), and two interior ligaments (anterior cruciate ligament (ACL) and posterior cruciate ligament), which help control stabilisation and ... bioreactor and ordering of other experimental materials Special thanks to my colleagues at National University of Singapore Tissue Engineering Program iv Laboratory at Defence Science Organisation...

Ngày tải lên: 04/10/2015, 10:25

... temperature from the flat plate collectors, latent heat and refined latent heat of vaporization of water from each stage and specific heat capacity of water from each stage are averaged over the day ... inclined at an angle equal to latitude of Chennai (13o) facing towards due south for the maximum year round performance Each evaporator and condenser tray has an area of 1m2 inclined at an angle of ... variation of global solar radiation and ambient temperature at Chennai for January to June _ Solar radiation -Ambient temperature Figure Mean monthly hourly variation of global solar radiation...

Ngày tải lên: 05/09/2013, 16:11

Ngày tải lên: 21/02/2014, 13:20