CONTROLLABILITY OF ELECTROSPINNING AND ELECTROSPRAYING ADVANCES AND APPLICATION

... CONTROLLABILITY OF ELECTROSPINNING AND ELECTROSPRAYING - ADVANCES AND APPLICATION SEBASTIAN HEINZ GERHARD NEUBERT (Diplom-Ingenieur, TUM) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING ... a) Schematic drawing of standard electrospinning setup and electrospinning, and b) photography of polymer jet during electrospinning The descibed process and t...

Ngày tải lên: 03/10/2015, 21:57

... silk fibroin fiber scaffolds containing bone morphogenetic protein (BMP-2) and/ or nanoparticles of hydroxyapatite (nHAp) using electrospinning, and showed its ability in inducing in vitro bone formation ... the applications of electrospinning and supercritical CO2 foaming techniques With the aid of physical and chemical modifications on mechanical properties...

Ngày tải lên: 14/09/2015, 08:41

... 1660-1680 Turn 26 2 38±18 30 2 29±1 26 2 1681-16 92 β- Antiparallel 26 ±3 24 ±4 25 2 24±1 26 2 α-helix percentage is the most important criterion in judging the denaturation of protein In Figure 3.9, ... conformations BMP -2 from from from F1 components native F2 F3 F4 (cm-1) 1647-1660 α-Helix 12 1 9 2 11 2 11 2 12 1 1615-1636 β- sheet 26 ±4 19±7 24 ±6 26 2 25 2 163...

Ngày tải lên: 14/09/2015, 08:41

... 4 .3 Comparison of performance scores for all samples at specific intervals* Control F1 F2 F3 F4 Week 0.00 0.00 0 .33 0.67 1 .33 Week 1.67 2.00 1.00 2.00 2.00 Week 2.67 3. 33 2.67 3. 33 3 .33 Week 3. 67 ... with increasing HAp content From 408ppm in scaffold F1, the DCM content dropped to 34 035 0ppm in scaffolds F2 and F4, and dropped even further to almost 33 2ppm in sca...

Ngày tải lên: 14/09/2015, 08:41

... DNA release from different scaffolds in PBS at 37 ºC Irrespective of the release modes, the release rate of plasmid DNA increases with increasing loading of HAp nanoparticles, but the whole release ... their release properties and morphology We further explored the in vitro study of plasmid DNA by investigating the effects of HAp content and the different methods...

Ngày tải lên: 14/09/2015, 08:41

... three kinds of scaffolds was well maintained, which helped improve the formation of new bone and the healing of segmental defects in vivo Groups A, B and C released DNA or DNA nanoparticles in different ... solution (0.02% in mM sodium acetate buffer, pH 5. 0) and DNA solution of 100µg/mL in 5- 50 mM of sodium sulfate solution were preheated to 50 -55 °C separatel...

Ngày tải lên: 14/09/2015, 08:41

... fabricated by the combination of spray drying and supercritical CO2 foaming techniques and the effects of chitosan incorporation on the following factors was investigated: in vitro release of DNA, cell ... cases of scaffolds F1 and F2 To evaluate the effects of the fabrication process (including spray drying, supercritical CO2 foaming, and handling of samples)...

Ngày tải lên: 14/09/2015, 08:41

... promising results in controlled release of DNA, but the release rate of DNA and subsequent expression of target protein is too low, especially in the initial stage (Figures 7. 5a and 7. 7b) Therefore, ... by a period of slow release profile Compared with the release profile of F0, the release profiles of F1 and F2 are relatively linear and sustainable The...

Ngày tải lên: 14/09/2015, 08:41

... potential applications of electrospinning and supercritical CO2 foaming techniques in the fabrication of three dimensional scaffolds for controlled release and bone regeneration These two techniques ... sustained release of DNA, possibly due to a balance of electrostatic interaction and hydrophilic interaction between DNA and the surface of Lysine pep...

Ngày tải lên: 14/09/2015, 08:41

... shopping, and psychographic portrait of customers A number of drawbacks and benefits pertaining to the tools have been pointed out and discussed Both the research models and the tools, while diverse to ... helps to raise customer service standards and identify weak points from the customer perspective It allows evaluation of services from the customer sid...

Ngày tải lên: 04/11/2013, 10:15

... multiple of 1.5 , so it is obvious that each Journal of Inequalities and Applications α −1 column of Hμ belongs to the convergence domain of A However, it will be necessary to calculate the terms of ... convenience of regularity, we will use the sequence α μn since the constant −1/ a − a n−a α n α , 1.6 α α does not affect the size of the convergence domain of Hμ Journ...

Ngày tải lên: 21/06/2014, 04:20

... Journal of Inequalities and Applications and denote by t : max{t, 0} the truncated power function The notation Lt f t, s means that the functional L is applied to f considered as a function of ... Applying the functional L to both sides of 2.10 and noting 2.7 and 2.8 , we obtain 2.4 as required A Functional Proof It seems that the original proof of Wang and Han recorde...

Ngày tải lên: 21/06/2014, 04:20

... and Applications K A Khan, J Peˇ ari´ , and I Peri´ , “Differences of weighted mixed symmetric means and related c c c results,” journal of Inequalities and Applications, vol 2010, Article ID 289730, ... provided that the denominators are nonzero The idea of the proofs of Theorems 3.1 and 3.2 is the same as the proofs of Theorems 2.3 and 2.4 in Corollary 3.3 Le...

Ngày tải lên: 21/06/2014, 04:20

... if and only if ∞ p α β k α kλ pλ n ak ≤ p − β k p α ≥ 0; ≤ β < 1; p ∈ N; n ∈ N0 2.3 Journal of Inequalities and Applications Proof Suppose that f ∈ Γλ n, α, β Then by the inequalities 1.3 and ... is called a dominant of the solution of the differential subordination, J ≺ q Journal of Inequalities and Applications 13 Lemma 4.1 see 19 Let q z / be univalent in U Let...

Ngày tải lên: 21/06/2014, 04:20

... β, Proof

Ngày tải lên: 21/06/2014, 06:20