preparation of hydrogel substrates

... successful coupling of the RGD to the surface of the liposomes. Assay of particle sizes and morphological ob- servation of RGD-M-LCL The average size of liposomes processed by the microfluidizer was ... Then the sample of LCL was delivered to the Zhejiang California International NanoSystems Institute, and was processed by a m icrofluidizer (Microfluidics , USA). After microf luidizing , the ... representation of the coupling reaction between the maleimide group on the distal end of the PEG chain on the LCL and the -SH group in the cyclic RGD peptide (19). HPLC analysis of the coupling of...

Ngày tải lên: 26/10/2012, 08:57

... weigh the quantities of solid reagent very carefully to the accuracy of 0.05 g or better. In this experiment you will have to calculate for yourself some of the amounts of needed reagents. After ... instructor before proceeding. Dissolve 0.010 mole of sulfanilic acid (anhydride) in about 50 ml of a solution of sodium carbonate containing 0.010 to 0.0125 moles of sodium carbonate in a 125 ml Erlenmeyer ... to 25 °C (room temperature). Put 40 g of ice in a 400 mL beaker and add enough hydrochloric acid of a 6M or a 12 M solution in order to provide a total of 0.030 mol HCl in your beaker. Add the...

Ngày tải lên: 12/12/2013, 21:16

... IN HANOI EXPERIENCE OF THE INSTITUTE OF ENERGY IN THE PREPARATION OF THE RENEWABLE MASTER PLAN Presented by: Nguyen Duc Cuong Institute of Energy Hanoi, 3/2008 Institute of Energy 1. Introduction 9 ... (development of RE Master Plan) Institute of Energy Contents of Presentation 1. Introduction 2. Main Contents of RE Master Plan and Some Preliminary results 3. Experience Institute of Energy Alternative ... tons of oil). ắ Types of biomass can be exploited at the industrial scale: rice husks; leaves, top of sugar canes & baggage; coffee husks and wood residues. Assessment on potential of renewable...

Ngày tải lên: 24/01/2014, 03:20

... allowed for detection of protein spots unique to 2D gels produced from conditioned media of meprin activated cells. LC-MS ⁄ MS analysis of candidate substrates confirmed the validity of this protease ... step towards the elucidation of the biological function of meprin was achieved by testing putatively cleavable polypeptide substrates. A variety of pro- tein and peptide substrates were processed ... algorithm using a FWHM of 0.1 m ⁄ z,aS⁄ Nof one, a relative to base peak intensity threshold of 2%, and an absolute intensity threshold of 10 ion counts as para- meters. A mixed list of deconvoluted...

Ngày tải lên: 07/03/2014, 06:20

... collect on top of the milk and form a layer of cream. Buffalo milk also forms some cream on top, but other kinds of milk, such as that of sheep and goats, hardly form a layer of fat at all. ... sufficient supply of vitamin C. Milk is able to compensate for a lack of certain nutrients in a monotonous diet because of the great diversity of nutrients it contains and the high value of milk protein. ... 35 5.1 The development of lactic acid bacteria 35 5.2 Cultivation of starter cultures of lactic acid bacteria 36 5.3 Growth of starter cultures 37 5.4 Maintenance of starter cultures 40 5.5...

Ngày tải lên: 08/03/2014, 22:20

... issue. History of root canal preparation Although Fauchard (3), one of the founders of modern dentistry described instruments for trepanation of teeth, preparation of root canals and cauterization of pulps ... (212) Mechanical preparation of root canals 45 ability, their shaping ability as well as safety issues. A detailed list of potential criteria for the assessment of the quality of root canal instruments or preparation techniques ... following preparation of simulated canals in resin blocks. Apical blockage Apical blockage of the root canal occurs as a result of packing of tissue or debris and results in a loss of working...

Ngày tải lên: 09/03/2014, 00:20

... working solutions of Mn(II) are series of 0, 5, 10, , 100 % of ethanol in 3.10 -2 MnSO 4 solution. Similarly, working solutions of Mn(VII) include series of 0, 5, 10, , 100 % of ethanol in ... effects of organic solvent in water media were used for creation of nanodimensional MnO 2 from their inorganic salts. The pH of solution, concentration of the salts, the portion of organic ... suitable amount of dried denaturated laterite with size of 0.5 – 1.0 mm diameter and dropped into colloidal solution of MnO 2 . Then softly shook the mixture in 60 min. When almost of MnO 2 particles...

Ngày tải lên: 14/03/2014, 10:20

... recognition of ubiquitylated substrates. Pleiotropic phenotypes of loss of function support a major role for Arabdopsis RPN10 in the direct and indirect recognition of ubiquitylated substrates The ... shown). Part of the reason for the lack of complementation of the gametophyte phenotypes is probably because of an absence of 35S promoter expression in the anthers [33]. The detailed phenotypes of the ... (MG) of the human DSK2 homo- log (PLIC1), 342–343 (MG) of yeast DSK2 and 401– 402 (LG) of yeast DDI1. Mutation of the UBA of human and yeast DSK2 homologs abolished binding to ubiquitin chains of...

Ngày tải lên: 15/03/2014, 09:20

... Most of them were identified due to the presence of their genes in the close vicinity of cognate protein kinase genes [12–14]. Another approach which could make the identification of sub- strates of ... Okadaic acid, a potent inhib- itor of PP2A and PP2B family of phosphatases [21], did not inhibit PhpP, which is one of the unique char- acteristics of the PP2C family of phosphatases (Fig. 2B). Thus, ... PhosphorImager. Dephosphorylation of autophosphorylated StkP by PhpP. In vitro kinase assay was performed with 2 lg of purified StkP in a total volume of 20 lL. After 15 min fraction of the reaction volume containing 200 ng of...

Ngày tải lên: 16/03/2014, 18:20

... (0 0 1). The preferred orientation of each phase is interrelated as follows. 010 of WO 3 2H 2 O !010ị of WO 3 H 2 O !001ị of WO 3 (4) Fig. 7. XRD patterns of the gel centrifuged for 10 h after ... material processing of WO 3 . We reported [21] recently that preparation and control of SnO 2 sols in an aqueous medium were effective for controlling the physi- cochemical properties of SnO 2 -based ... period. 3.2. Products of ion exchange and ageing A volume of 200 cm 3 of sodium tungstate solution (0.152 M, pH ẳ 8:3) was allowed to flow through a glass column packed with 125 cm 3 of the protonated...

Ngày tải lên: 20/03/2014, 13:06

... L113B as a soft template [17]. Wan et al. have proposed a soft-template-assisted hydrothermal route to prepare single crystal nanorods with an average diameter of 25 nm and length of 200 nm at ... initial discharge capacity of 905.7 mAh/g and reversible capacity retention of 35.9% after 50 cycles at 100 mA/g at ambient temperature. 2. Experimental 2.1. Preparation of α-Fe 2 O 3 submicro-flowers All ... the morphologies and structures of the ␣-Fe 2 O 3 nanocrystals pre- pared under hydrothermal conditions. Nevertheless, developing the hydrothermal method for the preparation of ␣-Fe 2 O 3 nano- materials,...

Ngày tải lên: 20/03/2014, 13:06

... Szabo ´ (Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, Budapest, Hungary), K. Varga-Josepovits (Department of Atomic Physics, Budapest University of Technology ... 67690E, doi:10.1117/12.736679. Fig. 5. Sensitivity of h-WO 3 to various levels of NH 3 at 300 8C. I.M. Szila ´ gyi et al. / Materials Research Bulletin 44 (2009) 505–508 508 Preparation of hexagonal WO 3 from hexagonal ... Modeling Research Group of the Hungarian Academy of Sciences, Budapest University of Technology and Economics, H-1111 Budapest, Szt. Gelle ´ rt te ´ r4, Hungary b Department of Materials Science...

Ngày tải lên: 20/03/2014, 13:06

... 1. Scheme of the fabrication of TiO 2 nanowire. Fig. 2. Mechanism of AFM anode oxidation. Z. Li et al. / Ultramicroscopy 108 (2008) 1334–1337 1335 the resistance feedback, the width of AFM fabricated nanowire ... layer was then grown. Subsequently, a 12-nm thick Ti layer was sputtered on the Si substrates with a deposition rate of 0.1 nm/s. The specimen were glued onto the holder by silver paste, and then ... cantilever and positive to the metal thin film, the surface of the metal was oxidized to form the metal oxide nanostructure. The scheme of the fabrication titanium oxide nanowire is shown in Fig....

Ngày tải lên: 20/03/2014, 13:06

... the sensor made of small particles with an average particle size of 36 nm deposited at 1 kPa and annealed at 400 8C and that for the sensor made of large particles with an average particle size of Fig. ... pouring a few drops of ethanol suspended with the annealed particles onto oxidized silicon substrates equipped with a pair of interdigitated Pt electrodes with a gap length of 0.035 mm. These ... which was observed at 50 8C for the sensor made of WO 3 nanoparticles deposited at a pressure of 1 kPa and annealed at 400 8C. The average particle size of this sensor was as small as 36 nm. The sensitivity...

Ngày tải lên: 20/03/2014, 13:06

... (yp3) of the bluebottle fly Calliphora vicina, yp3 and yp2 of the housefly Musca domestica and yp1 of Table 1. Purification procedure of several ACE-competitive peptides. HPLC purification of several ... Carmona Karaoglanovic 2 , Liliane Schoofs 1 , Arnold De Loof 1 and Roger Huybrechts 1 1 Zoological Institute of the Catholic University of Leuven, Laboratory of Developmental Physiology and Molecular ... highest concentration because of the limited amounts of this peptide available. In Fig. 3 the results of the assays are shown for one representative concentration of peptide with the different types of ACE. Using SPSS...

Ngày tải lên: 24/03/2014, 03:21

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Ngày tải lên: 20/06/2014, 21:20