Electrochemical biosensors based on functionalized zinc oxide nanorods
Electrochemical biosensors based on functionalized zinc oxide nanorods
... piezoelectric, acoustic and electrochemical biosensors. Electrochemical biosensors respond to electron transfer, electron consumption, or electron generation during a chem/bio-interaction process. This ... thesis ZnO nanorods are used as electrochemical biosensors to detect bio/chemical species in extra and intracellular measurements. 1.3 Biosensors based on functi...
Ngày tải lên: 09/05/2014, 18:00
room-temperature semiconductor gas sensor based on nonstoichiometric tungsten oxide nanorod film
... Room-temperature semiconductor gas sensor based on nonstoichiometric tungsten oxide nanorod film Yong Shin Kim, a͒ Seung-Chul Ha, Kyuwon Kim, b͒ Haesik Yang, c͒ Sung-Yool Choi, and Youn Tae Kim Electronics and ... small dimensions, low cost, and good compatibility with the fabri- cation process for microelectronic devices. They operate on the basis of the modification of electrical cond...
Ngày tải lên: 20/03/2014, 13:07
semiconductor gas sensors based on nanostructured tungsten oxide
... oxygen ions adsorbed at low temperatures on oxide semiconductor surfaces are thought to be O y , 2 wx even at room temperature 26 . Consequently, the elec- tron transfer to surface species in connection ... positioned in the evap- orationrcondensation chamber, where the heating and oxidation of the tungsten occurs. A surrounding copper coil inductively heats the pellet. During the deposit...
Ngày tải lên: 20/03/2014, 13:07
h2s sensors based on tungsten oxide nanostructures
... however, show a response of ∼150 at 50 ◦ C to 1000 ppm of H 2 S, but we found a reasonably good response value even at 50–100 ◦ C. The concentration-variation of response of the tungsten oxide nanos- tructures ... adsorption reaction occurs prior to H 2 S-sensing, creating a thin electron-depleted layer at the surface of tung- sten oxide. As H 2 S is adsorbed, electrons are released into t...
Ngày tải lên: 19/03/2014, 16:48
Báo cáo khoa học: The effect of zinc oxide nanoparticles on the structure of the periplasmic domain of the Vibrio cholerae ToxR protein pot
... surface concen- tration on secondary and tertiary conformational changes of lysozyme adsorbed on silica nanoparticles. Biochim Biophys Acta 1784, 1694–1701. 29 Karlsson M, Martensson LG, Jonsson BH ... Titration experiments consisted of 25 successive injections of ToxRp protein (injection volume 10 lL; concentration 160 lm) into the reaction cell (1.4 mL) containing ZnO NPs (concentra- ti...
Ngày tải lên: 23/03/2014, 03:20
Báo cáo y học: "Gain of a 500-fold sensitivity on an intravital MR Contrast Agent based on an endohedral Gadolinium-Cluster-Fullerene-Conjugate: A new chance in cancer diagnostics"
... Gd concentrations. This modularly designed contrast agent represents a new tool for improved monitoring and evaluation of interventions at the gene transcription level. Also, a widespread monitoring ... Ligation reaction based on the Diels Alder Reaction with invers electron demand. [EP 06 012 414.6]. 6-10-2006. 46. Reppe W, Schlichting O, Klager K, et al. Cyclisierende Polymerisati...
Ngày tải lên: 26/10/2012, 09:07
Metaphor, based on the association of similarity, is one of the two basic types of semantic transference that have been an interest for many linguistic researchers
... definitions and 9 skeptical An investigation into the role of metaphor in description of emotion in poetic discourse 17 statements about the concept of emotion concluding that there is little consistency ... interactive functions: statements are expressions which give An investigation into the role of metaphor in description of emotion in poetic discourse 23 information, questions are expre...
Ngày tải lên: 07/11/2012, 14:44
Consolidation Chareteristics based on a direct analytical solution of the Terzaghi Theory
... of consolidation at 50% consolidation; this method requires the determination of the initial and final compressions corresponding to 0 and 100% consolidation, respectively. The determination ... realistic determination of the coefficient of consolidation (Olson, 1986; Robinson, 1999). SUMMARY AND CONCLUSIONS In the present study, a new method is developed for Consolidation Charact...
Ngày tải lên: 21/03/2013, 14:09
1 UNFIRED BRICK USING FLY ASH AND RED MUD BASED ON GEOPOLYMER TECHNOLOGY
... destruction–coagulation, coagulation–condensation, condensation crystallization. Afterthat, Glukhovsky theories were extended by different authors. In this theories [3], dissolution of the ... dissolution of solid particles at the surface results in the liberation of aluminate and silicate most likely in monomeric form into solution. This is the mechanism responsible for conversion of ......
Ngày tải lên: 01/04/2013, 22:46