High sensitive enzyme based glucose sensor using lead sulfide nanocrystals

Báo cáo hóa học: " Frequency Shift of Carbon-Nanotube-Based Mass Sensor Using Nonlocal Elasticity Theory" ppt

Báo cáo hóa học:
... location of attached mass can influence on the changes in frequency of the mass sensor Figure illustrates the effect of location of attached mass, c/L, on the frequency shift of the cantilever mass sensor ... effect of the location of attached mass on the frequency shift of the mass sensor is significant Increasing the value of c/L increases the frequency shift This is because the frequency of the sensor ... sensitivity of the mass sensor The sensitivity of the sensor is defined as the ratio of the variation of the frequency shift to the variation of the attached mass Figure shows the effect of location of...
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research on gas - sensing properties of lead sulfide-based sensor for detection

research on gas - sensing properties of lead sulfide-based sensor for detection
... at room temperature before and after the heating Please cite this article in press as: T Fu, Research on gas- sensing properties of lead sulfide-based sensor for detection of NO2 and NH3 at room ... Fu, Research on gas- sensing properties of lead sulfide-based sensor for detection of NO2 and NH3 at room temperature, Sens Actuators B: Chem (2009), doi:10.1016/j.snb.2009.03.075 G Model SNB-11469; ... novel porous silicon sensor for detection of sub-ppm NO2 concentrations, Sens Actuators B 77 (2001) 62–66 [16] J Suhiro, G Zhou, M Hara, Fabrication of a carbon nanotubes-based gas sensor using dielectrophoresis...
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Báo cáo hóa học: "Ultra-Sensitivity Glucose Sensor Based on Field Emitter" pot

Báo cáo hóa học:
... for glucose detection The experimental LOD of glucose concentration is nM, which is lower than previous reported glucose sensor based on EST, FST, and SPR The new glucose sensor shows the potential ... ratio of Rglucose/RZnO for the ZNA field emitter -based glucose sensor presents a good dependence on the glucose concentrations (Fig 3b) At this point, our ZNA field emitter -based glucose sensor surpasses ... electron mobility transistor for the detection of glucose, which showed a linear range from 0.01 to 3.45 mM In this contribution, we present a new type of nanodevice, a glucose sensor based on field...
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Study of pharmacokinetics of prenylflavonoids and dynamics of estrogen action in sera following ingestion of epimedium using validated, ultra sensitive cell based bioassays

Study of pharmacokinetics of prenylflavonoids and dynamics of estrogen action in sera following ingestion of epimedium using validated, ultra sensitive cell based bioassays
... analytes, containing 1, and 10 nM of icariin, icaritin and desmethylicaritin; 5, 30 and 60 nM of icariside I and 71 icariside II, respectively and internal standard in pooled rat sera, were placed ... using lipofectamine Sixteen hours posttransfection, the cells were washed, trypsinized and split at ratio of in 10, in 100 and in 1000 into selective cell culture media containing 100 μg/mL of hygromycin ... fetal bovine serum and 10 μg/mL insulin in a humidified atmosphere of 5% carbon dioxide in air at 37°C 53 2.3 ERα and ERβ cell- based bioassays 2.3.1 Establishment of ERα and ERβ stable cells (from...
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Study of pharmacokinetics of prenylflavonoids and dynamics of estrogen action in sera following ingestion of epimedium using validated, ultra sensitive cell based bioassays 2

Study of pharmacokinetics of prenylflavonoids and dynamics of estrogen action in sera following ingestion of epimedium using validated, ultra sensitive cell based bioassays 2
... bioactivity of androgenic compounds in sera (Fig 26 F) 120 Figure 26 : Estrogenicity in serum following ingestion of estradiol valerate or Epimedium decoction Following baseline blood sampling (—▲—), ... (1.00-1. 12) 0.043 E2V 21 16 1.67 (1.58-1.77) ...
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Study of pharmacokinetics of prenylflavonoids and dynamics of estrogen action in sera following ingestion of epimedium using validated, ultra sensitive cell based bioassays 4

Study of pharmacokinetics of prenylflavonoids and dynamics of estrogen action in sera following ingestion of epimedium using validated, ultra sensitive cell based bioassays 4
... that of genistein and kaempferol (Maggiolini et al., 20 04; Leung et al., 20 04) The presence of serum reduced ERα binding of quercetin in MCF-7 cells, with relative binding affinities for genistein, ... effectiveness in sera of the decoction when administered orally Ingestion of a defined Epimedium decoction resulted in a 6% increase in ERα AUC effect over baseline in the subjects The increase in Epimedium ... group on ring B to interact with Glu-353 and Arg3 94 and another similar interaction involving the hydroxyl group on ring A with His-5 24 In contrast, for the case of icaritin, the interaction with...
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Study of pharmacokinetics of prenylflavonoids and dynamics of estrogen action in sera following ingestion of epimedium using validated, ultra sensitive cell based bioassays 5

Study of pharmacokinetics of prenylflavonoids and dynamics of estrogen action in sera following ingestion of epimedium using validated, ultra sensitive cell based bioassays 5
... ascertain whether the ingestion of estrogenic prenylflavonoids from Epimedium for the purpose of maintaining bone health can increase risk of ERα-positive breast cancer Interestingly, icaritin, ... and sulfatase Non-linear pharmacokinetics and prolonged effects for up to 72 h following administration of a single dose of Epimedium extract were also observed Coupled processes of enteric and ... endometrium and breast, the next step is to develop and validate a panel of such cell- based bioassays Even within the same cell line, differences exist in the ability of different compounds to induce estrogen- regulated...
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Study of pharmacokinetics of prenylflavonoids and dynamics of estrogen action in sera following ingestion of epimedium using validated, ultra sensitive cell based bioassays 6

Study of pharmacokinetics of prenylflavonoids and dynamics of estrogen action in sera following ingestion of epimedium using validated, ultra sensitive cell based bioassays 6
... P., Lee, L., Li, J and Yong, E.L 2009 Pharmacokinetics of prenylflavonoids and correlations with the dynamics of estrogen action in sera following ingestion of a standardized Epimedium extract ... Pharmacokinetics of the citrus flavanone aglycones hesperetin and naringenin after single oral administration in human subjects Eur J Clin Nutr 61 (4):472-7 Klinge, C.M 2000 Estrogen receptor interaction ... of the bioflavonoid biochanin A: effects of quercetin and EGCG on biochanin A disposition in rats Mol Pharm 4 (6) : 865 -72 Mueller, S.O 2002 Overview of in vitro tools to assess the estrogenic and...
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Tài liệu Báo cáo khoa học: "Deterministic shift-reduce parsing for unification-based grammars by using default unification" potx

Tài liệu Báo cáo khoa học:
... best-first shift-reduce parsing for unificationbased grammars Sections and explain unification-based grammars and default unification, respectively Shift-reduce parsing for unification-based grammars ... paper, we investigate shift-reduce parsing approach for unification-based grammars without the mechanisms of the packed parse forest Shift-reduce parsing for CFG and dependency parsing have recently ... propose deterministic parsing for unification-based grammars by using default unification, which almost always succeeds in unification by overwriting inconsistent constraints in the grammars We further...
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Báo cáo khoa học: "High Precision Treebanking — Blazing Useful Trees Using POS Information" pot

Báo cáo khoa học:
... currently possible to blaze using POS information The criteria for the blazing depend on both the grammar used to make the treebank and the POS tag set The system matches the tagged POS against ... task is to select the appropriate derivation tree or trees The posa sible derivation trees for k¯ ten “curtain” are shown in Figure Nodes in the trees indicate applied rules, simplified lexical types ... parser (§ 2) This is followed by a brief discussion of treebanking using discriminants (§ 3), and an extension to seed the treebanking using existing markup (§ 4) Finally we present the results...
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ag doped wo3-based powder sensor for the detection of no gas in air

ag doped wo3-based powder sensor for the detection of no gas in air
... measured in a ¯owing stream of pure air or in 40 ppm NO in air (60:40 mixture from an air cylinder with another cylinder (BOC special gases) containing ca 100 ppm NO balanced with air) by the ac ... concentration of NO and NO2 gases because of the low concentration, one of the roles of the Ag is apparent to provide surface for the conversion of NO to NO2 according to the literature [18] It is worth noting ... However, there is limited work reported in the literature on addressing the precise sensing mechanism for the NOx gases detection over WO3-based sensors and there is no work to reveal the roles of the...
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development of an ozone gas sensor using single - walled carbon nanotubes

development of an ozone gas sensor using single - walled carbon nanotubes
... Eriksson, Effect of ozone oxidation on single- walled carbon nanotubes, J Phys Chem B 110 (2006) 7113–7118 J Li, Y Lu, Q Ye, M Cinke, J Han, M Meyyappan, Carbon nanotube sensors for gas and organic vapor ... program of MKE/IITA [2006-S-07 8-0 3, Environmental Sensing and Alerting System with Nano-wire and Nano-tube] and partially supported by the National Research Laboratory NRL (R0A-200 7-0 0 0-2 011 1-0 ) ... concentration of ozone and the same period of gas injection and degassing, the change of the sensor response was 11% This change was a little bit more than that of the first cycle At Y Park et al / Sensors...
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thin film polypyrrole swcnts nanocomposites-based nh3 sensor

thin film polypyrrole swcnts nanocomposites-based nh3 sensor
... Manuscript Thin Film Polypyrrole/ SWCNTs Nanocomposites-Based NH3 Sensor ip t Operated at Room Temperature Nguyen Van Hieu a,*, Nguyen ... The thin film and the porous film could be the reasons explaining why the PPY /SWCNTs composite-based sensor exhibits a higher response compared to that of PPY-based sensors Additionally, SWCNTs ... the PPY /SWCNTs composite sensor depends on the reactivity and diffusion of NH3 gas molecules inside the composite-sensing thin film Therefore, when the thickness of the film decreases, the sensor...
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Báo cáo "Design of phase-coded transmitter and high sensitive receiver of radar system " doc

Báo cáo
... VNU Journal of Science, Mathematics - Physics 25 (2009) 99-105 Experimental Block diagram of transmitter and receiver of a radar system is shown in the Fig.1 The code used in the transmitter ... amplifier The first and second stages have output power of 45 W and 90 W, corresponding, of a standard input 300 mW Fig shows arrangement of facilities in measurement that consists of high quality DC ... Lav Varshney, Radar System Components and System Design, Technical Report, Syracuse Research Corporation 2002 [2] Falih H Ahmad, Design of a High- Resolution, Coded, Portable Radar System, Technical...
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