DISCRIMINATION OF COLOR COPIER/LASER PRINTER TONERS BY RAMAN SPECTROSCOPY AND SUBSEQUENT CHEMOMETRIC ANALYSIS

Báo cáo hóa học: " Observation of the low frequency vibrational modes of bacteriophage M13 in water by Raman spectroscopy" pot

... picture of thetype of atomic displacements involved in the vibration.To understand what types of modes are being excited by the Raman spectroscopy experiment, we turn to a theoret-ical analysis of ... modes of M13 and TMV viruses in water and air. The authors also pointed out the possible observation of these modes by micro -Raman spectroscopy. They nei-ther (1) performed the micro -Raman experiments; ... whichincrease the stability of the assembly. The central region of the cone is apolar and enhances the interactions betweenα-helices of a single cone. The stacking of thousands of such cones gives the...

Báo cáo hóa học: " Research Article Process Neural Network Method: Case Study I: Discrimination of Sweet Red Peppers Prepared by Different Methods" pot

... pixel of sweet red pepper color image, 6 color features were extractedfor RGB color space, including the mean and the standarddeviation of each color component [9].2. Sweet Red Pepper Extract and Copper ... calculations; the mean and standard deviation. Themean characterizes the average color properties of sweet redpepper, while standard deviation provides a measure of color variation. Since three ... 5), and then we calculated the mean and standard deviation of Red, Green, and Blue components of these images.8 EURASIP Journal on Advances in Signal Processingpepper were utilized to t rain and...

Báo cáo lâm nghiệp: "Discrimination of coated carbide tools wear by the features extracted from parallel force and noise level" potx

... the cutting forces and tool wear [1,13, 14], and the feasibility of techniques of pattern recognitionusing the cutting sound for the discrimination of the variousstages of edge wear was clarified ... cutting angle of –5° and clearance angle of 5°,was placed on the three component forces of dynamometer that washeld on the table of the NC machine.Turning was performed by the corner of the cutting ... stages of tool wears by the features extracted from the parallel force and noise level. The purpose is to determine the feasibility of usingparallel force and noise level to monitor the extent of...

Báo cáo Y học: Modulation of the oligomeric structures of HIV-1 retroviral enzymes by synthetic peptides and small molecules pptx

... lM).Table 1. Peptide and small molecule inhibitors of HIV-1 PR dimerization.IC50(lM) Method of analysis of PR dimerization RefPeptides Derived from the N- and C- Termini of HIV-1 PR and MAAc-Thr-Leu-Asn-Phe-COOH ... ARTICLEModulation of the oligomeric structures of HIV-1 retroviral enzymes by synthetic peptides and small moleculesNicolas Sluis-Cremer1 and Gilda Tachedjian21Department of Medicine, Division of Infectious ... increasingconcentrations of TSAOe3T, resulting in loss of dimerstability of 4.0 and 3.2 kcalÆmol)1for p66/p51 and p66/p66forms of HIV-1 RT, respectively [44]. This loss of energy isnot sufﬁcient...

Báo cáo khoa học: Vanadium-induced apoptosis of HaCaT cells is mediated by c-fos and involves nuclear accumulation of clusterin pptx

... c-fos-inducedapoptosis of HaCaT cells was Bax-mediated and involved downregulation of sCLU and upregulation of nCLU.Differential effects of constitutive expression of sCLU and Bcl-2 on vanadium-induced ... vanadium-induced apoptosis of HaCaT cells was mediated by c-fos and involved induction of total Bax and upregulation and accumulation of nCLU. Furthermore, forced expres-sion of nCLU sensitized HaCaT ... apoptosis of HaCaTkeratinocytes.Next, we investigated by immunoblotting whetherVOSO4affected the expression of c-fos oncoprotein and the expression and ⁄ or processing of CLU inHaCaT NeoTand...

Raman spectroscopy and field electron emission properties of aligned silicon nanowire arrays

... using a Renishaw (RMRe1000) micro -Raman spectrometer at room temperature. Raman scatteringmodes were excited by means of the 514 nm line of anAr+laser, and the Raman signals were measured in ... by experiments on nano-crystalline silicon [22] and porous silicon [23] and SiNWsfabricated by thermal evaporation [12]. According to thetheoretical model proposed by Richter et al. [24] and Campbell ... in units of a, with abeing the lattice constant of silicon and o(q) represents thephonon dispersion curve. G0is the geometrical sum of theinverse lifetime of zone center phonon and there...

Báo cáo khoa học: A strategy for the generation of speciﬁc human antibodies by directed evolution and phage display An example of a single-chain antibody fragment that neutralizes a major component of scorpion venom docx

... recovered by the addition of 1 mL of TG1 cells of a mid-log phase (A600¼ 0.7) cul-ture [23,42]. After four rounds of panning, single phage-antibody clones were randomly picked and screened ... Centruroides noxius Hoffmann were isolated and functionally characterized. Cn2 is one of the mostabundant and toxic components of C. noxius venom(6.8% of total venom; LD50¼ 0.25 lg per 20 g of mouse ... the creation of large repertoires in vitro [10]. This process beginswith the cloning and expression of cDNAs encodingthe variable regions of the H and L chains of antibod-ies (VH and VL),...

Báo cáo sinh học: " Regulation of HTLV-1 Gag budding by Vps4A, Vps4B, and AIP1/Alix" docx

... toHIV-1 p6 and EIAV p9, and overexpression of a mutantcontaining only the V domain suppresses HIV-1 and EIAVparticle release [28,29]. Our results shown in Fig. 3 can beexplained by binding of AIP1 ... described in A. B and D. Intensities of the bands corresponding to cell- and VLP-asso-ciated Gag in A and C were quantified using the LAS3000 imaging system (Fuji film). The efficiency of Gag-induced ... analysis of the results, and wrote the manuscript.HY helped in drafting the manuscript and performed crit-ical revisions. JY designed the study, participated in anal-ysis of the results, and...

báo cáo hóa học: " Measurement properties of the Dizziness Handicap Inventory by cross-sectional and longitudinal designs" docx

... subscalesScree Plot of eigenvalues of DHI-N items by exploratory factor analysis (EFA) (n = 92, sample 1)Figure 1Scree Plot of eigenvalues of DHI-N items by exploratory factor analysis (EFA) (n ... ≤ 0.5 no discrimination; 0.7 ≤ ROC < 0.8 acceptable discrimination; 0.8 ≤ ROC < 0.9 excellent discrimination; and ROC ≥ 0.9 outstanding discrimination. The best cut-off point of scores ... CentralPage 1 of 16(page number not for citation purposes)Health and Quality of Life OutcomesOpen AccessResearchMeasurement properties of the Dizziness Handicap Inventory by cross-sectional and longitudinal...

Báo cáo hóa học: " Regulation of HTLV-1 Gag budding by Vps4A, Vps4B, and AIP1/Alix" docx

... examine theinvolvement of Vps4A and Vps4B in the egress of HTLV-1Gag-induced VLP, we analyzed the effects of overexpres-sion of DN mutants of Vps4A and Vps4B, termedVps4AEQ and Vps4BEQ, respectively ... analysis of the results, and wrote the manuscript.HY helped in drafting the manuscript and performed crit-ical revisions. JY designed the study, participated in anal-ysis of the results, and ... Fig. 2A and 2B, HTLV-1 Gag-induced VLP production was significantly reduced by the overexpression of Vps4AEQ or Vps4BEQ. Relativelevels of production of VLPs from cells expressingVps4AEQ and Vps4BEQ...

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