2 characterization of pulmonary nodules using dynamic contrast enhanced ct

... 1University of DaytoneCommons Electrical and Computer Engineering Faculty Publications Department of Electrical and Computer Engineering 5-2015 Segmentation of Pulmonary Nodules in Computed Tomography using ... comprised of 300, 66, and 66 nodules, respectively All aspects of the segmentation algorithm training and tuning is done here using the training and validation sets only (i.e., using 366 nodules) ... of 926 CT scans (since the LIDC dataset contains 84 CT scans) We have randomly selected 456 CT scans from LIDC–IDRI(-) to train and test our systems The 456 CT scans that we use contain 432 nodules

Ngày tải lên: 30/10/2022, 17:27

... architecture can be constructed, where the inputs or some of the inputs of a feed-forward network consist of delayed outputs of the network Fig 1 shows an applied dynamic network constructed from ... this dynamic model structure, a regressor vector is used, and the output of the model (yM) is described as a parameterized function of this regressor vector (Eq.(8))[14]: Fig 1 Block diagram of ... Fig 4a and b (a) Effect of increasing the number of neurons on train and test error (b) Effect of increasing the number of epochs on train and test error Fig 4c Validation of the neural model

Ngày tải lên: 13/01/2020, 14:00

... average of sum, variance of sum, entropy of sum, entropy, average of difference, variance of difference, entropy of difference, measurement of correlation 1 information, and measure-ment of correlation ... the radiologists Pictorial characterization of the segmented lesion from MR images Once a segmented lesion image was obtained, one can characterize its pictorial properties by using a standard ... performance of the multi-sided features in three scenarios To reduce information redundancy, five highly diagnostic factors were selected to obtain a compact yet informative characterization of the

Ngày tải lên: 05/11/2020, 00:33

... optoelectronic and electronic devices with multi functionality [1e3] Among various semi-conducting materials, zinc oxide (ZnO) is a distinctive electronic and photonic wurtzite n-type semiconductor ... etc.[25] Plant extracts may act both as reducing agents and stabilizing agents in the syn-thesis of nanoparticles The source of the plant extract is known to influence the characteristics of the nanoparticles ... extracts contain different concentrations and Fig 1 Flowchart for the preparation of zinc oxide nano structure using Euphorbia Jatropa latex. Fig 2 PXRD patterns of ZnO prepared using latex of

Ngày tải lên: 27/01/2021, 06:20

... optoelectronic and electronic devices with multi functionality [1e3] Among various semi-conducting materials, zinc oxide (ZnO) is a distinctive electronic and photonic wurtzite n-type semiconductor ... etc.[25] Plant extracts may act both as reducing agents and stabilizing agents in the syn-thesis of nanoparticles The source of the plant extract is known to influence the characteristics of the nanoparticles ... extracts contain different concentrations and Fig 1 Flowchart for the preparation of zinc oxide nano structure using Euphorbia Jatropa latex. Fig 2 PXRD patterns of ZnO prepared using latex of

Ngày tải lên: 17/03/2021, 20:16

... dielectric spectrum of the sediment prior to further analyses because of their overwhelming effects Electrode polarization depends on Chapter 4 Effects of pH-induced Structure on the Dielectric ... permittivity and conductivity of the specimen as well as the testing frequency, an effective measurement range is Chapter 4 Effects of pH-induced Structure on the Dielectric Properties of Kaolinite Sediment ... properties of clay sediment with different structures and the characteristics appear in the corresponding dielectric spectrum This paper begins with a brief introduction of the pH effect on the

Ngày tải lên: 02/10/2024, 01:37

... Datawere collected every two years and cover a wide range of aspects of the life of elderlysingles and couples For the first wave of 1992, 12,652 interviews were conducted for arandom sample of individuals ... from the PSID, using bequests as instrumentsthat directly affect wealth but not health Their test looks at the effect of wealthchanges on self-reported health and the dynamics of their model ... affects the retirement decision both inthis way and through the direct effect of health on the marginal rate of substitutionbetween leisure and work Moreover, health affects expenditures directly,

Ngày tải lên: 05/03/2014, 18:20

... current state of knowledge on the postulated bioactive conformation of SP [24] To analyze the structural effects of a PLeu insertion in Trang 4the sequence of SP, the conformations of [PcLeu10]SP ... structure The confor-mations of residues 8–9 are ill defined in the peptides Thus, the introduction of a prolinoamino acid in the C-terminal tail of SP does not affect the overall structure of ... [24] The reintroduction of the leucine side chain was spectacular in terms of selectivity of cis-substitu-tion vs trans-substitucis-substitu-tion of the pyrrolidine ring, but the active analogue

Ngày tải lên: 08/03/2014, 02:21

... time using a nested primer (5¢-ACACTCCTCACCACCAACTACC-3¢ for PCR 2 and 5¢-CTCTCCACCTATTATTTTATGAGTAACATCC-3¢ for PCR 3) and the anchor primer supplied in the 5¢-RACE kit For amplification of specific ... experiments using okadaic acid (OA), an inhibitor of PP1 and PP2A Induction of meiotic oocyte maturation occurred after injection of OA into Xenopus [16] or starfish oocytes [17] This inhibitory activity ... AATTT-3¢ and 5¢-GACCACTGCTTTCTCCTCCACC-3¢ were used for the two consecutive PCR reactions together with the anchor primer Similar 5¢-RACE reactions were performed to amplify the 5¢ ends of XPR48 The

Ngày tải lên: 08/03/2014, 08:20

... domain of human DBP Most of the residues that interact with the Triton X-100 molecule in the crystal structure of the SCP-2-like domain of human DBP are located on the C-terminal half of the ... the active sites of the b-oxidation enzymes It is possible that the distinctly different lipid-trans-fer properties of E lagascae and A thaliana SCP-2 reflect the lipid composition of the respective ... preference of E lagascae SCP-2, we constructed a structural model in the Triton-bound conformation (E lagascae Tr-SCP-2) (Fig 5A) based on the Triton X-100-bound structure of the SCP-2-like domain of

Ngày tải lên: 16/03/2014, 12:20

... form NCT ectodomain Ab 00/22 reactivity indicated detection of only the less mature or fully deglycosylated forms of NCT (data not shown), this finding may explain the poor detection of NCT in ... mouse wild-type brain NCT was readily detected in association with PS1 complex in embryonic tissue as indicated by reactivity of NCT ectodomain antibody NCT was barely detectable in the PS complex ... c-secretase activity is compelling and includes lack of Ab amyloid peptide generation and Notch signalling in PS double knockout cells, cofractionation of activity with PS, abolition of activity with

Ngày tải lên: 16/03/2014, 16:20

... alignments of PAS-B and PAS-A of NPAS2, Table 2 Resonance Raman spectra of Fe(III) and Fe(II) complexes of PAS-B. Fig 3 Resonance Raman spectra (excited at 413 cm)1) of the Fe(II)–CO complex of isolated ... generated by RT-PCR using mouse brain RNA The primers for RT-PCR were CGGGATCCCATATGTGTGTTAGCTGACG-3¢ and 5¢-ACGCGTCGACTTAGTGGGAACTCCTTGAG-3¢ The sequences of the products were confirmed using a DSQ-2000 ... used for mutations were as fol-lows: 5¢-ATTTCTGGATGCCAGAGCTCCTCCAATC-3¢ and 5¢-GATTGGAGGAGCTCTGGCATCCAGAAAT-3¢ for the His266Ala mutant, 5¢-GGCTACGACTACTACGC CATTGATGACC-3¢ and 5¢-GGTCATCAATGGCGTAG

Ngày tải lên: 16/03/2014, 22:20

... V116 E108 T109 K12 Fig 5 Network of effective interactions averaged over the structures of group 1 (A) and group 3 (B) The average effective energy between pairs of residues including solvation ... X-ray structure coordinates This gave an increase of 251 A˚2 in the solvent accessible surface area of the protein Comparisons of the side chain solvent accessibility of the X-ray structure of RBP ... secondary structure elements are present Secondary structure was calculated using the program DSSPcont [54] which identifies regions of secondary structure through an analysis of hydrogen bonding

Ngày tải lên: 16/03/2014, 23:20

... Concentration dependence of toxin effects Quantification of the differential ability of toxins to modify the activity of rNav1.4 channels was performed using dose–response curves of the relative maintained ... value for removal of inactivation is about nM for Lqh3, while the same concentration of toxin did not induce an effect in oocytes Effects on the voltage dependence of activation The activation curves ... Structural characteristics of a-like toxins The existence of the a-like toxins as a distinct group is further strengthened by structural analysis All scorpion toxins affecting Na current inactivation

Ngày tải lên: 17/03/2014, 11:20

... examine the importance of the extended C-terminal region (Ct peptide of tarocystatin) with respect to interaction with anti-papain activity In the analysis of the primary structure of tarocysta-tin, ... mechanism of extended Ct pep-tide have each been proposed By contrast, the antifungal activity of Nt peptide appeared to be greater than that of FL peptide, and the Ct pep-tide showed no effect on ... inhibition Ct peptide allosteric activation Trang 6of the Ct peptide, which plays an activation role onpapain when used alone Therefore, the mechanism of the Ct peptide with respect to enhancing

Ngày tải lên: 23/03/2014, 06:20

... enzymat-ic activity of 2-5A synthetases As expected, the por-cine recombinant protein was practically inactive [specific activity of 0.05 nmol ATP polymerizedÆ(lg proteinÆh))1] in the absence of poly(I)Æpoly(C), ... demonstrated the presence of a high 2-5A synthesizing activity in the extracts of a number of marine sponges, the simplest multicellular animals [24,25], and identified the reaction products as authentic ... non-nucleic acid activator of 2-5A synthetases, fructose 1,6-diphos-phate [32], also caused small modulations of the existing activity of the sponge recombinant protein (Fig 2B) The ability of the sponge

Ngày tải lên: 23/03/2014, 09:20

... In contrast to the effect of CO, the effect of NO on the transcription activity of the NPAS2–BMAL1 heterodimer has not been previously reported We obtained a typical optical absorption spectrum ... respectively Because of the sensitivity of the Fe–CO and C–O stretching frequencies to the heme environment (i.e electrostatic and steric interactions with surround-ing groups), spectra of CO ... characteristic of a five-coordinated Fe(II)–NO heme complex [23–27,32] In addition, the characteristics of the resonance Raman spectra of the Fe(II)–NO complex (Fig 6) were very similar to those of

Ngày tải lên: 30/03/2014, 11:20

... the structure of a seg-mented a helix [40] Replacement of lysine with argi-nine may affect the secondary structure of the C-terminal tail and the binding of H1.4 to chromatin, as arginine offers ... by using the PCR primers 5¢-CCCAGGCGCTGCTTC-3¢ (nucleotides 469fi483 of the H1.2 gene) and 5¢-CTCTGACACCGGGGGAC-3¢ (nucleotides 651fi635 of the H1.2 gene) The PCR was per-formed with 50 ng of DNA ... it is hard to predict the structural changes that a single amino acid substitution may trigger Substitution of valine for alanine may affect the predicted a-helical structure of the tail as valine

Ngày tải lên: 30/03/2014, 20:20

... not affect a specific part or function of motor control sys-tem Conversely, it modifies the whole body system in terms of: morphological degradation of neural tissues, decreased number of Type ... advanced age [13] In fact, the co-activation of antagonist muscles when both joints were involved determined a dif-ficulty in the regulation of the interaction torque (IT), which affects movement coordination ... causes a modification of the perceived kinematics of movements, changing the mechanical environment interacting with the subject hand requires an adaptation of the IM to the new dynamics [17] In this

Ngày tải lên: 19/06/2014, 08:20

... the impact of the FFSs and associated activities financed from our projects, a systematic impact assessment has been planned and budgeted as a part of the current project 037/06 VIE. Impact assessment ... Vice president of VacVina and until recently the president of VinaFruit. The informal interviews were conducted with Directors of Sub Plant Protection Departments and/or Directors of Provincial ... management and an estimate of net income per hectare. Interviews were also conducted with local pesticide suppliers. At the end of the project semi-structured interviews were conducted with at least

Ngày tải lên: 21/06/2014, 04:20