... here review molecular imaging modalities and discuss the cellular and molecular targets for imaging in the clinic Modalities for non-invasive Molecular Imaging Imaging has become an indispensable ... molecular imaging technologies in the setting of atherosclerosis, and discuss the cumbersome steps required for translating molecular imaging approaches into the clinic Key words: Molecular imaging, ... however, remain unknown and the identification of the vulnerable plaque remains a major challenge in cardiovascular medicine Imaging technologies used in the clinic offer minimal information about
Ngày tải lên: 04/12/2022, 15:48
... both of the Moon and of the continental crust of the Earth xii INTRODUCTION In the succeeding years, despite appalling political difficulties during the 1930s and 1940s (including narrowly escaping ... markers of human activity in soils have also been demonstrated, including enrichment in 15N as a result of manuring (Commisso and Nelson 2007), and phosphate 249 build-up in soils in dwellings marking ... generating a variety of phosphatic minerals (Goldberg and Nathan 1975) For example, at the site of Hayonim in Israel, study of the mineralogy of bulk sediment using field-based Fourier transform infrared
Ngày tải lên: 13/03/2018, 15:03
Butterfly eyespot organiser: in vivo imaging of the prospective focal cells in pupal wing tissues
... preventing them from being stained25,26 However, it is still of great interest to directly observe the functioning organisers in vivo in the developing butterfly wing tissues We reasoned that the hindwing ... observations corresponding to the pupal wing are indicated (D) Schematic illustration of the butterfly wing configuration in a pupa Wings are sacs of a single epithelial cell layer Focal indentations and ... wing tissues For this purpose, we have previously examined structures of pupal epithelial cells on the dorsal hindwings of the blue pansy butterfly Junonia orithya, using a real-time in vivo imaging
Ngày tải lên: 19/11/2022, 11:43
in situ imaging of microstructure formation in electronic interconnections
... time of the interfacial Cu6Sn5 intermetallic layer and interfacial voids, of the kinetics of primary Cu6Sn5 solidification in solder joints, and of the β-Sn dendrite nucleation location in joints ... Competing financial interests: The authors declare no competing financial interests How to cite this article: Mohd Salleh, M A A et al In situ imaging of microstructure formation in electronic interconnections ... first moment of solder melting The individual ~35 μm grains of solder powder can be seen suspended in flux Figure 2a shows the first moment of melting There are a number of voids/bubbles in the paste
Ngày tải lên: 04/12/2022, 14:50
near infrared spectroscopy and imaging studies of fertilized fish eggs in vivo monitoring of egg growth at the molecular level
... combination of antisymmetric OH stretching mode and bending mode of water (5280 cm−1), a combination of the NH stretching mode and amide II mode of proteins (4860 cm−1), and the combination of ... (PCA) discriminated the growth of fertilized eggs in terms of the relative concentration change of proteins And linear discriminant analysis (LDA) discriminated the hatching possibility of the fish ... of proteins cannot be determined based on the data in Fig. 3(c,d) shows a graph of the average intensity of the second derivative at 4864 cm−1 A high concentration of proteins was confirmed in
Ngày tải lên: 04/12/2022, 15:49
Tài liệu Báo cáo khoa học: EGF receptor in relation to tumor development: molecular basis of responsiveness of cancer cells to EGFR-targeting tyrosine kinase inhibitors docx
... ligand-binding domain, a transmembrane domain and an intracellular tyrosine kinase domain The binding of a ligand to the extracellular domain of the EGFR induces receptor dimerization, activation of ... carcinomas; IAP, inhibitor of apoptosis protein; JNK, c-Jun NH2-terminal kinase; KIP, kinase inhibitor proteins; MEK, MAPK ⁄ ERK kinase; MKK, MAPK kinase; MKP-1, mitogen-activated protein kinase ... is involved in gefitinib-induced growth inhibition in HNSCC [58] Another group of cell-cycle regulatory molecules – those of the INK4 family – has also been implicated in gefitinib-induced inhibition
Ngày tải lên: 16/02/2014, 09:20
Tài liệu Báo cáo khoa học: Exposure of IgG to an acidic environment results in molecular modifications and in enhanced protective activity in sepsis doc
... same antigen– antibody interaction in the presence of increasing concentrations of NaCl. In both experiments, binding intensities are represented in RU, and each data point shows the mean value ... appearance of a number of novel antigen-binding specificities (Fig. 1B). Enhanced binding of low-pH buffer-exposed IVIg to recombinant human interferon-c (IFN-c) and other self-antigens Interactions of ... obtained after single injections of native and of low-pH buffer-exposed IVIg were com- pared. As shown in Fig. 3A, transient (5 min) exposure of IVIg to pH 2.8 buffer resulted in an increase in
Ngày tải lên: 16/02/2014, 15:20
Tài liệu FRONTIERS IN UNDERSTANDING CLIMATE CHANGE AND POLAR ECOSYSTEMS REPORT OF A WORKSHOP docx
... Summary of a Workshop INTRODUCTION... reserved Frontiers in Understanding Climate Change and Polar Ecosystems: Summary of a Workshop 16 FRONTIERS IN UNDERSTANDING ... experiencing significant climaterelated changes... reserved Frontiers in Understanding Climate Change and Polar Ecosystems: Summary of a Workshop 6 FRONTIERS IN UNDERSTANDING ... National Academy of Sciences All rights reserved Frontiers in Understanding Climate Change and Polar Ecosystems: Summary of a Workshop 2 FRONTIERS IN UNDERSTANDING CLIMATE
Ngày tải lên: 17/02/2014, 19:20
Tài liệu Báo cáo khoa học: Molecular defect of isovaleryl-CoA dehydrogenase in the skunk mutant of silkworm, Bombyx mori ppt
... becom- ing pupae in about a week after spinning (Fig. 1B). Isovaleric acid seems to be the cause of prepupal lethality because injection of isovaleric acid into normal spinning larva induces ... the sku mutant accumulates branched-chain amino acids in haemolymph, this mutant may be useful in the investigation of unique branched-chain amino acid catabolism in insects. Abbreviations ACAD, acyl-CoA ... mechanism bypassing branched-chain a-keto acid dehydrogenase irreversibility, which enables indirect accumulation of upstream leucine in the sku mutant. It is interesting that isoleucine and valine also
Ngày tải lên: 18/02/2014, 04:20
Tài liệu Báo cáo khoa học: Molecular determinants of ligand specificity in family 11 carbohydrate binding modules – an NMR, X-ray crystallography and computational chemistry approach doc
... to the binding cannot be determined due to signal overlap Nevertheless, information concerning the relative binding contribution can be obtained by comparing the intensity of the signals in this ... A minimum number of glucose units in the polymer chain are necessary for a stable binding (four in this case) Another feature is the strong interaction of some residues in the putative binding ... addition of CtCBM11 In general, a progressive line broadening of all the cellohexaose protons was observed during titration with increasing amounts of protein, which can be understood as a result of
Ngày tải lên: 18/02/2014, 17:20
Báo cáo khoa học: Transthyretin and familial amyloidotic polyneuropathy Recent progress in understanding the molecular mechanism of neurodegeneration pdf
... allosteric effect resulting from the occupancy of the first binding site [68]. TTR is also involved in the transportation of retinol by forming a complex with the smaller retinol- binding protein (RBP) [69,70]. ... between prealbumin, retinol-binding protein, and vitamin A J Biol Chem 246, 44–49 71 Bellovino D, Morimoto T, Tosetti F & Gaetani S (1996) Retinol binding protein and transthyretin are secreted ... Thyroxine-induced con- formational changes in prealbumin. Biochemistry 17, 5729–5733. 69 Kanai M, Raz A & Goodman DS (1968) Retinol-bind- ing protein: the transport protein for vitamin A in human
Ngày tải lên: 07/03/2014, 10:20
Báo cáo khoa học: Molecular characterization of Osh6p, an oxysterol binding protein homolog in the yeast Saccharomyces cerevisiae pot
... Faculty of Medicine, National University of Singapore, Republic of Singapore Institute of Molecular and Cell Biology, A*STAR Biomedical Research Institutes, Singapore, Republic of Singapore Institute ... for protein–protein interaction In this study, Osh6p was demonstrated to bind a pool of phosphatidylinositol phosphates (PtdInsP) including PtdIns(4)P, PtdIns(5)P, PtdIns(3,4)P2 and PtdIns(3,5)P2 ... 10 min, punctate staining diminished and vacuolar staining increased, and finally punctate staining was almost lost with predominant vacuolar staining at 30 Compared with wildtype, no delay of
Ngày tải lên: 07/03/2014, 21:20
Báo cáo khoa học: Structural and biological effects of a b2- or b3-amino acid insertion in a peptide Application to molecular recognition of substance P by the neurokinin-1 receptor ppt
... cause steric hindrance and does not confine orientations of the side chain to regions of space different from those permitted in the a-amino acid Thus, insertion of a single b-amino acid in a bioactive ... 3JNH-Ha coupling constant of Gln5 remains close to Hz, indicating that Gln5 always adopts a helical conformation This invariable folding of Gln5 is related to the helix initiator propensity of Pro4 ... consequences of a single b-amino acid incorporation When Phe7 or Phe8 are replaced by b2-HPhe, the corresponding analogues are weak competitors of specific NK-1 binding sites These amino acids are in the
Ngày tải lên: 08/03/2014, 08:20
Báo cáo khoa học: Molecular basis of the unusual catalytic preference for GDP/GTP in Entamoeba histolytica 3-phosphoglycerate kinase doc
... compensating decrements in entropy and enthalpy of binding may be involved in yielding a relatively invariable Kd value Although this compensation has been invoked in protein research [37], it remains ... wild-type, single- and double-mutant EhPGKs in a closed conformation will certainly help to clarify the molecular arrangement in the guanine ring binding site during the binding of one or the ... carbon of the guanine ring may interact with the side chain of Glu309, whereas the carbonyl group at position of the guanine ring may interact with the hydroxyl group of the Tyr239 side chain (Figs
Ngày tải lên: 16/03/2014, 01:20
Báo cáo khoa học: New roles of flavoproteins in molecular cell biology: Blue-light active flavoproteins studied by electron paramagnetic resonance pptx
... couplings from protons whose nuclear spins are interacting only very weakly with the unpaired electron spin, e.g protons from the protein backbone within the cofactor binding pocket, protons of ... modification of the cofactorbinding site at the 8a-methyl group and at the linkage of the ribityl side chain Hence, as a first result, structural information regarding the distance and location of the ... (Fig 8), the positions of the two histidines were assigned surprisingly accurately by ENDOR His365 (the analog amino acid of His354 in X laevis) is indeed located in the binding pocket nearby the
Ngày tải lên: 16/03/2014, 02:20
Báo cáo khoa học: New roles of flavoproteins in molecular cell biology: An unexpected role for quinone reductases as regulators of proteasomal degradation pptx
... are involved in recognition of the polyubiquitinated protein substrates, unfolding of the condemned protein [24], removing ubiquitin chains for recycling [25,26] and opening an axial gate into ... presence of proteasome, supporting the direct or indirect involvement of the flavin cofactor in protein complex formation [34] Mdm2 dependent polyubiquitination Fig Proposed mechanisms of ubiquitindependent ... state of the flavin cofactor present in the active site of Lot6p Recruitment of the transcription factor occurs when the flavin is in its fully reduced form This process is independent of the mode of
Ngày tải lên: 16/03/2014, 02:20
Intelligent Software Agents on the Internet: an inventory of currently offered functionality in the information society & a prediction of (near-)future developments
... used for information tasks (such as offering, finding or editing all kinds of information) Many things that are said about agents in this thesis do, however, also apply to the other kinds of agents ... capable of handling, and searching in, information in a domain dependent way Search engines treat information domain-independently (they not store any meta-information about the context information ... data, performing some classes of actions (such as finding available printers) and supporting the user in compiling internal forms The External Retrieval Agent is in charge of retrieving documents...
Ngày tải lên: 08/10/2012, 15:22
an inventory of currently offered functionality in the information society & a prediction of (near-)future developments
... used for information tasks (such as offering, finding or editing all kinds of information) Many things that are said about agents in this thesis do, however, also apply to the other kinds of agents ... capable of handling, and searching in, information in a domain dependent way Search engines treat information domain-independently (they not store any meta-information about the context information ... data, performing some classes of actions (such as finding available printers) and supporting the user in compiling internal forms The External Retrieval Agent is in charge of retrieving documents...
Ngày tải lên: 26/10/2013, 17:15
báo cáo hóa học:" Mass spectrometry-based serum proteome pattern analysis in molecular diagnostics of early stage breast cancer" pdf
... Data Processing and Statistical Analysis The preprocessing of data that included averaging of technical repeats, interpolation of missing or non-aligned points, binning of neighboring points to reduce ... resolution of the analyzer operating in the linear mode or might result in overlapping of ions originating from protein/ peptides of very similar molecular masses In addition, because of technological ... examined using MALDI-ToF mass spectrometry) and compared with corresponding levels in a group of healthy donors (Table 4) We observed that the level of osteopontin was markedly increased in plasma...
Ngày tải lên: 18/06/2014, 15:20
MOLECULAR IMAGING OF THE LUNGS docx
... studies involving the lungs, including such diverse topics as gene expression imaging, in ammation imaging, imaging pulmonary cytokine regulation, molecular imaging of lung cancer, and imaging cell ... physician-scientists interested in emerging techniques for noninvasive imaging of molecular events in the lungs Preface vii of intact animals and in humans, need to become aware of these approaches to studying ... Noninvasive imaging of protein– protein interactions in living animals Proc Natl Acad Sci USA 2002; 99:6961 – 6966 Luker GD, Sharma V, Piwnica-Worms D Visualizing protein– protein interactions in...
Ngày tải lên: 29/06/2014, 11:20