... elucidation of marine natural products will facilitate the discovery of numerous other compounds II TARGETS FOR MARINE NATURAL PRODUCTS DRUG DISCOVERY There is a growing urgency to identify novel drug ... additional drug leads CH3 N S O N N N HN CH3 N N H CH3 16.18 N H 16.19 III MARINE NATURAL PRODUCTS AS A SOURCE FOR DRUG DISCOVERY A HISTORICAL ASPECTS The use of marine natural products in drug discovery ... 5:27 AM 16 Marine Chemical Ecology: Applications in Marine Biomedical Prospecting Susan H Sennett CONTENTS I Introduction 523 II Targets for Marine Natural Products Drug Discovery...
Ngày tải lên: 12/08/2014, 00:21
... mathematical transformation The PCA, also known as the Karhunen-Loéve transform or the Hotelling transform, is widely used in signal processing, statistics and many other areas This transformation generates ... or modify the spatial information in remote sensing images, spatial transforms represent also a very interesting tool Some of these transforms use only local image information (i.e., within a ... content, such as the Fourier transform Beside these two extreme transformations, there is a need for a data representation allowing the access to spatial information over a wide range of scales...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo khoa học: Expression in yeast of a novel phospholipase A1 cDNA from Arabidopsis thaliana docx
... either freeze-dried for neutral lipid analysis or disrupted for complete lipid analysis or subfractionation Plasmid for yeast transformation The plasmid pYeDP60 [31] was used to transform yeast strains ... elongation at 72 °C Nucleotide sequence determination was performed as described previously [30] Transformation of yeast Transformation was performed according to [30] with some modifications After the ... void-plasmid-transformed strains; black bars, AtLCAT3-transformed strains Expression of AtLCAT3 in wild-type yeast: lipid analysis For a complete study of the effects of AtLCAT3 transformation on...
Ngày tải lên: 30/03/2014, 15:20
báo cáo hóa học:" Reinterpretation of evidence advanced for neo-oogenesis in mammals, in terms of a finite oocyte reserve" pdf
... previously for SSC [10,148] Historically, efforts were directed towards isolation of EG cells from PGC, which transformation can be achieved in germ cells isolated up to day 12.5 p.c [3] Therefore, ... characteristics For example, nestin [60] and Gata-4 [69] are markers for OSE stem cells FoxA2 is known to be expressed in uterine glands [71], and expression in this culture system may therefore be indicative ... function is required for differentiation and survival of cells that have advanced from stem cell pools, but not for the maintenance of quiescent stem cells This is fully substantiated for spermatogenesis...
Ngày tải lên: 20/06/2014, 07:20
Báo cáo hóa học: " Fano-Rashba effect in thermoelectricity of a double quantum dot molecular junction" pptx
... probability become spinTable Approximate values of q± values of l s for various different l , (15) where + for spin up and - for spin down Eq (15) shows the symmetrical spin-dependent Breit-Wigner ... in the case of the poor link for phonon transport Results and discussion In the following numerical calculations, we set Г = 1ev as the energy unit in this paper For simplicity, the energy levels ... table 1, we calculate the approximate values of q± s of four resonate peaks for different AB phase j with jR = 0.5π For j = 0, we find q+↑ = q+↓≃ 6.8 (near symmetrical Breit-Wigner peak at energy...
Ngày tải lên: 20/06/2014, 23:20
Báo cáo hóa học: " The Influence of a Continuum Background on Carrier Relaxation in InAs/InGaAs Quantum Dot" ppt
... even at excitation densities well below the level required for state filling in the ground state For excitation levels below that required for ground-state filling, the ground-state emission, as expected, ... (*4 ps) for the GaAs emission confirms the carriers dynamics just described Therefore our observation indicates that the intra-dot relaxation is slower than the direct carrier capture for high ... the smaller ones, the carrier transfer from the latter to the former causes a slight increase of the radiative decay time [11, 12] For T [ 200 K, a strong reduction of the decay time occurs By...
Ngày tải lên: 22/06/2014, 18:20
Báo cáo hóa học: " Research Article Challenges and Trends in Analyses of Electric Power Quality Measurement Data" doc
... bank, and characterize the events for database management and analysis (v) Performance indices calculation and reporting for system benchmarking purposes and for prioritizing of system maintenance ... during the RMS versus time events and for triggering • Waveform plots • Evaluation of event causes (e.g., complete waveforms • Minimum of 128 samples per cycle for events from the power supply system ... switching operations • Statistical summaries of transient performance for benchmarking (vi) Transformer loading assessment can evaluate transformer loss of life issues related to loading and can also...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo toán học: "Spectral shift functions that arise in perturbations of a positive operator. (Russian) " ppsx
Ngày tải lên: 05/08/2014, 10:20
Báo cáo lâm nghiệp: "Processes of loss, recruitment, and increment in stands of a primeval character in selected areas of the Pieniny National Park (southern Poland" ppt
... productivity (natural productive capacity) which may be compared with increment of managed forests of identical species composition and site conditions Generally, in natural and primeval forests, ... dynamics of spruce-fir forests on Whiteface Mountain Canadian Journal of Forest Research, 33: 54–63 BOTKIN B.D., 1993 Forest Dynamics: An Ecological Model New York, Oxford University Press: 328 ... important information which may be interpreted from the ecological as well as from the economical point of view In the case of primeval forests they provide a more detailed knowledge on J FOR SCI.,...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Radial distribution of sap flux density in trunks of a mature beech stand" pot
... each class for xylem sap flux measurements (Tab I) These measurements were Radial sap flow in beech trunks 433 made at a depth of 0−22 mm for all trees; at 22−44 mm on trees and at 44−66 mm for a single, ... Agric For Meteorol 100 (2000) 291−308 438 D Lüttschwager, R Remus [15] Hinckley T.M., Lassoie J.P., Running S.W., Temporal and spatial variations in the water status of forest trees, For Sci ... age and social position in the canopy, which may severely influence radial profiles For trees of the same age in a forest stand, even-aged tree rings are expected to present similar values of hydraulic...
Ngày tải lên: 07/08/2014, 16:21
Báo cáo y học: "Cyclophosphamide in systemic sclerosis: still in search of a ‘real life’ scenario" potx
... Cyc, cyclophosphamide; DLCO, diffusing lung capacity for carbon monoxide; ES, effect size; FEV1, forced expiratory volume in second; FVC, forced vital capacity; HAQ-DI, Health Assessment Questionnaire-Disability ... fundamental for starting a treatment that may ameliorate quality of life and increase survival We know that the gold standard to assess the efficacy of a drug is an RCT and therefore the only ... SF-36, short form-36; TLC, total lung capacity Moreover, neither bronchoalveolar lavage findings nor their changes after CYC treatment may predict the response to Page of (page number not for citation...
Ngày tải lên: 09/08/2014, 01:22
báo cáo khoa học: "Kaposiform hemangioendothelioma in tonsil of a child associated with cervical lymphangioma: a rare case report" pptx
... along with HHV8 negativity This reinforces lack of a common pathway for a Kaposiform hemangioendothelioma and a Kaposi’s sarcoma In spite of SMA positivity, aforementioned histological features ... in a KHE [2] This reinforces application of an optimal panel of IHC markers with the already described histomorphological ‘clues’ for a KHE Additional IHC markers like isoform 1, GLUT-1, a glucose ... were unequivocal for presence of substantial lymphatic component, wherein the lymphatic channels were negative for CD34 and CD31, in contrast to the lobules of spindle cells [2] Aforementioned histological...
Ngày tải lên: 09/08/2014, 01:24
Báo cáo khoa học: " Partial direct contact transmission in ferrets of a mallard H7N3 influenza virus with typical avian-like receptor specificity/" potx
... harvested, and samples were both fixed with buffered neutral formalin for histological evaluation and stored at -80°C for virus titration For histopathology, paraffin-embedded sections of μm thicknesses ... birds are the natural reservoir for influenza A viruses, however little is known about the potential of viruses from this primordial reservoir to infect mammals In this report we performed biological ... tested for virus using the Flu DETECT™ Antigen Capture Test Strip (Synbiotics Corp., San Diego, CA) and additional aliquots were stored http://www.virologyj.com/content/6/1/126 at -80°C before performing...
Ngày tải lên: 12/08/2014, 04:21
Báo cáo y học: " Detection of epithelial to mesenchymal transition in airways of a bleomycin induced pulmonary fibrosis model derived from an α-smooth muscle actin-Cre transgenic mouse" potx
... (1:800) pAb or goat anti-rabbit IgG-FITC (1:400) pAb for hour DAPI was used to stain nuclei (500 ng/ml in 95% ethanol) for Page of 11 (page number not for citation purposes) Respiratory Research 2007, ... (1:800) or goat anti-rabbit IgG-FITC (1:400) for hour Another subset of wells were fixed with PFA at RT for 20 and treated with 0.1% TritonX-100 for Coverslips were removed from wells, placed ... http://www.biomedcentral.com/1465-9921/8/1 with 10% goat serum for 30 and incubated with 100 μl Alex 594 phalloidin (1:500) for 20 at RT DAPI was used to stain nuclei (500 ng/ml in 95% ethanol) for 20 sec, and coverslips were...
Ngày tải lên: 12/08/2014, 16:20
Báo cáo y học: "Acute kidney injury in the intensive care unit: current trends in incidence and outcome" potx
... period [3] Another potential explanation is the availability of less nephrotoxic alternatives for various drugs and contrast agents This may also be related to a reduction in the use of old therapy ... Ideally, we would like to be able to prevent progression of AKI from milder to more severe forms; therefore, timely intervention is crucial Aside from how to intervene, the other important question ... biological clock, and the use of commercially available assays for cystatin C has been increasing [6] It will, however, take time before this practice becomes universal, particularly in developing...
Ngày tải lên: 13/08/2014, 08:20
Báo cáo y học: "Trends in transfusion of trauma victims evaluation of changes in clinical practice" pdf
... patients [22] No formal change in local guidelines occurred from 2002 to 2004, and our results may therefore reflect that clinicians change their practice according to evidence before formal guidelines ... from the Blood Bank ARN merged the data for all three periods and performed statistical analysis NOS performed the TRISS-analysis ARN was responsible for making figures and tables All authors ... FFP for preparation of each Octaplas batch Consumption of blood products The decrease in the ratios of erythrocytes to plasma as well as to thrombocytes is in accordance with modern guidelines for...
Ngày tải lên: 13/08/2014, 23:20
Tài liệu Why Has The Cost of Navy Ships Risen - A Macroscopic Examination of the Trends in U.S. Naval Ship Costs Over the Past Several Decades doc
... will have to be shared by the Air Force and the Navy three and one half days each per week except for leap year, when it will be made available to the Marines for the extra day” (Augustine, 1986) ... acquisition cost and performance differences for two ships, such as cost differences for the Aegis SPY-1A and SPY-1D radar systems, or compare how costs have evolved over time for painting and preservation ... forces—comprising nearly one in three such vessels—and therefore it is the group of ships for which we have the most data Each point in the figure represents the cost and fiscal year budgeted for...
Ngày tải lên: 17/02/2014, 22:20
Tài liệu Why Has the Cost of Fixed-Wing Aircraft Risen - A Macroscopic Examination of the Trends in U.S. Military Aircraft Costs over the Past Several Decades pptx
... have to be shared by the Air Force and Navy 3½ days per week except for leap year, when it will be made available to the Marines for the extra day Given increasing costs for military aircraft, relatively ... shared by the Air Force and Navy 3½ days per week except for leap year, when it will be made available to the Marines for the extra day Augustine based this prediction on costs for individual aircraft ... changes driven by performance and requirements issues (not a substitution for economic reasons) because the customers’ desire for performance has affected the choice of materials for airframes In...
Ngày tải lên: 17/02/2014, 23:20
báo cáo hóa học: " Incidence of Raynaud''''s phenomenon in relation to hand-arm vibration exposure among male workers at an engineering plant a cohort study" doc
... There was staggered recruitment into the study, the baseline being for 148 subjects 31/12/1986 and for 93 subjects 31/01/1992 For the 1992 baseline, the payroll roster of January 31st, 1992 was ... exposure dose of 1600 h · m/s2 or There were workers that had been exposed before 1987 and also ended exposure before 1987 this information has been taken into account since every worker has been interviewed ... basic model for survival data to be considered is the proportional hazards model [15] The proportional hazard is a regression method for studying risk factors in Page of (page number not for citation...
Ngày tải lên: 20/06/2014, 00:20
Báo cáo hóa học: "Improving global influenza surveillance: trends of A(H5N1) virus in Africa and Asia" doc
... need for new strategies to improve influenza global surveillance Specifically, the World Health Organization through the global technical consultation for influenza surveillance have called for ... Venter Institute (JCVI) and GenBank at the National Center for Biotechnology Information (NCBI) [18] We retrieved and archived records for HA sequences in Asian and African countries (all sequences ... [20], manually inspected for quality and trimmed to equal length Aligned sequences were used for genetic analysis using the minimum evolution method [21] Analysis were performed using the MEGA4...
Ngày tải lên: 21/06/2014, 19:20