... the author moved to the Univ of Tokyo and began his research on the "determination of genetic and epigenetic cellular control processes" To understand the meaning of the genetic variability and ... good standard for the comparison, evaluation, and development of our approach The ultimate aim of our project is to provide a comprehensive understanding of living systems as the products of both ... process involved one of the cells following the rhythm of the other, and that the 'copy cat' cell stops beating prior to acquiring the new beat rhythm information, and those two kinds of information...
Ngày tải lên: 11/08/2014, 00:22
... those of Figure 10 AlamarBlue histograms AlamarBlue assay at 24, 48 and 72 hours showing the viability of PC12 cells after treatment with varying concentrations [10[[(-7)-(-9)] M] of the gel and ... used to quantify the amount of double stranded (ds) DNA in ng/μl The graph shown in Figure 11 illustrates the total amount of DNA present (ng/μl) in live PC12 cells after 24, 48 and 72 hours of ... co-incubation times Uptake of QDs and their effect on cell morphology Stock gel and non-gel QD solutions (10-4 M) [17] were diluted to a range of concentrations (10(-7)-(-9) M) and Figure QD interactions...
Ngày tải lên: 11/08/2014, 00:22
Tài liệu BALL SCREW DRIVE SYSTEMS: EVALUATION OF AXIAL AND TORSIONAL DEFORMATIONS docx
... position of the carriage, uc(t), and the absolute position of the screw at the interface-point coordinate xc It is important to notice that Eq (4) involves axial and torsional displacements together, ... coordinates, one to describe the carriage position uc and other one to describe the rotor angular position θm Thus the total system order is N = NU +NΘ, with NU = Nu +1 and NΘ = Nθ +1 The solution of the ... (27) According to Eq (26) and (27), to find the axial and angular components of the mode functions, it only requires to identify the elements, from {Φj}, associated with each type of Copyright...
Ngày tải lên: 13/12/2013, 01:16
Tài liệu Báo cáo khoa học: "Cross-Domain Co-Extraction of Sentiment and Topic Lexicons" pdf
... Hu and Liu et al (2004) proposed an association-rule-based method to extract topic words and a dictionary-based method to identify sentiment words, independently Wiebe et al (2004) and Rioff ... proposed to use topic modeling to identify implicit topics and sentiment words (Mei et al., 2007; Titov and McDonald, 2008; Zhao et al., 2010; Li et al., 2010b), where a topic is a cluster of words, ... fine-grained topic-word extraction Jin and Ho (2009) and Li et al (2010a) both proposed to use supervised sequential labeling methods for topic and opinion extraction Experimental results showed that...
Ngày tải lên: 19/02/2014, 19:20
LAWS OF TRINIDAD AND TOBAGO - ENVIRONMENTAL MANAGEMENT ACT docx
... containing a photograph of the holder Powers of entry and inspection 22 (1) Subject to subsection (2), any inspector shall, upon presentation of his identity card and reasonable evidence of his authorisation ... maintenance and monitoring of facilities or processes for the control of pollution and the handling of wastes; and any other matter required to be, or which may be prescribed by the Authority 27 ... programme to define those wastes which should be deemed “hazardous wastes”, to establish requirements for the handling and disposal of hazardous wastes, to establish appropriate standards and design...
Ngày tải lên: 06/03/2014, 16:20
stenersen - chemical pesticides - mode of action and toxicology (crc, 2004)
... nicotinic acetylcholine receptor Fungicides Blocks electron transfer between cytochrome b and cytochrome C1 in the mitochondria Inhibits synthesis of methionine May inhibit phosphorylation of glucose ... EUROTOX Registered Toxicologists and is responsible for the master’s and Ph.D studies of toxicology at the Biological Institute, University of Oslo The mode of action of pesticides, development of ... Mode of action and toxicology toxicants into roughly seven categories according to the type of biomolecule they react with Toxicants in the same category not need to be chemically related, and...
Ngày tải lên: 03/04/2014, 12:11
determination of methanol and ethanol
... eluted with ml of water to a volumetric flask The volume of water used for elution was set at this time at ml in order to exceed the hold-up volumes of cartridges (between 1.6 and 1.8 ml), and give ... interior of the laboratory and urban sites which were studied, are briefly described below 2.5.1 Laboratory The facilities of our research group, a set of three rooms with a total area of around ... Number of experiments as function of methanol migration through the columns (total experiments = 10) the best results, being capable of retaining the totality of the alcohol for air volumes up to...
Ngày tải lên: 26/05/2014, 17:25
Báo cáo hóa học: " Analysis of in vitro replicated human hepatitis C virus (HCV) for the determination of genotypes and quasispecies" docx
... blood (PCLB-T1 to PCLB-T7) in order to determine the effects of repeated transfers into a single cell type We sequenced the 5'UTR of PCLB-T1, PCLB-T4a, and PCLB-T7 and compared these to the 112B-T1 ... types of experiments: (1) transmission of HCV from patient 081 into different cell types, and (2) transmission of 112B-T1 virus in the same cell type over a period of time Analysis of the 5'UTR of ... Richard Green and Terry L Cole of Community Memorial Hospital, Ventura, CA, Drs Rosemary McIntyre and Parsa of Hematology & Oncology Specialists of Oxnard, Ventura, CA, Dr Kip Lyche of Ventura County...
Ngày tải lên: 20/06/2014, 02:20
reliability in automotive and mechanical engineering determination of component and system reliab pdf
... by the factor of eight! It is also well known, that guarantee and warranty costs can be in the range of a company’s profit (in some cases even higher) and thus make up to 12 percent of their turnover ... various methods of both qualitative and quantitative methods shown in Figure 2.1 Reliability in the Design Phase Goals: - Prognosis of the expected reliability - Recognition and elimination of weak ... Methodological reliability tools, both quantitative and qualitative, already exist in abundance and when necessary, can be corrected for a specific situation A choice in the methods suitable to...
Ngày tải lên: 27/06/2014, 18:20
Chemical Pesticides: Mode of Action and Toxicology - Chapter 2 pptx
... measure the level of an enzyme and how its activity is increased (e.g., CYP1A1) or reduced (acetylcholinesterase), how a toxicant reduces the light of a phosphorescent bacterium, or how much a bacterium ... Figure 2.2a to c and Figure 2.3a and b show that the transformation of the doses to log dose, and the use of probit units for responses, makes it much easier to interpret the graphs However, there ... later Inhibition of the CYP enzymes with piperonyl butoxide or SKF 525A should therefore reduce the toxicity of parathion and other phosphorothionates However, experiments with mice show that this...
Ngày tải lên: 11/08/2014, 12:21
Chemical Pesticides: Mode of Action and Toxicology - Chapter 3 pps
... mg/l, and for Daphnia, ≈0.1 to 0.75 mg/l) The herbicides are, of course, very toxic to photosynthesizing algae, and leakage into lakes and rivers and contamination of groundwater must therefore ... lack of energy due to inhibition of photosynthesis, but is rather due to production of reactive oxygen species When excited chlorophyll cannot transfer the energy to plastoquinone, it is forced to ... is changed into phosphoric acid by oxidation By using pellets of aluminum phosphide at the top of the stored product, phosphine is slowly released by reacting with moisture Other phosphine salts...
Ngày tải lên: 11/08/2014, 12:21
Chemical Pesticides: Mode of Action and Toxicology - Chapter 4 ppt
... for toxic cytosolic proteins (Cyt toxins) are called cyt genes Many Bt strains are able to produce a number of such smaller cytosolic endotoxins in addition to the δ-endotoxins, but these are often ... inhibitory effect of β-exotoxin on the regeneration of midgut cells damaged by δ-endotoxin A new variant of β-exotoxin that is toxic to aquatic mollusks has been described It may be useful to control ... The activated toxin binds to receptors, which seem to be of different types, on the midgut microvilli of the susceptible insects Different toxins seem to bind to different receptor proteins that...
Ngày tải lên: 11/08/2014, 12:21
Chemical Pesticides: Mode of Action and Toxicology - Chapter 5 docx
... inhibitor of AChE and is very toxic to insects The biological function for the bacteria is not known However, the phosphorus atom is linked to four different groups and therefore gives rise to optical ... rhizomes and stolons of perennial plants ©2004 by Jørgen Stenersen The diagram shows the pathway from shikimate to chorismate and the step inhibited by glyphosate ATP HO H ADP shikimate H CCOO phosphoenol ... azamethiphos Bromophos and fenchlorphos have remarkably low mammalian toxicities compared to parathion, but some newer organophosphorus insecticides may compare well with these Azamethiphos and phoxim...
Ngày tải lên: 11/08/2014, 12:21
Chemical Pesticides: Mode of Action and Toxicology - Chapter 6 ppsx
... of the structure of the neuron showing the cell body with dendrites, nucleus, mitochondria, and the axon terminating in synaptic knobs with mitochondria and vesicles similar general anatomy and ... inositol, its toxicity was due to interference with the inositol metabolism, although the importance of inositolphosphates in the internal signaling system of the cell was not known Lindane was shown ... parts of the nervous systems Binding of two acetylcholine molecules opens the channels, leading to influx of sodium and transmittance of the impulse Symptoms of poisoning are therefore referred to...
Ngày tải lên: 11/08/2014, 12:21
Chemical Pesticides: Mode of Action and Toxicology - Chapter 8 pptx
... binding of the substrate to the enzyme, oxidation of Fe+++ to Fe++, change of the valence electrons of Fe++ from low-spin to high-spin orbital, binding of oxygen to iron, and successive transfer of ... demeton-S-methyl, dimethoate was often preferred for use in aphid and mite control as a result of the lower human toxicity The ethyl analogue of demeton-S-methyl (demeton) is much more toxic and is now superseded ... cycle of the CYP enzymes The substrate binds to a hydrophobic site of the enzyme (I → II) This leads to a shift in the valence electrons of iron, from low-spin to high-spin status, and an uptake of...
Ngày tải lên: 11/08/2014, 12:21
Chemical Pesticides: Mode of Action and Toxicology - Chapter 9 pdf
... cases show higher sensitivity to other pesticides or be less tolerant to the cold The phenylcarbamate diethofencarb is active toward Botrytis spp., showing resistance toward benzamidazoles, and ... mechanisms of resistance have been observed so far Interference with the binding of the toxin to the receptor and its insertion into the membrane is most common, although cleavage of the protoxin ... atrazine and other photosynthesis inhibitors is the so-called D1 protein of photosystem II Herbicide binding causes a “bunging up” in the passage of electrons from chlorophyll to plastoquinone Chloroplasts,...
Ngày tải lên: 11/08/2014, 12:21
Báo cáo y học: "Systematic review of safety and tolerability of a complex micronutrient formula used in mental healt" pptx
... Page of Authors’ contributions All authors have made substantial contributions to the conception and interpretation of the data presented here JSAS, SGC, CF, and BJK drafted the manuscript and ... CF, and EB were all involved in design and implementation of some of the data collection, as well as interpretation of the results All authors read drafts near the completion of writing, and ... complex and likely relate to some of the underlying etiology or pathophysiology of psychiatric disorders With two exceptions, each of the studies mentioned above has used a unique combination of ingredients...
Ngày tải lên: 11/08/2014, 15:22
Báo cáo y học: "Onset of efficacy and tolerability following the initiation dosing of long-acting paliperidone palmitate: post-hoc analyses of a randomized, double-blind clinical trial" doc
... early onset of effect are important considerations in the choice of an antipsychotic agent Rapid symptom control is a strong predictor of treatment success and may be a valuable indicator of longterm ... rapid and robust control of symptoms at well tolerated medication dosages are primary goals to reduce emotional distress, minimize disruption to the patient’s life, and reduce the risk of dangerous ... March 2007 to March 2008 at 72 centers in countries in North America, Europe, and Asia Subjects with schizophrenia and a PANSS total score of 70 to 120 (inclusive) at screening and 60 to 120 (inclusive)...
Ngày tải lên: 11/08/2014, 15:22
Báo cáo y học: "Immediate determination of ACPA and rheumatoid factor - a novel point of care test for detection of anti-MCV antibodies and rheumatoid factor using a lateral-flow immunoassay" pdf
... A, Jover JA: Lag time between onset of symptoms and access to rheumatology care and DMARD therapy in a cohort of patients with rheumatoid arthritis J Rheumatol 2000, 27:2323-2328 Snijders GF, ... article as: Renger et al., Immediate determination of ACPA and rheumatoid factor - a novel point of care test for detection of anti-MCV antibodies and rheumatoid factor using a lateral-flow immunoassay ... antibodies and of 55.6% for RF-IgG as well as to a specificity of 99.7% for MCV and of 97.2% for RFIgG Overall, correlation between both methods was 93% regarding detection of anti-MCV antibodies and...
Ngày tải lên: 12/08/2014, 14:22
Báo cáo sinh học: "Effectiveness analysis of resistance and tolerance to infection" docx
... one without infection If li = 0, the host is not tolerant to the deleterious effects of the pathogen Hosts invest part of their constitutive resources to resist or tolerate the pathogens and costs ... Walloon region of Belgium Individual performance The performance of an infected host decreases proportionally to the number of pathogens (Cit) and to investments of the host in tolerance [15]: ... period) Within the host, the number of pathogens increases following a sigmoidal growth curve and is directly related to the number of immune constituents of the host response to the pathogen, with...
Ngày tải lên: 14/08/2014, 13:21