Modelling Of 3 Phase Transmission Line Engineering Essay

perplexling Of 3 manakin transmittance nisus Engineering Essay transmittance disembowel is a intermediate to extend galvanising nix from oneness place to some other for long outgos with the aim is to reduce and economically. potential drop, current, motive and top executive factor ar the main point must be enumerateed at the s hold oning end and receiving end. Typically, in Malaysia the overhead contagion identify was utilize be comelyness cost and c atomic number 18 sens be handle easily. As we know, the transmitting bankers billage maturated eminent military unit of galvanical and magnetic knit stitch to a starter place the tower. establish on that, this check will sit downing transmittance eminence utilise mortal grammatical constituent mode (FEM) boil down on level potential 275kV. The issuance of simulation of the contagion epithelial duct model will analyze electric and magnetic plain stitch under contagious disease confines towe r.2.0 Problem controlIt is well known understand that the transmittal creese for 275kV produced high strength of electric and magnetic field under the tower. In other interchange, the field strength of electric field may create higher pains to the tower that may also tend to create high risk of infection to the tower as well as to the insulator to be used. another(prenominal) issue is how much tendency of magnetic field to be answer to the human and environment has be identified wisely. However, the certain measurement under 275kV transmitting flexure tower may give high risk. Therefore, the vanquish idea is to carry out the teaching as mention in a higher place is by performing simulation study.3.0 ObjectiveTo soak up the 275kV contagion take up specification.To model the 275kV Transmission eminence using limited Element manner (FEM)To simulate the 275kV Transmission striving using Finite Element system (FEM)To analyze the electric magnetic field showd by the 275kV Transmission Line model4.0 ScopeThe scope of this bewilder atomic number 18 -Specification is base on TenagaNasionalBerhad (TNB) 275kV Transmission Line.Transmission Line modelling using Finite Element order (FEM) softw be product.5.0 Literature survey and project backgroundAnelectric power carcassis a ne iirk of electrical components used to supply, transmit and use electric power. The main parts of electric power ashes be coevals, contagious disease system, distri moreoverion system and load. At generation part, to generate an electrical energy on large scale, energy must be generate from the various sources energy such as oil, natural gas pedal and other. Then, the contagious disease system transmit or carries current that generate from generation and distribution system feeds electric to load such as consumer and industry. This project will discuss further about transmittal line system.15.1 Transmission LineTransmission line or power line ar grave part in po wer network. former(a) than that, found on theory, transmission line also croupe be describe as propagation of electric waves along the transmission line. There are many a(prenominal) factor must claim to material body transmission line. Such as transmission voltage level, types of tower, environment and others. The transmission line also dejection be constructed in two ways, overhead transmission line and pipe transmission line.5.1.1 Underground Transmission LineIn underground system, the demarcation must be selective because all theater director must be insulated in this system. Therefore, the voltage level for this system will below 66kV cause difficult to find insulation for high voltage. Underground transmission line usually use at crowded areas because the cable used best-loved compare with overhead use bare conductor not worthy at that areas.15.1.2 Overhead Transmission LineOverhead transmission line usually use for transmit electric for over long surmounts. In thi s system, set amid the tower and the conductor are very important cause to avoid an electric discharge amidst the conductors. The appropriate spacing between the conductor will produce insulation between them. This system also expose to fault such as gyp circuit, respite of line and lightening. But it easy to troubleshoot and repair compare to underground transmission line. However, it difficult to find exact point of fault cause transmission line are very long. Other than that, between the tower and the conductor must have insulation to make the transmission more pencil eraser when do it maintenance. 15.2 Types of Transmission LineTransmission line be apart(p) two part AC transmission line voltage and towering Voltage DC transmission line (HVDC).5.2.1 High Voltage DC Transmission LineThe main factor affecting the cost of energy increases is the process of transmission lines to transmit the power to the load away from power generation. To overcome this issue that is usually do AC transmission line is using HVDC transmission line.The HVDC transmission line requires conversion at two ends, from AC to DC at the sending end and back to AC at the receiving end. The converter are static using high power thyristors connected in series to give the required voltage ratings. The physiologic process of conversion is such that the same station can displacement from rectifier to inverter by simple control action, thus facilitating power reversal.2 mannequin 5.2.1 strain of be with line length4 reckon above show the variation of costs of transmission line with distance for AC and DC transmission. establish on figure, before break even distance, cost of AC transmission is reasonable and economical than DC transmission. in the first place the break even distance point, the distance is about 500 to 800 km, so after that point or durable distance HVDC transmission line more economical than AC transmission.25.2.2 AC Transmission LineTransmission line also can b e classified into cardinal types such as dead transmission line, medium transmission line and long transmission line. For short transmission a length less than 80km, medium transmission between 80km until 240km and long transmission have length more 240km. Normally, the power grids also have three level of voltage High voltage (HV), medium voltage (MV) and low voltage (LV). In Malaysia, based on fact from Tenaga Nasional Berhad (TNB), AC transmission line have standard voltage called National Grid. Below are standard voltage of AC transmission line-i) 132kVii) 275kViii) 500kV5.3 Modelling Transmission LineFor this project focus on 275kV transmission line modelling. in advance go through below some daybook refer to this project.Based on journal titled Modelling and Analysing of a 275kV HVAC Transmission Line for Power System Transient Studies written by M. Z. A. Ab Kadir and C. Y Jay. In this journal, it discuss the efficiency and power losings of transmission line via the concep t of travelling wave. This case study had be done at Kampung Awah- Paka, Terengganu. This root was model transmission line using PSCAD/EMTDC computer package which they call for analyze the efficiency between the frequency open model and PI-section model.Before design or model transmission line on simulation, this authorship had consider three important literary argument such as series resistance, series inductance and shunt capacitor. Based on tower data below, this paper obtained the parametric quantity such as resistance, inductance and capacitance via calculation. From the information are given, Tenaga Nasional Berhad (TNB) such as skirt 1, design PI-section model.Line shout outKAWA-PAKATower typeSystemVoltageFrequencyLine lengthConductor diameterBundle spacingGround to conductor tipHorizontal spacingVertical spacingDouble circuit fretworkThree phase275kV50Hz160km24.16mm400mm126307300mm13000mm postpone 5.3 Parameter of 275kV KAWA-PAKA lattice tower1After consider all parameter, this paper construct design PI-section model using PSCAD/EMTDC software for 160km an overhead transmission line. To model 160km an overhead transmission line, this paper used eight identical pi-sections are connected series which each PI-section wreak 20km of transmission line. By terminating the hurry resistor at the end of transmission line, the efficiency can be measure.Figure 5.3.1 Line surge resistance using PI-section model 1For the frequency dependent model, this project used it as a reference cause it is the most accurate model. From this model also, we can learn the transient or harmonic behaviour of a line. Figure 2 show frequency dependent model.Figure 5.3.2 Line surge impedance using frequency dependent model1Both model are carried out using three different test such as, short circuit test, open circuit test and line surge impedance test. Line surge impedance test is a real line with minimum losses and both other are used to launch the behaviour of the travelling wave.SectionModel% differencesPi-sectionFreq. subordinatePi-sectionFreq. Dependent12345678273.59272.72271.87271.04270.24269.69268.69267.95272.97271.28269.32267.10264.63263.55263.01262.220.330.650.961.261.551.842.112.380.561.171.882.693.593.984.184.47Table 5.4 Summary of Pi-section and Frequency dependent modelResult of outturn voltage of each 20km section are summarized in Table above. From the Table, emergence of this project show the output voltage of Pi-section model and Frequency Dependent model are approximately same. In the real transmission line system, we expect voltage level before step up or step down at substation are maintain. Based on Table above, compare the output voltage of the Frequency dependent low than Pi section because the frequency dependent model consider all losses such as hysteresis, corona effect, eddy current losses in nearby ferromagnetic materials and induced losses in nearby short circuited non ferromagnetic material while Pi-section mod el only consider proximity effect and skin effect. Conclude from that, the efficiency both model are acceptable and approximately same. An efficiency percentage for Pi-section model is 97.6% and Frequency dependent model 95.5%. This project successful in modelled Pi-section model using PSCAD/EDMTC software and analyzed by compare with Frequency dependent model.3Second journal titled Power Flow Assesment in Transmission Lines using Simulink Model with UPFC written by Ch. Chengajah and R. V. S.Satyanarayana. This paper discuss about the performance of a single and double transmission line system (6.6/22)kV using UPFC or without UPFC model. UPFC is a co-ordinated Power Flow ascendancy which it can cleanse capability of power transfer or in other word to provide comprehensive control of power flow in transmission system.4This paper model the transmission line using Simulink to connected with UPFC model. Figure below show the transmission line model with UPFC turn by using Simulink. From the figure show the double circuit 22kV and 6.6kV interconnected with UPFC model. UPFC device function to control voltage visibility as the real and excited power in the transmission line.4Figure5.3.2 Transmission line model with UPFC device4Table below show the result of power flow and voltage profile transmission line model with UPFC and without UPFC.Parameter6.6kV Line22kV LineWithout UPFCWith UPFCWithout UPFCWith UPFCVoltage magnitude(kV)2.9262.9619.7545.162Real Power(MW)0.2740.2813.0500.854Reactive Power(Mvar)0.2050.2102.2800.639Table 5.5 Result power flow and voltage profile4Based on table above, this paper compare three parameter such as voltage magnitude, real power and reactive power. From that, an benefit can see for both transmission line when interconnect with UPFC. From that, this paper suggest mitigatement in transmission line system.45.5 SummaryBased on both journal discussed different step to model transmission line. For first journal, using PSCAD software, the paper make comparison efficiency between PI-section model and Frequency Dependent model. The paper construct by consider parameter such as resistance, inductance and capacitor to model transmission line. Then, PI-section model had been construct which each PI-model represent 20km. The simulation had be done not like real transmission line system but result at end of experiment approximately same.Figure 5.3.1 Line surge impedance using PI-section model 3For second journal, it use MATLAB/SIMULINK software to model transmission line. This paper discuss about function Unified Power Flow Controller (UPFC) in transmission system to improve voltage and power profile. This paper also consider value parameter such as resistance, inductance and capacitor to construct the model.Figure 5.5 22kV Transmission Line Simulink Model2Figure 5.5 above show example 22kV transmission line simulink model. At this end of this paper show result comparison between transmission line system with and withou t Unified Power Flow Controller (UPFC).Therefore, this project propose to use Finite Element method acting(FEM) to model transmission line. This project will model transmission line like a real transmission line using specification Tenaga Nasional Berhad (TNB). This project focus on 275kV HVAC transmission line and will model like real tower for 275kV transmission line. Besides that, significant of this project also can see electric and magnetic field at transmission line. From that, this project analyze further about effect electric field and magnetic field to human and environment.6.0 MethodologyStart consume the 275kV Transmission Line specification.Model the 275kV Transmission Line using Finite Element Method (FEM)Troubleshooting simulationSimulate the 275kV Transmission Line using Finite Element Method (FEM)Results Electric field and magnetic fieldAnalyze the electric magnetic field generated by the 275kV Transmission Line model finaleFigure 6.0 Flow chart of Final Year Proje ct6.1 Collect the 275kV Transmission Line specification.In this process, the specification of data of 275kV tower in Malaysia is needed to be collect from TNB (Tenaga Nasional Berhad). The data that need to be collect is the tower height from ground level, the distance between phase to ground, the distance between phase to phase, and distance between ground wire to phase. Other than that, types and size conductor that used for 275kV also need to collect.6.2 Model the 275kV Transmission Line using Finite Element Method (FEM)Based on data collection, model transmission lines tower with the conductor such as specification that used by TNB using Finite Element Method (FEM).6.3 Simulate the 275kV Transmission Line using Finite Element Method (FEM).For this step, simulate the model transmission line 275kV that construct before using Finite Element Method (FEM).6.4 Results Electric field and magnetic fieldThe expected result are to modelling transmission lines using bare-ass method using FEM. Other than that, this project also expected to produce electric field and magnetic field at transmission lines from one point to next point.6.5 Analyze the electric magnetic field generated by the 275kV Transmission LineAnalyze the electric magnetic field around transmission line 275kV model based on display from simulation.7.0 expect Results/BenefitThe result of this project should be able to design transmission line model using Finite Element Method (FEM) where the model must satisfied 275kV transmission line specification from Tenaga Nasional Berhad (TNB). The model are include electric field and magnetic field. From that, analyze the result based on electric field and magnetic field around the transmission line model. This project will develop in the buff method and new software to model transmission line with electric field and magnetic field by using Finite Element Method (FEM) from ANSYS Maxwell.8.0 Milestones lineDate expectationComplete literature review on the desi gn of Three Phase Transmission Line including the characteristic needed in design modeling.Nov 2012Complete search and collect data of 275kV transmission lineJan 2013Complete analyze the function of Finite Element Method to number the magnetic field and electric field.March 2013Complete design optimisationApril 2013Complete testing model with different parameter and analyze may 2013Final report writing (including paper/journal writing) and presentationJune 2013

MAMLD1 Mutation and Phenotypes of Hypospadias

MAMLD1 Mutation and Phe nonypes of HypospadiasThe consanguinity amongst clinical pheno theatrical roles and variants of MAMLD1 in children with hypospadiasYong-fen Lv, Lu-lu Cui, declension Li*Department of Endocrinology, yarn-dyes Children Hospital, Shanghai Jiaotong UniversityAcknowledgementsThe work was financi eachy supported by the key project of Shanghai municipal health bureau (2011111), spring chicken project of Shanghai municipal health bureaumajor pop subprojects of Shanghai science and technology commission (12411952408), Yangtze river delta research project of Shanghai science and technology commission (13495810300).AbstractPurpose To verify the relationship between clinical phenotypes of hypospadias and mutations of MAMLD1.Methods Seventy- dickens perseverings were diagnosed to be hypospadias in plane section of endocrinology and department of urinary surgery in our hospital. Among either the patients, 69 were with normal karyotype and enrolled as the analyze group. Fifty healthy boys were employed as the controls. Peripheral parentage were collected for DNA extraction. For the studied group, PCR primer was in cardinaltional and direct sequencing was performed for blanket for MAMLD1 mutations in hexad coding exons and the flanking sphere. Those mutated exons were examined for the control group.Results Thirty-five of in all the 72 patients (48.6 %) were isolated hypospadias. The other 37 cases (51.4%) were entangled by other genitourinary form malformations, including 12 cases with microphallus and/or under certain testicles. Abnormal karyotype was determine in 3 patients, and all were karyotype as 46, XX (SRY+ in 1 case and SRY- in 2 cases). Six types of MAMLD1 mutations were detected in exon 2, 3, 5, 7 in studied group, including c.5AG (p.D2G), IVS4-364C/A, c.1910AGp.N637S), c.2208TC, c.2227 GA (p.E742K) and IVS8-144C/T. All were mavin nucleotide pleomorphism tho c.5AG (p.D2G), a newly discovered point mutation. The often ness of IVS4-364C/A was importantly distinct between patients and controls, and it was in like manner significantly different between patients with and without microphallus and/or develop testicles.Conclusion Chromosome brachydactylicity is not the track ca intake of other genitourinary system malformations complicated with hypospadias. Mutations of MAMLD1 whitethornbe fast related to hypospadias in Chinese. c.5AGp.D2Gis the newly discovered point mutation in this work. IVS4-364C/A is associated with underdeveloped testicles and/or micropenis in hypospadias patients. establishmentHypospadias is one of the nigh common congenital genitourinary system malformations in males, with incidence 11%. As one of the Juvenile-types of testicular dys elementsis syndrome,(1-3) the prevalence of hypospadias is obviously increasing in these years. From 1987 to 2001, the prevalence rate was doubly change magnitude in China.(4) Hypospadias will lead to different degrees of genital malformat ion, and the clinical phenotypes straggle when with other complications. For instance, besides the agentral signs of hypospadias, e.g., ectopic ureteral orifice, phallocampsis, redundant dorsal prepuce, etc, the patient may be also suffered from other malformations including penoscrotal trans rig, cryptorchidism, hydrocele, oblique inguinal hernia, micropenis and underdeveloped testicles. Hypospadias is a complicated disease due to various suffers. The causes of most cases are not able to be verified, especially for those mild cases. For these cases, environmental factors, endocrinal factors and abnormal gene expression may be the preeminent causes.(5)The sex differentiation of males is a continuous series of processes related on the balancing and interaction of various genes like SRY, WTl, ATF3, SF-1, etc. MAMLD1, which is previously called chromosome X open reading frame6 (Cxorf6), is the important candidate gene widely studied recently. This gene is located in Xq28,(6,7) wit h molecular length of 157898 bp and containing 8 exons, among which exon 2, 3, 4, 5, 6, 7 are coding exons. MAMLD1 is initially detected in patients with X-linked myotubular myopathy. The fruitful systems of patients are normally developed with mutations in Myotubularin MTM-1, while different degrees of malformations go along in cases with deletion of MTM1 gene.(8-11) The subsequent experiments taperd that, for patients with 46, XY disorder of sex development (DSD), except MAMLD1, no other candidate genes were found in the deletion region. These results request that MAMLD1 is the perfect candidate gene for the study of 46, XY DSD, especially for hypospadias.This work aimed to approximate the mutations of MAMLD1 and clinical phenotypes in children with hypospadias in China, and thus to illustrate the role of MAMLD1 mutation in hypospadias.MethodsPatientsSeventy- 2 children with hypospadias admitted to Shanghai Childrens Hospital Affiliated to Jiaotong University from March 2011 to declination 2012 were enrolled in this study. Definite diagnosis was based on the clinical signs, and patients with adrenogenital syndrome were excluded with clinical examination.Clinical examinationClinical survey was performed including patients complain, present medical history, past medical history, personal history, family history, birth history, inducts medical history in pregnancy, previous exposure to environmental pollution, etc. Physical examination was performed to measure the hight, weight, heart rate, blood pressing and the status of gonad development, etc. For adolescent, the development of warrantary sexual characteristics was also assessed.Regular auxiliary examinations were performed including blood and urine routine test, biochemistry test, gonadal ductless gland level, adrenal cortex function and abdominal ultrasound exam, etc.Karyotype analytic thinking and detection of SRY geneLymphocytes were isolated from peripheral blood of patients, cultured and s meared on slides, and G-bands were produced by treatment with trypsin. Thirty split-phases were selected for each case, and karyotype analysis was performed according to ISCN-1995. SRY gene detection was performed for all the patients.Screening for MAMLD1 mutationsThe gene sequence of MAMLDI was obtained from National sharpen for Biotechnology Information (NCBI), which was the same as obtained from Ensembl Genome Browser NC_000023.10 (NCBI) versus ENSG00000013619 (Ensembl release 70-January 2013). Primers were designed for the coding exon 2, 3, 4, 5, 6, 7 of MAMLD1. DNA extraction was performed using TIANamp line of merchandise DNA Kit (TIANGEN Biotech (Beijing) Co., Ltd, China) and purity test was done. Ploymerase chain reaction (PCR) was performed with use of LONGgene A300 PCR and Premix Ex Taq Version2.0 (TaKaRa D332A), GC buffer (TaKaRa DRR20GC1) and rTag (TaKaRa DR001BM), 35 cycles of denaturation at 94 for 30 seconds,extension at 72 for 60 seconds. Mutations were identified in the six coding exons and flanking regions of MAMLD1, and those mutated exons were examined for the control group.Statistical analysisThe SPSS 18 software was employ for statistical evaluation. Chi-square test was used to compare the two groups, frequency of single nucleotide polymorphism between the two groups was canvas using pekan Exact test, and differences were considered statistically significant when the p-value was G (p.D2G), IVS4-364C/A (rs1209024), c.1910AG (p.N637S), c.2208TC, c.2227 GA (p.E742K, rs5925166) and IVS8-144C/T (rs658748). ii types of mutations were detected in exon 5 and 7 in all healthy controls, including c.1910 AG (p.N637S, rs2073043) and c.2208TC. Among all the mutations, c.5AG (p.D2G) was a newly discovered point mutation, others were all single nucleotide polymorphism. The studied group compared to the control group, the frequency analyzed by Fisher Exact test, the P value for IVS4-364C/A, c.1910AG (p.N637S), c.2208TC, c.2227 GA (p.E742K) and IVS8 -144C/T were 0.002, 0.638, 0.362, 1 and 0.509 respectively. Therefore, the frequency of IVS8-144C/T was significantly different between the two groups, and the frequency of the other 4 SNPs were not significantly different between the two groups.Relationship between mutations of MAMLD1 and clinical phenotypes of hypospadiasOne case with c.5AG (p.D2G) was isolated hypospadias, the urethral go-ahead position was located at the middle segment of penis. imputable to the limited hail of mutation cases, the prove size should be change magnitude to study the relationship between c.5AG (p.D2G) and phenotypes of hypospadias. Analyzed by Chi-squared test with Yates doggedness correction, the frequency of IVS4-364C/A was significantly different between patients with and without micropenis and/or underdeveloped testicles (p=0.001).DiscussionChromosome abnormalcy and karyotype change is one of the causes of hypospadias. Till now, ten types of chromosome abnormalities were confirmed involvi ng chromosome 1, 4, 6, 8, 11, 13 19, 20, 21, X, Y, etc. In the studied 72 patients, abnormal karyotype was identified in 3 patients, and all were karyotype as 46, XX (SRY+ in 1 case and SRY- in 2 cases). For these three patients, uterus and ovary were not found through the laparoscopic exploration. Therefore, they were diagnosed to be 46, XX male sex shiner syndrome. Karyotype analysis is important for hypospadias patients with sex reversal syndrome in exploring candidate gene and pathogenesis, in clinical diagnosis as well as in making therapeutic plan. However, there are only 3 cases with karyotype abnormality in the 72 patients studied, which means chromosome abnormality is not the leading cause of hypospadias.MAMLD1 is initially detected in patients with X-linked myotubular myopathy. The reproductive systems of patients are normally developed with mutations in Myotubularin MTM-1, while different degrees of malformations occur in cases with deletion of MTM1 gene.(8-11) neglect MAMLD1, no other candidate genes were found in the deletion region. These results indicate that MAMLD1 is the perfect candidate gene for the study of 46, XY DSD, especially for hypospadias.In the full treatment of Fukami et al., three nonsense mutations were detected, i.e., p.E124X, p.Q197X and p.R653X, in 4 XY DSD cases, involving micropenis and hypospadias with urethral enterprisingness position located on scrotum and the joint at penis and scrotum.(12) Kalfa et al. have studied the mutations of MAMLD1 in hypospadias patients and discovered 3 mutations, including p.V432A, p.E109fsX121 and P.531ins3Q, and they proposed that 10 percent of all the severe hypospadias cases was caused by mutations of MAMLD1.(13) In the study of Chen et al., three mutations of MAMLD1 were discovered, i.e., p.Q529K, p.D686D and noncoding region c.2065+8at, in 99 Swedish with hypospadias.(14) However, this is not the case in China. Qian et al. have studied the mutations of MAMLD1 in 100 cases of isolate d hypospadias,(15) where 200 healthy participants were willy-nilly selected as control. In their work, two point mutations, c.1699CT and c.1985AG, were detected and all were SNPs, and statistical analysis revealed that MAMLD1 is not the candidate gene for isolated hypospadias in China. The different results may be due to the different inclusion criteria of studied people between China and abroad, i.e., the studied populations of foreign works were mostly make up by hypospadias cases complicated by other genitourinary system malformations, including gonadal dysgenesis, while mostly isolated hypospadias cases were selected in the works of Chinese.In this study, a new point mutation c.5AG was detected in exon 2 of one patient, and this mutation was not found in controls. The mutation makes the second amino acid position, originally the hydrophilic negatively charged aspartic acid, substituted by a neutrally charged glycine. For various species, the second amino acid position in exon 2 of MAMLD1 is highly conserved, and analyzed via polyphen, the mutation c.5AG (p.D2G) of MAMLD1 is predicted to be probably damaging with a score of 0.996 from bombilateDiv and 0.993 from HunVar, which indicates that c.5AG (p.D2G) is highly related to hypospadias. screen predicts that the mutation can impinge on protein function, since there is no protein diversity on the site (supplementary figure 20). The case with c.5AG was isolated hypospadias, and the urethral opening was located in the middle segment of penis. A big sample size and the information of the exact protein function are required to unclutter whether c.5AG (p.D2G) of MAMLD1 is the cause of isolated hypospadias and its role in human sexual differentiation.The significant SNP detected in this work is the full mutation in introns crocked to exon 3, i.e., IVS4-364C/A (rs1209024), in 12 patients, which is not found in controls. The 12 cases including 2 cases with anterior hypospadias, 9 cases middle urethral openi ngs and 1 case posterior urethral opening. Among all the 12 patients, 6 were complicated by 2 other malformations, 8 cases were complicated by micropenis and/or underdeveloped testicles. Generally, introns are non-coding sections of a gene, which are removed sooner the mature mRNA can be transported, thus do not exist in the mRNA sequence. However, there may be several(prenominal) mini genes in some introns, the so called genes-within-genes. The frequency of IVS4-364C/A was significantly different between patients and controls, and it was also significantly different between patients with and without micropenis and/or underdeveloped testicles. Therefore, two possibilities could be speculated, the first is that there may be coding sequence related to micropenis and/or underdeveloped testicles in the introns close to exon 3 of MAMLD1, the second is that the mutation could affect mRNA cut back mode, thus lead to the change of protein function. Next tone of voice of our study plan is to verify whether the mutation could affect mRNA shear mode through reverse transcription, amplification and sequencing of extracted mRNA.References1. Skakkebaek NE, Rajpert-De ME, Main KM. Testicular dysgenesis syndrome an increasingly common developmental disorder with environmental aspects. Hum Reprod 200116972-8.2. Sharpe RM. Pathways of endocrine disruption during male sexual differentiation and masculinization. Best Pract Res Clin Endocrinol Metab 20062091-110.3. Sharpe RM, Skakkebaek NE. Testicular dysgenesis syndrome mechanistic insights and potential new downstream effects. Fertil Steril 200889(2 Suppl)e33-8.4. Wu YQ, Dai L, Wang YP, Liang J, Zhu J, Wu DS. Secular Trends of Hypospadias in Chinese Perinatals. J Sichuan Univ (Med Sci Edi) 200536274-6.5. Liang WQ, Ji CY, Zhang JM, et al. The correlation between the type of hypospadias and external genital system malformations. Chin J Urol 201132126-9.6. Laporte J, Kioschis P, Hu LJ, et al. copy and char acterization of an al ternatively spliced gene in proximal Xq28 deleted in two patients with intersexual genitalia and myotubular myopathy. Genomics 19974145862.7. Laporte J, Guiraud-Chaumeil C, Vincent MC, et al. Mutations in the MTM1 gene implicated in X-linkedmyotubular myopathy. ENMC International Consortium on Myotubular Myopathy. European NeuroMuscular Center. Hum groyne genet 199761505-11.8. Bartsch O, Kress W, Wagner A, et al. The novelcontiguous gene syndrome of myotubular myopathy(MTM1), male hypogenitalism and deletion in Xq28 root of the first familial case. Cytogenet Cell Genet 199985310-4.9. Bates PA, Kelley LA, MacCallum RM, et al. Enhancement of protein mannikin by human intervention inapplying the automatic programs 3D-JIGSAW and3D-PSSM. Proteins 2001S5(Suppl 5)39-46.10. Biancalana V, Caron O, Gallati S, et al. Characterisation of mutations in 77 patients with X-linked myotubular myopathy, including a family with a very mild phenotype. Hum Genet 2003112135-42.11. Hu LJ, Laporte J, Kre ss W, et al. Deletions in Xq28 in two boys with myotubular myopathy and abnormal genital development define a new contiguous gene syndrome in a 430 kb region. Hum Mol Genet 19965139-43.12. Fukami M, Wada Y, Miyabayashi K, et al. CXorf6 is a causative gene for hypospadias. Nat Genet 2006381369-71.13. Kalfa N, Liu B, Klein O, et al. Mutations of CXorf6 are associated with arrange of severities of hypospadias. Eur J Endocrinol 2008159453-8.14. Chen Y, Thai HT, Lundin J, et al. mutational study of the MAMLD1-gene in hypospadias. Eur J Med Genet 201053122-6.15. Qian C, Lin HW, Sun P, et al. enquiry of MAMLD1 gene in Hypospadias. J Clin Pediatr Surg 201211106-11.Figure LegendsFigure 1. Mutations of MAMLD1, the number represents the exon serial number, the black area represents the coding region.Table 1Clinic phenotypes of 72 patients with hypospadiasTable 2. Patients complicated by other genitourinary system malformationsTable 3. Mutations of MAMLD1 gene screened in patients and controls

Mixed Martial Arts Essay -- Sports Mixed Martial Arts History Essays

Mixed soldierly ArtsFirst off multiform martial humanistic discipline is what it sounds like. It is a session between two opponents who keep up trained or hatch trained in martial arts. Although conglomerate martial arts in not a mainstream sport, there is no reason why it should be banned in every state here in the coupled States. Like just about, if not all sports, there be rules that one most abide by , the fights are sanctioned, so rules must apply. There are regulations and weight sectiones much like other sports. Mixed martial arts is considered to be the ultimate fighting method. To be considered an accomplished fighter you vex to have skills in striking, take downs, submissions, stamina, but most of all you fate heart. Mixed martial arts, or MMA, started back in the United States in 1993, and over 70 year ago in other countries. The eldest mixed martial arts administration in the United States was the crowning(prenominal) Fighting Champion or UFC. Japans big gest mixed martial arts organization is PrideFC, which started back in 1997, (Doty 13). These may be the two largest mixed martial arts companies in the world. Back then and still today mixed martial arts have been the subject of arguable political debate. The wad against mixed martial arts have had many arguments against the sport in the early to mid 90s. It even convinced several states to ban the sport. This was because when mixed martial arts first started there was little to no rules. This was a one-event night tournament, where any fighters that signed up would fight numerous matches in one night, in a single elimination style tournament until one champion was named. Two men entered an octagon arena and did whatever they had to do to knock out, or tap out their opponent. Mixed martial arts fighters could not bite, eye gouge, or fish hook, and fights could only end with a referees stoppage, a knock out, or submission (Royce 6). Basically it was a channel fight without weapon s. In 2001 a major factor in the restitution of the sport, and the return of the sport to pay-per-view was the employ of a new set of rules. The incorporated rules of mixed martial arts combat, as drafted in New Jersey, and later adopted in Nevada 2001 were a welcome change to the sport. The new rules have five weight classes, rounds, time limits, a list of over 31 fouls, and eight possible ways for the fight to end,(Walter, grapplearts.com). The unified ... ... Its fans and fighters can be found all over the country. They represent every race and class of battalion in the United States. They are teachers, student, attorneys, truck drivers, accountants, ministers, soldiers, doctors, police officers, and family members. They are as much American as the fans and athletes involved in any other sport that is popularly and culturally accepted by the people of the United States of America. They are not savages, barbarians or criminals, or are they a collection of social deviants and m iscreants as people like John McCain would have the voting public believe. They are simply people who enjoy a sport that is misunderstood and as a result, feared and hated. With this stated, MMA should be completely legalized in the United States.Work CitedDoty, Edward. Life in The Cage. New York, NY EZboard Inc, 1998. Hester, Todd. Wanderlei Silva. Grappling may 2004 36-40, 91, 92, 97, 98.Royce, Gracie. What it Takes to be a Fighter. Grappling. May 2004 6-7. Walter, Donald. Mixed Martial Arts supreme Sport, or Ultimately Illegal? . 8 Dec. 2003. . 21 Apr. 2005. .

Entrapment in Waiting for Godot and Existence and Existents Essay

Entrapment in Waiting for Godot and Existence and Existents Samuel Becketts manoeuvre Waiting for Godot has been criticized as a play in which zip happens-twice. Not only be Vladimir and tarragon, the two primary characters, unable to change their circumstances in the get-go act, the second act seems to be a replay of this existential impotence. Vladimirs take down Nothing to be done, at the opening of the play, may be state to characterize the whole. tarragon complains that Nothing happens, nobody comes, nobody goes, its awful (Beckett 27). Ostensibly, the play is a series of meaningless conversations on subjects of no importance. One wonders, then, if it isnt unbent that nothing happens in this play and, hence, if the play has my real artistic merit. barely something is happening. The characters are struggling to free themselves from a treadmill of an existence in which they are trapped-a struggle that is, perhaps, significantly like our own. Let us offshoot cons ider the role of clock in the play. Vladimir and Estragon want time to pass but are forced to acknowledge that even when it does, nothing changes. In other words, the time they recognize offers them no genuine future. On the contrary, it promises them more of the same Estragon We came too soon. Vladimir Its always at nightfall. Estragon But night doesnt fall. Vladimir Itll fall all of a sudden, like yester twenty-four hour period. Estragon Then itll be night. Vladimir And we can go. Estragon Then itll be day again. (Pause. Despairing.) Whatll we do, whatll we do (Beckett 45- 46) If night would only come there would be an ratiocination to this day. But that is no hope since another day ... ...h, Colin. Angels of Darkness prominent Effect in Beckett and Ionesco. novel York Barnes and Noble Books, 1792. Fletcher, Beryl S., and John Fletcher. A Students incline to the Plays of Samuel Beckett. Boston Faber and Faber, 1985. Fletcher, J. Action and Play in Becketts Theater. Modern Drama 9 (1966/67) 242-246. Iser, W. Becketts Dramatic Language. Modern Drama 9 (1966/67) 251-259. Kenner, Hugh. A Readers Guide to Samuel Beckett. New York Farar, Straus, and Giroux, 1983. Lamont, Rosette. Becketts Metaphysics of Choiceless Awareness. Samuel Beckett Now. Ed. Melvin J. Friedman. Chicago U of Chicago Press, 1975. Lyons, Charles R. Samuel Beckett. New York Grove Press, 1983. Metman, Eva. Reflections on Samuel Becketts Plays. Samuel Beckett A Collection of Critical Essays. Ed. Martin Esslin. New Jersey Prentice-Hall, 1965.

Fredrick Douglass Essay -- essays research papers

After reading the record of the Life of Fredrick Douglass, An American Slave, I have received a damp understanding of the life of a slave. Douglass has a way of explaining the trials and tribulations of a slave, which makes the reader, looking at at the situations in a different perspective. Douglass narrative was originally oral exam and he eventually sat down and wrote it as explanation of events of that prison term during his life. I believe he wrote it non just to tell his story but for another(prenominal) abolitionists of the time to actually feel what the slaves went through.Douglass begins his narrative in a very original way. He does not jump into the accounts of his life. but he begins very passive and describes the overseers in a detailed manner. He compares one of his slave masters, Mr. Covey, to a horse circuit breaker. A horse breaker trains horses to be obedient and this is exactly what Mr. Covey does, he trains slaves in a similar way. The audience Douglass is trying to appeal to are the other abolitionists who he wants to convince that these masters were wrong for their treatment of other human beings. The other abolitionists consist mainly of white, middle-class individuals, usually women. They were the most literate flock of the time, therefore they could read this story and understand where Douglass was coming from. He did not go into gruesome details because the women of that time could not handle the unskillful descriptions of the beatin...

Analysis Of Sir Gawains Character Essay -- Arthurian Legends English

Analysis Of Sir Gawains CharacterIn Sir Gawain and the parking area Knight, the character of Sir Gawain, nephew of the noted Arthur of the Round Table, is seen as the most noble of knights who is the epitome of chivalry, yet he is also susceptible to mistakes. His tact, honor, honesty, and fearlessness are subjected to various tests, posed by the wicked Morgan le Fay. Some tests prove his character and the chivalrous enroll true and faultless, like the time he answers a gainsay although it business leader mean his death, or remains courteous to a lady disrespect temptation. Other tests prove his character and the chivalrous code faulty such as the time he breaks his promise to his host, and when he flinches from a faultless blow.The first test to his courage, courtesy, humility and loyalty toward his king, Arthur, occurs when the Green Knight dead appears at Camelots raw(a) Years feast. He offers the Round Table a challenge the post is for a man to strike him batting ord erh his axe, and twelve months and a day later, the Green Knight will return the blow. When Arthur accepts the challenge, Gawain interferes and asks Arthur with humility and courtesy to grant him the grace to stand by him (SGGK l. 343-344). He confesses that he is the weakest, and of wit feeblest, and the loss of his life would not be a great cataclysm at all because his body, but for Arthurs blood, is not worth practically (SGGK l. 354-357). He asks to be granted the privilege to claim the Green Knights challenge because it does not befit a king. Proof of Gawains character is substantiated by his noble acceptance of the Green Knights beheading game in order to release the king outright from his obligation(SGGK l. 365). It shows courage and loyalty that even among famed knights suc... ...love for his life. Thus Gawain deserves less blame for his assault minor transgression.Although Gawain, like most us, is prone to evil thoughts of selfishness and dishonesty, and takes a faint action, men still hold him dear in Bercilaks castle as well as in Arthurs Camelot (SGGK l. 2465). His friends are not as disappoint with him as he is disappointed with himself. He holds himself in contempt, rages in his mall and grieves for the shame in his actions and the green belt that he must oblige (SGGK l.251-252). He wears the girdle as a badge to remind him of his faults and to begin his pride when it becomes inflated. But he has learned from his mistakes and becomes an even better knight.Sir Gawain and the Green Knight in The Norton Anthology of English Literature 7th ed. vol.1. Abrams, M. H et al. New York W. W. Norton & Company, 2000. 157-210.

Dayton Hudson Corporation Case Analysis :: GCSE Business Marketing Coursework

Analysis of Dayton Hudson Corporation CaseIn the case of Dayton Hudson Corporation, the company fell into a situation of a foreign coup attempted by the Dart Group in 1987. At that time, Kenneth Macke was the CEO of the Dayton Hudson Corporation and sternly disagreed with letting the company fall into the transfer of the Hafts. Mackes decision on what could be done to wind up the takeover turned the circumstances over to the hands of the state of manganese where Dayton Hudsons headquarters resided. Macke requested a special session of the legislature to revisit the Minnesota corporate takeovers statute. This proved to work in Dayton Hudsons favor and a statute was enacted that left the decision of a takeover up to the Board of Directors of the company. The actions that were taken by Kenneth Macke to assist the company with the their takeover situation were an example of how business relies on the regime to be accountable for cordial issues. When pleading their (DHC) ca se to the governor, Dayton Hudson made sure to make hunch over all of the contributions that they have made to the community and how they have provided safe and stop jobs for its residents. They claimed that if they were to be taken over, the Hafts would probably break up the company and sell it off to pay for the expenses incurred from the takeover. Jobs would be lost and in that location would most likely be no social contributions made by the Hafts.Out of the thinkers that we have studied regarding business responsibility, I think that the two that would agree with Mackes decision to look to the political relation would be both Freeman and Friedman. In the readings that we have covered, we have seen that they are believers in that the government is who should be responsible for social issues in some way or another. I think that Freeman may feel a destiny more strongly about Mackes decision than Friedman because he argues that government is the sole caretaker when it com es to taking responsibility for social issues while Freeman argues that it is in the first place governments job, but that business plays a huge use in that responsibility. Friedmans views are that business main responsibility is to increase shareholders wealth and that in doing so, they are being socially responsible. He besides contends that corporations are not people and therefore they cannot be responsible for social issues.