Saturday, September 7, 2019

Global Business Strategy Essay Example | Topics and Well Written Essays - 1500 words

Global Business Strategy - Essay Example This further asserts that liberalism and structuralism dominates and applies to WTO system as an organization that is weaving global influence in world political economy. Liberalism, National Protectionism and Structuralism Liberalism theory is etymologically derived from individual’s love of freedom and democratic principles. Applied to governance, liberalism adheres to liberal democracy which is inclined to more peaceful administration of government. Pluralist liberalism contends that the inequitable distribution of power cause gaps and may result to international conflict while economic liberalism rest on economic interdependence of states to establish peace and cooperation (WTO, 2011). In regulatory processes, liberal policies and foreign relations are driven by the principle of accommodation. Under liberalism, individuals and private groups seek to promote their independent interests within the context of differentiation, individual autonomy and an unlimited competition b y seizing either absolute or comparative advantage (Roy, 2011). It seeks to limit the role of the state in the economic activities. Economic nationalism, on the other hand, refers to the set of policies which regulate the capital generation, economic control, labor management. Capital generation also deals with tariff imposition and some restriction on the movement of labor, goods and capital (The Economist, 2009). It is contrary to globalization, liberalization and unrestricted free trading. It seeks to assert the role of the state in managing national economy. Cross-national trading is consistent to economic protectionism and import substitution. As a consequence of this, economic protectionism extols the imposition of tariff trade to control national involvement in international trading and encourage their local industries to cultivate their business, unions and market for domestic competitiveness (Economist, 2009). Roy (2011) pointed that a country barring economic liberalizatio n would confront problem on decreasing trade relations and poor strategy in trade management. Under mercantile operations, protectionist economy prefer the exclusive trading within a region or country, hence, their raw materials and resources are not exported but are utilized for its own populace. Developing internal competitiveness proved advantageous for them to nourish their independence, inventiveness and innovation in managing domestic markets (Economist, 2009). It’s likewise aimed at stimulating its economy, free from external compulsion and to revolve their finances within. It is against foreign acquisition of national resource for multinational-sourced developments. Structuralism is a theory which focuses on framework or models about how an institution or organization coordinate and interrelate for the full completion of their tasks Structuralism relates to the ties of government and its people in an interrelated social fabric and operation of governance (Balaam & Dil ham, 2010). In trading, this points to the relation of investing countries to host nations in international trading relations. Since structure binds people, the political and economic relations are likewise sensitive to system of social behavior, culture, economic dynamism or political processes. It illustrates some frameworks and policies that are maybe extensive, diverse and sometimes complicated, especially on international market relations between less developed countries and the industrial or

Friday, September 6, 2019

Issues in Human Resource Strategies That Improve Organizational Performance Essay Example for Free

Issues in Human Resource Strategies That Improve Organizational Performance Essay A rapidly changing economic environment, characterized by such phenomena as the globalization, and deregulation of markets, changing customer and investor demands, and ever increasing product market competition, has become the norm for most organization. To compete, they must continually improve their performance by reducing costs; innovating products and processes; improving quality, productivity, and speed to market; and more importantly by improving their individual performance within the organization. In order to do this, a set of distinctive human resource strategies, defined as internally consistent bundles of human resource practices (Dyer Reeves, 1995), is clearly essential. Sparrow and Marchington (1998) suggested that HR practices are the most advanced, the most sophisticated, and the most efficient basis for organizing and for obtaining high performance from employees since it seeks to strategically integrate the interests of an organization and its employees. In addition, a number of studies have also indicated that there is a positive relationship between effective HR strategies and organizational performance. Specifically, it is suggested that HR practices can improve organizational and operational performance when matched with quality manufacturing strategies (Stone, 2002). Nevertheless, despite the positive relationship found between HR practices and firm performance, there are a number of issues and questions surrounding them. One problem in relating HRM and performance is the lack of theoretical background; resulting in both terms remain ambiguous concepts. Other questions arise in relation with the link between HR strategies and performance are the inconsistent findings in regards to what constitutes a high performance HR strategy (Becker Gerhart, 1996; Cooke, 2001) and the problems with HRM and performance measurements (Guest et al. , 2003). The aim of this essay is to outline and explain the issues in developing human resource strategies that improve organizational performance. Specifically, the essay shall begin with presenting the issue of theoretical background of the concept of HRM and organizational performance. Subsequently, it shall discuss the issue about diversified strategies used to improve performance, and the problems in measuring HRM and performance. ?HRM and Organizational Performance: The Lack of Theoretical Background Guest (1997) pointed out that to improve our understanding of the impact of HRM on performance; we need a theory about HRM, a theory about performance, and a theory about how they are linked. Unfortunately, there has been a great deal of debates amongst leading researchers and practitioners about the concept and contributions of HRM practice in managing employees in overall organizational objectives (Loosemore, Dainty Lingard, 2003; Analoui, 1998; Sparrow Marchington, 1998). McCarthy and Stone (1986) argued that the concept of HRM is ambiguous and that its contribution to organizational performance remains unclear and is not well understood. In addition, Sparrow and Marchington (1998) pointed out that rather than adding value to the business through its strategic integration with managerial objectives, HRM can remain a disappointingly mechanistic function. Similarly, there is no universal theory about performance (Guest, 1997). It was proposed that the meaning of performance involves two dimensions; the types of criteria and the weight of each. Organizations have different interpretations of performance according to the sector of their industries. Service providers, for example, might consider customer satisfaction as their top performance indicator, while manufacturers might view inventory level as an important criterion to measure their performance level. In addition, some organizations put financial results on top of their performance indicator list and employee’s job satisfaction at the bottom, but others may view this in the opposite position. As a result, it is hard, if not impossible, to define the concept of performance that applicable for all organizations. The impact of HR practices on firm performance is without a doubt an important topic in the fields of human resource management, industrial relations, and industrial and organizational psychology (Huselid, 1995; Jones Wright, 1992). This literature, although largely conceptual, concludes that HR practices can help to create a source of sustained competitive advantage, especially when they are aligned with a firm’s competitive strategy (Jackson Schuler, 1995; Wright McMahan, 1992, both as cited in Huselid, 1995). Specifically, a large majority of published studies found an association between HR practices and firm performance, regardless of whether they are cross-sectional or longitudinal, whether conducted at establishment or company level, whether based on strong performance data or subjective estimates, whatever sector they are based on, whatever operational definition of HRM is used, and wherever they are conducted (Guest et al. , 2003). Nevertheless, despite the positive thrust of most empirical findings, Wood and de Menezes (1998, as cited in Guest et al. 2003) failed to find consistent associations between HRM and performance. Furthermore, Wood (1999) has also argued that the relationship between HRM and performance is relatively weak. One possible explanation lies in the various contingency factors, other than HR activities, that might contribute to organizational performance such as organizational culture (Kotter Heskett, 1992; Van der Post et al. , 1998), business strategy (Richard Brown Johnson, 1999), and political considerations (Ferris et al. 1998). ?Improvement Strategies: Is There One Best Way? Much of the research on the link between HRM and firm performance has looked at single HR practice such as compensation or selection, while others attempted to look on the impact of combining different HR practices to improve firm performance (Becker Gerhart, 1996). Pfeffer (1998, as cited in Tyson, 1997), for instance, put forward a seven-principle best practice which he believed is universally applicable. The seven best practice HRM elements include; employment security, selective hiring, self managed teams, high compensation contingent on organizational performance, extensive training, reduction of status difference, and information sharing. Theoretically, bundling several HR practices should produce greater performance effects than any of the individual human practices (Dyer Reeves, 1995). However, in reality, there is no single standardized bundle of HR strategies that is universally applicable for all organizations. Each firm might require different bundles of HR strategies to improve its organizational performance.

Thursday, September 5, 2019

Immune Responses of Cytokine Adjuvented DNA Vaccine

Immune Responses of Cytokine Adjuvented DNA Vaccine KOTLA SIVAREDDY Title for the Ph.D Thesis â€Å"Study on Immune responses of Cytokine Adjuvented DNA vaccine (genes coding for structural proteins) for FMD delivered by cationic PLG micro particles†. Objectives: To clone gene coding for structural protein of FMDV in eukaryotic expression vector (pC DNA) under CMV promoter. To clone bovine interleukin 18 gene in suitable cloning vector and express the same in Bacterial/yeast expression system for characterization of expressed recombinant protein. To construct a vaccine construct consisting of FMDV P1 (structural), 3C (Viral protease), and Bovine interleukin 18 genes in eukaryotic expression system under CMV promoter (pC DNA). To study the expression of the vaccine constructs in vitro in BHK-21cells. PLG micro particles’ preparation and characterization. To study the immune responses of the DNA vaccine in experimental animals (guinea pigs / cattle). Foot-and-mouth disease (FMD) caused by foot-and mouth disease virus (FMDV) is an infectious disease affecting cloven-hoofed animals, and poses a serious threat for animal health and exacts an economic toll on the livestock industry. FMD viral genome is a positive-sense single stranded RNA of approximately 8.5kb. The viral RNA genome is translated as a single polypeptide precursor that is subsequently processed by virus-encoded proteases 2A and 3C to produce the structural and non-structural proteins required for virus assembly and replication. One of the initial polypeptide cleavages, mediated by the 2A protein, is a co-translational cleavage at its own C terminus to release it from the 2B protein. The viral 3C proteinase subsequently processes the structural protein precursor, P1-2A, into the capsid proteins, VP0, VP3, and VP1, and the non structural peptide, 2A. These proteins then self assemble to form empty icosahedral capsid particles that contain 60 copies of each protein. Immu nological studies have identified linear and conformational sites that are present on both empty capsids and virions, and antiserum raised against either form has the same serological specificity. Thus, the structural protein precursor, P1-2A, and the 3C protease of FMDV are desirable immune antigens for new vaccine development. In countries where disease eradication has not been achieved, vaccination plays a crucial role in its control. Although inactivated virus vaccines effectively prevent FMD, they have several limitations like short duration of immunity, incomplete viral inactivation and virus escape from vaccine producing facilities. As a result, alternative approaches are being investigated, including the construction of modified live virus, subunit vaccines, synthetic peptides, naked DNA plasmids. DNA vaccination which offers several promising features i.e., DNA is convenient to manufacture and store, its production is safe, sequences from circulating strains can be easily i ncorporated in the vaccines, and it also allows the discrimination of the infected from the vaccinated animals. Several reports have shown the efficiency of DNA vaccination to induce protective immunity in the mouse model. However, the primary difficulty with DNA vaccination is its poor immunogenicity in target species. Cytokines are being used as molecular adjuvants by co administering with DNA vaccines to improve the efficacy of the vaccine. Cytokines play an important role both in the development of a functional immune system as well as in the responses of the organism to infection. Interleukin18 (IL18) is a potent interferon ÃŽ ³ (IFNÃŽ ³) inducing factor (IGIF), enhances Th1 immune responses. Recent studies have shown that IL18 also promote Th-2 type responses and increases dendritic cell (DC) number in lymph nodes in mice. In addition, IL18 has been used as an adjuvant to DNA vaccines for classical swine fever virus, pseudo rabies virus, porcine reproductive and respiratory sy ndrome virus.IL18 was co expressed along with FMDV VP1 in Pichia as fusion protein has enhanced humoral responses and marginally the CMI response in mice. Recombinant fowl pox co-expressing FMDV P1 2A3C and IL18 enhanced the immune responses and gave higher protection in swine Many other studies have shown the positive effect of plasmid encoding the IL-18 as a molecular adjuvant on DNA vaccinations. Efficacy of DNA vaccine could be improved by the inclusion of adjuvants and good vaccine delivery systems. Importantly, cationic microparticle with adsorbed DNA induced enhanced immune responses in comparison to naked DNA and this enhancement was apparent in all species evaluated, including nonhuman primates. Cationic PLG microparticles appear to be effective predominantly as a consequence of the efficient delivery of the adsorbed DNA into DC. Following administration, the micro particles are also very effective at recruiting DC to the injection site, and the micro particles also protect adsorbed DNA against degradation in vivo. A second useful property of micro particles is that they can present multiple copies of antigens on their surface, which has been shown to be optimal for B cell activation. The main advantage of this type of association is the efficient immobilisation of plasmid DNA on the microparticle surface without compromising its integrity. Moreover, after administration, the release of cationic DNA complexes from the surface appeared to facilitate the transfection of cells .At this point, it is not completely understood, whether the adsorption on cationic micro particles can protect plasmid DNA from cleavage through endonucleases after administration in vivo. Nevertheless, release of cationic DNA complexes is expected to provide better protection as compared to release of free DNA. Beside their inherent safety and ease of administration, they improve the DNA capture by antigen presenting cells (APC) and stimulate APC maturation. DNA delivery via PLG has been successfully used to vaccinate against several infections in mice, guinea pigs and even in macaques models. 1. AMPLIFICATION and cloning of gene sequence coding for P12A 3C FMDV serotype ‘Asia1’ gene coding for the polyprotein, P1-2A (2.3 kb) was amplified from viral genome, of the serotype ‘Asia1’ polyprotein gene, using VP4L (Bac) and 2AR (E.coR1) primers. Cloned in to pC DNA at E.co R I, BamHI sites. Ligated and transformed in to DH alpha 5 cells. Transformants are screened by colony PCR by using insert specific primers. Orientation was checked by PCR. Insert release was confirmed by RE digestion by using E.co R I, Bam HI. 3C coding sequences were amplified from clone available in lab. 0.6 Kb was amplified .The purified amplicon was digested and ligated in to p C DNA and transferred in to competent DH5à ¯Ã‚ Ã‚ ¡ cells upon screening by PCR and by re digestion positive clones were conformed. 2. Cytokine amplification (IL18) and cloning in prokaryotic / yeast pC DNA expression vector and characterization of expressed protein. Interleukin 18 (IL18) modulates immune functions by inducing interferon–Î ³(IFN-ÃŽ ³) production and promoting Th1 immune responses. In the present study I amplified and cloned the sequence (582 bp) encoding full length bovine IL18 from peripheral blood mononuclear cells (PBMC) stimulated with Phytohaemoglutinin (PHA). Nucleotide and the deduced amino acid sequence of the cloned IL18 showed an identity of 86-98% with IL 18 sequences of the other ruminants compared. The insert was sub cloned in to eukaryotic expression vector (PcDNA) .The specificity of the expressed IL 18 was confirmed by western blotting. The insert was sub cloned in to pET 32a vector and expressed in E.Coli as fusion protein of 42kDa. The specificity of the expressed IL 18 was confirmed by western blotting. The biological activity of the purified protein was analysed for its ability to induce IFN-ÃŽ ³ production in PBMC as measured by Enzyme linked immunosorbent assay (ELISA) and quantitative polymerase cha in reaction (qPCR). IL18 anti FMD viral activity was conformed in vitro in BHK-21 cells by using plaque assay; viral replication was quantified by Real time PCR, ELISA and titration assays. 3. Study of the expression of the constructs in vitro in BHK-21 Cells Expression of cloned P12A3C and IL18 genes were studied in mammalian expression system for confirming the frame and intactness. The P12A3C, IL18 genes cloned under Eukaryotic promoter was transfected in BHK 21 cells with lipid based lipofectamine. Subsequently, the proteins were confirmed by Western blotting by using using anti FMDV serotype ‘Asia’, serum from experimentally infected cattle. IL18 transfected cell lysate showed 18 KDa by using human IL18 Mab. 4. PLG microparticles preparation and characterization The PLG/CTAB micro particles were prepared using a solvent evaporation technique essentially as described previously and briefly, the micro particles were prepared by emulsifying 10ml of a 6% (w/v) polymer solution in methylene chloride with 1ml of TE buffer at high speed using an soniprep. The primary emulsion was then added to 50ml of distilled water containing CTAB (0.5%, w/v). This resulted in the formation of a water/oil/water emulsion which was stirred at 6000rpm for 12h at room temperature, allowing the methylene chloride to evaporate. The resultingmicro particles were washed in distilled water by centrifugation at 10,000 Ãâ€" g and freeze dried. The plasmid construct was adsorbed onto the microparticles by incubating 100 mg of cationic microparticles with 100 mgs (1 mg/ml solution) of plasmid DNA at 40C for 6 h. The coated microparticles were then separated washed with TE and freeze-dried. Amount of plasmid adsorbed on PLG particles was quantified by eluting the DNA by 0.2 N NaOH (incubation for 10 h at 4 0C and measuring the Optical Density (OD) at 260 nm. Blank PLG micro particles controls were run simultaneously to deduct background value. The size distribution of the micro particles was determined using a particle size analyzer and electron microscopy. 5.A. Evaluation of the Immunological response of various DNA vaccine constructs in guinea pigs. Foot and Mouth Disease (FMD) can be controlled by regular vaccination and restricting the movement of animals infected in the endemic countries.. DNA vaccine construct was made with P1-2A3C coding sequences of serotype Asia1 in p C DNA. To evaluate the optimal dose of the construct in guinea pigs, the plasmid was coated on cationic Poly Lacto-co-Glycolide (PLG) micro particles was injected in to guinea pigs at 2,5,10,15,20,30 ug doses intramuscularly. Sera samples collected from the vaccinated animals at 21st dpv were evaluated for immune response by Enzyme linked immunosorbent assay (ELISA), Serum neutralization test (SNT) and MTT assay. Maximum ELISA / SNT titers and MTT stimulation indices were observed at 10  µg dose which also gave 83% protection when the guinea pigs were challenged with homologues virus. 10ug was found to be the optimal dose to guinea pigs. P12A3CpCDNA and bovine IL-18 pcDNA plasmids were constructed under CMV promoter and the coated with Cationic PLG microparticle, immune response of the co administered constructs was evaluated in guinea pigs. Both the plasmids constructed under CMV promoter and 10 µgs each of the plasmids were inoculated intra muscularly in guinea pigs with a booster dose at 21st day post vaccination (dpv). Both humoral and cellular immune response were analysed by IgG1, IgG2 enzyme linked immunosorbent assay (ELISA), Serum neutralization test (SNT) and MTT assay. Th1, Th2 cytokine profile was analysed by real time PCR and the phenotyping of T cell sub population in the peripheral blood was performed by flowcytometry. The results have sown significantly higher humoral and cell mediated immune responses in P12A3CIL18+PLG group than P12A3C IL18, and inactivated virus vaccine inoculated groups. Similarly, higher CD4, CD8 population and Th1, Th2 cytokine levels were seen in former group. P12A3CIL18+PLG vaccine protected all the six animals when challenged with homologous virus compared to five in inactivated virus vaccine group respectively. These results have shown that the plasmid encoding for P12A3C pcDNA when co inoculated with IL18 and PLG induce higher and protective immune responses, suggesting rBoIL-18 and Micro particles has a potential to enhance the efficacy of vaccine against FMD. 5. B Evaluation of the Immunological response of various DNA vaccine constructs in Cattle. Healthy male cattle calves of local breed ( Hallikar Breed) of 6 months to one year age group were purchased from local village shandy( cattle market). These animals were housed in healthy animal shed facilities available at IVRI Animal experimental station at Yelahanka , Bangalore. After initial quarantine the animals were bled and the sera were screened for FMDV antibodies for serotype Asia 1 by SNT. The FMD antibody free animals were divided in to 6 groups of six animals each namely Group I to Group IV. All the group were vaccinated with each construct with 200 ug injected by intramuscularly except conventional vaccine group injected with 2 ml of FMDV Inactivated vaccine. One group kepted for control group (vaccinated with PBS) .After 21 st days of first vaccination with same amount booster dose was injected P12A3CpCDNA and bovine IL-18 pcDNA plasmids were constructed under CMV promoter and the coated with Cationic PLG microparticle, immune response of the co administered constructs was evaluated in guinea pigs. Both the plasmids constructed under CMV promoter and 200 µgs each of the plasmids were inoculated intra muscularly in calves with a booster dose at 21st day post vaccination (dpv). Both humoral and cellular immune response were analysed by IgG1, IgG2 enzyme linked immunosorbent assay (ELISA), Serum neutralization test (SNT) and MTT assay. Th1, Th2 cytokine profile was analysed by real time PCR (ÃŽ ³IFN, IL4, IL2, ÃŽ ±IFN, IL12, IL25,TLR-4,TLR3,TLR-2,IL8,IL10) and the phenotyping of T cell sub population (CD4 and CD8) and intracellular cytokine molecules (ÃŽ ³IFN, IL4, IL2) in the peripheral blood was performed by flowcytometry. The results have sown significantly higher humoral and cell mediated immune responses in P12A3CIL18+PLG group than P12A3C IL18, and inactivated virus va ccine inoculated groups. Similarly, higher CD4, CD8 population and Th1, Th2 cytokine levels were seen in former group. P12A3CIL18+PLG vaccine protected four out of six animals when challenged with homologous virus compared to 3 in inactivated virus vaccine group respectively. Non structural proteins,ELISA conformed in challenged animals.These results have shown that the plasmid encoding for P12A3C pcDNA when co inoculated with IL18 and PLG induce higher and protective immune responses, suggesting rBoIL-18 and Micro particles has a potential to enhance the efficacy of vaccine against FMD Journal papers and conference/seminar papers from Doctoral research work 1. Expression of Bovine (Bos indicus) interleukin-18 inEscherichia coli and its biological activity.Kotla Siva Reddy, Dowlathabad. Muralidhar Rao, Hosur Joyappa Dechamma,Veluvarthy V.S. Suryanarayana and Golla Ramalinga Reddy.Published in Microbiology and Immunology 2010; 54: 564–567. 2. Enhancement of DNA vaccine (P12A3C-pcDNA) efficacy against Foot- andMouth Disease by co-administration of Interleukin-18 expressing (IL18pcDNA) plasmid in Guinea Pigs. Siva Reddy .K. Muralidhar Rao.D., Badrinaryana.M. Suryanaryana.VVS. and Reddy G.R. Accepted in FEMS Immunology and Medical Microbiology. Dec -2010 1–9. 3. Dose optimization of Cationic PLG micro particle coated DNA vaccine against Foot and Mouth Disease in Guinea pigs. Siva Reddy, K.,Rashmi., B.R., Muralidhar Rao, D., Dechamma H.J., Banumathi .N., Suryanarayana V.V.S and Reddy .G.R. accepted in J.of Life science.(Article in press) 4. Cytokine profile studied by Real time PCR in FMDV antigen stimulated Bovine PBMC cells. Siva Reddy .K., Muralidhar Rao,D.,PrabhuDas,K., Suryanaryana.VVS., Reddy ,G.R. Accepted in Journal of Biotechnology , Bio engineering and Bio –Informatics. (Article in press). 5. Bos indicus Interleukin 18 complete coding sequence published in NCBI Gen bank .SivaReddy,K., Muralidhar Rao,D., Dechamma,H., Banumathi,N.,Suryanaryana,V. and Reddy,G. Acc.No. FJ985771 6. Enhancement of DNA vaccine (P12A3C-pcDNA) efficacy against Foot- andMouth Disease by co-administration of Interleukin-18 expressing (IL18pcDNA) plasmid in Guinea Pigs. Siva Reddy .K. Muralidhar Rao.D., Badrinaryana.M. Suryanaryana.VVS. and Reddy G.R. Presented in Society for applied biotech biotechnology (SAB) annual conference at Dharmapuri Dec 17,18 7.Bovine Interleukin -18 inhibits Foot-and-Mouth Disease virus Replication in BHK- 21 cells. K. Siva Reddy, D.Murali Dhar Rao, Kakoli Ahmed, H.J Dechamma N.Bhanumathi ,VVS Suryanarayana ,G.R Reddy presented at VIROCON 2010 XIX National Conference RECENT TRENDS IN VIRAL DISEASE PROBLEMS AND MANAGEMENT SVU Tirupathi, Mar 18-20 ,2010 . 8. Cationic Micro Particle (PLG) coated DNA vaccination Induces a long term immune response and Protective Immunity against Foot –and-Mouth disease virus. K. Siva Reddy, Rashmi Dechamma N.Bhanumathi ,VVS Suryanarayana ,G.R Reddy Presented at VIROCON 2010 XIX National Conference RECENT TRENDS IN VIRAL DISEASE PROBLEMS AND MANAGEMENT SVU Tirupathi, Mar 18-20 ,2010. 9. Dose response studies of ID- p VAC (SECRETORY VECTOR CONSTRUCT) coated on cationic PLG micro particles against FMDV in guinea pigs. Siva Reddy K., Reddy G.R. Presented at SBC Annual conference Impact of Basic and Translational Research on Medicine, Agriculture and Industry, IIT Madras 18-20 DEC -2008. Communicated Articles 1. Cationic Micro Particle (PLG) coated DNA vaccination induces a long term immune response and Protective Immunity against FMD in GuineaPigs. Siva Reddy ,K ., MuraliDhar Rao,D.,Rashmi, B.R., Dechamma H,J., Banumathi.,N., Suryanarayana V.V.S and Reddy G.R Communicated in to Vet Immunology and Immunopathology(Under review). 2. Bovine Interleukin 18 inhibits Foot and mouth disease virus replication in BHK-21 Cells. K. Siva Reddy, D.MuraliDhar Rao, K.PrabhuDas, VVS Suryanarayana,G.R Reddy communicated in to Biotechnology and Applied Biochemistry. 3. Enhanced efficacy of a Foot and mouth disease DNA vaccine (P12A3CpcDNA) by adsorption onto cationic PLG microparticle in guinea pigs .K. Siva Reddy, D.MuraliDhar Rao, K.PrabhuDas, VVS Suryanarayana ,G.R Reddy communicated into International journal of Immunopharmacology.

Wednesday, September 4, 2019

Comparing A Midsummers Nights Dream, King Richard II, and King Lear :: comparison compare contrast essays

Relation between Nature and Man in A Midsummer's Night's Dream, King Richard II, and King Lear  Ã‚        Ã‚  Ã‚   A Midsummer's Night's Dream, King Richard II, and King Lear all represent different philosophies people hold regarding the phenomenon of their lives. The relationships between humans and outside forces differ between the plays too. A Midsummer's Night's Dream emphasizes natures part in human life. It is seen as the driving force for everything good and bad. Divine decree is the emphasis in King Richard II. The characters all seem to have a general acceptance of outcomes as what the gods wanted. Lastly, King Lear has man viewing nature as destructive and angry. He wants to control nature's fury and decide for himself what should be acceptable and legitimate. While none of these philosophies can be labeled as "wrong" or "right", each does have valid support within the given play.    The first play, A Midsummer's Night's Dream has a lot of nature metaphor is in families. The very first conversation in it has a king blaming the moon and night time for his not being able to marry. Theseus wanted to marry Hippolita right away but four moonshines were delaying him. Another example comes from Lysander. He saw roses in Hermia's cheeks and rain falling from her unhappy eyes. When Lysander wakes up and sees Helena, He decides he wants her instead of Hermia. He says, " things growing are not ripe until their season . . . [which] leads me to your eyes" (MND II, 2,100-110). He compares himself to unripe fruit or something that has not reached its final or mature stage in growth. Lysander said that he only fancied Hermia because he was young and naà ¯ve but now that he was "ripe", he wanted Helena. This is a parallel made by Lysander to nature. Not only did he believe that nature controlled all actions but he truly believed everything followed the same life pattern. Later, Lysander is confronted by Hermia and he compares her to terrible things like animals and serpents because he no longer saw her as his love but as someone he outgrew. This reference shows a part of life that is not wonderful and pretty but loathsome and dirty.    Nature is obviously a very big part in the play too because of the continual reference and almost constant presence of the fairy King Oberon and his Queen Titania.

Tuesday, September 3, 2019

Essay --

From the years of 1853 to 1868, the people of Japan experienced major changes in all aspects of their lives. This era, known as the Bakumatsu signified Japan’s change from the traditional Edo period to a modernized Meiji dynasty. This change can be attributed to an American naval officer by the name Matthew Calbrath Perry whom ultimately changed the complexity of Japanese culture. In the eyes of an American, Commodore Perry is seen as one of the greatest influential figures in international history. However, what most people don’t understand is how the very own citizens of Japan perceived Commodore Perry. There are many ways in which, the Japanese may have perceived Perry. However, a fascinating aspect to think about is if he was perceived as a hero or a villain. In order to think about if Commodore Perry was considered a hero or a villain, it’s important to consider what qualities are involved in these antonymous figures. Villains violate accepted moral principles to complete their goals, they have a way of making things bend to their own will, and they lead a life of secrets and a...

Monday, September 2, 2019

Revisiting Childhood in The Lion, The Witch and the Wardrobe :: Lion Witch and the Wardrobe Essays

Revisiting Childhood in The Lion, The Witch and the Wardrobe    When I was young, it was hard to understand the bigger picture. I knew not what I did; I only acted. Aggressive action came spontaneously, and in rapid response to whatever situation befell me. I frequently fought and argued with my brothers. While we were good around other people, at home, my brothers and I were not pleasant to deal with. At the time, it was impossible for me to foretell the ramifications of my mother. It was not until much later before I realized the gift that my mom had managed to give my brothers and me in her remarkable grace under the pressures. She was taking on four pre-teenaged boys on a hectic schedule, while juggling a part-time job and continuing college level education.      Ã‚  Ã‚  Ã‚  Ã‚   I was no more than ten years old when my mother began reading to us. It was a difficult enough undertaking, shuffling us between our father's house and hers and the many extracurricular activities involved with bringing up four young men. Somehow, three or four days a week, she enticed us all to sit down before bedtime for the retelling of a classic story. We started out with the first book in the Chronicles of Narnia series by author C. S. Lewis, titled The Lion, The Witch, and the Wardrobe.      Ã‚  Ã‚  Ã‚  Ã‚   In this fairy tale, a magical lion returns to the mysterious land of Narnia in a quest to put an end to the evil reign of the wicked White Witch. The story simply captivated my younger brothers and me. The strange part was that it was never about the animals that talked, the fauns, unicorns, giants, dwarfs, wolves, centaurs, beavers, and birds. Truthfully, I did not remember much about a witch in the story, much less the existence of a lion. I did not recall any morals, messages, or even a plotline. What struck me most was part of the tale that engulfed the four siblings in the adventure of their lifetime. A few times a week, my brothers and I followed Peter, Susan, Edmund, and Lucy into the enchanted wardrobe and through to the other side. As we circled around my mother in our living room, we were careful, just as Peter was, in closing the door.

Sunday, September 1, 2019

Nurture Influence Early Human Development

Early human development is a very important process in implicating the chain of infant’s future. Therefore, there are two most important process; first one is â€Å"Nature† i. e. Heredity and second one is â€Å"Nurture† i. e. Environment. For saying, the 17th century British Highbrow John Locke, the knowledge comes to adults who arrived in the newly world through their senses. The newborn infant are have their brain as a â€Å"Blank Slate†, that can be changed and turn into any kind in future by Locke. That’s filling for their experience on the way he/she hear, taste, identify, and sense.So I believe that human development is inherited, but it can be made more concise that nurture plays most important role then nature. Therefore these essays outline the influences of nurture on early human development that means of training, family background, society and environmental factor. It can be argued that nature influence early human development. Accordin g to Charis Darwin, he emphasised that human development is inherited and genetically program. Many researchers agree, but; not only that ‘nature’ and ‘nurture’ playing important roles in human life.Than that they combine continuously to key development. Example: The developments of every character such as poignant stability appear to be manipulating to be like heredity and upbringing. In addition, some behaviourist such as Watson and Skinner are also believed that a newborn baby can be qualified into any professional type; it might be doctors, sport persons, and pilots etc. Regardless of his/her ability and talent. The motor development is based on a fill children metro born has goes through the same cycle at the different period in a life.The recent studies by (Dennis & Dennis and Gesell & Thompson) indicate that practice can be accelerating that appearance to their behaviour. For example: The newborn baby learn to walk which is called as stepping reflex; if we keep a baby’s feet on the floor he/she will walk by placing one foot in front of the other. This is not really walking but it’s a step of learning. Where he/she can walk early in their life, by practice for a few minute every day during the first ten week they short. So they learn early than other babies who had not practice.Therefore learning, training or experience plays an important role in the early human development. The other influences are the family and society where they live and brought up in their life. The children who are living in a family or society which has a good education system. Where child gets proper care and batter livelihood and seem to be learn & speak early. The newborn baby can as well differentiate between the similar. Such as the tones this is analogous meaning (Bridger 1961). He say that the noise that infant have the sense of hearing from there foreigner language beginning their family.For example: A baby after one or two months ca n notify the difference between parallel sounds such as ‘pa’ and ‘ba’. So one year child will picked up in enough information about verbal communication. That it will have also begun to â€Å"Screen out† sound it does not use (kuhl et al. , 1992). The latter is the environmental measures to be strong-minded in the untimely human expansion. The personal characteristics are determined by the genetic structure of the work. Take it as parent’s genes, so that the infant can grow that skin, eyes, hair and general body size could be also same.This genetic outcome is expressed in development through the process of physical or mental progression changes. For example: the developing infants develop within the mother’s body. During pregnancy, such as an infant turn around and kick which also follows depend on the growth. In other hand, the environment is serious or else abnormal in some other hand, than the processes can be disrupted. That’ s like, if the fetus causes a problem during the first eight months at the pregnancy. The infant may be born. Their eyes are blind, deft or brain –damaged. It’s depending on the stage of development at the time of infection.The other physical factors such as consumption of drugs and alcohol can be affecting the fetus. These are the environmental factors that will be affected the early human development. In conclusion, nurture and nature influence early human development. That children can became kind of adult by receiving proper care, training and experience. It is also depend upon the family and society in the way to speak and learn. And at the last the environment factors that effect by mentally and physically in early life of newborn baby. So this essay outline the nurture strongly influence early human development.