Tuesday, December 31, 2019
Romantic Period of Literature in America Essay - 949 Words
Beginning early in the 17th century, American authors and poets alike began the great shift in writing now known as the romantic period. This movement in literature has many influences, themes, and writing styles that can be highlighted with important works and authors. A promising frontier, new cultures brought by immigration, and a search for spiritual answers were all key influences in bringing about the romantic movement. Themes of the romantic period include nature as a refuge, high imagination, and emotional intensity. All of these influences and themes culminate in many different forms of literature including poem, short story, and essay. A drastic shift from the Puritan and Quaker writings of the colonial period in Americanâ⬠¦show more contentâ⬠¦One of the largest and most popular themes in the romantic period was nature and its magnificence. Authors and dreamers loved the idea of delving into nature, getting lost in Godââ¬â¢s creation, and emerging a changed person. ââ¬Å"Nature,â⬠a philosophic piece by Ralph Waldo Emerson, turns a purely academic essay into a romantic account of nature and her wonders. Emerson writes that ââ¬Å"the sun illuminates only the eye of the man, but shines into the eye and the heart of the child,â⬠and that ââ¬Å"nature never wears a mean appearance,â⬠suggesting that the grown man has much to fear and learn from nature. Emerson concludes by saying he is a ââ¬Å"lover of uncontained and immortal beauty,â⬠perfectly summarizing the view many romantic authors held. The romantic period of literature saw an enormous spike in the amount of imaginative writing, as exemplified by Washington Irvingââ¬â¢s romantic-inspired story, ââ¬Å"The Devil and Tom Walker.â⬠In his satire, Irving includes many creative components. The author first sets a beautiful scene with descriptive writing and imagery, then brings in humorous components as the protagonists are revealed to be even greed ier than the devil himself. Such writing would not have been put to paper in the colonial period. Another important theme was emotional intensity, suggested by the name ââ¬Å"romantic periodâ⬠itself. ââ¬Å"The Pit and the Pendulumâ⬠by Edgar Allen Poe is fullShow MoreRelatedRomanticism s Impact On America Essay1374 Words à |à 6 PagesImpact on America The period of Romanticism, occurring between the years 1800 and 1860, left a significant impact on not only the literature of that time, but the literature of today as well. Prior to romantic writings, the world focused on society and logic. Romanticism allowed people to start valuing individualism and to appeal to emotional responses. This new way of thinking brought new literary styles, themes, and genres that were never explored before and are still found today. The literature of RomanticismRead MoreRomanticism s Impact On America Essay1376 Words à |à 6 Pageson America The period of Romanticism, occurring between the years 1800 and 1860, left a significant impact on not only the literature of that time, but the literature of today as well. Prior to romantic writings, the world focused on society and logic. Romanticism allowed people to start valuing individualism and to appeal to emotional responses. This new way of thinking brought new literary styles, themes, and genres that were never explored before and are still found today. The literature of RomanticismRead MoreRomanticism : The Age Of Reason1210 Words à |à 5 Pagesfine arts and literature that focuses on passion imagination and intuition rather than emphasizing on reason and logic. There are no restraints or order in Romanticism; complete spontaneous actions are welcome in this style of writing. Romanticism, or also known as the ââ¬Å"The Romantic Periodâ⬠, refers to the cultural movements that occurred in England, Europe, and America from 1770 to the 1860s. In this literary period, romantic writers saw themselves revolting against another period called the ââ¬Å"AgeRead MoreThe New American Literature : The Period Of Romanticism Essay1265 Words à |à 6 PagesThe New American Literature The period of Romanticism, occurring between the years 1800 and 1860, left a significant impact on not only the literature of that time, but the literature of today as well. Prior to romantic writings, the world focused on society and logic. Romanticism allowed people to start valuing individualism and to appeal to emotional responses. This new way of thinking brought new literary styles, themes, and genres that were never explored before and are still found today. TheRead MoreThere have been many movements in Romantic Literature, Romanticism being one. Despite the idea that600 Words à |à 3 Pagesbeen many movements in Romantic Literature, Romanticism being one. Despite the idea that romanticism is an outdated literary form, romantic literature is very important to English Literature; no other period in English Literature shows the type of style, theme, or contain information like how the Romantic movement was. Romanticism was virtually around in every country of the US, Europe, L atin America and it lasted from 1750-1870. Romanticism gave a rise to a new type of literature it was an exerciseRead MoreThe Fire Side Poets from the Romantic Period of Literature Appreciate Nature586 Words à |à 3 PagesThe Romantic period in American Literature dates from 1800-1860. It was a time where people were trying to find a distinctive voice. The Romantic period included letters, poems, essays, books, and art. Most of the authors focused on feelings, which is why its called the ââ¬Å"Romanticâ⬠period. The authors can be put into four different groups, The fire side poets, The Transcendentalist, American Gothic, and The Early Romantics. The fire side authors had an appreciation for nature. Poems were readRead More Ages of Faith, Reason, and Romantics Essay880 Words à |à 4 Pages Reason, and Romantics Works Cited Missing The first three time periods in American literature had distinguishing characteristics in their subject matter and writing styles. Puritans wrote about their religious beliefs and daily life during the Age of Faith. During the Age of Reason, the Revolutionary War was going on and much of the writings were political documents as a result of the war. The Age of Romantics brought about the first fictional writings. The three time periods, which have uniqueRead MoreThe Scarlet Letter By Nathaniel Hawthorne960 Words à |à 4 Pagesthread that runs through this novel is Hawthorneââ¬â¢s apparent understanding of the beliefs and culture of the Puritans in America at that time. But Hawthorne is writing about events in a society that existed 200 years before he wrote his story. In this way, Hawthorne has possibly altered or romanticized a view of the life, beliefs and behavior of the Puritans who first settled in America (2, 3). We accept that authors will use their characters to express their beliefs, and in telling a story, the charactersRead MoreDefining Characteristics of the Medieval, Renaissance, Neoclassical, and Romantic Period 987 Words à |à 4 PagesMedieval Period After the classical period the structure of society was a mess. After the trojan war the Medieval period was the one to bring in the more civilized society. Having a more civilized structure brought in new ideas and a more structured government. The base of the Medieval period was Italian scholars and academics on the base of academics was only making slow progress across the world. The most horrific event of the Medieval period would be the Dark Ages. In the article Dark Ages theRead MoreDark Romanticism1392 Words à |à 6 PagesAccount for the rise of this kind of writing in America and evaluate its appeal and significance then and now. The Dark Side of Romanticism Romantic literary texts focus on the expression of emotion. Authors during the Romantic period developed and integrated the idea of the individual being the main focus in life. Romantic authors focused on the individual being at the center of their own happiness and destiny and evil dwelling outside mankind. Dark Romantics believed that evil is not only found in nature
Sunday, December 22, 2019
Theory of Cognitive Development and Children - 1466 Words
Piaget s Theory of Cognitive Development Jean Piaget was born on August9, 1896, in the French speaking part of Switzerland. At an early age he developed an interest in biology, and by the time he had graduated from high school he had already published a number of papers. After marrying in 1923, he had three children, whom he studied from infancy. Piaget is best known for organizing cognitive development into a series of stages- the levels of development corresponding too infancy, childhood, and adolescence. These four stages are labeled the Sensorimotor stage, which occurs from birth to age two, (children experience through their senses), the Preoporational stage, which occurs from ages two to six, (motor skills areâ⬠¦show more contentâ⬠¦Young children seem to abide by the old saying, Out of sight, out of mind. In Piaget s view, for a child to be able to shift from using herself as the only frame of reference to seeing things from another perspective, the child must decenter, which may not occur until the child is about six years old. As a child enters the Concrete Operational stage, they will gain the skills that will allow them to think logically. As Meryl approaches age five, her cognitive skills are developing, and she is beginning to take into account the views of people other than herself. There has been recent research on examining how children understand the thought and feelings of others. There is a theoretical notion known as theory of mind, which means a set of ideas that explain other people s ideas, beliefs, desires, and behavior. (Bee and Boyd 159). Research indicates that adolescents and adults have a much more fully developed theory of mind than children do. Understanding the thoughts and feelings of others is a complicated matter, that continues to develop possibly over a lifetime. In my preschool classroom, there are often arguments over possessions. For example: Child A builds a tower with the wooden blocks. Child B walks over and takes the top block off of Child A s tower. Child A becomes upset saying, He tookShow MoreRelatedTheory of Cognitive Development and Children1854 Words à |à 8 PagesDiscuss the concept of ââ¬Ëconstructivismââ¬â¢ (from Piagetââ¬â¢s theory of cognitive development). Use a mix of theory and research to back up your ideas about whether or not the child constructs his/her own development. The understanding of how children comprehend the world around them has been a highly researched part of cognitive development in Psychology. Jean Piaget was one of the first researchers to develop a theory suggesting that children understand the world around them by actively seeking informationRead MoreTheories on Human Learning and Cognitive Development in Young Children755 Words à |à 4 PagesLearning is the keystone to American society. It has brought society trough times of economic darkness, religious revival and social instability. Learning has always been debated in the context of when does the learning start in human development, Is learning the result of nature taking its course as was argued by rationalist like Plato and Rene Descartes. According to (BeeBoyd, 2007) Rationalist view point on education is entrenched in the idea that ( ââ¬Å"knowledge is inbornâ⬠). On the other end ofRead MoreChildren s Appearance Rigidity And Cognitive Theories Of Gender Development11 10 Words à |à 5 PagesElizabeth Meyer PSYC 232 05 A. May Ling Halim and Diane N. Ruble, 2013, Pink Frilly Dresses and the Avoidance of all things ââ¬Ëgirlyââ¬â¢: Childrenââ¬â¢s Appearance Rigidity and Cognitive Theories of Gender Development, Developmental Psychology Vol 50 (4) pp.1091-1101 B. I chose this article because I found it to be a subject I could relate to. Growing up with a sister a younger than me, and a brother a year younger than her I distinctly remember all of us going through stages of being extremely picky aboutRead MoreJean Piaget And Vygotsky s Theory On Children s Cognitive Development1507 Words à |à 7 Pageshave shared their knowledge on childrenââ¬â¢s cognitive development. Both psychologists had their own vision of what stimulates and helps a child grow. Jean Piaget s theory was shaped through the thinking and understanding of how knowledge is built through a series of four stages; preoperational, sensorimotor, formal operational and concrete operational. He believed that the development was with the child themselves. On the contrary, Lev Vygotsky s theory is shaped through adult social interactionsRead MorePiaget s Stage Theory Account For Children s Cognitive Development1759 Words à |à 8 Pageswell does Piagetââ¬â¢s stage theory acc ount for childrenââ¬â¢s cognitive development? Intro Piaget believed there were four stages in a childââ¬â¢s cognitive development and sub stages within these stages. These stages have been the object of debate since Piaget introduced them and are still continuously debated. All of the stages are very concrete and large scale. They donââ¬â¢t account for children at a particular age who are behind or ahead. Piaget underestimated the capability of children to do particular thingsRead MoreCompare and contrast Piagetââ¬Å¡Ãâà ´s and Vygotskyââ¬Å¡Ãâà ´s theories of cognitive development in children1274 Words à |à 6 PagesVygotskyââ¬â¢s theories of cognitive development in children. This essay will compare Piagetââ¬â¢s and Vygotskyââ¬â¢s theories of cognitive development in children. Also, show the differences between the two psychologistââ¬â¢s theories. Thus, by showing their similarities like in language and adaptation theories. Further, differences like Piagetââ¬â¢s theory on cognitive developmental stages and the schemas which are build to learn or accommodate new words or things. Vygostkyââ¬â¢s theory differs to Piagetââ¬â¢s theory by hisRead MoreHow Does Piaget s Stage Theory Account For Children s Cognitive Development?1576 Words à |à 7 PagesHow does Piagetââ¬â¢s stage theory account for childrenââ¬â¢s cognitive development? Jean Piaget (1896-1980) had a stage theory about cognitive development and how it works with children. There are 4 stages to this theory; sensorimotor, preoperational, concrete operational and formal operational. Piaget emphasised that they occur in this order. (Smith, Cowie, Blades, 2015, p. 446). He considered the fact that the way childââ¬â¢s mind develops, intellectually, is a continuous process of Assimilation and AccommodationRead MoreVygotsky s Theory And Development Of Higher Mental Functions898 Words à |à 4 PagesIn Vygotskyââ¬â¢s theory, children have two basic kinds of functions or mental processes that Vygotsky entitled lower mental functions, and higher mental functions. Lower mental functions are defined as their natural way of learning or innate ways that one would respond to their environment. Higher mental functions are defined as a more complex way of thinking or processing. In Vygotskyââ¬â¢s view, the potential for acquiring lower mental functions is b iologically built in, but society and culture are criticalRead MorePiaget vs. Vygotsky1120 Words à |à 5 PagesThe theory of cognitive development is defined as the development of the ability to think and reason. There are many theorists who have studied cognitive theories and the most famous is Jean Piaget. Cognitive development covers the physical and emotional stages of a child. The basic premise for cognitive development is to show the different stages of the development of a child so you can understand where the child might be in their development. Understanding cognitive development will betterRead MoreSocio Cultural Theory And Piaget s Cognitive Development Theory1493 Words à |à 6 PagesThe two theorists that I have chosen to compare are Vygotsky for his work on the socio-cultural theory and Piagetââ¬â¢s Cognitive Development theory. The socio-cultural theory focuses on how norms, culture, beliefs and values are passed onto the next generation in a society (Berk, 2007). Piaget was the first psychologist to study cognitive development and described his work as genetic epistemology. He was concerned with how essential concepts such as the idea of time, numbers, justice etc. arose (Siegler
Saturday, December 14, 2019
Microbiological routes for the production Free Essays
string(24) " forthing strains of P\." Microbiological Paths For The Production Of Pharmaceutical Products. Introduction Microbiological Aspects Of Penicillin Recent publications and primary literature suggest that penicillin is an first-class curative agent which increases its demand for clinical application and chemical surveies. Microbiological production, chemical purification and isolation are major jobs associated with its usage. We will write a custom essay sample on Microbiological routes for the production or any similar topic only for you Order Now Penicillin is produced by Penicillium notatum in really infinitesimal measures and its civilizations were investigated for big scale production of penicillin. Cultures of P.notatum tend to spontaneously lose their penicillin-producing ability due to physiological or biochemical devolution. Penicillin activity straight depends upon the nature of strain. It is critical to choose strains of highest authority for maximal penicillin activity. All the strains are different from each other in their penicillin-forming ability. 1. Penicillin production in Penicillium Chrysogenum. Biosynthesis of lysine and Penicillin in Penicillium chrysogenum is regulated by ramifying point intermediate ?-aminoadipate. In penicillin tract, it is condensed with L-valine and L-cysteine to organize tripeptide by ACV synthetase. The internal ?-aminoadipate pool plays a critical function in lysine and penicillin biogenesis. The break of lys2 cistron directs the pool towards penicillin biogenesis ensuing in penicillin over-production. The targeted break was carried out by utilizing two different techniques and their consequence on penicillin production was studied. P.chrysogenum Wis 54-1255 ( low-level penicillin-producing strain ) and P.chrysogenum pyrG1 mutant strains were used in transmutation experiments. P. Chrysogenum L2, a lysine auxotroph was used as a control. Spores of P.chrysogenum were collected from home bases of power medium after holding grown for 5 yearss at 28à °C. Two plasmids pDL1 and pDL7 which differed in selectable marker and size of DNA part homologous to a im were selected for break of lys2 by a individual crossing over. pDL1 includes ble ( phleomycin opposition ) cistron while pDL7 contains pyrG cistron as a selectable marker. Out of 495 transformants tested, 2 lysine auxotrophs ringers ( TD7-88 and TD7-115 ) were obtained. Both were unable to turn in Czapek medium supplemented with ?-aminoadipic acid while P.chrysogenum L2 ( command strain ) grew. These consequences proved that lys2 cistron is disrupted in TD7-88 and TD7-115 strains. Two plasmids pDL2 and pDL10 were constructed for break of lys2 cistron by dual recombination. Out of 964 transformants tested, merely one lysine auxotroph ( TD10-195 ) was obtained which was unable to turn in ?-aminoadipic acid supplemented Czapek medium. Transformants TD10-195 and TD7-115 were more stable without any reversion rate as compared to TD7-88 with really low degree of stableness. Although the growing of transformants were slower than parental strain in defined medium incorporating 4.0 Mm lys ine, the penicillin degrees were double from those observed in parental strain at 96, 120, and 144 H and threefold higher at 168 H. 2. Penicillin Production by Fungi turning on nutrient merchandises. Many fungous species widely used as commercial starting motors such as P.nalgiovense, P.chrysogenum, P. Verrucosum, P.griseofulvum and P.roqueforti were used to analyse the production of penicillin while turning on nutrient merchandises and presence of penicillin biosynthetic cistrons in Fungi of genus Penicillium. The synthesis of toxic compounds might besides be secreted to nutrient merchandises. All the strains were screened utilizing bio-assaies in both solid and liquid medium with Micrococcus luteus ATCC 9341 as a trial strain to observe penicillin production. Antibacterial activity was found in P.chrysogenum, P.griseofulvum NRRl 2300 and P.nalgiovense. ?-lactamase signifier Bacillus Cereus UL1 was used to prove whether the antibacterial activity was due to penicillin or other substance. Result indicate that antibacterial activity can be attributed to ?-lactam antibiotic penicillin. Agitation of liquid submerged civilizations of P.griseofulvam was carried out to corroborate peni cillin production which proved that P.griseofulvam strain NRRL 2300 had highest production degree. Southern smudge analysis was used to analyze the presence of penicillin biosynthetic cistrons. The presence of penicillin cistron bunch in P.griseofulvum proved that the antibacterial activity observed is due to penicillin. P.griseofulvum which is a possible beginning of penicillin in nutrient merchandises can be often isolated from maize, barley, wheat, flour etc. In instance of P. Verrucosum, the antibacterial activity observed was due to either patulin or penicilic acid as it contains merely one cistron of penicillin cistron bunch. Both patulin or penicilic acid are secondary metabolites produced by different strains of Fungi. In order to obtain safe and high quality nutrient merchandises, antibiotic and toxin production by nutrient micro-organisms should be analysed and studied in item. It besides helps to bring forth modified strains in which the synthesis of toxic compounds can b e eliminated without losing their food-ripening and flavorer belongingss. 3. Production of penicillin in methylotropic barm Hansenula polymorpha. -lactam antibiotics such as penicillin and Mefoxins are largest selling antibiotics against bacterial infections. Industrially, penicillin and Mefoxins are produced by filiform Fungis Penicillium.chrysogenum and Acremonium chrysogenum severally. The chief purpose was to present penicillin biogenesis tract into yeast Hansenula polymorpha as it is more various, easy to manage and cultivate with superior agitation belongingss as compared to filiform Fungis. In penicillin tract, peptide synthetase ?-L-cysteinyl-D-valine synthetase signifiers tripeptide ACV. It is converted into isopenicillin N ( IPN ) by enzyme isopenicillin N synthase ( IPNS ) . The pcbC cistron which encodes IPNS was cloned in H.polymorpha intoxicant oxidase booster in pHIPX4 and integrated at PAOX venue in H.polymorpha genome. A strain ( IPNS 4.2 ) incorporating pcbC look cassette was cultivated at 37à °C on methyl alcohol medium to bring on PAOX. Wild type H.polymorpha serves as control strain. Aliquots were taken a t regular clip intervals to analyze IPNS protein. Western smudges prepared utilizing rough infusions of H.polymorpha and P.chrysogenum revealed that strain IPNS 4.2 produces an ?-IPNS specific protein. IPNS was produced at all growing temperatures in strain IPNS 4.2. In stationary growing stage, comparatively low IPNS protein degrees were observed in cells grown at 37à °C. It was assumed that hapless or slow folding of protein at high temperature can be an intrinsic factor. However, IPNS protein was to the full stable and its degree was significantly enhanced at 25à °C if compared to its production at 37à °C and 30à °C.The sum is comparable to highest penicillin bring forthing strains of P. You read "Microbiological routes for the production" in category "Essay examples"Chrysogenum. Results indicate that penicillin production in heterologus barm was merely successful at decreased growing temperatures. As yeast genome does non encode non ââ¬â ribosomal peptide synthetases suc h as ACVs, the following measure will be to infix functionally active ACVS in heterologus host in order to present full penicillin biogenesis tract in H.polymorpha. 4. Penicillin production in surface civilizations of P.notatum. Two-liter Erlrnmeyer flasks incorporating czapek-Dox medium were inoculated with P.notatum and incubated at 25à °C. It was tested for antibacterial activity against Staphylococcus aureus in alimentary stock by ordinary dilution methods. The pH of the medium fell from 6.5 to 3.0-4.0 and remained low throughout. Neutralized samples showed high antibacterial activity and batches runing from 10 to 100 liters were extracted with amyl ethanoate at pH 2. It was assumed that penicillin in these civilizations existed in non-extractable signifier. The pellicles were thin, without furrows or spores, and liquid with swoon xanthous touch. The antibacterial activity was extractible at pH 2 with organic dissolvers when the medium was supplemented with yeast infusion, brain-heart extract. In brown sugar medium ( dark brown sugar, 2 per cent ; NaNO3, 0.35 ; MgSO4.7 H20, 0.05 ; KCI, 0.05, KH2PO4, 0.15 ; FeSO4.7H20, 0.015 ) growing is more rapid and abundant accompanied by intense xanthous pigmentatio n ( chrysogenin ) as compared to czapek-Dox medium. The sourness falls in early phases from pH 5.5 to 4.5 and so rises to 8.0. Penicillin started roll uping on 5th twenty-four hours with upper limit on the eleventh to the 13th twenty-four hours. Maximum penicillin activity appeared after maximal growing was attained. All the sugar was consumed before maximal penicillin was accumulated. 5. Penicillin production in submersed civilizations of P.notatum. Experiments with submersed civilizations were conducted on machines agitating at rate of 60 to 90rpm, with maximal growing observed over a period of 6 to 10 yearss at 25à °C. Brown sugar medium was distributed in 80-ml measures in 250-ml Erlenmeyer flasks and inoculated with a spore suspension of P.notatum, strain 832. The flasks were incubated at 25à °C on a shaking machine. Growth commenced on the 2nd twenty-four hours with maximal growing appeared as little unit of ammunition pellets of mycelium. Penicillin started roll uping on 3rd or 4th twenty-four hours and reached its maximal value ( 20 to 30 oxford units per milliliter ) on 7th or 8th twenty-four hours. Organic fraction in brown sugar is responsible for penicillin-promoting capacity. Zinc besides had a catalyzing consequence. The shingle or submersed civilization technique provides better aeration as compared to come up civilization. By turning P.notatum strains in shake civilization, variable factors of diffusion and pell icle formation are eliminated, while growing and metabolic procedures are accelerated. Care of an equal O supply is indispensable in the penicillin production in submersed civilizations of P.notatum. 6. Aculeacin A Acylase as an industrial biocatalyst for production of penicillin Aculeacin A Acylase ( AuAAC ) from Actinoplanes utahensis NRRL 12052 catalyzes hydrolyses of acyl medieties of fungicidal antibiotics. As AuAAC was similar to ? -lactam acylase, it was investigated whether AuAAC would act as new ? -lactam acylase. An engineered aac cistron was made and cloned into look vector pEM4. The cistron was amplified by PCR utilizing chromosomal Deoxyribonucleic acid from A. utahensis NRRL 12052. Primers were designed harmonizing to the DNA sequence of aac cistron. Purified PCR merchandises were digested with XbaI and EcoRI endonuclease and cloned into pEM4 vector. The ensuing plasmid was so introduced in S.lividans 1326. The AuAAC output was 21-fold higher in recombinant strain produced by S. Lividans ( pEAAC ) as compared to A.utahensis. Its pureness was determined by Na dodecyl sulphate-polyacrylamide gel cataphoresis. The thermic stableness was studied by pre-incubating AAC for 20 min at different temperatures. It was stable up to 50à °C and so reduced at higher temperature. It was determined that purified recombinant AuAAC is able to hydrolyse penicillin V. The kinetic parametric quantities for hydrolyses of different natural ?-lactam antibiotics were determined to analyze hydrolytic specificity of recombinant AuAAC. The pure recombinant enzyme was incubated with increasing concentrations of penicillins ( V, K, F, dihydroF, and G ) in 100 mM K phosphate buffer, pH 8.0 at 45à °C for 15 min in 100 à µl. AuAAC shows the same substrate specificity if compared to penicillin V acylase on natural penicillins. Penicillin K was best substrate for which AuAAC shows highest biomolecular changeless value of 34.79 mM-1 s-1. Result suggest that AuAAC from A.utahensis should be considered as new subfamily of ?-lactam acylases and it should besides be considered as an industrial biocatalyst for production of man-made penicillins. Mentions 1. Finch, R. G. , Greenwood, D. , Norrby, S. R. A ; Whitley, R. J. ( 2003 ) . Antibiotic and Chemotherapy. Anti-infective agents and their usage in therapy. ( 8th ed. ) . New York: Churchill Livingstone. 2. Hutter, R. , Leisinger, T. , Nuesch, J. A ; Wehrli, W. ( 1978 ) . Antibiotics and Other Secondary Metabolites: Biosynthesis and Production. New York: Academic Press. 3. Flynn, E. H. ( 1972 ) . Cephalosporins and Penicillins.Chemistry and Biology. New York: Academic Press. 4. Casqueiro, J. , Gutierrez, S. , Banuelos, O. , Hijarrubia, M. J. A ; Martin, J. F. ( 1999 ) . Gene Targeting in Penicillium chrysogenum: Break of the lys 2 Gene Leads to Penicillin Overproduction. Journal of Bacteriology, 181 ( 4 ) , 1181-1188. 5. Laich, F. , Fierro, F. A ; Martin, J. F. ( 2002 ) . Production of Penicillin by Fungi Turning on Food Merchandises: Designation of a complete Penicillin Gene Cluster in Penicillium griseofulvum and a Truncated Cluster in Penicillium verrucosum. Applied and Environmental Microbiology, 68 ( 3 ) , 1211-1219. 6. Gidijala, L. , Bovenberg R. , Klaassen, P. , Van der Klei, I. J. , Veenhuis, M. A ; Kiel, J.A. ( 2008 ) . Production of functionally active Penicillium chrysogenum isopenicillin N synthase in the barm Hansenula polymorpha. BMC Biotechnology,29 ( 8 ) , 1472-6750. 7. Torres-Bacete, J. , Hormigo, D. , Stuart, M. , Arroyo, M. , Torres, P. , Castillon, M.P. , et Al. ( 2007 ) . Newly Discovered Penicillin Acylase Activity of Aculeacin A Acylase from Actinoplanes utahensis. Applied and Environmental Microbiology,73 ( 16 ) 5378-5381. 8. Sprote, P. , Brakhage, A. A. A ; Hynes, M. J. ( 2009 ) . Contribution of Peroxisomes to Penicillin Biosynthesis in Aspergillus nidulans. Eukaryotic Cell, 8 ( 3 ) , 421-423. How to cite Microbiological routes for the production, Essay examples
Friday, December 6, 2019
Effects Of A Change In Price Of Coffee â⬠MyAssignmenthelp.com
Question: Discuss about the Effects Of A Change In Price Of Coffee. Answer: Introduction The indifference curve can be defined as the curve showing all the combinations of two commodities, which give the same level of utility or satisfaction to the consumer, in a two-commodity economy. The budget line, on the other hand, shows the consumers ability to buy different combinations of two commodities. The equilibrium occurs at the point, where the indifference curve of a consumer touches his budget line. In this essay, using this approach the effects of a change in price of coffee, on the quantity demanded of coffee and pastries, by a particular consumer, is tried to be analyzed, assuming that both the commodities are normal goods (Rader, 2014). Effects of increase in the price of coffee In the given problem, it is assumed that the consumer spends his entire income on the consumption of coffee and pastries, both of which are normal goods, which mean with the increase in price the demand for these commodities decrease and vice versa. When there is a considerable increase in the price of coffee, the effect of the increase in price on the quantity demanded of both the goods can be divided into two parts, the income effect and the substitution effect (Rios, McConnell Brue, 2013). The income effect shows the change in consumption of the consumer due to an increase in the price of a commodity, which decreases the purchasing power of the consumer. On the other hand the substitution effect shows the change in the consumption of the commodities that happens due to the change in the relative prices of the two commodities following the hike in the price of one commodity. In the concerned case, coffee being a normal commodity, with the increase in the price of coffee, the relative price of coffee also increases and the overall purchasing power of the consumer also decreases, the effects of which are shown as follows: Figure 1: Effects of increase in the price of coffee (Source: As created by the author) As can be seen from the above diagram, the initial equilibrium of the consumer is at E0, with the indifference curve Ic1 being tangent on the budget line AB0. With the considerable increase in price of coffee, price of pastries remaining unchanged, the budget line rotates to AB1. With the help of the compensated budget line (the dotted line), it can be seen that, assuming that the purchasing power of the consumer is kept at the initial level, with the increase in the price of coffee, the demand for coffee declines from Qc to Qc (Hall Lieberman, 2012). This is the substitution effect, which is negative as coffee is a normal good. Now, given the original income showing a lesser purchasing power, the equilibrium shifts to E2, with the new IC being Ic1 and the quantity of coffee decreasing further to Qc. This is the negative income effect. Thus, the entire price effect shows the decrease in demand for coffee from Qc to Qc. The change in the demand for pastries, however, depends on the m agnitude of the change in purchasing power and the income and substitution effects. It may decrease, remain the same or may even increase to a little extent if the demand for coffee is substantially decreased (Dixon et al., 2012). References Dixon, P. B., Bowles, S., Kendrick, D., Taylor, L., Roberts, M. (2012).Notes andproblems in microeconomic theory (Vol. 15). Elsevier. Hall, R. E., Lieberman, M. (2012). Microeconomics: Principles and applications. Cengage Learning. Rader, T. (2014). Theory of microeconomics. Academic Press. Rios, M. C., McConnell, C. R., Brue, S. L. (2013). Economics: Principles, problems, and policies. McGraw-Hill.
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