Wearing two hats:
- Authors: Vorster, Jo-Anne
- Date: 2010
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/159427 , vital:40296 , https://hdl.handle.net/10520/EJC139349
- Description: In an attempt to find out, I sat in on the weekly meetings of Rhodes University Journalism and Media Studies (JMS) academics who were developing a curriculum for a fourth year course in 2006. My interest as an academic development practitioner is in collaborative development of professional or vocational curricula. What the meeting transcripts and interviews with these and other academics in the journalism school uncover is a complex process that underpins the curriculum development of professional courses - particularly, those professions that are not regulated by a professional board.
- Full Text:
- Authors: Vorster, Jo-Anne
- Date: 2010
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/159427 , vital:40296 , https://hdl.handle.net/10520/EJC139349
- Description: In an attempt to find out, I sat in on the weekly meetings of Rhodes University Journalism and Media Studies (JMS) academics who were developing a curriculum for a fourth year course in 2006. My interest as an academic development practitioner is in collaborative development of professional or vocational curricula. What the meeting transcripts and interviews with these and other academics in the journalism school uncover is a complex process that underpins the curriculum development of professional courses - particularly, those professions that are not regulated by a professional board.
- Full Text:
Semi-submersible rigs: a vector transporting entire marine communities around the world
- Wanless, Ross M, Scott, Sue, Sauer, Warwick H H, Andrew, Timothy G, Glass, James P, Godfrey, Brian, Griffiths, Charles, Yeld, Eleanor
- Authors: Wanless, Ross M , Scott, Sue , Sauer, Warwick H H , Andrew, Timothy G , Glass, James P , Godfrey, Brian , Griffiths, Charles , Yeld, Eleanor
- Date: 2010
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/126920 , vital:35935 , https://doi.10.1007/s10530-009-9666-2
- Description: A virtually intact subtropical reef community (14 phyla, 40 families and 62 non-native taxa) was associated with a rig under tow from Brazil that became stranded on the remote island of Tristan da Cunha. This exposes rigs as a significant vector spreading alien marine organisms, and includes the first records of free-swimming marine finfish populations becoming established after unintentional movement. With relatively trivial effort, a pre-tow clean would have obviated the need to salvage and dispose of the rig (undertaken largely to address concerns about invasive species), at a cost of *US$20 million. Our findings show that towing biofouled structures across biogeographic boundaries present unexcelled opportunities for invasion to a wide diversity of marine species. Better control and management of this vector is required urgently. Simultaneous, unintentional introductions of viable populations of multiple marine organisms are rare events, and we develop a basic framework for rapid assessment of invasion risks.
- Full Text:
- Authors: Wanless, Ross M , Scott, Sue , Sauer, Warwick H H , Andrew, Timothy G , Glass, James P , Godfrey, Brian , Griffiths, Charles , Yeld, Eleanor
- Date: 2010
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/126920 , vital:35935 , https://doi.10.1007/s10530-009-9666-2
- Description: A virtually intact subtropical reef community (14 phyla, 40 families and 62 non-native taxa) was associated with a rig under tow from Brazil that became stranded on the remote island of Tristan da Cunha. This exposes rigs as a significant vector spreading alien marine organisms, and includes the first records of free-swimming marine finfish populations becoming established after unintentional movement. With relatively trivial effort, a pre-tow clean would have obviated the need to salvage and dispose of the rig (undertaken largely to address concerns about invasive species), at a cost of *US$20 million. Our findings show that towing biofouled structures across biogeographic boundaries present unexcelled opportunities for invasion to a wide diversity of marine species. Better control and management of this vector is required urgently. Simultaneous, unintentional introductions of viable populations of multiple marine organisms are rare events, and we develop a basic framework for rapid assessment of invasion risks.
- Full Text:
The use and appreciation of botanical gardens as urban green spaces in South Africa
- Ward, Catherine D, Parker, Caitlin M, Shackleton, Charlie M
- Authors: Ward, Catherine D , Parker, Caitlin M , Shackleton, Charlie M
- Date: 2010
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/181146 , vital:43702 , xlink:href="https://doi.org/10.1016/j.ufug.2009.11.001"
- Description: There are few formal studies on the contribution of botanical gardens as urban green spaces, particularly within developing countries. Therefore, this paper reports on an assessment of the use and appreciation of botanical gardens as urban green spaces in South Africa. Users and staff were surveyed in six national botanical gardens. The gardens provided numerous benefits in terms of conservation, education and recreation. However, the people using the gardens were not demographically representative of the general population of the surrounding city or town. Generally, most of the visitors were middle- to old-aged, well-educated professionals with medium to high incomes. Most were white and English was their home language. There was an even gender representation. Most visited only a few times per year. The majority of users visited the gardens for recreation and psychological reasons rather than educational ones. However, the staff of each garden placed emphasis on education in the gardens and amongst surrounding schools. Most visitors appreciated the conservation dimensions of botanical gardens, and felt that there was insufficient public green space in their town or city. Understanding how people perceive and use the botanical gardens of South Africa is important to inform future research and strategies regarding the conservation of urban green space within a developing country.
- Full Text:
- Authors: Ward, Catherine D , Parker, Caitlin M , Shackleton, Charlie M
- Date: 2010
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/181146 , vital:43702 , xlink:href="https://doi.org/10.1016/j.ufug.2009.11.001"
- Description: There are few formal studies on the contribution of botanical gardens as urban green spaces, particularly within developing countries. Therefore, this paper reports on an assessment of the use and appreciation of botanical gardens as urban green spaces in South Africa. Users and staff were surveyed in six national botanical gardens. The gardens provided numerous benefits in terms of conservation, education and recreation. However, the people using the gardens were not demographically representative of the general population of the surrounding city or town. Generally, most of the visitors were middle- to old-aged, well-educated professionals with medium to high incomes. Most were white and English was their home language. There was an even gender representation. Most visited only a few times per year. The majority of users visited the gardens for recreation and psychological reasons rather than educational ones. However, the staff of each garden placed emphasis on education in the gardens and amongst surrounding schools. Most visitors appreciated the conservation dimensions of botanical gardens, and felt that there was insufficient public green space in their town or city. Understanding how people perceive and use the botanical gardens of South Africa is important to inform future research and strategies regarding the conservation of urban green space within a developing country.
- Full Text:
An assessment of a light-attraction fishery in southern Lake Malawi
- Weyl, Olaf L F, Kazembe, Jacqueline, Booth, Anthony J, Mandere, D S
- Authors: Weyl, Olaf L F , Kazembe, Jacqueline , Booth, Anthony J , Mandere, D S
- Date: 2010
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/123683 , vital:35472 , https://doi.org/10.2989/16085910409503787
- Description: This study provides the first quantitative assessment of the light-attraction component of a small-scale purse seine, locally known as a chilimira net, fishery in two areas of southern Lake Malawi. For monitoring purposes the shoreline of Lake Malawi is divided into a number of statistical strata. Two strata (‘2.1’ in the southeast arm and ‘3.1’ in the southwest arm of the lake) were selected for this study. Catch per unit effort in stratum 2.1 was generally lower than that recorded in stratum 3.1 but nets in stratum 2.1 fished more frequently, leading to similar annual catches in the two strata. Annual catch was estimated as 19.4 (CI = 15.9–23.5) tons net–1 year–1 in stratum 2.1 and 23.5 (CI = 19.5–28.1) tons net–1 year–1 in stratum 3.1 respectively. A total of 62 species from 28 cichlid genera, and 13 species from nine non-cichlid genera, were identified from the samples. Of the 37 genera identified, only five; Copadichromis, Dimidiochromis, Engraulicypris, Oreochromis and Rhamphochromis, contributed more than 5% to the total annual catch in either stratum. Their combined contribution to the annual catch was in excess of 85% in both strata. Comparisons showed that catch-composition was dependent on area. Length-frequency distributions of major target species in the catch showed that the fishery targeted juveniles in stratum 2.1, while in stratum 3.1 most individuals were harvested after reaching their lengthat-maturity. The dependence of catch-composition and size-selection on area indicates that management interventions for this fishery need to be area-specific. Since the fishery targets a diverse species assemblage, effort limitation or area closure may be the only viable management options, until such time as additional biological and fisheries data are available for the application of stock assessment models.
- Full Text:
- Authors: Weyl, Olaf L F , Kazembe, Jacqueline , Booth, Anthony J , Mandere, D S
- Date: 2010
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/123683 , vital:35472 , https://doi.org/10.2989/16085910409503787
- Description: This study provides the first quantitative assessment of the light-attraction component of a small-scale purse seine, locally known as a chilimira net, fishery in two areas of southern Lake Malawi. For monitoring purposes the shoreline of Lake Malawi is divided into a number of statistical strata. Two strata (‘2.1’ in the southeast arm and ‘3.1’ in the southwest arm of the lake) were selected for this study. Catch per unit effort in stratum 2.1 was generally lower than that recorded in stratum 3.1 but nets in stratum 2.1 fished more frequently, leading to similar annual catches in the two strata. Annual catch was estimated as 19.4 (CI = 15.9–23.5) tons net–1 year–1 in stratum 2.1 and 23.5 (CI = 19.5–28.1) tons net–1 year–1 in stratum 3.1 respectively. A total of 62 species from 28 cichlid genera, and 13 species from nine non-cichlid genera, were identified from the samples. Of the 37 genera identified, only five; Copadichromis, Dimidiochromis, Engraulicypris, Oreochromis and Rhamphochromis, contributed more than 5% to the total annual catch in either stratum. Their combined contribution to the annual catch was in excess of 85% in both strata. Comparisons showed that catch-composition was dependent on area. Length-frequency distributions of major target species in the catch showed that the fishery targeted juveniles in stratum 2.1, while in stratum 3.1 most individuals were harvested after reaching their lengthat-maturity. The dependence of catch-composition and size-selection on area indicates that management interventions for this fishery need to be area-specific. Since the fishery targets a diverse species assemblage, effort limitation or area closure may be the only viable management options, until such time as additional biological and fisheries data are available for the application of stock assessment models.
- Full Text:
Cultivation of medicinal plants as a tool for biodiversity conservation and poverty alleviation in the Amatola region, South Africa:
- Wiersum, K Freerk, Dold, Anthony P, Husselman, Madeleen, Cocks, Michelle L
- Authors: Wiersum, K Freerk , Dold, Anthony P , Husselman, Madeleen , Cocks, Michelle L
- Date: 2010
- Language: English
- Type: text , book
- Identifier: http://hdl.handle.net/10962/141489 , vital:37979 , ISBN 9781402054488 , https://library.wur.nl/ojs/index.php/frontis/issue/view/232
- Description: This paper describes the assumptions and results of a study to assess whether cultivation of medicinal plants can serve as a tool for combined biodiversity conservation and poverty alleviation. The study was carried out in the Amatola region of Eastern Cape, South Africa, where sustained beliefs in medicinal plant use, also under non-traditional conditions, has resulted in an increase in commercial demands. It was based on the assumption of poverty alleviation not only referring to an increase in income and labour, but also an increase in social capital and human dignity. The study assessed the local perceptions of the use and cultivation of medicinal plants and the need for conservation of these plants, as well as the features of already ongoing cultivation practices and options for increased cultivation. It consisted of participatory assessments in three villages involving around 250 persons and participatory trials with 14 rural women selling medicinal plants on urban markets. The study indicated that the growing demand for medicinal plants is related to the great cultural significance attached to medicinal plants.
- Full Text:
- Authors: Wiersum, K Freerk , Dold, Anthony P , Husselman, Madeleen , Cocks, Michelle L
- Date: 2010
- Language: English
- Type: text , book
- Identifier: http://hdl.handle.net/10962/141489 , vital:37979 , ISBN 9781402054488 , https://library.wur.nl/ojs/index.php/frontis/issue/view/232
- Description: This paper describes the assumptions and results of a study to assess whether cultivation of medicinal plants can serve as a tool for combined biodiversity conservation and poverty alleviation. The study was carried out in the Amatola region of Eastern Cape, South Africa, where sustained beliefs in medicinal plant use, also under non-traditional conditions, has resulted in an increase in commercial demands. It was based on the assumption of poverty alleviation not only referring to an increase in income and labour, but also an increase in social capital and human dignity. The study assessed the local perceptions of the use and cultivation of medicinal plants and the need for conservation of these plants, as well as the features of already ongoing cultivation practices and options for increased cultivation. It consisted of participatory assessments in three villages involving around 250 persons and participatory trials with 14 rural women selling medicinal plants on urban markets. The study indicated that the growing demand for medicinal plants is related to the great cultural significance attached to medicinal plants.
- Full Text:
Third World Express: trains and “revolution” in Southern African poetry
- Authors: Wright, Laurence
- Date: 2010
- Language: English
- Type: text , article
- Identifier: vital:7066 , http://hdl.handle.net/10962/d1007453 , https://doi.org/10.4102/lit.v31i1.34
- Description: preprint , This article examines political dimensions of the train metaphor in selected southern African poems, some of them in English translation. Exploring work by Mongane Serote, B.W. Vilakazi, Demetrius Segooa, Phedi Tlhobolo, Thami Mseleku, Jeremy Cronin, Alan Lennox-Short, Anthony Farmer, Freedom T.V. Nyamubaya, Abduraghiem Johnstone and Mondli Gwala, the argument shows some of the ways in which the technological character of trains and railways is made to carry a message of political insurrection and revolution. The author shows that the political potential of the railway metaphor builds on the general response to railways evident in poems indebted to traditional African praise poetry. The piece also demonstrates that political contention within different strands of the southern African liberation movement could also find expression using the railway metaphor.
- Full Text:
- Authors: Wright, Laurence
- Date: 2010
- Language: English
- Type: text , article
- Identifier: vital:7066 , http://hdl.handle.net/10962/d1007453 , https://doi.org/10.4102/lit.v31i1.34
- Description: preprint , This article examines political dimensions of the train metaphor in selected southern African poems, some of them in English translation. Exploring work by Mongane Serote, B.W. Vilakazi, Demetrius Segooa, Phedi Tlhobolo, Thami Mseleku, Jeremy Cronin, Alan Lennox-Short, Anthony Farmer, Freedom T.V. Nyamubaya, Abduraghiem Johnstone and Mondli Gwala, the argument shows some of the ways in which the technological character of trains and railways is made to carry a message of political insurrection and revolution. The author shows that the political potential of the railway metaphor builds on the general response to railways evident in poems indebted to traditional African praise poetry. The piece also demonstrates that political contention within different strands of the southern African liberation movement could also find expression using the railway metaphor.
- Full Text:
Irony and transcendence on the Renaissance stage
- Authors: Wright, Laurence
- Date: 2004
- Language: English
- Type: text , article
- Identifier: vital:7067 , http://hdl.handle.net/10962/d1007455 , https://doi.org/10.1484/M.CURSOR-EB.3.4728
- Description: preprint , This is the concluding essay in a collection entitled 'This Earthly Stage'. The chapter argues that the peculiar task of the stage metaphor - the notion of the theatre as a metaphor for life,which involves complex interactions between rarefied intellectual constructions of life and mundane reality - is to interrogate the tension between an inscrutable cosmic order and the limited viewpoints of ordinary humanity.The piece moves from general considerations of irony and dramatic irony, via an analysis of Kyd's The Spanish Tragedy, to comments on Petrarch, Pico and Vives, culminating in a consideration of irony and transcendence in Shakespeare's last plays.
- Full Text:
- Authors: Wright, Laurence
- Date: 2004
- Language: English
- Type: text , article
- Identifier: vital:7067 , http://hdl.handle.net/10962/d1007455 , https://doi.org/10.1484/M.CURSOR-EB.3.4728
- Description: preprint , This is the concluding essay in a collection entitled 'This Earthly Stage'. The chapter argues that the peculiar task of the stage metaphor - the notion of the theatre as a metaphor for life,which involves complex interactions between rarefied intellectual constructions of life and mundane reality - is to interrogate the tension between an inscrutable cosmic order and the limited viewpoints of ordinary humanity.The piece moves from general considerations of irony and dramatic irony, via an analysis of Kyd's The Spanish Tragedy, to comments on Petrarch, Pico and Vives, culminating in a consideration of irony and transcendence in Shakespeare's last plays.
- Full Text:
Learning to be original
- Authors: Wright, Laurence
- Date: 2010
- Language: English
- Type: text , article
- Identifier: vital:7065 , http://hdl.handle.net/10962/d1007431
- Description: preprint , My topic suggested itself in response to a point made at a seminar on University autonomy. Someone observed that many people, even shack dwellers, are interested in the cosmos and they always would be. The remark came in the course of a debate concerning the cost of the SKA project, the massively expensive square kilometer array telescope for which South Africa is bidding against Australia, viewed in relation to the country’s huge list of social backlogs: Big science versus food and decent housing; a false opposition, or a grim choice? You can imagine the debate. The nugget that stayed with me was the tangential comment that ordinary people are always interested in the cosmos. If so, is this true merely because human cultures traditionally incorporate such an interest, or because humans themselves actually need a relation to the cosmos? What might this need be?
- Full Text:
- Authors: Wright, Laurence
- Date: 2010
- Language: English
- Type: text , article
- Identifier: vital:7065 , http://hdl.handle.net/10962/d1007431
- Description: preprint , My topic suggested itself in response to a point made at a seminar on University autonomy. Someone observed that many people, even shack dwellers, are interested in the cosmos and they always would be. The remark came in the course of a debate concerning the cost of the SKA project, the massively expensive square kilometer array telescope for which South Africa is bidding against Australia, viewed in relation to the country’s huge list of social backlogs: Big science versus food and decent housing; a false opposition, or a grim choice? You can imagine the debate. The nugget that stayed with me was the tangential comment that ordinary people are always interested in the cosmos. If so, is this true merely because human cultures traditionally incorporate such an interest, or because humans themselves actually need a relation to the cosmos? What might this need be?
- Full Text:
David Lurie's learning and the meaning of J.M. Coetzee's Disgrace
- Authors: Wright, Laurence
- Date: 2010
- Language: English
- Type: text , article
- Identifier: vital:7063 , http://hdl.handle.net/10962/d1007428 , http://hdl.handle.net/10520/EJC47864
- Description: preprint , One of the teasing characteristics of novels soused in literariness, like J.M. Coetzee’s, is their tendency to leak, to bleed, into vast inchoate terrains of intertextuality.The reader is constantly challenged to measure and assess their implications within or against the frail containing form of the story, much as Russian formalism taught us to keep sujet and fable in perpetual dialogue. However, it has become apparent that in the dense thickets of commentary occasioned by Coetzee’s most controversial novel, Disgrace (1999), insufficient attention has been paid to the intertextual implications of David Lurie’s learning, his scholarly preoccupations. Unless the reader attempts this kind of exploration, two of the most vexed issues freighting the novel’s central fabulation: Lucy’s curiously stoical, impassive response to her rape, together with her decision to stay on in South Africa; and David Lurie’s sudden, seemingly inexplicable care for the doomed dogs, from their last moments at the animal shelter until he lovingly consigns their corpses to the incinerator, must remain opaque. In particular, the final words of the novel, “Yes, I am giving him up” (220), uttered in relation to the immanent “Lösung” of the little dog Bev Shaw calls Driepoot, will tend to taunt the reader, rather than illuminate.
- Full Text:
- Authors: Wright, Laurence
- Date: 2010
- Language: English
- Type: text , article
- Identifier: vital:7063 , http://hdl.handle.net/10962/d1007428 , http://hdl.handle.net/10520/EJC47864
- Description: preprint , One of the teasing characteristics of novels soused in literariness, like J.M. Coetzee’s, is their tendency to leak, to bleed, into vast inchoate terrains of intertextuality.The reader is constantly challenged to measure and assess their implications within or against the frail containing form of the story, much as Russian formalism taught us to keep sujet and fable in perpetual dialogue. However, it has become apparent that in the dense thickets of commentary occasioned by Coetzee’s most controversial novel, Disgrace (1999), insufficient attention has been paid to the intertextual implications of David Lurie’s learning, his scholarly preoccupations. Unless the reader attempts this kind of exploration, two of the most vexed issues freighting the novel’s central fabulation: Lucy’s curiously stoical, impassive response to her rape, together with her decision to stay on in South Africa; and David Lurie’s sudden, seemingly inexplicable care for the doomed dogs, from their last moments at the animal shelter until he lovingly consigns their corpses to the incinerator, must remain opaque. In particular, the final words of the novel, “Yes, I am giving him up” (220), uttered in relation to the immanent “Lösung” of the little dog Bev Shaw calls Driepoot, will tend to taunt the reader, rather than illuminate.
- Full Text:
Metallophthalocyanine-based molecular materials as catalysts for electrochemical reactions
- Zagal, José H, Griveau, Sophie J, Silva, Francisco, Nyokong, Tebello, Bedioui, Fethi
- Authors: Zagal, José H , Griveau, Sophie J , Silva, Francisco , Nyokong, Tebello , Bedioui, Fethi
- Date: 2010
- Language: English
- Type: text , Article
- Identifier: vital:7239 , http://hdl.handle.net/10962/d1019718
- Description: Metallophthalocyanines confined on the surface of electrodes are active catalysts for a large variety of electrochemical reactions and electrode surfaces modified by these complexes can be obtained by simple adsorption on graphite and carbon. However, more stable electrodes can be achieved by coating their surfaces with electropolymerized layers of the complexes, that show similar activity than their monomer counterparts. In all cases, fundamental studies carried out with adsorbed layers of these complexes have shown that the redox potential is a very good reactivity index for predicting the catalytic activity of the complexes. Volcano-shaped correlations have been found between the electrocatalytic activity (as log I at constant E) versus the Co(II)/(I) formal potential (E°′) of Co-macrocyclics for the oxidation of several thiols, hydrazine and glucose. For the electroreduction of O2 only linear correlations between the electrocatalytic activity versus the M(III)/M(II) formal potential have been found using Cr, Mn, Fe and Co phthalocyanines but it is likely that these correlations are “incomplete volcano” correlations. The volcano correlations strongly suggest that E°′, the formal potential of the complex needs to be in a rather narrow potential window for achieving maximum activity, probably corresponding to surface coverages of an M-molecule adduct equal to 0.5 and to standard free energies of adsorption of the reacting molecule on the complex active site equal to zero. These results indicate that the catalytic activity of metallophthalocyanines for the oxidation of several molecules can be “tuned” by manipulating the E°′ formal potential, using proper groups on the macrocyclic ligand. This review emphasizes once more that metallophthalocyanines are extremely versatile materials with many applications in electrocatalysis, electroanalysis, just to mention a few, and they provide very good models for testing their catalytic activity for several reactions. Even though the earlier applications of these complexes were focused on providing active materials for electroreduction of O2, for making active cathodes for fuel cells, the main trend in the literature nowadays is to use these complexes for making active electrodes for electrochemical sensors. , Original publication is available at http://dx.doi.org/10.1016/j.ccr.2010.05.001
- Full Text: false
- Authors: Zagal, José H , Griveau, Sophie J , Silva, Francisco , Nyokong, Tebello , Bedioui, Fethi
- Date: 2010
- Language: English
- Type: text , Article
- Identifier: vital:7239 , http://hdl.handle.net/10962/d1019718
- Description: Metallophthalocyanines confined on the surface of electrodes are active catalysts for a large variety of electrochemical reactions and electrode surfaces modified by these complexes can be obtained by simple adsorption on graphite and carbon. However, more stable electrodes can be achieved by coating their surfaces with electropolymerized layers of the complexes, that show similar activity than their monomer counterparts. In all cases, fundamental studies carried out with adsorbed layers of these complexes have shown that the redox potential is a very good reactivity index for predicting the catalytic activity of the complexes. Volcano-shaped correlations have been found between the electrocatalytic activity (as log I at constant E) versus the Co(II)/(I) formal potential (E°′) of Co-macrocyclics for the oxidation of several thiols, hydrazine and glucose. For the electroreduction of O2 only linear correlations between the electrocatalytic activity versus the M(III)/M(II) formal potential have been found using Cr, Mn, Fe and Co phthalocyanines but it is likely that these correlations are “incomplete volcano” correlations. The volcano correlations strongly suggest that E°′, the formal potential of the complex needs to be in a rather narrow potential window for achieving maximum activity, probably corresponding to surface coverages of an M-molecule adduct equal to 0.5 and to standard free energies of adsorption of the reacting molecule on the complex active site equal to zero. These results indicate that the catalytic activity of metallophthalocyanines for the oxidation of several molecules can be “tuned” by manipulating the E°′ formal potential, using proper groups on the macrocyclic ligand. This review emphasizes once more that metallophthalocyanines are extremely versatile materials with many applications in electrocatalysis, electroanalysis, just to mention a few, and they provide very good models for testing their catalytic activity for several reactions. Even though the earlier applications of these complexes were focused on providing active materials for electroreduction of O2, for making active cathodes for fuel cells, the main trend in the literature nowadays is to use these complexes for making active electrodes for electrochemical sensors. , Original publication is available at http://dx.doi.org/10.1016/j.ccr.2010.05.001
- Full Text: false