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Comparative studies on progeny test results from stations and field data
LG Christensen
Genetics Selection Evolution , 1971, DOI: 10.1186/1297-9686-3-1-110b
Recently published papers: We are what we eat?
LG Forni
Critical Care , 2002, DOI: 10.1186/cc1527
Abstract: Anonymous English proverbOver the past few months yet more information bombards us. Several papers have concentrated on nutrition and markers thereof, in an attempt to make sense of much data.Current interest in blood glucose levels focuses on examining patients' glucose tolerance to predict outcomes. This is particularly pertinent to high-dependency and coronary care practice, as well as intensive care unit (ICU) work. The DIGAMI study highlighted the long-term post-myocardial infarction (MI) risk in patients with a deranged glycometabolic state [1]. Similarly, the intensive care population has been scrutinized with regard to glycometabolic control in septic critically ill patients. Strict glycaemic control in such individuals is now hopefully commonplace, with the aim of improving survival. This has prompted much work to delineate those individuals with impaired glycometabolic control, and the same group presented further evidence that abnormal glucose metabolism is associated with a high prevalence of acute MI [2]. A total of 181 consecutive nondiabetic patients admitted with acute MI were given standard glucose tolerance testing at discharge and 3 months later. Fewer than 35% of patients had normal glucose tolerance at 3 months of follow up. It would appear likely, then, that early detection of impaired glycometabolic control might improve outcome by allowing introduction of secondary preventative measures. This probably has little immediate relevance to the ICU, but for those of us who are involved in coronary care it is worthwhile bearing in mind that an HbA1c on admission may well indicate long-term risk and is a relatively quick and inexpensive test.Nutritional support is often regarded as the Cinderella of the intensivist's armamentarium, probably because it does not generate the same excitement as the latest test for inflammatory mediators or suchlike. However, rather like toothache, it is best not ignored. Intense debate continues as to the preferred rout
Características de la capa límite del fondo en el Alto Golfo de California a partir de perfiles de velocidad
Alvarez, LG;
Ciencias marinas , 2010,
Abstract: the vertical structure of currents in the upper gulf of california was studied using velocity profiles observed at a site in 25 m water depth during one fortnightly cycle, in order to determine the development of a logarithmic bottom layer and to estimate parameters derived from the law of the wall. the velocity data included two neap-tide periods in which gravity currents have been shown to develop. the currents were dominated by tidal forcing, and were oriented along-gulf, with the main axis towards 323.8°. spring tide velocity amplitude was 0.5-0.9 m s-1, decreasing to less than 0.30 m s-1 during neap tides. a logarithmic layer structure was observed within the lower half of the water column during spring tides. this layer was less than 5 m thick during neap tides, and was not observed under low velocity conditions, around the times of current reversals. the seabed shear stress values were typical of macrotidal environments, reaching ±2.5 pa under spring tide conditions and decreasing by a factor of 2-3 during neap tides. mean values of the bottom drag coefficient and seabed roughness parameter were 10-2 and 0.05 m, respectively. these relatively high values were attributed to the influence of near-bed stratification. during the two neap-tide periods, two gravity current events were observed within 4-5 m from the seabed, reaching 0.30 m s-1, intensified by the ebb tidal flow. the near-bed velocity profiles were markedly modified during these events that persisted for about three days.
The role of religious values in extending social protection: A South African perspective
LG Mpedi
Acta Theologica , 2008,
Abstract: This article reflects critically on the role played by religious networks – in particular the African Independent Churches or African Initiated Churches (AICs) – in enhancing social protection by means of informal coping mechanisms in the South African context. It also examines various factors that contribute towards informal social security dependency in AICs, namely the influence of the Constitution of the Republic of South Africa, the limited scope of social security coverage, the restricted family concept (underlying much of the formal system which does not reflect the family context in South Africa), African traditional values, and Christian principles. In addition, the article investigates the nature of the relationship between informal coping mechanisms (such as those in AICs) and formal social security, i.e. whether informal social security strengthens or weakens formal social security. It finally explores ways and means of strengthening informal social security, in particular in the wake of challenges such as HIV/AIDS, urbanisation and migration.
Modelul de date al intreprinderii. O abordare orientata obiect
Cretu LG
Scientific Annals of the Alexandru Ioan Cuza University of Iasi : Economic Sciences Series , 2005,
Karyotype composition of some rodents and marsupials from Chapada Diamantina (Bahia, Brasil)
Pereira, LG.;Geise, L.;
Brazilian Journal of Biology , 2007, DOI: 10.1590/S1519-69842007000300016
Abstract: the chapada diamantina (cd) is located in bahia state, between 11-14° s and 41-43° w, being part of the serra do espinha?o. the occurrence of different habitats and transition areas permits an interesting mammal fauna composition, with species from different biomes living in sympatry. species of didelphimorphia and rodentia are important members of mammal communities in almost all different habitats, and morphological and cytogenetic characters are important for a correct identification of most of these species. in this work 258 specimens of small mammals from the orders didelphimorphia (six genera and six species) and rodentia (two families, five sigmodontinae tribes, nine genera and 11 species) were collected during the whole field work (44 nights with traps). chromosome preparations were obtained from 145 specimens from the species: marmosops incanus, gracilinanus microtarsus, monodelphis domestica, akodon aff. cursor, necromys lasiurus, cerradomys sp., oligoryzomys fornesi, o. nigripes, o. rupestris, calomys expulsus, rhipidomys macrurus, wiedomys pyrrhorhinus and thrichomys inermis. didelphis albiventris, micoureus demerarae, thylamys karymii and nectomys sp. were identified by morphological characters. most analyzed specimens do not show karyotype variation. however, numerical chromosomic variation was found in two individuals of akodon aff. cursor (2n = 15) and in one individual of cerradomys sp. (2n = 51). structural variation in karyotype was observed in seven individuals of cerradomys sp., showing one additional pair of metacentric chromosomes.
Host-Parasite Interactions Throughout the Striga Life Cycle, and their Contributions to Striga Resistance
G Ejeta, LG Butler
African Crop Science Journal , 1993,
Abstract: Field screening for resistance to Striga has been slow and difficult, with only modest success. Successful Striga parasitism is dependent upon a series of chemical signals produced by its host. Interruption of one or more of these signals results in failure to establish parasitism. We have embarked upon a programme a characterizing these signals, developing simple laboratory assays for them; identifying genotypes which are resistant because they produce abnormal levels of signals; elucidating the mode of inheritance to genotypes with high yield potential and broad adaptation. Focusing on the initial stage, the signal required for Striga seed germination, our collaborative research work in sorghum has resulted in the development of elite sorghum genotypes which combines Striga resistance with yield potential and good quality characteristics. These germplasm are currently under wide international testing in several African countries. We hope to follow this pattern for each host-dependent step in the development of Striga plants, then pyramid the resulting resistance genes into a single genotype which should exhibit durable, broad-based resistance.
Social protection for developing countries: Can social insurance be more relevant for those working in the informal economy?
N Smit, LG Mpedi
Law, Democracy & Development , 2010,
Abstract: In this article, Nicola Smit and Letlhokwa George Mpedi critically evaluate the appropriateness of social protection, particularly social insurance, for informal economy workers. It addresses the question from a developing country perspective, focusing in particular on Southern Africa. The authors start by analysing concepts (such as “informal economy”, “employee”, “social protection” and “social security”) pertinent to the theme of making social insurance appropriate for informal economy workers. They then provide an overview of the labour market and social protection challenges, followed by recommendations on how to make social insurance more relevant to those toiling in the informal economy. On the one hand the authors consider ways to extend social protection to informal economy workers and their families and, on the other hand, investigate to what extent it is possible to strengthen the linkages between the informal and formal economies. They emphasise that the labour law concept of “employee”, which serves as a gateway to social insurance, has to be interpreted more widely. Secondly, social insurance schemes have to be adapted so as to make them amenable to partial or voluntary participation of the informal economy workers. Thirdly, options for making social insurance benefits suitable for those working in the informal economy should be further investigated. Fourthly, the administrative capacity of social insurance schemes should be improved. Furthermore, the informal coping strategies of people should be reinforced and, where possible, formalised. Most importantly, trade union involvement in and solidarity with those eking out a living in the informal economy should be encouraged.
Clinical utility and tolerability of linagliptin in diabetic patients
Maxwell LG, McFarland MS
Drug, Healthcare and Patient Safety , 2013, DOI: http://dx.doi.org/10.2147/DHPS.S28823
Abstract: ical utility and tolerability of linagliptin in diabetic patients Review (356) Total Article Views Authors: Maxwell LG, McFarland MS Published Date March 2013 Volume 2013:5 Pages 67 - 78 DOI: http://dx.doi.org/10.2147/DHPS.S28823 Received: 02 November 2012 Accepted: 27 November 2012 Published: 22 March 2013 Lauralee Gordon Maxwell,1 M Shawn McFarland1,2 1Department of Veterans Affairs, TN Valley Healthcare System, Murfreesboro, 2The University of Tennessee Department of Clinical Pharmacy, Memphis, TN, USA Background: The purpose of this paper is to review the efficacy, safety, and tolerability of linagliptin in the management of hyperglycemia in adults with type 2 diabetes mellitus. Methods: A Medline search was performed using the keywords “linagliptin” and “type 2 diabetes” for articles published September 2010 through July 2012. The literature search was limited by the following criteria: articles' publication in the English language, clinical trials, randomized controlled trials, and research conducted in humans. Results: A review of the data for linagliptin in the treatment of type 2 diabetes as monotherapy or in combination with other antidiabetic therapies suggests clinical efficacy in terms of reductions in glycosylated hemoglobin, fasting plasma glucose, and postprandial glucose. Most adverse events with linagliptin are considered to be mild to moderate in nature. Although linagliptin therapy may offer a low risk of hypoglycemia, the risk increases when it is used in combination with insulin secretagogues. Linagliptin can generally be considered weight neutral, but a weight increase was observed when linagliptin was used in combination with a thiazolidinedione. Conclusion: Linagliptin is a once-daily oral medication used for the treatment of type 2 diabetes. The use of linagliptin as monotherapy or in combination with metformin, sulfonylureas, or pioglitazone led to improvement in glycemic control and was well tolerated by most patients.
The Neural Mechanism for Group Conflict in Humans on Planet Earth
LG Marcia Digger
Pakistan Journal of Social Sciences , 2012,
Abstract: The group conflicts (between countries, races, religions, etc), and other bizarre behaviours that created a painful morass for humans living on planet Earth, were products of a neural mechanism for group conflict. The mechanism also prevented most humans from knowing of its presence, so that the human condition was to suffer without understanding. The movement out of the morass started with the realization that the neural mechanism was present and that it was a counteradaptive vestige.
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