cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.14319809.v1
title: Cryptocurrencies and the new challenges faced by the monetary system: a post-Keynesian perspective

description: Abstract In 2008, Satoshi Nakamoto, the pseudonym of an unknown person, launched ‘Bitcoin’, a decentralized cryptocurrency, aiming at circumventing banks or governments and returning to a more ‘austere’ and quantity-controlled monetary system. After Bitcoin, several other cryptocurrencies were created, and a debate on whether these instruments could ever replace what we currently use as ‘money’ surfaced. Ten years since its creation, it is clear that Bitcoin did not reach its main goal but raised important discussions within the framework of Monetary Authorities. Therefore, this work has two main objectives. The first is to show that, from a post-Keynesian theoretical perspective, Bitcoin cannot stand up to fiduciary currencies because it is much closer to being a highly volatile speculative asset than a currency capable of assuming the prime functions in a capitalist economy. The second objective is to point out the consequences of this discussion within the framework of the monetary authorities, with emphasis on the proposals of central bank cryptocurrencies.
DOI: 10.6084/m9.figshare.14318806.v1
title: Nutritional profile of hemodialysis patients concerning treatment time

description: Abstract Introduction: The mortality of the population with chronic kidney disease (CKD) on hemodialysis (HD) is very high and the protein-energy malnutrition stands out as one of the most common consequences in relation to this condition. Objective: To evaluate the association between time of hemodialysis and nutritional parameters of patients. Methods: It is a cross-sectional study with secondary data, developed of the University Hospital of the Federal University of Juiz de Fora (HU/UFJF). This study was approved by the Research Ethics Committee (Nº 1.233.142), a total of 36 patients. The medical records and collected data were analyzed for anthropometric markers, biochemical and diet, considering two groups: HD time less than three and greater than or equal to three years. Results: There was reduction of mass of somatic protein with increased duration of HD. In relation to food intake was observed that in patients with increased duration of dialysis, an increase in average consumption of protein / kg of weight, calories, phosphorus and potassium, with a significant difference from the mean protein intake / kg (p = 0.04) and phosphorus (p = 0.045). Increasing HD time has altered body composition of patients, indicating a decline in the nutritional status of these individuals. Conclusion: HD patients are a risk group for protein-energy malnutrition, where HD time interferes with the nutritional status and food profile of the patient. The group HD time greater than or equal to 3 years presented worsening nutritional status.
DOI: 10.6084/m9.figshare.14318782.v1
title: Oxidized LDL: As a risk factor for cardiovascular disease in renal transplantation

description: ABSTRACT Objectives: The mortality rate of chronic kidney disease (CKD) patients that have undergone renal replacement therapy is very high due to cardiovascular diseases (CVD). Some studies have indicated that cyclosporine A, a drug used to prevent transplant rejection, is associated with bone loss following transplantation. Furthermore, it has an oxidative effect on circulating lipids. Its prooxidant effect on cell membranes causes calcium release. This study aimed to examine whether or not renal transplantation result in improvement in oxidative stress and to assess the association between oxidized LDL (ox-LDL) and some variables in the prediction of CVD risk in Renal Transplantation (RT) patients that were compared with the control group. Material and Methods: A total number of 30 CKD patients were recruited to evaluate time dependent changes in biomarker of OS before and after RT. The ox-LDL, lipid metabolism parameters, CsA, creatinine, calcium and phosphate were assessed both before RT, 10 days and 6 months after RT in comparison with the control group (n = 30). Results: Over 6 months, ox-LDL concentration changed from 79.7 ± 9.7 to 72 ± 7 mU/mL (p &lt; 0.009). calcium phosphate level was positively correlated with the concentration of ox-LDL (R = 0.467, p = 0.011) and cyclosporine (R = 0.419, p = 0.024) 6 months after transplantation. Conclusion: The findings indicated that restoring renal function by transplantation, improves uremia induced oxidative stress. calcium phosphate product, as an independent risk factor for CVD, correlates with ox-LDL before RT and 6 months after RT. Calcium phosphate product correlates with cyclosporine in the RT group, too.
DOI: 10.6084/m9.figshare.14318739.v1
title: Association between indoxyl sulfate and bone histomorphometry in pre-dialysis chronic kidney disease patients

description: Introduction: Experimental studies have suggested that indoxyl sulfate (IS), a protein-bound uremic toxin, may be involved in the development of renal osteodystrophy. Objective: evaluate the association between IS levels and biochemical parameters related to mineral metabolism and bone histomorphometry in a cohort of pre-dialysis chronic kidney disease (CKD) patients. Methods: This is a post-hoc analysis of an observational study evaluating the association between coronary calcification and bone biopsy findings in 49 patients (age: 52 ± 10 years; 67% male; estimated glomerular filtration rate: 36 ± 17 ml/min). Serum levels of IS were measured. Results: Patients at CKD stages 2 and 3 presented remarkably low bone formation rate. Patients at CKD stages 4 and 5 presented significantly higher osteoid volume, osteoblast and osteoclast surface, bone fibrosis volume and bone formation rate and a lower mineralization lag time than CKD stage 2 and 3 patients. We observed a positive association between IS levels on one hand and the bone formation rate, osteoid volume, osteoblast surface and bone fibrosis volume on the other. Multivariate regression models confirmed that the associations between IS levels and osteoblast surface and bone fibrosis volume were both independent of demographic and biochemical characteristics of the study population. A similar trend was observed for the bone formation rate. Conclusion: Our findings demonstrated that IS is positively associated with bone formation rate in pre-dialysis CKD patients.
DOI: 10.6084/m9.figshare.6943934
title: Population size of Aegla longirostri Bond-Buckup and Buckup, 1994 (Crustacea, Decapoda, Anomura): comparison of methods with the mark-recapture technique in closed population

description: Abstract The aim of this study is to estimate the population size of Aegla longirostri Bond-Buckup and Buckup, 1994 in a subtropical low-order stream using the mark-recapture technique. We also tested if the Bayesian model is a promising estimator of population size. Data were collected in two periods, in spring 2010 (seven-day sampling) and in fall 2011(five-day sampling). The animals were sexed, measured, marked in the field, and released in the same spots from which they were collected. During the study period, 445 adults were captured (343 in the spring and 102 in the fall). The estimated population size was 1,005-1,028.8 individuals in the spring and 234-236 in the fall, according to the Schumacher-Eschmeyer and Schnabel methods, respectively. The estimated population size using the Bayesian analysis was 950.13 individuals in the spring and 210.08 in the fall. Although the Bayesian model is a more conservative approach, all methods showed similar and relevant estimations of population size.
DOI: 10.6084/m9.figshare.6943934.v1
title: Population size of Aegla longirostri Bond-Buckup and Buckup, 1994 (Crustacea, Decapoda, Anomura): comparison of methods with the mark-recapture technique in closed population

description: Abstract The aim of this study is to estimate the population size of Aegla longirostri Bond-Buckup and Buckup, 1994 in a subtropical low-order stream using the mark-recapture technique. We also tested if the Bayesian model is a promising estimator of population size. Data were collected in two periods, in spring 2010 (seven-day sampling) and in fall 2011(five-day sampling). The animals were sexed, measured, marked in the field, and released in the same spots from which they were collected. During the study period, 445 adults were captured (343 in the spring and 102 in the fall). The estimated population size was 1,005-1,028.8 individuals in the spring and 234-236 in the fall, according to the Schumacher-Eschmeyer and Schnabel methods, respectively. The estimated population size using the Bayesian analysis was 950.13 individuals in the spring and 210.08 in the fall. Although the Bayesian model is a more conservative approach, all methods showed similar and relevant estimations of population size.
DOI: 10.6084/m9.figshare.14318425.v1
title: Ameliorating effects of okra (Abelmoschus esculentus) seed oil on hypercholesterolemia

description: Abstract Lifestyle associated disorders have always been a hazard for the advancement of chronic diseases. Therefore, use of natural dietary sources is proved to be safe for reducing the occurrence and management of chronic diseases. Okra along with its various parts has been used for the treatment of several diseases. The present study was done to examine the ameliorating effect of okra seed oil on hypercholesterolemic rats. Spargue Dawley Rats were randomly divided into five groups fed with selected experimental diets for a period of 30 days. After inducing hypercholesterolemia, the rats in treatment groups were fed with 6%, 12% and 18% okra seed oil respectively mixed with their normal diet. Decrease in cholesterol and LDL were observed in group 2, 3 and 4. Increase in HDL was also observed in group 2, 3 and 4 from 24.33 ± 1.29 to 25.33 ± 1.29, 23 ± 2.94 to 25 ± 2.94 and from 23.67 ± 1.29 to 26.67 ± 1.29 at day 28. A decrease pattern was also observed in triglycerides in group 2, 3 and 4 from 74 ± 2.22 to 72 ± 2.22, 72 ± 1.63 to 68 ± 1.63 and from 74 ± 3.11 to 66.67 ± 2.45 at day 28. Okra seed oil has the potential to ameliorate hypercholesterolemia. This vegetable can be a part of medical nutrition therapy.
DOI: 10.6084/m9.figshare.7102499
title: Composition, abundance, and diversity of limnetic cladocerans (Crustacea: Anomopoda and Ctenopoda) in a black-water lake in the Negro River basin, Amazonas State, Brazil

description: Abstract For the past 10 years, studies have contributed greatly to knowledge regarding the composition and distribution of the planktonic cladocerans of Tupé Lake in Amazonas State, Brazil, but comparisons between these studies have not been made, and this would increase the comprehension of the ecology of these organisms and their environment. Periodically the hydrological conditions in Tupé Lake change, due to its connecting channel with the Negro River. The purpose of this study was to determine the composition, abundance and diversity of cladocerans in the limnetic zone of Tupé Lake and compare the results with previous studies performed there. Samples were taken in April, June, September, October, November/08 and February/09 in 4 stations located in different areas of the lake. Ceriodaphnia cornuta G.O. Sars, 1886, Bosminopsis deitersi Richard, 1895 and Bosmina cf. longirostris (O.F. Müller, 1785) were the most abundant and frequent species of cladocerans among the 25 recorded species. Higher abundance and richness were observed during the low water phase (October/08). A relationship between the number of samples taken, as well as the type of sampling gear used, and the species richness was observed, when comparing this and previous studies performed in the lake.
DOI: 10.6084/m9.figshare.7102499.v1
title: Composition, abundance, and diversity of limnetic cladocerans (Crustacea: Anomopoda and Ctenopoda) in a black-water lake in the Negro River basin, Amazonas State, Brazil

description: Abstract For the past 10 years, studies have contributed greatly to knowledge regarding the composition and distribution of the planktonic cladocerans of Tupé Lake in Amazonas State, Brazil, but comparisons between these studies have not been made, and this would increase the comprehension of the ecology of these organisms and their environment. Periodically the hydrological conditions in Tupé Lake change, due to its connecting channel with the Negro River. The purpose of this study was to determine the composition, abundance and diversity of cladocerans in the limnetic zone of Tupé Lake and compare the results with previous studies performed there. Samples were taken in April, June, September, October, November/08 and February/09 in 4 stations located in different areas of the lake. Ceriodaphnia cornuta G.O. Sars, 1886, Bosminopsis deitersi Richard, 1895 and Bosmina cf. longirostris (O.F. Müller, 1785) were the most abundant and frequent species of cladocerans among the 25 recorded species. Higher abundance and richness were observed during the low water phase (October/08). A relationship between the number of samples taken, as well as the type of sampling gear used, and the species richness was observed, when comparing this and previous studies performed in the lake.
DOI: 10.6084/m9.figshare.14319827
title: Hedonic price index for apartments: an analysis of data from Belo Horizonte (Brazil), from 1995 to 2012

description: Abstract This paper presents the more commonly used methods of hedonic estimation and applies them to a fiscal data base from Belo Horizonte, Brazil, 1995-2012. The results of the price indexes from the various estimations suggest a pronounced real estate appreciation from 2005 to 2012. Increasing real estate financing (after the statutory lien legislation of 2004), falling interest rates and growth in real family income contributed to the positive performance of the real estate market in the period. Results also indicate that real estate prices continued to increase despite the world financial crisis of 2008/2009 possibly due to countercyclical policies implemented by the Brazilian Government. These results help to shed light on the potential use of hedonic price models and a fiscal database to construct an official housing price index for Brazil in the future.
DOI: 10.5281/zenodo.4639695
title: Can citizen science analysis of camera trap data be used to study reproduction? Lessons from Snapshot Serengeti program

description: This dataset contains the classifications made by the volunteers of Snapshot Serengeti program and three trained observers of sequences of 1 to 3 pictures, taken between 2010 and 2013 in Serengeti National Park (Tanzania). It contains information about the species present in the pictures (topi, kongoni or Grant’s gazelle), and the age class of the individuals of the pictures (juveniles of less than 1 month, between 1 and 6 months, between 6 and 12 months, of more than 12 months; adults; individuals of undetermined age). This dataset is used in the analyses of the paper “Can citizen science analysis of camera trap data be used to study reproduction? Lessons from Snapshot Serengeti program” published in Wildlife Biology (2021).
DOI: 10.5281/zenodo.4639694
title: Can citizen science analysis of camera trap data be used to study reproduction? Lessons from Snapshot Serengeti program

description: This dataset contains the classifications made by the volunteers of Snapshot Serengeti program and three trained observers of sequences of 1 to 3 pictures, taken between 2010 and 2013 in Serengeti National Park (Tanzania). It contains information about the species present in the pictures (topi, kongoni or Grant’s gazelle), and the age class of the individuals of the pictures (juveniles of less than 1 month, between 1 and 6 months, between 6 and 12 months, of more than 12 months; adults; individuals of undetermined age). This dataset is used in the analyses of the paper “Can citizen science analysis of camera trap data be used to study reproduction? Lessons from Snapshot Serengeti program” published in Wildlife Biology (2021).
DOI: 10.6084/m9.figshare.14319825
title: Immigrants and farmers at the dawn of São Paulo's industry: the formation of the Cia. Mecânica e Importadora de São Paulo (1882-1892)

description: Abstract Despite the recent growth in the field of corporate history in Brazil, there are still gaps regarding how and who constituted some of the major national firms present at the beginning of the industrial advance of São Paulo, such as the Cia. Mecânica e Importadora de São Paulo, created in 1890 in the state’s capital. Thus, the article seeks to show that in the formation of the largest goods company in São Paulo’s capital from the late nineteenth and early twentieth century, the Cia. Mecânica e Importadora de São Paulo - from the incorporation of Lacerda, Camargo & Cia. and of Engelberg, Siciliano & Cia. - competed with both national and foreign firms, who led the companies that were incorporated. To do so, we will use financial statements, reports, contracts and minutes from the following companies: J. Arbenz & Cia.; Lacerda, Camargo & Arbenz; Lacerda, Camargo & Cia; Cia. Mecânica e Importadora de São Paulo, as well as newspaper reports from the Correio Paulistano in the period 1882-1893.
DOI: 10.6084/m9.figshare.7304633.v1
title: Monitoring mangrove crab Ucides cordatus Linnaeus, 1763 (Crustacea: Ucididae) landing in the Parnaíba River Delta: fishing characteristics, social and economic aspects

description: Abstract The century-old mangrove crab Ucides cordatus Linnaeus, 1763 harvesting is a traditional activity of Northeastern Brazilian coastal communities, who use it as food, source of income and cultural reference. The extractivism and marketing of this crustacean is essential for the socio-economic development of the states of Maranhão, Piauí and Ceará. The aim of this study was to carry out the monitoring of harvesting and landing of the mangrove crab in Ilha Grande, PI. Interviews were conducted with crab gatherers and transporters to obtain information about harvesting, landed volume, market price and destination of commercialized crab. The main capture spots were located at the Maranhão part of the Parnaíba River Delta. Crab gatherers are active 5.07 times a week and spend an average of 6 hours in mangrove. The average number of crabs collected per gatherer/day was 77.0. The quantity landed in daytime period was 63,628 crabs/month, totalizing 714,543 crabs/year. The average price traded was USD 0.19/crab. The production chain of mangrove crab harvesting requires planning for maintain the natural stocks and aggregation of value to the product, benefiting the appreciation of crab gatherers.
DOI: 10.6084/m9.figshare.7304633
title: Monitoring mangrove crab Ucides cordatus Linnaeus, 1763 (Crustacea: Ucididae) landing in the Parnaíba River Delta: fishing characteristics, social and economic aspects

description: Abstract The century-old mangrove crab Ucides cordatus Linnaeus, 1763 harvesting is a traditional activity of Northeastern Brazilian coastal communities, who use it as food, source of income and cultural reference. The extractivism and marketing of this crustacean is essential for the socio-economic development of the states of Maranhão, Piauí and Ceará. The aim of this study was to carry out the monitoring of harvesting and landing of the mangrove crab in Ilha Grande, PI. Interviews were conducted with crab gatherers and transporters to obtain information about harvesting, landed volume, market price and destination of commercialized crab. The main capture spots were located at the Maranhão part of the Parnaíba River Delta. Crab gatherers are active 5.07 times a week and spend an average of 6 hours in mangrove. The average number of crabs collected per gatherer/day was 77.0. The quantity landed in daytime period was 63,628 crabs/month, totalizing 714,543 crabs/year. The average price traded was USD 0.19/crab. The production chain of mangrove crab harvesting requires planning for maintain the natural stocks and aggregation of value to the product, benefiting the appreciation of crab gatherers.
DOI: 10.6084/m9.figshare.7186688.v1
title: A new “extreme” type of mantis shrimp larva

description: Abstract Mantis shrimps are prominent predatory crustaceans. Their larvae, although morphologically very differently-appearing from their adult counterparts, are already predators; yet, unlike the adults they are not benthic. Instead they are part of the plankton preying on other planktic organisms. Similar to some types of lobsters and crab-like crustaceans the planktic larvae of mantis shrimps can grow quite large, reaching into the centimeter range. Nonetheless, our knowledge on mantis shrimp larvae is still rather limited. Recently new types of giant mantis shrimp larvae with “extreme morphologies” have been reported. Here we describe another type that qualifies to be called “extreme”. Comparative measurements of certain morphological structures on selected known larvae support the exceptionality of the new specimen. It differs in several aspects from the original four types of extreme mantis shrimp larvae described by C. Haug et al. (2016). With this fifth type we expand the known morphological diversity of mantis shrimp larvae and also contribute to our still very incomplete, although growing, knowledge of this life phase.
DOI: 10.6084/m9.figshare.14319824
title: Bunge Brasil (1956 to 1994): the consolidation of an economic group

description: Abstract This paper aims to show that Bunge Brazil consolidated itself as an economic group in the second half of the twentieth century. Founded in Amsterdam in 1818, the company has operated in Brazil since 1905, arriving from Argentina where it had been present since the end of the 19th century under the name of Bunge and Born. In the 1990s, the Bunge Brazil group had 127 independent firms. For this study we selected four of them, representing several sectors: wheat and milling (Moinho Fluminense); paints, varnishes and derivatives (Coral Paints); agribusiness and exports (Sanbra); textile and clothing industry (Santista Têxtil). Theoretically the text analyzes the authors who discuss the formation of economic groups in peripheral economies. The primary data were collected from the Bunge Memory Center in São Paulo and through interviews. As a preliminary conclusion, it can be said that Bunge has consolidated itself as an economic group while diversifying its activities and transforming some of its 127 companies into industrial conglomerates by having their own affiliates, and in turn forming other economic groups.
DOI: 10.6084/m9.figshare.7186688
title: A new “extreme” type of mantis shrimp larva

description: Abstract Mantis shrimps are prominent predatory crustaceans. Their larvae, although morphologically very differently-appearing from their adult counterparts, are already predators; yet, unlike the adults they are not benthic. Instead they are part of the plankton preying on other planktic organisms. Similar to some types of lobsters and crab-like crustaceans the planktic larvae of mantis shrimps can grow quite large, reaching into the centimeter range. Nonetheless, our knowledge on mantis shrimp larvae is still rather limited. Recently new types of giant mantis shrimp larvae with “extreme morphologies” have been reported. Here we describe another type that qualifies to be called “extreme”. Comparative measurements of certain morphological structures on selected known larvae support the exceptionality of the new specimen. It differs in several aspects from the original four types of extreme mantis shrimp larvae described by C. Haug et al. (2016). With this fifth type we expand the known morphological diversity of mantis shrimp larvae and also contribute to our still very incomplete, although growing, knowledge of this life phase.