cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.6084/m9.figshare.5696227.v1
title: Efficient degradation of solid yeast biomass from ethanol industry by Fenton and UV-Fenton processes applying multivariate analysis

description: Abstract Organic agro-industrial residues have been successfully used as biosorbents and promoting new uses from agricultural wastes benefits the economy. However, the allocation of a solid waste biosorbent after the sorption of contaminants has limited their effective application on a large scale as an alternative treatment of water and wastewaters. One solution could be degradation to convert the biosorbent material and adsorbed organic contaminants into environmental friendly compounds suitable for discharge. This study used an experimental design to evaluate the Fenton degradation of yeast biomass (YB) from the alcohol industry as a potential biosorbent. The efficiency of degradation was monitored according to the degraded mass (DM) and total organic carbon (TOC) remaining in the solution. The ANOVA showed an error of 9.7% for the effects and the media of interaction for the employed model for DM. Conducting the experiments with the best-predicted conditions (60 min, 25 g of YB, pH 3, 8,000 mg L-1 H2O2 and 40 mg L-1 Fe2+) with 30 W UV irradiation resulted in a YB reduction of 72 ( 2% with a TOC of 30 ( 2%. This suggests that an advanced oxidative process is an alternative for degradation of a biosorbent after sorption.
DOI: 10.6084/m9.figshare.7516364
title: Preservative Treatment of Two Bamboo Species by Long-Term Immersion and Modified Boucherie

description: This study aimed to evaluate the quality of preservative treatment of Bambusa vulgaris and Dendrocalamus giganteus bamboo species employing two treatment methods. The bamboos were collected in clumps in the municipalities of Alegre and Jerônimo Monteiro, southern of Espírito Santo State, Brazil. The stems were sectioned in 2.0 m-long culms and treated in solutions with 1 and 3% of the active ingredients (a.i.) of a product based on copper, chromium and boron (CCB). In the long-term immersion method, the culms were immersed in the solution for 5, 10 and 15 days. In the modified Boucherie method, the solution penetrated the bamboo species using a pressure of 0.7 MPa. Treatment quality was evaluated by means of penetration and retention of CCB in the culms. There was greater penetration of a.i. at the base of the culms, and retention was below recommendation according to the Brazilian standards for wood treatment.
DOI: 10.6084/m9.figshare.7518611
title: Crustaceans as indicators of biotic integrity of a coastal estuarine area of Santa Catarina, Brazil

description: Numerous methods are used to calculate indices of biotic integrity (IBI) in different regions of the world. The objective of this study was to determine the variation of the environmental quality of a coastal estuary of Santa Catarina State, based on the IBI calculation, using the data of the area's crustacean community as parameters. The data were collected by several authors for the period 2000 to 2005 and compared with the data obtained in this study for the years 2012 to 2013, using the same methods of the previous collections. To calculate the IBI, 14 attributes inherent to local crustaceans were chosen and four categories of biotic integrity (very poor, poor, regular and good) were defined. The values of IBI were calculated for each period and classified into different categories to distinguish their temporal variations. The values obtained ranged over the sample period, being higher in 2000-2001, resulting in an value equivalent to the regular category, changing to poor in 2001-2003, regular between 2003-2004, poor between 2004-2005 and regressing to the regular category in 2012-2013. The values of IBI found for the "Saco da Fazenda" region reflect the instability of the area, which is characteristic of estuarine environments when evaluated on time scales.
DOI: 10.6084/m9.figshare.7518611.v1
title: Crustaceans as indicators of biotic integrity of a coastal estuarine area of Santa Catarina, Brazil

description: Numerous methods are used to calculate indices of biotic integrity (IBI) in different regions of the world. The objective of this study was to determine the variation of the environmental quality of a coastal estuary of Santa Catarina State, based on the IBI calculation, using the data of the area's crustacean community as parameters. The data were collected by several authors for the period 2000 to 2005 and compared with the data obtained in this study for the years 2012 to 2013, using the same methods of the previous collections. To calculate the IBI, 14 attributes inherent to local crustaceans were chosen and four categories of biotic integrity (very poor, poor, regular and good) were defined. The values of IBI were calculated for each period and classified into different categories to distinguish their temporal variations. The values obtained ranged over the sample period, being higher in 2000-2001, resulting in an value equivalent to the regular category, changing to poor in 2001-2003, regular between 2003-2004, poor between 2004-2005 and regressing to the regular category in 2012-2013. The values of IBI found for the "Saco da Fazenda" region reflect the instability of the area, which is characteristic of estuarine environments when evaluated on time scales.
DOI: 10.6084/m9.figshare.7516364.v1
title: Preservative Treatment of Two Bamboo Species by Long-Term Immersion and Modified Boucherie

description: This study aimed to evaluate the quality of preservative treatment of Bambusa vulgaris and Dendrocalamus giganteus bamboo species employing two treatment methods. The bamboos were collected in clumps in the municipalities of Alegre and Jerônimo Monteiro, southern of Espírito Santo State, Brazil. The stems were sectioned in 2.0 m-long culms and treated in solutions with 1 and 3% of the active ingredients (a.i.) of a product based on copper, chromium and boron (CCB). In the long-term immersion method, the culms were immersed in the solution for 5, 10 and 15 days. In the modified Boucherie method, the solution penetrated the bamboo species using a pressure of 0.7 MPa. Treatment quality was evaluated by means of penetration and retention of CCB in the culms. There was greater penetration of a.i. at the base of the culms, and retention was below recommendation according to the Brazilian standards for wood treatment.
DOI: 10.6084/m9.figshare.5696227
title: Efficient degradation of solid yeast biomass from ethanol industry by Fenton and UV-Fenton processes applying multivariate analysis

description: Abstract Organic agro-industrial residues have been successfully used as biosorbents and promoting new uses from agricultural wastes benefits the economy. However, the allocation of a solid waste biosorbent after the sorption of contaminants has limited their effective application on a large scale as an alternative treatment of water and wastewaters. One solution could be degradation to convert the biosorbent material and adsorbed organic contaminants into environmental friendly compounds suitable for discharge. This study used an experimental design to evaluate the Fenton degradation of yeast biomass (YB) from the alcohol industry as a potential biosorbent. The efficiency of degradation was monitored according to the degraded mass (DM) and total organic carbon (TOC) remaining in the solution. The ANOVA showed an error of 9.7% for the effects and the media of interaction for the employed model for DM. Conducting the experiments with the best-predicted conditions (60 min, 25 g of YB, pH 3, 8,000 mg L-1 H2O2 and 40 mg L-1 Fe2+) with 30 W UV irradiation resulted in a YB reduction of 72 ( 2% with a TOC of 30 ( 2%. This suggests that an advanced oxidative process is an alternative for degradation of a biosorbent after sorption.
DOI: 10.6084/m9.figshare.5861130
title: Performance and carcass traits of Santa Ines pure lambs and crosses with Dorper finished in feedlot

description: SUMMARY This study evaluated the performance and carcass traits of Santa Ines sheep and crosses weaned at 75 days old and finished in feedlot. Thirty uncastrated sheep, 10 Santa Ines, 10 ½Dorper × ½Santa Ines, and 10 ¾Dorper × ¼Santa Ines were used. The sheep were 82 days old average and 19.40 kg average initial weight. The diet used contained 169.0 g/kg crude protein and 2.80 Mcal/kg DM. No effect of genotype was observed on the performance of lambs, except for the higher final body condition scores achieved by the Dorper crossbreds. The carcasses of the ½Dorper × ½Santa Ines and ¾Dorper × ¼Santa Ines crossbreds lambs had greater rump and loin eye area and higher loin percentage compared to Santa Ines. Carcasses of ¾Dorper × ¼Santa Ines crossbreds lambs had greater chest and anterior width compared to Santa Ines and better carcass conformation and finish compared to other genotypes. Furthermore, the carcasses of Santa Ines and ½Dorper × ½Santa Ines lambs had higher neck percentage compared to carcasses of ¾Dorper × ¼Santa Ines.
DOI: 10.6084/m9.figshare.7515446
title: Testing electrode suitability for field stimulation of high-threshold biological preparations

description: IntroductionA problem posed by electrical field (E) stimulation of biological preparations with high excitation threshold is that the E intensity required for excitation is likely to induce water electrolysis at the electrode surface, which can alter the extracellular medium and cause deleterious effects on the cells. In this study, different electrode materials and geometries were tested aiming at identifying electrode configurations that could transduce the E intensity required for exciting ventricular cardiomyocytes isolated from neonatal rats (threshold E ~30 V/cm) without causing water electrolysis.MethodsWire and plate electrodes made of platinum, stainless steel and nickel/chrome alloy were used. The effect of blasting the electrode surface with sand and NaHCO3 solution was also tested. Electrodes were inserted into a cell perfusion chamber containing the saline solution routinely used for physiological experiments. During E application for 5 min, the electrode surface and its surroundings were examined at high magnification for the presence of microbubbles, which indicates the occurrence of water electrolysis. The greatest E intensity applied that failed to generate microbubbles (En) was estimated.ResultsWhile nickel/chrome and stainless steel electrodes resulted in low En values, the best performance was observed for sandblasted platinum wire (2 mm diameter) and plate (25 mm x 5 mm; 0.1 mm thickness) electrodes, for which Enwas ≥40 V/cm.ConclusionThese electrode configurations are suitable for effective and safe stimulation of isolated neonatal cardiomyocytes.
DOI: 10.6084/m9.figshare.7515446.v1
title: Testing electrode suitability for field stimulation of high-threshold biological preparations

description: IntroductionA problem posed by electrical field (E) stimulation of biological preparations with high excitation threshold is that the E intensity required for excitation is likely to induce water electrolysis at the electrode surface, which can alter the extracellular medium and cause deleterious effects on the cells. In this study, different electrode materials and geometries were tested aiming at identifying electrode configurations that could transduce the E intensity required for exciting ventricular cardiomyocytes isolated from neonatal rats (threshold E ~30 V/cm) without causing water electrolysis.MethodsWire and plate electrodes made of platinum, stainless steel and nickel/chrome alloy were used. The effect of blasting the electrode surface with sand and NaHCO3 solution was also tested. Electrodes were inserted into a cell perfusion chamber containing the saline solution routinely used for physiological experiments. During E application for 5 min, the electrode surface and its surroundings were examined at high magnification for the presence of microbubbles, which indicates the occurrence of water electrolysis. The greatest E intensity applied that failed to generate microbubbles (En) was estimated.ResultsWhile nickel/chrome and stainless steel electrodes resulted in low En values, the best performance was observed for sandblasted platinum wire (2 mm diameter) and plate (25 mm x 5 mm; 0.1 mm thickness) electrodes, for which Enwas ≥40 V/cm.ConclusionThese electrode configurations are suitable for effective and safe stimulation of isolated neonatal cardiomyocytes.
DOI: 10.6084/m9.figshare.7515479.v1
title: Conventional PCR for detection of Corynespora cassiicola in soybean seeds

description: Abstract The fungus Corynespora cassiicola, causal agent of target spot in soybeans, can be transmitted by soybean seeds and as of that point cause severe damage. This disease may be diagnosed at an early stage by seed testing, but knowledge in this area is insufficient. Because of that and increased attack by the disease in soybean areas in Brazil, further studies are required. The aim of this study was to evaluate the use of conventional PCR in detecting C. cassiicola in soybean seeds. The GA4-F/GA4-R primers described in the literature were tested for their specificity and sensitivity for detection of C. cassiicola in pure culture and in soybean seeds. Uninoculated and inoculated seed samples were used with different incidence levels - 100%, 10%, 1%, 0.5%, 0.25%, and 0% of preestablished inoculum potentials, P0, P1, P2, and P3. Detection of C. cassiicola in P1 inoculum potential was observed in samples with incidence levels of 10% to 100%. In the P3 potential, detection of the pathogen was successful in samples at the low level of 0.25%.
DOI: 10.6084/m9.figshare.5861130.v1
title: Performance and carcass traits of Santa Ines pure lambs and crosses with Dorper finished in feedlot

description: SUMMARY This study evaluated the performance and carcass traits of Santa Ines sheep and crosses weaned at 75 days old and finished in feedlot. Thirty uncastrated sheep, 10 Santa Ines, 10 ½Dorper × ½Santa Ines, and 10 ¾Dorper × ¼Santa Ines were used. The sheep were 82 days old average and 19.40 kg average initial weight. The diet used contained 169.0 g/kg crude protein and 2.80 Mcal/kg DM. No effect of genotype was observed on the performance of lambs, except for the higher final body condition scores achieved by the Dorper crossbreds. The carcasses of the ½Dorper × ½Santa Ines and ¾Dorper × ¼Santa Ines crossbreds lambs had greater rump and loin eye area and higher loin percentage compared to Santa Ines. Carcasses of ¾Dorper × ¼Santa Ines crossbreds lambs had greater chest and anterior width compared to Santa Ines and better carcass conformation and finish compared to other genotypes. Furthermore, the carcasses of Santa Ines and ½Dorper × ½Santa Ines lambs had higher neck percentage compared to carcasses of ¾Dorper × ¼Santa Ines.
DOI: 10.6084/m9.figshare.7515479
title: Conventional PCR for detection of Corynespora cassiicola in soybean seeds

description: Abstract The fungus Corynespora cassiicola, causal agent of target spot in soybeans, can be transmitted by soybean seeds and as of that point cause severe damage. This disease may be diagnosed at an early stage by seed testing, but knowledge in this area is insufficient. Because of that and increased attack by the disease in soybean areas in Brazil, further studies are required. The aim of this study was to evaluate the use of conventional PCR in detecting C. cassiicola in soybean seeds. The GA4-F/GA4-R primers described in the literature were tested for their specificity and sensitivity for detection of C. cassiicola in pure culture and in soybean seeds. Uninoculated and inoculated seed samples were used with different incidence levels - 100%, 10%, 1%, 0.5%, 0.25%, and 0% of preestablished inoculum potentials, P0, P1, P2, and P3. Detection of C. cassiicola in P1 inoculum potential was observed in samples with incidence levels of 10% to 100%. In the P3 potential, detection of the pathogen was successful in samples at the low level of 0.25%.
DOI: 10.6084/m9.figshare.7507922
title: The Effect of Trust in the Intention to Use m-banking

description: ABSTRACT Despite the alleged benefits of m-banking, its acceptance has been short of industry expectations. One plausible explanation may be consumers' initial lack of trust in available services. The objective of the study is to investigate the effect of trust in the intention to use m-banking in the Brazilian context, specifically among users of the city of Rio de Janeiro. Therefore, we developed and tested a model that relates trust and its antecedents (familiarity, ease of use, perceived usefulness, safety, privacy and innovativeness) with the intention to use m-banking. We got a sample of 272 users of financial mobile apps and through structural equation modeling the hypotheses were tested. The results confirmed most of the proposed hypotheses, and we found significant relationships between the construct trust and other constructs, which significantly influence the intended use of banking services via m-banking.
DOI: 10.6084/m9.figshare.6967997.v1
title: Authorial Commutation and the Problematic about the Unit “Author-Work” in the Comics

description: Abstract: This article aims to discuss the notion of Author and Work as correlates and their insertion into a problematic of unity between these notions, in a perspective based on Foucault (2008, 2009). From Maingueneau (2006) and Bourdieu (1996), the Comics are taken, in this article, as a relatively autonomous institution that engenders a field of activities, the Comics field, in which agents positioned as authors, mediators and readers act in the elaboration, sustentation and legitimation of the Author's names. The discussion about the Author-Work unit is based on the author's commutability present in the Comics. Author's commutation is the process by which comics works are produced by different authors, interchangeable in other works and with diverse roles, such as writer, artists, colorist, among others. The discussion points to the difficulties in defining the functioning of authorship (the author function) in the Comics due to the non-unity between Author and Work, characteristic of this institution.
DOI: 10.6084/m9.figshare.7507922.v1
title: The Effect of Trust in the Intention to Use m-banking

description: ABSTRACT Despite the alleged benefits of m-banking, its acceptance has been short of industry expectations. One plausible explanation may be consumers' initial lack of trust in available services. The objective of the study is to investigate the effect of trust in the intention to use m-banking in the Brazilian context, specifically among users of the city of Rio de Janeiro. Therefore, we developed and tested a model that relates trust and its antecedents (familiarity, ease of use, perceived usefulness, safety, privacy and innovativeness) with the intention to use m-banking. We got a sample of 272 users of financial mobile apps and through structural equation modeling the hypotheses were tested. The results confirmed most of the proposed hypotheses, and we found significant relationships between the construct trust and other constructs, which significantly influence the intended use of banking services via m-banking.
DOI: 10.6084/m9.figshare.6967997
title: Authorial Commutation and the Problematic about the Unit “Author-Work” in the Comics

description: Abstract: This article aims to discuss the notion of Author and Work as correlates and their insertion into a problematic of unity between these notions, in a perspective based on Foucault (2008, 2009). From Maingueneau (2006) and Bourdieu (1996), the Comics are taken, in this article, as a relatively autonomous institution that engenders a field of activities, the Comics field, in which agents positioned as authors, mediators and readers act in the elaboration, sustentation and legitimation of the Author's names. The discussion about the Author-Work unit is based on the author's commutability present in the Comics. Author's commutation is the process by which comics works are produced by different authors, interchangeable in other works and with diverse roles, such as writer, artists, colorist, among others. The discussion points to the difficulties in defining the functioning of authorship (the author function) in the Comics due to the non-unity between Author and Work, characteristic of this institution.
DOI: 10.6084/m9.figshare.7508126
title: Land Use and Land Cover Changes in the Sergipe Semiarid Region

description: This study performed a temporal analysis of the land use and coverage in the semiarid region of Sergipe. We used Landsat-5 TM and Landsat-8 OLI satellite images acquired in 1992, 2003 and 2013. The maximum likelihood algorithm was used to detect six classes of land use and land coverage. We used a high spatial resolution Spot-5 scene as reference data to validate the assigned land use and coverage classification. Our results indicate that deforestation of native vegetation increased approximately 26% in the study area. The Caatinga vegetation was the most impacted, mostly converted to pastureland. In addition, it was observed that the deforestation increase in the study area negatively affected the preserved Caatinga secondary regrowth.
DOI: 10.6084/m9.figshare.7508126.v1
title: Land Use and Land Cover Changes in the Sergipe Semiarid Region

description: This study performed a temporal analysis of the land use and coverage in the semiarid region of Sergipe. We used Landsat-5 TM and Landsat-8 OLI satellite images acquired in 1992, 2003 and 2013. The maximum likelihood algorithm was used to detect six classes of land use and land coverage. We used a high spatial resolution Spot-5 scene as reference data to validate the assigned land use and coverage classification. Our results indicate that deforestation of native vegetation increased approximately 26% in the study area. The Caatinga vegetation was the most impacted, mostly converted to pastureland. In addition, it was observed that the deforestation increase in the study area negatively affected the preserved Caatinga secondary regrowth.
DOI: 10.6084/m9.figshare.7516736
title: A flexible multichannel FPGA and PC-Based ultrasound system for medical imaging research: initial phantom experiments

description: IntroductionIn this paper, we present the initial results of a fully programmable 128-channel FPGA and PC-based system that has been developed for medical ultrasound (US) imaging research in our University laboratory (Federal University of Technology - Paraná, Brazil).MethodsIn order to demonstrate the feasibility of the US research system, two applications involving unfocused plane wave transmission and conventional B-mode beamforming were evaluated using a commercial tissue-mimicking phantom and a 3.2 MHz 128-element convex array transducer.ResultsTesting results show that the hardware platform is able to synthesize arbitrary pulses up to 100 Vpp with second order harmonic distortion below 80 dB. For the first application, a 41-tap digital FIR bandpass filter was applied to the acquired RF echoes, sampled at 40 MHz with 12-bit resolution, to improve the noise suppression. In the second application, after offline apodization weighting, filtering, delay-and-sum processing, envelope detection, log compression and scan conversion, the reconstructed B-mode image is displayed over a 50 dB range.DiscussionThe presented results indicate that the open US imaging system can be used to support different ultrasonic transmission and reception strategies, which typically cannot be implemented in conventional data flow architectures that are mainly based on hardware.