Effects of dietary β-glucans on the productive performance, blood parameters, and intestinal microbiota of angelfish (Pterophyllum scalare) juveniles
An Acad Bras Cienc. 2024 Mar 4;96(1):e20231006. doi: 10.1590/0001-3765202420231006. eCollection 2024.ABSTRACTAmong the potential feed additives, β-glucans are known to positively affect the growth performance, blood parameters, and intestinal microbiota of fish, even the ornamental species. Therefore, the present study evaluated the effects of the dietary supplementation of different Saccharomyces cerevisiae β-glucans concentrations (0, 0.05, 0.1, and 0.2%) in juvenile angelfish (Pterophyllum scalare) over a 42-day period. Regarding growth performance, no effects were observed on most parameters. However, 0.2% β-glucans...
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Ed C S DE Lima Felipe P DE Souza P âmela Juliana Furlan-Murari Victor C ésar F Pandolfi Nat ália G Leite Raffaella M Mainardi Roberta T Chideroli Ulisses P Pereira Eduardo Jos é A Araújo Andr éia Carla E Pupim Jo ão Fernando A Koch Nelson Mauricio Source Type: research
Patentometric analysis of the technological development of biotechnology for health in higher education institutions in Rio Grande do Sul
This study aimed to characterize the technological development of biotechnology in the healthcare sector in the state of Rio Grande do Sul, Brazil, from 2016 to 2022 by analyzing patents filed by and granted to public and private Higher Education institutions. For data collection, a quantitative exploratory approach was employed using statistical methods and a patent analysis of institutions in the patent database of the Brazilian National Institute of Industrial Property (INPI), focusing on patents related to the healthcare field. Data were collected in October, November, and December. A total of 580 patent records were c...
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: C ássia Regina A Mendes Emelin Pappen Adelaide Maria C Baeta William B Domingues Eduardo N Dellagostin Vinicius F Campos Lu ís Fernando S M Timmers M árcia Ines Goettert Jo ão Antonio P Henriques Source Type: research
Distribution of Badhamiopsis and Badhamia (Physaraceae, Myxomycetes) in brazilian Biomes
An Acad Bras Cienc. 2024 Mar 1;96(1):e20220698. doi: 10.1590/0001-3765202420220698. eCollection 2024.ABSTRACTThe family Physaraceae (Physarales, Myxomycetes) is represented in Brazil by eight genera and 75 species. Based on data obtained from the GBIF, SpeciesLink, Flora and Funga do Brasil platforms, collections from the IPA and URM Herbaria and material collected since 1960 deposited in the UFP Herbarium, the microhabitats and distribution of Badhamiopsis (1sp.) and Badhamia (10 spp.) in Brazilian biomes are commented. An identification key for the species and the first report of B. melanospora from the state of Paraíba...
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Virton Rodrigo T DE Oliveira David Í Barbosa Laise H Cavalcanti Source Type: research
Blood cell alterations in Colossoma macropomum juveniles caused by silver nanoparticles
This study evaluated the median lethal concentration of silver nanoparticles and their effects in fish tambaqui Colossoma macropomum. Therefore, an acute toxicity assay was carried out in completely randomized design evaluating six different concentrations of silver nanoparticles on blood parameters of tambaqui. The silver nanoparticles were produced by chemical reduction with polyvinyl alcohol (AgNP-PVA). The lethal concentration 50% (LC50) was estimated using probit regression. The blood was collected, analyzed and the data were submitted to T-test (dying x surviving fish) and Tukey test (surviving fish). An increase in ...
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Juliana O Meneses Fernanda Dos Santos Cunha Joel Artur R Dias Natalino DA Costa Sousa M árcia Valéria S DO Couto Ana Fl ávia S DA Cunha Peterson Emmanuel G Paix ão Higo A Abe Victor Ruan S Nascimento Juliana C Cardoso Luiz P DA Costa Rodrigo Y Fujimot Source Type: research
Clustering honey samples with unsupervised machine learning methods using FTIR data
This study utilizes Fourier transform infrared (FTIR) data from honey samples to cluster and categorize them based on their spectral characteristics. The aim is to group similar samples together, revealing patterns and aiding in classification. The process begins by determining the number of clusters using the elbow method, resulting in five distinct clusters. Principal Component Analysis (PCA) is then applied to reduce the dataset's dimensionality by capturing its significant variances. Hierarchical Cluster Analysis (HCA) further refines the sample clusters. 20% of the data, representing identified clusters, is randomly s...
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Fatih Mehmet Avcu Source Type: research
Fostering Global Collaboration of Young Scientists
An Acad Bras Cienc. 2024 Mar 1;96(1):e20230995. doi: 10.1590/0001-3765202420230995. eCollection 2024.NO ABSTRACTPMID:38451626 | DOI:10.1590/0001-3765202420230995 (Source: An Acad Bras Cienc)
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Luisa Maria Diele-Viegas Daniel L DE Castro Matheus Grahl Thiago Henrique Roza Gustavo R Gameiro Pedro Henrique Gonz ález Source Type: research
Intraoperative thermal mapping of mammary tumors in dogs
In this study, videothermometry's application in detecting mammary tumors in dogs is explored in-depth. The research hypothesizes that this technique can effectively identify cancerous tissues during surgery by analyzing thermal patterns. The methodology involved comparing thermal imaging results from dogs with palpable mammary nodules against a control group, focusing on capturing real-time thermal patterns. Results were significant, showing distinct thermal patterns in carcinomas. This indicates videothermometry's capability in accurately identifying micro metastases and differentiating between neoplastic and non-neoplas...
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Silvia Maria R Cadena Paula G A Cabral Scarlath O P Dos Santos Jos é Edgard O Alves Hassan J Leandro Marcelo B Dos Santos J únior Saulo Jos é Q Silva Mariana S Ribeiro Livia G Amaral Jussara P Sheffer S ávio B DE Souza Fernanda Antunes Andr é L A Oli Source Type: research
Meat quality of pigs fed grape pomace in different production systems
An Acad Bras Cienc. 2024 Mar 4;96(1):e20220610. doi: 10.1590/0001-3765202320220610. eCollection 2024.ABSTRACTThe main objective of this study was to evaluate the effects of supplementation the diet of pigs with grape pomace preserved in silage form (GPS) and its interaction with indoor and outdoor production systems, with and without access to vegetation, on the attributes of meat quality produced. Analyzes of proximal composition, cholesterol content, fatty acid profile, shear force, texture profile and sensory analysis were performed. During cold storage, oxidative stability and objective color were analyzed. Statistical...
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Caroline Dos Santos Giuliani Adriano G Rosado J únior Ana L úcia S S Mateus Patr ícia A F DA Fonseca Renata B Falk Suslin R Thiel Yasmim S V Le ães Fabiani DA Rocha Ebling Roger Wagner Jos é Laerte Nörnberg Source Type: research
Evaluation of the supply of Duddingtonia flagrans for the control of gastrointestinal parasites in sheep
In this study, two experiments were conducted supplying Duddingtonia flagrans aiming to evaluate the biological control of parasites in sheep. In the first, 24 sheep naturally infected by gastrointestinal nematodes were allocated, in randomized blocks, following the treatments: control or treated group, 0.5g/animal product containing D. flagrans, chlamydospores. Weight, body score, Famacha©, egg count per gram of feces (EPG), and larval percentage were evaluated. In the second experiment, D. flagrans (0.25 and 0.5g product) was infested with manure, plus or not protein concentrate, in a completely randomized design. In bo...
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Gustavo Delmilho Elisabeth Bohland Nicole Stephanie Claudia C P DE Vaz Leyla R DE Alvarez Ricardo L D DA Costa Source Type: research
Genetic parameters for visual scores, growth and carcass traits in Nellore Cattle
This study aimed to estimate the genetic parameters for visual scores, growth (pre and post-weaning weights), and carcass (rib eye area (REA), back and rump fat thickness) traits in Nellore cattle using Bayesian inference. Data from 12,060 animals belonging to the HoRa Hofig Ramos herd were used. Morphological traits were evaluated by the MERCOS methodology. The heritability estimates obtained ranged from low to high magnitude, from 0.15 to 0.28 for visual scores, 0.13 to 0.44 for growth, and from 0.42 to 0.46 for carcass traits. Genetic correlations between visual scores and growth traits were generally of moderate to hig...
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Byanka B Soares Ludmilla C Brunes Fernando Sebastian Baldi Adriana S DO Carmo Let ícia S Pereira Rafael A Carvalho Marcelo G Narciso Sabrina T Amorim Roberto Daniel Sainz Cl áudio U Magnabosco Source Type: research
Bone-marrow mononuclear cells and acellular human amniotic membrane improve global cardiac function without inhibition of the NLRP3 Inflammasome in a rat model of heart failure
This study evaluated the effects of bone-marrow mononuclear cells (BMMC) and acellular human amniotic membrane (AHAM) on cardiac function and NLRP3 complex in a rat model of heart failure.On the 30th day,the echocardiographic showed improvements on ejection fraction and decreased pathological ventricular remodeling on BMMC and AHAM groups.Oxidative stress analysis was similar between the three groups,and the NLRP3 inflammasome activity were not decreased with the therapeutic use of both BMMC and AHAM,in comparison to the control group.PMID:38451595 | DOI:10.1590/0001-3765202420230053 (Source: An Acad Bras Cienc)
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Aline L Takejima Paulo Andr é B Machado-Júnior Gustavo G Blume Rossana Baggio Simeoni Julio Cesar Francisco Murilo S Tonial Luis Felipe B Marqueze Lucia Noronha Marcia Olandoski Eltyeb Abdelwahid Katherine A T DE Carvalho Ricardo A Pinho Luiz C ésar Gu Source Type: research
Isoetes candelariensis, a new species of Isoetaceae (Lycopodiidae) from Argentina
An Acad Bras Cienc. 2024 Mar 4;96(1):e20230087. doi: 10.1590/0001-3765202420230087. eCollection 2024.ABSTRACTIsoetes candelariensis is a new species of Isoetaceae from Misiones, Argentina. This species is ephemeral, and grows on basaltic bedrock outcrop pools, in Urutau Reserve from Candelaria Department. This taxon differs from other aquatic Isoetes in this region by the unique combination of characters of its leaves, ligule, labium and megaspore ornamentation.PMID:38451596 | DOI:10.1590/0001-3765202420230087 (Source: An Acad Bras Cienc)
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Carmen C Macluf Gonzalo J Marquez H éctor A Keller Marcela A Quetglas Source Type: research
A Bibliometric Analysis of Geosmin Removal and Treatment Technologies using Web of Science Database and VOSviewer
An Acad Bras Cienc. 2024 Mar 4;96(1):e20230145. doi: 10.1590/0001-3765202420230145. eCollection 2024.ABSTRACTIn the last few years, the presence of geosmin (GEO) in water bodies has caused serious problems related to water consumption by the population. Many studies focus on its occurrence and detection, but little is discussed about the technologies for treatment and removal of this contaminant. In this way, the present work aims to present a bibliographic search and a bibliometric analysis carried out in the Web of Science database and in VOSviewer software about geosmin remediation, in the last 10 years. 100 articles we...
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Bruna DE Lemos Novo Fernanda A N G DA Silva Luiz Carlos Bertolino Lidia Yokoyama Source Type: research
Lack of country-wide systematic herpetology collections in Portugal jeopardizes future research and conservation
An Acad Bras Cienc. 2024 Mar 4;96(1):e20230622. doi: 10.1590/0001-3765202420230622. eCollection 2024.ABSTRACTNatural History Collections (NHCs) represent the world's largest repositories of long-term biodiversity datasets. Specimen collection and voucher deposition has been the backbone of NHCs since their inception, but recent decades have seen a drastic decline in rates of growth via active collecting. Amphibians and reptiles are amongst the most threatened zoological groups on the planet and are historically underrepresented in most worldwide NHCs. As part of an ongoing project to review the Portuguese zoological collec...
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Bruna S Santos Mariana P Marques Luis M P Cer íaco Source Type: research
Effects of dietary β-glucans on the productive performance, blood parameters, and intestinal microbiota of angelfish (Pterophyllum scalare) juveniles
An Acad Bras Cienc. 2024 Mar 4;96(1):e20231006. doi: 10.1590/0001-3765202420231006. eCollection 2024.ABSTRACTAmong the potential feed additives, β-glucans are known to positively affect the growth performance, blood parameters, and intestinal microbiota of fish, even the ornamental species. Therefore, the present study evaluated the effects of the dietary supplementation of different Saccharomyces cerevisiae β-glucans concentrations (0, 0.05, 0.1, and 0.2%) in juvenile angelfish (Pterophyllum scalare) over a 42-day period. Regarding growth performance, no effects were observed on most parameters. However, 0.2% β-glucans...
Source: An Acad Bras Cienc - March 7, 2024 Category: Science Authors: Ed C S DE Lima Felipe P DE Souza P âmela Juliana Furlan-Murari Victor C ésar F Pandolfi Nat ália G Leite Raffaella M Mainardi Roberta T Chideroli Ulisses P Pereira Eduardo Jos é A Araújo Andr éia Carla E Pupim Jo ão Fernando A Koch Nelson Mauricio Source Type: research
