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Cotton productivity enhanced through transplanting and early sowing

Abstract: Due to high temperatures in arid regions, cotton crop emergence and early establishment of seedlings are adversely affected. Field studies were undertaken to quantify the effects of transplantation of cotton (Gossypium hirsutum L.) seedlings during the early

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Floristic composition of the Seasonal Semideciduous Forest in Southern Brazil: Reserva Biológica das Perobas, State of Paraná

Abstract: This study catalogued the vascular species found in the second largest continuous remnant of Seasonal Semideciduous Forest in the State of Paraná. A total of 425 species distributed among 295 genera and 101 families were identified. The most representative fa

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The application of polyamines and self-incompatibility control substance on yield indices and qualitative traits of apple cv ‘Red Delicious’

Abstract: Among the main problems of some temperate fruit species, such as the apple tree (Malus domestica), are the poor set of fruits and low production. Polyamines and Self-Incompatibility Control Substances (SICS), involving mineral nutrients such as manganese and

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Determination of endogenous IAA and carbohydrates during the induction and development of protocorm-like bodies of Cattleya tigrina A. Richard

Abstract: Tissue culture techniques have been employed for orchid mass propagation by means of the morphogenetic route of protocorm like-bodies (PLBs). This study aimed to analyze and compare Indole-acetic acid (IAA) and sugar endogenous levels in protocorm-like bodies

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Presence of parasitic structures in lettuces served in self-service restaurants of São Miguel do Oeste, Santa Catarina State, Brazil

Abstract: Consuming raw food like lettuce may carry protozoa cysts and helminth eggs, causing parasitic infections. Therefore, the parasitological analysis of this type of food it’s important for public health because it provides data o

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Soil nutrient content and plant phytosociology in agroforestry systems of the Rio de Janeiro State highlands, Brazil

Abstract: This study aimed to evaluate soil fertility and the horizontal structure of three demonstration units of Agroforestry Systems (ASs), Sapucaia, RJ, Brazil. Twenty-four plots (25 m2) were delineated in each AS. Soil fertility was evaluated through pH, organic c

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The physicochemical properties of fruits and seed germination of Campomanesia aurea O. Berg

Abstract: Campomanesia aurea is a potentially ornamental native fruit shrub. There are no studies on the seed germination capacity and fruit properties of the species. Therefore, the main goal of this paper was to describe the seed germination and the physical and chem

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Spatial distribution pattern and diameter structure of Protium Burm. f. in Iratapuru river sustainable development reserve, Amapá, Brazil

Abstract: The present work aims to determine the spatial distribution pattern of Protium Burm. f and the diametric structure of these species in a dense tropical submontane rainforest along the Sustainable Development Reserve (SDR) of the Iratapuru river. The area of s

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Extraction, physical-chemical characterization and in vitro inhibitory potential of thrombin generation of crude sulfated polysaccharides from Brazilian tropical seaweeds

Abstract: The biotechnological value of macroalgae for screening assays of thrombin generation-TG using sulfated polysaccharides-SPs as substitutes to heparin has been poorly explored. Five Brazilian species of macroalgae (Gracilaria birdiae, Acanthophora muscoides, Ha

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Induced CYP1A activity and DNA damage in fish from the middle Paraíba do Sul River basin, southeastern Brazil

Abstract: The Paraíba do Sul River (PSR) drainage basin in Southeastern Brazil covers one of the most industrialized and densely populated regions of the country. The impact of chemical contamination on the PSR basin seems to be more pronounced in its middle reach wher

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Enrichment of population density of a bacterial consortium during bioremediation of a soil under successive contaminations with diesel oil

Abstract: The effect of successive soil contamination with diesel oil was evaluated on population dynamics of a bacterial consortium (Acinetobacter baumannii LBBMA 04, Pseudomonas aeruginosa LBBMA 58, Ochrobactrum anthropi LBBMA 88b, Acinetobacter baumannii LBBMAES11,

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Larvicidal, cytotoxic and genotoxic effects of aqueous leaf extract of Jatropha mollissima (Pohl) Baill

Abstract: The present study aimed to evaluate the larvicidal effect of aqueous leaf extract from Jatropha mollissima on the larvae of Aedes aegypti and analyze its cytotoxic and genotoxic activity in the Allium cepa test. Larvae of the mosquito were exposed to the nega

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Histochemical analysis of stem and fiber of ramie (Boehmeria nivea (L.) Gaud var. Murakami)

Abstract: Analyzes of samples of stem and fiber Boehmeria nivea var. Murakami were performed to increase information on the plant and disseminate its multiple possibilities of use. The histochemical analyzes with dyes and reagents showed the presence of lignified, sube

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Traditional knowledge and variations in capture techniques used for blue land crab (Cardisoma guanhumi, L. 1825) along the coast of Paraíba, Brazil

Abstract: The Mamanguape estuary, located in the Paraíba State (Brazil), hosts many traditional fishing communities and Amerindian villages whose use of the regional natural resources is fundamental to their cultural and physical survival. The aim was to register the t

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Isolation of Saprolegnia aenigmatica oomycetes and protocol for experimental infection of pacu (Piaractus mesopotamicus)

Abstract: Successful disease treatment depends on molecular studies under indoor conditions with experimental infection protocols that facilitate understanding the disease and the drug`s efficacy. The internal transcribed spacer (ITS) region was sequenced from three is

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Germination and growth of Albizia niopoides (Bentham) Burkart (Fabaceae)

Abstract: Albizia niopoides (Bentham) Burkart, known as farinha seca, is an arboreal, deciduous and pioneer plant that can be found in the semi-deciduos forest in the Paraná basin. The study on the germination and growth of the plant is fundamental for better knowledge

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Regrowth age modifies the leaf anatomy of Brachiaria genotypes

Abstract: Changes in leaf anatomy were evaluated in genotypes of Brachiaria brizantha, Brachiaria decumbens, Brachiaria ruziziensis and three Brachiaria ruziziensis clones through tissue proportion in internerval and midrib regions at th

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Biodiversity and ecology of the parasitic infracommunities of Loricaria prolixa (Siluriformes: Loricariidae) from the Tietê-Batalha Basin, SP, Brazil

Abstract: The parasitic biodiversity of the Loricaria prolixa, an endemic fish from the Paraná and Prata basins was studied and analyzed the parasitic’s communities dynamics and their ecological relations with this host. Samples were collected in the Batalha River and

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Screening of an adapted culture medium composed by different carbon sources for heterotrophic cultivation of Chlorella vulgaris using a microplate assay

Abstract: The ability of microalgae to grow heterotrophically lies in the ability to oxidize organic compounds present in the external environment. The aim of this work was to evaluate the growth of Chlorella vulgaris under heterotrophic culture conditions using Basal

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Floristic-structural relationships between Canga ferruginous tree communities and adjacent vegetation types

Abstract: Our objective was to evaluate the floristic and structural relationships between Canga tree communities and other vegetation types inserted in the physiognomic units set, in order to test the hypothesis that these communities have unique characteristics due t

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Bioremediation of diesel/biodiesel contaminated sandy soil in microcosm: evaluation of fungal bioaugmentation and natural attenuation

Abstract: Biodiesel is a clean renewable fuel used as alternative energy source to diesel and it is commercialized as a minor component in diesel blends. Similarly to diesel, biodiesel spill is a source of contamination for the ecosystem making necessary to provide eff

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Effects of glutathione supplementation and carbon source during somatic embryogenesis of Acca sellowiana (O.Berg) Burret (Myrtaceae)

Abstract: The present study intended to investigate the effects of different glutathione (GSH) levels (0, 0.1, 0.5 and 1 mM) on the somatic embryogenesis (SE) induction of Acca sellowiana. Besides, we evaluated the effect of different carbon sources (sucrose and maltos

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Characterization of blueberry cultivar ‘climax’

Abstract: The objective of this work was to characterize the blueberry (Vaccinium spp.) cultivar Climax, Rabbiteye group (Vaccinium ashei Reade). In order to achieve that, a survey with blueberry plants (cultivar Climax), in full production, was conducted during the 20

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Fish parasite diversity in the Amambai river, State Mato Grosso do Sul, Brazil

Abstract: This study aimed to describe the diversity of fish parasites in the Amambai River, in the Mato Grosso do Sul State, and generate information to facilitate studies of the biotic integrity of the region. During the period of September 2015 and July 2015, 48 spe

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Species composition of testate amoebae in Lake Monte Alegre, Ribeirão Preto, SP, Brazil

Abstract: We aimed to perform the first survey of testate amoebae community composition in Lake Monte Alegre at São Paulo state, and contribute to mitigate the taxonomic impediment regarding the diversity of testate amoebae in Brazil. Samplings were performed in 20 sam

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Jatuarana fishing dynamics Brycon amazonicus (Spix & Agassiz, 1829) of the upper and middle Madeira River Basin

Abstract: The jatuarana (Brycon amazonicus), is an important species for the Madeira River commercial fisheries. The paper aims to characterize the jatuarana fishing dynamics in the middle Madeira River and test whether there are differences dowstreams and upstreams th

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Anatomical description of the salivary glands: parotid, mandibular and sublingual of the crab-eating-fox (Cerdocyon thous)

Abstract: Descriptive anatomical studies of wild animals are fundamental, since they provide subsidies for the elaboration of more adequate techniques of sustained management, contributing to the preservation of species threatened with extinction. Thus, the aim of the

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Seasonal and ontogenetic diet patterns of the freshwater pufferfish Colomesus asellus (Müller & Troschel, 1849) in the upper-middle Tocantins River

Abstract: We described the feeding habits of Colomesus asellus from riverbanks of the upper-middle Tocantins River, Central Brazil. Two sampling expeditions were carried out in August (dry season) and in October (rainy season) of 2013, downstream from the Lajeado Hydro

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Structure of understory bird communities in Atlantic Forest Remnants in Northeastern Brazil

Abstract: The Atlantic Forest in the State of Paraíba integrates the Pernambuco Center of Endemism. The present work investigated understory bird communities of three of its remnants using ten mist nets installed at eight different points of the forest understory of ea

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Leaf Anatomy of Xylopia aromatica (Lam.) Mart. (Annonaceae) occurring in a rocky savannah in the Brazilian Amazonian

Abstract: Savannas of the Amazon Region of Mato Grosso State have an unique ecological identity due to the complexity of the Cerrado-Amazon transition region, their geographical isolation and the physical-chemical properties of the soil. This study aimed to characteriz

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Leaf histology of greenhouse plants, in vitro cultured and somatic embryo-derived plants of Bactris gasipaes Kunth

Abstract: In vitro cultures of peach palm (Bactris gasipaes Kunth) were established by somatic embryogenesis but some improvements in maturation and conversion steps are still needed. The aim of this study was to analyze morpho-anatomical differences in peach palm leav

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Medium-sized mammals in peri-urban environments in southern Brazil

Abstract: Anthropic effects on natural environments caused by urban expansion or agriculture have been identified as one of the causes for the decline in species richness. In southern Brazil, the urbanization process affects the local fauna and reduces the diversity of

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Toxicity of the goji berry fruit associated with artificial excipients and dried without additives

Abstract: The aim of this study was to evaluate the cytotoxic and genotoxic potential of goji berry fruit-based pharmaceutical powders obtained from three pharmaceutical laboratories. The product A was tested at concentrations of 0.012; 0.025 and 0.05 g mL-1, and B and

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Gross anatomy of the intrinsic muscles of the scapular and humeral joint regions in crab-eating fox (Cerdocyon thous, Linnaeus 1776)

Abstract: The crab-eating fox (Cerdocyon thous) is a wild canid with a wide distribution in South America that is susceptible to traumas due to road kills - an event in which some specimens can survive. Therefore, anatomical studies in their thoracic limbs may be a bas

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Haematological assessment of four amazonian ornamental armoured catfish (Teleostei, Loricariidae)

Abstract: The aim of this study was to characterize the haematological profile of four Amazonian ornamental freshwater armoured catfish: acari-bola (Peckoltia oligospila - L06), acari-pleco (Cochliodon sp. - L145), acari-canoa (Lasiancistrus saetiger - L323) and acari-

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Lanthanum content and effects on growth, gas exchanges, and chlorophyll index in maize plants

Abstract: Rare earth elements, such as lanthanum (La), have been applied to agriculture via fertilizers, aiming to increase the productivity and crop quality, such results observed mainly in China. However, the knowledge about the effect of La on maize growth, as well

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Elevated CO2 concentration improves functional traits and early growth of the widespread species Enterolobium contortisiliquum (Vell.) Morong

Abstract: Enterolobium contortisiliquum is a neotropical widespread species that occurs in native Atlantic Forest, Cerrado and Caatinga vegetation in Brazil. Outside Brazil, it occurs in Argentina, Bolivia, Paraguay, and Uruguay. The objective of this study was to inve

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Phytochemistry and antibacterial activity of aqueous and hydroalcoholic extracts of three medicinal plants against food pathogens

Abstract: This study aimed to characterize the phytochemical compositions of three medicinal Brazilian plants’ leaves and bast extracts, and to determine their antibacterial activity on three foodborne and waterborne bacterial pathogens. Parkia platycephala, Pouteria r

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Fruit colour and edge effects poorly explains frugivorous bird-plant interactions in disturbed semideciduous forests

Abstract: Fruit colour is considered an important feature mediating interactions between plants and frugivorous birds. Despite that, colour mediated interactions are context-dependent, and habitat disturbances may affect how frugivorous birds perceive fruit colours. Th

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Growth, longevity, and juvenile recruitment of the white shrimp Litopenaeus schmitti (Burkenroad, 1936) (Decapoda: Penaeoidea) in southeastern Brazil

Abstract: Litopenaeus schmitti is one of the most commercially exploited penaeids on the southeastern and southern Atlantic coast of Brazil. Information about juvenile recruitment and growth patterns of individuals is important for management programs. The present stud

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Parasites in Loricariidae from Brazil: checklist and new records for fish from the Brazilian Amazon

Abstract: The aim of this study was to investigate the parasites fauna of Ancistrus leucostictus, Hypostomus ventromaculatus, Ancistrus sp. and Hemiancistrus sp. from the Igarapé Fortaleza River (Amapá State, Brazil), besides making a checklist of the parasite species

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Comparison of nuclear abnormalities in Astyanax bifasciatus Cuvier, 1819 (Teleostei: Characidae) of two sections of rivers from the middle Iguaçu

Abstract: Most changes in water bodies are result of human activities that have the potential to undermine the environmental integrity of aquatic ecosystems. Changes in genetic material can be evidenced by the frequency of nuclear abnormalities in fish blood cells, in

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Allelopathic bioactivity of fresh and infused aqueous extracts of Brazilian cherry (Eugenia uniflora L.) on lettuce and maize

Abstract: This study aimed to analyse the allelopathic bioactivity of fresh and infused aqueous extracts of Brazilian cherry leaves on the germination of lettuce and the initial development of maize. Brazilian cherry leaves were used to prepare a fresh aqueous extract

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Trends in the scientific production on aquatic microhabitats phytotelmata: a scientometric study

Abstract: We performed a scientometry to validate trends in the scientific production on phytotelmata and the importance of these microenvironments in the maintenance of biodiversity. We searched for articles in the Web of Science and looked at publications from 1987 t

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Selection of parasitoids of the genus Trichogramma (Hymenoptera: Trichogrammatidae) and parasitism at different eggs ages of Duponchelia fovealis (Lepidoptera: Crambidae)

Abstract: The European pepper moth Duponchelia fovealis (Zeller, 1847) (Lepidoptera: Crambidae), despite being among the principal pests of strawberries in Brazil. However, biological control methods are rarely documented for this pest. In the current study, the goal w

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Structural and physical-chemical analyses of sulfated polysaccharides from the sea lettuce Ulva lactuca and their effects on thrombin generation

Abstract: Ulva lactuca (Chlorophyceae) has biotechnologically-important sulfated-polysaccharides (Ul-SPs), but their potentials on thrombin generation (TG) are unknown. This study analyzed the structural and physical-chemical features of the Ul-SPs as modulators of TG.

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Assessment of petroleum biodegradation for Bacillus toyonensis by the using redox indicator 2,6 dichlorophenol indophenol

Abstract: Petroleum degrading microorganisms have been isolated from different environments with the purpose of being used in bioremediation processes in areas impacted by petroleum spills. The objective of this study was to evaluate the ability of Bacillus toyonensis

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Antibacterial activity of Aroeira honeys produced in Minas-Gerais against bacteria of clinical importance

Abstract: The biological activity of honey has been the subject of great scientific investigation. Bee products are widely used in folk medicine to treat human diseases due to their antibacterial and inhibitory potential action on different human pathogens. Ten honey s

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Nutritional supplementation required by native Cerrado species development, in nursery

Abstract: The ecological restoration of Cerrado ecosystems involves challenges pertinent to the fertilization of the substrate for seedlings in nursery, which are often produced by a single type of substrate. However, habitat heterogeneity suggests that the species may

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Bacteriocin-like inhibitory substance in aquaculture: a classic method of protein precipitation for a new aplicability

Abstract: Techniques to decrease losses from bacterial diseases are always important to improve the fish production. The use of antagonistic substances (bacteriocins) has been proven to be a viable option. The aim of this study was to evaluate different methods of puri

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Renal artery in tufted capuchin monkey: structure and morphometry

Abstract: The objective was to describe the structure of the renal artery in capuchin monkey at the level of the proximal and distal arterial segments. Morphometric analysis was performed referring to the thickness and quantification of tissue elements of the renal art

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Analytical methods for evaluation of the fatty acid metabolism in rat liver

Abstract: The liver is an essential organ for body energy homeostasis, controlling the biosynthesis, uptake and the disposal of carbohydrates and lipids. The hepatic steatosis is a common condition frequently associated with metabolic diseases and is characterized by t

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Antibacterial and cytotoxicity activity in macroalgae extracts: perspectives for the use against pathogenic bacteria from shrimp farms (Litopenaeus vannamei)

Abstract: Some infections caused by pathogenic microorganisms might shows high prevalence in farmed shrimp environments, compromising production and causing economic losses. Therefore, the search for compounds with antibiotic activity has become intensive, following th

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Diversity of medium and large neotropical mammals in an area of mixed rain forest

Abstract: Medium and large mammals (> 1 kg) were studied using camera traps with active sensors in a Conservation Unit located in an area of Mixed Rain Forest or Araucaria Forest (Atlantic Forest at altitude) in the South of Brazil, as a method for investigating the ar

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Metacercariae of Tylodelphys sp. (Trematoda: Diplostomidae) parasite of Brochis multiradiatus and Corydoras splendens (Siluriformes: Callichthyidae) from the Peruvian Amazon
Germán Augusto Murrieta Morey

Abstract: Corydoras splendens (Castelnau, 1855) and Brochis multiradiatus (Orcés V., 1960) are highly demanded for exporters in the Peruvian Amazon and importers all over the world. The exportation of this fish species may represent a gateway for endoparasites to ente

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Filamentous fungi producing enzymes under fermentation in cassava liquid waste

Abstract: The conversion of agroindustrial residues by microorganisms has been explored from fermentative processes to obtain several bioactive molecules. The objective of this work was to isolate and select filamentous fungi present in cassava liquid waste for the pro

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Behavior of α-tomatine and tomatidine against several genera of trypanosomatids from insects and plants and Trypanosoma cruzi

Abstract: Glycoalkaloids are important secondary metabolites accumulated by plants as protection against pathogens. One of them, α-tomatine, is found in high concentrations in green tomato fruits, while in the ripe fruits, its aglycone form, tomatidine, does not presen

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Synergetic effect of chitosan and vitamin C on the oxidative enzyme status in rat exposed to lead acetate

Abstract: This article discusses the research results on the synergetic effect of chitosan and vitamin C in overcoming free radical effect due to blood lead (Pb2+) accumulation. Blood lead level and enzymatic activities of superoxide dismutase (SOD), catalase oxidase (

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Does riparian vegetation affect fish assemblage? A longitudinal gradient analysis in three Amazonian streams

Abstract: The degradation of riparian vegetation in low-order streams can cause irreversible environmental damage, biodiversity loss and alter the structure of communities. In this context, the present study evaluated how the level of degradation of riparian vegetation

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Leaf architecture and symmetry of understory tree species of an Araucaria forest

Abstract: Shade plants of ombrophilous forests are subjected to light-limiting conditions and need to invest in architectural structures associated with leaf symmetry to increase light capture. This study investigated the leaf architecture of six Araucaria forest tree

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