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| Registros recuperados: 210 | |
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| Betelu, Stephanie; Tijunelyte, Inga; Boubekeur-lecaque, Leila; Ignatiadis, Ioannis; Ibrahim, Joyce; Gaboreau, Stephane; Berho, Catherine; Toury, Timothee; Guenin, Erwann; Lidgi-guigui, Nathalie; Felidj, Nordin; Rinnert, Emmanuel; Lamy De La Chapelle, Marc. |
| Gold nanostructures (GNS) were chemically functionalized using four different diazonium salts: benzene-diazonium-tetrafluoroborate (DS), 4-decylbenzene-diazonium-tetrafluoroborate (DS-C10H21), 4-carboxybenzene-diazonium-tetrafluoroborate (DS-COOH), and 4-(aminoethyl)-benzene-diazonium-tetrafluoroborate (DS-(CH2)(2)NH2). Effective chemical grafting on GNS was shown by surface-enhanced Raman spectroscopy (SERS); aromatic ring deformations in the range of 1570-1591 cm(-1) are of particular interest. The very strong band observed around 1075 cm(-1), related to CH in-plane bending for mono- and para-substituted benzenes (coupled with ring-N stretching mode), provided further irrefutable evidence of the grafting. SERS enhancement of these two bands ascertains... |
| Tipo: Text |
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| Ano: 2016 |
URL: http://archimer.ifremer.fr/doc/00350/46139/46200.pdf |
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| Ruela Boavida, Joana; Assis, Jorge; Silva, Inga; Serrao, Ester A.. |
| Factors shaping the distribution of mesophotic octocorals (30-200 m depth) remain poorly understood, potentially leaving overlooked coral areas, particularly near their bathymetric and geographic distributional limits. Yet, detailed knowledge about habitat requirements is crucial for conservation of sensitive gorgonians. Here we use Ecological Niche Modelling (ENM) relating thirteen environmental predictors and a highly comprehensive presence dataset, enhanced by SCUBA diving surveys, to investigate the suitable habitat of an important structuring species, Paramuricea clavata, throughout its distribution (Mediterranean and adjacent Atlantic). Models showed that temperature (11.5-25.5 degrees C) and slope are the most important predictors carving the niche... |
| Tipo: Text |
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| Ano: 2016 |
URL: http://archimer.ifremer.fr/doc/00359/47003/46932.pdf |
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| Silva,Edson Dias da; Tozzi,Ana Maria Goulart de Azevedo; Meireles,Leonardo Dias. |
| Studies on floristic and structural variations of forests in relation to altitude have contributed to the knowledge of patterns and causes of spatial distribution of plants in the Atlantic Forest. Geographical variables such as latitude, longitude and altitude result in different vegetation types, which limits newly established are not consensus. In the north coast of São Paulo state altitudes vary from the Restinga Forest, near the sea level, to the vegetation at the top of Cuscuzeiro Mountain at 1,279 m altitude. In order to evaluate the richness, taxonomic diversity, floristic similarity and the potential indicator of Leguminosae in the characterization of different vegetation types of Atlantic Forest on the northern coast of São Paulo, a matrix with... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Ombrophilous Dense Forest; Fabaceae; Phytophysiognomies; Vegetation types. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032016000100105 |
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| Tijunelyte, Inga; Dupont, Nathalie; Milosevic, Irena; Barbey, Carole; Rinnert, Emmanuel; Lidgi-guigui, Nathalie; Guenin, Erwann; De La Chapelle, Marc Lamy. |
| Among various cavitand molecules, cyclodextrins are extensively studied due to their ability to form host-guest complexes with small hydrophobic molecules. Aiming to explore cyclodextrin implementation on the scopes related to the environmental pollution monitoring or remediation, extensive studies for understanding the cyclodextrin-based host-guest complex formation with selected targeted substances are conducted. In this context, two polycyclic aromatic hydrocarbons, naphthalene and fluoranthene as well as toluene as a member of volatile organic compounds, were studied regarding their ability to encapsulate into cyclodextrin cavities. Synthesised complexes were examined by thermogravimetric analysis combined with Raman spectroscopy. The obtained results... |
| Tipo: Text |
Palavras-chave: Raman spectroscopy; Thermogravimetric analysis; Cyclodextrin; Polyaromatic hydrocarbons; PAH; Host-guest complex. |
| Ano: 2017 |
URL: http://archimer.ifremer.fr/doc/00417/52845/53907.pdf |
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| Tijunelyte, Inga; Betelu, Stephanie; Moreau, Jonathan; Ignatiadis, Ioannis; Berho, Catherine; Lidgi-guigui, Nathalie; Guenin, Erwann; David, Catalina; Vergnole, Sebastien; Rinnert, Emmanuel; Lamy De La Chapelle, Marc. |
| Here, we present a surface-enhanced Raman spectroscopy (SERS) nanosensor for environmental pollutants detection. This study was conducted on three polycyclic aromatic hydrocarbons (PAHs): benzo[a]pyrene (BaP), fluoranthene (FL), and naphthalene (NAP). SERS substrates were chemically functionalized using 4-dodecyl benzenediazonium-tetrafluoroborate and SERS analyses were conducted to detect the pollutants alone and in mixtures. Compounds were first measured in water-methanol (9:1 volume ratio) samples. Investigation on solutions containing concentrations ranging from 10−6 g L−1 to 10−3 g L−1 provided data to plot calibration curves and to determine the performance of the sensor. The calculated limit of detection (LOD) was 0.026 mg L−1 (10−7 mol L−1) for... |
| Tipo: Text |
Palavras-chave: Polynuclear aromatic hydrocarbon (PAH); Surface-enhanced Raman spectroscopy (SERS); Nanosensor; Diazonium salt; Surface functionalization; Detection. |
| Ano: 2017 |
URL: http://archimer.ifremer.fr/doc/00386/49772/50316.pdf |
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| Lepse, Liga; Jansone, Inga. |
| Usage of organic fertilizers and agricultural service crops (ASC) are the main tools to ensure soil fertility to obtain high quality organic vegetables. The most popular used ASCs are green manure, catch-crop, and living mulch. Efficiency of ASC crops under Latvia agro-ecological conditions for vegetable growing has not been investigated till now. Field trials where established in the Institute of Agricultural Resources and Economics during the season of 2015/2016 in Dižstende, Latvia with the aim to clarify the influence of ASC application on cabbage and onion crops yield and compare with traditional soil management systems: (i) green manure - in which ASC biomass of winter rye (Secale cereale L.) and winter rape (Brassica napus L.) was incorporated in... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Soil quality; Farm nutrient management. |
| Ano: 2017 |
URL: http://orgprints.org/31381/3/LepseJansone_Agricultural%20service%20crops_reviewed.docx |
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| Niether, Wiebke; Smit, Inga; Armengot, Laura; Schneider, Monika; Gerold, Gerhard; Pawelzik, Elke. |
| Cocoa beans are produced all across the humid tropics under different environmental conditions provided by the region but also by the season and the type of production system. Agroforestry systems compared to monocultures buffer climate extremes and therefore provide a less stressful environment for the understory cocoa, especially under seasonally varying conditions. We measured the element concentration as well as abiotic stress indicators (polyamines and total phenolic content) in beans derived from five different production systems comparing monocultures and agroforestry systems and from two harvesting seasons. Concentrations of N, Mg, S, Fe, Mn, Na, and Zn were higher in beans produced in agroforestry systems with high stem density and leaf area... |
| Tipo: Journal paper |
Palavras-chave: Crop husbandry. |
| Ano: 2017 |
URL: http://orgprints.org/34495/1/niether-etal-2018-JAgricFoodChem-Vol65-Issue47-pp10165%E2%80%9310173.pdf |
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| Souza,Gustavo Soares de; Alves,Danielle Inácio; Dan,Maurício Lima; Lima,Julião Soares de Souza; Fonseca,Abner Luiz Castelão Campos da; Araújo,João Batista Silva; Guimarães,Lorena Abdalla de Oliveira Prata. |
| Abstract: The objective of this work was to evaluate the cultivation effects of organic conilon coffee (Coffea canephora) intercropped with tree and fruit species on soil physico-hydraulic properties. Conilon coffee managements in the organic system were: T1, full-sun monoculture; T2, T3, T4, and T5, intercropping with peach palm (Bactris gasipae), gliricidia (Gliricidia sepium), banana (Musa sp.), and inga (Inga edulis), respectively; and T6, an area of secondary native forest used as a control. The evaluated soil physico-hydraulic properties were: bulk density, porosity, plant-available water capacity, soil-penetration resistance, soil-water content, soil temperature, and least limiting... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bactris gasipae; Coffea canephora; Gliricidia sepium; Climatic vulnerability; Shade trees; Shaded coffee.. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2017000700539 |
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| CABRAL,C.M.; SANTOS,J.B.; FERREIRA,E.A.; COSTA,S.S.D.; DALVI,V.C.; FRANCINO,D.M.T.. |
| ABSTRACT Herbicide clomazone is highly soluble in water, which increases the risk of leaching, resulting in contamination of sources of groundwater and waterways, affecting non-target organisms, with possible degradation of riparian areas. The objective of this work was to investigate the possible anatomical modifications of the leaf tissue of twelve arborescent species native to Brazil grown in soil contaminated by clomazone, in order to microscopically characterize leaf damage caused by the herbicide, and investigate whether the structural damage precedes visible damage. Through micro morphometrics, the thickness and the area occupied by the tissues were measured in a cross section of the leaves of the forest species: adaxial and abaxial epidermis,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Inga marginata; Handroanthus serratifolius; Forest species; Phytoremediation; Leaf anatomy. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582017000100230 |
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| Rangel-Vasconcelos,Lívia Gabrig Turbay; Kato,Osvaldo Ryohei; Vasconcelos,Steel Silva; Oliveira,Francisco de Assis. |
| ABSTRACT Improvement of fallow vegetation can have a positive impact on the productivity of slash-and-mulch systems in eastern Amazonia. Phosphorus fertilization can increase biomass and nutrient stocks in the fallow phase, thereby improving nutrient cycling and crop productivity. Here, we compared biomass and nutrient stocks under three fallow management strategies: (1) natural fallow (regrowth vegetation) - NF; (2) NF vegetation improved with leguminous trees (Sclerolobium paniculatum Vogel and Inga edulis Mart.) - IF; and (3) NF vegetation improved with leguminous trees plus phosphorus fertilization - IF+P. We quantified above- and belowground biomass and N, P, K, Ca, and Mg stocks after 23 months of fallow. The IF+P... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aboveground biomass; Fine roots; Inga edulis; Low-input agriculture; Sclerolobium paniculatum. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832017000100537 |
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| PAREYN, F. G. C.; ARAÚJO, E. de L.; DRUMOND, M. A.; MIRANDA, J. de A. C.; SOUZA, C. A.; SILVA, A. P. de S.; BRAZOLIN, S.; MARQUES, K. K. M.. |
| Árvore decídua na estação seca, com altura entre 6-12m (Figura 1). Caule com diâmetro superior a 30cm, geralmente ereto, com casca castanho-escura e ritidoma desprendendo-se em lâminas (Figura 2); ramos pouco estriados, glabros. Folhas compostas, 10-15cm de comprimento, alternas, imparipinadas, com pecíolos cilíndricos; folíolos subopostos ovais à elípticos, com base e ápice arredondados ou acuminados. Inflorescências axilares ou terminais, composta por numerosas flores de cor branco-amarelada, pequenas e aromáticas (Figura 3). Frutos do tipo vagem de cor escura, deiscente em um dos lados, contendo uma semente, ou raramente, duas. As sementes são aladas e apresentam coloração preta, rugosa, com cerca de 1cm de largura e 2cm de comprimento. Espécie é... |
| Tipo: Capítulo em livro técnico (INFOTECA-E) |
Palavras-chave: Umburana de cheiro; Amburana; Cumaru-das-caatingas; Cumaru-de-cheiro; Umburana-lisa; Louro-ingá; Umburana-macho; Umburana-vermelha; Amburana cearensis; Caatinga; Vegetação Nativa; Planta Produtora de Madeira; Cumbaru; Biodiversity; Fabaceae. |
| Ano: 2018 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/1103192 |
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| Registros recuperados: 210 | |
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