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Thermally produced ω-(o-alkylphenyl)alkanoic acids provide evidence for the processing of marine products in archaeological pottery vessels
Abstract ω-( o -Alkylphenyl)alkanoic acids with 16, 18 and 20 carbon atoms were identified in archaeological pottery vessels from coastal sites in Southern Brazil. Such compounds are presumed to formExpand
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ω-(o-Alkylphenyl)alkanoic acids are known to form in vitro from triunsaturated fatty acids following protracted heating. These compounds have recently been identified in absorbed lipid extractsExpand
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Formation of dihydroxy acids from Z-monounsaturated alkenoic acids and their use as biomarkers for the processing of marine commodities in archaeological pottery vessels
Abstract Distributions of erythro and threo dihydroxy acids, extracted from ‘bound’ forms of organic residues preserved in archaeological pottery cooking vessels are shown to be the direct productsExpand
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Organic residue evidence for the processing of marine animal products in pottery vessels from the pre-Colonial archaeological site of Kasteelberg D East, South Africa
Pre-colonial herding communities from coastal sites in South Africa are known to have exploited sheep and seal products. Animal bone assemblages from various archaeological sites on Kasteelberg onExpand
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Micropropagation of an Eucalyptus hybrid ( Eucalyptus benthamii x Eucalyptus dunnii ) - doi: 10.4025/actasciagron.v33i4.8317
This study was designed to micropropagate E. benthamii x E. dunnii , by testing chlorine concentrations for explant asepsis, the optimal concentrations of benzylaminopurine (BAP) andExpand
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Mini-cuttings technique: a new ex vitro method for clonal propagation of sweetgum
An efficient production system, which can quickly produce high quality plants, is shown in this study of Liquidambar styraciflua. The mini-cuttings technique was used for ex vitro clonal propagationExpand
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Assessment of lipid compounds and phosphorus in mangrove sediments of Santa Catarina Island, SC, Brazil
Lipidios provenientes de sete estacoes sedimentares foram usados para avaliar fontes de materia orgânica em dois manguezais localizados na Ilha de Santa Catarina, SC. O manguezal de RatonesExpand
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Riparian buffer zones as pesticide filters of no-till crops
Several studies have pointed to the potential benefits of riparian vegetation as buffer zones for agricultural and industrial pollutants harmful to aquatic ecosystems. However, other studies haveExpand
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Comparison of two alkaline treatments in the extraction of organic compounds associated with water repellency in soil under Pinus taeda
article i nfo Isopropanol:NH3 and Methanol:KOH (saponification) alkaline treatments are usually applied in the study of soil organic matter. The first is used in studies of soil water repellency, andExpand
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Soil Animals and Pedogenesis: The Role of Earthworms in Anthropogenic Soils
Abstract The role of earthworms as one of the most important groups of ecosystem engineers in human-modified and natural environments has been increasingly recognized only during the last 30 years,Expand
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