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Registros recuperados: 14
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Advances and challenges on the in vitro production of secondary metabolites from medicinal plants Horticultura Brasileira
Cardoso,Jean Carlos; Oliveira,Maria Eduarda BS de; Cardoso,Fernanda de CI.
ABSTRACT The production of secondary metabolites from medicinal plants, also called Plant-Derived Medicinal Compounds (PDMC), is gaining ground in the last decade. Concomitant to the increase in the knowledge about pharmacological properties of these compounds, horticultural plants are becoming the most important, sustainable and low-cost biomass source to obtain high-complex PDMCs to be used as medicaments. Biotechnological tools, including plant cell and tissue culture and plant genetic transformation, are increasingly being employed to produce high quality and rare PDMC under in vitro conditions. The proper use of these technologies requires studies in organogenesis to allow for better control of in vitro plant development and, thus, to the production...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Plant-derived medicinal compounds; In vitro cell and tissue culture; Techniques; Biotic and abiotic factors; Biofactories.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362019000200124
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Définition et test de nouvelles amorces pour la détection en PCR du virus de type herpès infectant les huîtres ArchiMer
Renault, Tristan; Lipart, Cecile.
La collaboration, entamée en 1996 avec A. Davison du Medical Research Council de Glasgow, a permis d'aboutir à l'obtention d'informations sur la équence de fragments clonés d'ADN de virus de type herpès infectant les huîtres.
Tipo: Text Palavras-chave: Détection PCR; Virologie; Virus; Herpès; Huîtres creuses; Crassostrea gigas; Techniques.
Ano: 1997 URL: http://archimer.ifremer.fr/doc/00199/31048/29465.pdf
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Development and validation of DNA-based diagnostic techniques with particular reference to bivalve mollusc pathogens ArchiMer
Berthe, Franck.
The International Aquatic Animal Health Code of the OIE (the World Organization for Animal Health) includes serious pathogens that have been causing important losses in the mollusc aquaculture industry throughout the world. This list also meets the ones established by the European Union regulation.
Tipo: Text Palavras-chave: Pathogens; Techniques; Diagnostics; Pathology; Molluscs.
Ano: 1999 URL: http://archimer.ifremer.fr/doc/1999/acte-3213.pdf
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Development of preharvest sprouting tolerance screening technique in rice International Rice Research Institute
Mahbub, A. A.; Rahman, M. S.; Khanam, M.; Gomosta, A. R..
p.50-51
Palavras-chave: Preharvest sprouting; Tolerance; Screening; Varieties; Techniques; Bangladesh.
Ano: 2005 URL: http://hdl.handle.net/123456789/1140
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Ecological and Social Aspects of Ecological Restoration: New Challenges and Opportunities for Northern Regions Ecology and Society
Tipo: Peer-Reviewed article Palavras-chave: Ecological restoration; Northern regions; Policies; Social-ecological systems; Techniques.
Ano: 2013
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Efficiency of snake sampling methods in the Brazilian semiarid region Anais da ABC (AABC)
Mesquita,Paulo C.M.D.; Passos,Daniel C.; Cechin,Sonia Z..
The choice of sampling methods is a crucial step in every field survey in herpetology. In countries where time and financial support are limited, the choice of the methods is critical. The methods used to sample snakes often lack objective criteria, and the traditional methods have apparently been more important when making the choice. Consequently researches using not-standardized methods are frequently found in the literature. We have compared four commonly used methods for sampling snake assemblages in a semiarid area in Brazil. We compared the efficacy of each method based on the cost-benefit regarding the number of individuals and species captured, time, and financial investment. We found that pitfall traps were the less effective method in all...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Caatinga; Comparison; Pitfall traps; Squamata; Techniques.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000301127
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Evaluation of a kit for estimating organic matter concentrations in botton soils of aquaculture ponds. Repositório Alice
QUEIROZ, J. F.; BOYD, C. E..
The Hach CEL/700 Organic Matter Laboratory provided estimates of organic carbon concentrations in pond soil samples comparable to those obtained by the commonly-used Walkley-Black method. Dry ashing at 350-400 C tended to overestimate soil organic matter concentrations, and this procedure requires too much equipment and laboratory expertise for use on most aquaculture farms. The Hach kit can provide practical aquaculturists a simple and reliable method for measuring organic matter in pond soils. Samples from brackishwater ponds should be treated with mercuric sulfate to prevent chloride interference and overestimation of organic matter.
Tipo: Capítulo em livro científico (ALICE) Palavras-chave: Organic carbon; Methods; Evaluation; Techniques; Deterioration; Freshwater; Organic matter; Quality control; Water quality.
Ano: 1998 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/13081
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Filtration enrichment method for isolation of auxotrophic mutants of Trichoderma harzianum Rifai. Repositório Alice
CASSIOLATO, A. M. R.; MELO, I. S. de.
The isolation of genetic markers, like drug resistance and auxotrophy, is a laborious but important step in genetic research. The isolation of auxotrophic mutants of Trichoderma harzianum using the filtration enrichment technique was more effective than using the total isolation technique. Most of 12 auxotrophic mutants exhibited similar growth rate and higher sporulation when compared with the wild type, but only two mutants (TWS-410 and TW5-523) could grow in 500ug/L of benomyl.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Techniques; Culture medium; Benomyl; Biological control; Fungi; Mutants; Plant pathogens.
Ano: 1999 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/13152
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Histological processing techniques for the study of Dugesiidae development (Platyhelminthes, Tricladida, Paludicola) BJB
VARA,D. C. da; LEAL-ZANCHET,A. M.; LIZARDO-DAUDT,H. M..
The objective of the present study was to adapt techniques for the histological processing of Dugesiidae cocoons for the study of embryo development. The cocoons were fixed with formalin, SUSA, Bouin or paraformaldehyde/glutaraldehyde and subsequently embedded in Paraplast or glycol methacrylate (Historesin). Paraplast embedding yielded reasonable results only after the cocoon was perforated or fixed for a prolonged period of time using softening techniques with acid solutions. When the SUSA or Bouin fixative and Historesin embedding techniques were used the results were good for light microscopical analysis. Fixation with paraformaldehyde/glutaraldehyde and glycol methacrylate embedding resulted in better tissue preservation, and did not require prolonged...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Embryo development; Techniques; Glycol methacrilate; Tricladida.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71082001000200019
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Influence of silk/cotton blend proportion and blending techniques on the tactile feeling of knitted fabrics Thai Agricultural
Chollakup, R.; Schacher, L.; Sinoimeri, A.; Adolphe, D.C..
Palavras-chave: Influence; Cotton; Blend; Blending; Techniques; Fabrics.
Ano: 2012 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4888
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Microplastics in sediments: A review of techniques, occurrence and effects ArchiMer
Van Cauwenberghe, Lisbeth; Devriese, Lisa; Galgani, Francois; Robbens, Johan; Janssen, Colin R..
Microplastics are omnipresent in the marine environment and sediments are hypothesized to be major sinks of these plastics. Here, over 100 articles spanning the last 50 year are reviewed with following objectives: (i) to evaluate current microplastic extraction techniques, (ii) to discuss the occurrence and worldwide distribution of microplastics in sediments, and (iii) to make a comprehensive assessment of the possible adverse effects of this type of pollution to marine organisms. Based on this review we propose future research needs and conclude that there is a clear need for a standardized techniques, unified reporting units and more realistic effect assessments.
Tipo: Text Palavras-chave: Microplastics; Pellets; Sediment; Techniques; Direct effects; Indirect effects.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00270/38157/36291.pdf
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Module Argenton : écloserie - nursery. Bilan 1976 ArchiMer
Flassch, Jean-pierre; Aveline, Charles.
Les travaux commencés en 1973 avec la collaboration de Y. Koike sur la production artificielle d'Haliotis tuberculata devaient définir les aspects scientifiques et technologiques liés à l'obtention de juvéniles d'un an, non pas dans un but de repeuplement comme dans le contexte japonais, mais de promotion d'un élevage contrôlé en milieu naturel dans la zone de battement de marées. La volonté d'un contrôle systématique des élevages, d'une part, et l'utilisation éventuelle d'algues macrophytes, d'autre part, grâce aux immenses possibilités de production naturelle d'algues macrophytes dans la zone de battement des marées ont été les deux moteurs de l'orientation suivie dans le cadre de ce programme ormeaux. Les résultats obtenus depuis 1973 en laboratoire au...
Tipo: Text Palavras-chave: Ecloserie; Elevage; Production; Installation; Techniques; Fécondation artificielle; Haliotis tuberculata.
Ano: 1976 URL: http://archimer.ifremer.fr/doc/00134/24522/22551.pdf
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On-Farm Benchmarking: How to Do It and How to Do It Better AgEcon
Franks, J.R.; Collis, Jimi.
Benchmarking is the practice of establishing the relative performance of a business or enterprise against an appropriate standard, generally industry standards derived from a survey of farms. The Policy Commission into the Future of Farming and Food (2002) highlighted a need to spread and improve benchmarking on farms. The requirements of effective benchmarking are illustrated in a ten step framework. The ten steps illustrate the range of expertise and resources a manager requires before being able to justify allocating resources to benchmarking. A comparison of alternative farm surveys and methodologies used to collect, analyse and report industry standards illustrates the difficulties farmers can have in identifying appropriate, robust and accurate...
Tipo: Conference Paper or Presentation Palavras-chave: Benchmarking; Comparative analysis; Processes; Industry standards; Methodology; Techniques; Farm Management.
Ano: 2003 URL: http://purl.umn.edu/24326
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Recent observations on bacterial insecticide production by semi-solid fermentation technique. Repositório Alice
CAPALBO, D. M. F.; MORAES, I.O.; MORAES, R.O..
The practical use of entomopathogenic microorganism, to crop protection is possible when an industrial scale production of the organism is developed. That is the case of Bacillus thuringiensis (Bt), one of the most studied and commercially important entomopathogenic bacterium. In Brazil the feasibility of Bt production depends, to a large degree, on the cost at which this product can be obtained. So, the fermentation technology has to aim the production of new fermentation media and new fermentation processes to get such economical level. In search of new fermentation processes it was studied the production of Bt spores and gama-endotoxin in a low cost medium (using agroindustrial by-products) by the semi-solid fermentation in flasks. The fermented malt...
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Bacillus thuringiensis; Bactéria; Bioinsecticide; Biological insecticide; Bacterial insecticide; Production; Semi solid fermentation; Techniques; Insect; Pest; Biological control.
Ano: 1992 URL: http://www.alice.cnptia.embrapa.br/handle/doc/10711
Registros recuperados: 14
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