Consulta: subjectFacets:"Biochemical analysis"
Registros recuperados: 12
Data/hora: 18/05/2024 05:18:42

Contribution a l’étude écobiologique et biochimique du crabe "Carcinus aestuarii " dans la région nord de Sfax
Provedor de dados: 20
Autores: Baklouti Zouari, S.
The main objective of this work is to study some biological aspects of Carcinus aestuarii Northern Sfax (biometry, reproduction, diet), and biochemical contents (water, protein, minerals, and fat). Analysis of metric characteristics of Carcinus aestuarii allowed us to determine the nature of the allometry between the width and différent parts of the body of the crab. For reproduction study, analysis of monthly changes in the gonadosomatic index (GSI) shows that the spawning period of Carcinus aestuarii North Sfax occurs from October to January. The analysis of monthly variations of the hepatosomatic index (HSI), shows that this species used the hepatic reserved to the maturity of gonads. The analysis of monthly variations of the sex-ratio shows that the...
Tipo: Theses and Dissertations
Palavras-chave: Biometrics; Biochemical analysis; Reproductive behaviour; Carcinus aestuarii.
Ano: 2010
URL: http://hdl.handle.net/1834/5481

Evaluation de la qualité sensorielle et biochimique de la sardinelle ronde "Sardinella aurita" au cours du stockage dans l’eau de mer refroidie a la glace
Provedor de dados: 20
Autores: Selmi, S.; Sadok, S.
Tipo: Journal Contribution
Palavras-chave: Biochemical analysis; Commercial fishing; Conservation; Fish storage; Freezing storage; Histamines.
Ano: 2006
URL: http://hdl.handle.net/1834/4277

Impact of starvation and of feeding algal and artificial diets on the lipid content and composition of juvenile oysters &lt;i&gt;(Crassostrea gigas)&lt;/i&gt; and clams &lt;i&gt;(Tapes philippinarum)&lt;/i&gt;
Provedor de dados: 27
Autores: Caers, M.; Coutteau, P.; Sorgeloos, P.
The present study evaluated the effect of starvation and of feeding various algal and lipid-supplemented diets on the lipid content and lipid class distribution in the polar and neutral lipids of early juvenile oysters (&lt;i&gt;Crassostrea gigas&lt;/i&gt; and clams (&lt;i&gt;Tapes philippinarum&lt;/i&gt;). &lt;i&gt;T. philippinarum&lt;/i&gt; was starved, fed a mixed algal diet (&lt;i&gt;Tetraselmis suecica&lt;/i&gt; and &lt;i&gt;Isochrysis galbana&lt;/i&gt; (clone T-iso) or solely &lt;i&gt;T. suecica&lt;/i&gt; at three different feeding rations, either supplemented or not supplemented with lipid emulsions. &lt;i&gt;C. gigas&lt;/i&gt; was fed &lt;i&gt;T. suecica&lt;/i&gt; with and without the supplementation of lipid emulsions or liposomes. When...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biochemical analysis; Feeding experiments; Juveniles; Lipids; Starvation; Crassostrea gigas [Portuguese oyster]; Isochrysis galbana.
Ano: 2000
URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=2679

Isolement et caracterisation d'une proteine membranaire ovocytaire capable de fixer specifiquement la vitellogenine
Provedor de dados: 5
Autores: Jugan, P; Vanherp, F.
After solubilization of ovocyte-membranes from the crayfish Orconectes limosus , a component with a molecular weight of 30 kDa and capable to fix vitellogenin specifically, could be characterized by SDS-PAGE and by electroblotting. Because this isolated component is sensible to the digestion of proteolytic enzymes such as pronase, it is assumed that it is a protein. A polyclonal antiserum is produced against this component and its tissue-specificity is verified by ELISA.
Tipo: Text
Palavras-chave: Orconectes limosus; Malacostraca; Oogenesis; Biochemical analysis; Cell membranes.
Ano: 1987
URL: http://archimer.ifremer.fr/doc/1987/acte-1382.pdf

La detection des effets subletaux des pollutions: Utilisation in situ d'un indice biochimique, la charge energetique
Provedor de dados: 5
Autores: Sylvestre, C; Batrel, Y; Legal, Y.
Marine water management implies the provision of environmental evolution. This can be seen with tests giving information on organism health. After a presentation of biochemical parameters (energetic charge) the authors describe the technique used and the results obtained with Nassarius reticulatus and Crangon crangon . In practice, the evolution of ratio of energetic charge to total nucleotides is a signal of imbalance in the ecosystem.
Tipo: Text
Palavras-chave: Nassarius reticulatus; Gastropoda; Crangon crangon; Malacostraca; Biochemical analysis; Nucleotides; In situ measurements; Estuarine organisms; Sublethal effects; Pollution tolerance.
Ano: 1985
URL: http://archimer.ifremer.fr/doc/1985/acte-1306.pdf

Le Polymorphisme Electrophoretique : Un Moyen d'Etude des Populations.
Provedor de dados: 5
Autores: Pichot, Paul; Pichot, Yves.
The study of biochemical polymorphisms has been known for some years as an important development. The use of a technique called electrophoresis is at the origin of the progress realized in this science. The electrophoretic detection of genetical heterogeneity existing at the level of some biochemical characters of animal species presents an important theorical and practical interest.
Tipo: Text
Palavras-chave: Pisces; Overfishing; Stock assessment; Population genetics; Electrophoresis; Biochemical analysis; Analytical techniques.
Ano: 1980
URL: http://archimer.ifremer.fr/doc/1980/publication-1909.pdf

Lipid requirements of shrimp
Provedor de dados: 5
Autores: Abramo D', L.
A review of lipid requirements of shrimp and other crustacean species, when applicable, is presented. Qualitative requirements of crustaceans for cholesterol, fatty acids and phospholipids have been documented, but quantitative requirements generally remain undefined. Potential interrelationships between different classes of lipids that may influence requirements as well as differences due to age and species need to be investigated. A more accurate definition of lipid requirements can be achieved by supporting traditional evaluations based upon weight gain and survival with biochemical or histological evidence.
Tipo: Text
Palavras-chave: Malacostraca; Biochemical analysis; Nutrients (mineral); Growth; Survival; Cholesterol; Fatty acids; Lipids.
Ano: 1989
URL: http://archimer.ifremer.fr/doc/1989/acte-1470.pdf

Microbial extracellular enzyme detection on agar plates by means of fluorogenic methylum-belliferyl-substrates.
Provedor de dados: 5
Autores: Kim, S; Hoppe, H.
A rapid and sensitive method to detect the extracellular enzymatic activity of bacteria colonies grown on agar plates is described. Selective agar media supplemented with protein, starch, chitin, Tween-80, etc. are conventionally used to detect biochemical properties of bacteria. It has been experimentally demonstrated with bacteria pure cultures that fluorogenic Methylumbelliferyl (MUF)-substrates are excellent substrate analogues for normally occurring polymers. Based on MUF-substrate hydrolysis the new method provides reliable qualitative estimates of extracellular enzymatic properties of bacteria within minutes using pure cultures as well as agar plates prepared for colony counts.
Tipo: Text
Palavras-chave: Bacteria; Microbiological culture; Biochemical analysis; Enzymatic activity; Analytical techniques.
Ano: 1984
URL: http://archimer.ifremer.fr/doc/1984/acte-959.pdf

Performance and metabolic pattern of feedlot lambs using soyabean hulls associated to different non-protein nitrogen sources
Provedor de dados: 96
Autores: Ziguer,Evaneo Alcides; Roll,Victor Fernando Büttow; Bermudes,Rogério Fôlha; Montagner,Paula; Pfeifer,Luiz Francisco Machado; Del Pino,Francisco Augusto Burkert; Corrêa,Marcio Nunes; Dionello,Nelson José Laurino.
The aim of this study was to evaluate the metabolic profile of the use of soyabean hulls associated with two sources of non-protein nitrogen (NPN) on the finishing of feedlot lambs. Eighty crossbred Suffolk non-castrated lambs aging 69±6 days and weighing 23.11±1.78 kg were used. Lambs were randomly allocated into 4 experimental groups according to the NPN source: conventional urea (1%); protected urea; 1% protected urea + 0.5% conventional urea; and a control group, which did not receive urea supplementation. Blood samples were collected weekly to determine the plasma concentrations of urea, albumine, γ-glutamiltransferase (GGT), calcium and phosphorus. The control group had higher average daily gain and final weight than protected urea and protected urea...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biochemical analysis; Feeding; Performance; Urea.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000200030

Physiological and biochemical changes of wild and cultivated juvenile pink shrimp Farfantepenaeus duorarum (crustacea: penaeidae) during molt cycle
Provedor de dados: 5
Autores: Luis Bonilla-gomez, Jose; Chiappa-carrara, Xavier; Galindo, Carmen; Jeronimo, Gilberto; Cuzon, Gerard; Gaxiola, Gabriela.
Changes in metabolite levels in hemolymph and hepatopancreas were used as indicators of physiological status of juvenile wild and cultivated Farfantepenaeas. duorarum (Burkenroad, 1939), during hyper-osmoregulatory conditions (salinity 22 ppt, 726 mOsm/kg). We analyzed the relationship between biochemical changes of wild and cultivated shrimp at different molt stages by measurement of osmotic capacity, hemocyanin, acylglycerides, cholesterol, glucose, glycogen and total protein. Biochemical analyses of hemolymph (blood) and hepatopancreas showed a decreasing trend in stages closer to molt and an increasing trend before intermolt. Osmotic capacity and blood proteins indicated a significant effect of the molt stage. Stages A. D1' and D''' showed the greatest...
Tipo: Text
Palavras-chave: Biochemical analysis; F. duorarum; Molt stages; Osmoregulation.
Ano: 2012
URL: http://archimer.ifremer.fr/doc/00088/19936/17773.pdf

Propuesta de una nueva metodología para diferenciar las cepas de Yersinia ruckeri de las de Hafnia alvei
Provedor de dados: 20
Autores: Aguilera, Y.; Martínez, M.T.; Silveira, R.
El objetivo del estudio fue revisar la identificación de dos posibles cepas de Yersinia ruckeri aisladas de diferentes epizootias, diagnosticadas como septicemia bacteriana en 2009 en tilapia cultivada en jaulas, para esclarecer su papel en el cuadro clínico, ya que en los animales afectados no se observaron los signos característicos de la yersiniosis. Se realizó una amplia batería de pruebas bioquímicas mediante técnicas convencionales. La incubación de la motilidad, del Citrato de Simons y del Voges Proskauer, se hizo por duplicado, una réplica se incubó a 25 ºC y la otra, a 37 ºC, lo que permitió identificar a las cepas como Hafnia alvei, que no es un patógeno reconocido de los organismos acuáticos. Se propone un esquema para diferenciar las cepas de...
Tipo: Journal Contribution
Palavras-chave: Strains; Biochemical analysis.
Ano: 2011
URL: http://hdl.handle.net/1834/4144

Ultrastructure et activite de la glande salivaire de Patella safiana LMK (Mollusque, Gasteropode)
Provedor de dados: 5
Autores: Benmeradi, S; Benmeradi, N.
The ultrastructural study of the Patella safiana salivary gland reveals two types of cells: the dark cells containing round-shaped secretory vesicles of lamellar structure and the light cells which have homogenous and fibrous secretory granules that are star-shaped sometimes. The two types of cells have the cytological characteristics of high proteosynthetic activity cells.
Tipo: Text
Palavras-chave: Patella safiana; Gastropoda; Biochemical analysis; Secretory organs; Cytology; Cells; Marine molluscs; Enzymes; Ultrastructure.
Ano: 1991
URL: http://archimer.ifremer.fr/doc/1991/acte-1712.pdf