Zoekresultaten - 848 results

N-acetyl-(1-amino-2-naphthol-6-sulphonic acid), a common metabolite of sunset yellow FCF, orange GGN and 1-amino-2-naphthol-6-sulphonic acid in rat urine

with acetic anhydride, followed by liquid chromatographic examination of the derivatised mixture, two peaks appeared on the chromatogram, the first of which had the same retention time and the same ...

[The laboratories of clinical biology in Belgium: evolution and status following the organization of mandatory external quality control]150

Publication Type: Peer reviewed scientific article Authors: Libeer,J.C.; Gillet,R.; Lafontaine,A. Source: Acta Clin.Belg., Volume 37, Issue 2, Number 111, p.103- 111 (1982) Keywords: article Belgium Biology Clinical Clinical Laboratory Techniques Evolutio ...

Clinical and pharmacological evaluation of different preparations of oral erythromycin36591

clinical trial Comparative Study criteria culture Diffusion drug effects Drug Evaluation Drug Resistance,Microbial drug therapy Erythromycin EVALUATION Follow up FOLLOW-UP follow-up after treatment Follow ...

Genetically modified crops and aquatic ecosystems: considerations for environmental risk assessment and non-target organism testing

goals were characterized, and a conceptual model was developed to identify routes through which aquatic organisms may be exposed to insecticidal proteins in maize tissue. Following a tiered approach for ...

Quantifying the introgressive hybridisation propensity between transgenic oilseed rape and its wild/weedy relatives

followed by Hirschfeldia incana and Raphanus raphanistrum (IHP = 6.7), Brassica juncea (IHP = 5.1), Diplotaxis tenuifolia and Sinapis arvensis (IHP = 4.5) in Flanders. Based on the IHP values, monitoring ...

Using an oilseed rape x wild/weedy relative gene flow index for the monitoring of transgenic oilseed rape

relative. This approach revealed that in Flanders (Belgium) Brassica rapa has the highest IHP value, followed by Hirschfeldia incana, Diplotaxis tenuifolia, Raphanus raphanistrum and Sinapis arvensis. Using ...

Recommendations for the design of laboratory studies on non-target arthropods for risk assessment of genetically engineered plants

s when they are exposed to the arthropod-active protein. Typically, the risk assessment follows a tiered approach that starts with laboratory studies under worst-case exposure conditions; such studies have ...

Activity of cefotiam in combination with beta-lactam antibiotics on enterobacterial hospital strains36636

The following compounds were tested: cefamandole, cefazolin, cefmenoxime, cefotaxime, cefotiam, ceftazidime, cefuroxime, mecillinam and piperacillin. The synergistic effect varied markedly. The ...

Challenges for future research in GMO detection

exist and need more research efforts to be solved. The question of how to apply validation in a modular scheme is handled. It is followed by the problem of how to manage the detection of an always ...

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