This study was carried out to study the effect of trace metal addition for hydrogen production The results show that this bacterial need a selected nutrient with selected concentration. The optimum parameters for cultivation were at initial pH of 7.0 and temperature of 30°C. Trace metal addition to the new medium showed that only iron enhanced the H2 yield. The results showed that 25 mgL FeSO4⋅...

An efficient method to transform five cultivars of tomato (Lycopersicon esculentum), Micro-Tom, Red Cherry, Rubion, Piedmont, and E6203 is reported. A comparison was made of leaf, cotyledon, and hypocotyl explants on 7 different regeneration media without Agrobacterium tumefaciens cocultivation and on 11 different media with cocultivation. Although all cultivars and explants formed callus and r...

Plant genetic transformation requires appropriate choice of antibiotics for regeneration of transformed tissues and elimination of Agrobacterium, and minimal concentration of selective agents for the selection of putative transformants during transformation. This study was conducted to examine the effects of three antibiotics (carbenicillin, cefotaxime, and Clavamox) on in vitro plant regenerat...

The aim of the present study is to evaluate the cytotoxic and genotoxic effects of silver nanoparticles (Ag-NPs) towards African catfish (Clarias gariepinus). Adult male catfish was exposed to 0, 25, 50, and 75 mgl–1 Ag-NPs for two weeks. Exposure to Ag-NPs exerted an increase in mortality rate and behavioural changes compared to control. A fluorescent microscopy examination was used to assess ...

.................................................................................................2 Acknowledgement .....................................................................................4 Abbreviations ........................................................................................................................5 1. Literature Review: Recent development of FAAH/MGL inhibi...

Fatty acid ethyl esters (FAEEs) are non-oxidative metabolites of ethanol that accumulate in human tissues upon ethanol intake. Although FAEEs are considered as toxic metabolites causing cellular dysfunction and tissue damage, the enzymology of FAEE metabolism remains poorly understood. In this study, we used a biochemical screen in Saccharomyces cerevisiae to identify and characterize putative ...

A procedure for rapid clonal propagation of Passiflora edulis Sims. f. flavicarpa Deg. (Passifloraceae) has been developed in this study. Nodal explants were sterilized with 0.1% HgCl2 and inoculated on Murashige and Skoog (MS) basal medium. The addition of 2.0 mgL(-1) 6-benzylaminopurine (BAP) to MS medium caused an extensive proliferation of multiple shoots (8.21 ± 1.13) primordial from the n...

An efficient in vitro protocol was standardized for Almond (Prunus dulcis) propagation using dormant axillary buds as explants. Explants were cultured on Murashige and Skoog (MS) and woody plant medium (WPM) supplemented with different concentration/combination(s) of phytohormones. MS basal medium showed lowest shoot induction and took longest duration for shoot initiation. Multiple shoots were...

Object-oriented database programming languages use a data model that, by its nature, leads to a hierarchical organisation of persistent data. The Multigranularity Locking (MGL) protocol is the concurrency control framework that allows to better analyse concurrent accesses to such hierarchy of data items. Furthermore, modern Object–Oriented Database Management Systems are organised accordingly t...