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Showing papers in "Biotechnology Advances in 2009"


Journal ArticleDOI
TL;DR: Silver nanoparticles have emerged up with diverse medical applications ranging from silver based dressings, silver coated medicinal devices, such as nanogels, nanolotions, etc, due to its capability of modulating metals into their nanosize.

5,014 citations


Journal ArticleDOI
TL;DR: The biosorbents widely used for heavy metal removal were reviewed, mainly focusing on their cellular structure, biosorption performance, their pretreatment, modification, regeneration/reuse, modeling of biosor adaptation (isotherm and kinetic models), the development of novel biosorbent, their evaluation, potential application and future.

2,281 citations


Journal ArticleDOI
TL;DR: The use of fungi in low cost bioremediation projects might be attractive given their lignocellulose hydrolysis enzyme machinery.

1,448 citations


Journal ArticleDOI
TL;DR: The present work is aimed at the reviewing of the oxygen transfer rate (OTR) in bioprocesses to provide a better knowledge about the selection, design, scale-up and development of bioreactors.

1,203 citations


Journal ArticleDOI
TL;DR: The ability of these CO2 consuming microalgae to purify biogas and concentrate methane is discussed, and anaerobic digestion of the whole biomass appears to be the optimal strategy on an energy balance basis for the energetic recovery of cell biomass.

1,153 citations


Journal ArticleDOI
TL;DR: Glycerol bioconversion in valuable chemicals, such as 1,3-propanediol, dihydroxyacetone, ethanol, succinate etc. is discussed in this review article.

1,031 citations


Journal ArticleDOI
TL;DR: The role of different antioxidants as potential selection criteria for improving plant salt tolerance has been critically discussed and the potential of this approach in counteracting stress-induced oxidative stress has been discussed at length in this review.

1,025 citations


Journal ArticleDOI
TL;DR: Various purification techniques for higher recovery of glucose oxidase are described here, and issues of enzyme kinetics, stability studies and characterization are addressed.

976 citations


Journal ArticleDOI
TL;DR: The most popular system for producing recombinant mammalian glycosylated proteins is that of mammalian cells while transgenic plants such as Arabidopsis thaliana and others can generate many recombinant proteins.

894 citations


Journal ArticleDOI
TL;DR: This review summarizes hitherto gained knowledge and experience in biotechnological production of 2,3-BD, sources of biomass used, employed microorganisms both wild type and genetically improved strains, as well as operating conditions applied.

534 citations


Journal ArticleDOI
TL;DR: Present review gives an overview on 1,3-propanediol production by wild and recombinant strains, and attempts to encompass the various issues concerned in utilization of crude glycerol for 1, 3-pro panediolProduction, with particular emphasis laid on biodiesel industries.

Journal ArticleDOI
TL;DR: The aim of this review paper is to summarize the results of reductive (bio)transformation processes catalyzed by electron shuttles and to indicate which aspects should be further investigated to enhance the applicability of redox mediators on the (biotransformation of contaminants.

Journal ArticleDOI
TL;DR: The starting oils usually employed in biodiesel production, the processes for transforming them to biodiesel placing particular emphasis on enzymatic transesterification and the key operational variables and the technological alternatives for attenuating lipase deactivation are reviewed.

Journal ArticleDOI
TL;DR: This review provides an overview of the models published thus far, classifies and tabulates these models, and presents an analysis of their basic assumptions, including rate-limiting factors and basic substrate-enzyme interactions.

Journal ArticleDOI
TL;DR: This paper reviews the application of fungal immobilisation to dye removal and finds processes using immobilised growing cells seem to be more promising than those with free cells, since the immobilisation allows using the microbial cells repeatedly and continuously.

Journal ArticleDOI
TL;DR: The FTIR profiles for the main pyrolysis products (CO(2), CO, methane, methanol, phenols and formaldehyde) were analyzed and the variation in pyrolynsis products between the different MWLs was investigated.

Journal ArticleDOI
TL;DR: This review analytically compares the achievements made so far in terms of producing salt-tolerant lines/cultivars through conventional breeding or genetic engineering and genetic engineering for improving crop salt tolerance.

Journal ArticleDOI
TL;DR: Simultaneous saccharification and fermentation can replace the classical double step fermentation by the saccharization of starchy or cellulosic biomass and conversion to lactic acid concurrently by adding inoculum along with the substrate degrading enzymes.

Journal ArticleDOI
TL;DR: This review examines the recent developments in use of transgenic-plants for the enhanced metabolism, degradation and phytoremediation of organic xenobiotics and its future directions.

Journal ArticleDOI
TL;DR: Overall CSMs are striking targets in biotechnology and biomedical research, because of their potential applications in agriculture, industry, and especially in pharmaceuticals.

Journal ArticleDOI
TL;DR: The demand for vegetable oils for food, fuel (bio-diesel) and bio-product applications is increasing rapidly and it is estimated that a 50 to 75% increase in canola oil production will be required to meet the demand for seed oil in the next 7-10years.

Journal ArticleDOI
TL;DR: A critical review of different strategies which have been employed for the detection, purification and characterization of microbial lipases is presented.

Journal ArticleDOI
TL;DR: The CO(2) gasification reactivity of fir char was improved through the addition of metal catalysts, in the order K>Na>Ca>Fe>Mg>Na and Ca, and that Mg enhanced the degree of carbon structure ordering.

Journal ArticleDOI
TL;DR: A probable signaling pathway and mechanism by which silver nanoparticles target the cancer cells are illustrated and a upsurge in research on the synthesis routes that allow better control of shape and size for various nanotechnological applications is motivated.

Journal ArticleDOI
TL;DR: History of the development of Aspergillus as an expression host, current state of the art and future directions are reviewed, touching on related research in other fungi when discussing the areas of greatest potential for future biotechnological applications.

Journal ArticleDOI
TL;DR: This review will show the tremendous versatility and importance of scFv fragments as they provide the basic antigen binding unit for a multitude of engineered Abs for use as human therapeutics and diagnostics.

Journal ArticleDOI
TL;DR: The results demonstrate that it is possible to grow energy crops on Cd-contaminated soil and Hemp, flax and peanut are excellent candidates for phytoremediation.

Journal ArticleDOI
TL;DR: It is envisaged that POME can be sustainably reused as a fermentation substrate in the production of various metabolites, fertilizers and animal feeds through biotechnological advances.

Journal ArticleDOI
TL;DR: A comprehensive assessment of the intermediary enzymes involved in butanol formation from carbohydrates by the saccharolytic bacterium, Clostridium acetobutylicum and other closely allied clostridia was performed to provide guidelines for potentially enhancing butanol productivity.

Journal ArticleDOI
Nanqi Ren1, Aijie Wang1, Guang-Li Cao1, Ji-Fei Xu1, Lingfang Gao1 
TL;DR: This paper provides an up-to-date review on recent research development in biotechnology-based lignocellulosic biomass- to-H(2) conversion and sheds light on the perspectives on the ligni celluloses bioconversion, and on the scientific and technical challenges faced.