跳至主要内容

What to buy Carbon Nanotubes! How much?

What to buy Carbon Nanotubes! How much?



Author(s)  : Muhammad Musaddique Ali Rafique, Javed Iqbal

Gone are the days when Carbon Nanotubes were not available in abundance.

Now unique catalysts and advanced chemical engineering processes have made it possible to produce carbon nanotubes in large quantities. Unique process (CoMOCat®) for the large scale catalytic chemical vapor deposition of carbon nanotubes is now producing carbon nanotubes in large quantities.

In Muhammad Musaddique Ali Rafique’ research review from Department of Metallurgical and Materials Engineering at University of Engineering and Technology, published in Journal of Encapsulation and Adsorption SciencesVol. 1 No. 2, 2011 Scientific Research Publishing. His team reviewed production processes for producing carbon nanotunes. Physical Vapor depositions, Chemical Vapor deposition have been reviwed in extensive detail and a unique process named catalytic chemical vapor deposition has been found to be a large scale process for mass production of single wall carbon nanotubes. Owing to its high production rate, high yield, high purity, no post treatment, continuous nature, cheap raw material usage and low per unit cost this process by bar outperforms its competitive. Based on this technology an Oklahoma based company South West Nanotechnologies, SWeNT is already producing carbon nanotubes on large scale.

Now, there is no need to worry about readymade supply of carbon nanotubes. They are not only available for laboratory needs but also available for large scale usages such as in composites, thermal application, sensors etc.

评论

此博客中的热门博文

A Comparison of Methods Used to Determine the Oleic/Linoleic Acid Ratio in Cultivated Peanut (Arachis hypogaea L.)

Cultivated peanut ( Arachis hypogaea L.) is an important oil and food crop. It is also a cheap source of protein, a good source of essential vitamins and minerals, and a component of many food products. The fatty acid composition of peanuts has become increasingly important with the realization that oleic acid content significantly affects the development of rancidity. And oil content of peanuts significantly affects flavor and shelf-life. Early generation screening of breeding lines for high oleic acid content greatly increases the efficiency of developing new peanut varieties. The objective of this study was to compare the accuracy of methods used to classify individual peanut seed as high oleic or not high oleic. Three hundred and seventy-four (374) seeds, spanning twenty-three (23) genotypes varying in oil composition (i.e. high oleic (H) or normal/not high oleic (NH) inclusive of all four peanut market-types (runner, Spanish, Valencia and Virginia), were individually tested ...

The Influence of Heated Soil in Crop of “Tamaris” Tomato Plants on the Biological Activity of the Rhizosphere Soil

Tomato is a plant with high heat requirements and sensitive to cold weather and frost. The optimum temperature for the growth of tomato plants is between 21˚C and 27˚C during the day and between 17˚C and 21˚C at night. The soil temperature is also very important for plant growth. The optimum soil temperature for tomato cultivation should be within the range 15˚C - 18˚C. Besides, the proper development of the root system depends on the optimal temperature of the soil. A temperature below 14˚C reduces and inhibits the growth of the root system and encourages the development of fungal and bacterial diseases. In this study, the authors aimed to evaluate the effect of heated soil on the population of bacteria, fungi and nematodes inhabiting the soil of tomato cultivar “Tamaris” growing in peat and coconut substrates. The experiment was carried out in 12 treatments and in 3 replications (one slab was one replication). The soils were tested in two different types of containers: cylinders...

Effect of Proline Pretreatment on Grapevine Shoot-Tip Response to a Droplet-Vitrification Protocol

Proline is an α-amino acid that is used in the biosynthesis of proteins. Some studies have shown that proline has been accumulated in plants in response to biotic and abiotic stresses. Exogenous proline has thus been used for improving some plant cryopreservation protocols. Further enhancement of cryopreservation efficiency for  in vitro  grapevines could be expected if stresses linked to cryopreservation procedures could be reduced. In this study, the authors studied the possible beneficial effect of proline in grapevine cryopreservation. Single-node explants from  in vitro  grown grapevine plantlets ( Vitis vinifera  L. cv Portan) were cultured on shooting media (half-strength MS + 1 μM BAP) containing no proline (control) or 50, 500, or 2000 μM filter-sterilized L-proline. Shoot tips excised from these microshoots were subjected to a PVS2-based droplet-vitrification procedure. Control and rewarmed explants were grown on a recovery medium containing ...