Green factories

In recent years, plants have emerged as a promising new system for the production of recombinant proteins. Plants are widely described as green factories because they provide possible solutions to several of the safety and economic concerns raised by animal systems. The advantages of plants include economical large-scale... 

Xu, J., Dolan, M.C., Medrano, G. et al. (2012) Green factory plants as bioproduction platforms for recombinant proteins. Biotechnology Advances, 30, 1171-1184. 

Fig. P-30. Photosynthesis. With their tops In the sun and their roots In the soil, plants are green factories producing energy. (Courtesy, University of Maryland, College F rk, Md.)...

Technically, green factories are known as photosynthetic plants, and 4-stomached animals are called ruminants together, they convert and store energy in a form available to man. Not only that They are relatively free from political control they are universally available on a renewable basis and, properly managed, they enhance the quality of the environment. Besides, they re free of cancer-laden carcinogens. 

According to Fox, op. cit. (11), Perkin Sons needed to both expand and relocate the factory (which was without rail connections) to compete successfully. The partners considered this to be too risky and sold out at the end of 1873 (p. 99). The BASF company, which had a trading arrangement with Perkin Sons over artificial alizarin, expressed no interest in purchasing the Greenford Green factory, the equipment of which was almost outmoded. 

Fermentation. The term fermentation arose from the misconception that black tea production is a microbial process (73). The conversion of green leaf to black tea was recognized as an oxidative process initiated by tea—enzyme catalysis circa 1901 (74). The process, which starts at the onset of maceration, is allowed to continue under ambient conditions. Leaf temperature is maintained at less than 25—30°C as lower (15—25°C) temperatures improve flavor (75). Temperature control and air diffusion are faciUtated by distributing macerated leaf in layers 5—8 cm deep on the factory floor, but more often on racked trays in a fermentation room maintained at a high rh and at the lowest feasible temperature. Depending on the nature of the leaf, the maceration techniques, the ambient temperature, and the style of tea desired, the fermentation time can vary from 45 min to 3 h. More highly controlled systems depend on the timed conveyance of macerated leaf on mesh belts for forced-air circulation. If the system is enclosed, humidity and temperature control are improved (76). 

The conversion of freshly harvested green leaf to products of commerce is carried out in factories on large tea estates. When tea is grown on small plots, manufacturing is effected at centralized facilities. The three major types of tea manufacturing result in the production of green tea, black tea, and oolong tea. 

Note 1 Accdg to Marshall (Ref 11, p 48), the pdr was very successful and a separate company was formed which constructed a factory at Green, near Dartford in Kent Note 2 Powders of von Lenk, Schultze and EC were too quick for use in rifled firearms. 

A GROWING PLANT IS THE MOST ASTONISHING CHEMICAL FACTORY ON EARTH. THE GREEN SUBSTANCE IN LEAVES—CALLED CHLOROPHYLL—WITH THE HELP OF SUNLIGHT IS ABLE TO COMBINE WATER (TAKEN IN BY THE ROOTS) WITH CARBON DIOXIDE FROM THE AIR (TAKEN IN THROUGH THE LEAVES) TO FORM SUGAR FIRST AND THEN STARCH. 

Jane Chang is an Assistant Professor in the Department of Applied Statistics and Operations Research at Bowling Green State University. Her research interests are in optimal experimental design, the design and analysis of microarray experiments, and multiple testing in two-level factorial designs. 

Factory yields are generally higher than the 75% used here for illustrative purposes. It is easily possible to crystallize to a final, greens D-glucose content of 60%, with 95% of D-glucose in the first crystallizer-liquor this corresponds to a yield of 87.5%. Often, however,... 

To a certain extent the plants may take up pollution elements directly from the air. The harmful fluorine components from the aluminum factories may to a great extent appear as a cover on the green plants. This type of consequence is only present as long as the pollution persists, contrary to effects from elements added to the soil. 

British-made synthetic indigo was produced by Levinstein Ltd in 1916 at the sequestered Ellesmere port factory of Hoechst, where the antiseptic acriflavine (44) and novocaine (45) were also produced. During World War I, Levinstein s highly qualified technical team, led by Arthur Green, developed close links with academic institutions. In November 1918,... 

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