Advantages of Heating

Generally, heat treatment is superior to enzyme digestion for antigen retrieval. For example, when using polyclonal anti-kappa and anti-lambda antibodies (1 500), 

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Because of the excellent gas barrier properties, EVOH is of interest as a packaging material. However, because of its high water absorption it is usually used as an internal layer in a co-extruded film, sheet, bottle or tube. For example, the system HDPE-EVOH-EVA may be used as a barrier film for packaging cereals, and the system polystyrene-EVOH-polystyrene for packaging coffee and cream, whilst the system polystyrene-EVOH-polyethylene has the additional advantage of heat scalability. 

Little comment can be made on the uses of this material except that it is used in some mouldings where the advantages of heat resistance, low temperature performance and oil resistance, roughly equivalent to that of polychloroprene, can be utilised. It has been investigated for use in engine mounts and transmission belting. 

The advantages of heat treatment [131] are reduction in the density and viscosity of the oU and an increased solubUity of the surfactants in both the oil and water phases. This in turn leads to a weakening of the interfacial film. The main disadvantage is that heat treatment by itself is slow demulsification kinetics. 

The mechanisms of heat-assisted transdermal delivery include an increase in drug diffusion, increase in skin permeability, alteration of skin structure, increase in body circulation, and increase in the release rate of drug from local skin tissue into systemic circulation. Heat can also increase drug solubility. The advantage of heat control is that it does not involve chemical... 

For systems based on low-temperature PEMFCs, the optimal metal ammine would be a material that has a suitable ammonia release profile below 80 °C. This would take advantage of heat integration similar to the way in which waste heat is used to release hydrogen from a metal hydride canister. The metal ammine complex should release the ammonia without causing any additional system losses than that of the ammonia cracker (a theoretical efficiency of 86% and typically above 70% in real systems Thomas and Parks, 2006). 

Dehydration by liquid circulation This technique is almost always used in hot services ( > 200 to 250°F). It has the added advantage of heating up the column at the same time. The circulation needs to be performed at a positive pressure so that water can be drained from low points. 

The three major advantages of heat pump dryers are [60] ... 

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