Future Possibilities

As is common to most techniques, XPD and AED have spawned related techniques that are too specialized to present in detail here, but the reader should be at least aware of some of the more interesting ones, which show future possibilities. 

Dove, M.J., Burns, R.S. and Evison, J.L. (1986) The use of Kalman Filters in Navigation Systems - Current Status and Future Possibilities. In Proc. of the Int. Conf. on Computer Aided Design, Manf. and Operation in the Marine and Offshore Industries, Keramidas, G.A. and Murthy, T.K.S. (eds.), Springer-Verlag, Washington, DC, pp. 361-374. 

Research in ionic liquid methodology is still young and there is still a lot to explore. Prevention of fundamental research on some new families of ionic liquids by exploitation of an IP position would simply kill off a lot of future possibilities. 

Puls RL, Emery S (2006) Therapeutic vaccination against HIV current progress and future possibilities, Clin Sci (Lond) 110 59-71... 

Of further particular interest was that the crystallographic results on 2,5-DSP and poly-2,5-DSP had pointed out a very important future possibility that an absolute asymmetric synthesis could be achieved if any prochiral molecule, e.g. an unsymmetrical diolefin derivative, could be crystallized into a chiral crystal and if the reaction of the chiral crystal proceeded in the same manner as the 2,5-DSP crystal with retention of the crystal lattice (Wegner, 1972, 1973). Such types of absolute asymmetric synthesis with a high enantiomeric yield have now been performed by topochemical [2+2] photoreaction of unsymmetric diolefin crystals (Addadi etal., 1982 Hasegawa et al., 1990 Chung et al., 1991a,b). 

The following two papers deal mainly with problems in energy conversion, in piarticular, the transformation of irradiation energy into electrical or chemical energy. The present status and future possible developments of photoelectrochemical energy conversion is presented. In a second paper electrochemical developments are connected to colloidal chemistry and the application of colloidal particles as catalysts for electron transfer reactions and as photocatalysts are discussed. 

We shall also outline how bond distances and information pertaining to the distribution of electron density may, in principle, be extracted from measurements carried out using electron microscopy. Finally we touch upon future possible lines of development likely to be of value to the inorganic, surface and analytical chemist. 

Many studies, the first of which began shortly after the discovery of stereoregular polymerization of olefins, demonstrated that macromolecules could adopt stable helical conformations not only in the solid state but also in solution. These efforts have led to the realization that certain helical polymers reach a level of chiral recognition adequate for commercial development as an important aspect of chromatography. Researchers from the leading laboratory in this field, Okamoto, Yashima, and Yamamoto, have written Chapter 3 painting a detailed picture of the current status and future possibilities in this... 

Extrapolating from prior examples of group formation to future possibilities is a deductive process, and so it is perhaps not so unusual to bring Arthur Conan Doyle s Sherlock Holmes into the discussion. As devoted readers will testify, Conan Doyle s stories are filled with physical details, particularly those relating to the persons and behaviors of his characters. Some of those physical traits are immediately observable to other characters in the stories, whereas other physical traits are apparent only after their logical relation to human actions are made evident by Holmes. 

In this chapter we will cover the existing literature on fullerenes for PDT, summarize results from our laboratory and outline future possibilities concerning applications of fullerenes as PS for PDT. Figure 4.1 gives a schematic outline of the PDT applications that have been reported for fullerenes either pristine or functionalized with various solubilizing groups. 

While on the one hand the aspects of Tregs and tolerance induction in allergen-specific immunotherapy and different procedures of vaccination are described, one chapter is added which describes future possibilities of stem cell transplantation in genetically linked disorders. 

As Metcalfe and James (2000 45) highlighted, it is important for us to distinguish between those capabilities which generate the current rents and those which develop that rent-earning capacity. Using the terminology offered by March (1991), one set represents exploitation of the past whereas the other represents an exploration of future possibilities. March pointed out that processes that underlie exploitation are inimical to processes that are required for exploration. Moreover,... 

Vegetable oils have the potential to substitute a fraction of petroleum distillates and petroleum-based petrochemicals in the near future. Possible acceptable converting processes of vegetable oils into reusable products are transesterification, solvent extraction, cracking and pyrolysis. Pyrolysis has received a significant amount of interest as this gives products of better quality compared to any other thermochemical process. The liquid fuel produced from vegetable oil pyrolysis has similar chemical components to conventional petroleum diesel fuel. 

Finally these compounds may also present in the future some interest in the area of novel anti-tumor drugs, or in photochemotherapy [12], Up to now the mechanism of action of the Pt complexes as antineoplastic agents has been extensively examined [13]. In spite of their successful applications, there is a need in compounds that are less toxic than the Pt derivatives. Therefore novel photo-active metallic compounds could offer future possibilities for cancer treatment. The fact that a drug would become active exclusively under illumination might represent an advantage. 

Hughes AJ. (1997) Drug treatment of Parkinson s disease in the 1990s Achievements and future possibilities. Drugs 53 195-205. 

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