Activ glass

Laswell et al., 1971 Arato, 1974). All were prone to excessive dissolution and only one had adequate strength and film thickness. Their working characteristics were found to be unduly sensitive to changes in temperature and humidity (Simmons, D Anton Hudson, 1968). All were inferior to conventional zinc phosphate cements. No further development of these cements has taken place, nor is it likely that interest in them will be revived. The modem water-activated glass-ionomer cement has filled this niche and has vastly superior properties including adhesion to tooth material. 

Chirife, J. and Buera, M.P. 1994. Water activity, glass transition and microbial stability in concentrated and semimoist food systems. J. Food Sci. 59, 921-927. 

Fig. 10 a Scheme of dendrimer generation 4 and b description of surface activation to fix the dendrimers and immobilization method for covalent binding of NAs on the activated glass surface [42]... 

Perhaps the first published demonstration of high density applications for protein microarrays came from the work of MacBeath and Schreiber at Harvard (2000). Proteins were arrayed onto aldehyde-activated glass slides and analyzed in much the same manner described for the creation of cDNA microarrays (Schena et al., 1995), including the use of dual-color label... 

Chf.ron, P., Chevalier, P. et al. 1995. Examination and testing of an active glass sample produced by COGEMA. In Murakami, T. Ewing, R. C. (eds) Scientific Basis for Nuclear Waste Management XVIII. Materials Research Society Symposia Proceedings, 353, 55-62. 

The borane technique, described earlier for In203 preparation, was also used to deposit ZnO on Sn/Pd-activated glass using a solution of Zn(N03)2 and dimethylamine borane at 50°C [59], The films were randomly oriented polycrys-talhne ZnO, and the crystals were hexagonal shaped, with a typical size of 0.2 jim, at moderately high dimethylamine borane concentrations at low concentrations, the grains were smaller and more irregular. 

It is quite interesting to note that the neodymium-decay time is 25 per cent larger in the coactivated glass than in the single activated glass. This could be due to changes in either radiative or non-radiative-transition probabilities. The authors do not give an explanation as to the nature of the increase. 

Stimulated emission from holmium-activated glass, was also observed by Gandy and Ginther (170). At liquid nitrogen temperature in the LiMgAlSi03 base glass containing approximately 1 cationic mole per cent holmium, they find a lifetime of 700 200 /nsec. The transition was 5/7- 5/8. 

Based upon some earlier work on doubly activated glasses (172,134,133), Gandy et al. (173) were able to obtain energy transfer in triply activated... 

Fig. 8 Immobilizing of streptavidin or biotin on mercaptotrimoxysilane-activated glass surfaces, a SAM of PEDA is created on a silicon surface and a mask is used to direct 193 nm light to attach PEDA at specific locations. A SMPB layer is attached to the remaining PEDA layer and thiolated oligonucleotides attached to the penultamine sulhydryl groups...

In the most efficiently trained, best performing rats the acquired drive was so powerful that it suppressed even innate drives. When such a rat has been deprived of food for 48 h and then food was offered within the usual setup that contained the glass-cylinder, the rat looked for the glass cylinder and left the food untouched. Similarly, when a receptive female was offered to a sexually fully active glass-cylinder-seeking male rat in the usual setup, the male looked for the glass-cylinder and neglected the receptive female. 

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