Black Triangle Scheme

The concept of intensive surveillance of new drugs, achieved in the UK by the introduction of the Black Triangle scheme (see Glossary). 

Black Triangle scheme A scheme introduced in the UK in the 1980s to promote intensive surveillance of new drugs. An inverted black triangle is displayed on all product information as a reminder to health professionals to report all suspected ADRs. The period of intensive surveillance is usually at least two years (see p. 6). 

Figure 2.5 Selective synthesis of pillar[6]arene using chlorocyclohexane as template solvent, (a) Synthetic scheme of pillar[6]arene. Monitoring the reaction Ity (b) SEC and (d) partial NMR spectra (CDCI3, 25 °C) and (c) ratios of monomer 2.19 ( een diamonds), pillar[5]arene 2.20 (blue circles), pillar[6]arene 2.21 (red squares) and oligomers (black triangles) determined by NMR of the reaction mixtures over time.

FIGURE 2.2 Scheme of the split-mix synthesis. The triangles represent the solid support. The white, gray and black circles are amino acids or other kinds of monomers. 

Molded parts prepared at 3% carbon black loading are also shown in Figure 11.5. The relationship between low- (open triangles) and high- (solid triangles) intensity mixing schemes is similar to that for 1% loaded parts. As one would expect, the 3% black loaded parts are darker. 

Figure 16. Sketch of the scheme how to select a proper set of starting points for the EE in d = 2. (a) Sierpinski triangular lattice after the second iteration, all black circles are starting points.. A round this gray shaded triangle the Sierpinski lattice is expanded in a clockwise fashion, (b) to the upper right, (c) downwards, wid (d) to the upper left.

Seismic Tomography of Volcanoes, Fig. 1 Observation schemes used in volcano tomography. Blue triangles depict seismic stations red dots are sources black lines are seismic rays... 

Scheme 3 ATRP activation rate constants for various initiators with Cu X/PMDETA (where X=Br or Cl) in MeCN at 35°C. 3° initiators are in red 2° blue 1° black with isothiocyanate/ thiocyanate half-filled triangle chloride open symbols bromide filled symbols iodide half-filled square, amide T benzyl A ester nitrile O phenyl ester . Reprinted with permission from Tang and Matyjaszewski [27]...

---