This article takes both a short-term and a long-term look at trends in social welfare expenditures under public programs. For fiscal year 1975, inflation and the recession were the key to developments. Inflation ate up more than half the 20 percent ($47 billion increase--the largest in the history of the series--partly as the result of antirecession measures. After adjustment for population and...

Amino acids and peptides are known to bind metal ions, in some cases very strongly. There are only a few examples of exploiting this binding in sensors. The review covers the current literature on the interaction of peptides and metals and the electrochemistry of bound metal ions. Peptides may be covalently attached to surfaces. Of particular interest is the attachment to gold via sulfur linkag...