The study of hydrogels and their response to external environment is of special interest because of their potential as drug delivery systems,1,2 actuators,3 and separation devices.4,5 Temperature-sensitive hydrogels undergo a reversible swellingdeswelling transition with a small change of temperature near the phase transition point.6 A frequently studied thermosensitive hydrogel is based on sol...

This paper describes an evaluation of the disclosure protection methods for the Individual Tax Model Public Use File (PUF) released by the Statistics of Income (SOI) Program of the Internal Revenue Service. The purpose of this evaluation is to explore options to strengthen disclosure protection while limiting information loss for tax returns with high incomes. We first present the introduction ...

Early in his career, the senior author (RCH) became interested in the experimental study of cerebral vasospasm, which continues to be one of the most important causes of morbidity from subarachnoid hemorrhage (SAH).21–23,45 The initial approach was to find a single pharmacological agent, the so-called “silver bullet,” to prevent and reverse vasospasm. Arterial smooth muscle relaxants were the f...

Survey data is often released as microdata. Survey respondents are thus subjected to the risk of reidenti f icat ion and disclosure of confidential data, even when identi fying information such as name and address is deleted prior to release of data. To avoid this disclosure problem, m easures of m asking the data have been proposed. They include adding random error, multiplying by random error...

Japan’s new Statistics Act has come fully into effect in April 2009. The new law allows access to Anonymized microdata, and at the same time it requires users to go through an application process and imposes some restrictions. The National Statistics Center (NSTAC) has developed a type of microdata which can be accessed without an application process and used without restrictions. These data do...