S. J. Wei

Dose-dependent differences in the profile of mutations induced by an ultimate carcinogen from benzo[a]pyrene.

Wei, S J, Chang, R L, Wong, C Q, Bhachech, N, Cui, X X, Hennig, E, ...

Mutations in the coding region of the hypoxanthine (guanine) phosphoribosyltransferase (HPRT) gene of Chinese hamster V-79 cells were examined after exposure of the cells to a high cytotoxic dose...

Use of short DNA oligonucleotides for determination of DNA sequence modifications induced by benzo[a]pyrene diol epoxide.

Wei, S J, Desai, S M, Harvey, R G, Weiss, S B

Various organic agents that alkylate DNA are known to induce mutations in bacterial and animal cells. The precise nature and location of modified DNA sequences in such mutants are often difficult to...

Dose-dependent differences in the profile of mutations induced by an ultimate carcinogen from benzo[a]pyrene.

Wei, S J, Chang, R L, Wong, C Q, Bhachech, N, Cui, X X, Hennig, E, ...

Mutations in the coding region of the hypoxanthine (guanine) phosphoribosyltransferase (HPRT) gene of Chinese hamster V-79 cells were examined after exposure of the cells to a high cytotoxic dose...

Use of short DNA oligonucleotides for determination of DNA sequence modifications induced by benzo[a]pyrene diol epoxide.

Wei, S J, Desai, S M, Harvey, R G, Weiss, S B

Various organic agents that alkylate DNA are known to induce mutations in bacterial and animal cells. The precise nature and location of modified DNA sequences in such mutants are often difficult to...

The Big Players in the Foreign Exchange Market: Do They Trade on Information or Noise?

Wei, S.J., Kim, J.

This paper studies whether there exists private information in the foreign exchange market, and whether speculation reduces or exacerbates volatility. It makes use of a recent data set on foreign...

Foreign Portfolio Investors Before and During a Crisis.

Wei, S.J., Kim, W.

Using a unique data set, we study the trading behavior of foreign portfolio investors in Korea before and during the currency crisis. Different categories of investors have significant differences as...