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Transgenic Bt cotton is expected to provide satisfactory control of several lepidopteran species in cotton. The Asian corn borer (ACB), Ostrinia furnacalis (Guenée), is an important component of the lepidopteran pest complex of cotton in China. Monsanto's transgenic Bt cotton NC 33B, expressing Cry1Ac protein, and a Chinese transgenic Bt cotton GK-2, expressing Cry1A protein, were evaluated for resistance...
Monodisperse Au at SiO 2 nanoparticles has been functionalized with carboxylic groups for further bioconjugation with amino-terminated oligonucleotides. The oligonucleotide-modified Au at SiO 2 nanoprobes have been applied in the fast colorimetric DNA based on the sequence-specific hybridization properties of DNA. Self-assembling behavior of Au at SiO 2 nanoparticles was also...
We answer this question by comparing the risk-neutral density estimated in complete markets from cross-section of S&P 500 option prices to the risk-neutral density inferred from the time series density of the S&P 500 index. If investors are risk-averse, the latter density is different from the actual density that could be inferred from the time series of S&P 500 returns. Naturally, the...
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