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- J A Finlay, V J Allan, A Conner, M E Callow, G Basnakova, L E Macaskie
- Biotechnology and bioengineering
- 1999

A heavy metal-accumulating Citrobacter sp. was grown in carbon-limiting continuous culture in an air-lift fermentor containing raschig rings as support for biofilm development. Planktonic cells from the culture outflow were immobilized in parallel on raschig rings by chemical coupling (silanization), for quantitative comparison of phosphatase activity and… (More)

- Andrew Conner
- 2003

Investors in alternative asset classes such as private equity and hedge funds have long had difficulty applying traditional models for making asset allocation decisions. The optimization techniques of modern portfolio theory rely heavily on a trio of descriptive statistics: mean, variance, and covariance. For most traditional asset classes, the abundance of… (More)

Generalizing the notion of a Koszul algebra, a graded kalgebra A is K2 if its Yoneda algebra ExtA(k, k) is generated as an algebra in cohomology degrees 1 and 2. We prove a strong theorem about K2 factor algebras of Koszul algebras and use that theorem to show the Stanley-Reisner face ring of a simplicial complex ∆ is K2 whenever the Alexander dual… (More)

- H G Barth, A Z Conner
- Journal of chromatography
- 1977

An improved high-pressure liquid chromatographic method for the determination of doxorubicin hydrochloride (Adriamycin TM) in pharmaceutical preparations has been developed. A liquid-solid system using microporous silica (Zorbax) as the stationary phase and 3.8% 0.5 M sodium acetate buffer (pH 4.5) in isopropanol as the mobile phase gave optimum separation… (More)

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