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- Ki Sun Yoon, Charles Burnette, Khaled A Abou-Zeid, Richard C. Whiting
- Journal of food protection
- 2004

In this study, we evaluated the antimicrobial effects of different levels of a potassium lactate (PL) plus sodium diacetate (SDA) mixture against the growth and survival of Listeria monocytogenes Scott A inoculated onto smoked salmon stored at 4, 10, and -20 degrees C. The effect of freezing stress on the growth kinetics of L. monocytogenes Scott A on… (More)

If f is a polynomial of degree d in Fq[x], let ck(f) be the number of cycles of length k in the directed graph on Fq with edges {(v, f(v))}v∈Fq . For random polynomials, the numbers ck, 1 ≤ k ≤ b, have asymptotic behavior resembling that for the cycle lengths of random functions f : [q] → [q]. However random polynomials differ from random functions in… (More)

- Ki Sun Yoon, Charles Burnette, Thomas P Oscar
- Journal of food protection
- 2004

The objective of this study was to model the kinetics of the survival of Campylobacter jejuni on cooked chicken breast patties and in broth as a function of temperature. Both patties and broth were inoculated with 10(6) stationary-phase cells of a single strain of C. jejuni (ATCC 43051) and incubated at constant temperatures from 4 to 30 degrees C in 2… (More)

- Ki Sun Yoon, Charles Burnette, Richard C. Whiting
- Journal of food protection
- 2003

The objective of this study was to compare the effects of pH on the growth kinetics of Listeria monocytogenes Scott A in static and agitated broths stored at 4 and 10 degrees C with and without a combination of 1.85% potassium lactate (PL) and 0.13% sodium diacetate (SDA) (3.3% of a 60% commercial solution, PURASAL P Opti. Form 4). The pH of brain heart… (More)

An involution is a permutation that is its own inverse. Given a permutation σ of [n], let Nn(σ) denote the number of ways to write σ as a product of two involutions of [n]. If we endow the symmetric groups Sn with uniform probability measures, then the random variables Nn are asymptotically lognormal. The proof is based upon the observation that, for most… (More)

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