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- Tao Feng, Qing Xiang
- J. Comb. Theory, Ser. A
- 2012

Article history: Received 12 January 2011 Available online xxxx

- Jijun Pan, Qing Xiang, Simon E Ball
- Drug metabolism and disposition: the biological…
- 2000

In this study, we developed a real-time quantitative reverse transcription-polymerase chain reaction (RT-PCR) method to study cytochrome P450 (CYP) mRNA regulation by cytokines in mouse liver. The method combines standard RT-PCR with a fluorogenic probe in which the intensity of fluorescence is proportional to the amount of target template present. We show… (More)

- Richard M. Wilson, Qing Xiang
- J. Comb. Theory, Ser. A
- 1997

Using a spread of PG(3; p) and certain projective two-weight codes, we give a general construction of Hadamard diierence sets in groups H (Z p) 4 , where H is either the Klein 4-group or the cyclic group of order 4, and p is an odd prime. In the case p 3 (mod 4), we use an ovoidal bration of PG(3; p) to construct Hadamard diierence sets, this construction… (More)

- K. T. Arasu, Qing Xiang
- Des. Codes Cryptography
- 1992

A set of binary sequences (here binary means the element of the sequence is +1 or -1.) is called a set of periodic complementary binary sequences (PCS) if the sum of the periodic autocorrelation functions of all sequences is a delta function. More precisely, let {al, 0 _< i <_ p -1} be a set of p binary sequences each with N elements. Every element of the a… (More)

- Peter Sin, Qing Xiang
- IEEE Trans. Information Theory
- 2006

An explicit construction of a family of binary LDPC codes called LU(3, q), where q is a power of a prime, was recently given. A conjecture was made for the dimensions of these codes when q is odd. The conjecture is proved in this note. The proof involves the geometry of a 4-dimensional symplectic vector space and the action of the symplectic group and its… (More)

Using reversible Hadamard difference sets, we construct symmetric Bush-type Hadamard matrices of order 4m4 for all odd integers m.

- Tao Feng, Qing Xiang
- 2010

We give two constructions of strongly regular Cayley graphs on finite fields Fq by using union of cyclotomic classes and index 2 Gauss sums. In particular, we obtain twelve infinite families of strongly regular graphs with new parameters.

- Yasunori Aizawa, Qing Xiang, Alan M. Lambowitz, Anna Marie Pyle
- Molecular cell
- 2003

Group II intron RNPs are mobile genetic elements that attack and invade duplex DNA. In this work, we monitor the invasion reaction in vitro and establish a quantitative kinetic framework for the steps of this complex cascade. We find that target site specificity is achieved after DNA binding, which occurs nonspecifically. RNP searches the bound DNA before… (More)

- Guobiao Weng, Weisheng Qiu, Zeying Wang, Qing Xiang
- Des. Codes Cryptography
- 2007

Let (K,+, ∗) be an odd order presemifield with commutative multiplication. We show that the set of nonzero squares of (K, ∗) is a skewHadamard difference set or a Paley type partial difference set in (K,+) according as q is congruent to 3modulo 4 or q is congruent to 1 modulo 4. Applying this result to the Coulter–Matthews presemifield and the Ding–Yuan… (More)

- Xin-Jie Chu, Wanda Depinto, +18 authors Nader Fotouhi
- Journal of medicinal chemistry
- 2006

The cyclin-dependent kinases (CDKs) and their cyclin partners are key regulators of the cell cycle. Since deregulation of CDKs is found with high frequency in many human cancer cells, pharmacological inhibition of CDKs with small molecules has the potential to provide an effective strategy for the treatment of cancer. The 2,4-diamino-5-ketopyrimidines 6… (More)