Fu Liu

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The s-lecture hall polytopes P s are a class of integer polytopes defined by Savage and Schuster which are closely related to the lecture hall partitions of Eriksson and Bousquet-Mélou. We define a half-open parallelopiped Par s associated with P s and give a simple description of its integer points. We use this description to recover earlier results of(More)
Metamaterials are effectively homogeneous materials that display extraordinary dispersion. Negative index metamaterials, zero index metamaterials and extremely anisotropic metamaterials are just a few examples. Instead of using locally resonating elements that may cause undesirable absorption, there are huge efforts to seek alternative routes to obtain(More)
The aim of this study was to examine the effects of esophageal cancer-related gene 4 (ECRG4) expression levels on chemotherapeutic sensitivity of gastric cancer cells. A SGC-7901 cell system with tetracycline-inducible ECRG4 expression (SGC-7901/ECRG4) was successfully established. ECRG4 mRNA and protein expression levels were detected using quantitative(More)
Tilted fiber Bragg grating (TFBG) biosensors can be used as a cost-effective and relatively simple-to-implement alternative to well established biosensor platforms for high sensitivity biological sample measurements in situ or possibly in vivo. The fiber biosensor presented in this study utilizes an in-fiber 12° tilted Bragg grating to excite a strong(More)
A large number of prokaryotes have been produced, so how to provide a means to describe and distinguish them accurately is becoming a key issue of prokaryotic taxonomy. We proposed an efficient algorithm to filter out most genome fragments that are horizontally transferred, and extracted a new genome vector (GV). To highlight the power of GV, we applied it(More)
In this study, we investigated whether COL4A3 mRNA expression levels were associated with clinical outcomes after treatment with a combination of gemcitabine (Gem)/cis-diamminedichloroplatinum(II) (CDDP) regimen for patients with advanced stage non-small cell lung cancer (NSCLC). Response and survival were correlated with the level of COL4A3 expression in(More)