A Comparative DSC Method for Physical Aging Measurement of Polymers. (9999)
Qi, Z. N., Wan, Z. H., Chen, Y. P.
A method of comparitive DSC is proposed for the study of physical aging. The essentials of the comparative DSC technique consists of comparing the enthalpy relaxation behaviour of an aged sample with...
Experimental studies of Bose-Einstein condensates in disorder (2009)
Chen, Y. P., Hitchcock, J., Dries, D., Junker, M., Welford, C., Pollack, S. E., ...
Breakdown of the N=0 Quantum Hall State in graphene: two insulating regimes (2009)
Zhang, L., Camacho, J., Cao, H., Chen, Y. P., Khodas, M., Kharzeev, D., ...
We studied the unusual Quantum Hall Effect (QHE) near the charge neutrality point (CNP) in high-mobility graphene sample for magnetic fields up to 18 T. We observe breakdown of the delocalized QHE...
Extreme tunability of interactions in a $^7$Li Bose-Einstein condensate (2008)
Pollack, Scott E., Dries, D., Junker, M., Chen, Y. P., Corcovilos, T. A., Hulet, R. G.
We use a Feshbach resonance to tune the scattering length a of a Bose-Einstein condensate of 7Li in the |F = 1, m_F = 1> state. Using the spatial extent of the trapped condensate we extract a over a...
Observation of pinning mode of stripe phases of 2D systems in high Landau levels (2008)
Sambandamurthy, G., Lewis, R. M., Zhu, Han, Chen, Y. P., Engel, L. W., Tsui, D. C., ...
We study the radio-frequency diagonal conductivities of the anisotropic stripe phases of higher Landau levels near half integer fillings. In the hard direction, in which larger dc resistivity occurs,...
Photoassociation of a Bose-Einstein Condensate near a Feshbach Resonance (2008)
Junker, M., Dries, D., Welford, C., Hitchcock, J., Chen, Y. P., Hulet, R. G.
We measure the effect of a magnetic Feshbach resonance (FR) on the rate and light-induced frequency shift of a photoassociation resonance in ultracold $^7$Li. The photoassociation-induced loss rate...
Phase coherence and superfluid-insulator transition in a disordered Bose-Einstein condensate (2008)
Chen, Y. P., Hitchcock, J., Dries, D., Junker, M., Welford, C., Hulet, R. G.
We have studied the effects of a disordered optical potential on the transport and phase coherence of a Bose-Einstein condensate (BEC) of Li-7 atoms. At moderate disorder strengths (V-D), we observe...
Atomic force microscope local oxidation nanolithography of graphene (2008)
Weng, L. S., Zhang, L. Y., Chen, Y. P., Rokhinson, L. P.
We demonstrate the local oxidation nanopatterning of graphene films by an atomic force microscope. The technique provides a method to form insulating trenches in graphene flakes and to fabricate...
Graphene segregated on Ni surfaces and transferred to insulators (2008)
Yu, Q. K., Lian, J., Siriponglert, S., Li, H., Chen, Y. P., Pei, S. S.
Two-Dimensional Electron Gas in InGaAs/InAlAs Quantum Wells (2006)
Diez, E., Chen, Y. P., Avesque, S., Hilke, M., Peled, E., Shahar, D., ...
We designed and performed low temperature DC transport characterization studies on two-dimensional electron gases confined in lattice-matched In$_{0.53}$Ga$_{0.47}$As/In$_{0.52}$Al$_{0.48}$As quantum...
Characterisation of the H-mode Edge Barrier at ASDEX Upgrade (2005)
Horton,L. D., Chankin,A. V., Chen,Y. P., Conway,G. D., Coster,D. P., Eich,T., ...
Characterisation of the H-mode Edge Barrier at ASDEX Upgrade (2005)
Horton,L. D., Chankin,A. V., Chen,Y. P., Conway,G. D., Coster,D. P., Eich,T., ...
Characterisation of the H-mode Edge Barrier at ASDEX Upgrade (2005)
Horton, L. D., Chankin, A. V., Chen, Y. P., Conway, G. D., Coster, D. P., Eich, T., ...
Characterisation of the H-mode Edge Barrier at ASDEX Upgrade (2005)
Horton, L. D., Chankin, A. V., Chen, Y. P., Conway, G. D., Coster, D. P., Eich, T., ...
The study of polygyny in Solenopsis invicta Buren has demonstrated that the attractiveness of individual co-existing queens to workers appears to play a critical role in queen nutritional status and...
An Algorithm for Zero-Skew Clock Tree Routing with Buffer Insertion (1996)
We study the problem of multi-stage zero skew clock tree construction for minimizing clock phase delay and wirelength. In existing approaches clock buffers are inserted only after clock tree is...
On Retiming for FPGA Logic Module Minimization (1994)
In this paper, we consider the problem of minimizing the number of logic modules for Actel 2 or Actel 3 sequential circuits. We make use of the fact that if a flip-flop is the only destination of its...
Characterisation of the H-mode Edge Barrier at ASDEX Upgrade
Horton,L. D., Chankin,A. V., Chen,Y. P., Conway,G. D., Coster,D. P., Eich,T., ...
Chen, Y P, Djaffar, I, Pidard, D, Steiner, B, Cieutat, A M, Caen, J P, ...
Integrins are membrane receptors which mediate cell-cell or cell-matrix adhesion. Integrin alpha IIb beta 3 (glycoprotein IIb-IIIa) acts as a fibrinogen receptor of platelets and mediates platelet...
Tong, H. H., Blue, L. E., James, M. A., Chen, Y. P., DeMaria, T. F.
Nontypeable Haemophilus influenzae (NTHI) has four loci, lic-1 to lic-3 and lgtC, that generate phase-variable lipooligosaccharide (LOS) structures. lic-1, which is required for the expression of...
Synthesis of the Caulobacter ferredoxin protein, FdxA, is cell cycle controlled.
Wang, S P, Kang, P J, Chen, Y P, Ely, B
The fdxA gene was identified upstream of and in the opposite direction from the Caulobacter crescentus cysC gene. Analyses of the nucleotide sequence and the deduced amino acid sequence of the fdxA...
A gene, fdxP, was identified upstream of the rrnA gene in Caulobacter crescentus and shown to encode ferredoxin II (FdII) by insertional inactivation. FdII is homologous to a class of [2Fe-2S]...
A ferredoxin-NAD+ oxidoreductase (EC 1.18.1.3) has been isolated from extracts of the obligate methanotroph Methylosinus trichosporium OB3b. This enzyme was shown to couple electron flow from formate...
Formate dehydrogenase from the methane oxidizer Methylosinus trichosporium OB3b.
Yoch, D C, Chen, Y P, Hardin, M G
Formate dehydrogenase (NAD+ dependent) was isolated from the obligate methanotroph Methylosinus trichosporium OB3b. When the enzyme was isolated anaerobically, two forms of the enzyme were seen on...
Two uptake hydrogenases were found in the obligate methanotroph Methylosinus trichosporium OB3b; one was constitutive, and a second was induced by H2. Both hydrogenases could be assayed by measuring...
Chen, Y. P., Higgins, J. A., Feldlaufer, M. F.
Deformed wing virus (DWV) can cause wing deformity and premature death in adult honeybees, although like many other bee viruses, DWV generally persists as a latent infection with no apparent...
A new alternative transcript encodes a 60 kDa truncated form of integrin beta 3.
Djaffar, I, Chen, Y P, Creminon, C, Maclouf, J, Cieutat, A M, Gayet, O, ...
A cDNA for integrin beta 3 isolated from a human erythroleukaemia (HEL) cell library contained a 340 bp insert at position 1281. This mRNA, termed beta 3c, results from the use of a cryptic AG donor...
Prevalence and Transmission of Honeybee Viruses
Chen, Y. P., Pettis, J. S., Collins, A., Feldlaufer, M. F.
Transmission mechanisms of six honeybee viruses, including acute bee paralysis virus (ABPV), black queen cell virus (BQCV), chronic bee paralysis virus (CBPV), deformed wing virus (DWV), Kashmir bee...
Chen, Y P, Djaffar, I, Pidard, D, Steiner, B, Cieutat, A M, Caen, J P, ...
Integrins are membrane receptors which mediate cell-cell or cell-matrix adhesion. Integrin alpha IIb beta 3 (glycoprotein IIb-IIIa) acts as a fibrinogen receptor of platelets and mediates platelet...
Tong, H. H., Blue, L. E., James, M. A., Chen, Y. P., DeMaria, T. F.
Nontypeable Haemophilus influenzae (NTHI) has four loci, lic-1 to lic-3 and lgtC, that generate phase-variable lipooligosaccharide (LOS) structures. lic-1, which is required for the expression of...
Synthesis of the Caulobacter ferredoxin protein, FdxA, is cell cycle controlled.
Wang, S P, Kang, P J, Chen, Y P, Ely, B
The fdxA gene was identified upstream of and in the opposite direction from the Caulobacter crescentus cysC gene. Analyses of the nucleotide sequence and the deduced amino acid sequence of the fdxA...
A gene, fdxP, was identified upstream of the rrnA gene in Caulobacter crescentus and shown to encode ferredoxin II (FdII) by insertional inactivation. FdII is homologous to a class of [2Fe-2S]...
A ferredoxin-NAD+ oxidoreductase (EC 1.18.1.3) has been isolated from extracts of the obligate methanotroph Methylosinus trichosporium OB3b. This enzyme was shown to couple electron flow from formate...
Formate dehydrogenase from the methane oxidizer Methylosinus trichosporium OB3b.
Yoch, D C, Chen, Y P, Hardin, M G
Formate dehydrogenase (NAD+ dependent) was isolated from the obligate methanotroph Methylosinus trichosporium OB3b. When the enzyme was isolated anaerobically, two forms of the enzyme were seen on...
Two uptake hydrogenases were found in the obligate methanotroph Methylosinus trichosporium OB3b; one was constitutive, and a second was induced by H2. Both hydrogenases could be assayed by measuring...
Chen, Y. P., Higgins, J. A., Feldlaufer, M. F.
Deformed wing virus (DWV) can cause wing deformity and premature death in adult honeybees, although like many other bee viruses, DWV generally persists as a latent infection with no apparent...
A new alternative transcript encodes a 60 kDa truncated form of integrin beta 3.
Djaffar, I, Chen, Y P, Creminon, C, Maclouf, J, Cieutat, A M, Gayet, O, ...
A cDNA for integrin beta 3 isolated from a human erythroleukaemia (HEL) cell library contained a 340 bp insert at position 1281. This mRNA, termed beta 3c, results from the use of a cryptic AG donor...
Prevalence and Transmission of Honeybee Viruses
Chen, Y. P., Pettis, J. S., Collins, A., Feldlaufer, M. F.
Transmission mechanisms of six honeybee viruses, including acute bee paralysis virus (ABPV), black queen cell virus (BQCV), chronic bee paralysis virus (CBPV), deformed wing virus (DWV), Kashmir bee...
Characterisation of the H-mode Edge Barrier at ASDEX Upgrade
Horton, L. D., Chankin, A. V., Chen, Y. P., Conway, G. D., Coster, D. P., Eich, T., ...
Immune pathways and defence mechanisms in honey bees Apis mellifera
Evans, J D, Aronstein, K, Chen, Y P, Hetru, C, Imler, J-L, Jiang, H, ...
Social insects are able to mount both group-level and individual defences against pathogens. Here we focus on individual defences, by presenting a genome-wide analysis of immunity in a social insect,...
Learning a unimanual motor skill by partial commissurotomy patients.
Chen, Y P, Campbell, R, Marshall, J C, Zaidel, D W
A series of motor tests on four Chinese partial commissurotomy patients is reported. The single-stage commissurotomy in all four patients included the anterior commissures and two-thirds or...
Palacios, G., Hui, J., Quan, P. L., Kalkstein, A., Honkavuori, K. S., Bussetti, A. V., ...
Israel acute paralysis virus (IAPV) is associated with colony collapse disorder of honey bees. Nonetheless, its role in the pathogenesis of the disorder and its geographic distribution are unclear....