bluuebunny/crossref_metadata_2025_split huggingface dataset:
Ca2+ Release from the Endoplasmic Reticulum of NY-ESO-1–Specific T Cells Is Modulated by the Affinity of TCR and by the Use of the CD8 Coreceptor
Authors: Chen Ji-Li , Morgan Anthony J. , Stewart-Jones Guillaume , Shepherd Dawn , Bossi Giovanna , Wooldridge Linda , Hutchinson Sarah L. , Sewell Andrew K. , Griffiths Gillian M. , van der Merwe P. Anton , Jones E. Yvonne , Galione Antony , Cerundolo Vincenzo 
Published: January 2010

Abstract
Although several cancer immunotherapy strategies are based on the use of analog peptides and on the modulation of the TCR affinity of adoptively transferred T cells, it remains unclear whether tumor-specific T cell activation by strong and weak TCR stimuli evoke different Ca2+ signatures from the Ca2+ intracellular stores and whether the amplitude of Ca2+ release from the endoplasmic reticulum (ER) can be further modulated by coreceptor binding to peptide/MHC. In this study, we combined functional, structural, and kinetic measurements to correlate the intensity of Ca2+ signals triggered by the stimulation of the 1G4 T cell clone specific to the tumor epitope NY-ESO-1157–165. Two analogs of the NY-ESO-1157–165 peptide, having similar affinity to HLA-A2 molecules, but a 6-fold difference in binding affinity for the 1G4 TCR, resulted in different Ca2+ signals and T cell activation. 1G4 stimulation by the stronger stimulus emptied the ER of stored Ca2+, even in the absence of CD8 binding, resulting in sustained Ca2+ influx. In contrast, the weaker stimulus induced only partial emptying of stored Ca2+, resulting in significantly diminished and oscillatory Ca2+ signals, which were enhanced by CD8 binding. Our data define the range of TCR/peptide MHC affinities required to induce depletion of Ca2+ from intracellular stores and provide insights into the ability of T cells to tailor the use of the CD8 coreceptor to enhance Ca2+ release from the ER. This, in turn, modulates Ca2+ influx from the extracellular environment, ultimately controlling T cell activation.
Binding and Activation of N2O at Transition‐Metal Centers: Recent Mechanistic Insights
Authors: Tolman William B. 
Published: January 2010

AbstractNo laughing matter, nitrous oxide’s role in stratospheric ozone depletion and as a greenhouse gas has stimulated great interest in developing and understanding its decomposition, particularly through the use of transition‐metal promoters. Recent advances in our understanding of the reaction pathways for N2O reduction by metal ions in the gas phase and in heterogeneous, homogeneous, and biological catalytic systems have provided provocative ideas about the structure and properties of metal N2O adducts and derived intermediates. These ideas are likely to inform efforts to design more effective catalysts for N2O remediation.
Effects of the molecular weight and concentration of poly(vinyl alcohol) on slot die coating
Authors: Chu Victoria , Tsai Ming‐Zhi , Chang Yi‐Rong , Liu Ta‐Jo , Tiu Carlos 
Published: January 2010

AbstractAn experimental study was carried out to investigate the effects of the molecular weight and concentration of aqueous poly(vinyl alcohol) (PVA) solutions on the stable operating window of slot die coating. Various coating defects were observed outside the operating window. The window was found to expand with the PVA concentration and molecular weight increasing at low concentrations and to reach a maximum size at the gel point concentration, which corresponded to a critical Deborah number. Beyond this point, the effect of fluid elasticity became dominant, and the window began to shrink. This phenomenon was in contrast to that observed for low‐molecular‐weight glycerol solutions, in which the operating window was found to contract with the concentration or viscosity increasing. This anomalous behavior was attributed to the stretching or extension of long‐chain PVA molecules, which effectively stabilized the fluid motion in the coating bead region. The maximum coating speed could be correlated with the PVA concentration and molecular weight in terms of the capillary number as a function of the dimensionless concentration. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
Preparation, characterization, and antibacterial properties of electrospun polyacrylonitrile fibrous membranes containing silver nanoparticles
Authors: Rujitanaroj Pim‐on , Pimpha Nuttaporn , Supaphol Pitt 
Published: January 2010

AbstractFibrous membranes with antibacterial activity were prepared from 10% w/v polyacrylonitrile (PAN) solutions containing silver nitrate (AgNO3) in the amounts of 0.5–2.5% by weight of PAN by electrospinning. N,N‐Dimethylformamide (DMF) was used as both the solvent for PAN and reducing agent for Ag+ ions. The enhancement in the reduction process was achieved with UV irradiation, which resulted in the formation of larger AgNPs in areas adjacent to and at the surface of the fibers. Without the UV treatment, the size of the AgNPs was smaller than 5 nm on average. Under the 10 min of UV treatment, the size of the particles increased with an increase in the initial AgNO3 concentration in the solutions to range between 5.3 and 7.8 nm on average. Without or with the UV treatment, the diameters of the obtained PAN/AgNPs composite fibers decreased with an increase in the initial AgNO3 concentration in the solutions, with the diameters of the obtained composite fibers that had been subjected to UV irradiation exhibiting lower values (i.e., 185–205 nm versus 194–236 nm on average). Both the cumulative amounts of the released silver and the bactericidal activities of the PAN/AgNPs composite fibrous materials against two commonly‐studied bacteria, i.e., Gram‐positive Staphylococcus aureus and Gram‐negative Escherichia coli, increased with increases in both the initial AgNO3 concentration in the solutions and the UV irradiation time interval. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
Structure and properties of PAN‐based activated carbon hollow fibers: Effect of ammonium dibasic phosphate pretreatment
Authors: Sun Junfen , He Chunju , Wu Lishun 
Published: January 2010

AbstractPolyacrylonitrile (PAN) hollow fibers were pretreated with ammonium dibasic phosphate aqueous solution, then further oxidized in air, carbonized in nitrogen, and activated with carbon dioxide. The effects of pretreatment concentration of ammonium dibasic phosphate aqueous solution on the microstructure, specific surface, pore size distribution, and adsorption properties of PAN‐based activated carbon hollow fibers (PAN‐ACHF) were studied in this work. After the activation process, the Brunaner‐Emmett‐Teller (BET) surface area of the PAN‐ACHF and surface area of mesopores in the PAN‐ACHF increases and reaches 513 m2g−1 and 66 m2g−1 respectively when the concentration of ammonium dibasic phosphate aqueous solution is 4% (wt %). The adsorptions to creatinine are much high, reach more than 90% over all the concentration of ammonium dibasic phosphate aqueous solution. The adsorptions to VB12 of PAN‐ACHF reach 86% when the concentration of ammonium dibasic phosphate aqueous solution is 4% (wt %). The dominant pore sizes of mesopores in PAN‐ACHF range from 2 to 5 nm. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
Novel monocyclopentadienyl zirconium and hafnium trialkoxide complexes: Syntheses and catalytic properties for olefin polymerization
Authors: Hsiao Ting‐Jui , Tsai Jing‐Cherng 
Published: January 2010

AbstractMonocyclopentadienyl trialkoxy compounds of zirconium and hafnium [CpZr(OR)3 and CpHf(OR)3], which cannot be prepared by earlier methods, are synthesized in situ by reacting bis(cyclopentadienyl) magnesium with zirconium tetraalkoxides [Zr(OR)4] and with hafnium tetraalkoxides [Hf(OR)4], respectively. The generation of CpZr(OR)3 and CpHf(OR)3 compounds involves a highly effective cyclopentadienyl ligand (Cp) transfer reaction from the Cp ligand of bis(cyclopentadienyl) magnesium to Group 4 metal alkoxides. The utilization of CpZr(OR)3 and CpHf(OR)3 compounds as catalyst precursors for mediating α‐olefin polymerizations was carefully investigated. Results show that highly active catalysts can be generated by reacting these mono‐Cp Zr and Hf alkoxides with methylaluminoxane. The resulting active CpZr(OR)3/MAO and CpHf (OR)3/MAO catalysts induce ethylene polymerization and ethylene/propylene copolymerization with high activity (e.g., 1820 kg PE/mole of catalyst‐h). © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
Graphite carbon foam films prepared from porous polyimide with in situ formed catalytic nickel particles
Authors: Luo Yanling , Chen Qingyun , Zhu Dan , Matsuo Masaru 
Published: January 2010

AbstractThis article describes the preparation of porous polyimide composites and carbon foam films with uniform and controllable porous structures, using nickel oleate as a pore‐forming agent and as a precursor for catalyst formation for the carbonization process. Pore formation occurs by a phase separation initially producing a dispersion of nickel oleate liquid in the polyamide acid film. Subsequent heat treatment induces decomposition of the nickel oleate accompanied by the evolution of foam forming gas. Small nickel particles, formed by the decomposition of nickel oleate, melt as the process temperature rises above 1200°C and these molten nickel particles then play an important catalytic role in promoting the graphitization of the polyimide composites as part of a dynamic process forming pores proceeding through the thickness of the film. These porous structures are maintained after the removal of the nickel by pyrolysis. The thermal behavior and structure of the porous polyimide films were examined and the porosity and stacking structures of the carbon foam films formed by polyimide pyrolysis were investigated. The results indicate that the pore size of the carbon foams could be controlled over a broad range by varying the nickel oleate content participating in the polymerization reaction. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
Nonisothermal crystallization kinetics of modified bamboo fiber/PCL composites
Authors: Huang Yuanyuan , Liu Huaxi , He Pingsheng , Yuan Liang , Xiong Hanguo , Xu Youming , Yu Yan 
Published: January 2010

AbstractThe nonisothermal crystallization kinetics of modified bamboo fiber/polycaprolactone (MBF/PCL) composites was investigated by differential scanning calorimetry (DSC) at different cooling rates. The results were studied by a direct fitting of the experimental data to various macrokinetic models, namely, Avrami, Ozawa, and Mo models. Both the Avrami analysis modified by Jeziorny and the method developed by Mo could describe the nonoisothermal crystallization of the composites very well, but the Ozawa analysis could not give an adequate description. Kinetic parameters such as the Avrami exponent (n), the kinetic crystallization rate constant (Zc), the peak temperatures (Tpeak) and the half‐time of crystallization (t1/2) etc. were determined at various scanning rates. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
Fabrication and apparent kinetic study of poly(methyl methacrylate)/poly(octyl acrylate) and poly(octyl acrylate)/poly(methyl methacrylate) latex interpenetrating polymer networks
Authors: Tang Erjun , Zhao Ying , Li Guoting 
Published: January 2010

AbstractTwo latex interpenetrating polymer networks (LIPNs) were synthesized with methyl methacrylate (MMA) and octyl acrylate (OA) as monomers, respectively. The apparent kinetics of polymerization for the LIPNs was studied. This demonstrates that network II does not have a nucleus formation stage. The monomers of network II were diffused into the latex particles of network I and then formed network II by in situ polymerization. It indicates that the polymerization of network I obeys the classical kinetic rules of emulsion polymerization. But the polymerization of network II only appears a constant‐rate stage and a decreasing‐rate stage. The apparent activation energies (Ea) of network I and network II of PMMA/POA were calculated according to the Arrhenius equation. The Ea values of POA as network I (62 kJ/mol) is similar to that of POA as network II PMMA/POA (60 kJ/mol). However, the Ea value of PMMA as network II POA/PMMA (105kJ/mol) is higher than that of PMMA as network I (61 kJ/mol). Results show that the Ea value of the network II polymerization is related to the properties of its seed latex. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
The structure and dynamic properties of thermoplastic polyurethane elastomer/hindered phenol hybrids
Authors: Xiao Daling , Zhao Xiuying , Feng Yiping , Xiang Ping , Zhang Liqun , Wang Weimin 
Published: January 2010

AbstractThe organic hybrids of thermoplastic polyurethane (TPU)/hindered phenol (AO‐80) were prepared through melt blending, which was followed by hot and cold pressing procedure. The microstructure and dynamic mechanical properties of the hybrids were systematically investigated through SEM, DSC, XRD, FTIR, DMA and a tensile tester. The experimental results indicated that AO‐80 was completely dissolved in the matrix. The glass transition of the soft segments of TPU was found to shift to higher temperature with the amount of AO‐80 increasing, whereas the glass transition of the hard segments exhibited nearly no evident change, indicating that AO‐80 was selectively located in the soft region of TPU and the formation of the strong intermolecular interactions (hydrogen bonding) between AO‐80 and the soft region of TPU. With the increase of AO‐80 in the hybrids, the tanδ peak gradually shifted to higher temperatures and the maximal tanδ value increased from 0.4 to 1.6. Meanwhile, the glass transition temperature ranges broadened and the TA value increased greatly with the more content of AO‐80. Because of the decrease of the hard segments amount in the hybrids, the tensile stress of these hybrids decreased, but still maintained at a high level. The hybrids were expected to have potential applications as high performance damping materials combined with good mechanical properties. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
Cilostazol enhances apoptosis of synovial cells from rheumatoid arthritis patients with inhibition of cytokine formation via Nrf2‐linked heme oxygenase 1 induction
Authors: Park So Youn , Lee Sung Won , Shin Hwa Kyoung , Chung Won Tae , Lee Won Suk , Rhim Byung Yong , Hong Ki Whan , Kim Chi Dae 
Published: January 2010

AbstractObjectiveTo assess the effects of cilostazol in inhibiting proliferation and enhancing apoptosis in synovial cells from patients with rheumatoid arthritis (RA).MethodsSynovial cell proliferation was measured by MTT assay. The expression of NF‐κB, IκBα, Bcl‐2, Bax, heme oxygenase 1 (HO‐1), and Nrf2 was determined by Western blotting.ResultsCilostazol suppressed synovial cell proliferation by arresting the G2/M phases of the cell cycle, and this was reversed by KT5720, an inhibitor of protein kinase A. Cilostazol increased the number of TUNEL‐positive cells, with increased cytochrome c release and apoptosis‐inducing factor translocation as well as increased caspase 3 activation. Cilostazol (10 μM) and cobalt protoporphyrin IX (CoPP) increased HO‐1 messenger RNA and protein expression. These effects were suppressed by zinc protoporphyrin IX (ZnPP), an HO‐1 inhibitor. Cilostazol and CoPP significantly increased IκBα in the cytosol and decreased NF‐κB p65 expression in the nucleus. Increased expression of tumor necrosis factor α (TNFα), interleukin‐1β (IL‐1β), and IL‐6 induced by lipopolysaccharide was attenuated by cilostazol and CoPP, and this was reversed by ZnPP. In mice with collagen‐induced arthritis treated with cilostazol (10 and 30 mg/kg/day), paw thickness was decreased with increased apoptotic cells in the joints. In synovial cells transfected with small interfering RNA (siRNA) targeting HO‐1, cilostazol did not suppress expression of TNFα, IL‐1β, and IL‐6, in contrast to findings with negative control cells. Cilostazol‐ and CoPP‐induced HO‐1 expression was diminished in cells transfected with Nrf2 siRNA.ConclusionCilostazol suppressed proliferation of synovial cells from RA patients by enhancing apoptosis, and also inhibited cytokine production via mediation of cAMP‐dependent protein kinase activation–coupled Nrf2‐linked HO‐1 expression.
ChemInform Abstract: The Yb—Zn—In System at 400 °C: Partial Isothermal Section with 0—33.3 at.% Yb.
Authors: Verbovytskyy Yu. , Goncalves A. P. 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Subsolidus Phase Relations of the ZnO—Li2O—P2O5 System.
Authors: Ji L. N. , Li J. B. , Chen Y. Q. , Luo J. , Liang J. K. , Rao G. H. 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Synthesis and Crystal Structure of Ba3Si4C2.
Authors: Suzuki Yuta , Morito Haruhiko , Yamane Hisanori 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Ethylene Carbonate as a Unique Solvent for Palladium‐Catalyzed Wacker Oxidation Using Oxygen as the Sole Oxidant.
Authors: Wang Jing‐Lun , He Liang‐Nian , Miao Cheng‐Xia , Li Yu‐Nong 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Reductive Amination of Aldehydes and Ketones under Heterogeneous and Solvent‐Free Conditions Using Sodium‐Borohydride and Silica‐Gel‐Supported Sulfuric Acid.
Authors: Alinezhad Heshmatollah , Tajbakhsh Mahmood , Zare Mahboobeh 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Direct Prenylation of Aromatic and α,β‐Unsaturated Carboxamides via Iridium‐Catalyzed C—H Oxidative Addition—Allene Insertion.
Authors: Zhang Yong Jian , Skucas Eduardas , Krische Michael J. 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Selective Amine Cross‐Coupling Using Iridium‐Catalyzed “Borrowing Hydrogen” Methodology.
Authors: Saidi Ourida , Blacker A. John , Farah Mohamed M. , Marsden Stephen P. , Williams Jonathan M. J. 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: A Very Simple Copper‐Catalyzed Synthesis of Phenols Employing Hydroxide Salts.
Authors: Tlili Anis , Xia Ning , Monnier Florian , Taillefer Marc 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Iron‐Catalyzed Selective Oxidation of N‐Methyl Amines: Highly Efficient Synthesis of Methylene‐Bridged Bis‐1,3‐dicarbonyl Compounds.
Authors: Li Haijun , He Zhiheng , Guo Xingwei , Li Wenjuan , Zhao Xuhui , Li Zhiping 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Novel DABCO‐Catalyzed Regio‐ and Diastereoselective Nucleophilic Substitution of Baylis—Hillman Acetates with TosMIC.
Authors: Krishna Palakodety Radha , Prapurna Y. Lakshmi 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Amine‐Catalyzed Preparation of Oxygenated Derivatives of Symmetric Trisulfides.
Authors: Pourshahbaz Mahbubeh , Joshaghani Mohammad , Rafiee Ezzat , Shahmoradi Jahangir , Emami Fereshteh , Iranpour Asieh 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Iodine‐Mediated Guanidine Formation Through Arylsulfonyl‐Activated Thioureas.
Authors: Qin Cuiying , Li Jizhen , Fan Erkang 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: Formal [4 + 2] Cycloaddition Between 3‐Ethoxycyclobutanones and Silyl Enol Ethers.
Authors: Matsuo Jun‐ichi , Negishi Shoko , Ishibashi Hiroyuki 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
ChemInform Abstract: An Efficient and Direct Solvent‐Free Synthesis of Naphtho[1,2‐b]furans, Naphtho[2,1‐b]furans, and Furo[3,2‐c]chromenes.
Authors: Adib Mehdi , Mahdavi Mohammad , Bagherzadeh Sharareh , Bijanzadeh Hamid Reza 
Published: January 2010

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.