bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: Arylhydrazines
Authors: Begtrup M. , Rasmussen L. K. 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: N‐Haloarylamines
Authors: Chiara J. L. 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: Arylamine N‐Oxides and Arylaminoxyl Radicals
Authors: Schmidt A. 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: Celebrating 20 Years of SYNLETT — Special Account on the Merits of Biocatalysis and the Impact of Arene cis‐Dihydrodiols on Enantioselective Synthesis
Authors: Hudlicky Tomas , Reed Josephine W. 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: Beyond Reppe: Building Substituted Arenes by [2 + 2 + 2] Cycloadditions of Alkynes
Authors: Galan Brandon R. , Rovis Tomislav 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: Helical Arrangement of Porphyrins Along DNA: Towards Photoactive DNA‐Based Nanoarchitectures
Authors: Wagenknecht Hans‐Achim 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: The Role of Electrophilic Species in the Fischer—Tropsch Reaction
Authors: Maitlis Peter M. , Zanotti Valerio 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: Design of Selective Neuronal Nitric Oxide Synthase Inhibitors for the Prevention and Treatment of Neurodegenerative Diseases
Authors: Silverman Richard B. 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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 of Single‐Molecule Nanocars
Authors: Vives Guillaume , Tour James M. 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: Asymmetric Hetero‐Diels—Alder Reactions of Carbonyl Compounds
Authors: Pellissier Helene 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: Pharmacogenomics: Inter‐ethnic and Intra‐ethnic Differences in Pharmacokinetic and Pharmacodynamic Profiles of Clinically Relevant Drugs
Authors: Ieiri Ichiro , Higuchi Shun 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: Creation of Biocatalysts with Prescribed Properties
Authors: Tishkov V. I. , Savin S. S. , Khoronenkova S. V. 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: Thresholds in Genotoxicity and Carcinogenicity: Urinary Bladder Carcinogenesis
Authors: Cohen Samuel M. 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: Intramolecular Hydrogen Bonding in O‐Hydroxyaryl Schiff Bases
Authors: Filarowski Aleksander , Koll Aleksander , Sobczyk Lucjan 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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: Probing the Glycosidic Linkage: Secondary Structures in the Gas Phase
Authors: Simons John P. , Stanca‐Kaposta E. Cristina , Cocinero Emilio J. , Liu B. , Davis Benjamin G. , Gamblin David P. , Kroemer Romano T. 
Published: June 2009

AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 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.
Interference of amino‐terminal desmin fragments with desmin filament formation
Authors: Bär Harald , Sharma Sarika , Kleiner Helga , Mücke Norbert , Zentgraf Hanswalter , Katus Hugo A. , Aebi Ueli , Herrmann Harald 
Published: June 2009

AbstractShort polypeptides from intermediate filament (IF) proteins containing one of the two IF‐consensus motifs interfere severely with filament assembly in vitro. We now have systematically investigated a series of larger fragments of the muscle‐specific IF protein desmin representing entire functional domains such as coil1 or coil 2. “Half molecules” comprising the amino‐terminal portion of desmin, such as DesΔC240 and the “tagged” derivative Des(ESA)ΔC244, assembled into large, roundish aggregates already at low ionic strength, DesΔC250 formed extended, relatively uniform filaments, whereas DesΔC265 and DesΔC300 were soluble under these conditions. Surprisingly, all mutant desmin fragments assembled very rapidly into long thick filaments or spacious aggregates when the ionic strength was raised to standard assembly conditions. In contrast, when these desmin mutants were assembled in the presence of wild‐type (WT) desmin, their assembly properties were completely changed: The elongation of the two shorter desmin fragments was completely inhibited by WT desmin, whereas DesΔC250, DesΔC265 and DesΔC300 coassembled with desmin into filaments, but these mixed filaments were distinctly disturbed and exhibited a very different phenotype for each mutant. After transfection into fibroblasts and cardiomyocytes, the truncated mutant Des (ESA)ΔC244 localized largely to the cytoplasm, as revealed by a tag‐specific monoclonal antibody, and also partially colocalized there with the collapsed endogenous vimentin and desmin systems indicating its interference with IF‐organizing processes. In contrast, in cells without an authentic cytoplasmic IF system such as line SW13, Des(ESA)ΔC242 entered the nucleus and was deposited in small dot‐like structures in chromatin‐free spaces without any noticeable effect on nuclear morphology. Cell Motil. Cytoskeleton 66: 986–999, 2009. © 2009 Wiley‐Liss, Inc.
A cytoskeletal tropomyosin can compromise the structural integrity of skeletal muscle
Authors: Kee Anthony J. , Gunning Peter W. , Hardeman Edna C. 
Published: June 2009

AbstractWe have identified a number of extra‐sarcomeric actin filaments defined by cytoskeletal tropomyosin (Tm) isoforms. Expression of a cytoskeletal Tm (Tm3) not normally present in skeletal muscle in a transgenic mouse resulted in muscular dystrophy. In the present report we show that muscle pathology in this mouse is late onset (between 2 and 6 months of age) and is predominately in the back and paraspinal muscles. In the Tm3 mice, Evans blue dye uptake in muscle and serum levels of creatine kinase were markedly increased following downhill exercise, and the force drop following a series of lengthening contractions in isolated muscles (extensor digitorum longus) was also significantly increased in these mice. These results demonstrate that expression of an inappropriate Tm in skeletal muscle results in increased susceptibility to contraction‐induced damage. The extra‐sarcomeric actin cytoskeleton therefore may have an important role in protecting the muscle from contractile stress. Cell Motil. Cytoskeleton 2009. © 2009 Wiley‐Liss, Inc.
North‐ and South‐Bicyclo[3.1.0]Hexene Nucleosides: The Effect of Ring Planarity on Anti‐HIV Activity
Authors: Russ Pamela L. , Gonzalez‐Moa Maria J. , Vu B. Christie , Sigano Dina M. , Kelley James A. , Lai Christopher C. , Deschamps Jeffrey R. , Hughes Stephen H. , Marquez Victor E. 
Published: June 2009

AbstractThe syntheses of new conformationally locked North‐ and South‐bicyclo[3.1.0]hexene nucleosides is reported. The North analogues were synthesized by a convergent approach from the known (1S,2R,5R)‐5‐[(tert‐butyldiphenylsilyloxy)methyl]bicyclo[3.1.0]hex‐3‐en‐2‐ol by Mitsunobu coupling with the nucleobases. The South analogues were synthesized from their bicyclo[3.1.0]hexane nucleoside precursors by the selective protection of the primary hydroxy group, conversion of the secondary alcohol into a good leaving group, and base‐catalyzed elimination to generate the olefin. The transformation of a bicyclo[3.1.0]hexane nucleoside into a bicyclo[3.1.0]hexene nucleoside flattens the five‐membered ring of the bicyclic system and rescues anti‐HIV activity for North‐D4T, North‐D4A, and South‐D4C. The relationship between planarity and the anti/syn disposition of the nucleobase that is favored by a particular pseudosugar platform are proposed as key parameters in controlling biological activity.
Activated extracellular signal‐regulated kinase is an independent prognostic factor in clinically confined renal cell carcinoma
Authors: Campbell Lee , Nuttall Rosa , Griffiths David , Gumbleton Mark 
Published: June 2009

AbstractBACKGROUND:Extracellular signal‐regulated kinase (ERK) promotes proliferation, metastasis, and poor survival in cancers of the breast, lung, and liver. Advanced localized renal cell carcinoma (RCC) is extraordinarily treatment resistant and has high recurrence rates despite surgery. Limited data exist regarding the prognostic significance of activated (phosphorylated) ERK in RCC. The authors hypothesized that activated ERK (pERK) promotes disease progression and metastasis in localized RCC and may be of value as a biomarker to predict disease recurrence.METHODS:The expression profile of pERK was examined by immunocytochemistry using a tissue microarray constructed from 174 drug treatment–naive patients who had undergone radical nephrectomy for localized RCC. Levels of tumor‐cell specific pERK were scored and correlated with clinicopathologic parameters of RCC and disease‐free survival.RESULTS:Immunostaining for pERK was present in 36% of all RCCs, with a predominance found in the clear cell histologic subtype. High expression was associated with increased tumor size, increased TNM stage, and vascular invasion. Patients with pERK‐positive tumors had a mean disease‐free survival of 4.19 years, compared with 6.38 years for patients with pERK‐negative tumors (P < .001). Cox regression models revealed pERK to be a significant independent predictor of disease‐free survival, with a hazards score of 2.9 (P < .001), a value similar to tumor grade (hazards ratio, 3.01; P < .001).CONCLUSIONS:Expression of pERK is an independent prognostic factor in RCC that is associated with advanced and aggressive pathologic features of renal tumors and predicts the onset of metastasis in patients with localized disease. Cancer 2009. © 2009 American Cancer Society.
Hormone replacement therapy and survival in lung cancer in postmenopausal women in a rural population
Authors: Huang Bin , Carloss Harry , Wyatt Stephen W. , Riley Elizabeth 
Published: June 2009

AbstractBACKGROUND:Hormone replacement therapy (HRT) may play a role in the development of lung cancer and subsequent survival. Results from studies exploring these issues are inconsistent. A retrospective study in a rural population was conducted to determine whether a history of HRT use is associated with survival of postmenopausal women with lung cancer.METHODS:A retrospective medical chart review of 648 postmenopausal women, diagnosed with a first primary lung cancer between1995 and 2005, was conducted in a regional hospital in Paducah, Kentucky. History of HRT use was collected. Log‐rank test and multivariate Cox regression analysis were performed to examine the effects of HRT on survival.RESULTS:The median survival for women with a history of HRT use was 16.4 months, compared with 10.5 months for women without a history of HRT use. However, this difference in survival was not statistically significant (hazard ratio, 1.09; 95% confidence interval, 0.82‐1.44). Women with a history of HRT use were younger on average (64.3 years) at diagnosis than women without a history of HRT use (69.5 years, P < .01). Cigarette smoking was adversely associated with survival (P = .03), as were age (P < .01) and TNM stage (P < .01).CONCLUSIONS:In contrast to previous studies, within this population, a history of HRT use in postmenopausal lung cancer patients was not associated with decreased survival. Because most of the published studies on this issue are retrospective, the discrepant findings reflect the complexity of the role of HRT use in the survival of lung cancer patients. Cancer 2009. © 2009 American Cancer Society.
Solutions to the nonlinear Schrödinger equation carrying momentum along a curve
Authors: Mahmoudi Fethi , Montenegro Marcelo , Malchiodi Andrea 
Published: June 2009

AbstractWe prove existence of a special class of solutions to the (elliptic) nonlinear Schrödinger equation −ε2Δψ + V(x)ψ = |ψ|p − 1ψ on a manifold or in Euclidean space. Here V represents the potential, p an exponent greater than 1, and ε a small parameter corresponding to the Planck constant. As ε tends to 0 (in the semiclassical limit) we exhibit complex‐valued solutions that concentrate along closed curves and whose phases are highly oscillatory. Physically these solutions carry quantum‐mechanical momentum along the limit curves. © 2008 Wiley Periodicals, Inc.
Intersection homology with field coefficients: K‐Witt spaces and K‐Witt bordism
Authors: Friedman Greg 
Published: June 2009

AbstractWe construct geometric examples of pseudomanifolds that satisfy the Witt condition for intersection homology Poincaré duality with respect to certain fields but not others. We then compute the bordism theory of K‐Witt spaces for an arbitrary field K, extending results of Siegel for K = ℚ. © 2008 Wiley Periodicals, Inc.
Combined effects of crucible geometry and Marangoni convection on silicon Czochralski crystal growth
Authors: Mokhtari F. , Bouabdallah A. , Zizi M. , Hanchi S. , Alemany A. 
Published: June 2009

AbstractIn order to understand the influence of crucible geometry combined with natural convection and Marangoni convection on melt flow pattern, temperature and pressure fields in silicon Czochralski crystal growth process, a set of numerical simulations was conducted. We carry out calculation enable us to determine temperature, pressure and velocity fields in function of Grashof and Marangoni numbers. The essential results show that the hemispherical geometry of crucible seems to be adapted for the growth of a good quality crystal and the pressure field is strongly affected by natural and Marangoni convection and it is more sensitive than temperature. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Syntheses and crystal structures of two polymorphs of three‐dimensional silver (I) 5‐(3‐aminophenyl)tetrazolates
Authors: Kou Jun‐Feng , Zhu Yu , Yang Guang 
Published: June 2009

AbstractTwo polymorphs of silver 5‐(3‐aminophenyl)tetrazolates – α‐ and β‐Ag(amphttz) have been obtained by the reaction of amphttzH with AgNO3 in presence of ammonia either in ambient condition or under the hydrothermal condition, respectively (amphttzH = 5‐(3‐aminophenyl)tetrazole). Both of the two phases of Ag(amphttz) were characterized by elemental analyses, IR spectra and single‐crystal X‐ray diffraction. X‐ray analysis shows α‐, β‐phases crystallize in P ‐1 with a = 8.551 (2) Å, b = 8.720(2) Å, c = 11.173(2) Å, α = 98.15(3)°, β = 90.95(3)°, γ = 95.45(3)° and C 2/c with a = 13.542(3) Å, b = 10.135(2) Å, c = 12.610(3) Å, β = 113.58(3)°, respectively. The two polymorphs exhibit different 3D structures. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Structural properties of Zn1–xMgxO nanomaterials prepared by sol‐gel method
Authors: Heiba Z. K. , Arda L. 
Published: June 2009

AbstractThe mixed oxides Zn1‐xMgxO (ZMO) were prepared as nano‐polycrystalline powders and thin films by a simple sol–gel process and dip coating method. Thermogravimetric (TG) and differential thermal analysis (DTA) were used to study the thermal chemistry properties of dried gel. Structural and microstructural analysis was carried out applying x‐ray diffraction (XRD) and Rietveld method. Analysis showed that for x < 0.25, Mg replaces Zn substitutionally yielding ZMO single phase, while for x ≥ 0.25 two phases are identified ZMO and MgO. Replacing Zn2+ by Mg2+ distorts the cation tetrahedrons and decreases the lattice constants ratio c/a of the wurtzite ZMO which deviate the lattice gradually from the hexagonal structure as Mg+2 increases. These distortions are attributed to the difference in electronic configuration of the two cations which suppress the paraelectric‐ferroelectric phase transition in the ZMO wurtzite. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
High temperature powder diffraction and solid state DFT study of β‐cryolite (Na3AlF6)
Authors: Smrčok Ľ. , Kucharík M. , Tovar M. , Žižak I. 
Published: June 2009

AbstractNeutron and synchrotron powder diffraction data for β‐cryolite were collected within 550‐800(880) °C. Atomic coordinates of Al, F and Na atoms were obtained by both neutron Rietveld refinement and energy minimization in solid state at DFT level of theory. It was shown that although Rietveld refinements with fluorine atoms statically displaced from the 24e to the 96k special position of the Fm‐3m space group provide a reasonable fit to the experimental data, the refined structure differ from that obtained by the total energy minimization. The structure with the minimum of the total energy corresponds to the low temperature α‐phase with a zigzag arrangement of the polyhedra built around the Al and Na atoms. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
DC conductivity studies in K3Na(SeO4)2 single crystals
Authors: Joseph G. , Kumar A. Santhosh , Iype L. , Rajesh R. , Louis G. 
Published: June 2009

AbstractDC electrical conductivity studies were carried out along the three crystallographic axes for Tripotassium sodium diselenate (K3Na(SeO4)2 or KNSe). Earlier studies of phase transition in this crystal show successive phase transitions at 334 K, 346 K, 730 K, and 758 K. In this paper we report the dc electrical conductivity measurements in the temperature region 303 K – 430 K along a, b and c – axes. An anomaly in conductivity was obtained around 341 K and another one around 333 K. These can be attributed as due to phase transitions in this crystal. A strong anomaly also has been observed along the c‐axis and comparatively week one along a and b axes around 395 K for the first time. This can be due to newly observed phase transition in the crystal. DSC taken for the sample also shows endothermic peak supporting the occurrence of newly observed phase transition. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Temperature dependence of the density of some liquid crystals in the alkyl cyanobiphenyl series
Authors: Zgura I. , Moldovan R. , Beica T. , S.Frunza  
Published: June 2009

AbstractExperimental results for the temperature dependence of the density of propyl – cyanobiphenyl (3CB), butyl – cyanobiphenyl (4CB) and hexyl – cyanobiphenyl (6CB) are presented. The results are compared with previous results for temperature dependence of other members of the alkyl cyanobiphenyl series (nCB). The deviation of the density from linear temperature dependence is discussed in terms of the recently discovered corresponding rule for nematic liquid crystals. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
SQUID magnetometry, EPR and XPS characterization of Y3Al5O12: Co, Si single crystals
Authors: Talik E. , Szubka1 M. , Skrzypek D. , Zarek W. , Kusz J. , Łukasiewicz T. 
Published: June 2009

AbstractSingle crystals of garnet Y3Al5O12 (YAG): Co and Co, Si were grown by Czochralski method as materials for optoelectronic applications. Silicon doping is responsible for the change of the Co3+ ions into Co2+ in order to keep charge neutrality of the material and for a coloration of materials. Magnetization and Electron Paramagnetic Resonance measurements show that the most cobalt ions in the silicon co‐doped crystals were Co2+ in octahedral positions. Estimated concentration of the Co2+ ions were close to Si4+ nominal concentration. A little excess of Co2+ may be ascribed to defects present in the crystals. For the crystal doped only with Co, the concentration of Co2+ was about 13% of the nominal Co amount and might be caused by crystal defects. X‐ray Photoelectron Spectroscopy measurements exhibit aluminium deficiency. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)