bluuebunny/crossref_metadata_2025_split huggingface dataset:
Elektrochemische Rastermikroskopie zur direkten Abbildung von Reaktionsgeschwindigkeiten
Authors: Wittstock Gunther , Burchardt Malte , Pust Sascha E. , Shen Yan , Zhao Chuan 
Published: February 2007

AbstractEine entscheidende Rolle in der Elektrochemie, aber auch in biologischen Systemen oder beim Transport durch Membranen, spielen lokale Prozesse an Fest‐flüssig‐Grenzflächen oder Flüssig‐flüssig‐Grenzflächen, die z. B. an Defektstellen, an Poren oder an einzelnen Zellen ablaufen und sich durch integrale Untersuchungsverfahren nur schwer erfassen lassen. Mit der elektrochemischen Rastermikroskopie steht eine Untersuchungsmethode für lokale Grenzflächenreaktionen zur Verfügung, die nach zwei Jahrzehnten Entwicklung eine solide theoretische Basis und eine große Zahl von Anwendungen aufweist. Sie bietet die Möglichkeit, Geschwindigkeiten heterogener Reaktionen direkt abzubilden und Oberflächen durch elektrochemisch erzeugte Reaktanten lokal zu modifizieren. Die Vielfalt der Anwendungen reicht von klassischen elektrochemischen Fragestellungen bei der Untersuchung lokaler Korrosionsphänomene und elektrokatalytischer Reaktionen in Brennstoffzellen, von Sensoroberflächen, Biochips und mikrostrukturierten Analysesystemen bis hin zum Massentransport durch synthetische Membranen, Haut und Gewebe sowie interzellulären Kommunikationsprozessen. Außerdem können Prozesse an Flüssigkeitsoberflächen oder an Flüssig‐flüssig‐Grenzflächen untersucht werden.
Standardplanung versus Simulationen – wirtschaftlicher Nutzen höherwertiger Planungswerkzeuge am Beispiel der Sanierung des Festsaales im Palmengarten Frankfurt
Authors: Pültz Gunter 
Published: February 2007

AbstractGegenwärtig ist der normale Planungsablauf gemäß der Honorarordnung für Architekten und Ingenieure (HOAI) [1] aufgeteilt in einzelne Fachgebiete und Gewerke, wobei in jedem Fachgebiet eigene, spezifische Planungswerkzeuge zum Einsatz kommen. Im technischen Bereich kommen dabei aus traditionellen und wirtschaftlichen Gründen meist vereinfachende, stationäre Berechnungsmethoden (simple Tabellenverfahren) zum Einsatz. Im Rahmen des vorliegende Beitrags wird anhand eines Beispiels aus der Praxis zunächst aufgezeigt, warum moderne, höherwertige Planungswerkzeuge in Form von Computersimulationen den Standardmethoden prinzipiell überlegen sind. Anschließend wird veranschaulicht, welche enormen Einsparungen mit Hilfe von Computersimulationen bei der Planung von Anlagentechnik erreicht werden können. Abschließend wird der Einsatz von Simulationstechnik kostenmäßig bewertet und somit auch der wirtschaftliche Vorteil des Einsatzes von höherwertigen Planungswerkzeugen im Planungsprozeß exemplarisch quantifiziert.
Effekte der Luftströmung auf das hygrothermische Verhalten von leichten Umfassungskonstruktionen
Authors: Grunewald John , Nicolai Andreas 
Published: February 2007

AbstractIn dem Beitrag werden die Bilanzgleichungen eines neu entwickelten Programms zur gekoppelten Wärme‐, Luft‐, Feuchte‐ und Schadstoffberechnung (CHAMPS) und ein Modell zur Berücksichtigung der Effekte dreidimensionaler Luftströmung vorgestellt. Die Leistungsfähigkeit des numerischen Verfahrens wird anhand von praxisrelevanten Anwendungsfällen, der Simulation des hygrothermischen Verhaltens einer leichten Wandkonstruktion und eines durchlüfteten Daches demonstriert.
Trehalose and calcium exert site‐specific effects on calmodulin conformation in amorphous solids
Authors: Li Yunsong , Williams Todd D. , Schowen Richard L. , Topp Elizabeth M. 
Published: February 2007

AbstractWe have adapted hydrogen/deuterium (H/D) exchange with electrospray ionization mass spectrometry (ESI‐MS) to study protein conformation and excipient interactions in lyophilized solids. Using calmodulin (CaM, 17 kD) as a model protein, we demonstrate that trehalose and calcium exert site‐specific effects on protein conformation. The effects of calcium are observed primarily in the calcium binding loops, while those of trehalose are observed primarily in non‐terminal α‐helical regions. To our knowledge, this is the first demonstration of site‐specificity in the effects of excipients on protein structure in the solid state, and of the utility of H/D exchange with ESI‐MS to characterize proteins in amorphous solids. Biotechnol. Bioeng. 2007; 97: 1650–1653. © 2007 Wiley Periodicals, Inc.
A Computational Method to Characterize Framework Aluminum in Aluminosilicates.
Authors: Garcia‐Perez Elena , Dubbeldam David , Liu Bei , Smit Berend , Calero Sofia 
Published: February 2007

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, please click on HTML or PDF.
The Low‐Temperature Form of Rb2KCrF6 and Rb2KGaF6: The First Example of an Elpasolite‐Derived Structure with Pentagonal Bipyramid in the B‐Sublattice.
Authors: Zuniga Francisco Javier , Tressaud Alain , Darriet Jacques 
Published: February 2007

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, please click on HTML or PDF.
Local Atomic Order and Infrared Spectra of Biogenic Calcite.
Authors: Gueta Rachel , Natan Amir , Addadi Lia , Weiner Steve , Refson Keith , Kronik Leeor 
Published: February 2007

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, please click on HTML or PDF.
Wet Chemical Synthesis of Pure LiNbO3 Powders from Simple Niobium Oxide Nb2O5.
Authors: Liu Meinan , Xue Dongfeng , Luo Chao 
Published: February 2007

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, please click on HTML or PDF.
Intermolecular Tandem Addition—Cyclization of Bromoallenes: A Facile Synthesis of Methylenecyclopropyl Carboxylates and Polysubstituted Furans.
Authors: Xu Lubin , Huang Xian , Zhong Fangrui 
Published: February 2007

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, please click on HTML or PDF.
Highly Efficient Dinitration of Aromatic Compounds in Fluorous Media Using Ytterbium Perfluorooctanesulfonate and Perfluorooctanesulfonic Acid as Catalysts.
Authors: Yi Wen‐Bin , Cai Chun 
Published: February 2007

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, please click on HTML or PDF.
A Heterogeneous Silica‐Supported Scandium/Ionic Liquid Catalyst System for Organic Reactions in Water.
Authors: Gu Yanlong , Ogawa Chikako , Kobayashi Juta , Mori Yuichiro , Kobayashi Shu 
Published: February 2007

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, please click on HTML or PDF.
Efficient Transfer Hydrogenation of Ketones in the Presence of Ruthenium N‐Heterocyclic Carbene Catalysts.
Authors: Enthaler Stephan , Jackstell Ralf , Hagemann Bernhard , Junge Kathrin , Erre Giulia , Beller Matthias 
Published: February 2007

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, please click on HTML or PDF.
Mild and General Conditions for the Cross‐Coupling of Aryl Halides with Pentafluorobenzene and Other Perfluoroaromatics.
Authors: Lafrance Marc , Shore Daniel , Fagnou Keith 
Published: February 2007

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, please click on HTML or PDF.
Direct‐Type Catalytic Three‐Component Mannich Reaction in Aqueous Media.
Authors: Ollevier Thierry , Nadeau Etienne , Guay‐Begin Andree‐Anne 
Published: February 2007

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, please click on HTML or PDF.
Asymmetric Epoxidation of Terminal Alkenes with Hydrogen Peroxide Catalyzed by Pentafluorophenyl PtII Complexes.
Authors: Colladon Marco , Scarso Alessandro , Sgarbossa Paolo , Michelin Rino A. , Strukul Giorgio 
Published: February 2007

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, please click on HTML or PDF.
A Highly Efficient and Practical Method for Catalytic Asymmetric Vinylogous Mannich (AVM) Reactions.
Authors: Carswell Emma L. , Snapper Marc L. , Hoveyda Amir H. 
Published: February 2007

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, please click on HTML or PDF.
Synthesis of 2‐Benzoylethynylpyrroles by Cross Coupling of 2‐Arylpyrroles with 1‐Benzoyl‐2‐bromoacetylene over Aluminum Oxide.
Authors: Trofimov B. A. , Sobenina L. N. , Stepanova Z. V. , Demenev A. P. , Mikhaleva A. I. , Ushakov I. A. , Vakul'skaya T. I. , Petrova O. V. 
Published: February 2007

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, please click on HTML or PDF.
Chemoselective and Solvent‐Free Thioacetalization of Aldehydes by a Catalytic Amount of NBS.
Authors: Hajipour Abdol Reza , Pourmousavi Seied Ali , Ruoho Arnold E. 
Published: February 2007

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, please click on HTML or PDF.
An Advantageous Synthesis of New Indazolone and Pyrazolone Derivatives.
Authors: Correa Arkaitz , Tellitu Imanol , Dominguez Esther , SanMartin Raul 
Published: February 2007

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, please click on HTML or PDF.
Junjappa‐IIa (JI) Heteroaromatic Annulation: A New General α‐Oxoketene Dithioacetals Mediated Inverse Method for Synthesis of Substituted Benzothiazoles.
Authors: Hegde Vinayak S. , Kolavi Gundurao D. , Khazi Imtiyaz Ahmed M. 
Published: February 2007

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, please click on HTML or PDF.
Novel Synthesis of 2‐(Trifluoromethyl)‐ and 2‐(Perfluoroalkyl)‐2‐hydroxy‐2H‐chromenes and Their Regiospecific Reaction with Silyl Enol Ethers.
Authors: El Kharrat Salem , Laurent Philippe , Blancou Hubert 
Published: February 2007

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, please click on HTML or PDF.
Crotonization in the Benzo[a]acridine Series. Synthesis of Naphtho[2,1‐j][1,7]phenanthroline Derivatives.
Authors: Kadutskii A. P. , Kozlov N. G. , Bondarev S. L. 
Published: February 2007

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, please click on HTML or PDF.
Ring Opening and Ring Closure in an Indolizine Structure Activated Through SNAr Coupling with Superelectrophilic 4,6‐Dinitrobenzofuroxan, an Unusual Intramolecular Oxygen Transfer from a N‐Oxide Functionality.
Authors: Kurbatov Sergey , Tatarov Artem , Minkin Vladimir , Goumont Regis , Terrier Francois 
Published: February 2007

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, please click on HTML or PDF.
Synthesis of Amino Derivatives of Triazolopyrimidine.
Authors: Vas'kevich R. I. , Savitskii P. V. , Zborovskii Yu. L. , Staninets V. I. , Rusanov E. B. , Chernega A. N. 
Published: February 2007

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, please click on HTML or PDF.
Synthesis Towards Complex Bridged Alkaloids Derived from Diketopiperazines: A Cationic Cascade Approach to Stephacidins, Paraherquamides and Related Systems.
Authors: Pichowicz Mark , Simpkins Nigel S. , Blake Alexander J. , Wilson Claire 
Published: February 2007

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, please click on HTML or PDF.
Synthesis of Phosphaisoquinolin‐1‐ones by Pd(II)‐Catalyzed Cyclization of o‐(1‐Alkynyl)phenylphosphonamide Monoesters.
Authors: Tang Wei , Ding Yi‐Xiang 
Published: February 2007

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, please click on HTML or PDF.
A New Approach to the Neoglycopeptides: Synthesis of Urea‐ and Carbamate‐Tethered N‐Acetyl‐D‐glucosamine Amino Acid Conjugates.
Authors: Ichikawa Yoshiyasu , Ohara Fumiyo , Kotsuki Hiyoshizo , Nakano Keiji 
Published: February 2007

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, please click on HTML or PDF.
Secondary Metabolites from Asphodelus aestivus
Authors: Calis Ihsan , Birincioglu S. Serap , Kirmizibekmez Hasan , Pfeiffer Bernhard , Heilmann Joerg 
Published: February 2007

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, please click on HTML or PDF.
Exploring Skeletal Diversity via Ring Contraction of Glycal‐Derived Scaffolds.
Authors: Yeager Adam R. , Min Geanna K. , Porco John A. Jr. , Schaus Scott E. 
Published: February 2007

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, please click on HTML or PDF.
Constituents from the Leaves of Phellodendron amurense and Their Antioxidant Activity
Authors: Leu Chien‐Hsing , Li Chia‐Ying , Yao Xinsheng , Wu Tian‐Shung 
Published: February 2007

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, please click on HTML or PDF.
Synthesis and Utility of Fluorinated Acylsilanes
Authors: Welch John T. , Chung Woo Jin , Higashiya Seiichiro , Ngo Silvana C. , Lim Dong Sung 
Published: February 2007

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, please click on HTML or PDF.
Morphology Control of Aromatic Polymers in Concert with Polymerization
Authors: Kimura Kunio , Kohama Shin‐ichiro , Yamazaki Shinichi 
Published: February 2007

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, please click on HTML or PDF.
Poly(dimethylsiloxane) Microchips with Two Sharpened Stretching Tips and Its Application to Protein Separation Using Dynamic Coating
Authors: Liu Chun‐Ye , Xu Xu , Gao Hong‐Jun , Chen Jie‐Rong 
Published: February 2007

AbstractAn integrated poly(dimethylsiloxane) (PDMS) microchip with two sharpened stretching tips for convenient sample injecting, running buffer refreshing and channel cleaning has been presented. The sample was directly introduced into the separation channel through the stretching inlet tip without complicated power switching supplies and injection cross channel. The operation of running buffer refreshing or channel cleaning was simplified by vacuuming one end of the tip and placing the other tip into the solution vial. Therefore, this fabrication method can be easily applied to most analytical laboratories economically without soft lithography and plasma bonding equipments. The attractive performance of the novel PDMS microchips has been demonstrated by using laser‐induced fluorescence detection for separation of proteins. The addition of 0.04% Brij 35 in 0.04 mol/L phosphate buffer (pH 7.0) can reduce the adhesion of proteins in multienzyme tablet and make separation more easily. The electroosmotic flow (EOF) exhibits pH‐independence in the range of 3–11 in dynamic modified microchannel.
Toxicity Assessment of Cyanide and Tetramethylene Disulfotetramine (Tetramine) Using Luminescent Bacteria Vibrio‐qinghaiensis and PbO2 Electrochemical Sensor
Authors: Liu Wei , Jiang Jin‐Gang , Shi Guo‐Yue , He Yan , Liu Ye , Jin Li‐Tong 
Published: February 2007

AbstractThe toxicities of cyanide and tetramethylene disulfotetramine (tetramine) were evaluated by two methods of luminescent bacteria and PbO2 electrochemical sensor. Vibrio‐qinghaiensis, a kind of luminescent bacteria, can produce bioluminescence and the bioluminescence was decreased with the addition of toxicants. The toxicities of cyanide and tetramine were expressed as 10 min‐EC50 value, which was the concentration of chemical that reduces the light output by 50% after contact for 10 min. Nano PbO2 modified electrode, a rapid toxicity determination method was also described in this work. By the PbO2 modified electrode, the current responses of Escherichia coli (E. coli) were changed with the addition of toxicants. The value of 10 min‐EC50 was also provided with the PbO2 electrochemical sensor. Compared with the 10 min‐EC50 and detection limits (38.38 and 0.60 µg/mL for cyanide, 0.24 and 0.02 µg/mL for tetramine) with luminescent bacteria, the PbO2 sensor provided a simple and convenient method with lower 10 min‐EC50 and detection limits (26.37 and 0.52 µg/mL for cyanide, 0.21 and 0.01 µg/mL for tetramine) and fast response time.
Cancer cachexia syndrome in head and neck cancer patients: Part I. Diagnosis, impact on quality of life and survival, and treatment
Authors: Couch Marion , Lai Victor , Cannon Trinitia , Guttridge Denis , Zanation Adam , George Jonathan , Hayes D. Neil , Zeisel Steven , Shores Carol 
Published: February 2007

AbstractBackgroundCancer cachexia is a debilitating, wasting condition that affects many cancer patients, including those with head and neck cancer. The overall incidence of cancer cachexia is quite high for some types of cancer, and cachexia will be the main cause of death for more than 20% of all cancer patients. This syndrome uniquely challenges patients with head and neck cancer. This article outlines the diagnosis of cancer cachexia, reviews its impact on patient quality of life (QOL) and survival, and updates the reader on potential therapies that may suppress it.MethodsA comprehensive literature search was performed using PubMed of the National Library of Medicine, which includes more than 15 million citations back to the 1950s. The Cochrane Library and Google search engine were used as well.ResultsThis syndrome differs significantly from starvation, and thus accurate and timely diagnosis is essential. Nutritional therapy alone is insufficient. Current management strategies include corticosteroids and megesterol acetate, in conjunction with nutritional therapy. Future strategies may include nutraceuticals, omega‐3 fatty acids, inflammatory antagonists, and other targeted treatments.ConclusionsBecause cancer cachexia differs significantly from starvation, nutritional supplementation must be used in conjunction with other anti‐cachexia agents to reverse the chronic systemic inflammatory state and the effects of circulating tumor‐derived factors seen in cachexia. Careful identification of patients at risk and those suffering from this syndrome will lead to better outcomes and treatments. Ultimately, more research is needed to better treat this devastating condition. © 2007 Wiley Periodicals, Inc. Head Neck, 2007
Bionomy of Macrobenthic Polychaetes in the Evros Delta (North Aegean Sea)
Authors: Gouvis Nestoras , Kevrekidis Theodoros , Koukouras Athanasios , Voultsiadou Eleni 
Published: February 2007

AbstractThe composition and distribution of the macrobenthic polychaete fauna in the Evros Delta (North Aegean Sea) have been investigated by means of 4 replicate quantitative samples collected at 35 sites. 10 species were found and, in additional qualitative samples, the sedentary species Ficopomatus enigmaticus was collected. On the basis of the similarity in distribution among stations, 3 groups of species have been distinguished. One of these groups includes the species Spio decoratus and Hediste diversicolor which were both dominant and present at almost all stations. The distribution of species in the study area seems to depend on factors such as salinity, granulometric composition and organic matter of the sediment and interspecific competition, but mainly on the degree of “confinement”, namely the degree of exchange with the open sea. At the most isolated stations, the lowest number of species and the highest values of abundance and biomass were recorded.
The Distribution of Polychaete Feeding Guilds in Organic Enriched Sediments of San Vicente Bay, Central Chile
Authors: Carrasco Franklin D. , Carbajal Wilmer 
Published: February 2007

AbstractThe benthic macroinfauna (>500 μm) of San Vicente Bay, Central Chile (36°44′S; 73°09′W) was studied at 8 sublittoral stations along a 6.5 km length transect from the San Vicente fishery harbor out to the open sea, during October 1991, January 1992 and October 1992. Structural changes of the benthic macroinfauna were evaluated a) functionally in terms of polychaete trophic guilds, and b) numerical classification and ecological ordination. Multivariate analysis was used to explore polychaete fedding guild responses to environmental variables. The principal objective of the study was to test whether changes in functional groups (within and between stations) are related to perturbation induced by anthropogenic organic enrichment, or are a consequence of natural environmental fluctuations. Trophic guilds of polychaetes associated with the sandy environment of the bay, showed a clear seasonal dominance of carnivores during the spring 1991–1992 and of surface suspension ‐ deposit feeders, sessiles or discretely motile and tentacled polychaetes (F‐SD‐SDT, see Annex) in summer 1992. This guild distribution could be due to the sediment stability and a greater niche diversification in the more sandy stations. However, there were only a few significant relationships between trophic guilds and total organic matter and silt‐clay fraction. This limits the utility of the guilds as indicators of perturbations induced by organic enrichment. Over 95% of the variation in the guild data was explained by environmental factors such as water depth, station distance from the harbor, silt‐clay, sand, grain size and organic matter content. The comparison between reported faunistic and sedimentary data and the data obtained in this study, suggests that there is an increase of the organic enrichment of the sediments in the most inner area of this embayment. However, there is no evidence of this being directly responsible for the polychaete feeding guild distribution of San Vicente Bay.