bluuebunny/crossref_metadata_2025_split huggingface dataset:
ChemInform Abstract: A New Cardenolide Triglycoside from Stems and Twigs of Nerium oleander
Authors: Bai Liming , Hasegawa Ryo , Hirose Katsutoshi , Ando Mariko , Sakai Jun‐ichi , Ando Masayoshi 
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: Scope of AuCl3 in the Activation of Per‐O‐acetylglycals.
Authors: Balamurugan Rengarajan , Koppolu Srinivasa Rao 
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: Leucophyllidine, a Cytotoxic Bisindole Alkaloid Constituted from the Union of an Eburnan and a New Vinylquinoline Alkaloid.
Authors: Gan Chew‐Yan , Robinson Ward T. , Etoh Tadahiro , Hayashi Masahiko , Komiyama Kanki , Kam Toh‐Seok 
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: Ionothermal Synthesis of Hexagonal‐Phase NaYF4:Yb3+, Er3+/Tm3+ Upconversion Nanophosphors.
Authors: Liu Xiaomin , Zhao Junwei , Sun Yajuan , Song Kai , Yu Yi , Du Chuang , Kong Xianggui , Zhang Hong 
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: Water Dynamics in Salt Solutions Studied with Ultrafast Two‐Dimensional Infrared (2D IR) Vibrational Echo Spectroscopy
Authors: Fayer Michael D. , Moilanen David E. , Wong Daryl , Rosenfeld Daniel E. , Fenn Emily E. , Park Sungnam 
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: Chiral Pd Aqua Complex‐Catalyzed Asymmetric C—C Bond‐Forming Reactions: A Broensted Acid—Base Cooperative System
Authors: Sodeoka Mikiko , Hamashima Yoshitaka 
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: C2‐Symmetric Pyrrolidines Derived from Tartaric Acids: Versatile Chiral Building Blocks for Total Synthesis, Catalyst Design, Supramolecular and Medicinal Chemistry
Authors: Blum Andreas , Diederich Wibke E. 
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: 3‐Substituted‐3‐hydroxy‐2‐oxindole: An Emerging New Scaffold for Drug Discovery with Potential Anticancer and Other Biological Activities
Authors: Peddibhotla Satyamaheshwar 
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: Synthetic Methods. Part 2. Oxidation and Reduction Methods
Authors: Lewis Simon E. 
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: Application of Molybdenum(VI) Dichloride Dioxide (MoO2Cl2) in Organic Transformations
Authors: Jeyakumar Kandasamy , Chand Dillip K. 
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: Molecular Playdough: Conformationally Programmable Molecular Receptors Based on Restricted Rotation
Authors: Rasberry Roger D. , Shimizu Ken D. 
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: Ethyl Carbamate in Foods and Beverages
Authors: Weber J. V. , Sharypov V. I. 
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: Synthetic Retinoids: Structure—Activity Relationships
Authors: Barnard Jonathan H. , Collings Jonathan C. , Whiting Andrew , Przyborski Stefan A. , Marder Todd B. 
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: Interface Engineering: An Effective Approach Toward High‐Performance Organic Field‐Effect Transistors
Authors: Di Chong‐An , Liu Yungi , Yu Gui , Zhu Daoben 
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: Computational Vibrational Spectroscopy of Peptides and Proteins in One and Two Dimensions
Authors: Jeon Jonggu , Yang Seongeun , Choi Jun‐Ho , Cho Minhaeng 
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: Biological and Biomedical Applications of Two‐Dimensional Vibrational Spectroscopy: Proteomics, Imaging, and Structural Analysis
Authors: Fournier Frederic , Guo Rui , Gardner Elizabeth M. , Donaldson Paul M. , Loeffeld Christian , Gould Ian R. , Willison Keith R. , Klug David R. 
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.
Measuring the complexity of generalized linear hierarchical models
Authors: Lu Haolan , Hodges James S. , Carlin Bradley P. 
Published: January 2010

AbstractMeasuring a statistical model's complexity is important for model criticism and comparison. However, it is unclear how to do this for hierarchical models due to uncertainty about how to count the random effects. The authors develop a complexity measure for generalized linear hierarchical models based on linear model theory. They demonstrate the new measure for binomial and Poisson observables modeled using various hierarchical structures, including a longitudinal model and an areal‐data model having both spatial clustering and pure heterogeneity random effects. They compare their new measure to a Bayesian index of model complexity, the effective numberpDof parameters (Spiegelhalter, Best, Carlin & van der Linde 2002); the comparisons are made in the binomial and Poisson cases via simulation and two real data examples. The two measures are usually close, but differ markedly in some instances wherepDis arguably inappropriate. Finally, the authors show how the new measure can be used to approach the difficult task of specifying prior distributions for variance components, and in the process cast further doubt on the commonly‐used vague inverse gamma prior.
On a mixture vector autoregressive model
Authors: Fong P. W. , Li W. K. , Yau C. W. , Wong C. S. 
Published: January 2010

AbstractThe authors show how to extend univariate mixture autoregressive models to a multivariate time series context. Similar to the univariate case, the multivariate model consists of a mixture of stationary or nonstationary autoregressive components. The authors give the first and second order stationarity conditions for a multivariate case up to order 2. They also derive the second order stationarity condition for the univariate mixture model up to arbitrary order. They describe an EM algorithm for estimation, as well as a diagnostic checking procedure. They study the performance of their method via simulations and include a real application.
Modeling biological data: Several vignettes
Authors: Field Christopher A. 
Published: January 2010

AbstractThe author develops the theme of biology as a rich source of interesting problems where the data available are often noisy and multivariate. He presents various situations in which the data raise model building and inference issues. He emphasizes that appropriate modeling requires careful thought and usually provides methodological challenges. The data sets considered include bird count data, tracking data from leatherback turtles, and amino acid sequence data from primates and cetaceans.
Projection estimators of Pickands dependence functions
Authors: Fils‐Villetard Amélie , Guillou Armelle , Segers Johan 
Published: January 2010

AbstractThe authors consider the construction of intrinsic estimators for the Pickands dependence function of an extreme‐value copula. They show how an arbitrary initial estimator can be modified to satisfy the required shape constraints. Their solution consists in projecting this estimator in the space of Pickands functions, which forms a closed and convex subset of a Hilbert space. As the solution is not explicit, they replace this functional parameter space by a sieve of finite‐dimensional subsets. They establish the asymptotic distribution of the projection estimator and its finite‐dimensional approximations, from which they conclude that the projected estimator is at least as efficient as the initial one.
Testing for two states in a hidden Markov model
Authors: Dannemann Jörn , Holzmann Hajo 
Published: January 2010

AbstractThe authors consider hidden Markov models (HMMs) whose latent process has m ≥ 2 states and whose state‐dependent distributions arise from a general one‐parameter family. They propose a test of the hypothesis m = 2. Their procedure is an extension to HMMs of the modified likelihood ratio statistic proposed by Chen, Chen & Kalbfleisch (2004) for testing two states in a finite mixture. The authors determine the asymptotic distribution of their test under the hypothesis m = 2 and investigate its finite‐sample properties in a simulation study. Their test is based on inference for the marginal mixture distribution of the HMM. In order to illustrate the additional difficulties due to the dependence structure of the HMM, they show how to test general regular hypotheses on the marginal mixture of HMMs via a quasi‐modified likelihood ratio. They also discuss two applications.
Doubly adaptive biased coin designs with delayed responses
Authors: Hu Feifang , Zhang Li‐Xin , Cheung Siu H. , Chan Wai S. 
Published: January 2010

AbstractIn clinical studies, patients are usually accrued sequentially. Response‐adaptive designs are then useful tools for assigning treatments to incoming patients as a function of the treatment responses observed thus far. In this regard, doubly adaptive biased coin designs have advantageous properties under the assumption that their responses can be obtained immediately after testing. However, it is a common occurrence that responses are observed only after a certain period of time. The authors examine the effect of delayed responses on doubly adaptive biased coin designs and derive some of their asymptotic properties. It turns out that these designs are relatively insensitive to delayed responses under widely satisfied conditions. This is illustrated with a simulation study.
Shrinkage confidence intervals for the normal mean: Using a guess for greater efficiency
Authors: Willink Robin 
Published: January 2010

AbstractIf the unknown mean of a univariate population is sufficiently close to the value of an initial guess then an appropriate shrinkage estimator has smaller average squared error than the sample mean. This principle has been known for some time, but it does not appear to have found extension to problems of interval estimation. The author presents valid two‐sided 95% and 99% “shrinkage” confidence intervals for the mean of a normal distribution. These intervals are narrower than the usual interval based on the Student distribution when the population mean lies in such an “effective interval.” A reduction of 20% in the mean width of the interval is possible when the population mean is sufficiently close to the value of the guess. The author also describes a modification to existing shrinkage point estimators of the general univariate mean that enables the effective interval to be enlarged.
Primary central nervous system post‐transplantation lymphoproliferative disorder
Authors: Cavaliere Robert , Petroni Gina , Lopes Maria B. , Schiff David 
Published: January 2010

AbstractBACKGROUND:Primary central nervous system (CNS) post‐transplantation lymphoproliferative disorder (PCNS‐PTLD) is a rare complication of solid organ transplantation. The objectives of this study were to define the clinical, radiologic, and pathologic features of this disease and to explore the impact of treatment on patient outcomes.METHODS:The authors reviewed the databases of participating institutions of the International Primary CNS Lymphoma Collaborative Group for cases of PCNS‐PTLD. Thirty‐four patients who had pathologically confirmed PCNS‐PTLD without evidence of systemic PTLD were investigated retrospectively.RESULTS:The median time from transplantation to diagnosis of PCNS‐PTLD was 4.4 years. Disease usually was multifocal and involved any location of the brain but was most common in the cerebral hemispheres, usually in the subcortical white matter or basal ganglia. Radiographically, all lesions enhanced either homogenously or in a ring‐enhancing pattern. Cerebral biopsy was required to establish diagnosis in most patients. Most patients had monomorphic, Epstein‐Barr virus (EBV)‐positive disease of B‐cell origin. Response rates were high regardless of treatment type, and the median survival was 47 months. Age was the only factor predictive of survival.CONCLUSIONS:The current study demonstrated that PCNS‐PTLD is typically an EBV‐induced B‐cell lymphoma that is responsive to treatment with favorable survival in many patients. An aggressive approach to tissue confirmation of diagnosis and treatment with chemotherapy or radiotherapy should be strongly considered. Cancer 2010. © 2010 American Cancer Society
A trial of 3 interventions to promote colorectal cancer screening in African Americans
Authors: Blumenthal Daniel S. , Smith Selina A. , Majett Charlye D. , Alema‐Mensah Ernest 
Published: January 2010

AbstractBACKGROUND:Colorectal cancer (CRC) is the second leading cause of cancer death in the United States. CRC incidence and mortality rates are higher among blacks than among whites, and screening rates are lower in blacks than in whites. For the current study, the authors tested 3 interventions that were intended to increase the rate of CRC screening among African Americans.METHODS:The following interventions were chosen to address evidence gaps in the Centers for Disease Control and Prevention's Guide to Community Preventive Services: one‐on‐one education, group education, and reducing out‐of‐pocket costs. Three hundred sixty‐nine African‐American men and women aged ≥50 years were enrolled in this randomized, controlled community intervention trial. The main outcome measures were postintervention increase in CRC knowledge and obtaining a screening test within 6 months.RESULTS:There was substantial attrition: Two hundred fifty‐seven participants completed the intervention and were available for follow‐up 3 months to 6 months later. Among completers, there were significant increases in knowledge in both educational cohorts but in neither of the other 2 cohorts. By the 6‐month follow‐up, 17.7% (11 of 62 participants) of the Control cohort reported having undergone screening compared with 33.9% (22 of 65 participants) of the Group Education cohort (P = .039). Screening rate increases in the other 2 cohorts were not statistically significant.CONCLUSIONS:The current results indicated that group education could increase CRC cancer screening rates among African Americans. The screening rate of <35% in a group of individuals who participated in an educational program through multiple sessions over a period of several weeks indicated that there still are barriers to overcome. Cancer 2010. © 2010 American Cancer Society.
Predictors of timely follow‐up after abnormal cancer screening among women seeking care at urban community health centers
Authors: Battaglia Tracy A. , Santana M. Christina , Bak Sharon , Gokhale Manjusha , Lash Timothy L. , Ash Arlene S. , Kalish Richard , Tringale Stephen , Taylor James O. , Freund Karen M. 
Published: January 2010

AbstractBACKGROUND:We sought to measure time and identify predictors of timely follow‐up among a cohort of racially/ethnically diverse inner city women with breast and cervical cancer screening abnormalities.METHODS:Eligible women had an abnormality detected on a mammogram or Papanicolaou (Pap) test between January 2004 and December 2005 in 1 of 6 community health centers in Boston, Massachusetts. Retrospective chart review allowed us to measure time to diagnostic resolution. We used Cox proportional hazards models to develop predictive models for timely resolution (defined as definitive diagnostic services completed within 180 days from index abnormality).RESULTS:Among 523 women with mammography abnormalities and 474 women with Pap test abnormalities, >90% achieved diagnostic resolution within 12 months. Median time to resolution was longer for Pap test than for mammography abnormalities (85 vs 27 days). Site of care, rather than any sociodemographic characteristic of individuals, including race/ethnicity, was the only significant predictor of timely follow‐up for both mammogram and Pap test abnormalities.CONCLUSIONS:Site‐specific community‐based interventions may be the most effective interventions to reduce cancer health disparities when addressing the needs of underserved populations. Cancer 2010. © 2010 American Cancer Society.
Formation of Oxaphosphacarbenes by Reaction of [RuTpCl(PPh3)(thp)] with Terminal Alkynes and a Propargylic Alcohol
Authors: Bolaño Sandra , Bravo Jorge , Castro Jesús , Rodríguez‐Rocha Mar 
Published: January 2010

AbstractThe reaction of [TpRuCl(PPh3)2] [Tp = hydrotris(pyrazolyl)borate] with P(CH2OH)3 (thp) afforded [TpRuCl(PPh3)(thp)] (1). Compound 1 heated at reflux in NCMe yielded the cationic compound [TpRu(NCMe)(PPh3)(thp)]Cl (2). The reaction of 1 with terminal alkynes R–C≡CH [R = Ph, p‐C6H4Me, Si(Me)3, EtC(O)O] and with the propargylic alcohol [Ph2(OH)C–C≡CH] in methanol gave the new metallacyclic cationic carbenes [TpRu{κ2‐(C,P)=C(CH2R′)OCH2P(CH2OH)2}(PPh3)]Cl [R′ = Ph (3a), p‐C6H4Me (4a), H (5a), MeC(O)O (6a)] and [TpRu{κ2‐(C,P)=C(CH=CPh2)OCH2P(CH2OH)2}(PPh3)]Cl (7a), respectively. When methanolic solutions of compounds 3a–5a were heated at reflux for several hours, the compounds eliminate formaldehyde to afford the new carbene complexes [RuTp{κ2‐(C,P)=C(R″)OCH2PH(CH2OH)}(PPh3)]Cl [R″ = CH2Ph (3b), CH2C6H4Me (4b), CH3 (5b), respectively]. Compound 7a showed a very high tendency to eliminate formaldehyde. As a result, the carbene [RuTp{κ2‐(C,P)=C(HC=CPh2)OCH2PH(CH2OH)}(PPh3)]Cl (7b) formed is always present during the synthesis of 7a. When heating at reflux in methanol was sufficiently prolonged, pure 7b was obtained. When the reaction of 1 with R–C≡CH [R = Ph, p‐C6H4Me, (Me)3Si] and with Ph2(OH)CC≡CH was performed in refluxing toluene, the neutral oxaphosphacarbene complexes [TpRuCl{κ2‐(C,P)=C(CH2R)OCH2P(CH2OH)2}] [R = Ph (8), p‐C6H4Me (9), (Me)3Si (10)] and [TpRuCl{κ2‐(C,P)=C(CH=CPh2)OCH2P(CH2OH)2}] (11) were obtained. Compound 9 was structurally characterised by X‐ray diffraction analysis.
Salen Ligands Revisited: Synthesis and Application of a Planar Chiral “Ferro‐Salen” Ligand
Authors: Niemeyer Jochen , Kehr Gerald , Fröhlich Roland , Erker Gerhard 
Published: January 2010

AbstractCondensation of the O‐protected planar chiral hydroxyferrocene carbaldehyde (Sp)‐1 with ethylenediamine, followed by deprotection gave rise to the “ferro‐salen” ligand (Sp,Sp)‐3 in good yield. This scaffold was used for the preparation of a series of metal complexes [(Sp,Sp)‐4/5/6], which were subsequently applied for the Lewis acid catalyzed asymmetric trimethylsilylcyanation of benzaldehyde.
Stereodefined Access to 3‐Deoxy Sugars Through a Tandem Baylis–Hillman and Lewis Acid Catalyzed Reaction Sequence
Authors: Radha Krishna Palakodety , Manjuvani Applashetti , Narsingam Mogili , Raju Galla 
Published: January 2010

AbstractAn innovative synthetic protocol is reported for the ready access to 3‐deoxy sugars in both D and L forms as exclusive products (des >95 %) in high yields through a stereodefined Lewis acid catalyzed reaction sequence of the sugar‐derived Baylis–Hillman adducts.