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Hydration
Kinds of Hydration Terms modified by Hydration Selected AbstractsHydration of exercised Standardbred racehorses assessed noninvasively using multi-frequency bioelectrical impedance analysisEQUINE VETERINARY JOURNAL, Issue S36 2006A. WALLER Summary Reasons for performing study: In human and animal clinical practice, multi-frequency bioelectrical impedance analysis (MF-BIA) is increasingly used as a diagnostic tool to assess hydration of intra-and extracellular fluid compartments. Accurate determination of changes in hydration status within individuals over time has remained problematic due to the requirement for complete impedance-frequency relationships at the time points of interest. Objectives: To use MF-BIA in 13 Standardbred racehorses and 7 ,endurance' research horses to determine if MF-BIA could be used to track changes in total body water (TBW), intracellular fluid volume (ICFV) and extracellular fluid volume (ECFV) resulting from exercise. Methods: Jugular venous blood was sampled at rest and for 2,13 h following exercise. TBW, ECFV and plasma volume (PV) were measured at rest using indicator dilution techniques (D2O, thiocyanate and Evans Blue, respectively). TBW, ECFV, ICFV and PV were correlated to impedance measures and predictive equations used to determine hydration status from MF-BIA measures. Results: TBW loss continued throughout the recovery period, and was primarily borne by the ECF compartment at 90 min of recovery. Conclusions: MF-BIA predictions of compartmental hydration status were significantly correlated to measured/calculated decreases in these compartments. Potential relevance: Practical applications for MF-BIA in horses include monitoring of hydration status during transport and competition, assessment of body compostion, clinical health assessment and critical care management. [source] Microfluidic Valves Comprising Nanolayered Thermoresponsive Polymer-Grafted Capillaries,ADVANCED MATERIALS, Issue 22 2005N. Idota Thermally regulated flow control using a thermoresponsive polymer grafted onto surfaces of capillary lumen facilitates rapid, reliable, and repeatable open,close cycles (see Figure). Hydration of the grafted polymer chains on the internal surfaces may increase the microviscosity of the hydration layers at the wall interfaces without physically occluding the lumen, producing complete and reversible on/off flow valving in microchannels under hydrostatic pressures relevant for microfluidics approaches. [source] Acute liver damage in anorexia nervosaINTERNATIONAL JOURNAL OF EATING DISORDERS, Issue 1 2004Lorenza Di Pascoli Abstract We report a case of a 26-year-old White woman with a history of anorexia nervosa who developed severe liver damage and multiorgan dysfunction. At admission to our medical unit, her body mass index (BMI) was 10.8. Biochemical evaluation showed a marked increase in serum levels of aspartate aminotransferases (AST = 9,980 IU/L), alanine aminotransferase (ALT = 3,930 IU/L), amylase (1,002 IU/L), lipase (1,437 IU/L), creatine phosphokinase (CPK; 783 IU/L), and lactate dehydrogenase (LDH = 6,830 IU/L). Glomerular filtration rate was reduced (35 ml/min), reflecting dehydration and prerenal azotemia. No other cause of acute liver damage except malnutrition was evidenced. Hydration and nutritional support were the unique medical treatment. A rapid recovery occurred in few days and all laboratory data were normal at discharge after a 37-day hospitalization. © 2004 by Wiley Periodicals, Inc. Int J Eat Disord 36: 114,117, 2004. [source] A Tripodal Peptidic Titanium Phosphonate as a Homochiral Porous Solid Medium for the Heterogeneous Enantioselective Hydration of EpoxidesADVANCED SYNTHESIS & CATALYSIS (PREVIOUSLY: JOURNAL FUER PRAKTISCHE CHEMIE), Issue 13 2010Anat Milo Abstract A porous, homochiral titanium-phosphonate material based on a tripodal peptide scaffold was used as a heterogeneous reaction medium for the enantioselective hydration (>99%) of styrene oxide. This titanium-phosphonate material, which was shown to contain confined chiral spaces, was prepared by polymerization of L -leucine onto a tris(2-aminoethyl)amine initiator, followed by capping with phosphonate groups and completed by non-aqueous condensation with titanium isopropoxide. Circular dichroism confirmed that the peptide tethers yielded a secondary structure. X-ray powder diffraction and transmission electron microscopy supported by a semi-empirical model showed the likely formation of a porous, lamellar material that was quantified by nitrogen adsorption. [source] New and Easily Accessible Nitrogen Acyclic Gold(I) Carbenes: Structure and Application in the Gold-Catalyzed Phenol Synthesis as well as the Hydration of AlkynesADVANCED SYNTHESIS & CATALYSIS (PREVIOUSLY: JOURNAL FUER PRAKTISCHE CHEMIE), Issue 8 2010A. Stephen Abstract A series of gold(I) isonitrile complexes were prepared and converted to the corresponding diaminocarbene gold(I) complexes by reactions with primary and symmetrical secondary amines. Twelve crystal structure analyses of the gold(I) complexes could be obtained, in addition NMR studies allowed an analysis of the different diastereomers present in solution. In the gold-catalyzed phenol synthesis these complexes were very successful as pre-catalysts, reaching an unprecedented 3050 turnovers with a problematic substrate. Good conversions in the hydration of phenylacetylene could also be achieved. [source] Validation of Priority NIC Interventions and Suggested NOC Outcomes for Fluid Volume ExcessINTERNATIONAL JOURNAL OF NURSING TERMINOLOGIES AND CLASSIFICATION, Issue 2003Juliana de Lima Lopes PURPOSE To identify and evalutate NIC priority interventions performed by Brazilian nurses and the associated NOC outcomes for patients whose clinical conditions suggest fluid volume excess. METHODS An exploratory study was developed in two phases: (a) validation of the content of the priority NIC interventions and suggested NOC outcomes by seven expert nurses from a cardiology ward and the researcher, and (b) activities and indicators chosen were performed and evaluated daily for all patients admitted to the cardiology ward whose clinical conditions suggested fluid volume excess. FINDINGS Nurses chose 26 activities from the NIC categories of "fluid management," 23 from "fluid monitoring," and 28 from "hypervolemia management." Eighteen NOC outcomes were chosen from Fluid Balance, 11 from Hydration, and 13 from Electrolyte and Acid/Base Balance. CONCLUSIONS Nurses identified many NIC activities that are important to their practice, and they also agreed with many NOC indicators. The use of standardized languages for interventions and outcomes will allow them to develop the process of nursing care and to establish practice standards. [source] Development of the First Iron Chloride-Catalyzed Hydration of Terminal AlkynesADVANCED SYNTHESIS & CATALYSIS (PREVIOUSLY: JOURNAL FUER PRAKTISCHE CHEMIE), Issue 3 2009Xiao-Feng Wu Abstract The development of the first iron-catalyzed hydration of terminal alkynes is described using a catalytic amount of iron(III) chloride (10 mol%). The reaction leads selectively to the corresponding methyl ketone derivatives. [source] Diel spawning periodicity of red snapper Lutjanus campechanus in the northern Gulf of MexicoJOURNAL OF FISH BIOLOGY, Issue 3 2006M. W. Jackson Ovaries of red snapper Lutjanus campechanus were examined histologically to determine rates of oocyte maturation, diel spawning periodicity and whether lunar cycle influenced spawning rhythm. Hydration of red snapper oocytes began during the mid-morning hours; c. 5 h was necessary for oocytes to become fully hydrated and ovulation occurred no more than 5 h after oocytes attained full hydration. Appearance of fresh postovulatory follicles after 1330 hours and the absence of hydrated oocytes after 1830 hours signified that red snapper spawning occurred during this 5 h period. In addition, evidence of a peak in spawning was seen near 1600 hours. Postovulatory follicles degenerated within a 24 h time period. A lunar spawning cycle was not evident. [source] Sodium Bicarbonate versus Sodium Chloride and Oral N-Acetylcysteine for the Prevention of Contrast-Induced Nephropathy in Advanced Chronic Kidney DiseaseJOURNAL OF INTERVENTIONAL CARDIOLOGY, Issue 6 2009LINDA SHAVIT M.D. Introduction: Contrast-induced acute kidney injury (CI-AKI) is one of the leading causes of hospital-acquired acute kidney injury. Multiple clinical studies have proposed several preventive strategies. Aims: To examine the efficacy of sodium bicarbonate compared with sodium chloride and oral N-acetylcysteine (NAC) for preventive hydration after cardiac catheterization. Methods: We conducted a prospective, single-center trial. Patients with chronic kidney disease (CKD) stage III,IV undergoing cardiac catheterization were allocated to receive either an infusion of 0.9% sodium chloride and oral NAC or 154 mEq/L sodium bicarbonate. Main: Outcome measure CI-AKI, defined as an increase of 25% or 0.3 mg/dL or more in plasma creatinine within 2 days of contrast administration. Results: Ninety-three patients were allocated to one of the two groups: 42 patients in the saline plus NAC group and 51 patients in the bicarbonate group. There were no statistically significant differences between the groups in the most important clinical and procedural characteristics. Baseline plasma creatinine levels, estimated glomerular filtration rate, incidence of diabetes mellitus, hypertension, congestive heart failure, and contrast medium volume were similar. Mean plasma creatinine concentration was 1.76 ± 0.54 mg/dL in the saline and NAC group and 1.9 ± 1 mg/dL in the bicarbonate group (P = 0.23). The rate of CI-AKI was 9.8% in the bicarbonate group and 8.4% in the saline plus NAC group. No patient required renal replacement therapy. Conclusion: Hydration with sodium bicarbonate is not more effective than hydration with sodium chloride and oral NAC for prophylaxis of CI-AKI in patients with CKD stage III,IV undergoing cardiac catheterization. [source] Effects of Saccharide Set Retarders on the Hydration of Ordinary Portland Cement and Pure Tricalcium SilicateJOURNAL OF THE AMERICAN CERAMIC SOCIETY, Issue 1 2010Linghong Zhang The effects of aliphatic sugar alcohols (e.g., threitol, xylitol, sorbitol) on the hydration of tricalcium silicate (C3S) and ordinary portland cement (OPC) were investigated and compared with those of sucrose, a well-established cement set retarder. Only sugar alcohols which contain threo diol functionality retarded the setting of C3S and OPC, their efficacy increasing with the number of threo hydroxy pairs and, to a smaller extent, with the overall population of hydroxy groups. None, however, were as effective as sucrose. The initial and final setting times increased exponentially with the concentration of saccharide, although the hydration of OPC was less inhibited than that of C3S. Saccharides function as "delayed accelerators," that is, cement hydration is first inhibited and then proceeds faster than in saccharide-free cement. This behavior is consistent with the theory that the induction period is controlled by slow formation and/or poisoning of the stable calcium silicate hydrate (CSH) nuclei. The early inhibiting influence of saccharides on CSH precipitation is apparently stronger than on the growth of crystalline calcium hydroxide. Saccharides did not negatively affect the degree of hydration and compressive strength of fully set OPC paste; on the contrary, sorbitol yielded modest increases. [source] Increased serum phosphate levels and calcium fluxes are seen in smaller individuals after a single dose of sodium phosphate colon cleansing solution: a pharmacokinetic analysisALIMENTARY PHARMACOLOGY & THERAPEUTICS, Issue 11 2009E. D. EHRENPREIS Summary Background, Sodium phosphate containing colonoscopy preparations may cause electrolyte disturbances and calcium-phosphate nephropathy. Decreased body weight is an unexplored risk factor for complications with sodium phosphate ingestion. Aim, To perform a pharmacokinetic analysis of a single dose of Fleet Phospho-Soda in smaller and larger individuals. Methods, Seven subjects weighing <55 kg (Group I) and six weighing >100 kg (Group II) consumed 45 mL Fleet Phospho-Soda. Serum electrolytes were measured. Hydration was closely maintained by monitoring weight, fluid intake and total body water. Results, Marked increases in serum phosphate were seen in Group I compared to Group II. For example, mean serum phosphate at 120 min was 7.8 ± 0.5 mg/dL in Group I and 5.1 ± 0.8 mg/dL in Group II (P < 0.001). Normalized area under the phosphate vs. time curve for Group I was 1120 ± 190 mg/dL*min and 685 ± 136 mg/dL*min for Group II (P < 0.001). Twelve-hour urine calcium was lower in Group I (16.4 ± 7.6 mg) than in Group II (39.2 ± 7.8 mg, P < 0.001). Conclusions, Increased serum phosphate occurs in smaller individuals after ingestion of sodium phosphate preparations, even with strict attention to fluid intake. Smaller body weight poses a potential risk for calcium-phosphate nephropathy. [source] Editorial: Hydration, Body Fluid Volumes, and Fluid Therapy,Are We Moving Forward as Fast as We Think?JOURNAL OF VETERINARY INTERNAL MEDICINE, Issue 2 2003Harold C. Schott II DVM No abstract is available for this article. [source] Correlation between Morphology, Water Uptake, and Proton Conductivity in Radiation-Grafted Proton-Exchange MembranesMACROMOLECULAR CHEMISTRY AND PHYSICS, Issue 6 2010Sandor Balog Abstract An SANS investigation of hydrated proton exchange membranes is presented. Our membranes were synthesized by radiation-induced grafting of ETFE with styrene in the presence of a crosslinker, followed by sulfonation of the styrene. The contrast variation method was used to understand the relationship between morphology, water uptake, and proton conductivity. The membranes are separated into two phases. The amorphous phase hosts the water and swells upon hydration, swelling being inversely proportional to the degree of crosslinking. Hydration and proton conductivity exhibit linear dependence on swelling. Proton conductivity and volumetric fraction of water are related by a power law, indicating a percolated network of finely dispersed aqueous pores in the hydrophilic domains. [source] Hydration and health: a reviewNUTRITION BULLETIN, Issue 1 2010B. Benelam Summary Water is essential for life and maintaining optimal levels of hydration is important for humans to function well. Water makes up a large proportion of our body weight (60% on average), distributed between the intracellular (inside cells) and extracellular (water in the blood and in between cells) compartments. Water is the major component of body fluids, such as blood, synovial fluid (fluid in the joints), saliva and urine, which perform vital functions in the body. The concentration of solutes (osmolality) in body fluids is closely controlled, and even very small changes in osmolality trigger a physiological response; either to increase body water by reducing urinary output and stimulating thirst; or to excrete excess water as urine. Generally, body water is maintained within narrow limits. However, if water losses are not sufficiently replaced, dehydration occurs. Extreme dehydration is very serious and can be fatal. More mild dehydration (about 2% loss of body weight) can result in headaches, fatigue and reduced physical and mental performance. It is also possible to consume too much water and in rare cases this can result in hyponatraemia (low levels of sodium in the blood). We can get water from almost all drinks and from some foods in the diet. Food provides about 20% on average and this could vary widely depending on the types of food chosen. We also get water from all the drinks we consume, with the exception of stronger alcoholic drinks like wines and spirits. All these can contribute to dietary water, but also have other effects on health both positive and negative. The major concerns with regards to beverages are their energy content and their effect on dental health. With obesity levels continuing to increase it is important for many in the population to control their energy intake, and drinks as well as foods must be considered for their energy content. With regards to dental health, there are two concerns; dental caries and dental erosion. Dental caries are caused by a reduction in pH due to bacterial fermentation of carbohydrates, and so the frequency of consumption of drinks containing sugars is a concern for risk of caries. Dental erosion occurs at a lower pH and is caused by the consumption of acidic foods and drinks, in particular, citrus juices and soft drinks containing acids. Individual water needs vary widely depending on many factors including body size and composition, the environment and levels of physical activity. Thus it is very difficult to make generic recommendations about the amount of water to consume. The FSA currently recommends drinking about 1.2 litres per day (about 6,8 glasses). [source] The Importance of Good Hydration for the Prevention of Chronic DiseasesNUTRITION REVIEWS, Issue 2005Friedrich Manz MD There is increasing evidence that mild dehydration plays a role in the development of various morbidities. In this review, the effects of hydration status on chronic diseases are categorized according to the strength of the evidence. Positive effects of maintenance of good hydration are shown for urolithiasis (category Ib evidence); constipation, exercise asthma, hypertonic dehydration in the infant, and hyperglycemia in diabetic ketoacidosis (all category IIb evidence); urinary tract infections, hypertension, fatal coronary heart disease, venous thromboembolism, and cerebral infarct (all category III evidence); and bronchopulmonary disorders (category IV evidence). For bladder and colon cancer, the evidence is inconsistent. [source] Hydration: Issues for the 21st CenturyNUTRITION REVIEWS, Issue 8 2003Ann C. Grandjean EdD Historically, hydration research reflected critical issues of the day. War, illness, surviving a shipwreck or time in the dessert, supplying fall-out shelters, and space exploration drove hydration research in the first half of the 20th century. The fitness revolution of the 1970s spurred research on dehydration in physically active people and athletes. The 1990s introduced the "fluid/disease relationship." What will be the driving force behind hydration research in the 21st century? Where are the gaps in our knowledge? This review provides an overview of issues pertinent to determining future directions in hydration research. [source] Skin Barrier, Hydration, and pH of the Skin of Infants Under 2 Years of AgePEDIATRIC DERMATOLOGY, Issue 2 2001Francesca Giusti M.D. A total of 70 infants, 45 girls and 25 boys, ages 8,24 months, and 30 healthy women were studied by means of transepidermal water loss (TEWL), capacitance, and pH measurements at two different skin sites, the volar forearm and the buttocks. No significant differences in TEWL were found between infants and adults, either on the buttocks or on the volar forearm. On the contrary, capacitance values were higher in infants. Their skin also appeared less acid than that of adults, with high statistical significance. No TEWL, capacitance, or pH variations were observed in infants according to sex and age. On the basis of the above data, the skin of infants 8,24 months of age shows functional signs of immaturity. This may lead to an increased permeability and a reduced capacity for defense against chemical and microbial aggression. [source] Fluorine-Enabled Cationic Gold Catalysis: Functionalized Hydration of Alkynes,ANGEWANDTE CHEMIE, Issue 40 2010Weibo Wang Fluor macht's möglich: Eine kationische Fluor-Gold-Spezies, die durch Fluorierung eines niedervalenten Goldkomplexes hergestellt wurde, vermittelt die ,funktionalisierende Hydratation" von Alkinen. Eine Dreifachbindung wird hierbei genutzt, um in einem Eintopfprozess unter milden Bedingungen eine Carbonylgruppe und zwei neue Bindungen am ,-Kohlenstoffatom einzuführen (siehe Schema). [source] Hydration of polysaccharide hyaluronan observed by IR spectrometry.BIOPOLYMERS, Issue 1 2003Abstract This article is the first one in a series dedicated to the study of hyaluronan as observed by IR spectrometry. The goal is to determine its hydration mechanism and the structural changes this mechanism implies. Hyaluronan is a natural polysaccharide that is widely used in biomedical applications and cosmetics. Its macroscopic properties are significantly dependent on its degree of hydration. In this article we record the IR spectrum of a several micron thick dried film and deduce that four or five residual H2O molecules remain around each disaccharide repeat unit in the dried film. We then compare the spectra of sodium hyaluronan and its acid form to assign vibrational bands linked to the carboxylate group. We proceed with a qualitative analysis of the spectral changes induced by changes of temperature and hygroscopicity, two independent parameters that act by modifying the hydrogen bond network of the sample. This enables us to assign most of the vibrational bands of the hydrophilic groups and to distinguish the bands that are due to these hydrophilic groups when they are or are not hydrogen bonded. It constitutes a prerequisite for the quantitative analysis of hydration spectra that will be described in the following articles of this series. © 2002 Wiley Periodicals, Inc. Biopolymers (Biospectroscopy) 72: 10,20, 2003 [source] Molecular Mechanism of the Hydration of Candida antarctica Lipase B in the Gas Phase: Water Adsorption Isotherms and Molecular Dynamics SimulationsCHEMBIOCHEM, Issue 18 2009Ricardo J. F. Branco Dr. Abstract Hydration is a major determinant of activity and selectivity of enzymes in organic solvents or in gas phase. The molecular mechanism of the hydration of Candida antarctica lipase B (CALB) and its dependence on the thermodynamic activity of water (aw) was studied by molecular dynamics simulations and compared to experimentally determined water sorption isotherms. Hydration occurred in two phases. At low water activity, single water molecules bound to specific water binding sites at the protein surface. As the water activity increased, water networks gradually developed. The number of protein-bound water molecules increased linearly with aw, until at aw=0.5 a spanning water network was formed consisting of 311 water molecules, which covered the hydrophilic surface of CALB, with the exception of the hydrophobic substrate-binding site. At higher water activity, the thickness of the hydration shell increased up to 10 Å close to aw=1. Above a limit of 1600 protein-bound water molecules the hydration shell becomes unstable and the formation of pure water droplets occurs in these oversaturated simulation conditions. While the structure and the overall flexibility of CALB was independent of the hydration state, the flexibility of individual loops was sensitive to hydration: some loops, such as those part of the substrate-binding site, became more flexible, while other parts of the protein became more rigid upon hydration. However, the molecular mechanism of how flexibility is related to activity and selectivity is still elusive. [source] ChemInform Abstract: An Efficient InCl3 -Catalyzed Hydration of Nitriles to Amides: Acetaldoxime as an Effective Water Surrogate.CHEMINFORM, Issue 27 2010Eun Sun Kim Abstract ChemInform 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. [source] ChemInform Abstract: Reactions of Aminobenzoic Acids with ,,,-Acetylenic ,-Hydroxy Nitriles: Synthesis of Functionalized Amino Acids and Unusually Facile Esterification and Acetylene Hydration.CHEMINFORM, Issue 29 2009Boris A. Trofimov Abstract ChemInform 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. [source] ChemInform Abstract: [(NHC)AuI]-Catalyzed Acid-Free Alkyne Hydration at Part-per-Million Catalyst Loadings.CHEMINFORM, Issue 22 2009Nicolas Marion Abstract ChemInform 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. [source] 3231: The effect of riboflavin mediated corneal crosslinking on corneal hydrationACTA OPHTHALMOLOGICA, Issue 2010G KONTADAKIS Purpose To evaluate the primary effect of corneal collagen crosslinking on corneal hydration. Methods Twenty corneal buttons from freshly enucleated porcine eyes where immersed in riboflavin 0.1% in dextran 20% dilution for three hours in order for their hydration to reach an equilibrium. Corneal buttons where divided in two groups; the first group was stored in dark conditions while the other group was irradiated with UV radiation (390nm) for 30 minutes to stimulate collagen cross-linking according to the clinically applied protocol. After irradiation all corneas were immersed in dextran 20% solution for 30 additional minutes and subsequently weighted. Finally all corneal buttons were dehydrated for 48 hours in a desiccating oven set at 62Co and weighted again to obtain their dry mass. Hydration (%) of each button was calculated. Results were analyzed with non parametric tests. Results Irradiated group of corneas had statistically significant lower hydration than the non irradiated group. (p<0.05, Mann-Whitney Test). Mean hydration in the irradiated group was 71% and in the non-irradiated 75%. Conclusion Collagen crosslinking causes corneal dehydration that can be detected immediately after the procedure. This phenomenon may contribute to increased mechanical stiffness of the cornea. [source] ChemInform Abstract: Relationship Between Interlayer Hydration and Photocatalytic Water Splitting of A,1-xNaxCa2Ta3O10 ×nH2O (A,: K and Li).CHEMINFORM, Issue 41 2008Tomohiro Mitsuyama Abstract ChemInform 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. [source] ChemInform Abstract: Rh(I)-Catalyzed Hydration of Organonitriles under Ambient Conditions.CHEMINFORM, Issue 33 2008Akihiro Goto Abstract ChemInform 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. [source] ChemInform Abstract: An ab initio Investigation of Bismuth Hydration.CHEMINFORM, Issue 12 2008Cory C. Pye Abstract ChemInform 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. [source] Copper-Catalyzed Transformation of Carbonyl-ene-nitrile Compounds: Vinylation, Imino Ene Reaction, and Alkynylation of 2-Aza-2,4-cyclopentadienone Intermediates Generated via Ritte-Type Hydration and Dehydrative Cyclization Reactions.CHEMINFORM, Issue 20 2007Masahito Murai Abstract ChemInform 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. [source] Indium(I) Bromide-Mediated Regioselective Markovnikov Hydroselenation, Diselenation and Hydration of Terminal Alkynes with Diphenyldiselenide in Aqueous Media.CHEMINFORM, Issue 17 2006Clovis Peppe Abstract ChemInform 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. [source] Indium(III) Hydration in Aqueous Solutions of Perchlorate, Nitrate and Sulfate.CHEMINFORM, Issue 7 2005Infrared Spectroscopic Studies, Raman, Water Clusters., ab-initio Molecular Orbital Calculations of Indium(III) No abstract is available for this article. [source] | |||||||||||||||||||||||||