Noticias SusChem - Espa�a

Crean en Santiago uno de los materiales mas duros que se conocen

Thu, 12 Nov 2009 09:29:00 +0200

-Fecha de Insercion: 11/12/2009 9:29:38 AM

Mirando la tabla periodica y las propiedades de los elementos, los cientificos ya intuian que el nitruro de cromo tenia que ser un compuesto muy duro y, por tanto, de gran utilidad para recubrir materiales sometidos a una presion constante]]>

Solo el 33% del biocarburante del Reino Unido demuestra ser sostenible

Thu, 12 Nov 2009 09:29:00 +0200

-Fecha de Insercion: 11/12/2009 9:29:38 AM

Nicholas Goodall, director ejecutivo de la Renewable Fuels Agengy del Reino Unido, afirmo que actualmente el 33% de los carburantes renovables certificados cumplen con las normas de sostenibilidad establecidas por su Gobierno. ]]>

How light gave life a helping hand

Thu, 12 Nov 2009 09:29:00 +0200

-Fecha de Insercion: 11/12/2009 9:29:38 AM

A new theory for how handedness in organic molecules evolved has been proposed by Dutch scientists. The researchers show that single-handedness in amino acids could have evolved under the influence of circularly polarised light, like that emitted by regio]]>

An Enzyme Reveals An Unexpected Inclusiveness

Thu, 12 Nov 2009 09:29:00 +0200

-Fecha de Insercion: 11/12/2009 9:29:38 AM

Protein Binding: Bacterial enzymes active site welcomes both enantiomers of a chiral molecule at the same time]]>

La ciencia avanza sobre alas de mariposa

Thu, 12 Nov 2009 09:29:00 +0200

-Fecha de Insercion: 11/12/2009 9:29:38 AM

Un equipo de investigadores espa�oles y estadounidenses ha utilizado un metodo innovador para reproducir las alas de la mariposa y los colores de los insectos a escala nanometrica]]>

Transparent Conductive Coatings by Printing coffee Ring Arrays Obtained at Room Temperature

Thu, 12 Nov 2009 09:29:00 +0200

-Fecha de Insercion: 11/12/2009 9:29:38 AM

We report here a concept for utilization of the �coffee ring effect� and inkjet printing to obtain transparent conductive patterns, which can replace the widely used transparent conductive oxides, such as ITO]]>

Liquid Crystals that Light Up

Thu, 12 Nov 2009 09:29:00 +0200

-Fecha de Insercion: 11/12/2009 9:29:38 AM

New OLED and LCD displays could be made using a hybrid material]]>

Microscopic springs made from nanotube composite

Thu, 12 Nov 2009 09:29:00 +0200

-Fecha de Insercion: 11/12/2009 9:29:38 AM

Researchers in Canada have developed a way to rapidly make tiny 3D objects out of a carbon nanotube-enriched polymer, using UV light to quickly set the structure in place.]]>

Nanoscale Contacts between Carbon Nanotubes and Metallic Pads

Thu, 12 Nov 2009 09:29:00 +0200

-Fecha de Insercion: 11/12/2009 9:29:38 AM

It is well-known that the electrical properties and performance of carbon nanotube field-effect transistors (CNTFETs) are largely dominated by their nanotube/metal contacts]]>

Zintl Chemistry for Designing High Efficiency Thermoelectric Materials

Thu, 12 Nov 2009 09:29:00 +0200

-Fecha de Insercion: 11/12/2009 9:29:38 AM

Zintl phases and related compounds are promising thermoelectric materials; for instance, high zT has been found in Yb14MnSb11, clathrates, and the filled skutterudites]]>

Metal Nanoparticle?Block Copolymer Composite Assembly and Disassembly

Thu, 12 Nov 2009 09:29:00 +0200

-Fecha de Insercion: 11/12/2009 9:29:38 AM

Ligand-stabilized platinum nanoparticles (Pt NPs) were self-assembled with poly(isoprene-block-dimethylaminoethyl methacrylate) (PI-b-PDMAEMA) block copolymers to generate organic?inorganic hybrid materials.]]>

New Understanding and Simple Approach to Synthesize Highly Hydrothermally Stable and Ordered Mesoporous Materials

Thu, 5 Nov 2009 09:03:00 +0200

-Fecha de Insercion: 11/5/2009 9:03:07 AM

Highly ordered mesoporous materials with extremely high hydrothermal stability have been successfully synthesized by a novel and facile approach.]]>

Synthesis of Bi2S3 Nanostructures from Bismuth(III) Thiourea and Thiosemicarbazide Complexes

Thu, 5 Nov 2009 09:03:00 +0200

-Fecha de Insercion: 11/5/2009 9:03:07 AM

Rod-shaped nanostructures of Bi2S3 were synthesized by the solution decomposition of the two new bismuth(III) complexes [Bi6(pydc)8(Hpydc)2(tu)8] (1) and {[Bi2(pydc)3(tsc)(H2O)2]�H2O}? (2) (H2pydc = 2,6-pyridinedicarboxylic acid also known as dipicolinic ]]>

Two metals are better than one

Thu, 5 Nov 2009 09:03:00 +0200

-Fecha de Insercion: 11/5/2009 9:03:07 AM

UK chemists have developed reagents that can metallate ethers and ethene at room temperature without them disintegrating.]]>

Practical Enantioselective Synthesis of a 3-Aryl-3-trifluoromethyl-2-aminopropanol Derivative

Thu, 5 Nov 2009 09:03:00 +0200

-Fecha de Insercion: 11/5/2009 9:03:07 AM

Development of a large-scale enantioselective synthesis of a lead compound containing a 3-aryl-3-trifluoromethyl-2-aminopropanol core is described.]]>

GM traces cause chemical feedstock shortage

Wed, 4 Nov 2009 10:11:00 +0200

-Fecha de Insercion: 11/4/2009 10:11:35 AM

The European Commission is speeding up approval of the import and processing of two genetically modified (GM) maize varieties in the European Union to prevent disruption of the oleochemical supply chain.]]>

The Discovery and Development of a Safe, Practical Synthesis of ABT-869

Wed, 4 Nov 2009 10:11:00 +0200

-Fecha de Insercion: 11/4/2009 10:11:35 AM

The discovery, development and implementation of two chemical routes to ABT-869 is reported]]>

A Practical Approach for Using Solubility to Design Cooling Crystallisations

Wed, 4 Nov 2009 10:11:00 +0200

-Fecha de Insercion: 11/4/2009 10:11:35 AM

Crystallisation and recrystallisation are important unit operations in the pharmaceutical industry.]]>

Cascading reactions in artificial cells

Wed, 4 Nov 2009 10:11:00 +0200

-Fecha de Insercion: 11/4/2009 10:11:35 AM

Dutch researchers have started performing multi-step reactions inside artificial cells made from enzymes and polymers.]]>

Melocotones, fresas y kiwis, tres frutas para producir dos biocombustibles: biometano y bioetanol

Tue, 3 Nov 2009 08:52:00 +0200

-Fecha de Insercion: 11/3/2009 8:52:43 AM

Las conclusiones de las primeras jornadas sobre bioenergia del proyecto europeo Remar (Red de Energia y Medio Ambiente), celebradas a principios de octubre en el Cener, muestran las diferentes lineas de investigacion y comercializacion que abarca, desde l]]>

Sulfur-Tolerant Anode Catalyst for Solid Oxide Fuel Cells Operating on H2S-Containing Syngas

Tue, 3 Nov 2009 08:52:00 +0200

-Fecha de Insercion: 11/3/2009 8:52:43 AM

Strontium-doped lanthanum vanadate, La0.7Sr0.3VO4, LSV, was prepared via a nitrate-citrate combustion method]]>

Multilayer Sulfonated Polyhedral Oligosilsesquioxane (S-POSS)-Sulfonated Polyphenylsulfone (S-PPSU) Composite Proton Exchange Membranes

Tue, 3 Nov 2009 08:52:00 +0200

-Fecha de Insercion: 11/3/2009 8:52:43 AM

Single-layer proton exchange membranes (PEMs) have been under development for several decades.]]>

Synthesis and Structural Characterization of La1?xAxMnO2.5 (A = Ba, Sr, Ca) Phases: Mapping the Variants of the Brownmillerite Structure

Tue, 3 Nov 2009 08:52:00 +0200

-Fecha de Insercion: 11/3/2009 8:52:43 AM

Analysis of the structural parameters of phases that adopt brownmillerite-type structures suggests the distribution of the different complex ordering schemes adopted within this structure type can be rationalized by considering both the size of the separa]]>

High-Energy Batteries Coming to Market

Mon, 2 Nov 2009 12:06:00 +0200

-Fecha de Insercion: 11/2/2009 12:06:47 PM

Rechargeable zinc-air batteries can store three times the energy of a lithium-ion battery]]>

Inhaled Nanotubes Reach Lung Lining In Mice

Mon, 2 Nov 2009 12:06:00 +0200

-Fecha de Insercion: 11/2/2009 12:06:47 PM

If inhaled, multiwalled carbon nanotubes can travel to the lung lining of mice and cause scarring, according to a paper from James C. Bonner of North Carolina State University and coworkers ]]>

Changes in atomic-scale structures observed in real time

Mon, 2 Nov 2009 12:06:00 +0200

-Fecha de Insercion: 11/2/2009 12:06:47 PM

Researchers in the�US have developed a new technique to allow changes in atomic-scale structures to be tracked in real time.]]>

Defective Ni Perovskites as Cathode Materials in Intermediate-Temperature Solid-Oxide Fuel Cells: A Structure?Properties Correlation

Mon, 2 Nov 2009 12:06:00 +0200

-Fecha de Insercion: 11/2/2009 12:06:47 PM

Four oxides belonging to the perovskite series of nominal stoichiometry LaNi1?xMoxO3, x = 0.10, 0.15, 0.20, 0.25 (LNMO), have been tested as cathode materials for solid oxide fuel cells (SOFC).]]>

Smart windows convert light to energy

Wed, 28 Oct 2009 08:40:00 +0200

-Fecha de Insercion: 10/28/2009 8:40:29 AM

Increasing energy demands and concerns about global warming mean that the sun is an important inexhaustible and clean energy source. ]]>

Nanoparticles brought to order

Wed, 28 Oct 2009 08:40:00 +0200

-Fecha de Insercion: 10/28/2009 8:40:29 AM

US researchers have developed a process that could bring the unusual properties of nanoparticles to a larger scale, by using small molecules to evenly space nanoparticles in a polymer composite.]]>

Methane all bound up

Wed, 28 Oct 2009 08:40:00 +0200

-Fecha de Insercion: 10/28/2009 8:40:29 AM

US chemists have characterised the first stable sigma-methane complex - in which methane binds to a metal without breaking its C�-H bonds. ]]>

Carbenes catalyse metal-metal bonds in organometallics

Wed, 28 Oct 2009 08:40:00 +0200

-Fecha de Insercion: 10/28/2009 8:40:29 AM

Chemists in the US have discovered a novel way to transform organometallic compounds so that new metal-metal bonds are created. The transformation is mediated by stable carbenes, which are strong electron donors]]>

New evidence for toxic effects of inhaled nanotubes

Wed, 28 Oct 2009 08:40:00 +0200

-Fecha de Insercion: 10/28/2009 8:40:29 AM

Further evidence for the asbestos-like effects of carbon nanotubes has emerged from a new study in mice. The study shows for the first time that the tubes reach the outer lining of the lung when inhaled - as asbestos does.]]>

En cuatro meses, una empresa espa�ola comenzara a elaborar biodiesel de coco en Paraguay

Wed, 28 Oct 2009 08:40:00 +0200

-Fecha de Insercion: 10/28/2009 8:40:29 AM

Seran destinados 16,4 millones de dolares (11 millones de euros) a la puesta en marcha de un proyecto, que recibira el nombre de Compa�ia Paraguayo Espa�ola de Bioenergia (Copebiosa), para fabricar biocombustible con base en coco en el departamento de Cor]]>

Commercializing Garbage to Ethanol

Wed, 28 Oct 2009 08:40:00 +0200

-Fecha de Insercion: 10/28/2009 8:40:29 AM

A startup that is developing a process to convert a wide range of materials, including wood chips and garbage, into ethanol has moved a step closer to commercializing the technology.]]>

Removal of Heavy Metals from Organic Reaction Mixtures: Preparation and Application of Functionalized Resins

Wed, 28 Oct 2009 08:40:00 +0200

-Fecha de Insercion: 10/28/2009 8:40:29 AM

Using a toolbox, sulfur and amine ligands are attached to a variety of hydrophobic and hydrophilic resins, and the combinations were tested for the removal of heavy metals from a number of products, prepared by metal-catalyzed reactions.]]>

Single molecule magnets with a twist

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

A family of single molecule magnets (SMMs) with magnetic properties that can be tuned by distorting the molecules have been synthesized by UK researchers.]]>

Detecting Light with Graphene

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

The atom-thick carbon material could have optoelectronic applications]]>

Redesigning Silk

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

Silk from silkworms can be reprocessed to give it spider-silk properties, according to a new report (Macromolecules, DOI: 10.1021/ma9017235). The reprocessing method gives researchers a new way to design silk fibers with customizable features.]]>

Colourful polymers on demand

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

A new polymer-based material can change from clear to multi-coloured right through to opaque black at the flick of a switch.]]>

Conducting MOFs make membranes for fuel cells

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

New crystalline compounds could yield better materials for fuel cell applications, according to Canadian scientists. ]]>

El uso de enzimas rentabiliza la produccion de biodiesel a partir de aceites usados

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

Segun datos de la Universidad de Salamanca solo se recupera el 20% del aceite usado de cocina. Segun algunas fuentes del sector del biodiesel, menos de la mitad se destina a producir este biocarburante. Investigadores de la universidad citada quieren ayud]]>

Biofuel from Sewage

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

These days, more and more companies are finding that sewage is a veritable black gold. In recent years, sewage sludge has been mined for electricity, fertilizer, fish food, and gasoline. ]]>

New catalyst for propene oxidation

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

Chemists in Japan have demonstrated a new clean catalytic system for converting propene to propene epoxide using gaseous oxygen as the oxidising agent, instead of the standard process which requires chlorine and produces a range of toxic by-products]]>

New catalyst converts waste CO2 to useful molecules

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

Super-efficient catalysts for conversion of waste carbon dioxide from power stations into useful cyclic carbonate molecules could help reduce emissions and the petrochemical industrys dependence on fossil fuels, say UK chemists]]>

New route to amino acids

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

US scientists have found a new way of making a class of non-natural amino acids that are widely used as components of pharmaceuticals and chiral catalysts.]]>

A Continuously Operated Bimembrane Reactor Process for the Biocatalytic Production of (2R,5R)-Hexanediol

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

Alcohol dehydrogenase-catalyzed reductions of prochiral ketones to chiral alcohols require the regeneration of consumed cofactors such as NADH or NADPH. ]]>

Crean alas de mariposa nanometricas

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

Un equipo de investigadores de la Universidad Estatal de Pensilvania (EE UU) y de la Universidad Autonoma de Madrid (UAM) ha desarrollado una tecnica para replicar estructuras biologicas, como las alas de las mariposas, a escala nanometrica.]]>

Paper pesticide sensor

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

Researchers have developed a paper-based colour-changing sensor to detect organophosphate pesticides and other acetylcholinesterase (AChE) inhibitors in food and drink samples.]]>

Self-healing at the nanoscale

Tue, 20 Oct 2009 12:51:00 +0200

-Fecha de Insercion: 10/20/2009 12:51:25 PM

Nature uses self-healing in all living systems to repair damage caused by environmental interactions. A simple case is repairing a skin wound - without this mechanism, we could not live]]>

�Dark� Singlet Oxygenation of ?-Citronellol: A Key Step in the Manufacture of Rose Oxide

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

We describe the development of a scalable process for the �dark� singlet oxygenation of ?-citronellol as a key step in the manufacture of the fragrance compound, rose oxide]]>

Selective Hydrogenation of 2-Methyl-3-butyne-2-ol in a Wall-Coated Capillary Microreactor with a Pd25Zn75/TiO2 Catalyst

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

Continuous flow capillary microreactors with embedded monometallic (Pd) or bimetallic (Pd25Zn75) catalysts have been tested in the selective hydrogenation of alkyne reagents.]]>

EU project treats agro waste for biogas

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

The large amount of agricultural waste generated in the EU each year is a headache for farmers, who are obliged to get rid of it.]]>

Getting Arsenic Out of Water

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

IBM is developing a membrane that is more effective at ridding drinking water of arsenic contaminants.]]>

Cientificos alemanes y japoneses depuran un nuevo proceso para convertir biocombustibles en alcanos y metanol

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

Para la proteccion del medio ambiente, y debido a la cantidad limitada de combustibles fosiles disponible, las energias renovables, denominados en su conjunto como biomasa, se han convertido en foco de atencion creciente para la produccion de energia]]>

Brewing Spandex

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

A startup uses strains of E. coli bacteria to convert sugar into valuable chemicals for textiles and other products]]>

Roll-Up Solar Panels

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

A startup is making thin-film solar cells on flexible steel sheets]]>

Crean un nuevo superconductor a partir de un material semiconductor en desuso con financiacion comunitaria

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

Unos investigadores de Alemania han logrado convertir un elemento semiconductor en desuso, el germanio, en material superconductor.]]>

Quasicrystals In Nature

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

Search turns up oddly ordered crystalline grains in Al-Cu-Fe minerals]]>

Another One-Atom-Thick Material

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

Boron nitride joins graphene on list of thinnest free-standing crystals]]>

Ce1?xRuxO2?? (x=0.05, 0.10): A New High Oxygen Storage Material and Pt, Pd-Free Three-Way Catalyst

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

Nanocrystalline Ce1?xRuxO2?? (x=0.05 and 0.10) of 8?10 nm sizes have been synthesized by hydrothermal method using melamine as complexing agent. ]]>

Colloidal Crystal Templating to Produce Hierarchically Porous LiFePO4 Electrode Materials for High Power Lithium Ion Batteries

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

Porous LiFePO4 has been prepared via a solution-based templating technique.]]>

Skyscraper approach to nanoelectronics

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:27 PM

Scientists based at the University of Georgia, US, have grown conjugated polymer brushes directly onto monolayers, producing films with thicknesses less than 42 nanometres]]>

Nanocrystal growth process revealed

Wed, 10 Jun 2009 12:46:00 +0200

-Fecha de Insercion: 6/10/2009 12:46:26 PM

Research by US scientists has shed light on precisely how nanocrystals grow, providing key information that could help improve fuel cells of the future.]]>

A concrete solution to climate change?

Thu, 4 Jun 2009 11:39:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

A better understanding of how carbon dioxide is absorbed by concrete could help scientists accelerate absorption processes and offset a greater proportion of the emissions from cement production, according to new research.]]>

Wines chemical memory

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

European researchers have discovered that even 10 years after bottling, wine still holds the chemical signature of the forest from which the barrel used to age it was made]]>

KMM-NoE fuels research and competitiveness in Europe

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

Europe has put the pressure on both the research sector and industry to develop innovative knowledge-based multicomponent materials (KMM) for durable and safe performances.]]>

Investigadores de la UAM de Mexico desarrollan un metodo para obtener hidrogeno a partir de etanol

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

Un equipo de investigadores de la Universidad Autonoma Metropolitana (UAM) ha desarrollado prototipos de catalizadores y membranas ceramicas capaces de obtener hidrogeno a partir de etanol]]>

New Structure Revisits History

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

Enzyme played key role in World War I and history of enzymology]]>

Plasma Fluorination of Chemically Derived Graphene Sheets and Subsequent Modification With Butylamine

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

We describe a facile and scalable surface treatment for the functionalization of the graphene sheets (GSs).]]>

Phthalocyanines as Efficient Sensitizers in Low-Tg Hole-Conducting Photorefractive Polymer Composites

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

The capability of phthalocyanines (Pc�s) to efficiently sensitize low glass transition temperature (Tg) poly(N-vinylcarbazole)-based composites for high-performance photorefractivity (PR)]]>

Salt nanowire surprise

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

Common table salt - normally a brittle crystalline material - can be pulled into nanowires that will extend by more than twice their own length without breaking, US researchers have found]]>

Exploitation of Ionic Liquid Electrolyte for Dye-Sensitized Solar Cells by Molecular Modification of Organic-Dye Sensitizers

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

When an alkyl-functionalized metal-free organic dye (MK-2) was employed as a sensitizer, dye-sensitized TiO2 solar cells (DSSCs) fabricated with an ionic liquid (IL) electrolyte]]>

Microwave Synthesis of Bimetallic Nanoalloys and CO Oxidation on Ceria-Supported Nanoalloys

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

A facile and fast microwave irradiation (MWI) method has been developed to prepare a wide variety of pure metallic and bimetallic alloy nanoparticles with controlled size and shape]]>

One-Pot Synthesis of Carbon-Coated SnO2 Nanocolloids with Improved Reversible Lithium Storage Properties

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

We report a simple glucose-mediated hydrothermal method for gram-scale synthesis of nearly monodisperse hybrid SnO2 nanoparticles]]>

Low-Temperature Synthesis of Mesoporous Titania?Silica Films with Pre-Formed Anatase Nanocrystals

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

Titania?silica composite films with a high content of crystalline titania phase and periodic mesoporous structure were fabricated by a low temperature �brick and mortar� approach]]>

Novel Liquid Crystalline Organic?Inorganic Hybrid for Highly Sensitive Photoinscriptions

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

A new class of organic?inorganic liquid crystalline hybrid materials consisting of an azobenzene derivative and titanium oxide ]]>

A Convenient and Stable Synthon for Ethyl Azide and Its Evaluation in a [3 + 2]-Cycloaddition Reaction under Continuous-Flow Conditions

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

Azidoethyl phenyl sulfide, a readily accessible and reasonably stable synthon for ethyl azide with acceptable thermal safety properties, was investigated ]]>

An Improved Process for the Preparation of Diphenylmethyl 7?-Phenylacetamido-3-hydroxymethyl-3-cephem-4-carboxylate

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

An efficient and improved process for the preparation of diphenylmethyl 7?-phenylacetamido-3-hydroxymethyl-3-cephem-4-carboxylate was developed.]]>

The worm turns - into graphene

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

Chinese scientists have found a new route to high-quality graphene sheets for making flexible electronics]]>

Combining the properties of fullerenes and polymers for next-generation solar cells

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

Increasing the efficiencies of polymer-based solar cells while at the same time keeping production complexity and cost low will require the preparation of new classes of polymers that can be prepared with a minimum of synthetic steps.]]>

Hydrothermal Dehydration for the �Green� Reduction of Exfoliated Graphene Oxide to Graphene and Demonstration of Tunable Optical Limiting Properties

Wed, 3 Jun 2009 09:44:00 +0200

-Fecha de Insercion: 6/3/2009 9:28:19 AM

This work reports a simple, clean, and controlled hydrothermal dehydration route to convert graphene oxide (GO) to stable graphene solution]]>

A Facile, One-Pot Synthesis of Lacidipine Using in Situ Generation of Wittig Intermediates

Tue, 26 May 2009 09:53:00 +0200