Recent Posts

Prof. Sonsoles Martín Santamaría give a talk in our group

Prof. at Centro de Investigaciones Biológicas (CSIC) from Madrid gave a nice seminar about Computational Chemistry titled: “Computational Chemistry tools to address biological questions. Toll-like receptor 4 and galectins”.

She is head of Biological Chemisry Group of RSEQ.

Our study of cotinine cover in Chem. Eur. J

This work addresses the structural properties of the nicotinoid cotinine and offers the chance to compare the results to nicotine, the prototype of the nicotinoid family. Cotinine was probed in a supersonic jet expansion using the-state-of-the-art time-domain microwave spectroscopy.

A new set up is also described in the manuscript.

Our publication was highlight as cover by journal

The investigation is being published in Chem. Eur. J.

Our research about Effects of Chlorination on the Tautomeric Equilibrium of 2-Hydroxipyridine cover in Chem. Eur. J

The prototropic tautomerism in 2-hydroxypridine represents a model for the study of conformational and tautomeric equilibria. The stability of the different species is governed by the balance between electronic and resonance effects and can be greatly influenced by ring substitutions and the presence of solvents.

In particular, chlorination in different ring positions and changes in solvent polarity cause a shift of the equilibrium, therefore changing the relative abundances between isomers.

This work was a collaboration with the group of Sonia Melandri at the University of Bologna.

The investigation is being published in Chem. Eur. J

Isabelle Kleiner and Atef Jabri visited our lab

649_52e79e2139baaProf. Isabelle Kleiner (LISA, France) and Atef Jabri (LISA, France) visited our laboratory the first weeks of December.

Prof. Kleiner is a world expert in rotational spectroscopy.  Some of her interest include the large-amplitude motions.

Atef is doing the Ph. D with Isabelle. The visit opens a new collaboration with the French group. In the photograph below, Isabelle Kleiner.

Sugar meeting

Jesús Jiménez Barbero-presidente RSEQ(1) pierreProf. Jesús Jiménez-Barbero (CIC Biogune) and Dr. Pierre Çarçabal (Orsay) gave two talks in our Department. Jesús titled his talk “Sugars and glycomimetics: From conformation to recognition…” and Pierre “Sifting through sugars: carbohydrate interactions with water, protons and peptides“. We enjoyed with both talks and worlds (solution and gas phase) and had the opportunity to change some ideas.

In the photographs above Prof. Jesús Jiménez-Barbero (left) and Pierre Çarçabal (right)

XII SIJ Barcelona

From 3 to 6 November 2015, Barcelona hosted the 12th edition of the Symposium of Young Researchers of Sigma-Aldrich RSEQ (XII-SIJ). As every year, the conference is aimed at researchers in all areas of chemistry under 40 years, it aims to encourage the dissemination of research by young chemists, encourage the creation of research networks among young people and encourage interdisciplinary of chemistry XXI century.

The symposium was held in the heart of Barcelona and attendees were able to enjoy both the scientific level of the talks and the visit to the city of Barcelona during the first evening of the conference.

Awards
In addition, during the symposium prizes Sigma-Aldrich RSEQ this year has been awarded to doctors Gulías Moses Costa (University of Santiago de Compostela), Julio Fillol Lloret (Catalan Institute of Chemical Research), Carlos Martí Gastaldo (University are delivered Valencia) and Rocio Ortiz Ponce (Universidad de Málaga). They have also been granted the SusChem-MESTRELAB-JIQ Dr. Antonio Jesús Martínez Martínez (University of Strathclyde), awards in the category postdoc; Cayetana Zarate and Saez (Catalan Institute of Chemical Research) in predoc category. Emilio J. Cocinero (oral communication) and Montse (flash communication) contributed at the meeting.

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Book chapter about carbohydrates

9783319192031Pierre Çarçabal and Emilio J. Cocinero wrote a book chapter about carbohydrates on the book “Gas-Phase IR Spectroscopy and Structure of Biological Molecules“. The series Topics in Current Chemistry presents critical reviews of the present and future trends in modern chemical research. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science.

The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole.

The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field. In the figure, the cover of the book.

 

IBER 2015

The XIII Iberian Joint Meeting on Atomic and Molecular Physics (IBER2015) meeting was organized by the Atomic and Molecular Physics Division of the Portuguese Physics Society (Sociedade Portuguesa de Física), in collaboration with the Atomic and Molecular Physics Group of the Spanish Societies of Physics and Chemistry (Real Sociedad Española de Física and Real Sociedad Española de Química). Emilio J. Cocinero presented a invited talk at the meeting. In the picture bellow some participants enjoying of the great beach of Aveiro.

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HRMS 2015

The XXIV Colloquium on High Resolution Molecular Spectroscopy (HRMS 2015) was organized in Dijon last August 23-28, 2015. Emilio J. Cocinero gave a plenary talk at the meeting and Patricia Écija and Iciar Uriarte presented two poster on the conformational map of methyl-ribofuranose and cotinine. Next meeting in the HRMS series will be in Helsinki in 2017. Alberto Lesarri (UVA), Dionisio Bermejo (CSIC) and José Luis Domenech (CSIC) were the Spanish team at the HRMS 2015.

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In the photo above  Emilio J. Cocinero is giving the plenary talk at the HRMS 2015.

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In the picture above Patricia Écija (left) and Iciar Uriarte (right) presented two posters at the meeting.

Exo-2,3-Epoxynorbornane published on ChemPhysChem

Our work about exo-2,3-epoxynorbornane was published on ChemPhysChem, 2015, 16, 2609–2614. We showed a study of exo-2,3-epoxynorbornane in the gas phase by pulsed jet Fourier transform microwave spectroscopy in the 4–18 GHz region. Six isotopologues were observed and characterized in their natural abundance. The experimental substitution and effective structures were obtained. Comparison with the structure of norbornane shows significant differences in several bond lengths and valence angles upon introduction of the epoxy group. All the work is supported by quantum chemical calculations.

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Sevoflurane dimer cover in PCCP

A collaborative study between Pate’s group (Virginia University), Lesarri’s group (University of Valladolid) and our group concluded in PCCP publication which was highlight as Journal cover by the journal. Phys. Chem. Chem. Phys., 2015,17, 18282-18287.

In this work we have examined the stereoselectivity of molecular recognition between two molecules of the anesthetic sevoflurane using broadband rotational spectroscopy. The transient axial chirality of sevoflurane is revealed upon the formation of the dimer, as two different diastereoisomers made of either homo- or heterochiral species are detected in a supersonic jet expansion. In both clusters the complex is stabilized by a primary C–H···O hydrogen bond, assisted by weak C–H···F interactions. This intermolecular binding regime is characterized by a mixture of electrostatic and dispersive interactions, midway between classical hydrogen bonds and van der Waals clusters.

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Iciar and Emilio in ISMS2015 (Illinois)

The International Symposium on Molecular Spectroscopy (ISMS-2015, June 20 – 24) was organized by second time  in Champaign-Urbana (Illinois). The meeting brought together about 500 researchers. Emilio gave a Flygare Award Lecture (which recognizes outstanding contributions on the molecular spectroscopy) at a Plenary Session on “What can we expect of high-resolution spectroscopies on carbohydrates?“ and Iciar titled her talk “Unravelling the Conformational Landscape of Nicotinoids: the Structure of Cotinine by Broadband Rotational Spectroscopy“. Emilio J. Cocinero was also elected new member of International Advisory Committee for the three next years.

IMG_20150624_095257_pequeñaPhoto: (From left to right) Emilio J. Cocinero, Shanshan Yu, Richard Dawes and Susana L. Widicus Weaver received the Flygare Award.