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25-Gb/s OFDM 60-GHz Radio Over Fiber System Based on a Gain Switched Laser

Martin, Eamonn P.; Shao, Tong; Vujicic, Vidak; Anandarajah, Prince M.; Browning, Colm; Llorente, Roberto; Barry, Liam P. (Institute of Electrical and Electronics Engineers (IEEE), 2015-04-15)

[EN] A 25-Gb/s OFDM 60-GHz radio over fiber (RoF) transmission system employing a gain switched DFB laser for millimeter-wave generation is demonstrated. Transmission performance below the 7% FEC limit is achieved over 50 ...
60 GHz Radio Over Fiber System Based on Gain-Switched Laser

Shao, Tong; Beltrán, Marta; Zhou, Rui; Anandarajah, Prince M.; Llorente, Roberto; Barry, Liam P. (Institute of Electrical and Electronics Engineers (IEEE), 2014-10-15)

A radio over fiber (RoF) transmission system based on a gain-switched laser as an optical comb source is proposed and demonstrated. 12.5 Gb/s 16 quadrature amplitude modulation (16 QAM) signal generation and transmission ...
Abnormal Proventriculus in Bumble Bee Males

Ruiz-González, Mario X. (MDPI AG, 2022-09)

[EN] Females social insects are widely investigated, while males are often neglected. Previous work on the morphology of the bumble bee male alimentary tract has described the presence of swollen proventriculi as a character ...
An Analysis of Conversational Volatility During Telecollaboration Sessions for Second Language Learning

Dey-Plissonneau, Aparajita; Lee, Hyowon; Liu, Mingming; Patel, Vyoma; Scriney, Michael; Smeaton, Alan (Editorial Universitat Politècnica de València, 2022-05-31)

[EN] Tandem telecollaboration is a pedagogy used in second language learning where mixed groups of students meet online in videoconferencing sessions to practice their conversational skills in their target language. We ...
Arabidopsis Heat Stress-Induced Proteins Are Enriched in Electrostatically Charged Amino Acids and Intrinsically Disordered Regions

Alvarez-Ponce, D.; Ruiz-González, M.; Vera Sirera, Francisco José; Feyertag, F.; Perez Amador, Miguel Angel; Fares Riaño, Mario Ali (MDPI AG, 2018-08)

[EN] Comparison of the proteins of thermophilic, mesophilic, and psychrophilic prokaryotes has revealed several features characteristic to proteins adapted to high temperatures, which increase their thermostability. These ...
Breaking the Vehicular Wireless Communications Barriers: Vertical Handover Techniques for Heterogeneous Networks

Marquez-Barja, Johann M.; Ahmadi, Hamed; Tornell, Sergio M; Tavares de Araujo Cesariny Calafate, Carlos Miguel; Cano Escribá, Juan Carlos; Manzoni, Pietro; DaSilva, Luiz A (Institute of Electrical and Electronics Engineers (IEEE), 2015-12)

End users increasingly expect ubiquitous connectivity while on the move. With a variety of wireless access technologies available, we expect to always be connected to the technology that best matches our performance goals ...
Chance and necessity in the genome evolution of endosymbiotic bacteria of insects

Sabater-Muñoz, Beatriz; Toft, Christina; Alvarez-Ponce, David; Fares Riaño, Mario Ali (Nature Publishing Group, 2017-06)

[EN] An open question in evolutionary biology is how does the selection¿drift balance determine the fates of biological interactions. We searched for signatures of selection and drift in genomes of five endosymbiotic ...
Chromatic dispersion-induced optical phase decorrelation in a 60 GHz OFDM-RoF system

Shao, Tong; Martin, Eamonn; Anandarajah, Prince M.; Browning, Colm; Vujicic, Vidak; Llorente Sáez, Roberto; Barry, Liam P. (Institute of Electrical and Electronics Engineers (IEEE), 2014-10-15)

We propose and demonstrate a 25-Gb/s 16-quadrature amplitude modulation orthogonal frequency division multiplexing 60-GHz radio over fiber transmission system based on a gain-switched optical comb source. The impact of the ...
Coevolution analyses illuminate the dependencies between amino acid sites in the chaperonin system GroES-L

Ruíz González, Mario Javier; Fares Riaño, Mario Ali (BioMed Central, 2013-07-22)

[EN] Background: GroESL is a heat-shock protein ubiquitous in bacteria and eukaryotic organelles. This evolutionarily conserved protein is involved in the folding of a wide variety of other proteins in the cytosol, being ...
Compositional changes to synthetic biodegradable scaffolds modulate the influence of hydrostatic pressure on chondrogenesis of mesenchymal stem cells

Ródenas Rochina, Joaquín; Kelly, Daniel John; Gómez Ribelles, José Luís; Lebourg, Myriam Madeleine (IOP Publishing, 2016)

[EN] Mechanical cues such as hydrostatic pressure (HP) are known to regulate mesenchymal stem cell (MSC) differentiation. The fate of such cells is also strongly influenced by their substrate. The objective of this study ...
Essentiality Is a Strong Determinant of Protein Rates of Evolution during Mutation Accumulation Experiments in Escherichia coli

Alvarez-Ponce, David; Sabater-Munoz, Beatriz; Toft, Chirstina; Ruíz-González, Mario Javier; Fares Riaño, Mario Ali (Oxford University Press (OUP), 2016-09)

[EN] The Neutral Theory of Molecular Evolution is considered the most powerful theory to understand the evolutionary behavior of proteins. One of the main predictions of this theory is that essential proteins should evolve ...
Evolutionary dynamics and functional specialization of plant paralogs formed by whole and small-scale genome duplications

Carretero Paulet, Lorenzo; Fares Riaño, Mario Ali (Oxford University Press (OUP), 2012-11)

[EN] Gene duplicates are a major source of evolutionary novelties in the form of new or specialized functions and play a key role in speciation. Gene duplicates are generated through whole genome duplications (WGD) or ...
Molecular evolution of psbA gene in ferns: unraveling selective pressure and co-evolutionary

Sen, L; Fares Riaño, Mario Ali; Su, YJ; Wang, T (BioMed Central, 2012-08-16)

Background: The photosynthetic oxygen-evolving photo system II (PS II) produces almost the entire oxygen in the atmosphere. This unique biochemical system comprises a functional core complex that is encoded by psbA and ...
On the classification of exceptional planar functions over F_p

Hernando, Fernando; McGuire, Gary; Monserrat Delpalillo, Francisco José (Springer Verlag (Germany), 2014-12)

We will present many strong partial results towards a classification of exceptional planar/PN monomial functions on finite fields. The techniques we use are the Weil bound, Bézout’s theorem, and Bertini’s theorem.
Preservation of genetic and regulatory robustness in ancient gene duplicates of Saccharomyces cerevisiae

Keane, O.M.; Toft, C.; Carretero Paulet, Lorenzo; Jones, G.W.; Fares Riaño, Mario Ali (Cold Spring Harbor Laboratory Press, 2014-11)

[EN] Biological systems remain robust against certain genetic and environmental challenges. Robustness allows the exploration of ecological adaptations. It is unclear what factors contribute to increasing robustness. Gene ...
Protein Coadaptation and the Design of Novel Approaches to Identify Protein Protein Interactions

Fares Riaño, Mario Ali; Ruíz González, Mario Javier; Labrador, Juan Pablo (Wiley, 2011-04)

[EN] Proteins rarely function in isolation but they form part of complex networks of interactions with other proteins within or among cells. The importance of a particular protein for cell viability is directly dependent ...
Quantum codes from a new construction of self-orthogonal algebraic geometry codes

Hernando, F.; McGuire, G.; Monserrat Delpalillo, Francisco José; Moyano-Fernández, J. J. (Springer-Verlag, 2020-02-17)

[EN] We present new quantum codes with good parameters which are constructed from self-orthogonal algebraic geometry codes. Our method permits a wide class of curves to be used in the formation of these codes. These results ...
Regulatory interplay between LEAFY, APETALA1/ CAULIFLOWER and TERMINAL FLOWER1: New insights into an old relationship

Serrano Mislata, Antonio; Goslin, K.; Zheng, B.; Rae, L.; Wellmer, F.; Graciet, E.; MADUEÑO ALBI, FRANCISCO (Landes Bioscience, 2017-09-21)

[EN] The gene regulatory network comprised of LEAFY (LFY), APETALA1 (AP1), the AP1 paralog CAULIFLOWER (CAL), and TERMINAL FLOWER1 (TFL1) is a major determinant of the flowering process in Arabidopsis thaliana. TFL1 activity ...
Survival and Innovation: The role of mutational robustness in evolution

Fares Riaño, Mario Ali (Elsevier, 2015-12)

[EN] Biological systems are resistant to perturbations caused by the environment and by the intrinsic noise of the system. Robustness to mutations is a particular aspect of robustness in which the phenotype is resistant ...
The complexity space of partial functions: A connection between Complexity Analysis and Denotational Semantics

Romaguera Bonilla, Salvador; Schellekens, M.; Valero Sierra, Óscar (Taylor & Francis Ltd, 2011)

The study of the dual complexity space, introduced by S. Romaguera and M. P. Schellekens [Quasi-metric properties of complexity spaces, Topol. Appl. 98 (1999), pp. 311-322], constitutes a part of the interdisciplinary ...