Maria Arbulu

Maria Arbulu
CIC nanoGUNE Consolider

Analytical Chemistry

About

8
Publications
1,318
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161
Citations
Additional affiliations
March 2010 - November 2014
Universidad del País Vasco / Euskal Herriko Unibertsitatea
Position
  • PhD Student

Publications

Publications (8)
Article
Full-text available
Cellulases catalyze the hydrolysis of cellulose. Improving their catalytic efficiency is a long-standing goal in biotechnology given the interest in lignocellulosic biomass decomposition. Although methods based on sequence alteration exist, improving cellulases is still a challenge. Here we show that Ancestral Sequence Reconstruction can “resurrect...
Article
Conventional time of flight ion detectors are based on secondary electron multipliers encountering a significant loss in detection efficiency, sensitivity and resolution with protein mass above 50kDa. In this work we employ a silicon nanomembrane detector in a Matrix-Assisted Laser Desorption/Ionization coupled to time of flight (MALDI-TOF) mass sp...
Article
Mechanical resonators realized on the nanoscale by now offer applications in mass sensing of biomolecules with extraordinary sensitivity. The general idea is that perfect mechanical mass sensors should be of extremely small size to achieve zepto- or yoctogram sensitivity in weighing single molecules similar to a classical scale. However, the small...
Chapter
The premise of this chapter is that the protein detectors that currently exist perform poorly for the mass analysis of high-mass proteins. Over the last few years, we have developed the basics for a new type of protein detector, based upon an entirely new principle for protein detection, and show here a robust and high-performance device that will...
Article
The aim of this work was to develop a new analytical technique for the study of the organoleptic compounds (flavour profile) of the Graciano Vitis vinifera wine variety. The cv. Graciano is a singular variety of red grapes with its origins in La Rioja and Navarra (northern Spain). This variety transfers an intense red colour, aroma and high acidity...
Article
A stir-bar sorptive extraction (SBSE) method followed by automated thermal desorption (ATD) coupled to gas chromatography-mass spectrometry was optimized for determining trace levels of 18 synthetic fragrances (musks). Using the method developed a retention time locked library is created and converted to a screening database. This homebuilt databas...

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