xii UK Focus - Environmental Laboratory Mass Spectrometer Combining High Throughput, High Resolution and High-Energy


Shimadzu (UK), one of the world specialists in analytical instrumentation, introduces the new MALDI-7090 MALDI TOF-TOF mass spectrometer targeted for proteomics and tissue imaging research. The combination of Shimadzu’s extensive MALDI-TOF-TOF expertise with novel patented technology provides the MALDI-7090 with ultimate capabilities for identification and structural characterisation of biomolecules.


Innovative technology incorporated into the MALDI-7090 such as ASDF - Axial Spatial Distribution Focussing, delivers market leading high resolution MALDI MS/MS for accurate compound characterisation. This, in combination with proprietary solid state laser technology, true 2 kHz acquisition speed in all modes (MS and MS/MS), an integrated 10-plate loader and newly designed MALDI Solutions software, sets a new benchmark in MALDI TOF-TOF design.


Assistant professor Takeshi Kawamura from RCAST, University of Tokyo commented “The 2kHz laser speed and high MS/MS resolution in the MALDI-7090 has accelerated our research in proteomics analysis for protein complex and histone modification using LC-MALDI” Furthermore, the 20keV high energy CID capability of the MALDI-7090 efficiently produces additional fragment ions to further enhance characterisation. When commenting on the value of high-energy CID and high resolution MS/MS capabilities of the MALDI-7090, Professor Guenter Allmaier from the Technical University of Vienna said “High-energy CID is the only way to locate double bonds in compounds containing fatty acids without any derivatisation - e.g. of triglycerides in plant oils used as food or corcins (color responsible structures) isolated in saffron. Data interpretation for structure elucidation of such high-energy CID spectra without isotopic resolved fragment ions is very hard to achieve.”


Comprising a powerful range of tools for method development, acquisition, data processing and interpretation, MALDI Solutions software allows automatic and manual control of the MALDI-7090 and has been designed to provide a flexible platform in the hands of both novice and expert users. Targeted software modules within MALDI Solutions address a wide variety of research applications such as proteomics and tissue imaging amongst others.


Commenting on the launch of the MALDI-7090 Mr Kozo Shimazu, Managing director of Kratos Analytical wholly owned subsidiary of Shimadzu Corporation, stated “We are very proud to announce the release of the MALDI-7090 at ASMS 2013. This newly designed MALDI TOF-TOF mass spectrometer broadens the Shimadzu MALDI product portfolio into the high performance high-throughput research field. The MALDI- 7090 is the perfect complement to our AXIMA range of MALDI TOF and MALDI-QIT TOF instruments which already provide MS, MS/MS and MSn capabilities. The MALDI-7090 offers ultimate sample throughput with high energy CID and high resolution MS/MS. This introduction forms an integral part of Shimadzu’s comprehensive mass spectrometry range of LCMS, GCMS and MALDI TOF mass spectrometers”.


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In response to a recent surge in sales of automated discrete chemistry analysers and segmented flow analysers, SEAL Analytical (UK) has announced the appointment of Sadie Vick to the position of Technical Support Chemist, based in the UK.


Sadie has an honours degree in Chemistry from the University of Liverpool and has previous experience in technical roles with a laboratory equipment manufacturer, working both in the UK and in China.


Welcoming Sadie to the business, SEAL Analytical President Stuart Smith said: “The success of our company has been built on our ability to develop technologies that precisely meet the needs of our customers and to provide outstanding levels of training and support to ensure optimal performance. A high level of technical competency and the ability to clearly communicate training and support information is therefore essential, and we are delighted to welcome Sadie to the team.”


Following a period of intensive training at SEAL’s US facility, Sadie will return to join the UK’s technical support team during the summer of 2013. In this role, Sadie will provide product demonstrations, technical advice, maintenance and service..


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Warwick Analytical Service (UK) has reported on analysis it carried out on behalf of Buckinghamshire County Council (UK) who were investigating a serious case of illegal dumping of dangerous chemicals.


As a result of laboratory analytical service data produced by Warwick Analytical Service (WAS) - Buckingham County Council (BCC) was able to successfully prosecute this criminal act.


In this 'fly tipping' incident two drums of Sodium Hydroxide each containing significant amounts of the chemical were dumped in a location known to the Council and local police to be an area of where these activities occur regularly. The removal of these substances cost the local community in excess of £2000. Two individuals were caught on a surveillance camera which was installed at the site and subsequently interviewed at a local police station. One of the individuals was summoned to appear in court in connection with these charges. To assist in the prosecution of the court case, BCC contracted WAS to carry out Sodium analysis by ICP-OES to confirm the Sodium content and pH analysis and that the sample was an extremely basic material.


Operating from its ISO 17025 certified facility - WAS determined 55.5% Sodium composition in the sample. While the theoretical value for Sodium in Sodium Hydroxide is 57.5% when exposed to air it reacts with Carbon Dioxide to form Sodium Carbonate. Therefore it was concluded that this value was not inconsistent with a partly carbonised sample of Sodium Hydroxide. WAS also obtained a pH value of 13.7 which proved that the sample was extremely alkaline consistent with Sodium Hydroxide. WAS provided a witness statement to this effect and the court ruled that the analytical results were sufficient to prove the case and to enable BCC to secure a conviction.


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IET September / October 2013 www.envirotech-online.com email: 81ad@reply-direct.com


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