Low-field NMR Study enables Titanium Tube Monitoring
able to analyse samples in metal containers and at the same time, we can examine more complex substances made up of different types of components,” said Professor Dmitry Budker, head of the Mainz-based group. “We think our concept could be extremely useful when it comes to practical applications.”
High-field NMR spectroscopy is a non-destructive method of analysing the composition of substances but precludes the use of metal containers as they act as a shield against the relatively high frequencies. NMR sample containers therefore are typically made of glass, quartz, plastic, or ceramic. Furthermore, high-field NMR spectra of heterogeneous samples containing more than one component tend to be poor. There are more advanced concepts but these often have the drawback that they do not make in situ monitoring of reactions possible.
Scientists at Johannes Gutenberg University Mainz (JGU), the Helmholtz Institute Mainz (HIM) and visiting researchers from Novosibirsk in Russia, have developed a new method of observing chemical reactions. For this purpose they use NMR spectroscopy, but with an unusual twist: There is no magnetic field. “This technique has two advantages. For a start, we are
Professor Dmitry Budker’s team applied zero- to ultralow- field nuclear magnetic resonance, (ZULF NMR) which, due to the absence of a strong external magnetic field, enabled the use of a titanium test tube; a conventional glass NMR test tubewas used for comparison in their experiments. In each case, para-enriched hydrogen gas was bubbled into a liquid
to initiate a reaction between its molecules and the hydrogen.
The results showed that the reaction in the titanium tube could be readily monitored using ZULF NMR. It was possible to observe the kinetics of the ongoing reaction with high spectroscopic resolution while continually bubbling parahydrogen gas. “We anticipate that ZULF NMR will find application in the field of catalysis for operando and in situ reaction monitoring as well as in the study of chemical reaction mechanisms under realistic conditions,” the researchers reported [1].
The group remembered the important contributions of their colleague Kirill Kovtunov who sadly passed away during preparation of the manuscript of this work.
More information online: https://www.uni-mainz-de
1. DB Burueva et al., Chemical Reaction Monitoring Using Zero-Field Nuclear Magnetic Resonance Enables Study of Heterogeneous Samples in Metal Containers, Angewandte Chemie International Edition, 8 June 2020.
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analytica Vietnam 2021: Vietnam’s Must Attend Platform for the Laboratory Industry
its doors in 2021 from 14 to 16 April in Ho Chi Minh City.
The trade fair for laboratory technology, analysis, biotechnology and diagnostics is a spin-off of the world’s leading trade fair analytica in Munich. Since its launch in 2009, analytica Vietnam has developed into one of the predominant platforms for the industry in Southeast Asia. Accordingly, in 2019 the trade fair grew to a record level in terms of exhibitors, visitors and exhibition space: 143 exhibitors from 15 countries occupied around 33% more space than in 2017, with 4,144 visitors from the field attending.
In these unprecedented times the laboratory industry is more significant now than ever before. analytica Vietnam, the most important meeting place for the industry in Vietnam, opens
For the organisers of analytica Vietnam it is always crucial is to promote the exchange of expert knowledge. Therefore, an extensive conference and supporting program accompanies the exhibition with lectures, practice-oriented workshops, an exhibitor forum, lab safety shows and buyer-seller-meetings.
Vietnam continues to offer excellent market opportunities for the industry. The country’s economy has been growing at a
high level for years. The health care system is expanding, and the government plans to spend around US$32 billion on this sector by 2022. To be able to produce high-quality drugs in the country itself, the Vietnamese pharmaceutical industry is to be expanded. By contrast, for the quality assurance and optimisation of its numerous export products, such as in the food, textile and clothing industries, Vietnam still relies mainly on imports for laboratory and analytical equipment. At analytica Vietnam, this demand meets an international supply.
More information online:
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‘lab4you’ Applications Open for Young Scientists’ Research Projects
For the sixth year, Shimadzu, one of the world leaders in analytical instrumentation, offers the lab4you student program to young scientists from all over Europe. By contacting Shimadzu, young scientists can apply for laboratory bench space for their own research. In the ultra- modern ‘Shimadzu Laboratory World’ at the European headquarters in Duisburg, Germany, new and well serviced analytical instrumentation from HPLC/UHPLC and SFC to GC, mass spectrometry, a wide range of spectroscopy equipment (UV, IR, FTIR, ICP) as well as MALDI-TOF and material testing & inspection equipment is accessible to ensure the best pos- sible analytical results.
Over the years, candidates from Austria, Italy, Poland and Germany successfully applied for the free lab space. Where the topics of research submitted were particularly diverse and exciting, Shimadzu provided two lab spaces, rather than just one per year.” Projects included the investigation of new UHPLC MS-MS methods for battery research, metabolism of pharmaceuticals in plants, the fracture and fatigue behaviour of carbon fibre reinforced plastics and the development of new methods for therapeutic drug monitoring.
The Lab4You-Program for young scientists is linked to the Shimadzu European Innovation Center, a collaboration with researchers all over Europe. Together with a number of European universities, it pursues new solutions for tomorrow with regard to new analytical
methods, tools, techniques and software solutions.
In 2015, the first year of the program, Shimadzu promoted two researchers: Dr Carola Schultz (at the time PhD student at Münster University, Germany) as well as Katarzyna Brama from Warsaw University, Poland. Carola Schultz highly recommends the lab4you program: “Due to the extensive research environment, providing a unique set-up to work with technologies and systems that are best suited to push one’s research projects. The laboratory staff is very supportive in introducing the functions of the instruments.”
Interested students can apply in English language by submitting a short abstract of their research via www.
shimadzu.eu/lab4you by 31 October 2020. The successful applicant will be selected by an expert jury at Shimadzu Europa GmbH. Laboratory space will be available for the duration of the research project. Requirements for participation are an undergraduate degree in science, an inspiring topic of research and experience in the chosen technology. This applies to master students, doctoral students and post-docs from all scientific disciplines that require instrument-based analytics or material testing equipment.
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For young scientists from all over Europe, the Shimadzu lab4you program provides free lab space with high-tech analytical instrumentation.
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