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Applications of microalgal biofilms for wastewater treatment and bioenergy production.

Biotechnology for biofuels

Miranda AF, Ramkumar N, Andriotis C, Höltkemeier T, Yasmin A, Rochfort S, Wlodkowic D, Morrison P, Roddick F, Spangenberg G, Lal B, Subudhi S, Mouradov A.
PMID: 28491136
Biotechnol Biofuels. 2017 May 10;10:120. doi: 10.1186/s13068-017-0798-9. eCollection 2017.

BACKGROUND: Microalgae have shown clear advantages for the production of biofuels compared with energy crops. Apart from their high growth rates and substantial lipid/triacylglycerol yields, microalgae can grow in wastewaters (animal, municipal and mining wastewaters) efficiently removing their primary...

Buffer-Gas Cooling of a Single Ion in a Multipole Radio Frequency Trap Beyond the Critical Mass Ratio.

Physical review letters

Höltkemeier B, Weckesser P, López-Carrera H, Weidemüller M.
PMID: 27341228
Phys Rev Lett. 2016 Jun 10;116(23):233003. doi: 10.1103/PhysRevLett.116.233003. Epub 2016 Jun 09.

We theoretically investigate the dynamics of a trapped ion immersed in a spatially localized buffer gas. For a homogeneous buffer gas, the ion's energy distribution reaches a stable equilibrium only if the mass of the buffer gas atoms is...

Versatile cold atom target apparatus.

The Review of scientific instruments

Götz S, Höltkemeier B, Hofmann CS, Litsch D, DePaola BD, Weidemüller M.
PMID: 22852676
Rev Sci Instrum. 2012 Jul;83(7):073112. doi: 10.1063/1.4738643.

We report on a compact and transportable apparatus that consists of a cold atomic target at the center of a high resolution recoil ion momentum spectrometer. Cold rubidium atoms serve as a target which can be operated in three...

Photoionization of optically trapped ultracold atoms with a high-power light-emitting diode.

The Review of scientific instruments

Götz S, Höltkemeier B, Amthor T, Weidemüller M.
PMID: 23635181
Rev Sci Instrum. 2013 Apr;84(4):043107. doi: 10.1063/1.4795475.

Photoionization of laser-cooled atoms using short pulses of a high-power light-emitting diode (LED) is demonstrated. Light pulses as short as 30 ns have been realized with the simple LED driver circuit. We measure the ionization cross section of (85)Rb...

Showing 1 to 4 of 4 entries