Die Bestimmung des Cyanamids

Dubois, R. U.; Pinck, L. A.

doi:10.1007/bf01469828

Cited by 2 publications

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“…The concentrations of residual sugars in the culture media were estimated by the anthrone method [21] in the case of glucose and saccharose. The method of Hebert et al [22] was used to measure xylose consumption.…”

Section: Sugar Determinationmentioning

confidence: 99%

Lipid accumulation in Trichoderma species

Serrano‐Carreón

1992

FEMS Microbiology Letters

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Two filamentous fungi, Trichoderma harzianum and Trichoderma viride, were compared for their ability to synthesize lipids on different carbon and nitrogen sources. Three culture media were selected for each strain after preliminary screening. All the test media were nitrogen‐deficient (C/N = 60) so as to stimulate lipid accumulation. For both microorganisms the glucose‐ammonium sulphate medium was the most conducive to lipid production: a lipid accumulation of 17% (w/w) of biomass dry weight was obtained for T. harzianum and of 32% (w/w) of biomass dry weight for T. viride. In sucrose‐sodium nitrate medium T. harzianum was able to accumulate almost 25% (w/w) of its biomass in lipid form. However the small quantity of biomass produced (2 g dry weight/l) limited the quantity of lipid obtained. Neutral lipids, free fatty acids and phospholipids were monitored during 8 days of cultivation of the two fungi.

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Section: Sugar Determinationmentioning

confidence: 99%

Lipid accumulation in Trichoderma species

Serrano‐Carreón

1992

FEMS Microbiology Letters

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“…In fact, metal ions are sometimes added to compounds containing no acidic or basic groups such as polymers (88) and carbohydrates (89) to increase ion yield. However, alkali atoms such as potassium and sodium-ubiquitous especially in biological systems-tend to suppress positive ion signals in MALDI (90,91) and by forming multiple alkali adduct peaks, reduce signal-to-noise ratio and broaden spectral lines (92,93). One of many current challenges in environmental mass spectrometry is posed by hundreds of millions of liters of mixed chemical, radioactive and flammable wastes stored primarily in Mass (m/z) Figure 19.…”

Section: Mass Spectrometry Of Complex Environmental Materialsmentioning

confidence: 99%

Applications of Free‐Electron Lasers in the Biological and Material Sciences^¶

Edwards

Allen

Haglund

et al. 2005

Photochem & Photobiology

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Free-Electron Lasers (FELs) collectively operate from the terahertz through the ultraviolet range and via intracavity Compton backscattering into the X-ray and gamma-ray regimes. FELs are continuously tunable and can provide optical powers, pulse structures and polarizations that are not matched by conventional lasers. Representative research in the biological and biomedical sciences and condensed matter and material research are described to illustrate the breadth and impact of FEL applications. These include terahertz dynamics in materials far from equilibrium, infrared nonlinear vibrational spectroscopy to investigate dynamical processes in condensed-phase systems, infrared resonantenhanced multiphoton ionization for gas-phase spectroscopy and spectrometry, infrared matrix-assisted laser-desorptionionization and infrared matrix-assisted pulsed laser evaporation for analysis and processing of organic materials, human neurosurgery and ophthalmic surgery using a medical infrared FEL and ultraviolet photoemission electron microscopy for nanoscale characterization of materials and nanoscale phenomena. The ongoing development of ultraviolet and Xray FELs are discussed in terms of future opportunities for applications research,

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Die Bestimmung des Cyanamids

Cited by 2 publications

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Lipid accumulation in Trichoderma species

Lipid accumulation in Trichoderma species

Applications of Free‐Electron Lasers in the Biological and Material Sciences^¶

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Die Bestimmung des Cyanamids

Cited by 2 publications

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Lipid accumulation in Trichoderma species

Lipid accumulation in Trichoderma species

Applications of Free‐Electron Lasers in the Biological and Material Sciences¶

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Applications of Free‐Electron Lasers in the Biological and Material Sciences^¶