Results 21 to 30 of about 17,221,339 (259)

Investigation of hexagonal 2D super structures by dynamic force spectroscopy : boron nitride and graphene on transition metals [PDF]

open access: yes, 2012
Investigation of hexagonal 2D super structures by dynamic force spectroscopy -Boron nitride and graphene on transition metals- Inauguraldissertation zur Erlangung der Wuerde eines Doktors der Philosophie The 2D hexagonal superstructures of h-BN on
Koch, Sascha
core   +1 more source

High-Frequency Modulation Spectroscopy with a THz Quantum-Cascade Laser [PDF]

open access: yes, 2013
A terahertz absorption spectrometer with a quantum-cascade laser (QCL) for high-resolution molecular spectroscopy is realized. The spectrometer is based on highfrequency (up to 50 MHz) modulation of the QCL frequency.
H.-W. Hubers   +11 more
core   +1 more source

Advanced methods for enhanced sensing in biomedical Raman spectroscopy [PDF]

open access: yes, 2015
Raman spectroscopy is a powerful tool in the field of biomedicine for disease diagnosis owing to its potential to provide the molecular fingerprint of biological samples.
Balagopal, Bavishna
core   +1 more source

Time-resolved NIR/Vis spectroscopy for analysis of solids: Pharmaceutical tablets [PDF]

open access: yes, 2002
Time-resolved spectroscopy in the visible and near-infrared (NIR) regions was used in a feasibility study for analysis of solid pharmaceuticals. The objective of the experiments was to study the interaction of light with pharmaceutical solids and to ...
Svanberg, Sune,   +10 more
core   +1 more source

Focusing with planar microlenses made of two-dimensionally varying high contrast gratings [PDF]

open access: yes, 2014
The authors thank the European Union for the financial support through Marie Curie Action FP7-PEOPLE-2010-ITN Project No. 264687 “PROPHET”.We report on the focusing performance of reflective two-dimensionally varying high contrast grating lenses based on
Krauss, T.F.   +5 more
core   +1 more source

Direct Spectroscopy of 51 Eridani b with JWST NIRSpec

open access: yesThe Astronomical Journal
We present high-contrast direct spectroscopy of the low-mass, cool exoplanet 51 Eridani b (2–4 M _Jup , ∼750 K) using JWST/NIRSpec in a fixed-slit configuration (F290LP/G395H, 3–5 μ m, R ∼ 2700).
Alexander Madurowicz   +6 more
doaj   +1 more source

Highly Efficient Trityl-nitroxide Biradicals for Biomolecular High-field Dynamic Nuclear Polarization [PDF]

open access: yes, 2021
Dynamic nuclear polarization (DNP) is a powerful method to enhance the sensitivity of solid-state magnetic nuclear resonance (ssNMR) spectroscopy. However, its biomolecular applications at high magnetic fields (preferably > 14 T) have so far been limited
Safeer, Adil   +13 more
core   +3 more sources

Salmonella lipopolysaccharide‐containing supported lipid bilayers as platforms to study bacteriophage interactions

open access: yesFEBS Letters, EarlyView.
We present robust protocols for the preparation of supported lipid bilayers (SLBs) incorporating either Salmonella smooth LPS or outer membrane vesicles (OMVs). We use a combination of quartz crystal microbalance with dissipation (QCM‐D) and fluorescence microscopy to both characterize the SLBs of various compositions and to probe their interactions ...
Hudson P. Pace   +6 more
wiley   +1 more source

Mid-infrared Spectrum of the Disk around the Forming Companion GQ Lup B Revealed by JWST/MIRI

open access: yesThe Astrophysical Journal Letters
GQ Lup B is a forming brown dwarf companion ( M ∼ 10–30 M _J ) showing evidence for an infrared excess associated with a disk surrounding the companion itself.
Gabriele Cugno   +7 more
doaj   +1 more source

Modelling stem cell differentiation related processes—A practical overview for biologists

open access: yesFEBS Letters, EarlyView.
Stem cell differentiation is complex and difficult to control experimentally. This review introduces suitable computational modelling approaches that can support stem cell research, from mechanistic ODE and abstract models to multiscale and deep learning methods.
Ricco Zeegelaar   +4 more
wiley   +1 more source

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