Results 201 to 210 of about 277,444 (259)

Ideal Molecular Sieving with a Dense MOF for Helium Upgrading with Highly Diffusion Selective Mixed Matrix Membranes

Advanced Functional Materials, EarlyView.
The separation of Helium gas from natural gas is challenging but highly important. MIL‐116(Ga), a “non‐porous” metal–organic framework is used as a molecular sieve to separate He from CH4. Druse‐like MIL‐116(Ga) particles are integrated into polysulfone mixed matrix membranes.
Ayisha Komal, Laura Calderón‐Rodríguez, Oksana Smirnova, Eren Grossmann, Aparna Binu Varghese, Karen Marlenne Garcia Alvarez, Andreas Schneemann, Thomas Hoyer, Ralf Wyrwa, Felix Helmut Schacher, Alexander Knebel   +10 more
wiley   +1 more source

Linear Energy Transfer (LET) —Relative Biological Effectiveness (RBE) —

RADIOISOTOPES, 1981
openaire   +2 more sources

Intermolecular Interactions as Driving Force of Increasing Multiphoton Absorption in a Perylene Diimide‐Based Coordination Polymer

Advanced Functional Materials, EarlyView.
This study uncovers the unexplored role of intermolecular interactions in multiphoton absorption in coordination polymers. By analyzing [Zn2tpda(DMA)2(DMF)0.3], it shows how the electronic coupling of the chromophores and confinement in the MOF enhance two‐and three‐photon absorption.
Simon Nicolas Deger, Anna Mauri, Yang Cui, Sebastian Josef Weishäupl, Ali Deniz Özdemir, Hamad Syed, Aleksandr Ovsianikov, Wolfgang Wenzel, Alexander Pöthig, Jürgen Hauer, Mariana Kozlowska, Roland Augustinus Fischer   +11 more
wiley   +1 more source

Dual‐Mode Film Based on Highly Scattering Nanofibers and Upcycled Chips‐Bags for Year‐Round Thermal Management

Advanced Functional Materials, EarlyView.
Intelligent radiative cooling devices, adaptable to various weather conditions, have the potential for year‐round energy savings. This study introduces a sustainable dual‐mode film made from polycaprolactone nanofibers and upcycled chip bags for effective thermal management.
Qimeng Song, Stefan Rettinger, Chengzhang Xu, Ulrich Mansfeld, Markus Retsch   +4 more
wiley   +1 more source

Linear energy transfer optimized protons for rectal cancer

International Journal of Particle Therapy
Sonja Dragojevic, Jake Kloeber, Daniel Ebner, Michael Haddock, Krishan Jethwa, Christopher Hallemeier, Kenneth Merrell, Jiasen Ma, Nicholas Remmes, Zhenkun Lou, Robert Mutter, Cameron Callaghan   +11 more
openaire   +1 more source

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Linear energy transfer of proton clusters

Physics in Medicine and Biology, 2011
In conventional particle accelerators, protons are produced in long pulses, in which the average inter-proton distance is in the order of tens of centimeters or more. Therefore, the radiobiology of conventionally accelerated protons is primarily governed by the interaction of a single proton with the cell.
E, Fourkal, I, Velchev, C-M, Ma, J, Fan
openaire   +2 more sources

On the revised concept of linear energy transfer

Radiation and Environmental Biophysics, 1995
The quantities linear energy transfer or restricted linear energy transfer are utilized in calculations that link absorbed dose to the fluence distribution of a radiation field. The computations provide approximations to absorbed dose in terms of the intermediate quantity cema or reduced cema.
J, Chen, A M, Kellerer, H H, Rossi
openaire   +2 more sources

Irradiation of Atactic Polystyrene: Linear Energy Transfer Effects

The Journal of Physical Chemistry B, 2008
Atactic glassy polystyrene (PS) has been irradiated in anoxic conditions by electron and ion beams. The induced modifications were followed, in situ, by Fourier transform infrared spectroscopy (FTIR). In-film modifications and hydrocarbon gas release were followed.
Ferry, Muriel, Ngono-Ravache, Yvette, Picq, Virginie, Balanzat, Emmanuel   +3 more
openaire   +3 more sources

Fluorescent resonant excitation energy transfer in linear polyenes

The Journal of Chemical Physics, 2010
We have studied the dynamics of excitation transfer between two conjugated polyene molecules whose intermolecular separation is comparable to the molecular dimensions. We have employed a correlated electron model that includes both the charge-charge, charge-bond, and bond-bond intermolecular electron repulsion integrals.
Das, Mousumi, Ramasesha, Suryanarayanasastry   +1 more
openaire   +2 more sources

Analytical linear energy transfer calculations for proton therapy

Medical Physics, 2003
As the relative biological effectiveness of protons depends on the linear energy transfer (LET), simple methods for LET calculations are desired for the optimization of proton therapy. This work provides an analytical model for the LET on the central axis of broad proton beams in water, which can also be applied to spread-out Bragg peaks. For realistic
Jan J, Wilkens, Uwe, Oelfke
openaire   +2 more sources