Results 61 to 70 of about 51,811 (263)

Conversion target optimisation in electron linac-based neutron source

Nukleonika
Monte Carlo calculations were performed to optimise the neutron flux from a spherical tungsten conversion target for a 30 MeV electron accelerator, assuming an average beam current of 120 μA, which requires the conversion target to absorb approximately 4.
Wasilewski Adam, Wronka Sławomir
doaj   +1 more source

Comprehensive Peptide Profiling Reveals the Influence of Streptococcus Thermophilus, Lactobacillus Delbrueckii Subsp. bulgaricus, and Endogenous Milk Proteases on the Hydrolysis of Milk Proteins During Early‐Stage Lactic Acid Fermentation

ChemFoodChem, EarlyView.
Untargeted peptide profiling investigates how S. thermophilus, Lb. bulgaricus, and endogenous milk enzymes impact proteolysis during early‐stage milk fermentation. ≥ 3000 identified peptides show the strongest influence of LB on the peptide profile and number of bioactive peptides. Shorter peptides are mostly formed by LB and hydrolyzed by ST.
Eva Beck, Lena Riedinger, Sevim Dalabasmaz, Joachim Stützer, Luisa Bähr, Rohtraud Pichner, Monika Pischetsrieder   +6 more
wiley   +1 more source

THEORETICAL AND COMPUTATIONAL ESTIMATION OF THE STOPPING POWERFOR ELECTRONS AND PROTONS FOR A PAGAT DOSIMETER INFUSED WITH GOLDNANOPARTICLES IN THE ENERGY RANGE OF THERAPEUTIC APPLICATIONS

Anales (Asociación Física Argentina)
The present work focuses on the behavior of the stopping power of a polymer gel dosimetry system, known as PAGAT, infused with high atomic number nanoparticles formed by gold, with a 1 % mass concentration.
C. Salinas Domján, F. Mattea, M. Romero, I. Scarinci, M. Valente   +4 more
doaj   +1 more source

Fluorogenic Sydnones for Bioorthogonal Labeling of DNA

Chemistry – A European Journal, EarlyView.
Conjugates of sydnones with cyanine‐styryl dyes combine bioorthogonal reactivity with fluorogenicity. The reactivity with bicyclo[6.1.0]non‐4‐yne (BCN)‐modified DNA showed second‐order rate constants of up to k2 = 2,300 M−1s−1 and fluorescence turn‐on by one magnitude of order.
Kerstin Müller, Hans‐Achim Wagenknecht   +1 more
wiley   +1 more source

E.M. and Hadronic Shower Simulation with FLUKA [PDF]

, 2005
A description of the main features of e.m. and hadronic shower simulation models used in the FLUKA code is summarized and some recent applications are discussed.
/INFN, Milan /SLAC /CERN /Siegen U. /Zurich, ETH, Ranft, J., Battistoni, G., Fasso, A., Rubbia, A., Sala, P.R., Ferrari, A.   +6 more
core  

FLUKA: A multi-particle transport code (program version 2005) [PDF]

, 2005
This report describes the 2005 version of the Fluka particle transport code. The first part introduces the basic notions, describes the modular structure of the system, and contains an installation and beginner’s guide.
Sala, Paola R, Fassò, A, Ferrari, A, Ranft, Johannes   +3 more
core   +1 more source

Simulation-based estimation of dosimetric quantities for different phantom compositions and the effectiveness of aluminum shielding against galactic cosmic rays

Radiation Protection and Environment
Astronauts on space missions are exposed to high radiation levels, especially from galactic cosmic rays (GCRs), which consist of particles with high energy such as protons, helium ions, and heavy ions.
Rohit Yadav, Sandipan Dawn, A. K. Bakshi, B. K. Sapra   +3 more
doaj   +1 more source

Charge Resonance Interaction in Aromatic Trimer Radical Cations Revealed by IR Spectroscopy: The Case of Pyrrole Homo‐ and Heterotrimers

Chemistry – A European Journal, EarlyView.
We demonstrate the power of high‐resolution infrared spectroscopy and complementary quantum chemical calculations to unravel the evolution of the aromatic charge resonance interaction (CR) in cold trimer radical cations for the prototypical pyrrole clusters.
Dashjargal Arildii, Otto Dopfer
wiley   +1 more source

Substituent‐Dependent SERS Kinetics of Citrate‐Stabilized Gold Nanoparticles: Balancing Hotspot Formation and Colloidal Flocculation

Chemistry – A European Journal, EarlyView.
Reporter chemistry controls the operational window of liquid‐phase SERS. Para‐substituted benzenethiols induce distinct AuNPs colloidal regimes, ranging from delayed but stable hotspot formation to rapid flocculation‐dominated signal decay. The balance between SERS‐active‐state formation and colloidal loss defines whether a reporter provides reliable ...
Irene Calderon Gonzalez, Miguel A. Correa Duarte, Ramon A. Alvarez‐Puebla   +2 more
wiley   +1 more source

Electron source model responsible for low power beam losses of 1 W/m along the entire PolFEL superconducting electron linear accelerator

Nukleonika
The National Centre for Nuclear Research is planning to build a facility based on a free-electron laser (FEL) photon source. It is the first center to build this kind of facility in Eastern Europe.
Wasilewski Adam
doaj   +1 more source