Results 101 to 110 of about 277,942 (299)

A bright, pulsed two-mode squeezer

, 2010
We report the realization of a bright ultrafast two-mode squeezer based on type II parametric downconversion (PDC) in periodically poled $\mathrm{KTiOPO_4}$ (PP-KTP) waveguides.
A. B. U’Ren, Andreas Christ, Andreas Eckstein, Christine Silberhorn, G. Kanter, Peter J. Mosley   +5 more
core   +1 more source

Analysing the significance of small conformational changes and low occupancy states in serial crystallographic data

FEBS Open Bio, EarlyView.
This protocol paper outlines methods to establish the success of a time‐resolved serial crystallographic experiment, by means of statistical analysis of timepoint data in reciprocal space and models in real space. We show how to amplify the signal from excited states to visualise structural changes in successful experiments.
Jake Hill, Yelyzaveta Pulnova, Elke De Zitter, Helen M. Ginn, Briony A. Yorke   +4 more
wiley   +1 more source

Parafoveal cone function in choroideremia assessed with adaptive optics optoretinography

Scientific Reports
Choroideremia (CHM) is an X-linked retinal degeneration leading to loss of the photoreceptors, retinal pigment epithelium (RPE), and choroid. Adaptive optics optoretinography is an emerging technique for noninvasive, objective assessment of photoreceptor
Peiluo Xu, Robert F. Cooper, Yu You Jiang, Jessica I. W. Morgan   +3 more
doaj   +1 more source

Is transport in time-dependent random potentials universal ?

, 2012
The growth of the average kinetic energy of classical particles is studied for potentials that are random both in space and time. Such potentials are relevant for recent experiments in optics and in atom optics.
N. V. Kampen, P. Langevin, Shmuel Fishman, Yevgeny Krivolapov   +3 more
core   +1 more source

Long‐term hippocampal alterations and cognitive impairment in a murine model of surgical sepsis

FEBS Open Bio, EarlyView.
Using a mouse model of surgical sepsis, we tested long‐term memory and analyzed the transcriptome of single cells isolated from the hippocampus. Survivor mice showed worse memory, loss of certain brain cell subpopulations, and abnormal immune cell activity—suggesting that post‐sepsis brain alterations may be linked to cognitive deficits.
Dong Seong Cho, Rebecca Schmitt, Aneesha Dasgupta, Alexandra Ducharme, Jason Doles   +4 more
wiley   +1 more source

Cancellation of atmospheric turbulence effects in entangled two-photon beams

, 2013
Turbulent airflow in the atmosphere and the resulting random fluctuations in its refractive index have long been known as a major cause of image deterioration in astronomical imaging and figures among the obstacles for reliable optical communication when
C. H. Monken, J. D. Schmidt, J. W. Strohbehn, L. A. P. Filpi, L. C. Andrews, M. V. da Cunha Pereira   +5 more
core   +1 more source

Optimizing photoactivation of PA‐mCherry for optical pooled CRISPR screens

FEBS Open Bio, EarlyView.
Photoactivatable PA‐mCherry finds widespread use to optically tag individual cells. However, confocal 405 nm UV laser‐scanning (normal scan) is much less efficient than widefield UV illumination, limiting the use of PA‐mCherry on confocal instruments. We remedy this limitation by reporting that rapid and repeated confocal scanning with a low‐intensity,
Sravasti Mukherjee, Giulia Zanetti, Bram van den Broek, Kees Jalink   +3 more
wiley   +1 more source

Correlation Optics [PDF]

Advances in Optical Technologies, 2010
Oleg V. Angelsky, Alexander G. Ushenko, Peter V. Polyanskii, Igor I. Mokhun   +3 more
openaire   +1 more source

Early‐life high‐fat diet exposure increases Achilles tendon stiffness and induces transcriptomic alterations

FEBS Open Bio, EarlyView.
Early‐life exposure to a high‐fat diet altered intact Achilles tendons in rat offspring, making them thinner, stiffer, and molecularly distinct even without injury. These findings suggest that developmental high‐fat diet exposure may impair tendon quality and increase susceptibility to mechanical overload or tendon injury later in life.
Heyong Yin, Ziyang Yuan, Wenli Jiang, Ai Guo   +3 more
wiley   +1 more source

Monitoring water-stressed spring tea canopy temperature using UAV-derived indices and clustering models

Journal of Agricultural Engineering
This study developed a rapid method for monitoring water stress in tea trees using unmanned aerial vehicle (UAV) multispectral imaging combined with machine learning models. The study analyzed tea trees subjected to five different irrigation treatments.
Jiaxing Xie, Yazhong Chen, Shuai Zhao, Jiaxin Wang, Liye Chen, Fan Luo, Zihao Chen, Weixian Sha, Peng Gao, Weixing Wang, Hongshan Liu   +10 more
doaj   +1 more source