A novel design of an all‐optical D flip‐flop based on 2D photonic crystals
Sign Up to like & getrecommendations! Published in 2024 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.34006
Abstract: In this study, we endeavored to create and simulate a D‐type flip‐flop utilizing two‐dimensional photonic crystals featuring a square lattice. This flip‐flop, composed of just two intersecting waveguides, is both compact and straightforward. Constructed from… read more here.
Keywords: photonic crystals; novel design; flip; optical flip ... See more keywords
Transverse relaxation and flip angle mapping: Evaluation of simultaneous and independent methods using multiple spin echoes
Sign Up to like & getrecommendations! Published in 2017 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.26285
Abstract: To evaluate transverse relaxation (T2) and flip angle maps derived from signal pathway modeling of multiple spin echoes using simultaneous or independent T2 and flip angle fitting. read more here.
Keywords: flip angle; flip; transverse relaxation; multiple spin ... See more keywords
Snapshot whole‐brain T1 relaxometry using steady‐state prepared spiral multislice variable flip angle imaging
Sign Up to like & getrecommendations! Published in 2018 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.26746
Abstract: Variable flip angle (VFA) imaging is widely used for whole‐brain T1 quantification. Because of the requirement to acquire at least two sets of MR images at different flip angles, VFA relaxometry is relatively slow. Here,… read more here.
Keywords: variable flip; flip angle; flip; whole brain ... See more keywords
Optimizing SNR for multi‐metabolite hyperpolarized carbon‐13 MRI using a hybrid flip‐angle scheme
Sign Up to like & getrecommendations! Published in 2020 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.28194
Abstract: To improve the SNR of hyperpolarized carbon‐13 MRI of [1‐13C]pyruvate using a multispectral variable flip angle (msVFA) scheme in which the spectral profile and flip angle vary dynamically with time. read more here.
Keywords: flip angle; flip; carbon mri; hyperpolarized carbon ... See more keywords
Spin-Flip Raman Scattering on Electrons and Holes in Two-Dimensional (PEA)2 PbI4 Perovskites.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202300988
Abstract: The class of Ruddlesden-Popper type (PEA)2 PbI4 perovskites comprises 2D structures whose optical properties are determined by excitons with a large binding energy of about 260 meV. It complements the family of other 2D semiconductor materials… read more here.
Keywords: pbi4 perovskites; spin flip; flip raman; flip ... See more keywords
Solid Swallow Examination During High Resolution Manometry and EGJ-Distensibility Help Identify Esophageal Outflow Obstruction in Non-obstructive Dysphagia
Sign Up to like & getrecommendations! Published in 2021 at "Dysphagia"
DOI: 10.1007/s00455-021-10260-0
Abstract: Single water swallow (SWS) high-resolution manometry (HRM) may miss relevant esophageal motility disorders. Solid test meal (STM) during HRM and lately the functional lumen imaging probe (FLIP) have been shown to be of diagnostic value… read more here.
Keywords: stm; flip; high resolution; non obstructive ... See more keywords
FLIP use in achalasia: comparing POEM and Heller myotomy outcomes: a systematic review and meta-analysis
Sign Up to like & getrecommendations! Published in 2025 at "Surgical Endoscopy"
DOI: 10.1007/s00464-025-11776-4
Abstract: Achalasia is a debilitating esophageal motility disorder characterized by absent peristalsis and incomplete relaxation of the lower esophageal sphincter (LES). Myotomy procedures—primarily peroral endoscopic myotomy (POEM) and laparoscopic Heller myotomy (LHM)—aim to reduce LES pressure… read more here.
Keywords: flip; use; systematic review; review meta ... See more keywords
Dynamic Pressure at Flip Buckets of Chute Spillways: A Numerical Study
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Civil Engineering"
DOI: 10.1007/s40999-021-00670-4
Abstract: This study investigates the dynamic pressure at the flip buckets of chute spillways, which is one of the most important design parameters of these structures. First, the dimensionless parameters affecting pressure were determined by dimensional… read more here.
Keywords: flip buckets; flip; flip bucket; chute spillways ... See more keywords
Effects of Passive Phospholipid Flip-Flop and Asymmetric External Fields on Bilayer Phase Equilibria.
Sign Up to like & getrecommendations! Published in 2018 at "Biophysical journal"
DOI: 10.1016/j.bpj.2018.10.003
Abstract: Compositional asymmetry between the leaflets of bilayer membranes modifies their phase behavior and is thought to influence other important features such as mechanical properties and protein activity. We address here how phase behavior is affected… read more here.
Keywords: phase; flip; passive phospholipid; phospholipid flip ... See more keywords
Diffusion MRI using two-dimensional single-shot radial imaging (2D ss-rDWI) with variable flip angle and random view ordering.
Sign Up to like & getrecommendations! Published in 2019 at "Magnetic resonance imaging"
DOI: 10.1016/j.mri.2019.04.008
Abstract: PURPOSE The main objective of this study is to develop a 2D single-shot radial-DWI (2D ss-rDWI) technique to reduce motion artifacts and geometric distortion in DW images. METHOD A diffusion-preparation module is developed and applied… read more here.
Keywords: flip angle; flip; view; distortion ... See more keywords
Reducing bias in DREAM flip angle mapping in human brain at 7T by multiple preparation flip angles.
Sign Up to like & getrecommendations! Published in 2020 at "Magnetic resonance imaging"
DOI: 10.1016/j.mri.2020.07.002
Abstract: Abstract DREAM (Dual Refocusing Echo Acquisition Mode) is an ultra-fast multi-slice B1+-mapping technique based on the single-shot STEAM sequence. To study systematic errors at high actual flip angles (FA) and low SNR, DREAM B1+ maps… read more here.
Keywords: dream; flip angle; flip; human brain ... See more keywords