نتایج جستجو برای: pulsed field gel electrophoresis

تعداد نتایج: 920354  

Journal: :Physical review letters 2013
K Malakit M A Shay P A Cassak D Ruffolo

We present a theory and numerical evidence for the existence of a previously unexplored in-plane electric field in collisionless asymmetric magnetic reconnection. This electric field, dubbed the "Larmor electric field," is associated with finite Larmor radius effects and is distinct from the known Hall electric field. Potentially, it could be an important indicator for the upcoming Magnetospher...

Journal: :Physical review letters 2006
E Bogomolny B Dietz T Friedrich M Miski-Oglu A Richter F Schäfer C Schmit

With a perturbation body technique intensity distributions of the electric field strength in a flat microwave billiard with a barrier inside up to mode numbers as large as about 700 were measured. A method for the reconstruction of the amplitudes and phases of the electric field strength from those intensity distributions has been developed. Recently predicted superscars have been identified ex...

Journal: :Annual review of biophysics and biophysical chemistry 1988
C R Cantor C L Smith M K Mathew

FACTORS THAT AFFECT PFG SEPARATIONS........................................................................ 294 Molecular Properties ............................................... .................................... ............. 294 Pulse Times............................................................................................................... 295 Electrical Field Shape ..............

Journal: :Physical review letters 2010
Mika Prunnila Johanna Meltaus

The authors describe how acoustic phonons can directly tunnel through vacuum and, therefore, transmit energy and conduct heat between bodies that are separated by a vacuum gap. This effect is enabled by introducing a coupling mechanism, such as piezoelectricity, that strongly couples electric field and lattice deformation. The electric field leaks into the vacuum as an evanescent field, which l...

2017
Fenglong Wang Cai Zhou Dunzhu Gesang Changjun Jiang

Herein, we demonstrated an apparent electric field control of magnetization reorientation at room temperature, through a strain-mediated magnetoelectric coupling in ferromagnetic/ferroelectric (FM/FE) multiferroic heterostructure. As the applied electric field increased, the magnetization tended to deviate from the original direction, which was induced by nonlinear strain vs electric-field beha...

Journal: :The Journal of chemical physics 2012
K Merkel M Nagaraj A Kocot A Kohlmeier G H Mehl J K Vij

Biaxiality in the nematic phase for a liquid crystalline tetrapode made up of organo-siloxanes mesogens is investigated using polarized infrared spectroscopy. An ordering of the minor director for the homeotropically aligned sample is found to depend on the amplitude of the in-plane electric field. On increasing the in-plane electric field, the minor director, lying initially along the rubbing ...

Journal: :Neuropsychologia 1998
D Pizzagalli T Koenig M Regard D Lehmann

Covert brain activity related to task-free, spontaneous (i.e. unrequested), emotional evaluation of human face images was analysed in 27-channel averaged event-related potential (ERP) map series recorded from 18 healthy subjects while observing random sequences of face images without further instructions. After recording, subjects self-rated each face image on a scale from "liked" to "disliked"...

Journal: :Clinical chemistry 1999
P H Griffioen L Zwang R H van Schaik H Engel J Lindemans C M Cobbaert

BACKGROUND Increased lipoprotein(a) is a risk factor for atherosclerosis, and its concentration in serum is inversely correlated with the size of the apoliprotein(a) [apo(a)] component. The size of the apo(a) gene is determined mainly by the Kringle IV size polymorphism. We have optimized and characterized pulsed field gel electrophoresis (PFGE) for apo(a) genotyping. METHODS Established PFGE...

Journal: :Methods in molecular biology 2015
Rosa Alduina Annalisa Pisciotta

Pulsed field gel electrophoresis (PFGE) is a quick and reliable procedure to resolve DNA molecules larger than 30 kb by applying an electric field that periodically changes direction. This technique can be used to estimate genome size of a microorganism, to reveal if a genome is circular or linear, to indicate the presence of megaplasmids, and to show if a strain contains only one or more chrom...

Journal: :Journal of clinical microbiology 2000
D Turabelidze M Kotetishvili A Kreger J G Morris A Sulakvelidze

A rapid protocol for subtyping vancomycin-resistant enterococci by pulsed-field gel electrophoresis is reported. The procedure is simple and potentially cost-effective and allows reproducible subtyping of the strains in approximately 1 day.

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