Excitation. Medical search. Frequent questions

The second excitation and emission wavelength combination for this filter set enables blue excitation in a narrow band of 478 to 495 nanometers, and detection of the resulting green fluorescence in the 510 to 555 nanometer range. (microscopyu.com)
200 ps pulse width, equipped with a monochromator allowing for excitation wavelength scanning from 430 to 800 nm. (lu.se)

Individual Filter Spectra (excitation, emission, and polychromatic mirror) can be added or removed from the Filter Set Spectral Profiles graph by selecting or deselecting the appropriate check boxes beneath the graph. (microscopyu.com)
Figure 3: Comparison of calculated and measured excitation spectra for the different helimagnets and shapes. (nature.com)
4,5 In order to obtain a complete spectral fingerprint via excitation-emission spectroscopy, scans at multiple excitation wavelengths over the emission spectra are required. (edinst.com)
A red - shift of emission spectra with time and a gradual decay of the anisotropy indicate excitation transfer to the lower energy sites in the bulk films and in the isolated polymer chains in solution. (lu.se)

By increasing the excitation/inhibition balance, MC-GC LTP enhances GC output at the associative MC-GC recurrent circuit and may contribute to dentate-dependent forms of learning and epilepsy. (nih.gov)
Deepening the role of excitation/inhibition balance in human iPSCs-derived neuronal networks coupled to MEAs during long-term development. (bvsalud.org)

2. Dierolf, V. & Sandmann, C. Combined excitation emission spectroscopy of defects for site-selective probing of ferroelectric domain inversion in lithium niobate. (edinst.com)

Finally, the origin of the excitation frequency-dependent photocurrents lies in the electronic structure of the chromophore excited states, as shown by the results of theoretical calculations, laser flash photolysis, and steady-state spectrophotometric measurements. (osti.gov)
Measurements such as excitation-emission maps are therefore much faster with a CCD compared to standard photomultiplier tube (PMT) detectors. (edinst.com)
However, the advantage we seek is elimination of the requirement to occupy each target site physically for both source and response measurements by using a single, remote, excitation point and numerous noncontact response measurements. (cdc.gov)
The method is based on advanced measurements of luminescence and luminescence excitation polarization allows for monitoring of energy transfer in individual nanoantenna. (lu.se)

Jie Ma, a postdoc who is the lead author of the paper, adds that "the single particle excitation is the continu-ous change of the electron occupation, but the plasmon is the oscillation of the electron occupations around the Fermi energy ['ground' level of the electron reservoir]. (scienceblog.com)
The project will develop a new formalism for calculating electron impact vibrational excitation cross sections within the framework of the UK Molecular R-matrix codes. (findaphd.com)
A central goal is to obtain new insights into fundamental concepts such as electron screening, scattering, tunneling, coherence and excitation in low dimensional compound semiconductor and metal (nano) structures. (lu.se)

inproceedings{ICRISET2017:Vibration_Control_of_Building, author = {Narayan B. Makwana and Snehal V. Mevada and Vishal B. Patel}, title = {Vibration Control of Building Subjected to Harmonic Excitation}, booktitle = {ICRISET2017. (easychair.org)

Included in the Nikon dual band excitation fluorescence filter portfolio are three carefully balanced combinations that each contain two bandpass emission regions capable of selectively isolating fluorescence emission through narrow bands of the blue, green, yellow, orange, and red spectral regions. (microscopyu.com)
The Nikon DAPI-FITC dual band filter combination incorporates an excitation filter having one bandpass region for violet excitation (400 to 418 nanometers) coupled to a bandpass emission (barrier) filter transmitting blue fluorescence (450 to 465 nanometers) in one of its signal bands. (microscopyu.com)

Neuronal excitation is also influenced by the amounts of neurotransmitter receptors and signaling molecules retained at particular synaptic sites. (frontiersin.org)
Since presently available chemical space datasets provide excitation energies and corresponding oscillator strengths for only a few valence transitions, here, we present a new dataset -- \bigqm -- with 12,880 molecules containing up to 7 CONF atoms and report ground state and excited state properties. (arxiv.org)
The vibrational excitation of molecules by electrons in diffuse plasma, such as those found in cometary coma or used in industrial etching, is a key but poorly understood process. (findaphd.com)
We find the excitation scheme used in current rotational three-wave mixing experiments of chiral molecules with $C_1$ symmetry to be close to optimal and discuss prospects for ro-vibrational three-wave mixing experiments of axially chiral molecules. (arxiv.org)
Camacho, Täuber, Scheblykin, " Fluorescence Anisotropy Reloaded-Emerging Polarization Microscopy Methods for Assessing Chromophores' Organization and Excitation Energy Transfer in Single Molecules, Particles, Films, and Beyond " Adv. Mat . (lu.se)

One consequence of strong quadrupolar effects is the possible coupling of magnetic and lattice degrees of freedom, and it has previously been shown that a hybrid magnetoelastic mode with both magnetic and phononic character is formed in Tb2Ti2O7 by the interaction of a crystal field excitation with a transverse-acoustic phonon. (cea.fr)

Originally proposed by John Rubenstein and Michael Merzenich in 2003 1 , the E/I hypothesis postulates that an imbalance in excitation and inhibition disrupts the activity of neural circuits in individuals with the disorder. (sfari.org)

Other fluorescent probes with similar spectral characteristics are also suitable, singly or in pairs, for use with the Nikon dual excitation fluorescence filter combinations. (microscopyu.com)
The Nikon B-2E/C fluorescence filter set is designed as a high-performance combination with a medium-width excitation bandpass (30 nanometers) in order to provide a high signal-to-noise ratio in conjunction with a slightly lowered emission bandpass region compared to the B-1E and B-2E sets. (microscopyu.com)
The B-2E/C filter combination is specifically designed with a 30-nanometer excitation bandpass suitable for imaging specimens labeled with fluorescein isothiocyanate ( FITC ), and a number of other popular fluorophores used in multiple-labeling fluorescence techniques. (microscopyu.com)
TThe project aims to develop the two-photon excitation (TPX) method for the measurement of fluorescence from antibody labels on the surface of micro- and nano-sized carrier particles, The proposed two-photon excitation (TPX) method which is based on fluorescence caused in micro-volumes by two-photon excitation combineshe most advanced technology in micro-fluidistics, micro-mechanics, laser scanning microscopy and flow cytometry applications. (europa.eu)

Here, we report all-electrical spectroscopy of the collective spin excitations in the metallic, semiconducting and insulating chiral magnets MnSi, Fe 1− x Co x Si and Cu 2 OSeO 3 , respectively, using broadband coplanar waveguides. (nature.com)
Topological excitations in superconductors and magnets have been studied since the middle of the last century. (kth.se)

In this paper an attempt has been made to find the aperture field distribution in a rectangular waveguide for non-sinusoidal, periodic excitations using Multiple Cavity Modeling Technique. (scirp.org)
S. Das and K. Marandi, "Aperture Field Estimation in Waveguide for Non-Sinusoidal Periodic Excitation," Journal of Electromagnetic Analysis and Applications , Vol. 4 No. 3, 2012, pp. 129-134. (scirp.org)
Here, we address excitation in GNRs with periodic structural wiggles, the so-called chevron GNRs. (rsc.org)

With the recent advances in radioactive ion beam technology, Coulomb excitation at safe energies becomes an important experimental tool in nuclear-structure physics. (jyu.fi)

The instrument incorporates an Xe excitation lamp, double excitation monochromator, and single emission monochromator with a PMT and CCD detector. (edinst.com)

But in these applications, single particle excitation rather than the collective plasmon excitation is needed to transfer electrons one at a time to an electrode and induce desired chemical reactions. (scienceblog.com)

Excitation-emission spectroscopy becomes increasingly useful in the study of photo-luminescent materials. (edinst.com)
In addition, this enables the acquisition of highly resolved excitation emission maps in a rapid manner compared to traditional PMT detectors used in spectroscopy, as will be outlined in this application note. (edinst.com)

The dependence of the resulting mean neutron multiplicity on the fragment mass, ν¯(A), including the dependence on the initial excitation energy of the fissioning compound nucleus, agrees reasonably well with observations, as demonstrated here for 235 U(n, f), and the sawtooth appearance of ν¯(A) can be understood from shell-structure effects in the level densities. (lu.se)
This is supported by the charge recombination dependence on excitation photon energy and acceptor concentration. (lu.se)

In solid-state and soft matter physics, topological excitations can largely determine the thermodynamic and electromagnetic properties of materials, while in high energy physics they were theorized as particles. (kth.se)

Figure 1: Spin textures of cubic chiral helimagnets and their collective excitations. (nature.com)

O. Turkina, D. Nabok, A Gulans, C. Cocchi , and C. Draxl, Electronic and optical excitations in the pyridine/pyridine/ZnO(10-10) hybrid interface , Adv. Theory Simul. (hu-berlin.de)

Objective.The purpose of this study is to investigate whether and how the balance between excitation and inhibition ('E/I balance') influences the spontaneous development of human -derived neuronal networksin vitro. (bvsalud.org)

Within the waveguide the fundamental frequency will give rise to a dominant mode excitation whereas the higher order modes will excite dominant as higher order modes. (scirp.org)
If the higher harmonics are assumed suppressed then the waveguide is subjected only to a dominant mode excitation. (scirp.org)
The data suggest X-ray heating as the dominant excitation mechanism of [Fe II] emission in the core, while fast shocks are a possible alternative. (harvard.edu)

We have described both the plasmon and the single particle excitation quantum mechanically, and studied nanoparticles because they are often used in actual applications. (scienceblog.com)

The simulation results show that the excitation control system based on ADRC is faster and has better anti-interference ability and has a better restraining effect on synchronous generator oscillation. (hindawi.com)
To restrain synchronous generator oscillation, a generator excitation system in the " X + AVR (automatic voltage regulator)" mode, where "X" is the control method, is used on land. (hindawi.com)
In connection with the synchronous generator oscillation of a ship power system, an excitation system in the "AVR + PSS (power system stabilizer)" mode is mainly used [ 14 , 15 ]. (hindawi.com)
Using this method, we found that if a hot carrier excitation is in tune with the plasmon oscillation, then 90% of the plasmon energy can be con-verted to the single particle energy. (scienceblog.com)

Luminescence decay of strongly luminescent photostable objects (like semiconductor nanowires) can be measured with 2 ps time resolution under excitation by 200 fs pulses from Ti-Sapphire laser. (lu.se)

Positive answer to the Babaev-Faddeev-Niemi hypothesis (2002) on the existence of knot excitations in the superconducting state by demonstrating stable solutions in a model that takes into account the Andreev-Bashkin effect. (kth.se)
On May 15, 2018, behavioral, cognitive and computational neuroscientists convened at a workshop organized by SFARI on the so-called 'excitation/inhibition (E/I) hypothesis' of autism spectrum disorders (ASD). (sfari.org)

While studies have provided evidence for either increased excitation or reduced inhibition in ASD, the mechanisms driving those changes remain poorly understood. (sfari.org)

Cross-excitation artifact is a type of MRI artifact and refers to the loss of signal within a slice due to pre-excitation from RF pulse meant for an adjacent slice. (radiopaedia.org)

this means that during slice selection there is some degree of excitation of the adjacent slices as well. (radiopaedia.org)
Very fast excitation transfer between adjacent chains on a time scale of 100 fs is observed in films with dense packing. (lu.se)

In the present analysis these time domain excitation functions have been represented in terms of a truncated Fourier series consisting of the fundamental frequency and its higher harmonics. (scirp.org)
To solve synchronous generator oscillations in marine power systems which cannot be effectively suppressed, according to the nonlinearity and time variability of the ship power system, a method of synchronous generator excitation control for a ship based on active disturbance rejection control (ADRC) is proposed. (hindawi.com)
Now, for the first time, the interplay between the plasmon mode and the single particle excitation within a small metal cluster has been simulated directly. (scienceblog.com)
A CCD Spectrometer (Charge Coupled Device) can significantly reduce the acquisition time of excitation-emission maps, particularly those with narrow emission linewidths. (edinst.com)
The acquisition time of such excitation-emission maps (EEM) can be significantly reduced by using Charge Coupled Device (CCD) detectors. (edinst.com)
That result is explained by a fact that the primary excited state is localized on a single molecule, while it is considered delocalized in conjugated polymer systems at early time after excitation. (lu.se)

This work gave a start to development of the "multi-band excitation" method of speech coding, that was patented in 1997 (now expired) by founders of DVSI as "Multi-Band Excitation" (MBE). (wikipedia.org)
All consequent improvements known as Improved Multi-Band Excitation (IMBE), Advanced Multiband Excitation (AMBE), AMBE+ and AMBE+2 are based on this MBE method. (wikipedia.org)
The mathematical model of building subjected to harmonic excitation is obtained and its solution is obtained by state space method. (easychair.org)

In the following Figures 2-4, excitation-emission maps acquired with CCD detectors are shown. (edinst.com)

Multi-Band Excitation ( MBE ) is a series of proprietary speech coding standards developed by Digital Voice Systems, Inc. (DVSI). (wikipedia.org)
In particular, for systems where the GR timescale is comparable to the secular Newtonian timescales, the three-body interactions give rise to a resonant-like eccentricity excitation. (harvard.edu)

K. W. Lau, C. Cocchi , and C. Draxl, Electronic and optical excitations of two-dimensional ZrS 2 and HfS 2 and their heterostructure , Phys. (hu-berlin.de)
M. Guerrini , C. Cocchi , A. Calzolari, D. Varsano, and S. Corni, Interplay between Intra- and Inter-Molecular Charge Transfer in the Optical Excitations of J-aggregates J. Phys. (hu-berlin.de)

Excitability of individual neurons dictates the overall excitation in specific brain circuits. (frontiersin.org)

Excitation sources included direct mechanical impacts to remote portions of the slab and a remotely located industrial demolition hammer. (cdc.gov)

Excitation-emission 3D map of Nd:YAG acquired with an iDus DU491-A 1.7 camera cooled down to -70 °C. Measurement conditions: Δλ ex =0.50 nm, step exc =2 nm, λ em =1100 nm, Δλ em =0.5 nm, step em =0.118 nm, t int =0.5 s, t acq =10 min. (edinst.com)
Is applicable to the measurement of mobility, accelerance or dynamic compliance using impact excitation. (iso.org)

Our results suggest that contralesional excitation impedes local and global circuit reconnection through suppression of cortical activity and several neuroplasticity-related genes after stroke, and highlight the importance of site selection for therapeutic intervention after focal ischemia. (lu.se)

This paper includes the study of behavior of a single degree of freedom system with viscous dampers subjected to harmonic excitation. (easychair.org)
After the plasmon is excited by sunlight, it induces the single particle excitation 'hot carriers. (scienceblog.com)
You need to consider how the plasmon can give its energy to single particle excitations. (scienceblog.com)
The study was published in a Nature Communications paper titled 'Interplay Between Plasmon and Single-particle Excitations in a Metal Nanocluster. (scienceblog.com)
However, that movement can be caused both by a plasmon and by single particle excitations. (scienceblog.com)

It implies that either too much excitation or too much inhibition is unhealthy ( Figure 1A ). (biorxiv.org)

Under different working conditions, three methods are automatic voltage regulator (AVR), automatic voltage regulator with power system stabilizer (PSS), and ADRC methods, which are applied to the two-generator parallel-running excitation system of a ship in simulations. (hindawi.com)

Coherent Excitation and Control of Plasmons on Gold Using Two-Dimensional Transition Metal Dichalcogenides , ACS Photonics 2021, 8, 6, 1607-1615. (lu.se)

The relevant spectral regions corresponding to these fluorochrome pairs range from violet excitation and blue emission to green excitation and red emission. (microscopyu.com)

This interactive tutorial explores how the variations in the excitation and emission filter spectral profiles, as well as those of the polychromatic mirrors, affect signal levels, spectral crossover, overall filter performance, and image contrast in combinations designed for dual excitation of multiply labeled fluorophores in the ultraviolet and blue or blue and green regions. (microscopyu.com)
In order to operate the tutorial, use the Filter Set slider to transition between the three filter combinations available for dual band excitation. (microscopyu.com)
Among the Nikon blue-excitation filter sets, those in the E -series, in general, produce images with a much higher signal-to-noise ratio and darker background regions than do combinations with longpass emission filters. (microscopyu.com)

We will also discuss how PSD-95 may maintain a balance between excitation and inhibition in the brain and how alterations in this balance may contribute to neuropsychiatric disorders. (frontiersin.org)
In this manner the neurons strike a "balance" that allows for neurons to become activated and convey discrete synaptic signals, while preventing excessive excitation. (frontiersin.org)

We study the nature of ground state excitations of the 2D S=1/2 Heisenberg model on percolating clusters. (aps.org)

We also examine the dispersion relations of the exciton branches that develop from the crystal field excitation in the same temperature regime that the coupled mode appears, and find three quasidispersionless branches where four are expected, each with a distinctive structure factor indicating that they are nonetheless cooperative excitations. (cea.fr)

Topological excitations are subjects of intensive studies in physics and mathematics. (kth.se)
This year's institute, lasting through summer quarter, is " Excitations: Energy Studies in the Arts and Humanities . (washington.edu)

We find that the triplets are localized predominantly in a subset of the regions of localized monomers, supporting the notion that the lowest excitation is the singlet-triplet excitation of a small number of interacting effective moments. (aps.org)

Anatomy51

Organisms12

Diseases1

Chemicals and Drugs67

Analytical, Diagnostic and Therapeutic Techniques and Equipment55

Psychiatry and Psychology3

Phenomena and Processes53

Disciplines and Occupations13

Technology, Industry, Agriculture3

Information Science9

Health Care5

Wavelength2

Spectra4

Inhibition balance2

Probing1

Measurements4

Electron3

Vibration1

Bandpass emission2

Molecules5

Magnetic1

Imbalance1

Fluorescence4

Magnets2

Periodic3

Energies1

Incorporates1

Electrons1

Spectroscopy2

Dependence2

Electromagnetic1

Collective1

Theory1

Spontaneous1

Dominant3

Quantum1

Oscillation4

Decay1

Hypothesis2

Mechanisms1

Pulse1

Adjacent2

Time6

Method3

Detectors1

Systems2

Optical2

Circuits1

Mechanical1

Measurement2

Results1

Single5

Figure1

Methods1

Control1

Range1

Filter3

Balance2

Ground state1

Mode1

Studies2

Small1