An overview of LLNL high-energy short-pulse technology for advanced radiography of laser fusion experiments

…, A Iyer, L Jones, I Jovanovic, A Komashko… - Nuclear …, 2004 - iopscience.iop.org
The technical challenges and motivations for high-energy, short-pulse generation with the
National Ignition Facility (NIF) and possibly other large-scale Nd: glass lasers are reviewed. …

A molecular network of the aging human brain provides insights into the pathology and cognitive decline of Alzheimer's disease

…, J Xu, M Taga, HU Klein, E Patrick, V Komashko… - Nature …, 2018 - nature.com
There is a need for new therapeutic targets with which to prevent Alzheimer’s disease (AD),
a major contributor to aging-related cognitive decline. Here we report the construction and …

Suz12 binds to silenced regions of the genome in a cell-type-specific manner

SL Squazzo, H O'Geen, VM Komashko… - Genome …, 2006 - genome.cshlp.org
Suz12 is a component of the Polycomb group complexes 2, 3, and 4 (PRC 2/3/4). These
complexes are critical for proper embryonic development, but very few target genes have been …

5-azacytidine treatment reorganizes genomic histone modification patterns

VM Komashko, PJ Farnham - Epigenetics, 2010 - Taylor & Francis
Methylation of DNA in combination with histone modifications establishes an epigenetic
code that ensures the proper control of gene expression. Although DNA methyltransferases …

Supercurrent transport in epitaxial thin films in a dc magnetic field

V Pan, Y Cherpak, V Komashko, S Pozigun… - Physical Review B, 2006 - APS
Magnetic field and angle dependences of the critical current density J c (H, θ) in epitaxial c-oriented
Y Ba 2 Cu 3 O 7− δ thin films are measured by the four-probe transport current …

[HTML][HTML] Identifying robust communities and multi-community nodes by combining top-down and bottom-up approaches to clustering

…, T Grabowski, T Madhyastha, V Komashko - Scientific reports, 2015 - nature.com
Biological functions are carried out by groups of interacting molecules, cells or tissues,
known as communities. Membership in these communities may overlap when biological …

Multilayer dielectric gratings for petawatt-class laser systems

…, WA Molander, AM Komashko… - … -Induced Damage in …, 2004 - spiedigitallibrary.org
Existing Petawatt class lasers today based on Nd:glass architectures operating at nominally
500 J, 0.5 ps use meter-scale aperture, gold-overcoated master photoresist gratings to …

Effects of nonionizing prepulses in high-intensity laser-solid interactions

KB Wharton, CD Boley, AM Komashko, AM Rubenchik… - Physical Review E, 2001 - APS
We present theoretical and experimental evidence that nonionizing prepulses with intensities
as low as 10 8–10 9 W/cm 2 can substantially alter high intensity laser-solid interactions. …

Alkali-vapor lasers

J Zweiback, A Komashko… - High Energy/Average …, 2010 - spiedigitallibrary.org
We report on the results from several of our alkali laser systems. We show highly efficient
performance from an alexandrite-pumped rubidium laser. Using a laser diode stack as a pump …

Ultra-short pulse laser interaction with transparent dielectrics

MD Feit, AM Komashko, AM Rubenchik - Applied Physics A, 2004 - Springer
The interaction of intense, ultra-short laser pulses (USLP) with a surface of transparent
dielectrics is considered. The combination of multi-photon absorption and impact ionization …