منابع مشابه
Simultaneous Shaping and Shortening of Nanosecond Pulses
In many fields of modem optics specially shaped optical pulses are desired. One of the most precise techniques employs a manipulation of the spatially dispersed optical frequency components ofthe incoming ultrashort laser pulses [1]. As a result, the output pulses are shaped and broadened in time. The aim of the present work is to provide evidences on the possibility [2] for a simultaneous shap...
متن کاملCell electrofusion using nanosecond electric pulses
Electrofusion is an efficient method for fusing cells using short-duration high-voltage electric pulses. However, electrofusion yields are very low when fusion partner cells differ considerably in their size, since the extent of electroporation (consequently membrane fusogenic state) with conventionally used microsecond pulses depends proportionally on the cell radius. We here propose a new and...
متن کاملA Scaling Law for Bioelectric Effects of Nanosecond Pulses
Experimental studies of bioelectric effects caused by single intense, ultrashort (nanosecond and even subnanosecond), square wave pulses indicate that the product of electric field amplitude and pulse duration, i.e., the electrical impulse, can be considered a similarity or scaling factor. An explanation for this scaling law is based on the assumption that any bioelectric effect in this paramet...
متن کاملNanosecond laser processing of Zr41.2Ti13.8Cu12.5Ni10Be22.5 with single pulses
In addition to their attractive mechanical properties, the amorphous structure of bulk metallic glasses (BMGs) leads to favourable conditions for their processing using micro machining operations. At the same time, the generally high hardness and strength of such amorphous metals make short or ultrashort pulsed laser ablation a fabrication technology of interest for generating micro scale featu...
متن کاملNanosecond electric pulses cause mitochondrial membrane permeabilization in Jurkat cells.
Nanosecond, high-voltage electric pulses (nsEP) induce permeabilization of the plasma membrane and the membranes of cell organelles, leading to various responses in cells including cytochrome c release from mitochondria and caspase activation associated with apoptosis. We report here evidence for nsEP-induced permeabilization of mitochondrial membranes in living cells. Using three different met...
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ژورنال
عنوان ژورنال: Review of Scientific Instruments
سال: 1967
ISSN: 0034-6748,1089-7623
DOI: 10.1063/1.1720682