Zobrazeno 1 - 10
of 57
pro vyhledávání: '"B. J. Feldman"'
Publikováno v:
Clinical Chemistry. 41:557-563
Lead concentrations in blood samples typical of unexposed individuals are determined by using square-wave anodic stripping voltammetry at a disposable 287-element (15-35-microns diameter) carbon microarray electrode. Analysis of a series of low Pb-co
Publikováno v:
Molecular and Cellular Biology. 14:8071-8077
DNA photolyase binds to and repairs cyclobutane pyrimidine dimers induced by UV radiation. Here we demonstrate that in the yeast Saccharomyces cerevisiae, photolyase also binds to DNA damaged by the anticancer drugs cis-diamminedichloroplatinum (cis-
Publikováno v:
Applied optics. 27(24)
We have pumped Nd(3+):YAlO(3) lasers with a 40-stripe, 500-mW, 807-nm diode laser. Maximum output powers at 1.34 microm of 26 mW multimode and 20 mW in a single transverse mode were achieved. The several longitudinal modes had a total spectral width
Publikováno v:
Optics letters. 7(3)
We report efficient, diffraction-limited, phase conjugation of an XeF (3511-A) laser beam using stimulated Brillouin scattering. Approximately 70% of the 1-GHz bandwidth-locked portion of an injection-locked XeF laser output is phase conjugated by fo
Publikováno v:
Optics letters. 6(2)
We report the first known demonstration of UV phase conjugation. By use of a 15-psec, 2660-A pulse, 0.1% conjugate reflectivities were obtained through degenerate four-wave mixing in 1-mm samples of CS(2) mixtures. Although pure CS(2) did not exhibit
Publikováno v:
Optics letters. 5(3)
Exact solutions for the impulse responses of the phase-conjugate backward wave and of the transmitted forward wave in a nonlinear four-wave mixing medium with a cw undepleted pump are derived from an earlier analysis of active contraflow systems by B
Publikováno v:
Optics letters. 3(6)
Measurements of absorption of pulsed CO(2) laser radiation by SF(6) at 140 K are reported. Four laser frequencies within the nu(3) absorption band were used, and the laser fluence was varied between 10(-5) and 1.0 J/cm(2). Frequency and fluence trend
Publikováno v:
Optics letters. 3(3)
We present the first reported observation in the infrared of nonlinear phase-conjugated reflection. This was achieved via degenerate four-wave mixing in polycrystalline germanium. The observation was facilitated by taking advantage of the counterprop
Autor:
Robert A. Fisher, B. J. Feldman
Publikováno v:
Optics letters. 1(5)
In a manner analogous to optical free-induction decay, we have generated ultrashort (
Publikováno v:
Blood. 96(5)
PBX1 is a proto-oncogene that plays important roles in pattern formation during development. It was discovered as a fusion with the E2A gene after chromosomal translocations in a subset of acute leukemias. The resulting E2a-Pbx1 chimeric proteins dis