Results 21 to 30 of about 1,857,239 (379)
The aim of the present study was to optimize various cultural conditions for the production of antibacterial metabolites by Streptomyces coelicoflavus BC 01 isolated from mangrove soil, Visakhapatnam, Andhra Pradesh, India.
Kothagorla Venkata RAGHAVA RAO +3 more
doaj +3 more sources
:: An attempt was made to synthesize Ni1-xCuxFe2O4 (x = 0.05, 0.1 and 0.15) nano-crystalline ferrites by sol–gel auto-combustion method and study their micro-structural, magnetic and dielectric properties. From the X-ray diffraction patterns, the lattice
K.Vijaya Babu +4 more
doaj +1 more source
A 530-GHz balanced mixer [PDF]
We report on the design and performance of a 530-GHz balanced SIS mixer, the first balanced mixer in this frequency range. This quasi-optical balanced mixer utilizes a cross-slot antenna on a hyperhemispherical substrate lens with eight superconductor ...
Chattopadhyay, Goutam +4 more
core +1 more source
Spatial characteristics of aerosol physical properties over the northeastern parts of peninsular India [PDF]
Measurements on aerosol spectral optical depths and near surface mass-size distributions made at several locations in the states of Andhra Pradesh, Orissa and Chattisgarh, constituting the northeastern part of the peninsular India during the ISRO-GBP ...
K. Niranjan +5 more
doaj +1 more source
HF Doppler radar observations of sporadic E at an Indian low latitude station, Visakhapatnam [PDF]
5.5 MHz HF Doppler radar observations of Sporadic E over an Indian low latitude station, Visakhapatnam (17.7° N, 83.3° E and Dip 20°) with 10 s resolution showed quasi-periodic variations of the echo strength and Doppler velocity ...
M. S. S. R. K. N. Sarma +2 more
doaj +1 more source
Space VLBI Observations Show $T_b > 10^{12} K$ in the Quasar NRAO 530 [PDF]
We present here space-based VLBI observations with VSOP and a southern hemisphere ground array of the gamma-ray blazar NRAO 530 at 1.6 GHz and 5 GHz. The brightness temperature of the core at 1.6 GHz is $5 \times 10^{11}$ K.
Donald C. Backer +3 more
core +3 more sources
Aggregatibacter actinomycetemcomitans leukotoxin (LtxA) is a major virulence factor that kills leukocytes permitting it’s escape from host immune surveillance. A. actinomycetemcomitans strains can produce high or low levels of toxin.
V. Sampathkumar +3 more
semanticscholar +1 more source
Protonation Equilibria of L-Aspartic, Citric and Succinic Acids in Anionic Micellar Media
The impact of sodium lauryl sulphate (SLS) on the protonation equilibria of L-aspartic acid, citric acid and succinic acid has been studied in various concentrations (0.5-2.5% w/v) of SLS solution maintaining an ionic strength of 0.16 mol dm-3 at 303 K ...
P. Srinivasa Rao +4 more
doaj +1 more source
Two new epipolythiodioxopiperazines, named chetracins E and F (1 and 2), along with the known chetracin C (3), were isolated from the fungus Acrostalagmus luteoalbus HDN13-530. Their structures were elucidated based on the NMR, MS and CD data, as well as
Guihong Yu +9 more
semanticscholar +1 more source
Longitudinal effects of race, ethnicity, and psychosocial disadvantage on systemic inflammation
Objective: Psychosocial factors likely contribute to racial and ethnic inequalities in cardiovascular diseases (CVDs). However, precise social, psychological, and physiological pathways linking race and ethnicity to the development of CVDs are not well ...
Laura B. Zahodne +4 more
doaj +1 more source

