منابع مشابه
Dictyostelium finds new roles to model.
Any established or aspiring model organism must justify itself using two criteria: does the model organism offer experimental advantages not offered by competing systems? And will any discoveries made using the model be of wider relevance? This review addresses these issues for the social amoeba Dictyostelium and highlights some of the organisms more recent applications. These cover a remarkabl...
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A brief indication was provided of demography, fertility, and contraceptive usage and knowledge based on the recent 1992/93 Indian National Family Health Survey. The sample included 88,562 households and 89,777 ever married women aged 13-49 years in 24 states and the National Capital Territory of Delhi. About 38% of household members were aged under 15 years. The sex ratio was 944 females to...
متن کاملGLI1 finds a new role in cancer stem cell biology
» Goel et al. have identified a novel cascade downstream of the VEGF receptor Neuropilin-2 (NRP2) regulating the biology of tumour initiating cells. « with the ability to self-renew and differentiate into the heterogeneous populations of the original tumour (Magee et al, 2012; Sampieri & Fodde, 2012; Zhou et al, 2009). This constitutes the cancer stem cell hypothesis, which is gaining significa...
متن کاملAn old emperor finds new clothing: rejuvenation in our time.
T o cast this sage historical advice into contemporary terms, the eternal human predisposition to believe in flimsy promises of rejuvenation needs to be well understood, or repeated. As an ingenious species, we have made grand advances in overcoming the physical limits of our biology. Yet while technology has overcome our native ponderous, gravityand land-bound locomotion with air, land and sea...
متن کاملA New GLLD Operator for Mass Detection in Digital Mammograms
During the last decade, several works have dealt with computer automatic diagnosis (CAD) of masses in digital mammograms. Generally, the main difficulty remains the detection of masses. This work proposes an efficient methodology for mass detection based on a new local feature extraction. Local binary pattern (LBP) operator and its variants proposed by Ojala are a powerful tool for textures cla...
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ژورنال
عنوان ژورنال: Materials Today
سال: 2004
ISSN: 1369-7021
DOI: 10.1016/s1369-7021(04)00180-4