Results 241 to 250 of about 15,315,308 (299)
Spatial biology in cancer epigenetics
Molecular Oncology, EarlyView.Spatial epigenomics combines molecular profiling with tissue architecture to reveal how gene regulation is organized within intact tissues. In cancer, these technologies uncover the mechanisms driving tumor heterogeneity and microenvironmental interactions, opening new opportunities for biomarker discovery and precision medicine.
Eva Crespo‐García, Manel Esteller
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Molecular Oncology, EarlyView.Tumour heterogeneity and clonal evolution of metastatic salivary gland cancer were evaluated in two patients with adenoid carcinoma and one patient with myoepithelial carcinoma. Radiology‐guided autopsy enabled multi‐region sampling (total samples n = 149), followed by whole‐genome sequencing and phylogenetic reconstruction (17 tumour samples, 4–7 per ...
Gerben Lassche +10 more
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The Journal of Supercomputing, 2012
Inability to hide main memory latency has been increasingly limiting the performance of modern processors. The problem is worse in large-scale shared memory systems, where remote memory latencies are hundreds, and soon thousands, of processor cycles. To mitigate this problem, we propose an intelligent memory and cache coherence controller (AMC) that ...
Zhen Fang 0002 +6 more
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Inability to hide main memory latency has been increasingly limiting the performance of modern processors. The problem is worse in large-scale shared memory systems, where remote memory latencies are hundreds, and soon thousands, of processor cycles. To mitigate this problem, we propose an intelligent memory and cache coherence controller (AMC) that ...
Zhen Fang 0002 +6 more
openaire +2 more sources
Active Control of Hypertension
The Physician and Sportsmedicine, 1998Hypertension is common, and even slight elevations in blood pressure can be associated with health risks. Regular aerobic exercise helps prevent hypertension. In patients who already have hypertension, such exercise has been shown to lower systolic and diastolic blood pressure by a mean of 10 mm Hg.
Alfred A. Bove +2 more
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Noise News International, 1993
Active noise control exploits the long wavelengths associated with low frequency sound. It works on the principle of destructive interference between the sound fields generated by the original primary sound source and that due to other secondary sources, acoustic outputs of which can be controlled.
Stephen J. Elliott, Philip Arthur Nelson
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Active noise control exploits the long wavelengths associated with low frequency sound. It works on the principle of destructive interference between the sound fields generated by the original primary sound source and that due to other secondary sources, acoustic outputs of which can be controlled.
Stephen J. Elliott, Philip Arthur Nelson
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Active Rectifiers and Their Control
2018This chapter investigates the control design of active rectifiers and their applications in power electronics-based power system. The harmonic emission and measures are firstly addressed as a basis of evaluating the active rectifier's effectiveness. Furthermore, the importance of new coming standards is highlighted.
Davari, Pooya +2 more
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American Journal of Psychiatry, 2008
With a new technology called optogenetics, it is possible to turn neuronal activity on and off in distinct neuronal populations, using cell-type specific, optically-sensitive, molecular, neuronal activity "switches." These "switches" are microbial, light-sensitive ion conductance-regulating proteins, exemplified by channelrhodopsin-2 (ChR2) and ...
Schneider, M. Bret +3 more
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With a new technology called optogenetics, it is possible to turn neuronal activity on and off in distinct neuronal populations, using cell-type specific, optically-sensitive, molecular, neuronal activity "switches." These "switches" are microbial, light-sensitive ion conductance-regulating proteins, exemplified by channelrhodopsin-2 (ChR2) and ...
Schneider, M. Bret +3 more
openaire +3 more sources
Active Shielding and Control of Noise
SIAM Journal on Applied Mathematics, 2001Summary: We present a mathematical framework for the active control of time-harmonic acoustic disturbances. Unlike many existing methodologies, our approach provides for the exact volumetric cancellation of unwanted noise in a given predetermined region of space while leaving unaltered those components of the total acoustic field that are deemed ...
Josip Loncaric +2 more
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Continuous Bounded Controller for Active Control of Structures
Civil-Comp Proceedings, 2006This paper considers nonlinear controller under bounded capacity of the actuators. The controller is first derived based on bang-bang type controllers. In order to avoid high-speed switching effect, a continuous function is used to replace signum function in bang-bang controller.
Y. Arfiadi, M.N.S. Hadi
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A Modern Control Approach to Active Noise Control
Journal of Dynamic Systems, Measurement, and Control, 1993Active noise control systems currently in use and/or described in the research literature are typically based on adaptive signal processing theory or, equivalently, adaptive feedforward control theory. This paper presents a modern control approach to the problem of active noise cancellation in a three-dimensional space. The controller is designed based
Shoureshi, R. +3 more
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