Results 241 to 250 of about 7,131,895 (302)
Ionomycin suppresses cancer cell growth by disrupting mitochondrial transcription
FEBS Open Bio, EarlyView.In this study, we identify a new function for the selective Ca2+ ionophore, ionomycin, as an inhibitor of mitochondrial transcription. Both total and nascent RNA analyses revealed that ionomycin treatment reduces the transcription of mitochondrial genes.
Lishen Wang +10 more
wiley +1 more source
FEBS Open Bio, EarlyView.Lactoferrin promotes wound healing by activating MAPK, PI3K/Akt, and extracellular matrix pathways, enhancing fibroblast remodeling, proliferation, and re‐epithelialization. These mechanisms highlight its therapeutic potential in inflammation control, tissue repair, and remodeling.
Morgana Lüdtke Azevedo +4 more
wiley +1 more source
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Proceedings of First Signal Processing Society Workshop on Multimedia Signal Processing, 2002
A new approach for sampling rate conversion of digitally sampled signals is presented. The approach enables conversion from any given source sampling rate to any desired target sampling rate even if the source and destination clocks are not synchronous.
Yoav Medan, Uzi Shvadron
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A new approach for sampling rate conversion of digitally sampled signals is presented. The approach enables conversion from any given source sampling rate to any desired target sampling rate even if the source and destination clocks are not synchronous.
Yoav Medan, Uzi Shvadron
openaire +2 more sources
Adaptive rate conversion filter
ICASSP '86. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005Achieving an appropriate rate conversion is a key factor in digital signal processing. In ordinary applications, a conversion ratio is expressed by a simple fraction. Therefore, the rate conversion can be performed by simple hardware. However, if this conversion ratio is time-variant or if it cannot be expressed by a fraction, very complicated and ...
Tomoki Ohsawa, Junji Namiki
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Vacuum, 1980
The problem of converting leak rates measured for one gas at one pressure to leak rates for another gas at another pressure generally has no unique solution; only limits can be given. The present paper discusses the calculation of worst-case conversion divisors, with special regard to the H 6 /SF 6 case.
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The problem of converting leak rates measured for one gas at one pressure to leak rates for another gas at another pressure generally has no unique solution; only limits can be given. The present paper discusses the calculation of worst-case conversion divisors, with special regard to the H 6 /SF 6 case.
openaire +1 more source
Rates of Return from Hospital Conversions
Health Care Management Review, 2003This article presents information on the rates of return obtained by purchasers of U.S. hospitals since the mid 1980s. The key hypothesis tested in this study was whether for-profit acquirers are able to purchase hospitals at below-market prices. We test the hypothesis by comparing internal rates of return to an estimate of the weighted cost of capital
Frank A, Sloan +2 more
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A flexible sampling-rate conversion method
ICASSP '84. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005A digital resampling method is proposed which allows non-uniform and time-varying resampling. The method is based on interpolated look-up in a large table of filter coefficients. One filter table handles all conversion factors. Formulas are given for determining the size of look-up table needed for a given precision requirement.
Julius O. Smith III, Phil Gossett
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A new converse in rate-distortion theory
2012 46th Annual Conference on Information Sciences and Systems (CISS), 2012This paper shows new finite-blocklength converse bounds applicable to lossy source coding as well as joint source-channel coding, which are tight enough not only to prove the strong converse, but to find the rate-dispersion functions in both setups.
Victoria Kostina, Sergio Verdú
openaire +3 more sources