Results 31 to 40 of about 2,663,278 (338)

Mechanism of retrotransfer in conjugation: prior transfer of the conjugative plasmid is required [PDF]

open access: yesJournal of Bacteriology, 1996
Bacterial conjugation normally involves the unidirectional transfer of DNA from donor to recipient. Occasionally, conjugation results in the transfer of DNA from recipient to donor, a phenomenon known as retrotransfer. Two distinct models have been generally considered for the mechanism of retrotransfer.
E A, Sia, D M, Kuehner, D H, Figurski
openaire   +2 more sources

Gradient conjugate priors and multi-layer neural networks [PDF]

open access: yesArtificial Intelligence, 2020
The paper deals with learning probability distributions of observed data by artificial neural networks. We suggest a so-called gradient conjugate prior (GCP) update appropriate for neural networks, which is a modification of the classical Bayesian update for conjugate priors. We establish a connection between the gradient conjugate prior update and the
Pavel Gurevich, Hannes Stuke
openaire   +3 more sources

Estimating program coverage in the treatment of severe acute malnutrition: a comparative analysis of the validity and operational feasibility of two methods

open access: yesPopulation Health Metrics, 2018
Background Many health programs can assess coverage using standardized cluster survey methods, but estimating the coverage of nutrition programs presents a special challenge due to low disease prevalence. Used since 2012, the Semi-Quantitative Evaluation
Sheila Isanaka   +3 more
doaj   +1 more source

Bayesian Analysis of Occupational Exposure Data with Conjugate Priors [PDF]

open access: yesAnnals of Work Exposures and Health, 2017
Bayesian analysis is a flexible method that can yield insight into occupational exposures as the methods quantify plausible values for exposure parameters of interest, such as the mean, variance, and specific percentiles of the exposure distribution. We describe three Bayesian analysis methods for the analysis of normally distributed data (e.g.
Rachael M, Jones, Igor, Burstyn
openaire   +2 more sources

Variational Bayesian Sparse Signal Recovery With LSM Prior

open access: yesIEEE Access, 2017
This paper presents a new sparse signal recovery algorithm using variational Bayesian inference based on the Laplace approximation. The sparse signal is modeled as the Laplacian scale mixture (LSM) prior.
Shuanghui Zhang   +3 more
doaj   +1 more source

The empirical Bayes estimators of the parameter of the Poisson distribution with a conjugate gamma prior under Stein's loss function

open access: yesJournal of Statistical Computation and Simulation, 2019
For the hierarchical Poisson and gamma model, we calculate the Bayes posterior estimator of the parameter of the Poisson distribution under Stein's loss function which penalizes gross overestimation and gross underestimation equally and the corresponding
Ying-Ying Zhang   +3 more
semanticscholar   +1 more source

Commercially Supplied Amine-Modified siRNAs May Require Ultrafiltration prior to Conjugation with Amine-Reactive Compounds

open access: yesJournal of Nucleic Acids, 2011
Conjugation of siRNA to macromolecules such as serum albumin has multiple potential benefits, including enhanced extravasation via albumin-mediated transcytosis across endothelial cells and reduced renal clearance.
Shannen Lau   +4 more
doaj   +1 more source

Accessible precisions for estimating two conjugate parameters using Gaussian probes

open access: yesPhysical Review Research, 2020
We analyze the precision limits for a simultaneous estimation of a pair of conjugate parameters in a displacement channel using Gaussian probes. Having a set of squeezed states as an initial resource, we compute the Holevo Cramér-Rao bound to investigate
Syed M. Assad   +7 more
doaj   +1 more source

13-valent Pneumococcal Conjugate Vaccine and Haemophilus Influenzae-Tetanus Toxoid Conjugate Vaccine in Patient with Systemic Juvenile Idiopathic Arthritis Receiving Tocilizumab: Clinical Case

open access: yesВопросы современной педиатрии, 2019
Background. Vaccination coverage in patients with rheumatic diseases remains extremely low. Moreover, infections are the leading cause of death in such patients.
Ekaterina I. Alekseeva   +11 more
doaj   +1 more source

Evidence of Extended Thermo-Stability of Typhoid Polysaccharide Conjugate Vaccines

open access: yesMicroorganisms, 2021
Typhoid conjugate vaccines (TCV) are effective in preventing enteric fever caused by Salmonella enterica serovar Typhi in Southeast Asia and Africa. To facilitate vaccination with the Vi capsular polysaccharide–tetanus toxoid conjugate vaccine, Typbar ...
Fang Gao   +9 more
doaj   +1 more source

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