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Articles by Gregory David
Computer Science > Machine Learning
Pretrained diffusion models are powerful priors for inverse problems, but posterior sampling under nonlinear, non-differentiable forward models remain hard. We introduce diffusion waltz, an MCMC method using SDEdit-style noising-denoising as a proposal, corrected via Metropolis-Hastings for exact posterior sampling without prior evaluation.
Aging-related transcriptomic signatures associated with recurrence following resection of stage I lung adenocarcinoma
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Abstract Age is an independent prognostic factor in early-stage non-small cell lung cancer, yet age-associated molecular differences and their association with cancer recurrence remain poorly understood. We investigated transcriptomic differences associated with aging and recurrence in stage I lung adenocarcinoma (LUAD). Bulk RNA sequencing was performed on tumor and adjacent normal lung tissue (NAT) from 126 patients with resected stage I LUAD.
By Fares Darawshy, Cigdem Sevim Bayrak, Xianxiao Zhou, Imran Sulaiman, Benjamin H. Kwok, Cecilia P. Chung, Sofía Contreras Roldán, Benjamin G Wu, Matthias Kugler, Yonghua Li, Ray Pillai, Alexander Bain, Marcus D. Goncalves, Chandra M. Goparaju, Daniel Sterman, Anil Vachani, Gregory David, Aristotelis Tsirigos, Bin Zhang, Christian V. Forst, Harvey I. Pass, Leopoldo N Segal, Jun-Chieh J. Tsay, Kendrew Wong, Alena Lukovnikova, Rosemary Schluger, Destiny Collazo, Yaa Kyeremateng, Matthew Blaisdsell, Michelle Fridman
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Nature
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Simultaneous in–situ measurement of electric charge and mass of single optically trapped droplets
?Mathematical formulae have been encoded as MathML and are displayed in this HTML version using MathJax in order to improve their display. Uncheck the box to turn MathJax off. This feature requires Javascript. Click on a formula to zoom. Abstract Electrically charged droplets play a crucial, yet often unquantified, role in numerous natural and laboratory-based processes.
Electric Charge Effect on the Water Mass Transfer across Mixed Aqueous–Organic Droplet Interfaces
Special Issue Published as part of The Journal of Physical Chemistry A special issue “Joseph S. Francisco Festschrift”. 1. Introduction Click to copy section linkSection link copied! Aerosols, dispersions of small liquid or solid particles in air, play a critical role in industrial processes, the radiative budget of the Earth’s atmosphere and human health.
Electric Charge Effect on the Water Mass Transfer across Mixed Aqueous–Organic Droplet Interfaces
To derive the mass accommodation coefficient α M , the experimentally measured MMS amplitude MMS Aexp was compared to the simulated amplitude MMS Asim . (32) The simulation was performed by using our previously developed multilayer heat and mass transfer model (MHM-PA), which describes the photothermal response of single aqueous droplets exposed to modulated IR laser excitation ( Figure 3 ).
Hello I’m Gregory David and this is the first edition of my newsletter my case for Christ and it is…
Gregory david · Follow 6 min read · -- Hello I’m Gregory David and this is the first edition of my newsletter my case for Christ and it is just a more or less a description or story of how after 30 years of atheism I found God and I didn’t find God through through faith I found God through historical fact historical facts I called the big seven seven separate things that have happened throughout history that prove without a shadow of a doubt that God exists and I want to start by saying I am...
How to embrace moonshot thinking (and failure) and innovating the way we speak, with Yoodli co-founder Varun Puri
We often think of a business only in terms of whether it “succeeded” or not. But some of the best ideas, companies, and concepts have all been built from a culture of setting giant “moonshot” goals — and frequent failures along the way. Someone who knows all about the concept of “moonshot thinking” is our latest guest, Varun Puri. Varun is co-founder of Yoodli, an AI-powered speech coach. Varun is on a mission to empower people to improve their lives with more effective speaking.
Linear and Nonlinear Dimensionality-Reduction-Based Surrogate Models for Real-Time Design Space Exploration of Structural Responses
Abstract Design space exploration (DSE) is a tool used to evaluate and compare designs as part of the design selection process. While evaluating every possible design in a design space is infeasible, understanding design behavior and response throughout the design space may be accomplished by evaluating a subset of designs and interpolating between them using surrogate models.
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