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How to choose a microbiome standard

Zymo research provides a detailed overview on how to choose a microbiome standard ....

Zymo Research , Application Note , Microbiome Standards , Gut Brain Axis ,

Ion Exchange HPLC Columns for Protein Charge Variant and AAV Separation Analysis  Labmate Online

Thermo Fisher Scientific has introduced a new series of ion exchange columns that offer enhanced reproducibility, sensitivity, and durability to biopharmaceutical research labs. Click to read more. ....

Thermo Fisher Scientific , Thermo Scientific ,

"Repeatability and reproducibility of magnetic resonance imaging-based " by Robba Rai, Michael B. Barton et al.

Purpose: Radiomics of magnetic resonance images (MRIs) in rectal cancer can non-invasively characterize tumor heterogeneity with potential to discover new imaging biomarkers. However, for radiomics to be reliable, the imaging features measured must be stable and reproducible. The aim of this study is to quantify the repeatability and reproducibility of MRI-based radiomic features in rectal cancer. Approach: An MRI radiomics phantom was used to measure the longitudinal repeatability of radiomic features and the impact of post-processing changes related to image resolution and noise. Repeatability measurements in rectal cancers were also quantified in a cohort of 10 patients with test-retest imaging among two observers. Results: We found that many radiomic features, particularly from texture classes, were highly sensitive to changes in image resolution and noise. About 49% of features had coefficient of variations ≤10 % in longitudinal phantom measurements. About 75% of radiomic featur ....

Magnetic Resonance Image , Rectal Cancer ,