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The U.S. Department of State has released the September 2025 Visa Bulletin, which outlines priority dates for green card applicants.

U.S. Citizenship and Immigration Services (USCIS) has implemented a new way to pay fees using electronic debit from a U.S. bank account.

Special Stains The Histo Pathology Core offers a wide menu of special stains for improving visualization of normal and disease state chemical moieties. Special Stains that the Core performs on a routine schedule include Oil Red-O stain for neutral lipids, Masson's Trichrome stain for collagen/fibrosi…

Whole Transcriptome Samples are run on the Agilent Tapestation 4200 to determine level of degradation thus ensuring only high quality RNA is used (RIN Score 8 or higher). The Qubit fluorometer is used to determine the concentration prior to staring library prep. One microgram of total DNAse treated R…

Plasma Protein Binding Plasma protein binding (PPB) plays an important role in the pharmacokinetics (PK) and pharmacodynamics (PD) of a drug. Free drug levels are closely related to the pharmacological effects of a compound as the principal determinant of tissue distribution, cell entry, receptor int…

Mate-Paired Samples are run on a 1.2% agarose gel and their concentrations quantified by fluorometry. Four µg of genomic DNA are processed using the Nextera Mate Pair Sample Preparation Kit from Illumina. Specifically, the Gel-Plus pathway is followed. Samples are first tagmented then subjected to st…

The Electron Microscopy Core Facility (EMCF) offers TEM of cells & tissues, negative staining, whole-mount SEM, correlative LM and EM, and Immunogold labeling.

Older Publications for the Preclinical Pharmacology Core at UT Southwestern

The Electron Microscopy Core Facility (EMCF) offers TEM of cells & tissues, negative staining, whole-mount SEM, correlative LM and EM, and Immunogold labeling.

In Vitro Metabolic Stability Unless a compound is a pro-drug, good metabolic stability is important for achieving therapeutic concentrations for the sufficient amount of time in vivo. The liver is the most important site of drug metabolism in vivo , although other organs (gastrointestinal tract and l…