Publications Related to "Leah Johnson"


Acoustically responsive particles

Acoustically responsive particles and methods are provided for their use. Methods are provided for making and using tunable, monodisperse acoustically responsive particles and negative contrast acoustic particles, wherein the particles can...


Encapsulation and controlled delivery of strong mineral acids

A polymer-encapsulated mineral acid solution and a method for forming the polymer-encapsulated mineral acid solution. Introducing a strong mineral acid solution to a monomer solution occurs such that a primary emulsion that is a water-in-oil type...


Cementitious fracture fluid and methods of use thereof

The present disclosure relates to cementitious fluids comprising additives configured to form a permeable cement matrix after curing of the cement. The cementitious fluids can comprise a cementitious medium (e.g., a cement slurry) with a...


Core/shell systems for delayed delivery of concentrated mineral acid

Acid stimulation, for both oil and gas wells, greatly supports the industry as a versatile means of enhancing production. Although acids enhance carbonate reservoir permeability to hydrocarbons, the reaction rates of the acid [e. g., hydrochloric...


Rheology of epoxy-thermoplastic blends

Epoxy–thermosets hold value in many industrial applications, owing to their favorable characteristics including excellent adhesion, ease of processing, and thermal and chemical stability. Despite these benefits, the high cross-linking density of...

RTI Press Methods Report

Methods for assessing the adherence to medical devices

The assessment of patient adherence to medication is necessary to distinguish between nonadherence and inferior drug efficacy, which is crucial for avoiding poor clinical outcomes. Adherence measurements pose various challenges, as many methods...