Abstract: Sampling or removing interstitial fluid of a subject using an implantable access chamber and associated methods of use. An implantable access chamber can be configured to be inserted into tissue of a subject. The implantable access chamber can comprise a sensor arranged therein, wherein the sensor is configured to sense at least one analyte of interstitial fluid of the subject. The implantable access chamber can include a barrier portion defining a cavity. The barrier portion may be a material permeable to the interstitial fluid and occlusive to cells of the subject.

Abstract: A particle includes a ferromagnetic material, a radiopaque material, and/or an MRI-visible material.

Abstract: A particle includes a ferromagnetic material, a radiopaque material, and/or an MRI-visible material.

Abstract: A particle includes a ferromagnetic material, a radiopaque material, and/or an MRI-visible material.

Abstract: A particle includes a ferromagnetic material, a radiopaque material, and/or an MRI-visible material.

Abstract: A particle includes a ferromagnetic material, a radiopaque material, and/or an MRI-visible material.

Abstract: Polymer insulators and methods of using polymer insulators are disclosed. In some embodiments, a method includes separating a first portion of a subject's tissue from a second portion of the subject's tissue so that there is a space between the first and second portions of tissue. Deionized water, a buffered saline solution, liquid polymers, gels, particles, foams, and/or gases are disposed between the first and second portions of tissue, and the first portion of tissue is exposed to energy to treat the first portion of tissue.

Abstract: Polymer insulators and methods of using polymer insulators are disclosed. In some embodiments, a method includes separating a first portion of a subject's tissue from a second portion of the subject's tissue so that there is a space between the first and second portions of tissue. Deionized water, a buffered saline solution, liquid polymers, gels, particles, foams, and/or gases are disposed between the first and second portions of tissue, and the first portion of tissue is exposed to energy to treat the first portion of tissue.

Abstract: A drug delivery particle including a reservoir region having primarily large pores and a metering region. The particle can be highly spherical.

Abstract: A composition includes a plurality of particles. At least some of the plurality of particles include cross-linked polyvinyl alcohol and have a diameter of about 500 microns or less. The particles have a first average pore size in an interior region, and a second average pore size at a surface region. The first average pore size being greater than the second average pore size. The composition also includes a carrier fluid. The plurality of particles being in the carrier fluid.

Abstract: A particle with a diameter of at most about 3,000 microns has an internal pressure of at least about 1.1 atmospheres at a temperature of less than about 25° C.

Abstract: A composition includes a plurality of particles. At least some of the plurality of particles include cross-linked polyvinyl alcohol and have a diameter of about 500 microns or less. The particles have a first average pore size in an interior region, and a second average pore size at a surface region. The first average pore size being greater than the second average pore size. The composition also includes a carrier fluid. The plurality of particles being in the carrier fluid.

Abstract: Particles and related methods are disclosed. In some embodiments, a method of making particles can include forming a stream of a mixture including first and second materials, exposing the stream to a vibration, and treating the stream to form particles. The vibration can have, for example, a sinusoidal, triangular, and/or sawtooth waveform.

Abstract: Embolization, as well as related particles and methods, are described.

Abstract: Embolic polymer particles are described.

Abstract: A drug delivery particle including a reservoir region having primarily large pores and a metering region. The particle can be highly spherical.

Abstract: Embolization, as well as related particles and methods, are described.

Abstract: Embolization, as well as related particles and methods, are described.

Abstract: A method of treating tissue includes placing substantially spherical polymer particles in the tissue. The particles include an interior region having relatively large pores and a first region substantially surrounding the interior having fewer relatively large pores than the interior region.

Abstract: Polymer insulators and methods of using polymer insulators are disclosed. In some embodiments, a method includes separating a first portion of a subject's tissue from a second portion of the subject's tissue so that there is a space between the first and second portions of tissue. Deionized water, a buffered saline solution, liquid polymers, gels, particles, foams, and/or gases are disposed between the first and second portions of tissue, and the first portion of tissue is exposed to energy to treat the first portion of tissue.