Abstract: Described herein are low sodium formulations. In some embodiments, the low sodium formulations can contain an effective concentration of sodium and an effective concentration of calcium. The low sodium formulations can be provided as combination kit that can include, in some embodiments, a low sodium formulation and a defibrillation device. Also described herein are methods of administering the low sodium formulation to a subject in need thereof and performing cardiac resuscitation and/or defibrillation on the subject in need thereof.

Abstract: Electrical or magnetic fields oscillating at specific frequencies can modulate functions of ion channels in excitable cells. For example, an alternating current (AC) at a frequency that resonates with a particular type of ion channel can be applied to modulate conductance of the channel.

Abstract: The present invention provides methods and compositions for modulating x-ray attenuation, where the x-ray attenuation compound can comprise a molecule having at least two conformational states, a first k-edge atom attached to the molecule at a first position, and a second k-edge atom attached to the molecule at a second position, where the molecule changes from a first conformational state to a second conformational state in response to an external stimulus. Additionally, a first interatom distance between the first k-edge atom and the second k-edge atom in the first conformational state can be within a first harmonic error of 0 to about 0.2, and a second interatom distance between the first k-edge atom and the second k-edge atom in the second conformational state can be within a second harmonic error of about 0.8 to 1.0.

Abstract: The present invention provides methods and compositions for modulating x-ray attenuation, where the x-ray attenuation compound can comprise a molecule having at least two conformational states, a first k-edge atom attached to the molecule at a first position, and a second k-edge atom attached to the molecule at a second position, where the molecule changes from a first conformational state to a second conformational state in response to an external stimulus. Additionally, a first interatom distance between the first k-edge atom and the second k-edge atom in the first conformational state can be within a first harmonic error of 0 to about 0.2, and a second interatom distance between the first k-edge atom and the second k-edge atom in the second conformational state can be within a second harmonic error of about 0.8 to 1.0.