Abstract: A method of stimulating ventilatory and/or respiratory drive in a subject in need thereof includes administering to the subject a therapeutically effective amount of a composition comprising an glutathione alkyl ester, adduct thereof, or pharmaceutically acceptable salt, tautomer, or solvate thereof.

Abstract: A method of stimulating ventilatory and/or respiratory drive in a subject in need thereof includes administering to the subject a therapeutically effective amount of a composition comprising an glutathione alkyl ester, adduct thereof, or pharmaceutically acceptable salt, tautomer, or solvate thereof.

Abstract: The present disclosure relates to a simple, fast, and low cost method for 3D microvascular imaging, termed “scatter labeled imaging of microvasculature in excised tissue” (SLIME). The method can include perfusing a contrast agent through vasculature of a tissue sample. The contrast agent can include colloids and a dispersant. After the contrast agent is perfused through the vasculature, the vasculature of the tissue sample can be treated with a molecule that cross links with at least a portion of the dispersant to form a sticky, non-Newtonian polymer that prevents leakage of the contrast agent out of the vasculature of the tissue sample. The tissue sample can then be immersed in a solution comprising a clearing agent and subsequently imaged.

Abstract: A method of stimulating ventilatory and/or respiratory drive in a subject in need thereof includes administering to the subject a therapeutically effective amount of a composition comprising an glutathione alkyl ester, adduct thereof, or pharmaceutically acceptable salt, tautomer, or solvate thereof.

Abstract: The present disclosure relates to modulating neural activity within brainstem circuitry to evoke a certain bodily function (e.g., cardiorespiratory response) in a patient. A controller can configure a light signal (such as an infrared light signal) to deliver an amount of radiant exposure to a specific portion of the brainstem for a time. The specific portion of the brainstem can include brainstem circuitry that is the control center for the certain bodily function. The configured light signal can be delivered to the specific portion of the brainstem by an optrode for the time. During application, the light signal can deliver the amount of radiant exposure to the specific portion of the brainstem to evoke the certain bodily function.

Abstract: The present disclosure relates to a simple, fast, and low cost method for 3D microvascular imaging, termed “scatter labeled imaging of microvasculature in excised tissue” (SLIME). The method can include perfusing a contrast agent through vasculature of a tissue sample. The contrast agent can include colloids and a dispersant. After the contrast agent is perfused through the vasculature, the vasculature of the tissue sample can be treated with a molecule that cross links with at least a portion of the dispersant to form a sticky, non-Newtonian polymer that prevents leakage of the contrast agent out of the vasculature of the tissue sample. The tissue sample can then be immersed in a solution comprising a clearing agent and subsequently imaged.

Abstract: The present disclosure relates to a simple, fast, and low cost method for 3D microvascular imaging, termed “scatter labeled imaging of microvasculature in excised tissue” (SLIME). The method can include perfusing a contrast agent through vasculature of a tissue sample with a contrast perfusing unit (22). The contrast agent can include colloids and a dispersant. After the contrast agent is perfused through the vasculature, the vasculature of the tissue sample can be treated with a cross-linking agent delivery unit (24) providing a molecule that cross links with at least a portion of the dispersant to form a sticky, non-Newtonian polymer that prevents leakage of the contrast agent out of the vasculature of the tissue sample. The tissue sample can then be immersed in a solution comprising a clearing agent with an optical clearing unit (26) and subsequently imaged.

Abstract: The present disclosure relates to using a light signal (e.g., an infrared (IR) light signal) for long-term modulation of peripheral nerve activity. Light generated with parameters (including intensity and time) can be applied to a peripheral nerve to achieve a target biological response. The target biological response can extend for a period after the light is applied. For example, when the light is applied for short period of time (e.g., 20 seconds), the target biological response can extend for a long period of time (e.g., over one hour).

Abstract: The present disclosure relates to an optical clearing method called lipid-preserving index matching for prolonged imaging depth (LIMPID). The optical clearing method can include simply immersing a sample in an optical clearing solution before imaging (e.g., with microscopy or optical coherence tomography). The optical clearing solution can include water; an iodine-containing non-ionic radiocontrast agent; and urea.

Abstract: Small-diameter axons can be targeted for neuromodulation. A nerve modulating therapy can be configured to target the small diameter axons in a target area of a subject specifically. The nerve modulating therapy can be applied to the target area to modulate conduction in one or more small diameter axons within the target area to a greater degree than in large diameter axons within the target area. The nerve modulating therapy can be any therapy that affects an outer surface of the one or more small diameter axons (like a heat signal, a pressure wave, an optogenetic manipulation, and/or a pharmaceutical dosage).

Abstract: The present disclosure relates to modulating neural activity within brainstem circuitry to evoke a certain bodily function (e.g., cardiorespiratory response) in a patient. A controller can configure a light signal (such as an infrared light signal) to deliver an amount of radiant exposure to a specific portion of the brainstem for a time. The specific portion of the brainstem can include brainstem circuitry that is the control center for the certain bodily function. The configured light signal can be delivered to the specific portion of the brainstem by an optrode for the time. During application, the light signal can deliver the amount of radiant exposure to the specific portion of the brainstem to evoke the certain bodily function.

Abstract: The present disclosure relates to a system for using a light signal (e.g., an infrared (IR) light signal) for long-term modulation of peripheral nerve activity. Light generated with parameters (including intensity and time) can be applied to a peripheral nerve to achieve a target biological response. The target biological response can extend for a period after the light is applied. For example, when the light is applied for short period of time (e.g., 20 seconds), the target biological response can extend for a long period of time (e.g., over one hour).

Abstract: The present disclosure relates to a simple, fast, and low cost method for 3D microvascular imaging, termed “scatter labeled imaging of microvasculature in excised tissue” (SLIME). The method can include perfusing a contrast agent through vasculature of a tissue sample with a contrast perfusing unit (22). The contrast agent can include colloids and a dispersant. After the contrast agent is perfused through the vasculature, the vasculature of the tissue sample can be treated with a cross-linking agent delivery unit (24) providing a molecule that cross links with at least a portion of the dispersant to form a sticky, non-Newtonian polymer that prevents leakage of the contrast agent out of the vasculature of the tissue sample. The tissue sample can then be immersed in a solution comprising a clearing agent with an optical clearing unit (26) and subsequently imaged.

Abstract: Systems and method are provided for evaluating a biomechanical property of tissue. A shear wave generator is configured to induce a shear wave in the tissue. An optical coherence tomography (OCT) imager is configured to capture a B-scan frame of the tissue. An image processing component is configured to determine a frequency of the shear wave in the tissue from the B-scan frame of the tissue at each of a plurality of locations within the B-scan. A parameter calculation component is configured to calculate a value for the biomechanical property for a plural subset of the plurality of locations within the B-scan frame of the tissue from the determined frequency of the shear wave at each of the plural subset of the plurality of locations.

Abstract: Systems and method are provided for evaluating a biomechanical property of tissue. A shear wave generator is configured to induce a shear wave in the tissue. An optical coherence tomography (OCT) imager is configured to capture a B-scan frame of the tissue. An image processing component is configured to determine a frequency of the shear wave in the tissue from the B-scan frame of the tissue at each of a plurality of locations within the B-scan. A parameter calculation component is configured to calculate a value for the biomechanical property for a plural subset of the plurality of locations within the B-scan frame of the tissue from the determined frequency of the shear wave at each of the plural subset of the plurality of locations.

Abstract: In one aspect of the present invention, a method of transient and selective suppression of neural activities of a target of interest, such as one or more nerves, includes selectively applying at least one light to the target of interest at selected locations with predetermined radiant exposures to create a localized and selective inhibitory response therein. The localized and selective inhibitory response comprises a local temperature change.

Abstract: Retractable wing-tip mounted vanes are actuated from the normal cockpit controls of an airplane to provide both roll control and direct lift control. When not required, these devices retract into wing fairings. Simple to manufacture and operate, these controls permit reduced manufacturing costs through much simpler wing construction. The vanes consist of suitably constructed plates that slide over one another and which form an end plate to the wing when fully deployed. Asymmetric deployment produces an out-of-balance moment in roll; symmetric deployment induces direct lift by increasing wing lift on both wing panels.

Abstract: A system for controlling the speed-torque characteristic of a direct current motor which advantageously can be utilized to drive a surface wind machine for winding web material under controlled tension. The system generates a desired speed signal which is compared with a signal representing the actual motor speed to control a gating circuit and rectifier bridge for applying a selectively variable magnitude direct current voltage to the motor armature to cause the motor to run at the desired point on the speed-torque characteristic curve. The system generates a maximum no load speed adjustment signal which is compared with a speed adjustment signal to generate the desired speed signal. The motor armature current is sensed to generate a scaled armature current signal representing a decrease in the no load speed due to the load imposed on the motor. The system also generates a tension adjustment signal which defines a rate of decrease from the no load speed value to establish the speed-torque characteristic.