An implantable apparatus for physiological measurement in a host organism has an implantable sample chamber having a measurement port and live cells that are treated to fluoresce in response to light having an excitation wavelength. An optical sensor housing implanted within the host organism has a window to convey excitation light output and receive fluorescent light; a coupling that couples the measurement port of the sample chamber to the window; an optical chamber partitioned into an excitation sub-chamber and a detection sub-chamber, wherein both sub-chambers are in optical communication with the window; an excitation source energizable to direct excitation light through the excitation sub-chamber and to the window; and a detector in the path of fluorescent light received from the live cells. A signal processing apparatus is energizable to acquire and process a detector signal and to transmit a processed signal that is indicative of fluorescent light energy.

A remote sensing device is described. The remote sensing device includes an enclosure that houses a smartphone processor, a smartphone memory, a sensor module, a separate microcontroller, and a wireless communication module. The remote sensing device includes a smartphone operating system having a kernel that includes a plurality of device drivers. The smartphone processor, smartphone memory, sensor module and wireless communications module are managed by the smartphone operating system. The separate microcontroller includes a power management module. A battery is electrically coupled to the microcontroller. The battery powers the smartphone processor, the smartphone memory, and the sensor module. The wireless communication module is communicatively coupled to a wide area network. The wireless communication module receives an over-the-air (OTA) update for a device driver associated with the sensor module.

Disclosed herein is a novel system and method for the remote characterization of visible emissions, and more particularly, to compact, optical sensors which can remotely measure the opacity of a visible emission plume from a stationary source. Assessing visible emissions is important for compliance with environmental regulations and to support the regulatory reporting needs of Federal and State inspectors. By reducing the power consumption of the laser source and the signal processing, a compact, handheld or portable, battery-operable opacity measurement system can be realized while allowing eye-safe operation. The system and method may also be applied to non-stationary sources.

A remote illumination and detection method, node, and system is described. The remote illumination and detection method generates a detection message when motion is detected by a detector. The detector includes a wireless communications module that wirelessly transmits the detection message to a remote sensing device. The remote sensing device includes a camera having a field of view and wirelessly communicates with the detector. The remote sensing device then proceeds to generate an illumination instruction to illuminate an area within the field of view, when the remote sensing device receives the detection message. The remote sensing device transmits the illumination instruction to an illuminator. The illuminator wirelessly communicates with the remote sensing device. The method then illuminates an area near the illuminator, when motion is detected by the detector and the illumination instruction is received by the illuminator.

An apparatus for measuring a characteristic of a sample using a centrifuge and optical components is disclosed. The centrifuge may be a standard benchtop centrifuge. The optical components may be sized and dimensioned to fit, along with the sample, inside the centrifuge.

The present disclosure, among other things, describes a reader system comprising a casing, an optical system, en electromechanical motor system, and one or more digital processors.

An ultrasonic probe includes, a transducer transmitting and receiving ultrasonic waves, and converting ultrasonic signals into voltage signals and vice versa, a first circuit configured to transmit pulse voltage signals to the transducer and receive the voltage signals from the transducer, a second circuit configured to convert the voltage signals received from the first circuit into digital values from analog values, a battery unit configured to supply electric power to the first circuit and the second circuit, and a substrate being provided with the transducer, the first circuit and the second circuit, the first circuit being disposed on a first surface of the substrate, and the second circuit being disposed on a second surface opposite to the first surface of the substrate.

A system and method for performing UV LED-based absorption detection for capillary liquid chromatography for detecting and quantifying compounds in a liquid, wherein a simplified system eliminates the need for a beam splitter and a reference cell by using a stable UV source, and power requirements are reduced, resulting in a portable and substantially smaller system with relatively low detection limits.

A spectral imaging system configured to obtain spectral measurements in a plurality of spectral regions is described herein. The spectral imaging system comprises at least one optical detecting unit having a spectral response corresponding to a plurality of absorption peaks of a target chemical species. In an embodiment, the optical detecting unit may comprise an optical detector array, and one or more optical filters configured to selectively pass light in a spectral range, wherein a convolution of the responsivity of the optical detector array and the transmission spectrum of the one or more optical filters has a first peak in mid-wave infrared spectral region between 3-4 microns corresponding to a first absorption peak of methane and a second peak in a long-wave infrared spectral region between 6-8 microns corresponding to a second absorption peak of methane.

A remote sensing device, system and method is described. The remote sensing device includes an enclosure, a smartphone, and a separate microcontroller. The smartphone is disposed within the enclosure. The separate microcontroller is communicatively coupled to the smartphone. The separate microcontroller includes a power management module, a microcontroller processor, and a wireless sensor network. The power management module is electrically coupled to an auxiliary battery that powers the smartphone. The separate microcontroller is communicatively coupled to smartphone and the separate microcontroller controls the power management module. The wireless sensor network includes a wireless communication interface that is different from the smartphone wireless communication interface. The remote sensing system includes a remote sensing component, a network module such as a web application server, and a database.