Abstract: Oral care compositions including dicarboxylic acid and a fluoride ion source. A pH of the oral care composition can be from about 4.5 to about 7. The oral care composition can provide an enhanced anticaries benefit, a stain prevention benefit, and/or a stain removal benefit. The oral care composition can be a dentifrice composition that results in a calcium loss in dentin and/or enamel of less than 50 ppm.

Abstract: A method for fixing a biological sample includes delivering energy through a biological sample that has been removed from a subject, while fixing the biological sample. A change in speed of the energy traveling through the biological sample is evaluated to monitor the progress of the fixation. A system for performing the method can include a transmitter that outputs the energy and a receiver configured to detect the transmitted energy. A computing device can evaluate the speed of the energy based on signals from the receiver.

Abstract: In some embodiments, a display system is provided. The display system comprises a plurality of light pipes and a plurality of light sources configured to emit light into the light pipes. The display system also comprises a spatial light modulator configured to modulate light received from the light pipes to form images. The display system may also comprise one or more waveguides configured to receive modulated light from the spatial light modulator and to relay that light to a viewer.

Abstract: Oral care light devices, kits, and methods are provided. An oral care light device may include a housing, a light source positioned in the housing, the light source being capable of emitting electromagnetic radiation having an average light intensity of about 150 mW/cm2 or greater. The oral care light device may include a battery and may be portable. A kit may include an oral care light device and a whitening composition. A method of whitening teeth using an oral care light device may include applying a whitening composition including a bleaching agent to a tooth, maintaining the whitening composition on the tooth for a first time period without activating the light source, and, after the first time period, activating the light source to direct the electromagnetic radiation toward the tooth for a second time period.

Abstract: Oral care light devices, kits, and methods are provided. A method of whitening teeth using a portable, self-contained light device including a light source, may include applying a whitening composition to a tooth, where the whitening composition includes a peroxide active having a concentration of less than 7%, by weight of the whitening composition, maintaining the whitening composition on the tooth for a first time period without activating the light source, and, after the first time period, directing electromagnetic radiation from the light source toward the tooth for a second time period, where the electromagnetic radiation is provided at an average light intensity of about 150 mW/cm2 or greater. A kit may include an oral care light device and a whitening composition.

Abstract: Oral care light devices, kits, and methods are provided. An oral care light device may include a housing including a mouthpiece, where the mouthpiece includes a lens having an outer surface, a first arm, a second arm, and a device arch width in a range of from about 41 mm to about 53 mm at a predetermined depth in a range of from about 15 mm to about 22 mm. The oral care device may also include a light source positioned in the housing, the light source being capable of emitting electromagnetic radiation having an average light intensity of about 150 mW/cm2 or greater. A kit may include an oral care light device and a whitening composition.

Abstract: A kit for the application of hydrophobic compositions to hydrophilic surfaces with an applicator device and a container for the hydrophobic composition. An applicator device for the application of an emulsion composition to wetted teeth. An applicator tip with at least one external ridge, a plurality of internal ridges, and a plurality of internal channels between the plurality of internal ridges. A container with a ribbon orifice for the dispensing of the emulsion composition.

Abstract: An oral care product comprises a package comprising a container and an applicator tip attached to the container. The applicator tip has a dispensing orifice in fluid communication with the container. The oral care product further comprises an oral care composition contained within the container of the package, wherein the oral care composition comprises an oral care active.

Abstract: A method of treating teeth includes applying a semisolid oral dispersion to at least one tooth. The semisolid oral dispersion includes a hydrophilic discontinuous phase comprising bleaching agent particles and a hydrophobic continuous phase comprising petrolatum. The method further includes maintaining the semisolid oral dispersion on the at least one tooth for a first period of time, and, after the first period of time, directing a light radiation toward the at least one tooth for a second period of time, the first period of time having a duration greater than 50% of a total duration of the first period of time and the second period of time.

Abstract: Semisolid oral dispersions for whitening teeth comprising a hydrophilic discontinuous phase and a hydrophobic continuous phase. The semisolid oral dispersions include a hydrophilic discontinuous phase comprising bleaching agent particles. The semisolid oral dispersions also include a hydrophobic continuous phase comprising petrolatum. The h bleaching agent particles can include peroxide compounds and/or hydrogen peroxide adducts. The bleaching agent particle can have a solubility in water of at least about 20 parts, by weight of the particles, in about 100 parts, by weight, of water.

Abstract: An applicator for the application of an oral care composition to an oral cavity. The applicator may include an applicator tip and an applicator handle detachably or non-detachably connected to a proximal end of the applicator tip. The applicator tip may include an external ridge, a plurality of internal ridges, and a plurality of internal channels between the plurality of internal ridges.

Abstract: An oral care product comprises a package comprising a container and an applicator tip attached to the container. The applicator tip comprises a material having a Shore A hardness of from about 15 to about 80 and has a dispensing orifice in fluid communication with the container. The dispensing orifice has a minimum diameter of at least about 0.5 mm, preferably at least about 1 mm. The oral care product further comprises an oral care composition contained within the container of the package, wherein the oral care composition comprises an oral care active and has a cone penetration value of from about 10 to about 500, preferably from about 100 to about 300.

Abstract: At least some aspects of the present disclosure provide for a system. In some examples, the system includes a pulse width modulation (PWM) generator configured to generate a PWM signal. The PWM generator generates the PWM signal by generating a first signal having a first dithering profile and a first frequency bandwidth, generating a second signal having a second dithering profile and a second frequency bandwidth greater than the first frequency bandwidth, modulating the second signal with the first signal to generate a dual random spread spectrum signal, and generating the pulse width modulation signal according to the dual random spread spectrum signal.

Abstract: In various embodiments of an analytics system, a spike-in including synthetic constructs of nucleic acid is added to soil samples for processing. The analytics system determines sequence reads classified to a microbe in the soil sample. The analytics system determines one or more measures of soil texture of the soil sample, for example, indicating percentages of sand, silt, and clay. The analytics system determines a measure of the microbe as a function of at least the classified sequence reads, the one or more measures of soil texture, and a mass of the spike-in. The analytics system can transmit the measure of the microbe to a client device for display on a user interface. A field where the soil sample was obtained can be treated according to the measure of the microbe.

Abstract: 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.

Abstract: A robotic orchard spraying system having autonomous delivery vehicles (ADV), each autonomously delivering an amount of a premixed solution over a non-overlapping path verified by a forward-looking sensor, video, or both. Also, a mobile control center, configured to wirelessly inform the autonomous delivery vehicle of the path within the areas and to confirm that the autonomous delivery vehicle is following the path within the area. Additionally, a mapper vehicle generates the path within the area, the mapper vehicle being configured to communicate information about the path and the area to the command center. The mapper vehicle senses the path with a forward-looking LiDAR sensor, and senses the area with a GPS sensor. Moreover, a nurse truck has a reservoir of premixed solution for replenishing a tank of the ADV. ADVs and the control center communicate over a radio network, which may be a mesh network, a cellular network, or both.

Abstract: A remote detection method, node, and system is described. 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 illumination and detection method performs preliminary filtering of captured image data to determine images/frames of interest with a computer vision module on board a processor in the node. The images of interest are then transmitted to a cloud computing component via a wireless or cellular network for detailed analysis to determine the presence or absence of motion or an object in each image of interest. The cloud computing component may employ machine learning computations that time and energy intensive, such as convolutional neural networks.

Abstract: Multi-phase oral care compositions for whitening teeth, including hydrophilic bleaching agent particles in a hydrophobic phase with a melting point of from about 40° C. to about 80° C. The hydrophilic bleaching agent particles can include peroxide compounds and/or hydrogen peroxide adducts. The hydrophilic bleaching agent particle can have a solubility in water of at least about 20 parts, by weight of the particles, in about 100 parts, by weight, of water.

Abstract: An oscillator circuit includes a comparator having first and second inputs, the first input configured to be coupled to a reference voltage. The oscillator circuit also includes a capacitor and a first current source. The capacitor is coupled between the second input and ground. The first current source is coupled between a supply voltage terminal and the capacitor. The first current source is configured to generate a current to the capacitor that is proportional to absolute temperature.

Abstract: A method for whitening teeth is provided where the method includes contacting at least one tooth surface with a semisolid oral dispersion. The semisolid oral dispersion may include solid hydrophilic active agent particles, where at least about 20 parts, by weight, of the solid hydrophilic active agent particles are soluble in about 100 parts, by weight, of water or the solid hydrophilic active agent particles swell by at least about 50% upon contact with water, and at least about 60%, by weight of the semisolid oral dispersion, of a semisolid hydrophobic phase.