An image forming apparatus includes circuitry. The circuitry extracts a colorimetric area from an image formation area based on designation according to an operation by a user, the image formation area in which an image as a print target is to be formed. The circuitry calculates a color difference between a first page and a second page subsequent to the first page based on a colorimetric value in the extracted colorimetric area and to determine whether to continue printing according to the calculated color difference.

A system and method is provided for color matching two or more electronic displays of a display system. The method includes: obtaining first and second spectral response readings for first and second electronic displays from spectral response device(s); determining first and second spectral response curves based on the first and second spectral response readings; determining first and second spectral power distributions based on the first and second spectral response readings; determining a first device-to-independent color mapping based on the first spectral response curve and the first spectral power distribution; determining a second device-to-independent color mapping based on the second spectral response curve and the second spectral power distribution; and configuring a display system having the first electronic display and the second electronic display to match colors being displayed based on using the first device-to-independent color mapping and the second device-to-independent color mapping.

The present disclosure is drawn to loop-mediated isothermal amplification (LAMP) reaction assemblies including a substantially hygroscopic agent free LAMP reagent mixture in combination with a solid-phase reaction medium. The present disclosure also includes systems for a chromatic LAMP analysis including a substantially non-reactive solid phase reaction medium, and a non-interfering reagent mixture. The present disclosure also includes solid phase LAMP reaction mediums comprising a substrate, an adhesive layer disposed on the substrate, a reaction layer disposed on the adhesive layer, and a spreading layer disposed on the reaction layer. The present disclosure also includes methods of testing for a presence of a target nucleotide sequence including providing a biological sample, and dispensing the sample into a test environment having a solid phase reaction medium in combination with a LAMP reagent mixture and a pH sensitive dye.

The present disclosure is drawn to loop-mediated isothermal amplification (LAMP) reaction assemblies including a substantially hygroscopic agent free LAMP reagent mixture in combination with a solid-phase reaction medium. The present disclosure also includes systems for a chromatic LAMP analysis including a substantially non-reactive solid phase reaction medium, and a non-interfering reagent mixture. The present disclosure also includes solid phase LAMP reaction mediums comprising a substrate, an adhesive layer disposed on the substrate, a reaction layer disposed on the adhesive layer, and a spreading layer disposed on the reaction layer. The present disclosure also includes methods of testing for a presence of a target nucleotide sequence including providing a biological sample, and dispensing the sample into a test environment having a solid phase reaction medium in combination with a LAMP reagent mixture and a pH sensitive dye.

A surface characteristics evaluation method for evaluating a surface characteristic of a painted surface including a glittering material, including: a multi-angle condition image acquisition step S101 for acquiring a multi-angle condition image including multi-angle conditions in a continuous manner by performing an image-capturing process to capture how a reflection condition of the painted surface changes when rotating an illumination device 2 emitting light onto the painted surface, the image-capturing process being performed by the line scan camera 4 while a sample P having the painted surface is moved in a certain direction; an in-plane chromaticity distribution acquisition step S102 for acquiring an in-plane chromaticity distribution of the painted surface from the multi-angle condition image acquired; and a surface characteristics evaluation step S107 for calculating particle characteristics S as surface characteristics evaluation values of the multi-angle conditions, on the basis of the in-plane chromaticity distribution acquired.

An image forming apparatus includes: a hardware processor that forms an image on a conveyed recording medium; and a determining device that determines whether a type of the recording medium is a first recording medium or a second recording medium, wherein if the type of the recording medium is determined to be the first recording medium, the hardware processor forms a normal image on the recording medium, whereas if the type of the recording medium is determined to be the second recording medium, the hardware processor forms a test image on the recording medium.

Certain examples relate to emulating a spectral measurement device in a color measurement apparatus. In these examples, a primary spectral measurement device measures a first spectral characteristic of a rendered color output. A predictive model, parametrized by parameter values, is applied to the measurement from the primary spectral measurement device to determine a predicted measurement of a second spectral characteristic of the rendered color output which would be measured by an ancillary spectral measurement device. Parameter values are generated by training the predictive model with data from the primary spectral measurement device and the ancillary spectral measurement device.

The present disclosure is drawn to loop-mediated isothermal amplification (LAMP) reaction assemblies including a substantially hygroscopic agent free LAMP reagent mixture in combination with a solid-phase reaction medium. The present disclosure also includes systems for a chromatic LAMP analysis including a substantially non-reactive solid phase reaction medium, and a non-interfering reagent mixture. The present disclosure also includes solid phase LAMP reaction mediums comprising a substrate, an adhesive layer disposed on the substrate, a reaction layer disposed on the adhesive layer, and a spreading layer disposed on the reaction layer. The present disclosure also includes methods of testing for a presence of a target nucleotide sequence including providing a biological sample, and dispensing the sample into a test environment having a solid phase reaction medium in combination with a LAMP reagent mixture and a pH sensitive dye.

A liquid biological sample test cartridge is disclosed. The cartridge can include a tray. The cartridge can also include a chemical reaction pad supported by the tray. The cartridge can further include a chemical reaction pad cover disposed over the chemical reaction pad and coupled to the tray. The chemical reaction pad cover can have a sample opening to facilitate depositing a liquid biological sample at a predetermined location on the chemical reaction pad. In addition, the cartridge can include an outer cover operable to at least partially form an enclosure about the chemical reaction pad.

The present disclosure is drawn to methods of preparing a saliva sample for loop-mediated isothermal amplification (LAMP) detection of a pathogen target. In some embodiments, such methods can include providing an amount of saliva from a test subject, and diluting the saliva in water to a degree that reduces a buffering capacity of the saliva while maintaining a sufficient concentration to allow for detection of the pathogen target.