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Tucson, AZ, United States

Provided herein are methods of staining biological material for the purpose of detecting, and in some examples also identifying, microorganisms. Methods of Gram staining bacteria using a slow-acting decolorizing formulation, such as one that includes 1,2-propandiol or ethylene glycol, can be used to extend the time of the decolorizing step, and thus permit automation of the Gram staining method. Also provided are compositions and kits for performing automated Gram staining on microscope slides.


Patent
Ventana Medical Systems | Date: 2015-06-02

Embodiments of a system, method, and kit for visualizing a nucleus are disclosed. A tissue sample is pretreated with a protease to permeabilize the nucleus, and then incubated with a nanoparticle/DNA-binding moiety conjugate. The DNA-binding moiety includes at least one DNA-binding molecule. The conjugate binds to DNA within the nucleus, and the nanoparticle is visualized, thereby visualizing the nucleus. Computer and image analysis techniques are used to evaluate nuclear features such as chromosomal distribution, ploidy, shape, size, texture features, and/or contextual features. The method may be used in combination with other multiplexed tests on the tissue sample, including fluorescence in situ hybridization. Kits for performing the method include a protease enzyme composition, a nanoparticle/DNA-binding moiety conjugate, and a reaction buffer.


Patent
Ventana Medical Systems | Date: 2015-06-18

A specimen processing system is capable of processing specimens carried on slides. The specimen processing system can sequentially deliver slides and opposables to specimen processing stations. The specimen processing stations can use the opposables to apply a series of liquids to the specimens. The applied liquid can be moved along the slide using capillary action while the specimen processing stations control the processing temperatures.


Provided herein are methods of staining biological material for the purpose of detecting, and in some examples also identifying, microorganisms. Methods of Gram staining bacteria using a slow-acting decolorizing formulation, such as one that includes 1,2-propandiol or ethylene glycol, can be used to extend the time of the decolorizing step, and thus permit automation of the Gram staining method. Also provided are compositions and kits for performing automated Gram staining on microscope slides.


Patent
Genentech, Spring Bioscience Corporation and Ventana Medical Systems | Date: 2015-05-29

The invention provides programmed death-ligand 1 (PD-L1) antibodies and methods of using the same.

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