Abstract: According to the present invention, a simple structure can be used to achieve reliable liquid delivery with no residual air, and simple attachment/detachment of a culture vessel, and thus a closed-system cell culture device exhibiting high reliability can be constructed at low cost. In the present invention, a liquid is supplied or discharged while a culture vessel is in an inclined state. The culture vessel is provided with two flow paths, namely an intake flow path and a discharge flow path, which connect a culture chamber and a connection member. Points where the flow paths join with the culture chamber are respectively configured as an intake port and a discharge port. The discharge port is provided in the position nearest to the axis of inclination of the culture vessel. The intake port is provided in a plane projected from a vertical plane including the aforementioned axis of inclination.

Abstract: According to the present invention, a problem of closed systems, namely minimizing the number of electromagnetic valves required to control a plurality of flow paths, can be addressed, and thus a low-cost cell culture device can be achieved. In this flow-path control method for X number of flow paths satisfying X?2N, the X number of flow paths are selected by using N number of valves to simultaneously and selectively control the opening and closing of the plurality of flow paths.

Abstract: A cell culture apparatus in which liquid can be supplied uniformly/homogeneously among a plurality of culture containers while keeping cost low. In this cell culture apparatus, a plurality of sealed culture containers (1) having fluid introduction ports and discharge ports are provided, and the plurality of culture containers (1) are connected in parallel, forming a single closed culture system. The cell culture apparatus has a single flow channel switching mechanism (8) for switching a plurality of flow channels connected to the plurality of culture containers (1). The flow channel switching mechanism (8) makes the flow channel resistance of one individual flow channel from among the individual flow channels branching and connecting to the culture containers (1) less than the flow channel resistance of the remainder of the individual flow channels.

Abstract: The purpose of the present invention is to eliminate the effort in placement and extraction of samples in observations using transmitted charged particles. A charged particle beam device (601) is characterized by having: a charged particle optical lens tube that irradiates a sample (6) with a primary charged particle beam; a sample stage on which a light emitting member (500) that emits light because of charged particles that have come by transmission internally in the sample (6) or scattering therefrom or a sample platform (600) having the light emitting member (500) is attachably and detachably disposed; and a detector (503) that detects the light emitted by the light emitting member.

Abstract: Disclosed is a flow cytometer using a spectral device and a multi-detector, in which setting of an optimum wavelength band prior to measuring fluorescence intensity in real time is supported. A signal processing unit stores the intensities in multiple wavelength bands, the intensities being obtained by measuring a calibration sample, and the distribution of the intensities is calculated and displayed by each of the wavelength bands.

Abstract: Disclosed is a flow cytometer using a spectral device and a multi-detector, in which setting of an optimum wavelength band prior to measuring fluorescence intensity in real time is supported. A signal processing unit stores the intensities in multiple wavelength bands, the intensities being obtained by measuring a calibration sample, and the distribution of the intensities is calculated and displayed by each of the wavelength bands.