Abstract: A device for visual quantification of an amount of target species in a sample solution. The device includes an inlet, a separator, and a trap. The inlet is arranged to receive the sample solution. The separator in fluid communication with the inlet and arranged to separate one or more species from the sample solution. The trap is arranged downstream of the separator, in fluid communication with the separator, and arranged to trap one or more species of the sample solution. The trap is arranged such that the trapped species is visible for determination of the amount of target species in the sample solution.

Abstract: An image capturing device is provided. The image capturing device includes a housing, an image capturing module, a cover, and a clip member. The housing includes an open end. The image capturing module is disposed in the housing. The cover detachably covers the open end. The clip member clips the housing and the cover to prevent the cover from being separated from the housing.

Abstract: A device, an instrument and a belt for tying the cervix are provided. The device includes the belt and the instrument. The belt is used to tie the cervix. The instrument includes a first outer pipe, a second outer pipe and two fork structures. The first outer pipe and the second outer pipe are rotatable to each other. The two fork structures are connected individually to corresponding axial ends of the first outer pipe and the second outer pipe, respectively, and insert into the belt detachably.

Abstract: An adjustable respirator shell, suitable for being worn on a human body trunk, includes a body, a belt and a buffer. The body includes a protrusive portion and a contact portion. The protrusive portion has an opening connecting a fluid pressure controller, and the contact portion is to contact the human body trunk. The belt, connecting the body, is to surround the human body trunk so as to fasten the adjustable respirator shell on the human body trunk. The buffer covers a circumference of the contact portion, and the contact portion contacts the human body trunk via the buffer. In addition, the buffer includes at least one cushion.

Abstract: An image capturing device is provided. The image capturing device includes a housing, a first circuit board, a second circuit board, a supporting frame and a lens. The first circuit board is disposed in the housing, wherein the first circuit board includes an image sensing unit. The second circuit board is disposed in the housing and coupled to the first circuit board. The supporting frame is disposed in the housing, wherein at least a portion of the supporting frame surrounds the first circuit board and the second circuit board, the first circuit board and the second circuit board abut the supporting frame, the supporting frame includes at least one spacer formed thereon, the spacer is sandwiched between the first circuit board and the second circuit board. The lens is connected to the housing and corresponds to the image sensing unit.

Abstract: A convective polymerase chain reaction apparatus includes a tube, a temperature control unit, at least one light source and a sensor. The tube includes a cavity used to contain a reaction solution. The reaction solution has a liquid level measured from a bottom of the cavity to a top surface of the reaction solution. The temperature control unit is disposed adjacent to the tube for controlling the temperature of the reaction solution. The at least one light source provides a light beam passing through an incident portion of the tube to excite the reaction solution emitting a fluorescent light. The incident portion is located at a height greater than ½ of a liquid level. The sensor is adjacent to the tube for detecting the excited fluorescence. The light beam has an incident direction forming a non-straight angle with a long axis of the tube.

Abstract: A hands-free electronic device is provided, including a housing, a first elastic element and a second elastic element. The housing includes a first side and a second side opposite thereto. The first elastic element includes a first section, a second section and a third section. The first section covers the first side. The second section is connected to the first section, and the second section includes a first concave surface. An end of the third section is connected to the second section, and the other end of the third section is a free end. The second elastic element is disposed in the holding space, wherein a first end of the second elastic element is affixed to the second side, and a second end of the second elastic element is connected to the first elastic element.

Abstract: A hands-free electronic device is provided, including a housing, a first elastic element and a second elastic element. The housing includes a first side and a second side opposite thereto. The first elastic element includes a first section, a second section and a third section. The first section covers the first side. The second section is connected to the first section, and the second section includes a first concave surface. An end of the third section is connected to the second section, and the other end of the third section is a free end. The second elastic element is disposed in the holding space, wherein a first end of the second elastic element is affixed to the second side, and a second end of the second elastic element is connected to the first elastic element.

Abstract: A biological sample processing device includes a base, a purification unit, a metering unit and a first tube. The purification unit is disposed on the base and is configured to purify a sample. The metering unit is disposed on the base and has an inlet, at least one metering trough and an overflow trough. The inlet is connected to the purification unit via the first tube, and the metering trough is connected between the inlet and the overflow trough. The sample from the purification unit is configured to enter the metering unit through the inlet to be moved toward the metering trough, and to be moved toward the overflow trough after the metering trough is filled with the sample.

Abstract: A convective polymerase chain reaction apparatus includes a tube, a temperature control unit, at least one light source and a sensor. The tube includes a cavity used to contain a reaction solution. The reaction solution has a liquid level measured from a bottom of the cavity to a top surface of the reaction solution. The temperature control unit is disposed adjacent to the tube for controlling the temperature of the reaction solution. The at least one light source provides a light beam passing through an incident portion of the tube to excite the reaction solution emitting a fluorescent light. The incident portion is located at a height greater than ½ of a liquid level. The sensor is adjacent to the tube for detecting the excited fluorescence. The light beam has an incident direction forming a non-straight angle with a long axis of the tube.

Abstract: A method for determining the presence or amount of a target nucleic acid sequence in a sample, uses magnetic particles loaded with a probe and polystyrene particles loaded with a probe, in particular a different probe, for directly or indirectly detecting the presence or amount of the target nucleic acid sequence which is in particular indicative of a disease. The methods of the present invention allow for determining target nucleic acid sequences even in low abundance and in complex samples with advantageous sensitivity and, thus, represent promising approaches which can in particular be used in the diagnosis of several diseases and health conditions. A kit comprising a loaded magnetic particle and a loaded polystyrene particle is provided and can be used for the methods of the present invention, in particular for diagnosis or prognosis of a disease in a subject such as a human.

Abstract: A recombinant H7 hemagglutinin derived from Chinese hamster ovary (CHO) cell. The recombinant H7 hemagglutinin includes a H7 hemagglutinin domain, a GCN4-pII trimerization motif, and a His-tag. The recombinant H7 hemagglutinin can be prepared as a protective vaccine composition with a pharmaceutically acceptable adjuvant. H7 hemagglutinin specific antibodies are elicited, and protection against H7N9 influenza virus is provided.

Abstract: A portable real-time heating and detection device includes a body, a cover and a detection unit. The body has an opening, and a base. The cover has a control unit and a fix unit. The detection unit is disposed on the base of the body and has a thermostat, an optical excitation, an optical detection, and a circuit board. The thermostat is disposed close to the opening and has at least one thermostat zone. The optical exciter is disposed between the thermostat and the base. The optical detector is disposed between the thermostat and the opening. The circuit board is electrical coupled to the control unit, the thermostat, the optical excitation, and the optical detector, respectively.

Abstract: A device and a method for detecting an analyte in a liquid sample. In an aspect, a mixing portion is configured to receive and mix a first liquid solution of unknown composition with a second liquid solution that includes a suspended particle resulting in a mixed liquid solution, wherein a surface of the suspended particle is functionalized to target an analyte. Furthermore, in an aspect, a surface of a solid substrate is configured to receive and evaporate a drop of the mixed liquid solution, wherein evaporation of the drop in connection with a capillary flow of the mixed liquid solution disperses the suspended particle in a ring pattern. The presence or absence of an analyte in the first liquid solution can be determined by visual inspection of the ring pattern.

Abstract: An imaging system used for material discrimination of an objet is provided. The imaging system includes an X-ray source and an imaging sensor. The X-ray source generates multienergy polychromatic X-ray, wherein there is an integral-multiple relationship between the multi-energy-band of the X-ray. The object is placed between the X-ray source and the imaging sensor. The X-ray is transmitted toward and imaged by the imaging sensor through the object. An imaging multi-energy-band of the imaging sensor corresponds to the multi-energy-band of the X-ray.

Abstract: A portable real-time heating and detection device includes a body, a cover and a detection unit. The body has an opening, and a base. The cover has a control unit and a fix unit. The detection unit is disposed on the base of the body and has a thermostat, an optical excitation, an optical detection, and a circuit board. The thermostat is disposed close to the opening and has at least one thermostat zone. The optical exciter is disposed between the thermostat and the base. The optical detector is disposed between the thermostat and the opening. The circuit board is electrical coupled to the control unit, the thermostat, the optical excitation, and the optical detector, respectively.

Abstract: This disclosure generally relates to a device and a method for detecting an analyte in a liquid sample. In an aspect, a mixing portion is configured to receive and mix a first liquid solution of unknown composition with a second liquid solution comprising a suspended particle resulting in a mixed liquid solution, wherein a surface of the suspended particle is functionalized to target an analyte. Furthermore, in an aspect, a surface of a solid substrate is configured to receive and evaporate a drop of the mixed liquid solution, wherein evaporation of the drop in connection with a capillary flow of the mixed liquid solution disperses the suspended particle in a ring pattern. The presence or absence of an analyte in the first liquid solution can be determined by visual inspection of the ring pattern.

Abstract: An imaging system used for material discrimination of an objet is provided. The imaging system includes an X-ray source and an imaging sensor. The X-ray source generates multienergy polychromatic X-ray, wherein there is an integral-multiple relationship between the multi-energy-band of the X-ray. The object is placed between the X-ray source and the imaging sensor. The X-ray is transmitted toward and imaged by the imaging sensor through the object. An imaging multi-energy-band of the imaging sensor corresponds to the multi-energy-band of the X-ray.

Abstract: A pixel structure includes a first photoelectric conversion layer, a second photoelectric conversion layer, a blocking layer, a first electronic element layer and a second electronic element layer. The first photoelectric conversion layer converts a first energy portion of an X-ray into a first electrical signal and the second photoelectric conversion converts a second energy portion thereof into a second electrical signal. The blocking layer is disposed between the first and second photoelectric conversion layers to filter out partial ray with a portion of the frequency range of the X-ray. The first electronic element layer is disposed between the first photoelectric conversion layer and the blocking layer to enable the first photoelectric conversion layer and receive the first electrical signal; the second electronic element layer is disposed between the second photoelectric conversion layer and the blocking layer to enable the second photoelectric conversion layer and receive the second electrical signal.

Abstract: A polymerase chain reaction (PCR) device for a reverse transcriptase reaction (RT) and a convectively-driven polymerase chain reaction (cPCR) in the same device is provided. The PCR device comprises an upper temperature-controlling unit, a middle temperature-controlling unit and a lower temperature-controlling unit. The middle temperature-controlling unit is used for controlling a temperature of a reaction mixture contained in a reaction container to have a temperature for the reverse transcriptase reaction. The middle temperature-controlling unit is disposed between the upper temperature-controlling unit and the lower temperature-controlling unit. The upper temperature-controlling unit and the lower temperature-controlling unit are used for simultaneously controlling the reaction mixture contained in the reaction container to have a temperature gradient and a convection condition for the convectively-driven polymerase chain reaction.