摘要:
Provided is a biological specimen holder for positioning multiple specimens for imaging by a light-sheet microscope. The specimen holder allows developing plant embryos, small intact animals, or organs to be imaged in the light-sheet microscope in a single setting. The specimen holders significantly improve the imaging conditions with respect to the standard glass capillary system. Also provided is a semi-automatic image processing pipeline that quantifies cell divisions of plants imaged with both the glass capillary and the novel chambers. Plants imaged using the specimen holder undergo cell divisions for a period at least 16 times longer than those imaged with a glass capillary system and allow increased sample throughput and the option of incorporating light emitting diode (LED) lights to generate a light-controlled environment are also advantages.
摘要:
A centrifuge includes an electric motor and is composed of a centrifuge outer frame (47), a heavy liquid collecting tank (1.8), a lower hollow shaft (22), centrifugal units, an upper hollow shaft (38) and a light liquid collecting tank (41 ). The heavy liquid collecting tank, the lower hollow shaft, the upper hollow shaft and the light liquid collecting tank are all fixed to the centrifuge outer frame. The centrifugal units are fixed between the upper hollow shaft and the lower hollow shaft. The motor is connected to the upper hollow shaft and drives it The upper hollow shaft is fixed to two or more centrifugal units connected in series and makes the units rotate. The hollow portion of the upper hollow shaft communicates with the light liquid collecting tank. The centrifugal units are fixed to the lower hollow shaft and make it rotate. The heavy liquid collecting tank is a casing formed between the centrifuge outer frame and the centrifugal units. The inventive centrifuge has many advantages, such as simple structure, less occupied space, low energy consumption, complete separation effect, convenient operation and high practicability.
摘要:
This invention relates to a handheld, hand-powered centrifuge device. The device preferably includes a centrifuge body and a sample-holding member connected to a tether. The device centrifuges the sample by a user physically spinning the member preferably in a vertical arc. The device preferably includes a pull handle which allows a user to shorten the length of the tether to reduce the circumference of the arc, thereby increasing the speed of rotation and centrifugal force on the sample. The device also preferable includes a brake to prevent the member from contacting the handheld centrifuge body. The centrifuge body may have a storage cavity for storing the pull handle when not in use, wherein the member serves to seal the storage cavity when not in use.
摘要:
A micropipetter with a plurality of hollow needles (120) to deliver fluid, the needles (120) anchored in a sample block (150); a needle guide assembly (130) with a plurality of needle guide shafts (134) and compression springs (132) attached at one end to the sample block (150) and at the other end to a needle guide plate (140), each spring (132) surrounding a needle guide shaft (134), and the needle guide plate (140) controlling the spacing of the needles; a sample block (150) having a plurality of hollow, tapered spaces, each of which connect with the hollow needle (120); a displacement volume block (160) having a plurality of hollow spaces, each being occupied by a piston pin (166), each piston pin (166) being sealed with a stationary seal assembly (154); a stationary sheet seal (154) located between the sample block (150) and the displacement volume block (160), the sheet seal (154) having a plurality of holes corresponding to the spaces in the sample block (150) and the displacement volume (160) such that precise volume displacement is provided.
摘要:
A micropipetter with a plurality of hollow needles (120) to deliver fluid, the needles (120) anchored in a sample block (150); a needle guide assembly (140) with a plurality of needle guide shafts (134) and compression springs (132) attached at one end to the sample block (150) and at the other end to a needle guide plate (140), each spring (132) surrounding a needle guide shaft (134), and the needle guide plate (140) controlling the spacing of the needles; a sample block (150) having a plurality of hollow, tapered spaces, each of which connect with the hollow needle (120); a displacement volume block (160) having a plurality of hollow spaces, each being occupied by a piston pin (166), each piston pin (166) being sealed with a stationary seal assembly (154); a stationary sheet seal (154) located between the sample block (150) and the displacement volume block (160), the sheet seal (154) having a plurality of holes corresponding to the spaces in the sample block (150) and the displacement volume (160) such that precise volume displacement is provided.
摘要:
본 발명은 음식물 쓰레기 수거봉지에 음식물 쓰레기를 담은 상태에서도 음식물 쓰레기로부터 수분을 제거할 수 있도록 하여 사용상 편의성을 도모하고자 하는 음식물 쓰레기 탈수장치에 관한 것이다. 이러한 본 발명은 상부가 개방되고, 일측에는 배수관이 연결된 함체 형상의 외통과; 외통보다는 작은 크기로 형성되어 상기 외통의 내부에 삽입되며, 내면에는 다수의 펀칭칼날이 각각 고정되고, 펀칭칼날의 중앙부에는 외통으로 통하는 배수공이 각각 형성되어 음식물 쓰레기 수거봉지가 안착되는 함체 형상의 내통과; 외통의 상부에 기밀하게 결합되는 뚜껑과; 내통을 회전시켜줄 수 있는 회전력을 발생시키는 회전력 발생수단과; 회전력 발생수단으로부터 발생된 회전력을 내통에 전달해주는 회전력 전달수단으로 구성된 것이다.
摘要:
In one nonlimiting example, an automated system is provided for separating one or more components in a biological fluid, wherein the system comprises: (a) a centrifuge comprising one or more bucket configured to receive a container to effect said separating of one or more components in a fluid sample; and (b) the container, wherein the container includes one or more shaped feature that is complementary to a shaped feature of the bucket.
摘要:
The present invention relates to a separator and more specifically, but not exclusively, to a centrifugal separator for the cleaning of a gaseous fluid. A centrifugal separator (2' ) is provided as comprising a housing (4' ) defining an inner space, and a rotor assembly (78',84',86' ) for imparting a rotary motion onto a mixture of substances to be separated. The rotor assembly (78',84',86') is located in said inner space and is rotatable about an axis (64' ) relative to the housing (4'). The rotor assembly comprises an inlet (600) for receiving said mixture of substances, an outlet (604) from which said substances are ejected from the rotor assembly during use, and a flow path (602) for providing fluid communication between the inlet (600) and outlet (604), wherein the outlet (604) is positioned more radially outward from said axis (64') than the inlet (600).
摘要:
Upon cleaning of a relatively heavy liquid from small amounts of relatively light liquid the liquids are first introduced into a container (1), in which the light liquid is allowed to collect on the surface of the heavy liquid. Then a surface layer of the liquid body (4) in the container (1), constituting a mixture of the two liquids, is brought to flow over an overflow outlet member (14) into a collecting chamber (15). From the collecting chamber (15) the liquid mixture is pumped further on to a centrifugal separator, from where cleaned relatively heavy liquid is returned to the container (1). According to the invention the liquid mixture is pumped from the collecting chamber (15) to the centrifugal separator by means of a pumping member (17), which is connected with the rotor (16) of the centrifugal separator and, thus, rotates therewith. Hereby, the cleaning operation in question may be performed by means of a simple and non-expensive device.