摘要:
An optical signal detection module includes an optical measurement device (OMD) configured to detect an optical emission signal from an emission signal source placed in a signal-detecting position of the OMD. The optical signal detection module also includes a cover moveable between a closed position covering the signal-detecting position and an open position not covering the signal-detecting position. The cover includes an optical reference material that emits a reference emission detectable by the OMD. The cover is configured so that, when the cover is in the closed position, the inner surface is in the signal-detecting position of the OMD so that the OMD detects the reference emission. The optical signal detection module can also include a drive assembly coupled to the cover and configured to move the cover between the open position and the closed position. In some embodiments, the OMD can include a fluorometer.
摘要:
Methods, systems, and apparatus are provided for automated isolation of selected analytes, to which magnetically-responsive solid supports are bound, from other components of a sample. An apparatus for performing an automated magnetic separation procedure includes a mechanism for effecting linear movement of a magnet between operative and non-operative positions with respect to a receptacle device. A receptacle holding station within which a receptacle device may be temporarily stored prior to moving the receptacle to the apparatus for performing magnetic separation includes magnets for applying a magnetic field to the receptacle device held therein, thereby drawing at least a proton of the magnetically-responsive solid supports out of suspension before the receptacle device is moved to the magnetic separation station. An automated receptacle transport mechanism moves the receptacle devices between the apparatus for performing magnetic separation and the receptacle holding station.
摘要:
There is disclosed a receptacle (200) for receiving one or more substances to be lyophilized, the receptacle comprising: one or more wells (201), each well configured to hold a substance to be lyophilized and comprising an at least substantially hemispherical shaped bottom interior surface; and a sealable upper surface (202) configured such that a seal (203) may be applied thereto and sealed such that each of the one or more wells are individually sealed and isolated from an uncontrolled environment external to the sealed receptacle, wherein an exterior shape of at least a bottom portion of the receptacle is configured to conform with a receptacle receiving portion (16) of a lyophilization nest (1), so as to maximize a surface contact area between the receptacle and the corresponding receptacle receiving portion, and wherein the receptacle comprises a low vapor transmission rate material configured to impede migration of water vapor through the material.
摘要:
A structure for holding sample-containing receptacles includes a cover with holes formed therein through which the receptacles can be accessed with a substance transfer mechanism, such as a robotic pipettor. When the transfer mechanism is inserted into and then withdrawn from a receptacle, a string of viscous material may be suspended from the mechanism. A viscous string removal element adjacent each opening engages the string of viscous material and dislodges the string from the mechanism when the mechanism moves in a prescribed path with respect to the removal element. A sample rack configured to hold receptacles and to be inserted into the structure below the cover includes a sample rack having receptacle-receiving pockets, each with a resilient element and a positioning feature for holding receptacles of varying sizes in a predetermined position within the receptacle receiving pocket, and a cover including features for preventing a receptacle from being pulled out of its receptacle-receiving pocket when the transfer mechanism is withdrawn from the receptacle.
摘要:
A structure for holding sample-containing receptacles includes a cover with holes formed therein through which the receptacles can be accessed with a substance transfer mechanism, such as a robotic pipettor. When the transfer mechanism is inserted into and then withdrawn from a receptacle, a string of viscous material may be suspended from the mechanism. A viscous string removal element adjacent each opening engages the string of viscous material and dislodges the string from the mechanism when the mechanism moves in a prescribed path with respect to the removal element. A sample rack configured to hold receptacles and to be inserted into the structure below the cover includes a sample rack having receptacle-receiving pockets, each with a resilient element and a positioning feature for holding receptacles of varying sizes in a predetermined position within the receptacle receiving pocket, and a cover including features for preventing a receptacle from being pulled out of its receptacle-receiving pocket when the transfer mechanism is withdrawn from the receptacle.
摘要:
There is disclosed an apparatus comprising: a receptacle holder comprised of a heat-conducting material and including a plurality of receptacle wells, wherein each receptacle well is configured to receive a receptacle therein and includes a through-hole extending from an inner surface of the receptacle well to an outer surface of the receptacle holder; a plurality of optical fibers, each optical fiber having first and second ends, wherein the first end is in optical communication with one of the receptacle wells, and the second end is in optical communication with at least one of an excitation signal source and an emission signal detector, wherein the first end of each optical fiber is disposed outside or within, or extends through, a corresponding through-hole in each receptacle well, and wherein the first end of each optical fiber is moveable within the corresponding through-hole relative to the surface of the receptacle well; one or more thermal elements positioned proximal to the receptacle holder for altering a temperature or temperatures of the receptacle holder, wherein the thermal element is positioned proximal to a side surface of the receptacle holder, and provides thermal energy through the receptacle holder to each of the plurality of receptacle wells; one or more support(s), each positioned proximal to the side surface of the receptacle holder, wherein the one or more thermal elements are positioned between the support and the receptacle holder, and wherein the support comprises a heat sink, or the support is provided in thermal communication with a heat sink; and one or more thermal devices disposed within the heat sink for pre-heating the heat sink.