The present disclosure provides methods, device, and system for wafer processing. The wafer processing apparatus uses a nozzle in a lid to disperse a solution to the surface of a wafer. Further, the wafer is positioned on top of a vacuum chuck and does not spin while the solution is dispensed over the surface of the wafer via surface tension, thereby permitting the first solution to react with a reagent on the surface. Further, when dispensing the first solution, a separation gap between the lid and the wafer is at a predetermined distance, for example, from about 20 m to about 2 mm.

The manufacturing of molecular arrays often requires the coordination of various physical, chemical, and thermal parameters. Hence, the quality and homogeneity of many molecular arrays can be very dependent on the method of manufacturing. The instant disclosure provides a device that is configured to consistently yield peptide arrays of high quality. The device distributes optimum levels of heat and coupling solution during the chemical coupling and manufacturing of peptide array.

A drug processing system includes a workstation, at least one deck module movably positionable within the workstation, at least one filter plate operably coupled with the at least one deck module, an agitating member, and a liquid handler member. The at least one filter plate has a plurality of wells to receive a fluid therein. The agitating member is adapted to move the at least one filter plate according to an agitation system. The liquid handler member is adapted to selectively add a fluid to at least one of the plurality of wells and/or remove a fluid from the at least one of the plurality of wells according to a liquid handling system. The agitating member is adapted to move the at least one filter plate while the liquid handler member selectively adds and/or removes the fluid from the at least one of the plurality of wells.

The present invention relates to fluidic devices, especially microfluidic devices, for aliquoting and pairwise combinatorial mixing of a first set of liquids with a second set of liquids. The device architecture is designed to move liquids in two separate phases, a first phase where the liquids are exposed to a first directional force field to move the liquids in a first direction, from a reservoir to aliquot chambers, and a second phase where the liquids are exposed to a second directional force field to move the liquids in a second direction, from the aliquot chambers to the mixing chambers. The first and second directional force fields that the device is exposed to may be achieved using a single directional force field (i.e. a rotor driven centrifugal force field) and by re-orienting the position of the device with respect to the centrifugal forces between the first and second phases of operation. The device architecture comprises reservoirs for each of the first fluids and reservoirs for each of the second fluids. Each reservoir is fluidically connected to aliquoting chambers, either arranged in parallel or in series, for providing aliquots of the fluid which may be metered. The conduits providing fluid communication between the reservoirs and aliquoting chambers are arranged in a first direction. A series of mixing chambers is also provided, and each mixing chamber is fluidically connected to one aliquot chamber for a first liquid and one aliquoting chamber for a second liquid. The conduits providing fluid communication between the aliquoting chambers and mixing chambers are arranged in a second direction.

Provided are a catalyst and a method of preparing the same, and the catalyst comprises a ternary Prussian blue analogue and the structure of the ternary Prussian blue analogue is as defined herein. The present disclosure prepares the ternary Prussian blue analogue catalyst by a simple and low-energy-consuming co-precipitation method, and the ternary Prussian blue analogue exhibit excellent electrocatalytic property through the synergistic effect of multiple elements.

The present disclosure provides methods, device, and system for wafer processing. The wafer processing apparatus uses lid dispenser to disperse at least one reagent to the surface of the wafer. Further, the wafer is positioned on top of a rotatable vacuum chuck configured to spread at least one reagent over the surface of the wafer via a centrifugal force or surface tension, thereby permitting the at least one reagent to react with an additional reagent. Further, when dispensing the at least one reagent, a separation gap between the lid dispenser and the wafer is at a predetermined distance, for example, from 50 m to 2 mm.

Provided are a catalyst and a method of preparing the same. The catalyst has a ternary Prussian blue analogue having transition metals M.sup.1, M.sup.2, and M.sup.3 and represented by the Formula (1) as defined herein, and can be used as a catalyst for oxygen evolution reaction. The method includes separately dissolving transition metal salts, ferrocyanide of alkali metals, and alkali metal salts in different solutions; adding the first two solutions to the third solution; mixing; precipitating; and drying. The ternary Prussian blue analogue catalyst is prepared by a simple and low-energy-consuming co-precipitation method, and the ternary Prussian blue analogue exhibit excellent electrocatalytic property through the synergistic effect of multiple transition metals.

According to the invention, generally, a method for making a microfluidic aliquoting (MA) chip, adapted to fit in a Petri dish, has a center well (inlet) connected by branched channels to a plurality of side wells (outlets). The chip comes in various types, including a bMA Chip T1, bMA Chip T2, bMA Chip T3, and an rMA Chip. The branched channel improvement provides for a greater distance between neighboring channels and a decreased density near the center well. Design improvements including an injection mold design for an insert and a base and a multiplex hole punch allow for rapid fabrication of the MA chip.

According to the invention, generally, a microfluidic aliquoting (MA) chip, adapted to fit in a Petri dish, has a center well (inlet) connected by branched channels to a plurality of side wells (outlets). The chip comes in various types, including a bMA Chip T1, bMA Chip T2, bMA Chip T3, and an rMA Chip. The branched channel improvement provides for a greater distance between neighboring channels and a decreased density near the center well. Design improvements including an injection mold design for an insert and a base and a multiplex hole punch allow for rapid fabrication of the MA chip.

According to the invention, generally, a microfluidic aliquoting (MA) chip, adapted to fit in a Petri dish, has a center well (inlet) connected by a plurality of microchannels to a plurality of side wells (outlets). A relatively large (such as 120 L) cell suspension having several cells may be injected into the inlet of the MA chip, and single cells may be substantially simultaneously and uniformly distributed, via positive pressure-driving flow, to the several (such as 120) side wells having single cells in less than 1 minute. The MA Chip has a high efficiency in cell recovery. Due to rapid isolation and easy identification of single cells, high cell viability, high enrichment factor, and convenient transfer of submicroliter single-cell suspension, MA Chips are well compatible with CTC isolation from blood, single-cell cloning, PCR, and sequencing.