摘要:
Methods of adhering polymeric materials to a substrate, either directly or through linker molecules, are disclosed. Structures, for example microstructures, including microwells and arrays of microwells, may be readily formed using the methods. In some embodiments, microstructures formed completely from polymeric materials are provided, making it possible to tailor the chemical and physical properties of the microstructures. For example, microwells having a bottom comprising a polar polymeric material and well sides/top comprising a non-polar polymeric material are provided. Biochemical reagents may be easily delivered to such "smart wells" because the intrinsic attraction of the well bottom for the reagents and the intrinsic repulsion between the well sides/top combine to direct the reagents to the wells.
摘要:
Described is a method of making an array of materials, said method comprising: (a) delivering a first component of a first material and a first component of a second material to first and second regions on a substrate; (b) delivering a second component of said first material and a second component of said second material to said first and second regions on said substrate; and (c) simultaneously reacting said components to form at least two materials.
摘要:
The invention relates to an arrangement for the production, testing and archiving of chemical or biological arrays bonded to a solid phase. The aim of the invention is to define such an arrangement which guarantees a locally-defined, temporary binding of individual solid phase supports to a common base support and simultaneously permits a transformation of the individual solid phase supports, according to a protocol, whereby any complete combined array or a subset thereof can be generated. Said aim is achieved, whereby a base support is formed from a large-surface support plate with a planar or arched surface form. Said base support (2) is provided with a number of discrete regions of elevated magnetic field strength, each of which permits a detachable attachment and retention of a solid phase support (1), each comprising a corresponding magnetic or magnetisable element (11), associated with a region of elevated magnetic field strength, such as a magnetic element (21) on the base support (2). The curvature of the surface of the solid phase support (1), facing the base support surface, matches the curvature of the base support surface to give a flush fit and the solid phase support (1) facing away from the base support surface (2) is provided with a functional layer (12) for the permanent bonding of chemical or biological substances.
摘要:
Described is a method for electrochemically patterning a microelectrode array (MEA) with at least two different kinds of macromolecules. Said method comprising the steps of
providing a platform with a surface that comprises individually addressable conductive microelectrode surfaces, covering said platform surface with an adlayer of resistant polymer, desorbing said adlayer from a first kind of conductive microelectrodes intended for the selective adsorption of a first kind of macromolecules, in particular proteins, by applying a potential, subjecting the desorbed surfaces to the first macromolecule under conditions such that said first macromolecule adsorbs to said desorbed surfaces, and repeating the desorption/adsorption steps with a second or further kind of macromolecules until all kinds of desired macromolecules are adsorbed. A microchip array produced by the inventive method is also described. Such chip arrays can be used to study a large diversity of biological interactions, e.g. protein-protein interactions, protein-cell interactions, protein-nucleic acid interactions etc.
摘要:
Method of manufacture of probe carriers in which plural kinds of probes are arranged on substrates by ejecting plural kinds of probe solutions containing probe materials specifically associable to target substances from a liquid ejecting device (21) onto the substrates (24), wherein the probe solutions are ejected from the liquid ejecting device (21) onto the substrates (24) while a substrate holding part whereupon the substrates are placed is moved relative to the liquid ejecting device (21) and a manufacturing apparatus exclusively used for the method. The present invention enables stable manufacture of probe carriers without overflow of the probe solutions from reservoirs (59, 72) in which probe substances are held.
摘要:
Method of manufacture of probe carriers and an apparatus used for the method in which the product of the Reynolds number (Re) and the Weber number (We), calculated from diameter and speed of a droplet of a probe solution, and density and surface tension of the probe solution, is set in the predetermined range: 0.26 x 10 5 ≤ Re · We ≤ 1.10 x 10 5 In accordance with the present invention, there are achieved high uniformity of the area and shape in each probe arranged on the probe carrier, and less tendency to rebound at impact of the probe solution on the substrate.
摘要:
Biological polymers such as polynucleotides are identified as targets in a sample by exposing the sample to a collection of substrate-bound probes. The substrates are beads and each bead has a different probe. When a target is present in a sample it is bound by one or more of the probes, and thereby bound to certain beads in the collection. Beads binding targets are separated from beads failing to bind targets, e.g. by a cell sorter, and then subjected to further analysis. Beads in the collection are additionally tagged (i.e. coded) in such a way that the identity of any probe, and thus the bound target, is revealed when the identity of the tag is determined.
摘要:
A synthetic strategy for the creation of large scale chemical diversity. Solid-phase chemistry, photolabile protecting groups, and photolithography are used to achieve light-directed spatially-addressable parallel chemical synthesis. Binary masking techniques are utilised in one embodiment. A reactor system, photoremovable protecting groups, and improved data collection and handling techniques are also disclosed. A technique for screening linker molecules is also provided.