Provided herein is technology relating to microarrays and particularly, but not exclusively, to microarray devices and systems, methods for producing microarrays, and methods of using microarrays.

Provided herein is technology relating to microarrays and particularly, but not exclusively, to microarray devices and systems, methods for producing microarrays, and methods of using microarrays.

A system for DNA gene assembly that utilizes a DNA symbol library and a DNA linker library. The symbol library has a number of DNA symbols each having a first overhanging end and a second overhanging end different than and non-complimentary to the first end, the first and second ends being the same nucleotides for each DNA symbol. The linker library has pairs of DNA linkers, a first linker of a pair having a first end and a second end and a second linker of the pair having a first end and a second end, the first end of the first linker being the same nucleotides for each first linker and the second end of the second linker being the same nucleotides for each second linker, wherein the second end of the first linker and the first end of the second linker have complementary nucleotides. The first linker joins to the first end of a DNA symbol and the second linker joins to the second end of another DNA symbol.

A system for DNA gene assembly that utilizes a DNA symbol library and a DNA linker library. The symbol library has a number of DNA symbols each having a first overhanging end and a second overhanging end different than and non-complimentary to the first end, the first and second ends being the same nucleotides for each DNA symbol. The linker library has pairs of DNA linkers, a first linker of a pair having a first end and a second end and a second linker of the pair having a first end and a second end, the first end of the first linker being the same nucleotides for each first linker and the second end of the second linker being the same nucleotides for each second linker, wherein the second end of the first linker and the first end of the second linker have complementary nucleotides. The first linker joins to the first end of a DNA symbol and the second linker joins to the second end of another DNA symbol.

This invention relates generally to the field of nucleic acid detection. In particular, the invention provides a lab-on-chip system for analyzing a nucleic acid, which system comprises, inter alia, controllably closed space, and a target nucleic acid can be prepared and/or amplified, and hybridized to a nucleic acid probe, and the hybridization signal can be acquired if desirable, in the controllably closed space without any material exchange between the controllably closed space and the outside environment. Methods for analyzing a nucleic acid using the lab-on-chip system is also provided.

Provided is a method of constructing a sequencing library. The method includes 1) providing a single-stranded DNA fragment from a biological sample; 2) subjecting the single-stranded DNA fragment to whole genomic amplification to obtain a whole genome amplification product; 3) fragmenting the whole genome amplification product using a transposase embedded with two adaptors to obtain a fragmented product with two adaptors respectively at two ends; and 4) amplifying the fragmented product with two adaptors respectively at two ends using a tag sequence and a pair of primers to obtain said sequencing library.

A system includes a synthesizer unit having a fluid input to receive fluids and a communication input to receive commands to synthesize data-encoded DNA sequences and cleave the DNA. A first flexible chemistry reaction chamber module may be fluidically coupled to the synthesizer unit to receive the data-encoded DNA sequences and amplify the sequences. A deposition unit may be fluidically coupled to the first flexible chemistry reaction chamber module to receive the amplified DNA sequences and encapsulate the amplified DNA sequences into one or more wells in a storage plate for storage and retrieval to and from a plate storage unit. Retrieved DNA may be processed and read by further units.

The invention relates to a method for analyzing molecular properties and/or reaction conditions, comprising a step of providing a first store having a first surface, wherein a specific selection of sample molecules is directly or indirectly bonded to the surface in a defined arrangement, a step of producing at least two transfer stores, wherein at least two additional surfaces are provided, and a reaction step, selected from the group comprising a transfer reaction, an amplification reaction, and/or a derivatization reaction, whereby product molecules can arise and said product molecules and/or the sample molecules bond to the surfaces, wherein there is a clear spatial association between the sample molecules of the first store and the product molecules and/or sample molecules of the transfer stores and the first store, the transfer stores, the sample molecules, the product molecules, the transfer reaction, the amplification reaction, and/or the derivatization reaction is analyzed.

A biochip substrate which is free from cross-contamination due to spot spreading or contact with spots adjacent to each other, and a biochip using the same. A biochip substrate on which multiple valleys for immobilizing biological substances are formed so as to prevent cross-contamination due to spot spreading or contact with spots adjacent to each other, and a biochip using the same are provided. Moreover, it is found out that a desired binding in a target molecule contained in a test sample occurs at a detectable level in a solution system even in the case where a valley have such a small capacity as 1 nL to 10 nL.

A biochip substrate which is free from cross-contamination due to spot spreading or contact with spots adjacent to each other, and a biochip using the same. A biochip substrate on which multiple valleys for immobilizing biological substances are formed so as to prevent cross-contamination due to spot spreading or contact with spots adjacent to each other, and a biochip using the same are provided. Moreover, it is found out that a desired binding in a target molecule contained in a test sample occurs at a detectable level in a solution system even in the case where a valley have such a small capacity as 1 nL to 10 nL.