Personalized tumor assembly construction method and device based on droplet microfluidic technology
A technology for constructing methods and assemblies, which can be applied in the directions of supporting/immobilizing microorganisms, sterilization methods, chemical instruments and methods, etc., and can solve problems affecting drug screening stability and consistency, size, uncontrollable fusion morphology, Problems such as poor formability and uniformity, to achieve the effect of high-throughput screening, controllable microsphere size, and prevention of deposition
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[0052] The experimental methods used in the following examples are conventional methods unless otherwise specified.
[0053] The materials and reagents used in the following examples can be obtained from commercial sources unless otherwise specified.
[0054] Such as figure 1 As shown, the present invention provides a method for constructing tumor-like assemblies based on droplet microfluidic technology, including: preparation of individualized tumor microtissues, forming microspheres of the like-assembly, solidification of the microspheres, and collection of the like-assembly.
[0055] The preparation method of personalized tumor microtissue ink 103 is as follows: collect fresh tumor tissue after clinical operation, the tissue is not smaller than 1.5×1.5×1.5cm, wash the tumor tissue with PBS containing penicillin and streptomycin for 3 times, and then use The ophthalmic scissors were mechanically chopped, and the tumor microtissue was digested with 2mg / mL collagenase type I ...
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