Abstract: In an embodiment, a chip is used for isolating RBC from a whole blood and includes an accommodating space, a porous membrane and a microchannel system. The accommodating space is configured for containing a whole blood sample including RBC debris. The porous membrane is disposed at a bottom of the accommodating space and includes a plurality of pores. A diameter of the pores is larger than a size of the RBC debris and larger than a mean diameter of WBCs and CTCs. The microchannel system includes a liquid inlet, a liquid outlet and a microchannel. The microchannel is disposed between and communicates with the liquid inlet and the liquid outlet. The microchannel is disposed under the porous membrane.

Abstract: Provided are a cell identification method for identifying target cells by combining the results of fluorescence intensity analysis, fluorescence image analysis, and white light image analysis.

Abstract: A carbon nanomaterial for gas storage and a method for manufacturing the same are provided. The specific surface area of the carbon nanomaterial for gas storage is greater than 2000 m2/g. The mesopore volume of the carbon nanomaterial for gas storage is greater than the micropore volume of the carbon nanomaterial for gas storage, and the carbon nanomaterial for gas storage has a peak intensity ratio (ID/IG) between G band and D band, as determined from the Raman spectrum, between 1.1 and 2. In the carbon nanomaterial for gas storage, the pore volume of pores with a pore width of 6 nm or less is bigger than that of pores with a pore width greater than 6 nm.

Abstract: The art for the design of a class of modified catalysts, the process for preparing such modified catalysts and implementation of such modified catalysts in phosphoric acid fuel cells is disclosed. The modified catalyst comprises a particle of a metal-doped porous material and an amount of a phosphate-containing acid group or phosphate-containing acid groups. The particle of the metal-doped porous material is a particle of a porous carrier with metal microparticles and a plurality of hydroxyl groups on the surface of the porous carrier such that (i) the plurality of metal microparticles are attached to a first portion of the plurality of hydroxyl groups of the surface of the porous carrier and (ii) an amount of a phosphate-containing acid group or phosphate-containing acid groups can be bonded to a second portion of the plurality of hydroxyl groups of the surface of the porous carrier to form the modified catalyst.

Abstract: Cell sorting methods are disclosed. A blood sample is provided. The blood sample is centrifuged to obtain a cell mixture having target cells and non-target cells. Fluorescent markers are added to the cell mixture to allow the fluorescent markers to bind with the target cells. A hydrogel solution is added and mixed with the cell mixture to form a mixture solution. The mixture solution is distributed to cell wells of an array chip, and the target cells and non-target cells in the cell mixture are spread on the bottom of the cell wells in a substantially monolayer manner. The mixture solution is cured. A fluorescence image analysis is performed to select the target cells that are bound with fluorescent markers and emit fluorescence, and the selected target cells are isolated.

Abstract: A carbon nanomaterial for gas storage and a method for manufacturing the same are provided. The specific surface area of the carbon nanomaterial for gas storage is greater than 2000 m2/g. The mesopore volume of the carbon nanomaterial for gas storage is greater than the micropore volume of the carbon nanomaterial for gas storage, and the carbon nanomaterial for gas storage has a peak intensity ratio (ID/IG) between G band and D band, as determined from the Raman spectrum, between 1.1 and 2. In the carbon nanomaterial for gas storage, the pore volume of pores with a pore width of 6 nm or less is bigger than that of pores with a pore width greater than 6 nm.

Abstract: A fuel cell bipolar flow field plate and a fuel cell stack are provided. The fuel cell bipolar flow field plate includes a first gas channel and a second gas channel. Each of the gas channels has several sub-channels, each of the sub-channels has bending parts, and adjacent sub-channels have opposite flow directions. The sub-channels of the two gas channels form a four-leaf clover type pattern in a reaction area of the fuel cell bipolar flow field plate. A bending angle of each of the bending parts in the four-leaf clover type pattern is within 90 degrees.

Abstract: A cell chip includes first, second and third elements, a dye dialysis layer, a micro-channel structure and washing solution inlet and outlet. The first element has a first hole and second holes at opposite sides of the first hole. The second element has a third hole corresponding to the first hole and fourth holes corresponding to the second holes. The dye dialysis layer is inserted between the first element and the second element and has a cell-assembly region corresponding to the first and third holes. The micro-channel structure is disposed below the cell-assembly region and between the second and the third elements. The washing solution inlet and outlet are communicatively connected to the micro-channel structure. The washing solution inlet includes the second hole and a corresponding fourth hole. A washing solution flows in the micro-channel structure through the washing solution inlet and outlet.

Abstract: A detection substrate of surface-enhanced Raman scattering including a substrate, pillar structures, and target-analyte linking substances are provided. The pillar structures are disposed on the substrate. The pillar structure has a Raman active surface. The ratio of a maximum length of the top-view pattern of the pillar structures to a gap between the adjacent pillar structures ranges from 0.2 to 0.4. The target-analyte linking substances are disposed on the pillar structures.

Abstract: A fuel cell bipolar flow field plate and a fuel cell stack are provided. The fuel cell bipolar flow field plate includes a first gas channel and a second gas channel. Each of the gas channels has several sub-channels, each of the sub-channels has bending parts, and adjacent sub-channels have opposite flow directions. The sub-channels of the two gas channels form a four-leaf clover type pattern in a reaction area of the fuel cell bipolar flow field plate. A bending angle of each of the bending parts in the four-leaf clover type pattern is within 90 degrees.

Abstract: A composite material for photocatalytic hydrogen production and a photocatalytic hydrogen production catalyst are provided. The composite material includes a plurality of inorganic semiconductor particles and a linear conjugated polymer material. The conductive band of a material of the inorganic semiconductor particles is higher than the reduction potential of hydrogen, and the linear conjugated polymer material is compounded on a surface of each of the inorganic semiconductor particles, wherein the difference in the energy level of the lowest unoccupied molecular orbital (LUMO) of the linear conjugated polymer material and the conductive band of the material of the inorganic semiconductor particles is within 2 eV.

Abstract: A chip for sample separation including a first substrate, a first electrode, a first dielectric layer, a second substrate, a second electrode, a second dielectric layer, and a flow channel layer is provided. The first electrode is disposed on the first substrate. The first dielectric layer is disposed on the first electrode and includes a first opening. The second electrode is disposed on the second substrate. The second dielectric layer is disposed on the second electrode and includes a second opening. An area of the first electrode exposed by the first opening is smaller than an area of the second electrode exposed by the second opening. The flow channel layer is sandwiched between the first dielectric layer and the second dielectric layer and includes a through hole. The through hole communicates between the first opening and the second opening.

Abstract: A sperm sorting apparatus and a sperm sorting method are provided. The sperm sorting apparatus includes a medium chamber, a waste chamber and a sorting channel communicated with and extending along a first direction in between. The medium chamber is configured to contain a medium solution. The waste chamber disposed aside the medium chamber is configured to contain a residual solution after sorting. The residual solution includes low motility sperms and/or dead sperms. The sorting channel is configured to be inserted with a sperm sample, such that sperms in the sperm sample are sorted in corresponding to a medium solution flow from the medium chamber. The sorting channel has first and second portions. The first portion is closer to the medium chamber than the second portion. A width of the first portion measured along a second direction is greater than a critical dimension, ranging from 200 ?m to 400 ?m.

Abstract: An oxygen content sensor includes a nanoparticle, a plurality of linkers, and a plurality of fluorescent molecules. The linkers are disposed on the nanoparticle. The fluorescent molecules are arranged on the linkers. The linker has at least a hydrophilic region as well as a hydrophobic region. The linker is linked to the nanoparticle through the hydrophilic region, and the fluorescent molecule is linked to the linker through the hydrophobic region.

Abstract: An optical substrate including a substrate, a plurality of first nanostructures, and a metal structure is provided. The plurality of first nanostructures are located on the substrate, wherein a surface of the plurality of first nanostructures away from the substrate has a plurality of second nanostructures. The metal structure is located on a surface of the plurality of second nanostructures. A method of fabricating the optical substrate is also provided.

Abstract: Provided are a boric acid-containing polyvinyl alcohol nanoparticle and a preparation method thereof. The boric acid-containing polyvinyl alcohol nanoparticle includes a polyvinyl alcohol nanoparticle and a boric acid, wherein the boric acid is crosslinked to the polyvinyl alcohol nanoparticle by covalent bonds.

Abstract: An oxygen content sensor includes a nanoparticle, a plurality of linkers, and a plurality of fluorescent molecules. The linkers are disposed on the nanoparticle. The fluorescent molecules are arranged on the linkers. The linker has at least a hydrophilic region as well as a hydrophobic region. The linker is linked to the nanoparticle through the hydrophilic region, and the fluorescent molecule is linked to the linker through the hydrophobic region.

Abstract: A sperm sorter and a sperm sorting method are provided. The sperm sorter includes an inlet chamber, a swim up sorting chamber, a divergent channel, a recycling chamber and an outlet chamber. The swim up sorting chamber is communicated with the inlet chamber. The swim up sorting chamber is communicated between the inlet chamber and the divergent channel. The divergent channel has an entrance terminal close to the swim up sorting chamber and an exit terminal away from the swim up sorting chamber. A width and a depth of the entrance terminal are respectively less than a width and a depth of the exit terminal. The recycling chamber is communicated with the exit terminal of the divergent channel. The outlet chamber is communicated with a portion of the divergent channel between the entrance terminal and the exit terminal.

Abstract: A biomimetic microtube and a preparation method thereof are provided. A coaxial pipe is used to form a biomimetic microtube having a core solution and a wall surrounding the core solution. In the preparation method, some various processing methods can be used to increase the roughness, porosity, and hardness of the wall of the biomimetic microtube.

Abstract: An optical substrate including a substrate, a plurality of first nanostructures, and a metal structure is provided. The plurality of first nanostructures are located on the substrate, wherein a surface of the plurality of first nanostructures away from the substrate has a plurality of second nanostructures. The metal structure is located on a surface of the plurality of second nanostructures. A method of fabricating the optical substrate is also provided.