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    • 6. 发明授权
    • Mesh screen of polyester filaments for screen printing
    • 涤丝丝网丝网印花
    • US4824717A
    • 1989-04-25
    • US137321
    • 1987-12-23
    • Toru NakanishiShigehiro HoshidaSusumu Ueno
    • Toru NakanishiShigehiro HoshidaSusumu Ueno
    • B29C59/14B41N1/24B32B7/00
    • B29C59/14B41N1/247Y10T428/2938Y10T428/2969Y10T428/2978Y10T428/31Y10T442/183Y10T442/3976
    • A mesh screen of polyester filaments for screen printing is subjected to a treatment with low temperature plasma in an atmosphere of a non-oxidizing inorganic gas to such an extent that a crosslinked layer having a thickness of 0.001 to 0.1 .mu.m is formed on the surface of the polyester filaments and the surface of the filaments is provided with protrusions and concavities having a diameter of 0.01 to 0.1 .mu.m in a distribution density of 1000 to 6000 per .mu.m.sup.2 of the surface area of the filament. The thus treated mesh screen is advantageously improved, with no adverse influences on the mechanical strength, in respect of the adhesion between the filament surface and a photosensitive resin composition applied to the mesh screen for photolithographic patterning. The plasmatreated mesh screen is also advantageous in respect of the decreased resistance against transfer of a printing ink through open meshes.
    • 用于丝网印刷的聚酯长丝的筛网在非氧化性无机气体的气氛中用低温等离子体进行处理,使得在表面上形成厚度为0.001〜0.1μm的交联层 的聚酯长丝和长丝的表面在细丝的表面积的分布密度为1000〜6000 /μm的情况下,设置有直径为0.01〜0.1μm的突起和凹部。 有利地,这样处理的筛网有利地提高了对于在丝网表面和施加到用于光刻图案的网筛之间的感光性树脂组合物之间的粘合力对机械强度没有不利影响。 等离子体处理的筛网对于通过开放的网孔转印印刷油墨的抗性降低也是有利的。
    • 8. 发明授权
    • Method and test composition for the determination of the substrate for
xanthine oxidase
    • 用于黄嘌呤氧化酶底物测定的方法和试验组合物
    • US4341868A
    • 1982-07-27
    • US201067
    • 1980-04-18
    • Toru NakanishiYozo Machida
    • Toru NakanishiYozo Machida
    • C12N9/04C12Q1/26C12N9/06C12R1/01
    • C12N9/0006C12Q1/26C12Y117/03002
    • The substrate for xanthine oxidase such as xanthine, hypoxanthine, guanine, 2-hydroxypurine, etc. are determined by oxidizing the substrate by the action of xanthine oxidase derived from a microorganism and determining the formed hydrogen peroxide by the system for the determination of hydrogen peroxide comprising peroxidase and coloring reagent.The determination is carried out in one step by using the test composition for the determination of the substrate for xanthine oxidase which comprises xanthine oxidase and a system for the determination of hydrogen peroxide.The determination method can be applied to the determination of the compound which participates in the system wherein the substrate is stoichiometrically formed by the reaction or decomposition. When the system is an enzymatic reaction, the compound is determined in one step.Xanthine oxidase used in the present invention is different from known xanthine oxidase in molecular weight and is prepared by culturing a microorganism belonging to the genus Enterobacter.
    • 黄嘌呤氧化酶如黄嘌呤,次黄嘌呤,鸟嘌呤,2-羟基嘌呤等的底物是通过用衍生自微生物的黄嘌呤氧化酶的作用氧化底物来测定的,并通过用于测定过氧化氢的系统测定形成的过氧化氢 包括过氧化物酶和着色剂。 通过使用包含黄嘌呤氧化酶的黄嘌呤氧化酶底物的测定用试剂和测定过氧化氢的体系,一步进行测定。 该测定方法可以应用于通过反应或分解化学计量地形成底物的参与系统的化合物的测定。 当系统是酶反应时,化合物在一个步骤中测定。 本发明中使用的黄嘌呤氧化酶与已知的黄嘌呤氧化酶的分子量不同,是通过培养属于肠杆菌属的微生物来制备的。