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    • 44. 发明授权
    • Microorganism with ability to produce deoxy polyol dehydrogenase and use thereof
    • 具有生产脱氧多元醇脱氢酶能力的微生物及其用途
    • US08530222B2
    • 2013-09-10
    • US12515602
    • 2007-03-27
    • Ken IzumoriKenji MorimotoGoro TakataMasaaki TokudaYoshio TsujisakaKei TakeshitaKeiji TsusakiKazuhiro Okuma
    • Ken IzumoriKenji MorimotoGoro TakataMasaaki TokudaYoshio TsujisakaKei TakeshitaKeiji TsusakiKazuhiro Okuma
    • C12N1/20
    • C12R1/01A61K8/60A61K2800/86A61Q19/00C12N9/0006C12P19/02
    • Problem: To provide a microorganism with an ability to produce deoxy polyol dehydrogenase.Means for Resolution: A microorganism belonging to genus Enterobacter with an ability to produce a dehydrogenase for deoxy polyol of the same structure at the positions C2 and C3 as that of ribitol or L-iditol. The bacterial cell IK7 of the genus Enterobacter (accession No. NITE P-271). A method for producing deoxy ketose comprising allowing a culture containing the deoxy polyol dehydrogenase obtained by the culturing of the microorganism of the invention or allowing the deoxy polyol dehydrogenase to react with a solution containing deoxy polyol of the same structure at the positions C2 and C3 as that of ribitol or L-iditol to oxidize deoxy polyol to produce the corresponding deoxy ketose and then collecting the deoxy ketose. The deoxy polyol is 1-deoxy-D-allitol, while the corresponding deoxy ketose is 1-deoxy-L-psicose. Otherwise, the deoxy polyol is L-rhamnitol, while the corresponding deoxy ketose is 1-deoxy-L-fructose.
    • 问题:提供具有生产脱氧多元醇脱氢酶能力的微生物。 解决方法:属于肠杆菌属的微生物,其在位置C2和C3处产生与核糖醇或L-阿托糖醇相同结构的脱氧多羟基化脱氢酶的能力。 肠杆菌属细菌细胞IK7(登录号NITE P-271)。 一种生产脱氧酮糖酮的方法,包括使含有通过培养本发明的微生物获得的脱氧多元醇脱氢酶的培养物或使脱氧多元醇脱氢酶与位置C2和C3处于相同结构的含有脱氧多羟基化合物的溶液反应,作为 核糖醇或L-天冬氨酸氧化脱氧多元醇以产生相应的脱氧酮糖,然后收集脱氧酮糖酮。 脱氧多元醇是1-脱氧-D-多糖,而相应的脱氧酮基是1-脱氧-L-精氨酸。 否则,脱氧多元醇为L-麦芽糖醇,而相应的脱氧酮糖为1-脱氧-L-果糖。
    • 48. 发明申请
    • DC-DC CONVERTER CIRCUIT
    • DC-DC转换器电路
    • US20120243263A1
    • 2012-09-27
    • US13063070
    • 2009-12-16
    • Hajime KatsushimaToshikazu FujiyoshiKenji MorimotoHajime YamamotoSatoshi Yamamura
    • Hajime KatsushimaToshikazu FujiyoshiKenji MorimotoHajime YamamotoSatoshi Yamamura
    • H02M3/335
    • H02M3/3384H02M3/3372H02M2001/342Y02B70/1491
    • This DC-DC converter circuit includes: first and second switching elements (S1, S2); an output transformer (T) that includes a first primary winding (P1) connected in series between the positive electrode sides of the first and second switching elements (S1, S2), a second primary winding (P2) connected in series between their negative electrode sides, a secondary winding (S) for obtaining an output voltage, and tertiary windings (n3, n4); a first voltage source (C1), connected between a first connection point at which the first primary winding (P1) is connected to the second switching element (S2) and the first switching element (S1), that applies a voltage to the first switching element via the first primary winding; a second voltage source (C2) connected to locations symmetric with those of the first voltage source (C1); and a control unit (CT) that turns the first and second switching elements (S1, S2) alternatingly ON and OFF, and first and second regeneration snubber circuits (SN1, SN2) for regenerating the charge in snubber capacitors (C3, C4) to the voltage sources (C1, C2); and these regeneration snubber circuits (SN1, SN2) include third and fourth switching elements (S3, S4) driven by the output voltages of the tertiary windings (n3, n4).
    • 该DC-DC转换器电路包括:第一和第二开关元件(S1,S2); 输出变压器(T),包括串联连接在第一和第二开关元件(S1,S2)的正极侧之间的第一初级绕组(P1),串联连接在它们的负极 侧面,用于获得输出电压的次级绕组(S)和三次绕组(n3,n4); 连接在第一初级绕组(P1)与第二开关元件(S2)连接的第一连接点和第一开关元件(S1)之间的第一电压源(C1),其向第一开关施加电压 元件经由第一初级绕组; 连接到与第一电压源(C1)对称的位置的第二电压源(C2); 以及将第一和第二开关元件(S1,S2)交替地导通和截止的控制单元(CT),以及用于将缓冲电容器(C3,C4)中的电荷再生的第一和第二再生缓冲电路(SN1,SN2)至 电压源(C1,C2); 这些再生缓冲电路(SN1,SN2)包括由三级绕组(n3,n4)的输出电压驱动的第三和第四开关元件(S3,S4)。