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    • 1. 发明授权
    • Cell-bound keratinolytic enzymes or trichophyton mentagrophytes and process therefor
    • 细胞胆固醇酯酶或三烯酸甘油酯及其过程
    • US3793149A
    • 1974-02-19
    • US3793149D
    • 1972-01-03
    • UNIV TEMPLE
    • BLANK FYU R
    • C12N9/58C07G7/02
    • C12N9/58Y10S435/815Y10S435/911
    • Two cell-bound keratinases are produced by incubating T. mentagrophytes for several days in growth medium, at a pH of 7.8, containing horse hair, magnesium salt, thiamine, pyridoxine and inositol. Preferably, glucose is also included. These keratinases are extracted from the fungus mycelium after filtering off the growth media, partially purifying the enzymes by adsorbing them separately on diethylaminoethyl cellulose and carboxymethyl cellulose. The first enzyme which is eluted from the diethylaminoethyl cellulose and purified by molecular sieves has a molecular weight of 440,000. The second enzyme which is eluted from the carboxymethyl cellulose and purified by molecular sieves has a molecular weight of 20,300. Physicochemical properties as well as their keratinolytic activities have been determined.
    • 通过在含有马毛,镁盐,硫胺素,吡哆醇和肌醇的pH为7.8的生长培养基中温育T. mentagrophytes数天来产生两种细胞结合的角蛋白酶。 优选还包括葡萄糖。 过滤出生长培养基后,从真菌菌丝体中提取这些角质化酶,通过将其分别吸附在二乙基氨基乙基纤维素和羧甲基纤维素上来部分纯化酶。 从二乙基氨基乙基纤维素洗脱并用分子筛纯化的第一种酶的分子量为44万。 从羧甲基纤维素洗脱并用分子筛纯化的第二种酶的分子量为20,300。 已经确定了物理化学性质以及它们的角质溶解活性。
    • 2. 发明授权
    • Dilution method and apparatus for measurement of fluid flow rate
    • 用于测量流体流量的方法和装置
    • US3678922A
    • 1972-07-25
    • US3678922D
    • 1971-01-14
    • UNIV TEMPLE
    • PHILIPS CHARLES MSANMARCO MIGUEL E
    • A61B5/0275G01F1/68G01F1/704A61B5/02
    • G01F1/704A61B5/0275G01F1/68
    • A dilution technique for measuring fluid flow rate within a circulating fluid system is disclosed, comprising continuous processing of a response signal following injection of an injectate into the fluid system, the process being terminated at a cut off point which is determined in terms of the peak of the response signal. The cut off point of the response signal is determined to compensate for error normally introduced due to recirculation. Apparatus is disclosed for carrying out the steps of the process, comprising an integrator-divider for processing the response signal, a peak detector and comparator for terminating the signal processing at the cut off point, and a lock in amplifier to hold the computed result during the period of recirculation. The method and apparatus for particularly applicable to thermal dilution and dye dilution measurements of blood flow rate.
    • 公开了一种用于测量循环流体系统内的流体流速的稀释技术,包括在将注射器注射到流体系统中之后连续处理响应信号,该过程在切断点处终止,该切断点根据峰值 的响应信号。 确定响应信号的截止点以补偿由于再循环而通常引入的误差。 公开了用于执行该过程的步骤的装置,包括用于处理响应信号的积分器分频器,用于终止在截止点处的信号处理的峰值检测器和比较器,以及用于保持计算结果的锁定 循环的时期。 用于特别适用于血液流速的热稀释和染料稀释测量的方法和装置。