The effects of temperature on protein synthesis by Escherichia coli, a mesophile, and Pseudomonas fluorescens, a psychrotroph, were investigated by using whole-cell and cell extract preparations. After shifts to 5°C, protein was synthesized at a slowly decreasing rate for 1 h by both organisms, after which P. fluorescens synthesized protein at a new rate corresponding to its 5°C growth rate, in...

Let G denote a locally compact abelian topological group (an l.c.a. group) with dual group C\ We will denote by A7(G) the Banach algebra of bounded regular Borel measures on G under convolution multiplication and by L(G) the algebra of bounded measures absolutely continuous with respect to Haar measure on G (for discussions of these Banach algebras cf. [1], [2], and [5]). In this paper we shall...

Very low temperatures stress a circuit breaker in a complex manner. Mixed-gas circuit breakers were developed for use at temperatures as low as -50C. These breakers utilize a gas mixture of SF6 and CF4 or SF6 and N2 to prevent condensation of the SF6 gas and have been type tested at -50C to ensure travel characteristics, operating times, and gas tightness are acceptably affected. Today’s mixed-...

We made a case-control study to investigate a possible association between ALOX5AP-SG13S114A/T, COX-2-765G/C, and COX-1-50C/T polymorphisms with cerebral infarction in a Chinese population. A total of 411 cases with cerebral infarction were included; 411 controls matched for age, gender, and risk factors were also selected. The ALOX5AP-SG13S114A/T (rs10507391), COX-2-765G/C (rs20417), and COX-1...

Preservation of canine spermatozoa at 50C is a helpful method for dog breeding management. However, in many species, oxidative damage due to generation of reactive oxygen species (ROS) and long term storage which specifically cause DNA damage, and lipid peroxidation during preservation techniques can cause a decline of sperm motility and fertility capacity. In this study, the effect of antioxid...

A voltage reference is an essential building block of many analog and digital circuits. The performance of a reference is gauged by the maximum variation in its allowable operating conditions. One of the most important specifications of a reference is its temperature drift. Therefore, special attention should be paid by the designer to the thermal behavior of a voltage reference. In this thesis...

Pendahuluan: Minuman kemasan jambu biji merah memiliki kandungan vitamin C. Vitamin C atau asam askorbat mempunyai sifat yang dapat larut dalam air dan teroksidasi. Faktor mengoksidasi C, seperti suhu pH. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh penyimpanan terhadap kadar minuman dijual di kota Bekasi. Metode: Metode digunakan analisis kualitatif kuantitatif. Analisis menggun...

A well-designed nanostructure CNT@TiO2-C with fine anatase TiO2 particle (< 8 nm), good electronic conducting network (inner CNT core and outer carbon layer), and mesoporous structure was prepared by a simple and green one-pot hydrothermal reaction. The utilization of glucose in the hydrothermal process not only solves the interfacial incompatibility between CNTs and titanate sol and controls t...