Javascript must be enabled to continue!

Ultrasonic Measurement of Bacteriorhodopsin in Purple Membrane

Ultrasonic properties of bacteriorhodopsin which is a light-driven proton pump in purple membrane were studied in the dark as well as under illumination. A xenon lamp was added as a light source to a previously developed ultrasonic resonator. Bacteriorhodopsin showed no ultrasonic relaxation in the frequency range of a few megahertz. The adiabatic bulk modulus of bacteriorhodopsin estimated from ultrasonic velocity was about 4×1010 dyn/cm2 in the dark. When bacteriorhodopsin was illuminated, the ultrasonic velocity increased significantly in proportion to the intensity of light.

IOP Publishing

Toshiyo Jippo Ryoichi Kataoka Shigeki Mitaku Akira Ikegami

Japanese Journal of Applied Physics

2014

Title: Ultrasonic Measurement of Bacteriorhodopsin in Purple Membrane

Description:

Ultrasonic properties of bacteriorhodopsin which is a light-driven proton pump in purple membrane were studied in the dark as well as under illumination.

A xenon lamp was added as a light source to a previously developed ultrasonic resonator.

Bacteriorhodopsin showed no ultrasonic relaxation in the frequency range of a few megahertz.

The adiabatic bulk modulus of bacteriorhodopsin estimated from ultrasonic velocity was about 4×1010 dyn/cm2 in the dark.

When bacteriorhodopsin was illuminated, the ultrasonic velocity increased significantly in proportion to the intensity of light.

Back

Related Results

Procedure for Western blot v1

Goal: This document has the objective of standardizing the protocol for Western blot. This technique allows the detection of specific proteins separated on polyacrylamide gel and t...

Physico-chemical exploration of Yam Flour (Dioscorea alata L.) as a raw material for processed cookies

Abstract Yam (Dioscorea alata L.) is a vine and twisted stems plant, which are easily wrapped around poles. Yam is a perennial tuber plant grown as an annual plant. ...

Pengaruh Penambahan Tepung Ubi Jalar Ungu dan Karagenan terhadap Kualitas Mi Basah Ubi Jalar Ungu (Ipomoea batatas cv. Ayamurasaki)

Abstrak. Mi merupakan salah satu makanan olahan tepung terigu yang terkenal di Indonesia dan Asia. Mi basah merupakan salah satu jenis mi paling banyak digunakan di masyarakat. Pad...

Proton Polymer Electrolytes in Fuel Cell

The electrolyte is one of the main parts of a fuel cell. That is divided into liquid and solid and it is used in both Alkaline and acidulous PH. But with due to kind of electrolyte...

Effects of Ultrasonic Waves During Waterflooding for Enhanced Oil Recovery

Ultrasonic waves is an unconventional enhanced oil recovery (EOR) technology and has been a point of interest as it is more economical and environmentally friendly. Numerous resear...

Design principles for robust vesiculation in clathrin-mediated endocytosis

AbstractA critical step in cellular trafficking pathways is the budding of membranes by protein coats, which recent experiments have demonstrated can be inhibited by elevated membr...

PROSES PRODUKSI PIE UBI UNGU

Purple sweet potato pie is a processed food made from the main ingredients of wheat flour and purple yams, and some other additives are margarine, refined sugar, milk and eggs. The...

Optimization of ultrasonic extraction of Lycium barbarum polysaccharides using response surface methodology

Abstract Ultrasonic extraction was a new development method to achieve high-efficiency extraction of Lycium barbarum polysaccharides instead of hot water extraction....

Email:
Password:

Email: