There were substantiated the expediency of the using for the determination of identity of Cassia acutifolia Del. leaves of spectrophotometry and TLC. As the results of the chemical study of Cassia acutifolia leaves there were isolated the predominant components of this plant 1,7-dihydroxy-3carboxyanhraquinone, 8-O-β-D-glucopyranoside of torachrysone, kaempferol-3-O-gentiobioside and on this bas...

Three turbidometric methods and one method using ultraviolet spectrophotometry for estimating total cerebrospinal fluid protein have been examined. The necessity for preliminary dialysis renders the ultraviolet method unsuitable for routine use. The turbidometric method of Meulemans (1960) using a sulphosalicylic acid-sodium sulphate precipitating fluid is better than a method using sulphosalic...

Aspergillus oryzae was used to enhance the mobilization of antioxidants of soybean matrix along with garlic as a co-substrate by modulating polyphenolic substances during solid-state fermentation. Mobilized polyphenols were used as a green tool for synthesis and stabilization of gold nanoparticles (AuNPs). The radiation-induced AuNPs synthesis is a simple, clean and inexpensive process which in...

in accordance with the article of Fletcher et a13 who systematically tested the accuracy of this catheter system in humans. He also found a consistent underestimation of the fiberoptic pulmonary artery catheter SvO2 values below 50% compared with direct spectophotometry and proposed two equations to adjust the catheter measurements: (1) Catheter=-11.68+1.1892XCOOX (2) Catheter=COOX-210.997 exp ...

There has been a remarkable increase in the interest shown to trace metal contents in various foodstuffs, since various heavy metals have been shown to be invariably present in environment and in the foodstuffs with the development of analytical methods and techniques. Lead and cadmium have been recognized as important environmental pollutants with toxic effects on human at relatively low level...

Photoreactions of the fourth rhodopsin-like pigment, phoborhodopsin (pR480), of Hulobacrerium halobium were studied by low-temperature spectrophotometry. Upon irradiation of pR480 at -80 as well as 170°C with 436 nm light, a new intermediate having a difference absorption maximum at about 520 nm was produced. We designate this intermediate ‘P520’. Prolonged irradiation caused the formation of a...

Borax is a chemical compound that contains the element Boron (B). The purpose of this study to determine whether meatballs circulating in various markets Indonesia contain borax, what levels, and how compare results analysis with methods based on literature study. design research use method which done by studying journals about tracing borax using methods. quantitative test used alkalimetric ti...

The post-antibiotic effects of gentamicin and ciprofloxacin at 1x, 2x and 4x MIC on Escherichia coli ATCC 25922, Pseudomonas aeruginosa ATCC 27853 and Staphylococcus aureus ATCC 29213 were studied using a spectrophotometric method and the classic method of viable counts on agar as a reference. Monitoring of the growth kinetics was carried out by viability counting on the plate every hour and by...