The abnormal content of hemoglobin in human body can lead to several diseases such as anemia, thalassemia, leukemia, heart disease. Therefore, it is very important for sensitive detection of hemoglobin in clinical analysis. An electrochemical approach is presented for detecting hemoglobin using ...

Utility and limitation of the title reaction was studied. When (E)-3-(4-t-butyl- and 4-phenylcyclohex-1-en-1-yl)-2-(trimethylsilylmethyl)prop-2-en-1-ols were treated with Ms2O or MsCl, 3-t-butyl- and 3-phenyl-8-methylbicyclo[4.3.0]nona-1(6),7-dienes were obtained, respectively. The corresponding...

Full experimental details for the directed ortho metalation approch to a variety of simple ortho-substituted N,N-diethyl benzamides (Table 1) and contiguously 1,2,3- and 1,2,3,4-substituted benzamides (Tables 2) are given. The efficient conversion of these benzamides (6, 10, 12, 13, 18, 19) into...

The hepatic metabolism of arylamine bladder carcinogens to N-hydroxy arylamine N-glucuronides, their excretion in the urine, and their subsequent acidic hydrolysis to highly carcinogenic and reactive N-hydroxy arylamines have been proposed as essential steps in arylamine-induced urinary bladder ...

Glucuronoyl esterases (GEs) are microbial enzymes with potential to cleave the ester bonds between lignin alcohols and xylan-bound 4-O-methyl-d-glucuronic acid in plant cell walls. This activity renders GEs attractive research targets for biotechnological applications. One of the factors impedin...

FT-IR and FT-Raman spectra of ethyl 3-(E)-(anthracen-9-yl)prop-2-enoate were recorded and analyzed. The conformational behavior of the molecule was also investigated. The vibrational wavenumbers were calculated using DFT quantum chemical calculations. The data obtained from the wavenumber calcul...

Vitamin C concentration in human plasma was shown to be affected by storage time and temperature as well as by the kind of stabilizer used. Samples were stored for periods of time up to 21 days at temperatures of 25°, 4°, − 20°, and − 70°. Stabilizers employed in this study included trichlor...

A simple, rapid and reliable method was developed for quantifying ascorbic (AA) and dehydroascorbic (DHAA) acids and validated in 20 mM malate buffer (pH 3.8). It consists in a spectrophotometric measurement of AA, either directly on the solution added with metaphosphoric acid or after reduction...

The present study was executed to investigate the kinetics of the biodegradation of glyphosate in an aqueous medium. Three bacterial strains (Streptomyces sp., Bacillus subtilis, and Rhizobium leguminosarum) with excellent glyphosate-degrading capabilities were isolated from the agricultural soi...

Ascorbic acid or vitamin C is mostly found in natural products such as fruits and vegetables. Ultra performance liquid chromatography (UPLC) method has been developed to compare the ascorbic acid content in some fresh fruits (apple, orange) and vegetables (carrot, beet, cherry tomato) extracts w...

In this study, cellulose was chemically modified through the addition of the phosphorylating agent, metaphosphoric acid in order to obtain a new material (MPCel) with higher adsorptive properties than the starting material. Both materials were characterized by infrared spectroscopy, X-ray diffra...

Porous titanium with entangled wire structure was enhanced by filling gelatin into the porous structure to form a titanium-gelatin (Ti-G) composite. The density of the composites was 1.6–2.5 g/cm3, similar to that of bone. The strength and elastic modulus of the composites reached 12.9–39.4 MP...

The adsorption of Acid Yellow 99 (AY99) onto polyacrylonitrile/activated carbon (PAN/AC) composite was investigated in aqueous solution in a batch system with respect to contact time, pH and temperature. Experimental data indicated that the adsorption capacity of (PAN/AC) composite for AY99 was ...

The interaction of Acid Yellow 99 (AY 99) with coir pith has been investigated in aqueous medium to understand the mechanism of adsorption and explore the potentiality of this biomass towards controlling pollution resulting from textile dyes. The obtained results establish that one gram of coir ...

The adsorption behaviour of the textile dye Acid yellow 99 onto Aspergillus niger biomass in aqueous medium has been investigated to explore the biomass efficacy in combating pollution and to understand the mechanisms of the phenomenon. The maximum adsorption capacity is found to be 544.30 mg g−...

Twenty species of brown algae belonging to the Chordariales, Ralfsiales, Dictyosiphonales, Scytosiphonales, Desmarestiales, Laminariales and Fucales orders were investigated for their fatty acid composition by capillary gas chromatography. Polyunsaturated fatty acids (PUFAs) with 18 and 20 carbo...

In this study, we developed a multiresidue method for the analysis of 310 pesticides in representative agricultural produce (brown rice, orange, and spinach) using ultra high performance liquid chromatography–tandem mass spectrometry (UHPLC-MS/MS) combined with a modified QuEChERS procedure. Th...

SummaryHibernation is an adaptation that helps many animals to conserve energy during food shortage in winter. Brown bears double their fat depots during summer and use these stored lipids during hibernation. Although bears seasonally become obese, they remain metabolically healthy. We analyzed ...

ABSTRACTEndogenous production of α-dicarbonyls by lactic acid bacteria can influence the quality and consistency of fermented foods and beverages. Methylglyoxal (MG) in Parmesan cheese can contribute toward undesired browning during low temperature ripening and storage conditions, leading to th...

ObjectiveBrown and beige adipocytes in humans and rodents are specialized to burn lipidsfor heat generation as a natural defense against coldand obesity, which is advantageous to metabolic homeostasis. MicroRNAs as another regulatory layer to regulate metabolic homeostasis attracted a lot of att...