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Journals and Conferences
The epitopes of a homohexameric food allergen protein, cashew Ana o 2, identified by two monoclonal antibodies, 2B5 and 1F5, were mapped by solution-phase amide backbone H/D exchange (HDX) coupled with Fourier transform ion cyclotron resonance mass spectrometry (FTICR MS) and the results were compared to previous mapping by immunological and mutational… (More)
alpha-Amylase from mung beans (Vigna radiata) being one of the few plant alpha-amylases purified so far was studied with respect to its conformational stability by CD and fluorescence spectroscopy. The enzyme was shown to bind 3-4 Ca(2+) ions, which all are important for its activity. In contrast to other alpha-amylases no inhibition was observed at high… (More)
BACKGROUND IgE-reactive proteins have been identified in almond; however, few have been cloned and tested for specific patient IgE reactivity. Here, we clone and express prunin 1 and prunin 2, isoforms of the major almond protein prunin, an 11S globulin, and assay each for IgE reactivity. METHODS Prunin isoforms were PCR-amplified from an almond cDNA… (More)
A simple, inexpensive and fast method for immobilizing α-amylase from mung bean (Vigna radiata) on Fuller’s earth was developed. For best immobilization (81% activity) the conditions were optimized with activation pH of 5.5 and 350 mg of Fuller’s earth with 6 mg/ml of protein. The optimum pH was slightly shifted towards alkaline side from 5.5 to 5.7,… (More)
Critical investigation of the effect of yttrium and cerium ions in culture media for nitrogen-fixing bacteria showed strong inhibition. There was a decrease in the amount of nitrogen fixed; simultaneously, in the samples containing cerium ions, carbon consumption values increased as the molarity of metal ion was enhanced. Inhibition rate was invariably… (More)
The best source of carbon, when used as the sodium salt of organic acids, is sodium salicylate which shows highest nitrogen fixation and also appreciably large amounts of nitrogen fixed per g carbon consumed. Next in order is sodium benzoate, then oxalate. Sodium citrate is followed by sowium acetate in the order of decreasing efficiency.
The effect of inorganic and organic nitrogenous compounds on microbial nitrogen fixation with respect to the fixation cycle was investigated. Various nitrogenous compounds were added to the nutrient solution in concentrations of 2.5 mM and 5 mM. After incubation with the bacteria for fifteen days, the nitrogen and carbon contents were estimated.
Mixtures containing diammonium hydrogen phosphate, ammonium molybdate, and minerals in presence of p-nitroaniline resulted in formation of glycine, methionine, phenylalanine, tryptophan, and tyrosine. Proline and valine were observed in a few tubes. When p-phenylene diamine was present in the mixture, glycine was absent, while isoleucine and leucine were… (More)
If an aqueous mixture of ammonium molybdate, diammonium hydrogen phosphate, biological minerals, and formaldehyde is exposed to sunlight, typical "Jeewanu", mixtures are observed. However, if a little solution of p-phenylene diamine, p-nitroaniline, alpha-naphthylamine or beta-naphthyl amine is added to it, a dense white precipitate is obtained. This… (More)