Ammonium sulphate
Glyoxal uptake on ammonium sulphate seed aerosol: reaction products and reversibility of uptake under dark and irradiated conditions
... compounds resulting from condensed phase reactions with ammonium sulphate seed have been detected in aerosol. Organosulphates were not detected under dark condi- tions. However, active oxidative ...
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Effect of Delaying Sporulation by Addition of Ammonium Sulphate on the Fermentation of Palm Kernal Cake Based Substrate by <i>Aspergillus niger</i>
... the ammonium sulphate added to the medium, the lower the NDF and ADF contents of PKC, although the differences of NDF content were not significant for 3 days and 4 days ...the ammonium ...
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Analysis of the hygroscopic and volatile properties of ammonium sulphate seeded and un-seeded SOA particles
... the sulphate begins due to wall losses such that by 6 h after lights on the sulphate mass concentration has been reduced to approximately 50% of its ...
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PREPARATION OF CONJUGATE FOR USE IN AN ELISA FOR HUMORAL IMMUNE RESPONSE AGAINST EGG DROP SYNDROME VIRUS IN LAYER CHICKS
... An indirect enzyme-linked immunosorbent assay (ELISA) was performed for the detection of antibodies against Egg Drop Syndrome (EDS) virus. Virus identification was done through haemaggluti- nation inhibition (HI) test ...
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Growth, Sporulation and Production of Bioactive Compounds by Bacillus subtilis R14
... The soil, a natural habitat for B. subtilis, contains numerous anaerobic microenvironments, and many genes required for antibiotic production by B. subtilis are induced by oxygen limitation (Nakano and Zuber, 2002). The ...
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Studies on a novel serine protease of a ΔhapAΔprtV Vibrio cholerae O1 strain and its role in hemorrhagic response in the rabbit ileal loop model.
... Construction of CHA6.8DprtVDVC1649 deletion mutant The CHA6.8DprtVDVC1649 deletion mutant was constructed as described in the text and confirmed by internal primers for hapA, prtV and VC1649 as shown in Fig. 3A. PCR with ...
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BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
... the ammonium sulphate precipitation was loaded onto the column and isocratic elution was carried out with ...M ammonium sulphate in 10mM Tris- HCl (pH ...
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Fermentação do caldo da cana de açúcar (Saccharum officinarum L.) var. Co. 290. Influência da adição de sais de amônio e farelo de arroz sôbre o rendimento alcoólico(*).
... The best alcohol yields are obtained when the juice is enriched with 0.1 per cent ammonium sulphate or phosphate, plus rice polishings at the same rate.. The rice polishings seem to be[r] ...
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Braz. J. Chem. Eng. vol.25 número2
... crystalline ammonium sulphate, assuming isothermal (348 K) and hydrodynamic (average residence time of suspension in a crystallizer: 900 s) process ...barium sulphate crystals were estimated on the ...
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Isolation and purification of bromelain from waste peel of pineapple for therapeutic application
... To achieve the required characteristics for pharmaceutical usage, many approaches have been used to increase the purity and specific activity of bromelain from pineapple peel, stem and fruit. These include liquid-liquid ...
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Partial Purification of Milk Clotting Protease
... with ammonium sulphate and ion exchange chromatography. The ammonium sulphate precipitate showed five fractions (AS1– 0-20%; AS2 – 20-40%; AS3 – 40- 60%; AS4 – 60-80%; AS5 – 80-100%) and among ...
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Evaluation of Nutrient Supplementation to Charcoal- Treated and Untreated Rice Straw Hydrolysate for Xylitol Production by Candida guilliermondii
... factor B (nutrient supplementation) during xylitol production. This meant that the best results were provided by the hydrolysate treated with activated charcoal without the addition of ammonium sulphate, ...
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Implementação de novas estratégias na purificação da enzima catecol-O-metiltransferase Humana
... Up until now, AS has been described as a salt commonly used for modulating binding and elution of proteins in HIC. Based on the surface tension effects and preferential interactions with proteins, AS is considered to be ...
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Rev. Esc. Minas vol.67 número3
... Figure 3 Detonation velocity of the explosive mixes. Figure 4 shows the variation of the average of the detonation velocity for dif- ferent mixes used in the tests. It can be observed that the mixing of ammonium ...
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Glyoxal processing by aerosol multiphase chemistry: towards a kinetic modeling framework of secondary organic aerosol formation in aqueous particles
... for ammonium sulfate and ammonium sulfate/fulvic acid seeds are summarized in Table ...mixed ammonium sulfate/ fulvic acid particles is about a factor of three higher than in pure ammonium ...
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Study of non-conventional fuels for explosives mixes Estudo de combustíveis não-convencionais para misturas explosivas
... Regarding the results presented, bio- diesel showed satisfactory performance in relation to other fuels. In the field, during the preparation of the mixtures, better interaction was observed between the liquid fuel ...
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Differences in nitrogen metabolism between Cryptococcus neoformans and C. gattii, the two etiologic agents of cryptococcosis.
... Two members of the Cryptococcus neoformans-gattii species complex, the etiologic agents of cryptococcosis, can be differentiated by biological, biochemical, serological and molecular typing techniques. Based on their ...
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Anaerobic ammonium oxidation, denitrification and dissimilatory nitrate reduction to ammonium in the East China Sea sediment
... However, there is currently no method to assess the influence of DNRA on anam- mox and denitrification. Moreover, if nitrate is stored intracellularly by nitrate storing organisms, use of the isotope pairing technique is ...
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AMMONIA VOLATILIZATION IN NO-TILL SYSTEM IN THE SOUTH-CENTRAL REGION OF THE STATE OF PARANÁ, BRAZIL
... source) to 11.5 % (ammonium nitrate) in comparison to surface-applied urea. Based on the market values of these products over the past ten years, the cost of ammonium sulfate and ammonium nitrate per ...
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Modelling an Ammonium Transporter with SCLS
... The simulation which represents an extracellular pH around 7 (Figure 6) shows a decreased inter- nalisation speed with respect to the simulation in Figure 4, as could be inferred from the concentrations of NH4 inside and ...
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