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Acid and base

Preparation of lapachol derivatives in acid and base media: proposed experiments for Organic Chemistry laboratory classes.

Preparation of lapachol derivatives in acid and base media: proposed experiments for Organic Chemistry laboratory classes.

... IN ACID AND BASE MEDIA: PROPOSED EXPERIMENTS FOR ORGANIC CHEMISTRY LABORATORY ...to acid-base concepts in organic chemistry and the use of its derivatives β-lapachone and ...

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Acid-Base Buffering Properties of Five Legumes and Selected Food in vitro

Acid-Base Buffering Properties of Five Legumes and Selected Food <i>in vitro</i>

... cowpea and chickpea ...fibers and minerals with the added acid and base, resulting in a higher amount of acid mopped up before attaining pH 2 than the amount of base ...

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Effects of acute normovolemic anemia on hemodynamic parameters and acid-base balance in dogs

Effects of acute normovolemic anemia on hemodynamic parameters and acid-base balance in dogs

... hemodynamic and acid-base status of dogs subjected to acute normovolemic ...minutes and 24 hours after induction of anemia (hematocrit below 18%) with blood withdrawal and ...

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Kinetics of acid-base parameters in conventional hemodialysis

Kinetics of acid-base parameters in conventional hemodialysis

... gas-based acid- base parameters during the interdialytic period in stable chronic hemodialysis patients with clinical characteristics similar to the typical hemodialysis population in Brazil ...equipment ...

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Role of acid-base interactions in synthesis of cordierite from talc and sillimanite group minerals

Role of acid-base interactions in synthesis of cordierite from talc and sillimanite group minerals

... talc and silica additives in grinding-activating devices with periodic and flow action provides significant acceleration of their interaction with formation of cordierite at the subsequent high-temperature ...

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Experimental antegrade enema: effects on water, electrolyte and acid-base balances with different solutions

Experimental antegrade enema: effects on water, electrolyte and acid-base balances with different solutions

... electrolyte and acid-base balances alterations caused by several solutions which are already used at the clinic for antegrade enema ...(liquid and clear feces) between times T2 and ...

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Carbonic anhydrase 5 regulates acid-base homeostasis in zebrafish.

Carbonic anhydrase 5 regulates acid-base homeostasis in zebrafish.

... dioxide and bicarbonate between tissues, acid-base balance and biosynthetic reactions (glucogenesis, lipogenesis and ureagen- esis) ...epilepsy and osteoporosis [4] Therefore, ...

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Associations between Dietary Acid-Base Load and Cardiometabolic Risk Factors in Adults: The Tehran Lipid and Glucose Study

Associations between Dietary Acid-Base Load and Cardiometabolic Risk Factors in Adults: The Tehran Lipid and Glucose Study

... dyslipidemia, and hypertension that can lead to diabetes and cardiovascular ...25% and it is usually caused by obesity and decreased physical activity ...Health and Nutrition ...

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The pKa of acid-base indicators and the influence of colloidal systems.

The pKa of acid-base indicators and the influence of colloidal systems.

... OF ACID-BASE INDICATORS AND THE INFLUENCE OF COLLOIDAL ...in acid-base ...blue and bromocresol green in aqueous ...bromide and a polymeric non-ionic F127 ...

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Contextualizing acid-base reactions according to Brönsted-Lowry protonic theory using propranolol and nimesulide tablets.

Contextualizing acid-base reactions according to Brönsted-Lowry protonic theory using propranolol and nimesulide tablets.

... CONTEXTUALIZING ACID-BASE REACTIONS ACCORDING TO BRÖNSTED-LOWRY PROTONIC THEORY USING PROPRANOLOL AND NIMESULIDE ...nimesulide and propranolol tablets were used to teach chemical concepts ...

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Acid-base balance of dairy cows and its relationship with alcoholic stability and mineral composition of milk

Acid-base balance of dairy cows and its relationship with alcoholic stability and mineral composition of milk

... of acid-base disorders with the alcoholic stability of milk from animals in the field, and to evaluate differences between the mineral composition of milk that was both stable and unstable in ...

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The acid-base properties of 4,4'-dithiodipyridine.

The acid-base properties of 4,4'-dithiodipyridine.

... THE ACID-BASE PROPERTIES OF ...studies and as a re- markable bridged-ligand on conducting electronic density in binuclear mixed valence complexes, there is no data available in the literature ...

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Application of a thiazolylazo dye as an acid-base indicator and determination of its acid ionization constants.

Application of a thiazolylazo dye as an acid-base indicator and determination of its acid ionization constants.

... 11.54 and 290 – 720 ...of acid-base. The results were compared with phenolphthalein and bromocresol green ...t and F tests indicated that there were no statistically signiicant ...

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Antiretroviral agents and acid-base balance at delivery of the neonate

Antiretroviral agents and acid-base balance at delivery of the neonate

... neurological and cognitive development of children exposed to HIV but not infected with the virus ...scores and fetal and neonatal death ...pH and gas analysis are increas- ingly recognized as ...

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J. Braz. Chem. Soc.  vol.24 número11

J. Braz. Chem. Soc. vol.24 número11

... control and typification for foods in ...“fingerprint”, and may be useful to monitor frauds and deterioration of diverse types of ...methylation and gas chromatography (GC) analysis. In this ...

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The teaching of historical and philosophical aspects of chemistry and the XX century's acid-base theories.

The teaching of historical and philosophical aspects of chemistry and the XX century's acid-base theories.

... maiores forças da Ciência. Por exemplo, quando Mendeleiev apresentou sua Classificação Periódica, ele previu, com base na mesma, a existência de três novos elementos e sua posterior descoberta mostrou a ...

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Model for acid-base chemistry in nanoparticle growth (MABNAG)

Model for acid-base chemistry in nanoparticle growth (MABNAG)

... ing 2011. Samples were collected on acid impregnated filters through PTFE mem- brane filter. Extracts from filters were analysed using high performance liquid chro- matography electro spray ionisation ion trap ...

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Acid/base and complexation properties of humic and fulvic acids isolated from vermicompost.

Acid/base and complexation properties of humic and fulvic acids isolated from vermicompost.

... ácido base foram realizadas com 25,00 mL de solução de ácido fúlvico ou suspensão de ácido húmico, ambos na concentração de 0,500 g L -1 e em meio iônico predominante ...

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Surface/bulk partitioning and acid/base speciation of aqueous decanoate: direct observations and atmospheric implications

Surface/bulk partitioning and acid/base speciation of aqueous decanoate: direct observations and atmospheric implications

... ions and small molecules to equilibrate (Winter and Faubel, ...acids and their corresponding anionic bases, such as the Dec − /DecH pair investigated here, have however in some cases been observed to ...

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Acid-base reactions: concept, representation and generalization from the energy involved in transformations.

Acid-base reactions: concept, representation and generalization from the energy involved in transformations.

... na porcentagem de acertos e grande parte das respostas consideradas corretas apresentavam íons, que não participam da transformação química, dos dois lados da equação. Este fato justiica a diiculdade encontrada na ...

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