Topic
Benzoic acid
About: Benzoic acid is a research topic. Over the lifetime, 11832 publications have been published within this topic receiving 167127 citations. The topic is also known as: Retardex & E210.
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TL;DR: In this article, the adsorption of benzoic acid from water on cetyl trimethylammonium exchanged montmorillonite (CTAB-montmorillonites) is reported.
59 citations
TL;DR: In this article, tunable holes and vacancies in nickel hydroxide (h-Ni(OH)2) by the Ostwald ripening process are successfully fabricated, and the as-prepared electrocatalysts are used for the selective ECO of alcohols into acids or aldehydes with excellent electrocatalysis activity and stability.
59 citations
TL;DR: Differently modified TiO2 nanotubes were used to achieve a drastic change in the selectivity of a photocatalytic reaction, and certain undesired reaction pathways can be completely shut down.
Abstract: Differently modified TiO2 nanotubes were used to achieve a drastic change in the selectivity of a photocatalytic reaction. For the photocatalytic oxidation of toluene, depending on the electronic properties of TiO2 (anatase, rutile, Ru-doped), a strong change in the main reaction product (namely benzoic acid versus benzaldehyde) can be achieved, and certain undesired reaction pathways can be completely shut down.
58 citations
TL;DR: The blood glucose level lowering activity of p-[2-(5-chloro-2-methoxy-benzamido)ethyl]benzoic acid (HB699, 2), is discussed in terms of binding at putative insulin-releasing receptor sites of pancreatic beta cells.
Abstract: The blood glucose level lowering activity of [(acylamino)ethyl]benzoic acids, such as p-[2-(5-chloro-2-methoxy-benzamido)ethyl]benzoic acid (HB699, 2), is discussed in terms of binding at putative insulin-releasing receptor sites of pancreatic beta cells. The hypoglycemic potencies found for synthetic analogues of 2 indicate that high hypoglycemic activity is only found when a carboxyl group or a group that is readily oxidized to carboxyl in vivo, such as methyl, is attached to the aromatic ring of the phenethyl group. It is proposed that this carboxyl group is able to bind at the same receptor site as the SO2NHCONH group of the sulfonylurea drugs, such as tolbutamide (3). The role of the benzamide group in 2 was attributed to protein binding.
58 citations
TL;DR: In this paper, a field study was conducted to determine if the effect observed in previous laboratory studies would also occur in situ under field conditions, where plots were treated with unadulterated bovine urine (56 mM hippuric acid), the same bovina urine amended with either benzoic acid (34 mM), dicyandiamide (DCD) or varying rates of hippurric acid (up to 90 mM).
Abstract: Previous laboratory studies have demonstrated that hippuric acid, a ruminant urine constituent, can mitigate nitrous oxide (N 2 O) emissions from simulated urine patches. Hippuric acid has the potential to be a N 2 O mitigation tool because animal diets can be manipulated to adjust its concentration in the urine. This study was conducted to determine if the effect observed in previous laboratory studies would also occur in situ under field conditions. In our field study, plots were treated with unadulterated bovine urine (56 mM hippuric acid), the same bovine urine amended with either benzoic acid (34 mM), dicyandiamide (DCD) or varying rates of hippuric acid (up to 90 mM). Soil inorganic-N, N 2 O fluxes, and plant N responses were monitored over a 78 d period. Effects on microbial communities were monitored by determining the size and structure of nitrite oxidizer ( nxrA ) and nitrite reducer ( nirS ) bacterial populations using real-time PCR and denaturing gradient gel electrophoresis (DGGE), respectively. Decreases in N 2 O emissions, with increasing hippuric and benzoic acid concentrations, were only seen on Day two of the trial. With the exception of the DCD treatment (0.60% of N applied) the amended urine treatments did not significantly affect emissions of N 2 O as a percentage of N applied (1.28–1.65%). Soil inorganic-N and plant response were not affected by urinary amendment, except in the DCD treatment where nitrification inhibition occurred. Nitrite oxidizer community structures shifted and increased approximately 5.4-fold in size over 48 d in response to urine, although no specific response to elevated hippuric acid or benzoic acid was observed. No treatment effects were observed on community structure of the nitrite reducing bacteria but averaged over time the highest rate of hippuric acid significantly decreased nirS gene copy numbers g −1 soil. We concluded that under the conditions of this field study, increasing hippuric or benzoic acid concentrations in bovine urine had no effect on N 2 O mitigation in situ . We argue that the discrepancy with previous laboratory studies may be related to differences in soil pH, microbial communities and the presence of vegetation. Further research is needed to determine the potential for hippuric acid as a tool to mitigate N 2 O emissions, and its effect(s) on resident N cycling microorganisms.
58 citations