A novel H3PO4 etching strategy together with subsequent carbon coating has been developed for the synthesis of carbon-coated Fe3O4 microspheres with a porous multideck-cage structure. These carbon-coated Fe3O4 microspheres manifest high specific capacity (∼1100 m h g(-1) at 200 mA g(-1)) and excellent cycling stability for lithium storage.

The absence of pyrimidine dimer excision after UV irradiation in rat cell line was confirmed. The possibility of excision repair system depression by acidification of medium with H3PO4 in HeLa cells has been proved. The results obtained by two different methods of deproteinization and DNA isolation are in good conformity.

In near-neutral solutions, the effects of NH4HF2, H3PO4, phytic acid (IP6), and EDTA-ZnNa2 concentration on corrosion resistance Zn amount micro-arc oxidation (MAO) coatings were revealed by an orthogonal experiment. The influencing order four factors coating is > NH4HF2 IP6 while sequence ranked as H3PO4 IP6. fabricated Zn-containing exhibit excellent resistance, their icorr values are two ...

The development of new surfaces, highly sticky and conducting, is a great challenge in the field microdevices fabrication, more precisely for 3D assembly microcomponents. Such surfaces were prepared by electrochemical deposition polyaniline films. films from phosphoric acid solution adhesive than ones obtained other acids. Indeed, adhesion H3PO4 was found to be high (> 1 µN) stable time, as sho...

Biomass is an important energy source because it easily accessible, contributes to the protection of environment, and can be used in industry. resources classified as plants, vegetable animal wastes, urban industrial wastes. Highly active catalysts prepared by physical chemical activation methods. Here, Microcystis aeruginosa was a biomass metal-free catalyst synthesized. The production conditi...

InfraRed Multiple Photon Dissociation (IRMPD) spectroscopy was used to assay the structural features of the fragment ions resulting from the elimination of H3PO4 in the Collision-Induced Dissociation (CID) of protonated serine. The results are interpreted with the aid of density functional theory calculations. Experiment and theory point to an aziridine-ring structure, implying participation of...

Biomass upgrading is a promising approach to face the current energy consumption and chemicals production. Lignocellulosic biomass residues have taken lead in this field. In study, hemp residue-based activated carbons (ACs) were prepared by H3PO4-assisted hydrothermal carbonization (HTC) using low concentration of H3PO4 (25 wt%). ACs with high porosity development obtained (SBET > 1200 m2 g?1),...

The influences of reactive and dielectric characteristics activators were investigated in the microwave-catalyzed conversion phenolic resin waste to activated carbon (AC). To compare with interactions microwaves treated samples, conventional electric heating for AC carbonization was also conducted parallel. porosity chemical features prepared examined, used remove ammonium from water through ad...

The local microenvironment at the electrode-electrolyte interface plays an important role in electrocatalytic performance. Herein, we investigate effect of acid electrolyte anion identity on oxygen reduction reaction (ORR) activity and selectivity smooth Ag Pd catalyst thin films. Cyclic voltammetry perchloric, nitric, sulfuric, phosphoric, hydrochloric, hydrobromic acid, pH 1, reveals that ORR...

The aim of this study was to produce a low-cost activated carbon (AC) from an inexpensive precursor material, corn stigmata (CS), by chemical activation at low temperatures using H3PO4, ZnCl2 and KOH. results were showed that with phosphoric acid provides adsorbent larger specific surface area (SBET) high pore size. Textural physicochemical properties ACs H3PO4 then studied in different tempera...