One-step synthesis of anatase-free hollow titanium silicalite-1 by the solid-phase conversion method

2022 ◽  
pp. 111676
Author(s):  
Yongkui Liu ◽  
Fumin Wang ◽  
Xubin Zhang ◽  
Qing Zhang ◽  
Yi Zhai ◽  
...  
Keyword(s):  
Solid Phase ◽  
Titanium Silicalite ◽  
Phase Conversion ◽  
Conversion Method ◽  
One Step

Synthesis of ZSM-5 Microspheres Made of Nanocrystals from Iron Ore Tailings by the Solid-Phase Conversion Method

Langmuir ◽  
2020 ◽  
Vol 36 (22) ◽  
pp. 6160-6168
Author(s):  
Peng Zhang ◽  
Suqin Li ◽  
Penghui Guo ◽  
Xin Zhao
Keyword(s):  
Iron Ore ◽  
Solid Phase ◽  
Phase Conversion ◽  
Iron Ore Tailings ◽  
Conversion Method

scholarly journals Influence of Cu on the Improvement of Magnetic Properties and Structure of L10 FePt Nanoparticles

Nanomaterials ◽  
2021 ◽  
Vol 11 (5) ◽  
pp. 1097
Author(s):  
Luran Zhang ◽  
Xinchen Du ◽  
Hongjie Lu ◽  
Dandan Gao ◽  
Huan Liu ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Annealing Temperature ◽  
Reduction Method ◽  
Solid Phase ◽  
Average Particle Size ◽  
Fept Nanoparticles ◽  
Average Particle ◽  
Phase Reduction ◽  
Different Temperatures ◽  
One Step

L10 ordered FePt and FePtCu nanoparticles (NPs) with a good dispersion were successfully fabricated by a simple, green, one-step solid-phase reduction method. Fe (acac)3, Pt (acac)2, and CuO as the precursors were dispersed in NaCl and annealed at different temperatures with an H2-containing atmosphere. As the annealing temperature increased, the chemical order parameter (S), average particle size (D), coercivity (Hc), and saturation magnetization (Ms) of FePt and FePtCu NPs increased and the size distribution range of the particles became wider. The ordered degree, D, Hc, and Ms of FePt NPs were greatly improved by adding 5% Cu. The highest S, D, Hc, and Ms were obtained when FePtCu NPs annealed at 750 °C, which were 0.91, 4.87 nm, 12,200 Oe, and 23.38 emu/g, respectively. The structure and magnetic properties of FePt and FePtCu NPs at different annealing temperatures were investigated and the formation mechanism of FePt and FePtCu NPs were discussed in detail.

Electrodeposition immobilized molybdenum disulfide quantum dots and their electrochemiluminescence application in the detection of melamine residues in milk powder

2021 ◽  
Author(s):  
Yousheng Ye ◽  
Shasha Li ◽  
An Ping ◽  
Xinjun Wan ◽  
Jianguo Li
Keyword(s):  
Quantum Dots ◽  
Quantum Dot ◽  
Molybdenum Disulfide ◽  
Solid Phase ◽  
Milk Powder ◽  
One Step

In this paper, one-step hydrothermal and electrodeposition methods were used to prepare a MoS2 quantum dot (QD) solid-phase electrochemiluminescent (ECL) electrode for the detection of melamine residues in milk powder.

Simultaneous sintering of low-melting-point Mg with high-melting-point Ti via a novel one-step high-pressure solid-phase sintering strategy

2021 ◽  
Vol 858 ◽  
pp. 158344
Author(s):  
Xuecheng Cai ◽  
Shuaijun Ding ◽  
Zhongjie Li ◽  
Xin Zhang ◽  
Kangkang Wen ◽  
...  
Keyword(s):  
High Pressure ◽  
Melting Point ◽  
Solid Phase ◽  
High Melting ◽  
High Melting Point ◽  
One Step

Laser-excited immunofluorometric assay of prolactin, with use of antibodies coupled to lanthanide-labeled diethylenetriaminepentaacetic acid.

1986 ◽  
Vol 32 (7) ◽  
pp. 1323-1327 ◽  
Author(s):  
H Déchaud ◽  
R Bador ◽  
F Claustrat ◽  
C Desuzinges
Keyword(s):  
Plasma Sample ◽  
Solid Phase ◽  
Nitrogen Laser ◽  
Diethylenetriaminepentaacetic Acid ◽  
Time Resolved Fluorescence ◽  
Time Resolved ◽  
Step Procedure ◽  
Polystyrene Tube ◽  
Sandwich Type ◽  
One Step

Abstract We describe an immunofluorometric assay for prolactin based on lanthanide labeling of a monoclonal antibody and measuring time-resolved fluorescence. In this "sandwich"-type assay, the label (Eu3+) was bound to the second antibody by means of a simple, rapid method involving the anhydride of diethylenetriaminepentaacetic acid. To measure the photoluminescence of europium (or other lanthanides), we have developed a time-resolved fluorometer with a nitrogen laser as the pulsed excitation source. During the assay, the solid-phase antibody immobilized inside a polystyrene tube is incubated with the plasma sample and the second antibody in a one-step procedure. Results for 67 human plasmas correlated well (r = 0.98) with those by an immunoradiometric method.

Two new two-step immunoassays for free thyroxin evaluated: solid-phase radioimmunoassay and time-resolved fluoroimmunoassay

1990 ◽  
Vol 36 (7) ◽  
pp. 1355-1360 ◽  
Author(s):  
P Nuutila ◽  
P Koskinen ◽  
K Irjala ◽  
L Linko ◽  
H L Kaihola ◽  
...  
Keyword(s):  
Solid Phase ◽  
Equilibrium Dialysis ◽  
Late Pregnancy ◽  
Clinical State ◽  
Albumin Concentration ◽  
Time Resolved ◽  
One Step ◽  
Solid Phase Radioimmunoassay ◽  
Dialysis Method ◽  
Method R

Abstract We measured concentrations of free thyroxin (FT4) in serum by using two new two-step FT4 assays--a solid-phase two-step radioimmunoassay. Spectria, and a time-resolved fluoroimmunoassay. Delfia--and compared the results with those by a two-step FT4 assay (RIA-gnost), a one-step FT4 analog assay (Amerlex-M), and FT4 measured after equilibrium dialysis. The new FT4 assays classified 30 hypothyroid and 43 hyperthyroid patients (untreated) well. In 138 patients with nonthyroidal illness (NTI) and in late pregnancy (n = 36), fewer subnormal FT4 values were reported by Spectria (P less than 0.001), Delfia (P less than 0.001), and RIA-gnost (P less than 0.01) than by Amerlex-M. The results of the Spectria and Delfia methods correlated with the results of the dialysis method (r = 0.76) in NTI patients and pregnancy, and were in better agreement with the clinical state than was FT4 by Amerlex-M. The FT4 values by Amerlex-M, but not by other methods, correlated with albumin concentration. We conclude that these new two-step methods present good alternatives for FT4 analysis.

Synthesis of Casein Related Peptides and Phosphopeptides. XIV. Solid Phase Synthesis of Glu-Ser(P)-Leu Through the Use of Protected Boc-Ser(PO3R2)-OH Derivatives

1991 ◽  
Vol 44 (6) ◽  
pp. 771 ◽  
Author(s):  
JW Perich ◽  
RM Valerio ◽  
PF Alewood ◽  
RB Johns
Keyword(s):  
High Pressure ◽  
Peptide Synthesis ◽  
Solid Phase ◽  
Phenyl Group ◽  
High Yield ◽  
Palladium Acetate ◽  
Phase Method ◽  
Phenyl Phosphate ◽  
One Step ◽  
The One

A solid phase method is described for the synthesis of O- phosphoseryl-containing peptides by the use of polystyrene resin (Merrifield) as the peptide support and protected Boc-Ser(PO3R2)-OH derivatives for the incorporation of the phosphorylated seryl residue. The viability of this solid phase approach was demonstrated by the synthesis of HBr.H-Glu-Ser (PO3Et2)-Leu-OH in high yield by the use of Bo -Ser(PO3Et2)-OH in peptide synthesis and subsequent use of HBr/CF3CO2H for cleavage of the Ser(PO3Et2)-containing tripeptide from the resin support. Similarly, the dipeptide, CF3CO2H.H-Ser(P)- Leu -OH, was prepared in high yield by using Boc -Ser(PO3But2)-OH in peptide synthesis followed by the one-step deprotection of the Ser(PO3But2)- dipeptide resin by treatment with HBr/CF3CO2H (90 min). Alternatively, the O-phosphoseryl tripeptide , CF3CO2H.H-Glu-Ser(P)- Leu -OH was prepared by using either Ppoc -Ser(PO3Bzl2)-OH or Boc-Ser(PO3Ph2)-OH in peptide synthesis. The one-step deprotection of the Ser(PO3Bzl2)-containing tripeptide and cleavage of the peptide from the resin support was effected by high-pressure hydrogenolysis (palladium acetate). In the case of phenyl phosphate protection, the Ser(PO3Ph2)-containing peptide was cleaved from the resin support by high-pressure hydrogenolysis (palladium acetate) followed by cleavage of the phenyl phosphate groups by platinum-mediated hydrogenolysis (1.0 equiv. PtO2/phenyl group) in 50% CF3CO2H/AcOH.

A convenient approach for the determination of multiple trace BPs using an in-syringe-assisted solid phase microextraction system packed with elastic spongy graphene rods coupled with HPLC

2017 ◽  
Vol 9 (18) ◽  
pp. 2673-2681 ◽  
Author(s):  
Lingling Wang ◽  
Qi Li ◽  
Lei Zhang
Keyword(s):  
Hydrothermal Method ◽  
Environmental Samples ◽  
Solid Phase Microextraction ◽  
Solid Phase ◽  
Three Dimensional ◽  
Convenient Approach ◽  
One Step

An elastic cylindrical three-dimensional porous spongy graphene rod (3D-PSGR) was synthesized by a facile one-step hydrothermal method and applied in a syringe system as a solid phase adsorbent for the extraction of nine trace bisphenol analogs (BPs) from environmental samples.

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