Polyoxime-functionalized magnetic nanoparticles for uranium adsorption with high selectivity over vanadium

2017 ◽  
Vol 5 (24) ◽  
pp. 12278-12284 ◽  
Author(s):  
Meiyun Xu ◽  
Xiaoli Han ◽  
Daoben Hua
Keyword(s):  
Magnetic Nanoparticles ◽  
High Selectivity ◽  
Uranium Adsorption ◽  
Selective Sorption ◽  
Functionalized Magnetic Nanoparticles ◽  
First Time

For the first time polyoxime was designed and conjugated onto magnetic nanoparticles for highly selective sorption of uranium against vanadium.

Phenylboronic acid-functionalized core–shell magnetic composite nanoparticles as a novel protocol for selective enrichment of fructose from a fructose–glucose aqueous solution

2017 ◽  
Vol 41 (22) ◽  
pp. 13399-13407 ◽  
Author(s):  
Lei Gu ◽  
Yun Wang ◽  
Juan Han ◽  
Lei Wang ◽  
Xu Tang ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Magnetic Nanoparticles ◽  
Boronic Acid ◽  
Phenylboronic Acid ◽  
Sample Solution ◽  
Core Shell ◽  
Magnetic Composite ◽  
Selective Enrichment ◽  
Functionalized Magnetic Nanoparticles ◽  
First Time

We developed an efficient and mild method for the preparation of boronic acid-functionalized magnetic nanoparticles (MNPs), and the selective separation of fructose from a sample solution was demonstrated for the first time.

scholarly journals Fishing of α-Glucosidase’s Ligands from Aloe vera by α-Glucosidase Functionalized Magnetic Nanoparticles

Molecules ◽  
2021 ◽  
Vol 26 (19) ◽  
pp. 5840
Author(s):  
Hao Yuan ◽  
Hong Wan ◽  
Yi-Kao Hu ◽  
Emmanuel Ayodeji Ayeni ◽  
Qiang Chang ◽  
...  
Keyword(s):  
Magnetic Nanoparticles ◽  
Medicinal Plant ◽  
Solid Phase Extraction ◽  
Solid Phase ◽  
Aloe Vera ◽  
Inhibitory Effect ◽  
Phase Extraction ◽  
Functionalized Magnetic Nanoparticles ◽  
Nmr Techniques ◽  
First Time

α-Glucosidase was immobilized on magnetic nanoparticles (MNPs) for selective solid-phase extraction of the enzyme’s ligands present in Aloe vera, which is a medicinal plant used for the treatment of various diseases and possesses anti-diabetic activity. One new compound, aloeacone (2), together with two known compounds, aloenin aglycone (1) and aloin A (3), were fished out as the enzyme’s ligands. The structure of 2 was determined by HR-MS and comprehensive NMR techniques. Compound 3 exhibited a weak inhibitory effect on α-glucosidase, while compounds 1 and 2 were found to possess activation effects on the enzyme for the first time. It is interesting that both an inhibitor and agonists of α-glucosidase were fished out in one experiment.

Functionalized magnetic nanoparticles for biomedical applications

2015 ◽  
Vol 21 (42) ◽  
pp. 6038-6054 ◽  
Author(s):  
Dragoș Gudovan ◽  
Paul Balaure ◽  
Dan Mihăiescu ◽  
Adrian Fudulu ◽  
Bogdan Purcăreanu ◽  
...  
Keyword(s):  
Magnetic Nanoparticles ◽  
Biomedical Applications ◽  
Functionalized Magnetic Nanoparticles

Sulfonyl Radical Triggered Selective Iodosulfonylation and Bicycli-zations of 1,6-Dienes

2021 ◽  
Author(s):  
Shi-Ping Wu ◽  
Dong-Kai Wang ◽  
Qing-Qing Kang ◽  
Guo-Ping Ge ◽  
Hongxing Zheng ◽  
...  
Keyword(s):  
Functional Group ◽  
High Selectivity ◽  
Reaction Conditions ◽  
First Time

A novel sulfonyl radical triggered selective iodosulfonylation and bicyclizations of 1,6-dienes has been described for the first time. High selectivity and efficiency, mild reaction conditions, excellent functional group compatibility, and...

scholarly journals Engineered Phage Endolysin Eliminates Gardnerella Biofilm without Damaging Beneficial Bacteria in Bacterial Vaginosis Ex Vivo

Pathogens ◽  
2021 ◽  
Vol 10 (1) ◽  
pp. 54
Author(s):  
Christine Landlinger ◽  
Lenka Tisakova ◽  
Vera Oberbauer ◽  
Timo Schwebs ◽  
Abbas Muhammad ◽  
...  
Keyword(s):  
Bacterial Vaginosis ◽  
Bactericidal Activity ◽  
High Selectivity ◽  
Ex Vivo ◽  
Vaginal Microbiome ◽  
Wild Type ◽  
Wild Type Enzyme ◽  
Promising Alternative ◽  
First Time

Bacterial vaginosis is characterized by an imbalance of the vaginal microbiome and a characteristic biofilm formed on the vaginal epithelium, which is initiated and dominated by Gardnerella bacteria, and is frequently refractory to antibiotic treatment. We investigated endolysins of the type 1,4-beta-N-acetylmuramidase encoded on Gardnerella prophages as an alternative treatment. When recombinantly expressed, these proteins demonstrated strong bactericidal activity against four different Gardnerella species. By domain shuffling, we generated several engineered endolysins with 10-fold higher bactericidal activity than any wild-type enzyme. When tested against a panel of 20 Gardnerella strains, the most active endolysin, called PM-477, showed minimum inhibitory concentrations of 0.13–8 µg/mL. PM-477 had no effect on beneficial lactobacilli or other species of vaginal bacteria. Furthermore, the efficacy of PM-477 was tested by fluorescence in situ hybridization on vaginal samples of fifteen patients with either first time or recurring bacterial vaginosis. In thirteen cases, PM-477 killed the Gardnerella bacteria and physically dissolved the biofilms without affecting the remaining vaginal microbiome. The high selectivity and effectiveness in eliminating Gardnerella, both in cultures of isolated strains as well as in clinically derived samples of natural polymicrobial biofilms, makes PM-477 a promising alternative to antibiotics for the treatment of bacterial vaginosis, especially in patients with frequent recurrence.

High-Performance Functionalized Magnetic Nanoparticles with Tailored Sizes and Shapes for Localized Hyperthermia Applications

2021 ◽  
Author(s):  
Izabell Crăciunescu ◽  
Petru Palade ◽  
Nicuşor Iacob ◽  
George Marian Ispas ◽  
Anda Elena Stanciu ◽  
...  
Keyword(s):  
Magnetic Nanoparticles ◽  
High Performance ◽  
Functionalized Magnetic Nanoparticles

scholarly journals Cellulase immobilization on TEOS encapsulated and APTES functionalized magnetic nanoparticles (MNPs)

2021 ◽  
Vol 1092 (1) ◽  
pp. 012071
Author(s):  
Shah Samiur Rashid ◽  
Md. Belal Hossain Sikder ◽  
Mohd Hasbi Bin Ab. Rahim ◽  
Aizi Nor Mazila Binti Ramli ◽  
Rashidi Bin Roslan
Keyword(s):  
Magnetic Nanoparticles ◽  
Functionalized Magnetic Nanoparticles

Preparation of naphthyl functionalized magnetic nanoparticles for extraction of polycyclic aromatic hydrocarbons from river waters

RSC Advances ◽  
2015 ◽  
Vol 5 (69) ◽  
pp. 56189-56197 ◽  
Author(s):  
Ying Cai ◽  
Zhi-Hong Yan ◽  
Ni-Ya Wang ◽  
Qing-Yun Cai ◽  
Shou-Zhuo Yao
Keyword(s):  
Polycyclic Aromatic Hydrocarbons ◽  
Magnetic Nanoparticles ◽  
Aromatic Hydrocarbons ◽  
Solid Phase ◽  
Magnetic Solid Phase Extraction ◽  
River Waters ◽  
River Water Samples ◽  
Functionalized Magnetic Nanoparticles ◽  
Polycyclic Aromatic ◽  
Magnetic Solid

Naphthyl functionalized magnetic nanoparticles (Fe3O4@SiO2@Nap) was prepared and successfully applied for the magnetic solid-phase extraction (MSPE) of polycyclic aromatic hydrocarbons (PAHs) from river water samples.

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