نتایج جستجو برای: mnp
تعداد نتایج: 934 فیلتر نتایج به سال:
Molecular Recognition Devices (MRD) such as sensors and biosensors have a great application potential for clinical, biomedical, and environmental research fields. The use of Nanometer-sized Metal Particles (MNP) in MRD construction can substantially improve their performance. MNP are objects of great interest in modern chemical research due to their unique physical and chemical properties, whic...
A recently experimental discovered (Cheng et al., Phys. Rev. Lett. 114, 117001 (2015)) of superconductivity on the border of long-range magnetic order in the itinerant-electron helimagnet MnP via the application of high pressure makes MnP the first Mn-based superconductor. In this paper, we carry out first-principles calculations on MnX (X = N, P, As, Sb) and find superconducting critical tempe...
The cellular defect in Tangier mononuclear phagocytes (MNP) was shown to be associated with significant abnormalities in cellular phospholipid, triglyceride, and cholesteryl ester metabolism by using various radiolabeled precursors (32Pi, 3H-serine, 3H-choline, 14C-acetate, and 14C-oleic acid). Tangier MNP expressed increased rates of synthesis for phospholipids (twofold), triglycerides (fivefo...
Increasing numbers of countries require mobile telephone networks to offer mobile number portability (MNP). MNP allows customers who wish to switch mobile operator to keep their mobile numbers, avoiding the costs of switching to new numbers. Ex ante assessments suggest that MNP should reduce switching costs and strengthen competition. In this paper, we test MNP’s impact on market outcomes using...
BACKGROUND Ceragenins, synthetic mimics of endogenous antibacterial peptides, are promising candidate antimicrobial agents. However, in some settings their strong bactericidal activity is associated with toxicity towards host cells. To modulate ceragenin CSA-13 antibacterial activity and biocompatibility, CSA-13-coated magnetic nanoparticles (MNP-CSA-13) were synthesized. Transmission electron ...
The purpose of this study was to explore whether magnetic Fe(3)O(4) nanoparticles (Fe(3)O(4)-MNP) loaded with cisplatin (Fe(3)O(4)-MNP-DDP) can reverse DDP resistance in lung cancer cells and to investigate mechanisms of multidrug resistance in vitro and in vivo. MTT assay showed that DDP inhibited both A549 cells and DDP-resistant A549 cells in a time-dependent and dose-dependent manner, and t...
Today, the therapeutic efficacy of cancer is restricted by the heterogeneity of the response of tumor cells to chemotherapeutic drugs. Since those therapies are also associated with severe side effects in nontarget organs, the application of drugs in combination with nanocarriers for targeted therapy has been suggested. Here, we sought to assess whether the coupling of methotrexate (MTX) to mag...
In-home fortification of infants with micronutrient powders (MNPs) containing 12.5 mg iron may increase morbidity from infections; therefore, an efficacious low-dose iron-containing MNP might be advantageous. Effects of iron-containing MNPs on infant growth are unclear. We assessed the efficacy of a low-iron MNP on iron status and growth and monitored safety in a randomised, controlled, double-...
OBJECTIVE To investigate whether the recommended dietary intake of Ca in anaemic infants compromises the expected Hb response, via home fortification with a new Ca- and Fe-containing Sprinkles™ micronutrient powder (MNP). DESIGN A double-blind, randomized controlled, 2-month trial was conducted in Bangladesh. Infants were randomized to one of two MNP intervention groups containing Fe and othe...
Magnetic nanoparticles (MNp) Fe3O4 were prepared by chemical coprecipitation, and introduced onto collagen fibers to form magnetic collagen support (MNp-Col) for enzyme immobilization. Candida rugosa lipase has been successfully immobilized on MNp-Col supports by a covalent bond cross-linking agent, glutaraldehyde. The characteristics of MNp-Col and the immobilized lipase were investigated. The...
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