langmuir blodgett films containing magnetic nanoparticles
Detection of breast cancer cells using targeted magnetic nanoparticles and ultra-sensitive magnetic field sensors potx
... discussion Characterization of nanoparticles demonstrated a narrow size distribution and strong magnetic moment Several lots of iron oxide magnetic nanoparticles were evaluated by magnetic relaxometry ... antibody-bound magnetic nanoparticles demonstrate the feasibility of using targeted nanoparticles in combination with SQUIDdetected magnetic relaxometry to detect breast tumor cells First, the magnetic ... develop magnetic nanoparticle-based magnetic imaging to detect in vivo malignancies with high sensitivity and specificity To this end, we first set out (a) to identify appropriate magnetic nanoparticles...
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Báo cáo hóa học: " Lattice-patterned LC-polymer composites containing various nanoparticles as additives" potx
... SiO2 nanoparticles in the prepolymers The distribution of SiO2 nanoparticles in the LC-polymer composites was affected by the surface functional groups of the nanoparticles Untreated SiO2 nanoparticles ... composites containing functionalized SiO2 nanoparticles as additives Figure The polymer wall thickness of lattice-patterned LC-polymer composites containing non-functionalized and functionalized SiO2 nanoparticles ... composites containing non-functionalized SiO2 nanoparticles as additives Figure Electro-optical properties of lattice-patterned LC-polymer composites containing functionalized SiO2 nanoparticles...
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Báo cáo hóa học: " Cytotoxic effects and the mechanism of three types of magnetic nanoparticles on human hepatoma BEL-7402 cells" ppt
... Differential interaction of magnetic nanoparticles with tumor cells and peripheral blood cells J Cancer Res Clin Oncol 2006, 132:287-292 Gazeau F, Levy M, Wilhelm C: Optimizing magnetic nanoparticle ... E, Gahramanov S, Hamilton B, Rooney WD, Muldoon LL, Neuwelt EA: Superparamagnetic iron oxide nanoparticles: diagnostic magnetic resonance imaging and potential therapeutic applications in neurooncology ... GP: Superparamagnetic iron oxide contrast agents: physicochemical characteristics and applications in MR imaging Eur Radiol 2001, 11:2319-2331 Bonnemain B: Superparamagnetic agents in magnetic resonance...
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Báo cáo hóa học: " Multi-Layered Films Containing a Biomimetic Stimuli-Responsive Recombinant Protein" ppt
... through the same cleaning procedure The elastin-like polymer used in this work, designated HAP, containing an osteoconductive sequence, was obtained by bioproduction of genetically modified E coli.—see ... 430–442 (1999) C Picart, P Lavalle, P Hubert, F.J.G Cuisinier, G Decher, P Schaaf, J.C Voegel, Langmuir 17, 7414–7424 (2001) Z.Y Tang, Y Wang, P Podsiadlo, N.A Kotov, Adv Mater 18, 3203–3224 ... Parker, D McPherson, D.W Urry, Chem Phys Lett 388, 127–131 (2004) 39 E.J Park, D.D Draper, N.T Flynn, Langmuir 23, 7083–7089 (2007) 40 S.M Notley, M Eriksson, L Wagberg, J Colloid Interface Sci 292,...
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Báo cáo hóa học: " Fatty Acid Binding Domain Mediated Conjugation of Ultrafine Magnetic Nanoparticles with Albumin Protein" docx
... morphology and the size of the nanoparticles, where the dipole coupling between the nanoparticles governs the overall magnetic behavior [22] In conjugate of maghemite nanoparticles with BSA, we observed ... range 4.3–8 The schematic diagram of the synthesis of magnetic nanobioconjugate is shown in Fig Though bioconjugation of BSA on nanosized magnetic nanoparticles (Fe3O4) as well as semiconductor nanocrystals ... mainly done it to ensure the existence of magnetic behavior of maghemite nanoparticle after the conjugation process The magnetic behavior of the biomolecule nanoparticles assembly depends sensitively...
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Báo cáo hóa học: " Fluorescence Modified Chitosan-Coated Magnetic Nanoparticles for High-Efficient Cellular Imaging" pdf
... was stirred for h and then washed by the above magnetic separation method to remove dissociative FITC-CS Characterization of Magnetic Particles The magnetic measurements were carried out using ... order to clarify the location of the magnetic nanoparticles in the cells, we performed fluorescence microscopy and electron microscopy We observed that the magnetic particles were located inside ... binding a fluorescent dye onto magnetic nanoparticles enabled their direct imaging and localization in living cells TEM provided an even higher resolution than optical imaging Nanoparticles were internalized...
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báo cáo khoa học: "Examination of Cholesterol oxidase attachment to magnetic nanoparticles" ppsx
... and discussions Particle size and structure TEM micrographs of "bare" magnetic nanoparticles and CHO-functionalized magnetic nanoparticles are shown in Figure 1a and 1b The "bare" particles were ... to magnetic nanoparticles were between 9.7 and 166 nm suggesting a perceptible agglomeration in association with the binding process A possible explanation is that the binding of magnetic nanoparticles ... Fe3O4micrographs of Fe3O4 magnetic nanoFigure Transmssion Electron -CHO (b) Transmssion Electron micrographs of Fe3O4 magnetic nanoparticles (a) and Fe3O4-CHO (b) the binding of CHO to the nanoparticles...
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báo cáo khoa học: " N-hexanoyl chitosan stabilized magnetic nanoparticles: Implication for cellular labeling and magnetic resonance imaging" pps
... 7.4) is still acceptable for magnetofection of mammalian cells Figure shows the magnetic properties of magnetic nanoparticles (MC-IOPs) The synthesized MC-IOPs indicate a Figure (d) MC-IOPs FTIR ... Briefly, RAW cells suspensions containing × 104 cell/well in DMEM containing 10% FBS were distributed in a 96well plates, and incubated in a humidified atmosphere containing 5% CO2 at 37°C for ... dispersions of Fe3O4 nanoparticles and their biomedical applications Biomaterials 2005, 26:729-738 Pankhurst QA, Connolly J, Jones SK, Dobson J: Applications of magnetic nanoparticles in biomedicine...
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báo cáo khoa học: "BRCAA1 monoclonal antibody conjugated fluorescent magnetic nanoparticles for in vivo targeted magnetofluorescent imaging of gastric cancer" ppsx
... silicon-wrapped quantum dots and magnetic nanoparticles with the aim of enhancing their biocompatibility Our results show that prepared silicon-wrapped quantum dots and magnetic nanoparticles are very ... fluorescent/superparamagnetic nanoparticles Journal of colloid and interface science 2008, 322:485-490 46 Chang Q, Zhu L, Yu C, et al: Synthesis and properties of magnetic and luminescent Fe3O4/SiO2/Dye/SiO2 nanoparticles ... based on multi-functional nanoprobes have made great progress For example, nanoparticles such as quantum dots, magnetic nanoparticles and gold nanorods, etc have been used for molecular imaging...
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Báo cáo khoa hoc:" Rapid and specific influenza virus detection by functionalized magnetic nanoparticles and mass spectrometry" pdf
... an external magnetic field, but the magnetic character diminished in the absence of an external magnetic field) The unique superparamagnetic property of AS@Fe3O4 MNPs allowed easy magnetic separation ... the various types of nanoparticles, magnetic nanoparticles (MNPs) have attracted increasing attention for the advantage of efficient separation from complex mixtures with a magnetic field [31–39] ... with 1-propanol to give the aminosilane coated iron oxide magnetic nanoparticles (AS@Fe3O4 MNP) • Synthesis of antibody conjugated magnetic nanoparticles AS@Fe3O4 MNPs (0.5 mg) were suspended in...
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Surface functionalized magnetic nanoparticles for separation of chiral biomolecules, pharmaceuticals and endocrine disrupting compounds
... of magnetic separation 14 2.2 Magnetic particle 15 2.2.1 Magnetic forces 17 2.3 Superparamagnetic nanoparticles 19 2.3.1 Properties of superparamagnetic nanoparticles ... transfer of magnetic particles in magnetic field is also fast by applying strong magnetic field The magnetic nanoparticles provide lower mass transfer resistance and less fouling [61] Surface of magnetic ... between magnetic materials can be described in terms of magnetic dipoles- tiny bar magnets with opposite poles Materials can be classified into diamagnetic, paramagnetic, ferromagnetic, ferrimagnetic,...
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Beta cyclodextrin conjugated magnetic nanoparticles for bio and environmental applications
... 2.1 Magnetic nanoparticles 7 2.1.1 Synthesis of superparamagnetic iron oxide nanoparticles 7 2.1.2 Properties of magnetic particles 9 2.1.3 Surface modification of magnetic ... 4-4 (i) XRD patterns of (a) uncoated magnetic nanoparticles (MNPs), (b) APES modified magnetic nanoparticles (APES-MNPs), and (c) β-CD modified magnetic nanoparticles (CD-APES-MNPs).(ii) Magnetization ... superparamagnetic radius (rSP), induces a magnetic transition in particles where both ferro- and ferrimagnetic nanoparticles (FM) become superparamagnetic and, as previously said, high magnetic...
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Funtionalization of magnetic nanoparticles for bio applications
... INTRODUCTION CHAPTER 2: LITERATURE REVIEW 2.1 Magnetic nanoparticles 2.2 Magnetic drug delivery 2.3 Cancer targeting 12 2.4 Magnetic Fluid Hyperthermia 14 2.5 Magnetic nanoparticles in imaging 15 2.6 Biocompatible ... biomedical applications of magnetic nanoparticles include their use as magnetic contrast agents in magnetic resonance imaging (MRI), hyperthermia agents, where the magnetic particles are heated ... a high frequency oscillating magnetic field, and magnetic drug delivery In most biomedical applications, magnetic nanoparticles perform best when the size of the nanoparticles is around 10–20...
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Carboxymethyl chitosan functionalized magnetic nanoparticles for disruption of biofilms of straphylococcus aureus and escherichia coli
... carboxymethyl chitosan 22 3.3 Synthesis of magnetic iron oxide nanoparticles (MNPs) 23 3.4 Synthesis of magnetic carboxymethyl chitosan nanoparticles (CMCS-MNPs) 23 3.5 Determination ... highly negatively-charged, by using these nanoparticles with a magnetic field, the nanoparticles can effectively penetrate into and disrupt bacterial biofilms (see Section 4.3) The hydrodynamic ... without MF) and CMCS on pre-grown (a) S aureus biofilms and (b) E coli biofilms after 12, 24, and 48 h The controls refer to the respective pre-grown biofilms in sterile PBS without addition of CMCS...
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Surface modification of magnetic nanoparticles with carboxymethyl beta cyclodextrin for removal of dyes in wastewater
... magnetic nanoparticles a Synthesis iron oxide magnetic nanoparticles (Fe3O4) with chemical precipitation method b Synthesis of carboxymethyl-beta-cyclodextrin (CM-β-CD) c Synthesis magnetic nanoparticles ... non -magnetic materials Figure 2-2 Superparamagnetic particles under the absence of an external magnetic field 14 Figure 2-3 Superparamagnetic particles under the influence of an external magnetic ... carboxymethyl-beta-cyclodextrin (CM-β-CD) 41 3.2.2 Synthesis of uncoated magnetic nanoparticles (bare MNPs) 42 3.2.3 Coating CM-β-CD on the surface of magnetic nanoparticles 43 3.3 Adsorption experiments 43 3.3.1...
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Biological applications of magnetic nanoparticles
... statistical alignment of magnetic moments, analogous to what happens to paramagnetic materials, except that now the magnetic moment is not that of a single atom but of the MNPs containing various atoms ... temperature influence For this reason, in the absence of an electromagnetic field (Fig 1) the net magnetic moment of a system containing MNPs will be zero at high enough temperatures However, in ... representation of a superparamagnetic particle Note that although the moments within each particle are ordered (red arrows), the net magnetic moment of a system containing MNPs will be zero in...
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Tài liệu Báo cáo "Arsenic removal from water by magnetic Fe1-xCoxFe2O4 and Fe1-yNiyFe2O4 nanoparticles " pptx
... 12] Magnetite nanoparticles have highest saturation magnetization of 90 emu/g among iron oxides Therefore, magnetite nanoparticles can be used to adsorb arsenic ions followed by magnetic decantation ... from nanoparticles The nanoparticles after desorption did not show any difference in arsenic re-adsorption ability The adsorption-desorption process was repeated times, which proved that the nanoparticles ... Fe1-yNiyFe2O4 (Ni-ferrites) (x, y = 0, 0.05, 0.1, 0.2, 0.5) nanoparticles Results and discussion Figure presents the TEM image of the Fe3O4 nanoparticles with particle size of 10 – 16 nm The particles...
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Anisotropic Magnetoresistance and Magnetic Anisotropy in High-quality (Ga,Mn)As Films
... and related phenomena in magnetic metal films have found widespread applications in magnetic sensing and recording technologies Magnetoresistive devices based on III-V magnetic semiconductors ... injection or accumulation in devices GaMnAs films also show a remarkable variety of magnetic anisotropies In general, compressive and tensile strained films show in-plane and perpendicular anisotropies ... carriers and magnetic ions, the resistivity depends on the angle between the sample magnetisation and the applied current This is a well-known effect in ferromagnetic materials Applying a small magnetic...
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Báo cáo toán học: " Highly selective fluorescent chemosensor for Zn2+ derived from inorganic-organic hybrid magnetic core/shell Fe3O4@SiO2 nanoparticles" pot
... probes, including magnetic nanoparticles, nanotubes, mesoporous silica, metal nanoparticles, and TiO2 [25-34] Among all these inorganic materials, magnetic silica core/shell nanoparticles have ... jiangj2007@lzu.cn WL: liuws@lzu.edu.cn Abstract Magnetic nanoparticles with attractive optical properties have been proposed for applications in such areas as separation and magnetic resonance imaging In this ... [35-41] Firstly, they could be simply separated or recovered via external magnetic field Besides, with magnetic silica core/shell nanoparticles as delivery, their low toxicity and biocompatibility also...
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Báo cáo toán học: " Structural, optical and magnetic studies of manganese-doped zinc oxide hierarchical microspheres by self-assembly of nanoparticles" docx
... C: Magnetic properties of epitaxial Mn-doped ZnO thin films J Appl Phys 2003, 93:7876-7878 21 Yoon S, Cho S, We S, Yoon S, Suh B, Song H, Shin Y: Magnetic properties of ZnO-based diluted magnetic ... thermally stable without blocking (or superparamagnetic behavior), which is similar to an earlier report on Mn-doped nanoparticles [44] In addition, magnetic hysteretic loops for the samples with ... Structural, thermal and magnetic investigations of heavily Mn-doped ZnO nanoparticles J Magn Magn Mater 2011, 323:2374-2379 18 Mi W, Bai H, Liu H, Sun C: Microstructure, magnetic, and optical properties...
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Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ mở máy động cơ lồng sóc hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng 9 tr 25