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Journal articles on the topic 'Nano-manipulation and characterization'

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1

Mujumdar, S., A. F. Koenderink, R. Wuest, and V. Sandoghdar. "Nano-Optomechanical Characterization and Manipulation of Photonic Crystals." IEEE Journal of Selected Topics in Quantum Electronics 13, no. 2 (2007): 253–61. http://dx.doi.org/10.1109/jstqe.2007.893744.

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2

Gyung Lee, Eun, Lorenzo Cena, Jiwoon Kwon, et al. "Correction: Characterization of aerosolized particles from nanoclay-enabled composites during manipulation processes." Environmental Science: Nano 7, no. 6 (2020): 1853. http://dx.doi.org/10.1039/d0en90027c.

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3

Mai, Wenjie, Long Zhang, Yudong Gu, et al. "Mechanical and electrical characterization of semiconducting ZnO nanorings by direct nano-manipulation." Applied Physics Letters 101, no. 8 (2012): 081910. http://dx.doi.org/10.1063/1.4747807.

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4

LI, YING, CHI MUN CHEAH, HENGKY CHANG, LEONARD LOH, and ADELINE KUM. "PREPARATION AND CHARACTERIZATION OF BIOACTIVE COMPOSITES OF PCL/BIOACTIVE FILLERS." International Journal of Modern Physics B 24, no. 01n02 (2010): 128–35. http://dx.doi.org/10.1142/s0217979210064058.

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A variety of bioactive composites have been invested over the last two decades as substitute materials for diseased or damaged tissues in the human body. In this paper, bioactive composites were prepared using polycaprolactone ( PCL ) and hydroxyapatite ( HA ). The influence of micro-sized and nano-sized HA on composite properties was investigated. The nano- HA was prepared by wet chemical co-precipitation reaction method. Studies of biocomposite specimen morphology were performed by Field-emission scanning electron microscopy (SEM). XRD (X-Ray Diffraction) and DSC (Differential scanning calor
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5

Enea, Ramona, Ana-Maria Resmeriţă, Laura Petraru, et al. "Synthesis and photochromic behavior of some azo-polysiloxanes modified with nucleobases or donor-acceptor groups." Open Chemistry 5, no. 4 (2007): 981–95. http://dx.doi.org/10.2478/s11532-007-0042-8.

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AbstractThis paper presents the syntheses, characterization and photochromic behavior of some new azo-polysiloxanes modified with uracil, cytosine or nitro-phenolic groups. Taking into consideration the possibility of generating H-bonds or donor/acceptor interactions, this class of materials present a potential applicability in the immobilization of biomolecules and their nano-manipulations. Also, such compounds are capable of producing a fluid phase, with directional flowing capacity. For all these polymers, the molecular modeling simulations have shown disordered structures, which would gene
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6

Chang, Ming, Chia Hung Lin, Chung Po Lin, and Juti Rani Deka. "Design and Fabrication of a Multi-Functional Nanomanipulator." Key Engineering Materials 419-420 (October 2009): 21–24. http://dx.doi.org/10.4028/www.scientific.net/kem.419-420.21.

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With rapid expansion of nanotechnology, microminiaturization has become imperative in the field of micro/nano fabrication. A nanomanipulation system with high degrees of freedom that can perform nanomachining, nanofabrication and mechanical/electrical characterization of nanoscale objects inside a scanning electron microscope (SEM) is presented. The manipulation system consists of several individual operating units each having three linear stages and one rotational stage. The body of the manipulator is designed using the idea of superposition. Each operating unit can move in the permissible ra
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7

PAN, SHEAU-SHI, YI-CHING LIN, JIAN-LIN HUANG, and SHENG-JUI CHEN. "THE MEASUREMENT OF MICROFORCE-SENSOR THERMAL DRIFT MEASURED BY BALANCE IN CMS." International Journal of Modern Physics: Conference Series 24 (January 2013): 1360032. http://dx.doi.org/10.1142/s201019451360032x.

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The micro-force sensors were widely used in the areas of micro-assembly, micro-factories, micro-robotics, MEMS characterization, Nano-manipulation, Biological and biomedical research, Material properties, etc. It was also used as a transfer standard in micro-force machine or instrument. The capacitance-type force sensor was used to sense forces with micro-Newton (sub-milligram) resolution. And it was used as a transducer for the micro-force instrument in CMS. In this paper, we will report the preliminary results of thermal drift properties in capacitance-type force sensor.
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8

Nath, Ipsita, Jeet Chakraborty, Sara Abednatanzi, and Pascal Van Der Voort. "A ‘Defective’ Conjugated Porous Poly-Azo as Dual Photocatalyst." Catalysts 11, no. 9 (2021): 1064. http://dx.doi.org/10.3390/catal11091064.

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A heterogeneous photocatalyst amenable to catalyze different chemical reactions is a highly enabling and sustainable material for organic synthesis. Herein we report the synthesis and characterization of an azobenzene-based organic π–conjugated porous polymer (AzoCPP) as heterogeneous dual photocatalyst manifesting net-oxidative bromination of arenes and dehydroxylation of boronic acids to corresponding phenols. Hierarchical porosity and high surface area of the nano-sized AzoCPP allowed superior catalyst-substrate contact during catalyses, whereas the inherent structural defect present in the
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9

Liu, Mei, Weilin Su, Xiangzheng Qin, et al. "Mechanical/Electrical Characterization of ZnO Nanomaterial Based on AFM/Nanomanipulator Embedded in SEM." Micromachines 12, no. 3 (2021): 248. http://dx.doi.org/10.3390/mi12030248.

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ZnO nanomaterials have been widely used in micro/nano devices and structure due to special mechanical/electrical properties, and its characterization is still deficient and challenging. In this paper, ZnO nanomaterials, including nanorod and nanowire are characterized by atomic force microscope (AFM) and nanomanipulator embedded in scanning electron microscope (SEM) respectively, which can manipulate and observe simultaneously, and is efficient and cost effective. Surface morphology and mechanical properties were observed by AFM. Results showed that the average Young’s modulus of ZnO nanorods
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10

Wang, Yu-Chen, Éric Rhéaume, Frédéric Lesage, and Ashok Kakkar. "Synthetic Methodologies to Gold Nanoshells: An Overview." Molecules 23, no. 11 (2018): 2851. http://dx.doi.org/10.3390/molecules23112851.

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Gold nanostructures that can be synthetically articulated to adapt diverse morphologies, offer a versatile platform and tunable properties for applications in a variety of areas, including biomedicine and diagnostics. Among several conformational architectures, gold nanoshells provide a highly advantageous combination of properties that can be fine-tuned in designing single or multi-purpose nanomaterials, especially for applications in biology. One of the important parameters for evaluating the efficacy of gold nano-architectures is their reproducible synthesis and surface functionalization wi
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11

Chang, Ming, C. H. Lin, and Juti Rani Deka. "Characterization and Manipulation of Boron Nanowire inside SEM." Key Engineering Materials 381-382 (June 2008): 31–34. http://dx.doi.org/10.4028/www.scientific.net/kem.381-382.31.

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Nanostructures materials have stimulated broad attention in the past decade because of their potential fundamental characteristics and its promising applications in nano electronic devices. In the present investigation, crystalline boron nanowires (BNWs) were synthesized by vapor liquid solid (VLS) technique and its mechanical properties were studied using a nanomanipulator inside a scanning electron microscope (SEM). Electron beam induced deposition (EBID) method was used to clamp boron nanowire to the AFM tips. The Young’s modulus of the NWs were determined from the buckling instability of N
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12

Gao, Yu, Apresio K. Fajrial, Tao Yang, and Xiaoyun Ding. "Emerging on-chip surface acoustic wave technology for small biomaterials manipulation and characterization." Biomaterials Science, 2021. http://dx.doi.org/10.1039/d0bm01269f.

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13

Wang, Xuefeng, and Chang Liu. "Development of Hybrid MEMS/FIB Processes and Applications of Three-pronged Active Nanotweezers For Manipulation of Nano Objects." MRS Proceedings 983 (2006). http://dx.doi.org/10.1557/proc-983-0983-ll08-09.

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AbstractWe report recent development of a three-probe micromachined nanomanipulator for manipulation and in-situ characterization of nanomaterials in scanning electron microscope (SEM). The nanomanipulator consists of three independent probes having thermal bimetallic actuators and nanoscopic end-effectors. Nanoscale end-effectors with sub-100-nm spacing are created using focused ion beam (FIB) milling to directly interface with nanoscopic objects (e.g., nanotubes, nanowires). Handling of individual carbon nanotubes (CNTs) was successfully realized with the nanomanipulator in an SEM.
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14

Elnathan, Roey, Andrew W. Holle, Jennifer Young, et al. "Optically transparent vertical silicon nanowire arrays for live-cell imaging." Journal of Nanobiotechnology 19, no. 1 (2021). http://dx.doi.org/10.1186/s12951-021-00795-7.

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AbstractProgrammable nano-bio interfaces driven by tuneable vertically configured nanostructures have recently emerged as a powerful tool for cellular manipulations and interrogations. Such interfaces have strong potential for ground-breaking advances, particularly in cellular nanobiotechnology and mechanobiology. However, the opaque nature of many nanostructured surfaces makes non-destructive, live-cell characterization of cellular behavior on vertically aligned nanostructures challenging to observe. Here, a new nanofabrication route is proposed that enables harvesting of vertically aligned s
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15

Padmaraj, Divya, Wanda Zagozdzon-Wosik, John H. Miller, Joe Charlson, and Len Trombetta. "Nanogap Capacitors Used for Impedance Characterization of Living Cells." MRS Proceedings 952 (2006). http://dx.doi.org/10.1557/proc-0952-f10-15.

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ABSTRACTNano-gap metal oxide semiconductor (MOS) capacitors were studied to evaluate their limitations in applications of dielectric spectroscopy in living cells. The purpose was to optimize the design of a transducer to avoid interfacial polarization at the electrodes. Silicon IC technology was selected for designing processes in which we could limit electric double layer impedance by precisely controlling dielectric thickness of the capacitors in the range of 17 to 150 nm. The working capacitance was defined by lateral oxide etching of capacitor structures of various configuration to ensure
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16

"Oral Carcinoma and Therapeutic Approaches of Nanotechnology: From Fundamental Concepts, Incidence, Molecular Mechanism to Emerging Treatment Techniques." Biointerface Research in Applied Chemistry 12, no. 3 (2021): 3900–3937. http://dx.doi.org/10.33263/briac123.39003937.

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Oral carcinoma is the most general, with a large fatality rate and aggressive cancer that can cause metastasis as it attacks other tissues. The prevalence of carcinoma is a multistep method, requiring the collection of many hereditary changes influenced by a patient's hereditary predisposition and environmental effects, including nicotine, alcoholic beverages, chronic infection, and viral contamination. The data were searched using focal keywords, including oral cancer, molecular mechanisms, treatments, and nanotechnology, through various search engines and the Pubmed database. There are two m
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17

Paull, John. "Beyond Equal: From Same But Different to the Doctrine of Substantial Equivalence." M/C Journal 11, no. 2 (2008). http://dx.doi.org/10.5204/mcj.36.

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A same-but-different dichotomy has recently been encapsulated within the US Food and Drug Administration’s ill-defined concept of “substantial equivalence” (USFDA, FDA). By invoking this concept the genetically modified organism (GMO) industry has escaped the rigors of safety testing that might otherwise apply. The curious concept of “substantial equivalence” grants a presumption of safety to GMO food. This presumption has yet to be earned, and has been used to constrain labelling of both GMO and non-GMO food. It is an idea that well serves corporatism. It enables the claim of difference to se
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