imprinted polymers hybrid materials for analytical applications

... biomass for water treatment Biowaste materials are used directly as adsorbents and as templates to prepare other hybrid materials These adsorbents were characterized using different analytical ... have been screened for this purpose with good results Most of the biological materials have an affinity for metal ions and other pollutants The variety of biomass available for biosorption purposes ... 1.2 List of biopeels (Fruit & vegetable) used for adsorption of different pollutants 10 Table 1.3 Different approaches to modify of biopeels for applications in water treatment 19 Chapter Table...

Ngày tải lên: 12/09/2015, 09:10

... p-type at 1/250 wt% For the measurements performed at 250 ◦ C, the response time to 100 ppb and to 500 ppb of NO2 was around both for the hybrid materials based on WO3 and for the pure WO3 sensors ... Specifically, these concentrations were: 100, 200, 500 and 1000 ppb for NO2 ; 10 and 50 ppm for CO; 2, and 10 ppm for NH3 and 50 and 150 ppm for C6 H6 To assess the reproducibility of the results, each ... used and the same procedure as the one employed for the fabrication of the hybrid materials (i.e., stirring the solution in an ultrasonic bath for h at 75 ◦ C) was implemented Fig shows a TEM...

Ngày tải lên: 20/03/2014, 13:05

... mesoporous materials are promising for applications to control Cr(VI) pollution Molecular doping and heterojunction technologies were introduced to develop a novel inorganic-organic hybrid photocatalyst ... process for chromium removal because it has relatively reusable, low costs, large adsorption capacity and high efficiency Metal oxides [67-69], hydrous metal oxides [70-73], hybrid materials [74], polymers ... Pseudo-first-order kinetics for Cr(VI) adsorption on UIO-66 90 Figure 3.10 Pseudo-second-order kinetics for Cr(VI) adsorption on UIO-66 91 Figure 3.11 Interparticle diffusion kinetics for Cr(VI) adsorption...

Ngày tải lên: 09/09/2015, 08:18

... results for the Al-alloy specimens: (a)  yy /  y for the sidegrooved specimens; (b)  yy /  y for the plane-sided specimens; (c)  m /  e for the side-grooved specimens; and (d)  m /  e for ... MIXED-MODE DUCTILE FRACTURE IN METAL MATERIALS FOR OFFSHORE APPLICATIONS YANG WUCHAO (B ENG., HUST, M ENG., HUST) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT ... versus the load results for mixed-mode specimens: (a)   -P for Mode I dominant Al-alloy specimens; (b)  / / -P for Mode II dominant Al-alloy specimens; and (c)  -P for X65 specimens ...

Ngày tải lên: 09/09/2015, 10:19

... to prepare biomaterials for biomedical applications The self-assembling PA system was used as the mimicking means by which the biomimetic materials were prepared for biomedical applications in ... host-biomaterials relationship and identify bioactive components for improving restoration, leading to new design principles and synthetic strategies for biomaterials The “second generation” biomaterials ... self-assembly to form long nanofibers and further entangle into 3D fibrous hydrogel network Biomaterials prepared from this system have been studied for a number of applications, such as scaffolding for tissue...

Ngày tải lên: 09/09/2015, 18:57

... of organic electroluminescent conjugated polymers The organic conjugated polymers have emerged as the materials of immense importance for their promising applications in organic light emitting ... two-photon action cross-section value for both xii the compounds have made them potentially useful for two photon probes for biological applications Star-shaped TPA materials are well explored in literature ... conjugated polymers and twophoton absorption materials has been given in Chapter one which presents a detailed review of the literature about the conjugated polymers and twophoton absorption (TPA) materials...

Ngày tải lên: 10/09/2015, 08:24

... PERPENDICULAR MAGNETIC ANISOTROPY MATERIALS FOR SPINTRONICS APPLICATIONS HO PIN (B Eng (Hons.), NUS) A THESIS SUBMITTED FOR THE DOCTOR OF PHILOSOPHY DEPARTMENT OF MATERIALS SCIENCE AND ENGINEERING ... devices for MRAM applications Figure 1.2 Schematic diagram of GMR for the parallel and anti-parallel configurations based on a simple resistor model Figure 1.3 Schematic diagram of TMR for ... 2011, Development of Magnetic Materials and Devices for Information Storage, Poster Presentation (Singapore, Singapore) Annual Conference on Magnetism and Magnetic Materials (MMM 2011), Perpendicular...

Ngày tải lên: 10/09/2015, 09:22

... [38, 39], in therapeutic modality for treating skin cancer [40], and potential materials for applications such as photo- 15 voltaic cells and batteries, LEDs, laser materials [40, 41] and opto-electronic ... suited/tailor-made for certain specific applications Therefore, the standard potentials for the redox systems of the proposed catalysts and that of TiO2 are listed in Figure 2.1 for a conceptual ... gratitude to Dr Sreekumaran for giving me some valuable tips about research I am very indebted to Raji, for being my big sister and for her tireless friendship with me I thank her for traveling with me...

Ngày tải lên: 05/10/2015, 19:04

... performance and efficiency advantages of parallel databases to achieve a hybrid system that is well suited for the analytical DBMS market and can handle the future demands of data intensive applications ... in the hybrid direction, there remains a need for a hybrid solution at the systems level in addition to at the language and interface levels This paper focuses on such a systems-level hybrid ... performance of parallel databases systems In the following sections, we will describe our attempt to build such a hybrid system InputFormat Implementations Database Connector Task with InputFormat...

Ngày tải lên: 19/02/2014, 12:20

... Active Polymers: An Overview inputs) Different types of nonelectrically deformable polymers are chemically activated polymers, shape-memory polymers, inflatable structures, light-activated polymers, ... developed for wide range of applications and for hydrodynamic propulsion Various swimming and flapping applications have been also been researched [36] 1.3.2.3 Conducting Polymers Conducting polymers ... The amount of deformation of these materials is usually much more than electronic EAP materials, and the deformation mechanism bears more resemblance to a biological muscle deformation The induced...

Ngày tải lên: 14/03/2014, 14:20

... parameters for optimization (Table 1) There is no general procedure for MIP preparation; therefore, depending on the Imprinted polymer application, procedures need to be examined thoroughly before ... dopamine–MIP is for dopamine and, 0.03 for norepinephrine and 0.02 for epinephrine) Electro-polymerization method An electro-polymerization method was applied to prepare imprinted polymers on quartz ... the sensor surface Table Variables that need to be optimized for the preparation imprinted polymers Imprinting mechanism Polymerization format Monomer selection Medium selection Polymerization conditions...

Ngày tải lên: 23/03/2014, 07:20

... Active Polymers: An Overview inputs) Different types of nonelectrically deformable polymers are chemically activated polymers, shape-memory polymers, inflatable structures, light-activated polymers, ... developed for wide range of applications and for hydrodynamic propulsion Various swimming and flapping applications have been also been researched [36] 1.3.2.3 Conducting Polymers Conducting polymers ... The amount of deformation of these materials is usually much more than electronic EAP materials, and the deformation mechanism bears more resemblance to a biological muscle deformation The induced...

Ngày tải lên: 27/06/2014, 18:20

... which shows a general platform for a similar array has been constructed 16 New Polymers for Special Applications Figure A sensor array consisting of eight CHEMFETs, for more details look at (Polk, ... properly cited 4 New Polymers for Special Applications б  en (1) For intrinsic conductivity, n decreases exponentially with increasing band gap, since the conjugated polymers have relatively ... 32 New Polymers for Special Applications idea of a supported hydrogel has been employed for decades in the planar configurations Deposition of planar polymer networks onto supports allows for i...

Ngày tải lên: 28/06/2014, 10:20

... relatively small force where a cantilever-shaped actuator (2 × 10 × 0.18 mm) can generate about 0.6 mN, and therefore its applications need to be scoped accordingly Some of the applications that ... IPMC materials The following applications are described: (1) 3-DOF tactile sensor (2) Patterned sensor on an IPMC film Applications of Ionic Polymer-Metal Composites 229 9.2 Haptic Interface for ... skin deformations caused by contacting to the objects This suggests that the reproduction of the same physical factors of materials is not necessary for representing the virtual touch of materials...

Ngày tải lên: 10/08/2014, 02:20

... near future For these reasons, it is meaningful to study methodologies for the effective use of such materials for manipulation with an eye to future applications A promising candidate for such ... finger They could perform Hz (129.0) (114.9) Hz Hz (97.7) (82.2) Hz -1 (*) : Average force for Hz [gf] -2 2.5 3.5 Amplitude of very-low frequency vibration [V] Figure 9.12 Pressure force vs driving ... Many gel materials for actuators have been studied up to the present The Nafion-platinum composite (IPMC or ICPF) is a new material that is closest to satisfying the requirements for our applications...

Ngày tải lên: 10/08/2014, 02:20

... several robotic applications developed using IPMC materials, which the authors have been developed as attractive soft actuators and sensors We introduced following unique devices as applications ... the axial deformation is ignored, however, its position in the x direction is determined geometrically by the lateral deformation only As shown in Figure 10.5, an infinitesimal deformation du ... W Yim, K J Kim Figure 10.5 Deformed element and nodal displacement 10.3.3 Energy Formulation In the kinematic analysis of a beam, axial extension and shearing deformation are ignored, and only...

Ngày tải lên: 10/08/2014, 02:20

... Active Polymers: An Overview inputs) Different types of nonelectrically deformable polymers are chemically activated polymers, shape-memory polymers, inflatable structures, light-activated polymers, ... materials have a glass transition temperature inadequate for low temperature actuation applications In contrast, ionic EAP materials such as gels, ionic polymer-metal composites, conducting polymers, ... The amount of deformation of these materials is usually much more than electronic EAP materials, and the deformation mechanism bears more resemblance to a biological muscle deformation The induced...

Ngày tải lên: 10/08/2014, 02:20

... developed for wide range of applications and for hydrodynamic propulsion Various swimming and flapping applications have been also been researched [36] 1.3.2.3 Conducting Polymers Conducting polymers ... state, where the deformation state can be held with minimal energy This deformation can be exploited in robotic applications [36] Compared to piezoelectric materials, conducting polymers are predicted ... is a special advantage for medical actuator applications such as catheters or for microactuators [57] Conducting polymers are considered a suitable material as a matrix for enzymes in biosensors,...

Ngày tải lên: 10/08/2014, 02:20

... nanocomposite elastomer systems; 55 kPa for silicone, 88 kPa for a Na+-MMT nanocomposite, and 72 kPa for a MT2EtOH-MMT nanocomposite For these three systems of silicone-based materials, the generated stress ... metals, ceramics, or other polymers (linear or highly cross-linked polymers) can be stretched reversibly for only about 1% Above this level, they undergo permanent deformation in an irreversible ... by solving the quadratic equation for the strain constraint as sx (1 sz ) 0.5 (2.7) For low strain materials, the elastic strain energy density (ue) of actuator materials has been estimated as...

Ngày tải lên: 10/08/2014, 02:20

... may not be constant but in the form of an equation Robotic Applications of Artificial Muscle Actuators 59 Figure 3.7 Lumped mass model for left half of actuator For example, the equivalent viscous ... K ( x ) g e E ( x , VL , VR ) (3.7) where Mx is the inertial force, B(x) represents the damping force, and F (t ) denotes external forces K ( x) and E ( x, VL , VR ) are obtained from Eqs (3.5) ... Because elastomers are viscoelastic materials, they have complicated energy dissipating mechanisms Therefore, it is not easy to take all the effects into consideration for modeling Instead, overall...

Ngày tải lên: 10/08/2014, 02:20