Recently, nanomaterial based biosensor application has drawn a lot attention among researchers because of specialty to enhance the sensor signal for increasing the sensitivity for detecting and identification of pathogen, viruses and toxic compound in controlling plant disease outbreak effectively. Rice tungro disease (RTD) causes a major problem in rice production and also will effect in the economic loss in the country. Therefore, early detection system is needed to monitor the disease at the early stage of the infection for preventing the disease outbreak in planting area. Lastly, this paper will discuss the current findings in rapid diagnostics using immunosensors technologies with nanomaterial application in enhancing the sensor signal for increasing the detection sensitivity
The plant disease such as Cucumber Mosaic Virus (CMV) and Papaya Ring Spot Virus (PRSV) is a most dangerous disease that can decrease productivity and quality of the vegetable and fruit. Besides that, its also can destroy and kill those plant in long term when infected and to tackle this problem at early stages, the nanowire based biosensor application is a most reliable sensor nowadays because of advantages towards detecting biological molecule especially plant diseases.In order to dealing with tiny form of molecules such as virus is very difficult and due to the nanostructure uniqueness such as nanowire, it can be done by undergo formation of nanowire process.Result will be elaborated about how nanowire working environment in order to detecting those virus.
Microfluidic devices present a powerful platform for working with living cells and even gases. Parameter such as the length and volume scales of these devices in miniaturize system makes it possible to develops and perform detailed analyses with several advantages. The objective of this project is to do a design of 1μm microfluidic separator device that consist the microchannel. Furthermore, another objective is to understand the fundamental physical processes of fluid flow in these devices and to predict their behavior and every method using in the simulation of COMSOL Multiphysics 3.5 software will be elaborate in numerical simulation technique section. Finally, result from the simulation such as concentration, fluidic flow pressure and velocity field will be observed and explained in the result section.
Lately, nanostructure based biosensor application has drawn a lot attention among fellow researchers because of speciality to detecting cell, tissue and even disease caused by viruses either from humans, animals or agricultures. The nanostructure based biosensoris a result of the changed nature of nanomaterial to draw biomolecules and other biological samples based.In order to do so, formation of nanostructure based biosensor such nanowire must through a couplecritical or important processes such as trimming technique which leading towards formation of nanostructure while surface modification process leading towards by changing material of nanostructure behaviour to become biosensor. All the important process will be elaborated in technique section. Lastly in the result section, form structure produced, structure measurement and its behaviour will be elaborated.
Recently microfluidic has drawn attention from fellow research because of their unique properties and behavior in biotechnology, biomedical, micro and nanotechnology. Microfluidic is a combination from several components that consists from Microhannel, micromixer, microchamber, concentrator, separation and valve but component of microfluidic will be conduct in simulation is microfluidic separation and microchannel. This paper will elaborate more about design of microchannel separator by using COMSOL Multiphysics 3.5 software and base on the result from the COMSOL Multiphysics 3.5, we can create a detail design in the autoCAD software and lastly, as the result for this paper is an actual fabrication mask will be reveal for further fabrication process.
Rice tungro disease (RTD) causes major losses to rice crop plantation. Hence, a highly sensitive tools need to be developed for the detection of RTD which can be employed in both laboratory and field. An electrochemical immunosensor system for the detection of RTD, based on immobilized specific antibodies conjugated with gold nanoparticle was developed for this purpose. However, this paper focus for RTBV interaction using the conjugated antibodies which is added with polymer and deposited on carbon screen printed working electrodes.
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