Note: Crystal nanoparticles are produced and propagated using  various methods, such as CVD, laser irradiation, and discharge  . CVD method  is the best option for the industrial production of crystal nanoparticles. The reason for this is the low  cost-to-income ratio as well as the possibility of vertical growth of crystal particles on the desired substrate  . In this process, the crystal nanoparticles in the  negative electrode are sublimated, which  is due to the high temperature in the discharge process. Since  this method was used for the synthesis of  crystal nanoparticles  for the first time, it is known as the most common method of producing  crystal nanoparticles  . In this method,  there are both types of  crystal nanoparticles  , single-walled and  multi-walled, with lengths up to 50 microns containing  structural defects. In the process of laser radiation, a laser is used to vaporize  graphite and an inert gas  is used to direct these vapors into the tank.  Crystal nanoparticles grow  on the cold surface of the reactor  . It  is suitable for the production of  multi-walled crystal nanoparticles  . And by  using graphite composite  and metal catalyst particles of  cobalt and nickel combination (for the synthesis of  crystal nanoparticles)  . The efficiency of this process is 70  % and its main product  is crystal nanoparticles  , the diameter of these  crystal nanoparticles is completely controllable and  the diameter of  the crystal nanoparticles can be  controlled as desired by changing the temperature. He  used  the CVD method with the help  of a catalyst to produce  crystal nanoparticles . During the CVD process, a layer of  nickel, cobalt and  metal catalyst particles, generally  iron,  is used to produce  crystal nanoparticles . CVD is a common method for the commercial production  of crystal nanoparticles  . In this method, the diameter of  crystal nanoparticles  is related to the dimensions of metal particles. By  patterning the substrate, using heat treatment and  H plasma etching of the catalyst,   the diameter of the   crystal nanoparticles  can be  controlled. 
Note: The effect of reaction temperature on the size of nanoparticles is different in determining the size of the reaction temperature, and the size of the particles plays a role as an indicator. A suitable reaction temperature produces nanocrystals with a narrow size.At such a temperature, the stages of nucleation and growth happen separately and can even delay the start of the growth stage, so that it takes place after the formation of nuclei. In general, increasing the reaction temperature increases the rate of the reduction reaction. But regarding the effects of temperature, the loading and particle size of nanomaterials and the optimal temperature for the production of electrochemical nanoparticles with chemical reduction method were experimentally obtained for disturbed production conditions. Regarding the synthesis of nanoparticles using the chemical reduction method, with increasing reaction temperature, the size of electrochemical nanoparticles increased and non-uniform particles were obtained. This behavior at a lower temperature, the growth rate of the nuclei is lower and the size of the produced particles is smaller, and the uniformity of the required particles is higher. Investigating the effects of temperature on the chemical regeneration of nano-materials and the effect on electrochemical particles that temperature has significant effects on the shape, size and shape of nanoparticles. At low temperatures (zero degrees), the reaction rate is very low and the process of completing the reduction reaction takes hours. At a temperature between 10 and 55 degrees Celsius, with the increase in temperature, the rate of reaction increases and the size of the produced particles also increases.
Note: The dynamic process of sorting and precise positioning of nanoparticle biomass in pre-defined microstructures is very important, however, this is a major obstacle to the realization of surface-sensitive nanobiosensors and practical nanobiochips. A scalable, widespread and non-destructive trapping method based on dielectric forces is much needed for nanoparticle collection and nanobiosensing tools.  Here, we present a vertical nanogap architecture with an electrode-insulator-electrode stack structure.  Facilitate the generation of strong dielectric forces at low voltages, for precise capture and manipulation of nanoparticles and molecular assemblies, including lipid vesicles and amyloid-beta fibrillar proteins/oligomers.  Our vertical nanoplastic platform allows low-voltage nanoparticles recorded in optical dimensional designs, providing new opportunities for the fabrication of advanced surface-sensitive sensors. Nano biosensors appear as a powerful alternative to conventional analytical techniques, as nanosensors perform highly sensitive, real-time, and high-frequency monitoring of pollutants without extensive sample preparation.  Nano biosensors can be integrated into small devices for rapid screening and monitoring of a wide range of pollutants. Since the nano biosensor is  an analytical device, used to detect a chemical substance, which  is a combination of a biological component with a physicochemical detector.  Sensitive biological element  , for example tissue, micro-organisms  , etc., component of material or biomimetic that interacts with nanoparticles.