[PDF] Top 20 Optical fiber-based heavy metal detection using the Localized Surface Plasmon Resonance technique

... by heavy metal ions (especially mercury, cadmium, and lead) can cause serious environmental problems and human and animal health problems because of their acute, chronic toxicity to biological organisms ... See full document

... drug detection, food quality and safety, and environmental monitoring ...biosensors based on optical transducer principles, such as those using techniques such as fluorescence [3–5], ... See full document

... the technique has limitations involving erro- neous interpretations and a lack of sensitivity at low ...sensitivity, optical methods such as fluores- cence spectroscopy have been used ...label-free ... See full document

... and optical biosensors[8]. Localized surface Plasmon resonance (LSPR) technique based on gold nano-particles is good methods because it has good sensitivity, good ... See full document

... a metal nanoparticle structure allows for very strong coupling between the electron reson- ances with the light coming simultaneously in metallic nanostructures ...of metal nanoparticles has been carried ... See full document

... sensitivity detection of biological/chemical molecules and molecular binding event in liquid has become a major area of interest in the past few ...label-free detection became popular in last few ... See full document

... noble metal nanopar- ticles when the light is incident is called localized surface plasmon (LSP), and the phenomenon that the scattered signals in incident lights by nanoparticles are ampli- ... See full document

... of optical fibres and environmental condition ...employs surface plasmon resonance (SPR) as the detection method has been ...a resonance phenomenon in which surface ... See full document

... metal surface. There is a slight difference for the shift of resonance an- gle among different heavy metal ...ions based on periodic ...SPR technique as an alternative ... See full document

... antigens using various types of receptors [1, ...fast detection time, high sensitivity, miniaturization, manufacturing cost, ...biosensor based on nanotechnology, all of these characteristics can be ... See full document

... the case of the two-layered device, with air as the sur- rounding medium two stopbands were observed in the transmission spectrum for different polarization states, this time at 1370 nm and 1550 nm: see Fig. 4. Due to ... See full document

... slice surface, after which the nanochip was washed thoroughly with ethanol and dried at room ...modified surface and overnight incubation at 4 ° C ...immobilized surface was immersed in 1 M ... See full document

... The surface plasmon resonance (SPR) of silver nanoparticles can be tuned throughout the visible and near-infrared region by their shape and ...quadrupole plasmon resonance, and the SPR ... See full document

... and two ends of the gap, so for R = 0, peak 1 is a higher- order LSPR mode. When R is larger than 0, the higher- order LSPR mode disappears and the structural symmetry of the dimer is broken. Then peak 1 can be ... See full document

... of surface plasmon resonance sensor based on attenuated total reflection (ATR) with Kretschmann’s ...of optical fiber, a metal layer of thickness (d1) and dielectric ... See full document

... A surface Plasmon resonance (SPR) sensor highly sensitive and selective for morphine (MO) was prepared in molecular imprinted technology, in which methacrylic acid (MAA) was used as the functional ... See full document

... instead using the same Tau 381 utilized in the SPR ...over surface chemistry and non- specific adsorption on the SPR chip and the use of continuous flow microfluidics beneficial at low target concentrations ... See full document

... Surface plasmon resonance (SPR) is a charge-density oscillation that may exist at the interface of two media with dielectric constants of opposite signs, for instance, a metal and a ...This ... See full document

... the surface of gold ...rod surface via the formation of an amide ...confirmed using UV-vis spectroscopy and ...nM using an extinction coefficient of 5 x 10 -9 M -1 cm -1 at 785 ... See full document

... of fiber optic SPR sensors; however, the exploitation of the fiber optic SPR sensors for biosensing remained rather limited, mainly due to the lack of referencing ...in fiber optic structures has ... See full document