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. 2010 Aug 26;10(9):7947–7978. doi: 10.3390/s100907947

Table 5.

Analytical characteristics of fluorimetric sensors for mercury determination in water, published between 2007 and 2009.

λex/ λem (nm) Chromophore Tested sample LoD (μg/L) RSD (%) Ref.
510/581 Rhodamine on thioglycolic acid modified gold nanoparticles (−) River water 0.01 1.2 [87]
485/535 Polarization on DNA functionalized gold nanoparticles (+) Spiked river water 0.2 nr [88]
500/550 Rhodamine derivatives (+) Spiked waters 1 nr [89]
475/510 carboxyfluorescein on 4-([4-(dimethylamino)phenyl]azo) benzoic acid binding on DNA probes Pond water 1 nr [90]
401/538 Naphthalimide derivative of 2,6-bis(aminomethyl)pyridine Tap waters 1.4 2.3 [91]
520/600 Polythymine oligonucleotide T33, citrate-capped gold nanoparticles Pond water 2 8 [92]
273/519–527 T–T mismatch base pairs, (−) Spiked river water 4 [93]
425/646–603 Prophirin-quinoline (turn-off at 646 nm and turn on at 603 nm) Spiked river waters 4.4 nr [94]
490/510 Oligonucleotides, DNA intercalators, and conjugated polymers Standards 6.4 nr [95]
228–280/330 CdS-encapsulated DNA nanocomposite (−) Wastewater 8 [96]
438/673 Porphyrin/PVC membrane (−) Spiked river water 8 4 [97]
273/519–527 T–T mismatch base pairs (+) Buffer 8.4 [98]
480/525 DNA-functionalized gold nanoparticles & OliGreen Spiked pond water 10 [99]
499/624 Seminaphthofluorescein chromophore. (+) River waters 10 4.5 [100]
365/488 Coumarinylalkyne (−) Buffer pH 7.4 20 [101]
458/534 2-[(Aminoethylthio)propylthio]ethanamine on 7-nitro-benzo-2-oxa-1,3-diazolyl moieties (+) Acetonitrile/water 20 [102]
415/ratio 525/650 Naphthalimide-porphyrin hybrid (+) River waters 20 4.4 [103]
633/ratio 501/403 Polymer thiourea-thiadiazole-pyridine (+) Water/Tetrahydrofuran 22.6 nr [104]
490/591–520 CdSe quantum dots surface-modified with triethanolamine Standards 36 nr [105]
352/500 Quinolinocyclodextrin derivative (−) Standards 60 nr [106]
246/309 N,N′-(1,4-phenylenedimethylidyne) bis-1,4-benzene-diamine (−) Ethanol/water 9:1 120 nr [107]
303/487 8-Benzyloxyquinolinebased ester (−) Standards 520 nr [108]
300–400/ Nine cross-reactive sensing fluorescent elements on micro-plate and data processed by pattern recognition (−) Mineral waters 20,000 nr [65]
*

LoD: Limit of Detection; RSD: Relative Standard Deviation; nr: not reported; (−) turn off, (+) turn on