geoscience.net logo
+ Resolve Article
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter

+ Translate
+ Subscribe to Site Feed
GeoScience Most Shared ContentMost Shared Content

Hydrothermal synthesis of GSH-TGA co-capped CdTe quantum dots and their application in labeling colorectal cancer cells


, : Hydrothermal synthesis of GSH-TGA co-capped CdTe quantum dots and their application in labeling colorectal cancer cells. Colloids and Surfaces. B, Biointerfaces 95: 247-253

We have successfully synthesized GSH and TGA co-capped CdTe quantum dots (QDs) with good biological compatibility and high fluorescence intensity. The effects of different reaction time, temperature, pH value, ligand concentration and the molar ratio of GSH/TGA were carefully investigated to optimize the synthesis condition. The optical properties of as-prepared CdTe QDs were studied by UV-visible absorption spectrum and fluorescence spectrum, meanwhile their structure and morphology were characterized using transmission electron microscope (TEM), Fourier transform infrared spectra (FT-IR) and X-ray powder diffraction (XRD). Compared with the CdTe QDs that are single-capped with either GSH or TGA, the GSH-TGA co-capped CdTe QDs demonstrated significantly improved fluorescence intensity and optical stability. In addition, GSH-TGA co-capped CdTe QDs were conjugated to amonoclonal antibody ND-1. The GSH-TGA co-capped CdTe QDs-antibody probe was successfully used to label colorectal cancer cells, CCL187, in vitro.

US$19.90

PMID: 22494668

DOI: 10.1016/j.colsurfb.2012.03.011


Other references

Sicuteri, F.; Fusco, B.M.; Marabini, S.; Campagnolo, V.; Maggi, C.A.; Geppetti, P.; Fanciullacci, M., 1989: Beneficial effect of capsaicin application to the nasal mucosa in cluster headache. Capsaicin application to human nasal mucosa was found to induce painful sensation, sneezing, and nasal secretion. All of these factors exhibit desensitization upon repeated applications. The acute effects induced by capsaicin (300 micrograms/100 m...

Kirpes, D.R.gers, L., 1981: Farmland leasing arrangements in Whitman County, Washington, 1980. This paper analyzes farmland lease agreements of 265 tenants in Whitman County and indicates that in 1980 crop share leases dominated. The study reviews details of written and oral contracts, form size and land ownership, and type of crop.

Srikumar, R.; Li, X.Z.i; Poole, K., 1997: Inner membrane efflux components are responsible for b-lactam specificity of multidrug efflux pumps in Pseudomonas aeruginosa. The Pseudomonas aeruginosa MexAB-OprM multidrug efflux pump, which exports a wide variety of b-lactam antibiotics, was studied. b-lactams may leave the cell via the outer membrane OprM without interacting with MexA and MexB, although these inner m...

Levin, G.S.mmons, R.; Katzeff, I.R.sendorff, C., 1982: The effect of dietary fat on mitochondrial ultrastructure in rat heart. Proceedings Electron Microscopy Society of Southern Africa = Verrigtings Elektronmikroskopievereniging van Suidelike Afrika2(12): 63-64

Wehrmann, T., 2010: Extended monitoring of the sedated patient: bispectral index, Narcotrend and automated responsiveness monitor. It has been demonstrated that a processed EEG derivative may reflect the patient's level of consciousness during endoscopic sedation. However, to date a clinical benefit of EEG monitoring with respect to relevant safety parameters in routine...

Hack, M.; Fanaroff, A.A.; Merkatz, I.R., 1979: Current concepts: the low-birth-weight infant--evolution of a changing outlook. New England Journal of Medicine 301(21): 1162-1165

Chen, L.; Shi, N.; Dong, J.; Li, T.; Chen, D., 2004: Effects of estradiol on deltamethrin-induced neurotoxicity in rat cerebro-cortical synaptosomes. To investigate the neuroprotective effect of estradiol on the release of excitatory amino acid (EAAs) mediator, and the activity of ATPase in cerebro-cortical synaptosome membrane of rats exposed to deltamethrin. Using HPLC to detect EAAs release,...

Roujean, J.L., 1999: Two-story equations of transmission of solar energy (TSETSE) in open boreal conifer tree stands. This paper presents the two-storey equations of transmission of solar energy (TSETSE) model aimed to mimic the directional signature of the transmittance measured beneath conifer tree stands which form a highly clumped and discontinuous medium. Th...

Grimbaldeston, M.A.; Skov, L.; Finlay-Jones, J.J.; Hart, P.H., 2002: Squamous cell carcinoma is not associated with high dermal mast cell prevalence in humans. S100A2 is a calmodulin-like, p53-inducible, homodimeric protein that is readily oxidized in keratinocytes subjected to oxidative stress. Here we compare the redox status and subcellular distribution of S100A2 in normal human keratinocytes, immorta...

Yoshida, T., 1981: Observations on Antithamnion miharae Tokida and Antithamnion corallina Kjellman (Rhodophyta, Ceramiales) from the east coast of Hokkaido, Japan. Hokkaido Daigaku Rigaku bu kiyo = Journal of the Faculty of Science Hokkaido University Series V: Botany 12(3): 173-182