2011
DOI: 10.1007/s00216-011-5340-5
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Amorphous carbon nanoparticles: a versatile label for rapid diagnostic (immuno)assays

Abstract: Carbon nanoparticles (CNPs) labeled with reporter molecules can serve as signaling labels in rapid diagnostic assays as an alternative to gold, colored latex, silica, quantum dots, or up-converting phosphor nanoparticles. Detailed here is the preparation of biomolecule-labeled CNPs and examples of their use as a versatile label. CNPs can be loaded with a range of biomolecules, such as DNA, antibodies, and proteins (e.g., neutravidin or a fusion protein of neutravidin with an enzyme), and the resulting conjugat… Show more

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Cited by 140 publications
(72 citation statements)
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“…These characteristics show that CB has the ability to intercalate ions on graphite layers [29], which affects electrical conduction between particles by tunneling [30] and the surface reaction. In particular, the surface area, the number of edges planned, and the structural defects depend on the synthesis or functionalization processes, which create several functional groups that can be useful for the immobilization of various species, such as enzymes [31], genetic material [32], antibodies [33], and nanoparticles [4]. The sum of structural and electrical/electronic characteristics, ability to produce stable dispersion without the need for sophisticated procedures, and the fact that it is an extremely cheap material make the CB an interesting nanostructured material for the development of electrochemical devices for sensing and biosensing.…”
Section: Considerations On Carbon Black Nanomaterialsmentioning
confidence: 99%
“…These characteristics show that CB has the ability to intercalate ions on graphite layers [29], which affects electrical conduction between particles by tunneling [30] and the surface reaction. In particular, the surface area, the number of edges planned, and the structural defects depend on the synthesis or functionalization processes, which create several functional groups that can be useful for the immobilization of various species, such as enzymes [31], genetic material [32], antibodies [33], and nanoparticles [4]. The sum of structural and electrical/electronic characteristics, ability to produce stable dispersion without the need for sophisticated procedures, and the fact that it is an extremely cheap material make the CB an interesting nanostructured material for the development of electrochemical devices for sensing and biosensing.…”
Section: Considerations On Carbon Black Nanomaterialsmentioning
confidence: 99%
“…21,120 However, there are few reports of their application in the cellular delivery of therapeutic agents. One recent report on this subject describes the use of hollow permeable carbon nanospheres (several hundred nanometers in size) that are coated in biodegradable polymer for the oral delivery of insulin.…”
Section: Porous Carbon Nanospheres For Drug Deliverymentioning
confidence: 99%
“…19,20 There are already many reports that discuss the properties and biomedical applications of carbon nanotubes, graphene and even amorphous carbon nanoparticles. [21][22][23][24] In this review, we focus on the therapeutic applications (nanomedicine and drug delivery) of spherical nanocarbon materials, mainly fullerene nanoparticles, carbon nanohorn aggregates, nanodiamonds and porous carbon nanospheres (Figure 1). These nanocarbon materials have distinct structures, comprising SP 2 or SP 3 hybridized carbons.…”
Section: Introductionmentioning
confidence: 99%
“…Carbon nanoparticles have been used as an alternative labeling tag because of their high sensitivity, low cost, high stability, and ease of preparation (Posthuma-Trumpie et al, 2012). Noguera et al (2011) developed a carbon nanoparticle-based LFTS for the detection of Shiga toxin-producing E. coli.…”
Section: Labeling Tagsmentioning
confidence: 99%