Analytical chemistry has experienced, as well as other areas of science, a big change due to the needs and opportunities provided by analytical nanoscience and nanotechnology. Now, nanotechnology is increasingly proving to be a powerful ally of analytical chemistry to achieve its objectives, and to simplify analytical processes. Moreover, the information needs arising from the growing nanotechn...

HITZIG, BERNARD M., AND DONALD C. JACKSON. Central chemical control of ventilation in the unanesthetized turtle. Am. J. Physiol. 235(5): R257R264, 1978 or Am. J. Physiol.: Regulatory Integrative Comp. Physiol. 4(3): R257-R264, 1978. -The cerebral ventricles (lateral-4th) of the fresh water turtle Pseudemys scripta elegans (l-2 kg) were perfused with mock cerebrospinal fluid (CSF) of normal and ...

This paper presents a neuromorphic robot using stereo-olfaction and a sniffing system based on nonselective chemosensors that mimic the animal behavior of tracking a specific odor. In order to be able to go toward an odor source, two tasks must be performed : 1) estimation of the gas-concentration gradient and 2) gas recognition independent of the intensity. It is shown how these two tasks can ...

Fast and highly selective detection of trace amounts of metal ions has become one of the most urgent issues concerning public security and living systems. However, developing a highly efficient fluorescent sensor for metal ions still remains a great challenge. Metal-organic frameworks (MOFs) are a promising class of porous fluorescent sensors towards ion detection. Herein, the anionic MOF FJI-C...

Host–Guest Complexes. The proton-gradient-driven sensitivity enhancement of liposome-encapsulated supramolecular chemosensors is reported by Werner M. Nau, Andreas Hennig et al. in their Communication (e202207950). approach was demonstrated using various host–dye reporter pairs and sensing mechanisms.

The photochemical behaviors of a series of 9-phenanthreneacetamide (PA) derivatives were investigated using UV, fluorescence, and (1)H-NMR spectroscopy in acetonitrile solutions. To apply the electron transfer (ET) action of PA as a detecting moiety of chemosensors, 4'-(9-phenanthreneacetamido)-benzo-15-crown-5 (1) and 3'-methyl-4'-(9-phenanthreneacetamido)-benzo-15-crown-5 (2) were synthesized...

1,4-Naphthoquinone based chemosensors and detect only the presence of Cu(2+) ions among other transition metal ions by changing color from orange to dark blue. Chemosensors and function as tridentate ligands, which bind Cu(2+) ions through three functional groups: an amine nitrogen, a pyridine nitrogen and a quinone oxygen. On addition of Cu(2+), both and exhibit a 168 nm red shift in absorptio...