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16 Newest Publications about the topic cuvettes

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Construction of a photochemical reactor combining a CCD spectrophotometer and a LED radiation source

27-Jun-2012 | Melinda Gombar; Eva Jozsa; Mihaly Braun; Katalin Osz, Photochemical & Photobiological Sciences, 2012

An inexpensive photoreactor using LED light sources and a fibre-optic CCD spectrophotometer as a detector was built by designing a special cell holder for standard 1.000-cm cuvettes. The use of this device was demonstrated by studying the aqueous photochemical reaction of ...

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The use of outer filter effects for Cu2+ quantitation: a unique example for monitoring nonfluorescent molecule with fluorescence

25-Oct-2011 | Zong, Wansong; Cao, Shutao; Xu, Qifei; Liu, Rutao, Luminescence, 2011

ABSTRACT This article concerns a new and precise strategy for the determination of Cu2+ based on a color reaction and outer filter effects (OFEs). Cu2+ can react with sodium diethyldithiocarbamate trihydrate (DDTC) to form a DDTC–Cu2+ complex with a significant absorption at 447 nm. Being ...

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Development of a high-throughput G4-FID assay for screening and evaluation of small molecules binding quadruplex nucleic acid structures

28-Apr-2011 | Eric Largy, Florian Hamon, Marie-Paule Teulade-Fichou, Analytical and Bioanalytical Chemistry, 2011

G4-FID (G-quadruplex fluorescent intercalator displacement) is a simple and fast method that allows to evaluate the affinity of a compound for G-quadruplex DNA and its selectivity towards duplex DNA. This assay is based on the loss of fluorescence of thiazole orange (TO) upon competitive ...

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In Situ Observation and Measurement of Evaporation-Induced Self-Assembly under Controlled Pressure and Temperature

22-Feb-2011 | Lei Yang; Kuiyi Gao; Yanhong Luo; Jianheng Luo; Dongmei Li; Qingbo Meng, Langmuir, 2011

In situ observations of evaporation-induced colloidal self-assembly and in situ measurement of mass transfer process were carried out under a temperature and pressure controlling system. The growth processes of colloidal crystals in different cuvettes recorded by direct video observations ...

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Emergence of Supramolecular Chirality by Flows

15-Nov-2010 | Arteaga, Oriol; Canillas, Adolf; Crusats, Joaquim; El‐Hachemi, Zoubir; Llorens, Joan; Sacristan, Eduardo; Rib ..., ChemPhysChem, 2010

Abstract Hydrodynamic forces in stirred solutions induce chirality in some supramolecular species of J‐aggregates, as detected at the level of the electronic transition. However, the mechanism that explains the phenomenon remains to be elucidated, although the basic effect of hydrodynamic ...

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Capillary circular dichroism

01-Jan-2010 | Waldron, Daniel E.; Marrington, Rachel; Grant, Marcus C.; Hicks, Matthew R.; Rodger, Alison, Chirality, 2010

Abstract Circular dichroism (CD) has become an increasingly important tool in the study of biological molecules as it enables structural information to be obtained nondestructively on solution‐phase samples. However, sample requirements for CD are often seen as being too high with protein ...

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