Changes in creative thinking, as measured by Torrance's (1974) Thinking Creatively with Pictures, and in dance/movement skills were investigated in two groups of hearing-impaired students, aged 9-14. The experimental group (n=10) received 20 creative dance/movement lessons spaced over a 10-week period, whereas the control group (n=10) adhered to its regular school routine. Analysis of covariance showed that students given dance training improved significantly in originality, elaboration, total thinking creatively score, and dance/movement skills. The rationale for including the creative arts, particularly dance, in the curricula for hearing-impaired students was thus strengthened.
The investigation
and understanding of the underlying mechanisms
for the crystallization of molecular sieve materials, such as metal–organic
frameworks (MOFs) and zeolites, have received increasing interest
in recent years. This is mainly because improvements of the corresponding
equipment were made that are essential for in situ diagnostics. In
contrast to classical techniques, such as X-ray diffraction and neutron
scattering, nuclear magnetic resonance, or infrared and Raman spectroscopy,
ultrasonic monitoring has not received proper attention. Thereby,
especially for zeolites, important insights have been gained with
this technique already. However, for MOFs, the number of publications
dealing with in situ US monitoring is still limited. Therefore, this
perspective gives an overview of the topic of in situ monitoring of
crystallization of zeolites and MOFs and highlights the work that
has been done so far by ultrasonic monitoring. Furthermore, we state
benefits and current challenges for further establishing ultrasonic
monitoring as a tool for the investigation of crystallization processes.
The ability to molecularly engineer luminescent metal-organic frameworks is a powerful tool for the design of better performing rational temperature sensors. Lanthanide based MOF stand out as luminescent temperature sensors due to the high luminescence intensity and sharp emission lines of the lanthanides. The use of two different lanthanide cations incorporated into the same MOF structure is supposed to allow for a rational, that is self-referencing, temperature sensing. Here, we present series of mixed EuxTb(1-x)BTC, which were designed as nanoparticles. The EuxTb(1-x)BTC series shows controllable luminescent properties, which depend on the solvation of the lanthanide. The two MOFs in the series with the lowest Eu content, i.e. Eu0.04Tb0.96BTC and Eu0.02Tb0.98BTC, are suitable candidates for rational temperature sensing in the range between 200 and 270 K and above 300 K.
The ability to molecularly engineer luminescent metal-organic frameworks is a powerful tool for the design of better performing rational temperature sensors. Lanthanide based MOF stand out as luminescent temperature sensors due to the high luminescence intensity and sharp emission lines of the lanthanides. The use of two different lanthanide cations incorporated into the same MOF structure is supposed to allow for a rational, that is self-referencing, temperature sensing. Here, we present series of mixed EuxTb(1-x)BTC, which were designed as nanoparticles. The EuxTb(1-x)BTC series shows controllable luminescent properties, which depend on the solvation of the lanthanide. The two MOFs in the series with the lowest Eu content, i.e. Eu0.04Tb0.96BTC and Eu0.02Tb0.98BTC, are suitable candidates for rational temperature sensing in the range between 200 and 270 K and above 300 K.
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