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Carl Roth, the expert consultation for labware, life science and chemicals for more than 140 years. With around 30,000 articles available and a round-the-clock delivery service within Germany, we are the partner that research, scientific and technical laboratories can rely on. Furthermore, we devel more
Alfa Aesar, now part of Thermo Fisher Scientific is a leading manufacturer and supplier of chemicals, metals, and life science products for research and development. For more than 50 years, scientists have relied on Alfa Aesar to supply high purity raw materials for a variety of research and dev more
The key to effectively measuring damagingly high levels of nutrients in freshwater streams lies in the microscopic organisms living in them, according to a group of Drexel University scientists. A team largely made up of researchers from the Academy of Natural Sciences of Drexel University analyzed more
Is there any connection between wine and biodiesel? The answer is yes, however surprising it may seem. Acetals are chemical compounds found in many wines, like port, for example, which give it a unique, sweet smell. However if acetals are blended with biodiesel, they improve its properties. The SUPR more
How do you compare the impact of a researcher in chemistry or physics with a molecular biologist who may be working on similar projects? Two experts support the use of citation indicators that are based on percentiles, a statistical parameter that allows for comparisons with a carefully defined grou more
Following on from the start of the Chemistry Advent Calendar yesterday, here’s another festive post, this time looking at the chemistry of the poinsettia plant. The red leaves of the poinsettia plant can be used to make a pH indicator, due to their chemical composition; this is actually something of more
Most of us, chemists or otherwise, have probably come across pH indicators at one point or another. I’d be surprised if there’s anyone out there who hasn’t, back in school, carried out the standard experiment of adding universal indicator to a variety of household liquids to identify them as acidic more
IJERPH, Vol. 15, Pages 1374: Exposure to Environmental Tobacco Smoke in Relation to Behavioral, Emotional, Social and Health Indicators of Slovak School Children International Journal of Environmental Research and Public Health doi: 10.3390/ijerph15071374 Authors: Ludmila Sevcikova Jana B more
by Jason S. Rockel, Weidong Zhang, Konstantin Shestopaloff, Sergei Likhodii, Guang Sun, Andrew Furey, Edward Randell, Kala Sundararajan, Rajiv Gandhi, Guangju Zhai, Mohit Kapoor Multiple factors can help predict knee osteoarthritis (OA) patients from healthy individuals, including age, sex, and B more
Neuromodulatory systems exert profound influences on brain function. Understanding how these systems modify the operating mode of target circuits requires spatiotemporally precise measurement of neuromodulator release. We developed dLight1, an intensity-based genetically encoded dopamine indicator, more
Indicator diagram In the technology of the steam engine , the indicator diagram was a device developed by James Watt and his employee John Southern to improve the efficiency of engines. The diagram is simply a chart of the pressure of stea ... more
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