The DNA double helix is composed of two DNA molecules whose sequences are complementary to each other. The stability of the duplex can be fine-tuned in the lab by controlling the amount and location of imperfect complementary ...
Biochemistry
Oct 17, 2023
0
356
In 2021, lanthanide-doped nanoparticles made waves—or rather, an avalanche—when Changwan Lee, then a Ph.D. student in Jim Schuck's lab at Columbia Engineering, set off an extreme light-producing chain reaction from ultrasmall ...
Nanophysics
May 31, 2023
0
167
(Phys.org)—Astronomers from the Institute of Astronomy, Geophysics and Atmospheric Sciences (IAG) in Brazil have developed a 3D model of the planetary nebula NGC 2440, describing the kinematics and morphology of this interesting ...
(Phys.org)—Astronomers using the NASA/ESA Hubble Space Telescope have studied a giant filament of dark matter in 3D for the first time. Extending 60 million light-years from one of the most massive galaxy clusters known, ...
Astronomy
Oct 16, 2012
36
1
Absorption spectroscopy is an analytical chemistry tool that can determine if a particular substance is present in a sample by measuring the intensity of the light absorbed as a function of wavelength. Measuring the absorbance ...
Optics & Photonics
Oct 11, 2023
0
133
Vegetation can respond to drought through different mechanisms, including changes in the plants' structure and physiology. A new study led by Dr. Wantong Li and Dr. Rene Orth at the Max Planck Institute for Biogeochemistry, ...
Plants & Animals
Aug 16, 2023
0
2
Quantum electronics promises significant advances in ultra-sensitive measurements and quantum information processing. In nanoelectronic circuits, one electron can be used to precisely modify the trajectory of another electron ...
Nanophysics
Jun 30, 2023
1
58
A study has found widespread mass loss of glaciers and ice caps in Greenland since the start of the 20th century.
Earth Sciences
May 26, 2023
0
117
High-resolution microscopy techniques, for example electron microscopy or super-resolution microscopy, produce huge amounts of data. The visualization, analysis and dissemination of such large imaging data sets poses significant ...
Cell & Microbiology
Feb 23, 2023
0
10
Advanced nuclear and synchrotron imaging has confirmed that a 93-million-year-old crocodile found in Central Queensland devoured a juvenile dinosaur based on remains found in the fossilized stomach contents.
Biotechnology
Feb 15, 2022
0
427
