Results 131 to 140 of about 5,692 (237)

Status of fiberoptics technology for propulsion control systems [PDF]

Optical sensors and optically controlled actuators for use in airbreathing engine control systems are discussed. The environmental conditions in which the aircraft will operate require the fiberoptic cables and optical connectors to perform reliably at ...
Baumbick, R. J.
core   +1 more source

Recent advances in photopharmacology: Harnessing visible light‐activated azobenzene photoswitches

Responsive Materials
In the era of precision medicine, photopharmacology that employs molecular photoswitches offers unique opportunities to control the action of bioactive molecules with high spatiotemporal resolution, while reducing drug side effects, systemic toxicity and
Yongliang Feng, Kun Zhang, Xingrui Gao, Weiwei Yang, Junya Wan, Hong‐Ru Fu, Hui Guo, Ziyong Li   +7 more
doaj   +1 more source

Control technology for future aircraft propulsion systems [PDF]

The need for a more sophisticated engine control system is discussed. The improvements in better thrust-to-weight ratios demand the manipulation of more control inputs. New technological solutions to the engine control problem are practiced.
Lehtinen, B., Merrill, W. C., Soeder, J. F., Szuch, J. R., Zeller, J. R.   +4 more
core   +1 more source

Synthesis of N-acetyl diazocine derivatives via cross-coupling reaction

Beilstein Journal of Organic Chemistry
Diazocines are photoswitches derived from azobenzenes by bridging the two phenyl rings in ortho position with a CH2CH2 group forming an eight membered (diazocine) ring.
Thomas Brandt, Pascal Lentes, Jeremy Rudtke, Michael Hösgen, Christian Näther, Rainer Herges   +5 more
doaj   +1 more source

Development of label-free light-controlled gene expression technologies using mid-IR and terahertz light

Frontiers in Bioengineering and Biotechnology
Gene expression is a fundamental process that regulates diverse biological activities across all life stages. Given its vital role, there is an urgent need to develop innovative methodologies to effectively control gene expression.
Hirohito Yamazaki, Hirohito Yamazaki, Ryusei Sugawara, Yurito Takayama   +3 more
doaj   +1 more source

Photoswitches [PDF]

Nature Photonics, 2017
openaire   +1 more source

Reversible phase transition in 8,19-dimethyl-2,3,8,19-tetraazapentacyclo[13.7.0.04,12.06,10.017,21]docosa-1(15),2,4(12),5,10,16,21-heptaene-7,9,18,20-tetrone

Acta Crystallographica Section E: Crystallographic Communications
The crystal structure of the title compound, C20H14N4O4, was previously reported at 220 K [Businski et al. (2025). Chem. Eur. J. A71, 3–8], where it crystallizes in the monoclinic space group P21/c with one crystallographically independent molecule in a ...
Christian Näther, Artjom Businski, Rainer Herges   +2 more
doaj   +1 more source

Switchable molecular tweezers: design and applications

Beilstein Journal of Organic Chemistry
Switchable molecular tweezers are a unique class of molecular switches that, like their macroscopic analogs, exhibit mechanical motion between an open and closed conformation in response to stimuli.
Pablo Msellem, Maksym Dekthiarenko, Nihal Hadj Seyd, Guillaume Vives   +3 more
doaj   +1 more source

Understanding X-ray-induced isomerisation in photoswitchable surfactant assemblies

Beilstein Journal of Organic Chemistry
Dynamic, responsive materials can be built using photosurfactants (PS) that self-assemble into ordered nanostructures, such as micelles or liquid crystals.
Beatrice E. Jones, Camille Blayo, Jake L. Greenfield, Matthew J. Fuchter, Nathan Cowieson, Rachel C. Evans   +5 more
doaj   +1 more source

On the unexpected mechanism of isomerization in tautomerizable azo photoswitches. [PDF]

Commun Chem
Hillel C, Barrett CJ, Pietro WJ, Mermut O.   +3 more
europepmc   +1 more source