Results 61 to 70 of about 288,583 (303)

DNA‐Templated 2D Heterostructures as Phototriggered Dynamic Nanohybrids: From Releasing Molecular Loads to Controlling Enzyme Biocatalytic Function

Advanced Functional Materials, EarlyView.
DNA strands are employed both as dynamic linkers and nanoscale templates for the integration of Ag2S nanoparticles on MoS2, which in turn imparted photothermal responsiveness; this feature permits the selective cargo (fluorophore, quantum dots or an enzyme) release from the MoS2 surface in response to local heat induced by light irradiation.
Kai Chen, Haosen Miao, Weiying Hong, Matteo Palma   +3 more
wiley   +1 more source

Frazzled promotes growth cone attachment at the source of a Netrin gradient in the Drosophila visual system

eLife, 2016
Axon guidance is proposed to act through a combination of long- and short-range attractive and repulsive cues. The ligand-receptor pair, Netrin (Net) and Frazzled (Fra) (DCC, Deleted in Colorectal Cancer, in vertebrates), is recognized as the ...
Orkun Akin, S Lawrence Zipursky
doaj   +1 more source

Exploring Curvature Effects in Direct‐Written 3D Curved Hollow Magnetic Nanoshells

Advanced Functional Materials, EarlyView.
Fabricated by a hybrid FEBID/CVD method, 3D PtC/Co3Fe core–shell heterostructures with engineered curvature and shell thickness exhibit complex reversal modes with axially symmetric N'eel‐type domain walls. XMCD‐PEEM combined with full‐scale micromagnetic simulations reveal how curvature and thickness govern the domain wall energy landscape and shape ...
Oleksii M. Volkov, Fabrizio Porrati, Florian Kronast, Riccardo Hertel, Pavlo Makushko, Olha Bezsmertna, Alexander Kuprava, Mohamad‐Assaad Mawass, Sven Barth, Michael Huth, Denys Makarov   +10 more
wiley   +1 more source

Cardiovascular Imaging Using Two-Photon Microscopy [PDF]

Microscopy and Microanalysis, 2008
AbstractTwo-photon excitation microscopy has become the standard technique for high resolution deep tissue and intravital imaging. It provides intrinsic three-dimensional resolution in combination with increased penetration depth compared to single-photon confocal microscopy.
John A, Scherschel, Michael, Rubart
openaire   +2 more sources

Strain‐Programmable Luminescent Adhesive Patch With Tartrazine‐Mediated Optical Skin Clearing for Photochemical Tissue Bonding

Advanced Functional Materials, EarlyView.
We propose a suture‐complementary approach that integrates optical skin clearing with a strain‐programmable luminescent adhesive patch. Hyaluronic acid promotes transdermal delivery of tartrazine to improve optical clearing and stabilizes its interaction with a photosensitizer. Optical clearing increases the penetration depth of visible light into skin,
Seong‐Jong Kim, Kyungjoo Jo, Kwanghyeon Park, Jun Hee Kim, Jong Hyeong Cho, Inhoo Choi, Sei Kwang Hahn   +6 more
wiley   +1 more source

Molecular engineering of individual dye-based nanoparticle photostability for ultrabright two-photon fluorescence

Beilstein Journal of Nanotechnology
Dye-based fluorescent organic nanoparticles (dFONs) represent a promising class of bioimaging probes combining high brightness with molecular tunability.
Eleonore Kurek, Sasha Cooper, Alexandre Clausolles, Karen Perronet, Jonathan Daniel, Mireille Blanchard-Desce, François Marquier   +6 more
doaj   +1 more source

Two-photon intravital imaging of leukocyte migration during inflammation in the respiratory system [PDF]

Acute and Critical Care, 2019
Two-photon intravital imaging is a powerful method by which researchers are able to directly observe biological phenomena in live organisms. Researchers in various biomedical research fields have applied two-photon imaging to a variety of target organs ...
Young Min Kim, Soi Jeong, Young Ho Choe, Young-Min Hyun   +3 more
doaj   +1 more source

Two-Photon Absorption: An Open Door to the NIR-II Biological Window?

Frontiers in Chemistry, 2022
The way in which photons travel through biological tissues and subsequently become scattered or absorbed is a key limitation for traditional optical medical imaging techniques using visible light.
Paige A. Shaw, Ewan Forsyth, Fizza Haseeb, Shufan Yang, Mark Bradley, Maxime Klausen   +5 more
doaj   +1 more source

Two-photon microscopy: Visualization of kidney dynamics [PDF]

Kidney International, 2007
The introduction of two-photon microscopy, along with the development of new fluorescent probes and innovative computer software, has advanced the study of intracellular and intercellular processes in the tissues of living organisms. Researchers can now determine the distribution, behavior, and interactions of labeled chemical probes and proteins in ...
Ashworth, S.L., Sandoval, R.M., Tanner, G.A., Molitoris, B.A.   +3 more
openaire   +2 more sources

Oxygen‐Tunnel Indium Tin Oxide Vertical Channel Transistors with Enhanced Current Density and Reliability for Monolithic 3D Compute‐In‐Memory Systems

Advanced Functional Materials, EarlyView.
Oxygen‐tunnel (OT) indium tin oxide (ITO) vertical channel transistors (VCTs) enable reliable, high‐density gain‐cell memory for monolithic 3D integration. A sandwiched SiN/SiO2/SiN OT stack selectively regulates oxygen transport, suppressing parasitic electrode oxidation while stabilizing channel oxygen vacancies, thereby suppressing carrier injection
Hyeonho Gu, Haksoon Jung, Yongwoo Lee, Hoichang Jeong, Yanfeng Zhao, Heesoo Yang, Minho Park, Hyeonjin Lee, Seunghun Baek, Minju Song, Junghwan Kim, Youngmin Jo, Hyunjin Park, Munhyeon Kim, Jae‐Joon Kim, Kyuho Jason Lee, Byungjo Kim, Jimin Kwon   +17 more
wiley   +1 more source