Results 91 to 100 of about 1,830,967 (340)

APO & SMARTS flare star campaign observations I. Blue wing asymmetries in chromospheric lines during mid M dwarf flares from simultaneous spectroscopic and photometric observation data [PDF]

arXiv, 2023
We conducted the time-resolved simultaneous optical spectroscopic and photometric observations of mid M dwarf flare stars YZ CMi, EV Lac, and AD Leo. Spectroscopic observations were obtained using Apache Point Observatory 3.5m and Small \& Moderate Aperture Research Telescope System 1.5m telescopes during 31 nights.
arxiv  

Anomalous light shift through quantum jumps in quasi-resonant Rayleigh scattering

, 2012
An anomalous light shift in the precession of a ground-state Zeeman coherence is observed: the Larmor frequency increases with the strength of a drive that is blue (red) detuned from a transition out of the lower (upper) energy level.
Barberis-Blostein, P., Carmichael, H. J., Cimmarusti, A. D., Norris, D. G., Orozco, L. A.   +4 more
core   +1 more source

The Saccharomyces cerevisiae amino acid transporter Lyp1 has a broad substrate spectrum

FEBS Letters, EarlyView.
In Saccharomyces cerevisiae, Yeast Amino acid Transporter family members mediate the import of amino acids, ranging from substrate specialists to generalists. Here, we show that the specialist transporter, Lyp1, has a broader substrate spectrum than previously described, with affinity constants spanning from micromolar to millimolar.
Foteini Karapanagioti, Sebastian Obermaier, Dirk J. Slotboom, Bert Poolman   +3 more
wiley   +1 more source

Origin of Shifts in the Surface Plasmon Resonance Frequencies for Au and Ag Nanoparticles

, 2015
Origin of shifts in the surface plasmon resonance (SPR) frequency for noble metal (Au, Ag) nanoclusters are discussed in this book chapter. Spill out of electron from the Fermi surface is considered as the origin of red shift.
A Meldrum, A Miotelo, AD Rakić, B Palpant, B Palpant, BK Juluri, D Ila, DAG Bruggeman, E Bailo, E Cottancin, G Nenciu, GH Wannier, HA Atwater, HB Liao, J Feldmann, J Lermé, J Lermé, J Tiggesbäumker, JA Scholl, K Ripken, KP Charl’e, L Genzel, L Saviot, M Gaudry, M Hawton, P Garg, PO Nilsson, R Zhang, S Dhara, S Dhara, S Dhara, S Dhara, S Fedrigo, S Lal, S Nie, S Raza, S Thongrattanasiri, SK Srivastava, U Kreibig, W Ekardt, Y Hosoya, Z Dai   +41 more
core   +1 more source

Social context prevents heat hormetic effects against mutagens during fish development

FEBS Letters, EarlyView.
This study shows that sublethal heat stress protects fish embryos against ultraviolet radiation, a concept known as ‘hormesis’. However, chemical stress transmission between fish embryos negates this protective effect. By providing evidence for the mechanistic molecular basis of heat stress hormesis and interindividual stress communication, this study ...
Lauric Feugere, Claudio Silva De Freitas, Adam Bates, Kenneth B. Storey, Pedro Beltran‐Alvarez, Katharina C. Wollenberg Valero   +5 more
wiley   +1 more source

Laser-Induced Above-Bandgap Transparency in GaAs

, 2004
We report the observation of large ($\sim 40%$) laser-induced above-bandgap transparency in GaAs at room temperature. The induced transparency is present only during the pulse width of the driving midinfrard laser pulses and its spectral shape is ...
Ajit Srivastava, J. Z. Kaminski, Jigang Wang, Junichiro Kono, L. V. Keldysh, M. Holthaus, P. H. Bucksbaum, P. H. Bucksbaum, Rahul Srivastava, Y. I. Balkarei   +9 more
core   +1 more source

miRNA‐29 regulates epidermal and mesenchymal functions in skin repair

FEBS Letters, EarlyView.
miRNA‐29 inhibits cell‐to‐cell and cell‐to‐matrix adhesion by silencing mRNA targets. Adhesion is controlled by complex interactions between many types of molecules coded by mRNAs. This is crucial for keeping together the layers of the skin and for regenerating the skin after wounding.
Lalitha Thiagarajan, Rosa Sanchez‐Alvarez, Chiho Kambara, Poojitha Rajasekar, Yuluang Wang, François Halloy, Jonathan Hall, Hans‐Jürgen Stark, Iris Martin, Petra Boukamp, Svitlana Kurinna   +10 more
wiley   +1 more source

Interaction of an electron gas with photoexcited electron-hole pairs in modulation-doped GaAs and CdTe quantum wells

, 2001
The nature of the correlated electron gas and its response to photo-injected electron-hole pairs in nominally undoped and modulation-doped multiple quantum-well (MQW) structures was studied by experiment and theory, revealing a new type of optically ...
A Petrou, A.B Dzyubenko, B.D McCombe, C.J Meining, Cheng, D.R Yakovlev, Dzyubenko, Dzyubenko, Gekhtman, H.A Nickel, Hawrylak, Jiang, Kallin, Kheng, M Furis, Rashba, T Yeo, Černe   +17 more
core   +1 more source

Cytoplasmic delivery of antibodies through grafting a functional single complementarity‐determining region loop

FEBS Letters, EarlyView.
We achieved cytoplasmic delivery of non‐cell‐penetrating IgGs by grafting a single functional complementarity‐determining region 1 (CDR1) from the light chain variable region (VL) of the cell‐internalizable 3D8 antibody. The engineered IgG acquired cell‐penetrating ability while maintaining antigen affinity, highlighting CDR1 grafting as a promising ...
Yerin Jeon, Juho Choi, Youngin Roh, Eunbin Lee, Luigie Villamante, Myung‐Hee Kwon   +5 more
wiley   +1 more source

Ion channel function of polycystin‐2/polycystin‐1 heteromer revealed by structure‐guided mutagenesis

FEBS Letters, EarlyView.
Mutations in polycystin‐1 (PC1) or polycystin‐2 (PC2) cause autosomal‐dominant polycystic kidney disease (ADPKD). We generated a novel gain‐of‐function PC2/PC1 heteromeric ion channel by mutating pore‐blocking residues. Moreover, we demonstrated that PC2 will preferentially assemble with PC1 to form heteromeric complexes when PC1 is co‐expressed ...
Tobias Staudner, Juthamas Khamseekaew, M. Gregor Madej, Linda Geiges, Bardha Azemi, Christine Ziegler, Christoph Korbmacher, Alexandr V. Ilyaskin   +7 more
wiley   +1 more source