Results 41 to 50 of about 143,855 (292)

First direct measurement of optical phonons in 2D plasma crystals

, 2009
Spectra of phonons with out-of-plane polarization were studied experimentally in a 2D plasma crystal. The dispersion relation was directly measured for the first time using a novel method of particle imaging.
Couëdel, L., Ivlev, A. V., Morfill, G. E., Nosenko, V., Thomas, H. M., Zhdanov, S. K.   +5 more
core   +1 more source

Engineered extracellular vesicles enriched with the miR‐214/199a cluster enhance the efficacy of chemotherapy in ovarian cancer

Molecular Oncology, EarlyView.
Loss of the miR‐214/199a cluster is associated with recurrence in ovarian cancer. Engineered small extracellular vesicles (m214‐sEVs) elevate miR‐214‐3p/miR‐199a‐5p in tumor cells, suppress β‐catenin, TLR4, and YKT6 signaling, reprogram tumor‐derived sEV cargo, reduce chemoresistance and migration, and enhance carboplatin efficacy and survival in ...
Weida Wang, Ayesha Alvero, Yi Qin, Mingjin Wang, Alexandra Fox, Yanfeng Li, Michael Millman, Amy Kemper, Gil Mor, Xian Shuang Liu, Michael Chopp, Zheng Gang Zhang, Yi Zhang   +12 more
wiley   +1 more source

Mitigation of Nonlinear and PMD Impairments by Bit-Synchronous Polarization Scrambling [PDF]

, 2012
Our statistical study by the importance sampling method shows that a significant performance improvement may be achieved by bit-synchronous polarization scrambling in the presence of polarization mode dispersion and fiber nonlinearity in dispersion ...
K.S. Turitsyn, S. Wabnitz
core   +1 more source

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

FEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

Design and analysis of a 32 × 5 Gbps passive optical network employing FSO based protection at the distribution level☆

Alexandria Engineering Journal, 2020
A cost efficient and reliable single mode fiber and free space optics based hybrid 32×5Gbps ultra dense wavelength division multiplexed-passive optical network architecture employing optical comb and polarization multiplexing is proposed.
Jawad Mirza, Waqas A. Imtiaz, Abdulah Jeza Aljohani, Ahmad Atieh, Salman Ghafoor   +4 more
doaj   +1 more source

Vector Dissipative Solitons in Graphene Mode Locked Fiber Lasers

, 2010
Vector soliton operation of erbium-doped fiber lasers mode locked with atomic layer graphene was experimentally investigated. Either the polarization rotation or polarization locked vector dissipative solitons were experimentally obtained in a dispersion-
Akhmediev, Akhmediev, Bale, Bao, Bao, Cabasse, Chang, Chen, Dennis, Dingyuan Tang, Duling, Geim, Han Zhang, Kalashnikov, Kalashnikov, Kian Ping Loh, Kieu, Komarov, Liu, Luming Zhao, Mesentsev, Mollenauer, Nair, Qiaoliang Bao, Renninger, Song, Tang, Turitsyn, Wise, Zavyalov, Zhang, Zhang, Zhang, Zhang, Zhang, Zhao   +35 more
core   +1 more source

Large‐scale bidirectional arrayed genetic screens identify OXR1 and EMC4 as modifiers of αSynuclein aggregation

FEBS Open Bio, EarlyView.
Activation of the mitochondrial protein OXR1 increases pSyn129 αSynuclein aggregation by lowering ATP levels and altering mitochondrial membrane potential, particularly in response to MSA‐derived fibrils. In contrast, ablation of the ER protein EMC4 enhances autophagic flux and lysosomal clearance, broadly reducing α‐synuclein aggregates.
Sandesh Neupane, Lea Nikolić, Lorenzo Maraio, Thomas Goiran, Nathan Karpilovsky, Stefano Sellitto, Vangelis Bouris, Jiang‐An Yin, Ronald Melki, Edward A Fon, Adriano Aguzzi, Elena De Cecco   +11 more
wiley   +1 more source

Genetic-Algorithm-Driven Intelligent Spatiotemporal Mode-Locking in All-Fiber Laser with Hysteresis

Photonics
We demonstrate a robust intelligent spatiotemporal mode-locked fiber laser with large modal dispersion, based on the nonlinear polarization rotation mechanism and an electric polarization controller (EPC).
Yangbing Lin, Yongguo Zheng, Xinhai Zhang   +2 more
doaj   +1 more source

Photoluminescence modification by high-order photonic band with abnormal dispersion in ZnO inverse opal

, 2008
We measured the angle- and polarization-resolved reflection and photoluminescence spectra of ZnO inverse opals. Significant enhancement of spontaneous emission is observed.
C. López, Heeso Noh, Hui Cao, J. Lim, Mark A. Anderson, Michael Scharrer, Robert P. H. Chang   +6 more
core   +1 more source

YIPFα1A expression is regulated by multilayered molecular mechanisms

FEBS Open Bio, EarlyView.
YIPFα1A, a five‐pass Golgi protein, is regulated at multiple layers. (1) Rare‐codon enrichment drives translation‐coupled mRNA decay. (2) A proximal 3′‐UTR element stabilizes mRNA. (3) A distal 3′‐UTR element included by alternate poly(A) site usage represses translation, which can be overridden by the proximal 3′‐UTR element.
Tokio Takaji, Yurika Nakanishi, Nobuhiro Nakamura   +2 more
wiley   +1 more source