Results 91 to 100 of about 373 (258)

The Investigation of Lunar Limb Structure by Means of Stellar Occultations [PDF]

Highlights of Astronomy, 1971
It has long been recognized that the analysis of occultation traces from point source stars might provide a means of investigating the structure of the lunar limb on a remarkably small scale, certainly of tens of meters, possibly on a scale of meters.The routine process of analysis of such an occultation trace produces a curve fitted to the standard ...
openaire   +1 more source

Performing Automated, High-Speed Photometry on Occulting, Small Outer Solar System Bodies

Edinburgh Student Journal of Science
Monitoring stellar occultations provides a powerful means to measure the shapes and sizes of small Solar System bodies, but produces large quantities of image data which can be laborious to analyse.
Ben Attwood, James Robinson
doaj   +1 more source

GHRHR Deficiency Enhances Retinal Ganglion Cell Survival and Visual Functions in Experimental Glaucoma by Inhibiting Ferroptosis

Advanced Science, EarlyView.
Glaucoma, a major cause of blindness, involves retinal ganglion cell (RGC) degeneration. This study shows growth hormone‐releasing hormone receptor (GHRHR) deficiency preserves RGC survival and restores vision, unlike activation which only aids survival.
Yan Tong, Ming Ho Yam, Jiaxin Zhang, Lin Du, Linbin Zhou, Yolanda Wong Ying Yip, Bo Man Ho, Hemlata Bisnauthsing, Jiahui Li, Ivan Kong, Shushu Xu, Changzhen Fu, Karl K.H. So, Joaquim S.L. Vong, Ling‐Ping Cen, Ming‐Ming Yang, Khazeema Yousaf, Mai Har Sham, Sun On Chan, Poemen P. Chan, Chi Pui Pang, Clement C. Tham, Jing Na He, Jian Li, Wai Kit Chu   +24 more
wiley   +1 more source

Real‐Time Ferroelectric Domain Wall Dynamics During Electric Poling and Depoling

Advanced Science, EarlyView.
Real‐time visualization of domain wall dynamics during alternating‐current poling, direct‐current poling, and electrical depoling in relaxor‐PT ferroelectric single crystals reveals distinct field‐dependent pathways and strong path dependence. Instant polarized light microscopy uncovers reversible domain wall nucleation, motion, and reconfiguration ...
Ziqi Wang, Zhengze Xu, Anastasia Timofeeva, Hossam Elnaggar, Sipan Liu, Yusen Pei, Reece Henry, Brendan O'Connor, Eunkyoung Shim, Franky So, Kara Peters, Xiaoning Jiang, Jun Liu   +12 more
wiley   +1 more source

Review of Gastrointestinal Capsule Robots: Materials, Actuation, Diagnostics, and Therapeutics

Advanced Science, EarlyView.
This review examines gastrointestinal capsule robots through a systems engineering lens, covering shell materials, actuation and localization strategies, diagnostic modalities, therapeutic interventions, and commercialization status. By mapping the complete technological chain from fabrication to clinical deployment, this work identifies critical gaps ...
Zengsheng Li, Zhongguo Ren, Yiliang Lin, Xianfeng Xia, Tianlong Li, Kai Fung Chan, Philip Wai Yan Chiu, Wei Peng Yong, Mengmeng Sun   +8 more
wiley   +1 more source

Probabilistic Estimation of Asteroid Sizes from Single-chord Stellar Occultations

The Astronomical Journal
Stellar occultations provide a powerful technique for determining the size and shape of small bodies in the solar system. This work aims to develop and validate a probabilistic methodology capable of estimating the radius of an occulting body based on ...
B. E. Morgado, N. C. Fonseca, A. R. Gomes-Júnior, L. M. Catani, C. L. Pereira   +4 more
doaj   +1 more source

Evaluation of ozonesondes, HALOE, SAGE II and III, Odin- OSIRIS and -SMR, and ENVISAT-GOMOS, -SCIAMACHY and -MIPAS ozone profiles in the tropics from SAOZ long duration balloon measurements in 2003 and 2004 [PDF]

Atmospheric Chemistry and Physics, 2007
The performances of satellite and sondes ozone measuring instruments available in the tropics between 10 and 26 km during the southern hemisphere summer in 2003 and 2004, have been investigated by comparison with series of profiles obtained by solar ...
J.-P. Pommereau, F. Borchi
doaj  

OTUD6A‐Mediated Deubiquitination of PRDX1 Protects Against Oral Ulcer by Restoring Mitochondrial Function

Advanced Science, EarlyView.
In human oral keratinocytes, OTUD6A promoted cell migration by deubiquitinating and stabilizing PRDX1. Conversely, OTUD6A deficiency reduced PRDX1 stability, triggering mitochondrial dysfunction and aggravating OU progression. ABSTRACT Oral ulcers (OU), as the most highly prevalent and recurrent oral mucosal lesion, have an unclear pathogenesis that ...
Xiaoyu Sun, Ruiwei Jia, Xingbei Pan, Rui Huang, Jiahong Chen, Ziyi Yao, Lei Yin, Jun Ma, Hongjieliang Wang, Xinyu Huang, Yilin Ma, Yifan Ping, Yuanyuan Chen, Huining Wang, Shengbin Huang, Guang Liang   +15 more
wiley   +1 more source

Targeting CXCR2 in Nociceptive Sensory Neurons Offers Novel Therapeutic Potentials for Postoperative Pain

Advanced Science, EarlyView.
Tissue incision induces CXCL5 release, which activates neuronal CXCR2 on incision‐innervating sensory neurons. Neuronal CXCR2 couples with TRPA1 to drive mechanical pain and engages p38 MAPK signaling to upregulate TRPV1 and promote heat pain. Targeted Cxcr2 knockdown relieves incisional pain while preserving CXCR2‐dependent neutrophil responses ...
Yushuang Pan, Peiyi Li, Yufeng Chen, Zishan Dong, Yuanyuan Li, Boyu Liu, Yan Tai, Chuan Wang, Jianqiao Fang, Chengyu Yin, Boyi Liu   +10 more
wiley   +1 more source

Lactate‐Induced K370 Lactylation of STING Inhibits STING‐TBK1 Signaling and Dampens Anti‐Tumor Immunity

Advanced Science, EarlyView.
Lactate accumulation in glioblastoma drives lactylation of STING at lysine 370, a primate‐conserved residue. K370 lactylation weakens STING‐TBK1 binding, destabilizes STING, and disrupts ER‐to‐Golgi trafficking, blunting type I interferon signaling. LDHA inhibition reverses K370 lactylation and improves the antitumor efficacy of STING agonism combined ...
Yueyao Wu, Jingzhe Wang, Xu Chen, Yuntong Yang, Ping Wei, Han Xie, Honghao Wang, Chunyu Zhang, Siyi Xu, Qi Wang, Chunlong Zhong, Jing Zhang   +11 more
wiley   +1 more source