Results 51 to 60 of about 10,595 (295)

Drilling Fluid Additives for Wellbore Strengthening and Reservoir Protection [PDF]

, 2023
The objective of the research was to optimise drilling fluid additives for wellbore strengthening, preventing lost circulation and avoiding drilling fluid induced formation damage.
Klungtvedt, Karl Ronny
core   +1 more source

An Activity‐Dependent NEPAS–PTX3 Axis Links Neurovascular and Myelin Deficits to Cognitive Impairment

Advanced Science, EarlyView.
An activity‐dependent pathway links prefrontal circuit hypoactivity to cognitive impairment. Reduced PVA–mPFC activity upregulates NEPAS, which suppresses PTX3 secretion, leading to impaired angiogenesis, myelin deficits, and memory decline. Rescue is achieved by NEPAS knockdown or chemogenetic circuit activation.
Boya Hu, Zifei Chen, Bingmei Sun, Jiale Gao, Jiale Xu, Xiaochun Guo, Fenfei Gao, Zhongsi Wang, Jie Wu, Xiaoyu Ji, Peipei Liu, Bing Huang   +11 more
wiley   +1 more source

Technology of Low Aromatic Oil-based Gas-to-liquid Drilling Fluid for Oil Shale in Western South China Sea

Zuanjingye yu wanjingye
The second member of Liushagang Formation in Weishan Sag, Beibuwan Basin, is oil shale with highly developed micro-fractures and high brittle mineral content.
Zhiqin LIU, Yingzhong CUI, Chao XU, Yi YU, Wei PENG   +4 more
doaj   +1 more source

Carboranyl‐Curcuminoids for the Neutron Capture‐Based Treatment of Amyloid Aggregates in Alzheimer's Disease

Advanced Science, EarlyView.
The 10B‐enriched monocarbonyl analog of curcumin (BMAC) 10B‐9 enables site‐specific Boron Neutron Capture Therapy (BNCT) on amyloid‐β (Aβ) fibrils. Neutron irradiation induces histidine oxidation and fibril destabilization, as revealed by 1H‐NMR and FESEM analyses.
Sebastiano Micocci, Stefano Parisotto, Diego Alberti, Alberto Lanfranco, Valeria Bitonto, Polyssena Renzi, Martina Salmi, Andrea Magnani, Federica Dal Bello, Katiuscia Pagano, Laura Ragona, Nicoletta Protti, Annamaria Deagostino, Simonetta Geninatti Crich   +13 more
wiley   +1 more source

Effects of Oil-Based and Water-Based Drilling Fluids on Fracture Propagation Pressure

Zuanjingye yu wanjingye
Lost circulation and wellbore instability have been encountered in drilling the Permian fractured formations in the sag west to the well Pen-1 in the Junggar Basin.
Xuyang YAO, Tao ZENG, Tongwei WANG, Chengyuan XU, Jing HE, Yongsheng YU   +5 more
doaj   +1 more source

STUDY ON CASTOR OIL AS OIL BASED FLUID IN DRILLING OPERATION [PDF]

, 2012
Drilling fluid is a critical component in the drilling process, where it provides the gel to efficiently lift cuttings, maintain stable wellbore and produce sufficient hydrostatic pressure that could prevent the influx of formation fluids into the ...
Preveen Kumar A/L Rajan, Preveen
core  

CTBPro: A Next‐Generation Cholera Toxin Subunit B‐Based Neuroanatomical Tracer With Superior Brightness, Stability, and Sensitivity for Enhanced Neural Circuit Mapping

Advanced Science, EarlyView.
CTBPro is a next‐generation cholera toxin B–based tracer engineered by fusing CTB to the ultra‐stable fluorescent protein mBaojin. Exhibiting markedly enhanced molar brightness, CTBPro enables high‐fidelity neuronal labeling across multiple administration routes.
Xinghua Quan, Yude Lou, Huiqi Xie, Yifei Wang, Yanzhe Zhang, Yiran Ge, Linhe Yang, Xiaoxuan Zhang, Qingmiao Zhou, Huaizong Shen, Longxing Cao, Xin Jin, Jie‐Min Jia   +12 more
wiley   +1 more source

Temporal Interference Stimulation Enhances Neural Regeneration

Advanced Science, EarlyView.
Temporal interference (TI) stimulation is proposed as a non‐invasive approach to enhance neural regeneration in the deep brain. Theta‐band TI modulation selectively promotes neural progenitor cell differentiation in vitro and augments hippocampal neurogenesis in amouse model of Alzheimer's disease‐like amyloidosis.
Sofia Peressotti, Maria Garcia Garrido, Patrycja Dzialecka, Rachel Man Hoi Law, Roberto Portillo‐Lara, Bethany Geary, Elena Faillace, Shirine Merlo‐Nikpay Aslie, Marcelina Wojewska, Maria Otero‐Jimenez, Martina Genta, Luqiao Tan, Karen Duff, Javier Alegre‐Abarrategui, Rylie Green, Nir Grossmann   +15 more
wiley   +1 more source

Biomimetic Macrophage Cell Membrane‐Based Nanoparticles for Effective Treatment of Glioblastoma Through Boron Neutron Capture Therapy Combined With Immunotherapy

Advanced Science, EarlyView.
ABSTRACT Glioblastoma multiforme (GBM) remains largely incurable due to the blood‐brain barrier (BBB) and immunosuppressive microenvironment. While boron neutron capture therapy (BNCT) selectively eradicates tumor cells via 10B(n, α)‐7Li reactions, its clinical potential in GBM is unrealized because of the suboptimal pharmacokinetics of conventional ...
Jiawen Chen, Haoyu You, Hefa Huang, Huihui Chai, Ruize Zhu, Yun Guan, Qisheng Tang, Tianwen Li, Shan Jiang, Houshi Xu, Peng Wang, Yue Wang, Maoyuan Sun, Beining Liu, Zhen Li, Yulai Zeng, Weiqiu Ping, Yanlin Teng, Songlin Yan, Qinghui Li, Long Gu, Tao Sun, Zhifeng Shi   +22 more
wiley   +1 more source

Evaluation of Sulfide Removing Rate by Basic Zinc Carbonate in Oil Based Drilling Fluids and Analyses of Sulfide Removing Mechanisms

Zuanjingye yu wanjingye
Basic zinc carbonate is a commonly used sulfide scavenger for drilling high-sulfide content formations with water-based drilling fluids, its ability to remove sulfide and the mechanism of sulfide removal in oil-based drilling fluids are still not well ...
Zhen ZHANG, Da YIN, Guochuan QIN, Lin CHEN, Gui WANG   +4 more
doaj   +1 more source