keyword
https://read.qxmd.com/read/38379963/failures-analysis-of-tube-coating-in-circulating-fluidized-bed-cfb-boiler
#21
JOURNAL ARTICLE
Teguh Widjajanto, Djarot B Darmadi, Yudy S Irawan, Femiana Gapsari
Circulating Fluidized Bed (CFB) boiler often experience leaks in the wall tube due to corrosion and abrasion of the bed material after use that varies between 3 and 8 months. To avoid erosion corrosion, a coating was done in the form of Chrome Clad Tube Armor (CTA). In this research, a Failure Analysis (FA) was performed on the characterization of the boiler tube using several types of samples, which are Wall Tube Without Coating (WT) and CTA (in new condition and after eight months of use). Macro visual, Field emission scanning electron microscopes (FE-SEM), Fourier-transform infrared spectroscopy (FTIR), corrosion, and Thermogravimetric analysis (TGA) tests showed that the CTA type has better corrosion and thermal resistance...
February 29, 2024: Heliyon
https://read.qxmd.com/read/38377281/supported-ionic-liquid-membrane-with-highly-permeable-polyamide-armor-by-in-situ-interfacial-polymerization-for-durable-co-2-separation
#22
JOURNAL ARTICLE
Yu-Ren Xue, Chang Liu, Hao-Cheng Yang, Hong-Qing Liang, Chao Zhang, Zhi-Kang Xu
Supported ionic liquid membranes (SILMs), owing to their capacities in harnessing physicochemical properties of ionic liquid for exceptional CO2 solubility, have emerged as a promising platform for CO2 extraction. Despite great achievements, existing SILMs suffer from poor structural and performance stability under high-pressure or long-term operations, significantly limiting their applications. Herein, a one-step and in situ interfacial polymerization strategy is proposed to elaborate a thin, mechanically-robust, and highly-permeable polyamide armor on the SILMs to effectively protect ionic liquid within porous supports, allowing for intensifying the overall stability of SILMs without compromising CO2 separation performance...
February 20, 2024: Small
https://read.qxmd.com/read/38366167/graphitic-armor-a-natural-molecular-sieve-for-robust-hydrogen-electroxidation
#23
JOURNAL ARTICLE
Hai-Wen Chen, De-Quan Cao, Shi-Jun Xie, Jia-Jun Dai, Zhi-Hai Dai, Chun-Hua Zhen, Jian-Feng Li, Beate Paulus, Zu-Wei Yin, Jun-Tao Li, Yao Zhou, Shi-Gang Sun
Carbon coating layers have been found to improve the catalytic performance of transition metals, which is usually explained as an outcome of electronic synergistic effect. Herein we reveal that the defective graphitic carbon, with a unique interlayer gap of 0.342 nm, can be a highly selective natural molecular sieve. It allows efficient diffusion of hydrogen molecules or radicals both along the in-plane and out-of-plane direction, but sterically hinders the diffusion of molecules with larger kinetic diameter (e...
February 16, 2024: Angewandte Chemie
https://read.qxmd.com/read/38345397/high-specificity-crispr-mediated-genome-engineering-in-anti-bcma-allogeneic-car-t-cells-suppresses-allograft-rejection-in-preclinical-models
#24
JOURNAL ARTICLE
Émilie Degagné, Paul D Donohoue, Suparna Roy, Jessica Scherer, Tristan W Fowler, Ryan T Davis, Gustavo A Reyes, George Kwong, Morena Stanaway, Vanina Larroca Vicena, Devin Mutha, Raymond Guo, Leslie Edwards, Benjamin Schilling, McKay Shaw, Stephen C Smith, Bryan Kohrs, Heinrich J Kufeldt, Glen Churchward, Finey Ruan, David B Nyer, Kyle McSweeney, Matthew J Irby, Christopher K Fuller, Lynda Banh, Mckenzi S Toh, Matthew Thompson, Arthur L G Owen, Zili An, Scott Gradia, Justin Skoble, Mara Bryan, Elizabeth Garner, Steven B Kanner
Allogeneic chimeric antigen receptor (CAR) T-cell therapies hold the potential to overcome many of the challenges associated with patient-derived (autologous) CAR T cells. Key considerations in the development of allogeneic CAR T-cell therapies include prevention of GvHD and suppression of allograft rejection. Here we describe preclinical data supporting the ongoing first-in-human clinical study, the CaMMouflage trial (NCT05722418), evaluating CB-011 in patients with relapsed/refractory multiple myeloma. CB-011 is a hypoimmunogenic, allogeneic anti-B cell maturation antigen (BCMA) CAR T-cell therapy candidate...
February 9, 2024: Cancer Immunology Research
https://read.qxmd.com/read/38337149/ultralight-robust-thermal-insulating-silica-nanolace-aerogels-derived-from-pickering-emulsion-templates
#25
JOURNAL ARTICLE
Hyungjoon Cho, Minchul Sung, Jihyun Choi, Hyunsuk Lee, Lakshmishri Prabakaran, Jin Woong Kim
Synthesis of silica aerogel insulators with ultralight weight and strong mechanical properties using a simplified technique remains challenging for functional soft materials. This study introduces a promising method for the fabrication of mechanically reinforced ultralight silica aerogels by employing attractive silica nanolace (ASNLs)-armored Pickering emulsion templates. For this, silica nanolaces (SiNLs) are fabricated by surrounding a cellulose nanofiber with necklace-shaped silica nanospheres. In order to achieve amphiphilicity, which is crucial for the stabilization of oil-in-water Pickering emulsions, hydrophobic alkyl chains and hydrophilic amine groups are grafted onto the surface of SiNLs by silica coupling reactions...
February 9, 2024: ACS Applied Materials & Interfaces
https://read.qxmd.com/read/38335533/armored-superhydrophobic-surfaces-with-excellent-drag-reduction-in-complex-environmental-conditions
#26
JOURNAL ARTICLE
Zhaochang Wang, Xiaojun Liu, Yuhang Guo, Baohong Tong, Guotao Zhang, Kun Liu, Yunlong Jiao
Superhydrophobic surfaces (SHSs) have possibilities for achieving significantly reduced solid-liquid frictional drag in the marine sector due to their excellent water-repelling properties. Although the stability of SHSs plays a key role in drag reduction, little consideration was given to the effect of extreme environments on the ability of SHSs to achieve drag reduction underwater, particularly when subjected to acidic conditions. Here, we propose interconnected microstructures to protect superhydrophobic coatings with the aim of enhancing the stability of SHSs in extreme environments...
February 9, 2024: Langmuir: the ACS Journal of Surfaces and Colloids
https://read.qxmd.com/read/38331849/il-15-secreting-car-natural-killer-cells-directed-toward-the-pan-cancer-target-cd70-eliminate-both-cancer-cells-and-cancer-associated-fibroblasts
#27
JOURNAL ARTICLE
Astrid Van den Eynde, Laura Gehrcken, Tias Verhezen, Ho Wa Lau, Christophe Hermans, Hilde Lambrechts, Tal Flieswasser, Delphine Quatannens, Gils Roex, Karen Zwaenepoel, Elly Marcq, Philippe Joye, Edgar Cardenas De La Hoz, Christophe Deben, Alessia Gasparini, Pierre Montay-Gruel, Maxim Le Compte, Eva Lion, Filip Lardon, Steven Van Laere, Vasiliki Siozopoulou, Diana Campillo-Davo, Jorrit De Waele, Patrick Pauwels, Julie Jacobs, Evelien Smits, Jonas R M Van Audenaerde
BACKGROUND: It remains challenging to obtain positive outcomes with chimeric antigen receptor (CAR)-engineered cell therapies in solid malignancies, like colorectal cancer (CRC) and pancreatic ductal adenocarcinoma (PDAC). A major obstacle is the lack of targetable surface antigens that are not shared by healthy tissues. CD70 emerges as interesting target, due to its stringent expression pattern in healthy tissue and its apparent role in tumor progression in a considerable amount of malignancies...
February 9, 2024: Journal of Hematology & Oncology
https://read.qxmd.com/read/38324253/establishing-pinhole-deposition-mode-of-zn-via-scalable-monolayer-graphene-film
#28
JOURNAL ARTICLE
Yuhan Zou, Yuzhu Wu, Wenze Wei, Changpeng Qiao, Miaoyu Lu, Yiwen Su, Wenyi Guo, Xianzhong Yang, Yuqing Song, Meng Tian, Shixue Dou, Zhongfan Liu, Jingyu Sun
The uneven texture evolution of Zn during electrodeposition would adversely impact upon the lifespan of aqueous Zn metal batteries. To address this issue, tremendous endeavors are made to induce Zn(002) orientational deposition employing graphene and its derivatives. Nevertheless, the effect of prototype graphene film over Zn deposition behavior has garnered less attention. Here, it is attempted to solve such a puzzle via utilizing transferred high-quality graphene film with controllable layer numbers in a scalable manner on a Zn foil...
February 7, 2024: Advanced Materials
https://read.qxmd.com/read/38321325/advances-of-polyolefins-from-fiber-to-nanofiber-fabrication-and-recent-applications
#29
REVIEW
Mohammad Zakaria, M A Rahman Bhuiyan, Md Shakawat Hossain, N M-Mofiz Uddin Khan, Md Abdus Salam, Koji Nakane
Polyolefins are a widely accepted commodity polymer made from olefinic monomer consisting of carbon and hydrogen. This thermoplastic polymeric material is formed through reactive double bonds of olefins by the addition polymerization technique and it possesses a diverse range of unique features for a large variety of applications. Among the various types, polyethylene and polypropylene are the prominent classes of polyolefins that can be crafted and manipulated into diversified products for numerous applications...
February 6, 2024: Discov Nano
https://read.qxmd.com/read/38311860/liquid-metal-encased-in-biomimic-polydopamine-armor-to-reinforce-photothermal-conversion-and-photothermal-stability
#30
JOURNAL ARTICLE
Wei Wei, Libang Ai, Minhao Li, Fengming Hou, Can Xiong, Yihang Li, Ang Wei
Liquid metal (LM) faces numerous obstacles like spontaneous coalescence, prone oxidizability, and deterioration in photothermal conversion, impeding the potential application as photothermal agent. To tackle these issues, several studies have focused on surface engineering strategy. Developing a feasible and efficient surface engineering strategy is crucial to prevent the aggregation and coalescence of LM, while also ensuring exceptional photothermal conversion and biosecurity. In order to achieve these goals in this work, the biomimetic polydopamine (PDA) armor was chosen to encase a typical LM (eutectic gallium-indium-tin alloy) via self-polymerization...
February 4, 2024: Chemistry, An Asian Journal
https://read.qxmd.com/read/38301153/facile-bond-exchanging-strategy-for-engineering-wet-adhesion-and-antioxidant-antibacterial-thin-layer-over-a-dynamic-hydrogel-via-the-carbon-dots-derived-from-tannic-acid-%C3%AE%C2%B5-polylysine
#31
JOURNAL ARTICLE
Chunning Xu, Ruobing Huang, Meizhe Yu, Shiyin Zhang, Yanglei Wang, Xueli Chen, Zhimin Hu, Yiran Wang, Xiaodong Xing
Adhesive hydrogels, playing an essential role in stretchable electronics, soft robotics, tissue engineering, and so forth, upon functioning often need to adhere to various substrates in wet conditions and simultaneously exhibit antibacterial/antioxidant properties while possessing the intrinsic stretchability and elasticity of the hydrogel network intact. Therefore, simple approaches to conveniently access adhesive hydrogels with multifunctional surfaces are being pursued. Herein, a facile strategy has been proposed to construct multifunctional adhesive hydrogels via surface engineering of a multifunctional carbon dot (CD)-decorated polymeric thin layer by dynamic bond exchange...
February 1, 2024: ACS Applied Materials & Interfaces
https://read.qxmd.com/read/38294951/virus-like-particles-armored-by-an-endoskeleton
#32
JOURNAL ARTICLE
Zhuohong Wu, Jorge L Bayón, Tatiana B Kouznetsova, Tetsu Ouchi, Krister J Barkovich, Sean K Hsu, Stephen L Craig, Nicole F Steinmetz
Many virus-like particles (VLPs) have good chemical, thermal, and mechanical stabilities compared to those of other biologics. However, their stability needs to be improved for the commercialization and use in translation of VLP-based materials. We developed an endoskeleton-armored strategy for enhancing VLP stability. Specifically, the VLPs of physalis mottle virus (PhMV) and Qβ were used to demonstrate this concept. We built an internal polymer "backbone" using a maleimide-PEG15 -maleimide cross-linker to covalently interlink viral coat proteins inside the capsid cavity, while the native VLPs are held together by only noncovalent bonding between subunits...
January 31, 2024: Nano Letters
https://read.qxmd.com/read/38293378/application-of-synchronized-tandem-welding-to-high-hardness-armor-steel
#33
JOURNAL ARTICLE
Bo Wook Seo, Young Cheol Jeong, Hwi Jun Son, Chang Jong Kim, Seok Kim, Young Tae Cho
Several studies have been conducted to improve combat vehicle capabilities, such as the bulletproof performance of armor and fuel efficiency through weight reduction. Titanium alloys and ceramic materials are expensive and difficult to process; therefore, they can be applied only in specific locations. In addition, arc welding, which is relatively inexpensive compared with other welding processes, is widely used in industrial fields; however, because welding is often performed in multiple passes to join one part, the productivity is reduced...
January 30, 2024: Heliyon
https://read.qxmd.com/read/38285942/how-particle-shape-affects-granular-segregation-in-industrial-and-geophysical-flows
#34
JOURNAL ARTICLE
Fernando David Cúñez, Div Patel, Rachel C Glade
Industrial and environmental granular flows commonly exhibit a phenomenon known as "granular segregation," in which grains separate according to physical characteristics (size, shape, density), interfering with industrial applications (cement mixing, medicine, and food production) and fundamentally altering the behavior of geophysical flows (landslides, debris flows, pyroclastic flows, riverbeds). While size-induced segregation has been well studied, the role of grain shape has not. Here we conduct numerical experiments to investigate how grain shape affects granular segregation in dry and wet flows...
February 6, 2024: Proceedings of the National Academy of Sciences of the United States of America
https://read.qxmd.com/read/38282289/deploying-whole-blood-to-the-battlefield-the-israel-defense-forces-medical-corps-initial-experience-during-the-2023-war
#35
JOURNAL ARTICLE
Ofer Almog, Avi Benov, Zivan Beer, Tsvi Sirotkin, Omri Shental, Elon Glassberg
BACKGROUND: Military and prehospital medical organizations invest significant resources to advance the treatment of trauma patients aiming to reduce preventable deaths. Focus is on hemorrhage control and volume resuscitation with blood products, with adoption of Remote Damage Control Resuscitation (RDCR) guidelines. The Israel Defense Forces Medical Corps (IDF-MC) has been using tranexamic acid and freeze-dried plasma (FDP) as part of its RDCR protocol for more than a decade. In recent years, low-titer group O whole blood (LTOWB) has been integrated, on IDF evacuation helicopters and expanded to mobile ambulances, complementing FDP use in treating trauma patients in state of profound shock...
January 28, 2024: Transfusion
https://read.qxmd.com/read/38280882/high-b7-h3-expression-with-low-pd-l1-expression-identifies-armored-cold-tumors-in-triple-negative-breast-cancer
#36
JOURNAL ARTICLE
Jie Mei, Yun Cai, Hongjun Zhu, Ying Jiang, Ziyi Fu, Junying Xu, Lingyan Chen, Kai Yang, Jinlu Zhao, Chenghu Song, Yan Zhang, Wenjun Mao, Yongmei Yin
Triple-negative breast cancer (TNBC) is generally regarded as the most aggressive subtype among breast cancers, but exhibits higher chemotherapeutic and immunotherapeutic responses due to its unique immunogenicity. Thus, appropriate discrimination of subtypes is critical for guiding therapeutic options in clinical practice. In this research, using multiple in-house and public cohorts, we investigated the expression features and immuno-correlations of B7-H3 in breast cancer and checked the anti-tumor effect of the B7-H3 monoclonal antibody in a mouse model...
January 27, 2024: NPJ Breast Cancer
https://read.qxmd.com/read/38277868/a-cluster-based-law-enforcement-body-armor-sizing-system-concept-procedure-and-design-practice
#37
JOURNAL ARTICLE
Hongwei Hsiao, Tsui-Ying Kau, Bruce Bradtmiller
Given the evolution of human body dimensions, the increasing diversity within the law enforcement workforce, the growing risks of assault faced by law enforcement officers (LEOs), and the absence of a national standard for body armor sizing, there is a critical need to explore LEO body size classification. This exploration will facilitate the development of an armor sizing structure that adequately accommodates the current LEO population. This study aimed to address this need by developing a LEO body armor sizing scheme and creating a sizing chart/app...
January 25, 2024: Applied Ergonomics
https://read.qxmd.com/read/38241751/responsively-degradable-nanoarmor-assisted-super-resistance-and-stable-colonization-of-probiotics-for-enhanced-inflammation-targeted-delivery
#38
JOURNAL ARTICLE
Limeng Zhu, Tiantian Yu, Wenchao Wang, Tong Xu, Wujun Geng, Na Li, Xingjie Zan
Manipulation of the gut microbiota using oral microecological preparations has shown great promise in treating various inflammatory disorders. However, delivering these preparations while maintaining their disease-site specificity, stability, and therapeutic efficacy is highly challenging due to the dynamic changes associated with pathological microenvironments in the gastrointestinal tract. Herein, a superior armored probiotic with an inflammation-targeting capacity is developed to enhance the efficacy and timely action of bacterial therapy against inflammatory bowel disease (IBD)...
January 19, 2024: Advanced Materials
https://read.qxmd.com/read/38238064/shoreline-armoring-potentially-diminishes-the-ecological-roles-of-parrotfishes-in-urban-coral-reefs
#39
JOURNAL ARTICLE
Rachel Y Y Mark, Daisuke Taira, Peter A Todd
No abstract text is available yet for this article.
January 18, 2024: Ecology
https://read.qxmd.com/read/38232137/fusion-peptide-directed-antibodies-humoral-armor-against-hiv-1-infection
#40
REVIEW
P J Klasse
Infused neutralizing antibodies to the fusion peptide of the HIV envelope glycoprotein protected macaques from mucosal viral challenge (Pegu et al. ).
January 17, 2024: Science Translational Medicine
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