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JOURNAL ARTICLE
Yujin Jeon, Chi Sup Ahn, Kookheon Char, Jeewoo Lim
High sulfur content polymeric materials, known for their intriguing properties such as high refractive indices and high electrochemical capacities, have garnered significant interest in recent years for their applications in optics, antifouling surfaces, triboelectrics, and electrochemistry. Despite the high interest, most high sulfur-content polymers reported to date are either bulk materials or thin films, and there is a general lack of research into sulfur-rich polymer colloids. Water-dispersed, sulfur-rich particles are anticipated to broaden the range of applications for sulfur-containing materials...
April 23, 2024: Macromolecular Rapid Communications
#22
JOURNAL ARTICLE
Mohsen Besanjideh, Masoud Rezaeian, Amir Shamloo, Siamak Kazemzadeh Hannani
We demonstrate an innovative method to catch the desired droplets from a train of droplets and immobilize them in traps located in an integrated microfluidic device. To this end, water-in-oil droplets are generated in a flow-focusing junction and then guided to a channel connected to chambers designated for on-demand droplet trapping. Each chamber is connected to a side channel through a batch of microposts. The side channels are also connected to the flexible poly(vinyl chloride) tubes, which can be closed by attaching binder clips...
April 23, 2024: Langmuir: the ACS Journal of Surfaces and Colloids
#23
JOURNAL ARTICLE
Hongxin Liu, Min He, Sijie Zhang
The bromide-chloride mixed quasi-two-dimensional (2D) perovskite, with a natural quantum well structure and tunable exciton binding energy, has gained significant attention for high-performance blue perovskite light-emitting diodes (PeLEDs). However, the relative importance of having a low trap state density or efficient exciton transfer for high-efficiency electroluminescence (EL) performance remains elusive. Here, two molecules with the benzoic acid group, sodium 4-fluorobenzoate (SFB) and 3,5-dibromobenzoic acid (DBA), are used to modulate the phase distribution and trap state to explore the effect between energy transfer and defect passivation...
April 23, 2024: ACS Applied Materials & Interfaces
#24
JOURNAL ARTICLE
Katsuhiro Kawaai, Yumiko Oishi, Yukiko Kuroda, Ryota Tamura, Masahiro Toda, Koichi Matsuo
PURPOSE: Chordomas are malignant tumors that destroy bones, compress surrounding nerve tissues and exhibit phenotypes that recapitulate notochordal differentiation in the axial skeleton. Chordomas recur frequently, as they resist radio-chemotherapy and are difficult to completely resect, leading to repeated bone destruction and local expansion via unknown mechanisms. Here, using chordoma specimens and JHC7 chordoma cells, we asked whether chordoma cells possess bone-dissolving activity...
April 23, 2024: Cellular Oncology (Dordrecht)
#25
JOURNAL ARTICLE
Qian Wu, Tian Deng, Juan Cheng, Yujie Yang, Yulan Wang, Yin Xiao, Yufeng Zhang
Periodontitis, a chronic oral disease instigated by bacteria, severely compromises human oral health. The prevailing clinical treatment for periodontitis involves mechanical scraping in conjunction with antibiotics. Phototherapy is employed to rapidly remove the bacteria and achieve periodontitis treatment, effectively circumventing the adverse effects associated with traditional therapies. Constructing 2D/2D van der Waals (VDW) heterojunctions is a key strategy for obtaining excellent photocatalytic activity...
April 23, 2024: ACS Nano
#26
JOURNAL ARTICLE
Maksym Seredyuk, Kateryna Znovjyak, Francisco Javier Valverde-Muñoz, M Carmen Muñoz, Igor O Fritsky, José Antonio Real
Octahedrally coordinated spin crossover (SCO) FeII complexes represent an important class of switchable molecular materials. This study presents the synthesis and characterisation of a novel complex, [FeII (ppt-2Fph)2 ]0 ·2MeOH, where ppt-2Fph is a new asymmetric ionogenic tridentate planar ligand 2-(5-(2-fluorophenyl)-4 H -1,2,4-triazol-3-yl)-6-(1 H -pyrazol-1-yl)pyridine. The complex exhibits a hysteretic thermally induced SCO transition at 285 K on cooling and at 293 K on heating, as well as light induced excited spin state trapping (LIESST) at lower temperatures with a relaxation T (LIESST) temperature of 73 K...
April 23, 2024: Dalton Transactions: An International Journal of Inorganic Chemistry
#27
JOURNAL ARTICLE
J Nandi, A K Sikdar, A Kumar, S Alam, P Das, A Ray
The temporal evolution of the electron cloud at room temperature has been recorded through a resonance circuit by observing the axial oscillation frequency of its center of mass. The electron cloud undergoes radial expansion by interacting with the residual gas molecules, and it is finally lost upon hitting the Penning trap electrodes. It has been confirmed through detailed experimental investigations that the unique temporal pattern of frequency variation is a consequence of the cloud's radial expansion. Consequently, this approach offers a non-destructive means for single-shot detection, enabling continuous monitoring of the electron cloud's radial expansion during the confinement time...
April 1, 2024: Review of Scientific Instruments
#28
JOURNAL ARTICLE
Takahiro Tsuchiya, Yuki Shinya, Yoshiaki Shiokawa, Takeo Tanishima, Akira Tamura, Hideaki Ono
Salvage treatment of postclipping recurrent aneurysms remains challenging.1,2 The salvage microsurgical clipping is a possible intervention but sometimes difficult because of tissue adhesions around the aneurysm and previously installed clips; therefore, salvage coil embolization may have certain advantages.1-5 However, when coil embolization is not applicable,6 microsurgical clipping is a stand-alone curative treatment, requiring proficient and reliable microsurgical techniques. This article describes a unique case of a 70-year-old female patient complaining of a severe headache with subarachnoid hemorrhage due to a recurrent ruptured left internal carotid-posterior communicating artery aneurysm after microsurgical clipping 23 years ago...
April 23, 2024: Operative Neurosurgery (Hagerstown, Md.)
#29
JOURNAL ARTICLE
Sooyeon Hong, Hye-Rin Cho, Jae-Hyun Kim, Minsun Kim, Sumin Lee, KyuJin Yang, Yujin Lee, Youngjoo Sohn, Hyuk-Sang Jung
BACKGROUND: Mori Radicis Cortex (MRC) is the root bark of the mulberry family as Morus alba L. In Korea, it is known as "Sangbaegpi". While MRC has demonstrated anti-inflammatory and antioxidant effects, its specific mechanisms of action and impact on osteoporosis remain poorly understood. METHODS: To investigate the anti-osteoporosis effect of MRC, we examined the level of osteoclast differentiation inhibition in receptor activator of nuclear factor kappa-Β ligand (RANKL)-induced-RAW 264...
April 23, 2024: Journal of the Chinese Medical Association: JCMA
#30
JOURNAL ARTICLE
David Anderson, Alex Truong, Eva Hevia
Profiting from the dual high basicity and nucleophilicity of organosodium complexes, here we report the stepwise lateral metalation of a wide range of alkyl arenes (MeAr), mediated by hydrocarbon-soluble NaCH2SiMe3.PMDETA (PMDETA = N,N,N',N'',N''-pentamethyldiethylenetriamine), followed by nucleophilic addition to olenfins of the newly generated NaCH2Ar.PMDETA complexes. This method grants access to a range of functionalised hydrocarbons in excellent yields and can be upgraded to catalytic regimes when using trans-stilbene, a 10 mol% of the alkyl sodium base and toluene as a solvent...
April 23, 2024: Chemistry: a European Journal
#31
JOURNAL ARTICLE
Weikang Wang, Shaobin Mei, Shahid Khan, Yujue Hu, Lijuan Sun, Muhammad Adnan Qaiser, Chengzhang Zhu, Lele Wang, Qinqin Liu
Simultaneous utilization of photogenerated electrons and holes to achieve overall redox reactions is attractive but still far from practical application. The emerging step (S)-scheme mechanism has proven to be an ideal approach to inhibit charge recombination and supply photoinduced charges with highest redox potentials. Herein, a hierarchical phosphotungstic acid (H3PW12O40, HPW)@Znln2S4 (ZISW) heterojunction was prepared through one-pot hydrothermal method for simultaneous hydrogen (H2) evolution and benzyl alcohol upgrading...
April 23, 2024: ChemSusChem
#32
JOURNAL ARTICLE
Ethan J Lockhart, Lisa F Horowitz, Adán Rodríguez, Songli Zhu, Tran Nguyen, Mehdi Mehrabi, Taranjit S Gujral, Albert Folch
Cancer drug testing in animals is an extremely poor predictor of the drug's safety and efficacy observed in humans. Hence there is a pressing need for functional testing platforms that better predict traditional and immunotherapy responses in human, live tumor tissue or tissue constructs, and at the same time are compatible with the use of mouse tumor tissue to facilitate building more accurate disease models. Since many cancer drug actions rely on mechanisms that depend on the tumor microenvironment (TME), such platforms should also retain as much of the native TME as possible...
April 23, 2024: Lab on a Chip
#33
JOURNAL ARTICLE
Calebe P Mendes, Wido R Albert, Zachary Amir, Marc Ancrenaz, Eric Ash, Badrul Azhar, Henry Bernard, Jedediah Brodie, Tom Bruce, Elliot Carr, Gopalasamy Reuben Clements, Glyn Davies, Nicolas J Deere, Yoan Dinata, Christl A Donnelly, Somphot Duangchantrasiri, Gabriella Fredriksson, Benoit Goossens, Alys Granados, Andrew Hearn, Jason Hon, Tom Hughes, Patrick Jansen, Kae Kawanishi, Margaret Kinnaird, Sharon Koh, Alice Latinne, Matthew Linkie, Federica Loi, Anthony J Lynam, Erik Meijaard, Jayasilan Mohd-Azlan, Jonathan H Moore, Senthilvel K S S Nathan, Dusit Ngoprasert, Wilson Novarino, Ilyas Nursamsi, Timothy O'Brien, Robert Ong, John Payne, Dolly Priatna, D Mark Rayan, Glen Reynolds, Rustam Rustam, Sasidhran Selvadurai, Amanda Shia, Muhammad Silmi, Pablo Sinovas, Kriangsak Sribuarod, Robert Steinmetz, Matthew J Struebig, Ronglarp Sukmasuang, Sunarto Sunarto, Tarmizi Tarmizi, Arjun Thapa, Carl Traeholt, Oliver R Wearn, Hariyo B Wibisono, Andreas Wilting, Seth Timothy Wong, Siew Te Wong, Jettie Word, Wen Xuan Chiok, Zainal Zahari Zainuddin, Matthew Scott Luskin
Information on tropical Asian vertebrates has traditionally been sparse, particularly when it comes to cryptic species inhabiting the dense forests of the region. Vertebrate populations are declining globally due to land-use change and hunting, the latter frequently referred as "defaunation." This is especially true in tropical Asia where there is extensive land-use change and high human densities. Robust monitoring requires that large volumes of vertebrate population data be made available for use by the scientific and applied communities...
April 22, 2024: Ecology
#34
JOURNAL ARTICLE
Chih-Yen Kuo, Rebecca J Tay, Hung-Che Lin, Sheng-Chian Juan, Guillermo Vidal-Diez de Ulzurrun, Yu-Chu Chang, Jason Hoki, Frank C Schroeder, Yen-Ping Hsueh
The ability to sense prey-derived cues is essential for predatory lifestyles. Under low-nutrient conditions, Arthrobotrys oligospora and other nematode-trapping fungi develop dedicated structures for nematode capture when exposed to nematode-derived cues, including a conserved family of pheromones, the ascarosides. A. oligospora senses ascarosides via conserved MAPK and cAMP-PKA pathways; however, the upstream receptors remain unknown. Here, using genomic, transcriptomic and functional analyses, we identified two families of G protein-coupled receptors (GPCRs) involved in sensing distinct nematode-derived cues...
April 22, 2024: Nature Microbiology
#35
JOURNAL ARTICLE
Chao Wei, Qing Huang, Fanxing Zeng, Li Ma, Xiaofei Bai, Xuejing Zhu, Hua Gao, Xiaolin Qi
The activation of innate immunity following transplantation has been identified as a crucial factor in allograft inflammation and rejection. However, the role of cGAS/STING signaling-mediated innate immunity in the pathogenesis of allograft rejection remains unclear. Utilizing a well-established murine model of corneal transplantation, we demonstrated increased expression of cGAS and STING in rejected corneal allografts compared to syngeneic and normal corneas, along with significant activation of the cGAS/STING pathway, as evidenced by the enhanced phosphorylation of TANK-binding kinase 1 (TBK1) and interferon regulatory factor 3 (IRF3)...
April 20, 2024: American Journal of Transplantation
#36
JOURNAL ARTICLE
Alokesh Kumar Ghosh, Sujogya Kumar Panda, Haibo Hu, Liliane Schoofs, Walter Luyten
This study was conducted to isolate and identify the bioactive compounds from the ethanolic extract of Syzygium cumini leaf against Vibrio species through a bioassay-guided fractionation. The ethanol extract was exposed to silica gel chromatography followed by reversed phase HPLC to isolate the most effective fraction against V. parahaemolyticus . Using further UHPLC-orbitrap-ion trap mass spectrometry, five compounds were isolated with broad-spectrum potency against a range of Vibrio species viz. V. parahaemolyticus, V...
April 22, 2024: Natural Product Research
#37
JOURNAL ARTICLE
Jianrong Huang, Hongqiang Feng, V Alistair Drake, Don R Reynolds, Boya Gao, Fajun Chen, Guoyan Zhang, Junsheng Zhu, Yuebo Gao, Baoping Zhai, Guoping Li, Caihong Tian, Bo Huang, Gao Hu, Jason W Chapman
Long-distance migrations of insects contribute to ecosystem functioning but also have important economic impacts when the migrants are pests or provide ecosystem services. We combined radar monitoring, aerial sampling, and searchlight trapping, to quantify the annual pattern of nocturnal insect migration above the densely populated agricultural lands of East China. A total of ~9.3 trillion nocturnal insect migrants (15,000 t of biomass), predominantly Lepidoptera, Hemiptera, and Diptera, including many crop pests and disease vectors, fly at heights up to 1 km above this 600 km-wide region every year...
April 30, 2024: Proceedings of the National Academy of Sciences of the United States of America
#38
JOURNAL ARTICLE
Pramod Kumar Mehta, Mahendra Maharjan
BACKGROUND OBJECTIVES: Annual mass drug administration (MDA) is the main strategy to interrupt the transmission of lymphatic filariasis (LF) in the community. The main aim of monitoring the MDA program, for its effectiveness and interruption of LF is the post-MDA surveillance using antigen survey in children born after MDA. The latest technique of new research suggests that xenomonitoring is an effective tool for monitoring LF intervention. The objective of this study was to assess the W...
January 1, 2024: Journal of Vector Borne Diseases
#39
JOURNAL ARTICLE
Mohamed Asyraf Noh, Siti Norbaya Masri, Azlina Zulkapli, Mohammad Ridhuan Mohd Ali, Fairuz Amran
BACKGROUND OBJECTIVES: Leptospirosis is an important zoonotic infection that has caused significant mortality and morbidity worldwide. This disease is endemic in Malaysia and as a developing tropical country, leptospirosis is concerning as it threatens Malaysian public health and the country's economic sectors. However, there is limited information on leptospirosis in Malaysia, especially regarding leptospiral seroepidemiology among carriers in Malaysia. Therefore, more epidemiological information on the source of the disease and reservoir are needed for better disease control and source intervention...
January 1, 2024: Journal of Vector Borne Diseases
#40
JOURNAL ARTICLE
Srinu Kotha, Rahul Sahu, Aditya Chandrakant Yadav, Karteek K Bejagam, Sandeep K Reddy, Kotagiri Venkata Rao
Understanding solvent-solute interactions is essential to designing and synthesising soft materials with tailor-made functions. Although the interaction of the solute with the solvent mixture is more complex than the single solvent medium, solvent mixtures are exciting to unfold several unforeseen phenomena in supramolecular chemistry. Here we report two unforeseen pathways observed during the hierarchical assembly of cationic perylene diimides (cPDIs) in a water and amphiphilic organic solvent (AOS) mixtures...
April 22, 2024: Chemistry: a European Journal
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