Results 181 to 190 of about 317,266 (398)

Bifunctional Organocatalysts and Brønsted Bases in Cooperative Catalysis for the Asymmetric [4 + 2] Cycloaddition of In Situ‐Generated Dienes from Isochromane‐3,4‐Diones with Nitroalkenes

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
Herein, the first asymmetric [4+2] cycloaddition is reported, utilizing in situ‐generated dienes from isochromane‐3,4‐diones and nitroalkenes, catalyzed by a bifunctional thiourea organocatalyst and Brønsted base cocatalysts, yielding highly enantioselective bridged and spiro lactones, with further investigations into novel reactivity and product ...
Mohammad Sadeq Mousavi   +2 more
wiley   +1 more source

Single Stage Oxidation ofp-Xylene with Ozonized Air [PDF]

open access: bronze, 1966
Tsuguo Takaya   +2 more
openalex   +1 more source

Engineering Poly(Lactic Acid)/Cellulose Nanocrystal Composites: A Comparative Review of Preparation Strategies and their Influence on Structure‐Property Relationships

open access: yesAdvanced Sustainable Systems, EarlyView.
This review compares diverse strategies for preparing PLA/CNC nanocomposites and examines how each method shapes the composite structure and properties. By highlighting trade‐offs in dispersion, crystallinity, and scalability, it guides optimal technique selection for targeted applications such as packaging, biomedical scaffolds, and 3D printing, where
Jimin Ryoo, Dongyeop X. Oh, Jeyoung Park
wiley   +1 more source

Catalytic Preparation, Characterization and Performance Isomerization of M-Xylene by Modified Montmorillonite Prepared by Microwave

open access: yesScience Journal of University of Zakho, 2013
The preparation and the structural characterization of aluminium inter-foliated montmorillonite (Algerien clay) has revealed that calcination by microwave finish in 10 minutes, present results showed a similar characterisation of height  performance as ...
Zoubida Chemat- Djennia   +2 more
doaj  

SMYD3 Promotes Immune Evasion in Clear Cell Renal Cell Carcinoma via SREBP1‐Mediated Transactivation of CD47

open access: yesAdvanced Science, EarlyView.
Cancer cell‐intrinsic SMYD3 orchestrates an immunosuppressive microenvironment and impairs the response to PD‐1 blockade by reprogramming immune cells landscape in the tumor microenvironment of clear cell renal cell carcinoma (ccRCC). The immunomodulatory function of SMYD3 is mediated via the SREBP1/CD47 pathway.
Zhengfang Liu   +14 more
wiley   +1 more source

Glucose Deprivation‐Induced Disulfidptosis via the SLC7A11‐INF2 Axis: Pan‐Cancer Prognostic Exploration and Therapeutic Validation

open access: yesAdvanced Science, EarlyView.
Glucose deprivation or GLUT1 inhibition induces disulfidptosis in SLC7A11high ovarian cancer cells by promoting cystine accumulation, NADPH/ATP depletion, and F‐actin disulfide formation. SLC7A11 interacts with INF2 to further increase H₂O₂ levels and impair mitochondrial fission, suppressing cell migration. Targeting the SLC7A11–INF2 axis represents a
Zhenyu Song   +9 more
wiley   +1 more source

Unraveling the Role of MDK‐SDC4 Interaction in Pancreatic Cancer‐Associated New‐Onset Diabetes by Single‐Cell Transcriptomic Analysis

open access: yesAdvanced Science, EarlyView.
Midkine (MDK) is a mediator of the interaction between pancreatic cancer and beta cells. MDK, which originated from pancreatic ductal adenocarcinoma cells, exerted deleterious effects on paraneoplastic beta cells by binding to the SDC4 receptor on the beta cell surface and subsequently downregulating the Ras signaling pathway, thereby impairing insulin
Zengyu Feng   +7 more
wiley   +1 more source

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