Results 111 to 120 of about 1,295,796 (230)

Investigation of suture surgery with ant by Hakim Mohammad the Iranian surgeon of Safavid Era (1501 to 1736)

open access: yesJournal of Current Oncology and Medical Sciences, 2023
Hakim Mohammad, a military physician, and surgeon of the Safavid Era (1501 to 1736) and the author of Dhakhira-Yi-Kamilah book, served as a young man in the Ottoman Empire Officer as a surgeon physician.
Saeed Sepehrikia   +2 more
doaj  

An Open‐Source Pipeline for Calcium Imaging and All‐Optical Physiology in Human Stem Cell‐Derived Neurons

open access: yesAdvanced Science, EarlyView.
This work introduces an open‐source all‐optical platform for functional phenotyping of human stem cell‐derived neurons. The system integrates optogenetics, calcium imaging, automated acquisition, and analysis to resolve single‐cell and network activity, enabling longitudinal measurements, disease modeling, and pharmacological screening in preclinical ...
Wardiya Afshar‐Saber   +12 more
wiley   +1 more source

Aminal‐linked Covalent Organic Frameworks for Light Energy Upconversion

open access: yesAngewandte Chemie, EarlyView.
Aminal‐linked covalent organic frameworks incorporating anthracene units are introduced as solid‐state platforms for triplet–triplet annihilation upconversion. The crystalline materials retain chromophore electronic properties and exhibit fluorescence quantum yields of up to 40%.
Mateusz Brzeziński   +7 more
wiley   +2 more sources

A Metal‐Free Carbon Monoxide Prodrug Suppresses Metastasis of Pancreatic and Breast Cancer

open access: yesAdvanced Science, EarlyView.
A metal‐free carbon monoxide (CO) prodrug, CO‐116, delivers controlled systemic CO without inhalation. CO suppresses the HRG1–heme axis, reducing intracellular heme availability. Attenuation of this pathway inhibits metastatic progression in pancreatic and triple‐negative breast cancer models.
Tiantian Zhang   +15 more
wiley   +1 more source

Low‐Temperature Reverse Water–Gas Shift Enabled by Magnetically Induced Catalysis

open access: yesAngewandte Chemie, EarlyView.
Magnetically induced catalysis using standard Cu–Al spinel‐derived catalyst functionalized with carbon‐coated iron nanoparticles enables high CO yield (up to 62%) at mild catalyst and reactor temperatures (estimated at 300°C and determined as 25–123°C, respectively).
Junhui Hu   +12 more
wiley   +2 more sources

Megalomyrmex milenae Transcriptome Reveals a Complex Venom Cocktail

open access: yesToxins
Megalomyrmex ant species have a rich natural history that provides an interesting backdrop to understanding how venom has been shaped by evolution.
Kyle S. Sozanski   +4 more
doaj   +1 more source

Cars2‐Mediated Cysteine Catabolism Drives Brown Fat Development and Thermogenesis Through Persulfidating EBF2

open access: yesAdvanced Science, EarlyView.
We demonstrate that Cars2, a cysteine catabolic enzyme in mouse iBAT, is critical for cold tolerance and brown adipocyte differentiation. Through its CPERS activity, Cars2 produces CysSSH/H2S to induce EBF2 persulfidation, promoting its interaction with PPARγ and BRG1 to enhance thermogenic gene expression.
Xin Peng   +8 more
wiley   +1 more source

Conformationally Driven Dual Fluorescence Properties of Higher Heteroacenes With Periodically Incorporated Boron Atoms

open access: yesAngewandte Chemie, EarlyView.
We herein report the synthesis of a new heteroheptacene derivative with periodically incorporated six boron atoms. This compound exhibits dual fluorescence attributed to two interconvertible conformers that result from a delicate balance between the extended π‐system and the steric demand of bulky aryl groups attached to the boron centers.
Takeshi Yokochi   +6 more
wiley   +2 more sources

Peroxidase‐Mimicking Nanozymes for Rapid Detection of Infectious Diseases

open access: yesAdvanced Science, EarlyView.
Peroxidase‐mimicking nanozymes (PMNs) have emerged as robust and versatile materials for rapid infectious disease diagnostics. This review highlights the rational design and controlled synthesis of PMNs, summarizes key biomarkers relevant to infectious diseases, examines their integration into diverse rapid detection platforms, and highlights ...
Shikuan Shao   +5 more
wiley   +1 more source

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