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The atypical proteome of mitochondria from mature pollen grains.
Curr Biol
January 2025
Department of Plant Physiology, UPSC, Umeå University, 90187 Umeå, Sweden. Electronic address:
To propagate their genetic material, flowering plants rely on the production of large amounts of pollen grains that are capable of germinating on a compatible stigma. Pollen germination and pollen tube growth are thought to be extremely energy-demanding processes. This raises the question of whether mitochondria from pollen grains are specifically tuned to support this developmental process.
View Article and Find Full Text PDFUnexpected amine-triggered skeletal modification of fascaplysin and its derivatives: rapid access to δ,γ-biscarbolines.
Org Biomol Chem
January 2025
State Key Laboratory of Discovery and Utilization of Functional Components in Traditional Chinese Medicine, Guizhou Medical University, Guiyang 550014, China.
An unsuccessful attempt to directly construct alkaloid iheyamine A from a fascaplysin framework resulted in the discovery of a novel synthetic approach to alkylated δ,γ-biscarboline derivatives. With the easy-to-operate reaction conditions of this protocol, 18 alkylated biscarbolines have been prepared in moderate to good yields. An unexpected domino transformation was proposed to involve a pyridinium ring-opening/aza-electrocyclization/oxidative deformylation sequence.
View Article and Find Full Text PDFSuperhydrophobic and Self-Healing Porous Organic Macrocycle Crystals for Methane Purification under Humid Conditions.
J Am Chem Soc
January 2025
Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310058, P. R. China.
Purifying methane from natural gas using adsorbents not only requires the adsorbents to possess excellent separation performance but also to overcome additional daunting challenges such as humidity interference and durability requirements for sustainable use. Herein, porous organic crystals of a new macrocycle () with superhydrophobic and self-healing features are prepared and employed for the purification of methane (>99.99% purity) from ternary methane/ethane/propane mixtures under 97% relative humidity.
View Article and Find Full Text PDFA Cross-Sectional Examination of Missed Infection Control Practices Among Nurses in the Jordanian Hospitals.
Workplace Health Saf
January 2025
Faculty of Nursing, The University of Jordan, Amman.
Background: Missed infection control practices may negatively impact quality healthcare and patient safety in acute health care settings. Hence, more research is urgently needed especially in Arab countries. To investigate the elements and reasons of missed infection control activities among nurses in Jordan.
View Article and Find Full Text PDFAltered Oscillatory Neural Dynamics Related to Word Prediction in Older Adult Readers.
Lang Cogn Neurosci
July 2024
Beckman Institute for Advanced Science and Technology, University of Illinois Urbana-Champaign, USA.
The engagement of predictive mechanisms during language comprehension can facilitate processing and modulate neural oscillatory activity. These modulations include alpha-band activity decreases prior to expected words, reflecting anticipatory preparation, and frontal theta-band activity following unexpected words, reflecting engagement of cognitive control. It remains unknown how these oscillatory dynamics are impacted by aging.
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