Results 21 to 30 of about 1,015 (162)

Shedding Light on Synthetic Autocatalysis: From Conventional Closed‐Shell Chemistries to Overlooked Open‐Shell Occurrences

Chemistry – A European Journal, EarlyView.
Why add another catalyst when the product itself holds the power to catalyze its own formation? Autocatalysis in synthetic chemistry enhances reaction efficiency and uncovers novel catalytic behavior across both closed‐shell and open‐shell systems, expanding reactivity and enabling innovative design strategies.
Jaspreet Kaur, Joshua P. Barham
wiley   +1 more source

Crystalline niobium phosphates with water-tolerant and adjustable Lewis acid sites for the production of lactic acid from triose sugars

, 2018
Crystalline niobium phosphates: water-tolerant Lewis acid catalysts for the conversion of trioses to lactic acid under aqueous conditions.
Bin Wang, Yongji Song, Xincheng Wang, Chongpin Huang   +3 more
core   +1 more source

Table_1_Associations of Human Milk Oligosaccharides With Otitis Media and Lower and Upper Respiratory Tract Infections up to 2 Years: The Ulm SPATZ Health Study.docx

, 2021
Background: Human milk oligosaccharides (HMOs) support and concurrently shape the neonatal immune system through various mechanisms. Thereby, they may contribute to lower incidence of infections in infants.
Bernd Stahl (829556), Jon Genuneit (237467), Linda P. Siziba (11601136), Deborah Kurz (11601139), Bernadet Blijenberg (4924102), Marko Mank (2302162), John Gonsalves (1406101), Dietrich Rothenbacher (240639)   +7 more
core   +1 more source

Raman Bands of Malto‐ and Isomalto‐Oligosaccharides as Models for Starch

Journal of Raman Spectroscopy, EarlyView.
The present study measured Raman spectra of malto‐ and isomalto‐oligosaccharides with various degree of polymerization as models for starch. The data suggest that malto‐oligosaccharides with degree of polymerization ≥ 5 exhibit Raman bands similar to those of starch.
Shusaku Nakajima, Takuma Genkawa
wiley   +1 more source

Multifunctional Heterogeneous Catalysts for the Selective Conversion of Glycerol into Methyl Lactate [PDF]

, 2018
Multifunctional catalytic systems consisting of physical mixtures of Au nanoparticles (2–3 nm) supported on metal oxides and Sn-MCM-41 nanoparticles (50–120 nm) were synthesized and investigated for the selective conversion of glycerol to methyl lactate.
Hero J. Heeres (1469566), Sonia L. Fiorilli (5497808), Heeres, Hero J.; id_orcid, Tang, Zhenchen, Heeres, Hero J., Zhenchen Tang (2827766), Paolo P. Pescarmona (2072266), Pescarmona, Paolo P., Fiorilli, Sonia L., Pescarmona, Paolo P.; id_orcid   +9 more
core   +1 more source

Leaf C:P ratio as a universal indicator of photosynthesis in subtropical woody species: Stoichiometric thresholds and metabolic trade‐offs

Functional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract The stoichiometric ratios of carbon (C), nitrogen (N) and phosphorus (P) serve as important indicators for assessing nutrient balance in forest ecosystems, but their relationships with photosynthetic dynamics require deeper characterization.
Minghao Chen, Yahong Zheng, Minling Cai, Songbo Tang, Lingling Zhang, Xianzhen Luo, Xiaoqian Zhang, Enqing Hou, Yuanwen Kuang, Dazhi Wen   +9 more
wiley   +1 more source

Rapid dehydration drives a nondiffusional drop in C3 photosynthesis that aligns with phosphate limitation

New Phytologist, EarlyView.
Schematic representation of the causal sequence through which rapid water loss imposes diffusive and nondiffusive restrictions on carbon assimilation. Summary Drought is an abnormally prolonged water deficit posing major challenges to plants. Stomatal closure has long been considered the primary factor limiting photosynthesis during the early stages of
Chandra Bellasio, Daniel Tholen, Hilary Stuart‐Williams, Graham D. Farquhar, Jaume Flexas   +4 more
wiley   +1 more source

Methanol-dependent production of dihydroxyacetone and glycerol by mutants of the methylotrophic yeast Hansenula polymorpha blocked in dihydroxyacetone kinase and glycerol kinase

, 1990
Various factors controlling dihydroxyacetone (DHA) and glycerol production from methanol by resting cell suspensions of a mutant of Hansenula polymorpha, blocked in DHA kinase and glycerol kinase, were investigated.
Koning, W. de,, Weusthuis, R.A.,, Koning, W. de, Harder, W.,, Dijkhuizen, L.,, Weusthuis, R.A., Dijkhuizen, L., Harder, W., Dijkhuizen, L.; id_orcid   +8 more
core   +1 more source

Intra‐annual transfer of hydrogen and oxygen isotopic signals from water and sugar precursors to tree rings: Processes and mechanisms

New Phytologist, EarlyView.
Intra‐annual radial growth of beech and spruce in 2021 and 2022. Summary The oxygen (δ18O) and hydrogen (δ2H) isotope compositions of leaf and xylem water shape tree‐ring isotope baselines, while the fraction of sugars undergoing isotopic modification downstream of leaves (fO, fH) determines the dominant hydrologic signal.
Haoyu Diao, Meisha Holloway‐Phillips, Xin Song, Fabian Bernhard, Peter Waldner, Kerstin Treydte, Matthias Saurer, Georg von Arx, Arthur Gessler, Katrin Meusburger, Marco M. Lehmann   +10 more
wiley   +1 more source

Associations of Human Milk Oligosaccharides With Otitis Media and Lower and Upper Respiratory Tract Infections up to 2 Years: The Ulm SPATZ Health Study

, 2023
Background: Humanmilk oligosaccharides (HMOs) support and concurrently shape the neonatal immune system through various mechanisms. Thereby, they may contribute to lower incidence of infections in infants.
Siziba, Linda P., Genuneit, Jon, Stahl, Bernd, Mank, Marko, Blijenberg, Bernadet, Gonsalves, John, Rothenbacher, Dietrich, Kurz, Deborah   +7 more
core   +2 more sources