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A total of 17 families and 22 species were identified at Molino de Flores Netzahualcóyotl National Park
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Acorn chemical composition varied among species and among maturity stages
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301por Stamatopoulos, Nicole, Lu, Chuan, Vo, Samuel, Vaquero, Mercedes Espada, Leonardi, Mathew, Condous, George“…The data collected included the following: smoking status, the crown–rump length (CRL) of the pregnancy at the first ultrasound that showed an embryonic heart rate, the gestation in days and the CRL at another ultrasound up to the nuchal translucency scan and the gestation in days. …”
Publicado 2022
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302“…Crownphyrins are hybrid macrocycles combining structural features of porphyrin and crown ethers. The molecular architecture renders them an intriguing class of hosts capable of binding neutral, and ionic guests. …”
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307por Delikanli, Savas, Canimkurbey, Betul, Hernández-Martínez, Pedro Ludwig, Shabani, Farzan, Isik, Ahmet Tarik, Ozkan, Ilayda, Bozkaya, Iklim, Bozkaya, Taylan, Isik, Furkan, Durmusoglu, Emek Goksu, Izmir, Merve, Akgun, Hakan, Demir, Hilmi Volkan“…Here, we present a pathway for designing and synthesizing colloidal type-II core/(multi-)crown hetero-NPLs and investigate their optical properties. …”
Publicado 2023
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309“…The dimethylammonium cation and the water molecule interact with the 18-crown-6 unit: N—H⋯O hydrogen bonds are formed between the ammonium NH(2) (+) group and four O atoms of the crown ether, while the water molecule on the other side of 18-crown-6 ring forms O—H⋯O hydrogen bonds with two other O atoms of the crown ether. …”
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310“…The reaction of 4-bromoaniline, 18-crown-6, and perchloric acid in methanol yields the title compound, C(6)H(7)BrN(+)·ClO(4) (−)·C(12)H(24)O(6), in which the protonated –NH(3) (+) group forms three bifurcated N—H⋯O hydrogen bonds to the O atoms of the crown ether.…”
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311“…The cation, anion and 18-crown-6 molecule all have crystallographically imposed mirror symmetry.…”
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312“…In the title compound, C(7)H(10)N(+)·ClO(4) (−)·C(20)H(24)O(6), the protonated benzylamine cation forms a rotator–stator complex with the 18-crown-6 (1,4,7,10,13,16-hexaoxacyclooctadecane) molecule via N—H⋯O hydrogen bonds. …”
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313por Wang, Yu-Feng“…In the title compound, C(7)H(10)N(+)·ClO(4) (−)·C(12)H(24)O(6), the 4-methylanilinium cation interacts with an 18-crown-6 molecule forming a rotator–stator-like structure through bifurcated N—H⋯(O,O) hydrogen bonds between the ammonium group of the cation and the O atoms of the crown ether molecule. …”
Publicado 2011
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314por Jin, Yu“…In the title compound, CH(3)NH(3) (+)·BF(4) (−)·C(12)H(24)O(6), the methylammonium cation makes three N—H⋯O hydrogen bonds to the 18-crown-6 molecule. The –NH(3) (+) and –CH(3) groups of the cation adopt a staggered conformation. …”
Publicado 2011
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315“…Gemination, a relatively uncommon dental anomaly, is characterized by its peculiar representation as a tooth with a bifid crown and a common root and root canal. It usually occurs in primary dentition. …”
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316por McDonnell, Marie E., Ganley-Leal, Lisa M., Mehta, Ankeeta, Bigornia, Sherman, Mott, Melanie, Rehman, Qasim, Farb, Melissa G, Hess, Donald, Joseph, Lija, Gokce, Noyan, Apovian, Caroline M.“…Accumulation of macrophages and T cells within crown-like structures (CLS) in subcutaneous adipose tissue predicts disease severity in obesity related insulin resisance (OIR). …”
Publicado 2012
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317“…Then, on one representative tree per plot, we additionally recorded epiphytic species in the crown, using tree climbing techniques. Per tree, on average 54% of lichen and 20% of bryophyte species were overlooked if the crown was not been included. …”
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318“…In this study, GC-MS was used to detect metabolic changes in the overwintering crown tissue of oat (Avena sativa L.) during a fourteen day time-course after freezing. …”
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319por Shetty, Prashant P., Metgud, Sandeep, Jain, Ankit, Dhillon, Gurbani, Astekar, MadhusudanEnlace del recurso
Publicado 2012
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320“…The crowned dens syndrome (CDS), also known as periodontoid calcium pyrophosphate dehydrate crystal deposition disease, is typified clinically by severe cervical pain, neck stiffness and atlantoaxial synovial calcification which could be misdiagnosed as meningitis, epidural abscess, polymyalgia rheumatica, giant cell arthritis, rheumatoid arthritis, cervical spondylitis or metastatic spinal tumor. …”
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