Results 11 to 20 of about 205,156 (280)

Chemical crystallography by serial femtosecond X-ray diffraction. [PDF]

Nature, 2022
Schriber EA, Paley DW, Bolotovsky R, Rosenberg DJ, Sierra RG, Aquila A, Mendez D, Poitevin F, Blaschke JP, Bhowmick A, Kelly RP, Hunter M, Hayes B, Popple DC, Yeung M, Pareja-Rivera C, Lisova S, Tono K, Sugahara M, Owada S, Kuykendall T, Yao K, Schuck PJ, Solis-Ibarra D, Sauter NK, Brewster AS, Hohman JN.   +26 more
europepmc   +2 more sources

Last Trends in Point-of-Care (POC) Diagnostics for the Management of Hematological Indices in Home Care Patients

Biosensors, 2023
Today, complete blood count (CBC) analyses are highly automated and allow for high throughput and accurate and reliable results. However, new analytical tools are in great demand to provide simple, rapid and cost-effective management of hematological ...
Fabrizio Clemente, Amina Antonacci, Maria Teresa Giardi, Valeria Frisulli, Francesco Paolo Tambaro, Viviana Scognamiglio   +5 more
doaj   +1 more source

O- vs. N-protonation of 1-dimethylaminonaphthalene-8-ketones: formation of a peri N–C bond or a hydrogen bond to the pi-electron density of a carbonyl group [PDF]

, 2014
X-ray crystallography and solid-state NMR measurements show that protonation of a series of 1-dimethylaminonaphthalene-8-ketones leads either to O protonation with formation of a long N–C bond (1.637–1.669 Å) between peri groups, or to N protonation and ...
Allen, Andrew Jarmyn, Barbour, Bell, Chen, Claire Wilson, Clark, Coles, Dyker, Fletcher, Frey, Giavani, Gobetto, Gregory J. Rees, Gu, Gu, Hojo, Houk, John D. Wallis, John V. Hanna, Kiefl, Lari, Macrae, Martin, Mateusz B. Pitak, Meot-Ner, Murray-Rust, Nerea Mercadal, O'Leary, Penner, Rees, Schuster, Schweizer, Sheldrick, Simon J. Coles, Steiner, Stephen P. Day, Stoyanov, Taylor, Tkatchenko   +39 more
core   +2 more sources

Chemical Crystallography at the Advanced Light Source

Crystals, 2017
Chemical crystallography at synchrotrons was pioneered at the Daresbury SRS station 9.8. The chemical crystallography beamlines at the Advanced Light Source seek to follow that example, with orders of magnitude more flux than a lab source, and various in
Laura J. McCormick, Nico Giordano, Simon J. Teat, Christine M. Beavers   +3 more
doaj   +1 more source

Analyzing Discrepancies in Chemical-Shift Predictions of Solid Pyridinium Fumarates

Molecules, 2021
Highly accurate chemical-shift predictions in molecular solids are behind the success and rapid development of NMR crystallography. However, unusually large errors of predicted hydrogen and carbon chemical shifts are sometimes reported.
Martin Dračínský
doaj   +1 more source

Regio-selective substitution at the 1,3- and 6,8-positions of pyrene for the construction of small dipolar molecules [PDF]

, 2015
© 2015 American Chemical Society. This article presents a novel asymmetrical functionalization strategy for the construction of dipolar molecules via efficient regioselective functionalization along the Z-axis of pyrene at both the 1,3- and 6,8-positions.
Elsegood, Mark R. J., Feng, Xing, Horsburgh, Lynne, Hu, Jian-Yong, Redshaw, Carl, Teat, Simon J., Tomiyasu, Hirotsugu, Wei, Xianfu, Yamato, Takehiko   +8 more
core   +8 more sources

Formation of a highly dense tetra-rhenium cluster in a protein crystal and its implications in medical imaging

IUCrJ, 2019
The fact that a protein crystal can serve as a chemical reaction vessel is intrinsically fascinating. That it can produce an electron-dense tetranuclear rhenium cluster compound from a rhenium tricarbonyl tribromo starting compound adds to the ...
Alice Brink, John R. Helliwell
doaj   +1 more source

Structural and stereogenic properties of spiro- and ansa-substituted 1,3-propanedioxy derivatives of a spermine-bridged cyclotriphosphazene [PDF]

, 2006
Reaction of 1,3-propanediol with the achiral spermine-bridged cyclophosphazene 1 at various molar ratios in THF gives a number of spiro-and ansa-derivatives that exhibit different stereogenic properties, viz. racemic, meso or achiral forms. As expected,
Adem Kılıç, Alkubaisi, Allen, Beşli, Beşli, Beşli, Brandt, Coles, Coles, Contractor, David B. Davies, Davies, Dez, Fraser, Gönül Yenilmez Çiftçi, Kılıç, Labarre, Labarre, Otwinowski, Pirkle, Porwolik-Czomperlik, Rinaldi, Robert A. Shaw, Robert J. Eaton, Shaw, Sheldrick, Sheldrick, Simon J. Coles, Sullivan, Weissman   +29 more
core   +1 more source

Predicting Accurate Lead Structures for Screening Molecular Libraries: A Quantum Crystallographic Approach

Molecules, 2021
Optimization of lead structures is crucial for drug discovery. However, the accuracy of such a prediction using the traditional molecular docking approach remains a major concern.
Suman Kumar Mandal, Parthapratim Munshi
doaj   +1 more source

Chemical and structural characterization of fibrous richterite with high environmental and health relevance from Libby, Montana (USA) [PDF]

, 2016
This study reports new structural and spectroscopic data of a sample of fibrous richterite from Libby, Montana (USA). The OH-stretching region was investigated by FT-IR. The spectrum showed, except for the typical absorption band at 3671 cm-1 assigned to
BALLIRANO, Paolo, PACELLA, Alessandro
core   +1 more source