Results 71 to 80 of about 813,895 (238)

HPLC-UV-vis analysis of the unhydrolysed and hydrolysed G verum extract. [PDF]

, 2018
(A) Heatmap of the chromatographic profile versus elution time. (B) Chromatograms of the two extracts and of the standards monitored at 320 nm. (C) UV-vis molecular absorption spectra of six of the employed standards.
Anamaria Hosu (5478911), Vlad Toma (5478914), Marcel Parvu (775436), Augustin C. Mot (775433), Radu Silaghi-Dumitrescu (284059), Ioana Roman (2620636), Anca D. Farcas (5478917), Cezara Zagrean-Tuza (5478905), Claudia Cimpoiu (5478908)   +8 more
core   +1 more source

A novel quinazolinone insulin receptor inhibitor and its synergy with an EGFR inhibitor in glucose‐driven glioblastoma

Molecular Oncology, EarlyView.
The novel styrylquinazolinone‐based molecule W1B effectively suppresses glioblastoma by inhibiting IGF1R and EGFR. In high‐glucose microenvironments driving tumor resistance, W1B acts synergistically with the EGFR inhibitor dacomitinib. This combination safely blocks compensatory survival signaling in zebrafish xenograft models. Showcasing promising in
Patryk Rurka, Wioleta Cieślik, Wojciech Płaziński, Katarzyna Stępnik, Anna Boguszewska‐Czubara, Elżbieta Kot, Robert Musioł, Mateusz Jasica, Anna Mrozek‐Wilczkiewicz, Katarzyna Malarz   +9 more
wiley   +1 more source

A light‐triggered Time‐Resolved X‐ray Solution Scattering (TR‐XSS) workflow with application to protein conformational dynamics

FEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering captures how proteins change shape in real time under near‐native conditions. This article presents a practical workflow for light‐triggered TR‐XSS experiments, from data collection to structural refinement. Using a calcium‐transporting membrane protein as an example, the approach can be broadly applied to study ...
Fatemeh Sabzian‐Molaei, Fredrik Orädd, Konstantinos Magkakis, Magnus Andersson   +3 more
wiley   +1 more source

LÁSER de Xe NEUTRO y MULTI-IÓNICO UV – VIS – IR

Anales (Asociación Física Argentina), 2004
El láser de Xe pulsado, ha sido perfeccionado en el tiempo y es hoy un emisor de radiación estimulada en numerosas transiciones que cubren el rango de 220 a 2200 nm.
M. Gallardo, M. Raineri, M. Giulani, C. Lagorio, S. Padilla, J. Reyna Almandos   +5 more
doaj  

C₆₀ Fullerene as an Effective Nanoplatform of Alkaloid Berberine Delivery into Leukemic Cells

Pharmaceutics, 2019
A herbal alkaloid Berberine (Ber), used for centuries in Ayurvedic, Chinese, Middle-Eastern, and native American folk medicines, is nowadays proved to function as a safe anticancer agent.
Anna Grebinyk, Svitlana Prylutska, Anatoliy Buchelnikov, Nina Tverdokhleb, Sergii Grebinyk, Maxim Evstigneev, Olga Matyshevska, Vsevolod Cherepanov, Yuriy Prylutskyy, Valeriy Yashchuk, Anton Naumovets, Uwe Ritter, Thomas Dandekar, Marcus Frohme   +13 more
doaj   +1 more source

Measurement of Wavelength-Resolved Light Absorption by Aerosols Utilizing a UV-VIS Extinction Cell [PDF]

, 2005
The principle, technical details, and performance of the long path extinction spectrometer (LOPES), a new folded-path extinction cell with a spectral range from the mid-UV (200 nm) to the near infrared (1015 nm), is presented.
Schurath, Ulrich, Klein, Karl-Friedrich, Thielmann, Axel, Schurath, U., Möhler, Ottmar, Schmid, O., Gimmler, M., Schmid, Otmar, Fritzsche, L., Andreae, M. O., Petzold, Andreas, Fritzsche, Lutz, Schnaiter, M., Mohler, O. M., Thielmann, A., Helas, Günther, Andreae, Meinrat O., Petzold, A., Helas, G., Schnaiter, Martin, Gimmler, Melanie, Linke, Claudia, Klein, K. F., Linke, C.   +23 more
core   +1 more source

Analysing the significance of small conformational changes and low occupancy states in serial crystallographic data

FEBS Open Bio, EarlyView.
This protocol paper outlines methods to establish the success of a time‐resolved serial crystallographic experiment, by means of statistical analysis of timepoint data in reciprocal space and models in real space. We show how to amplify the signal from excited states to visualise structural changes in successful experiments.
Jake Hill, Yelyzaveta Pulnova, Elke De Zitter, Helen M. Ginn, Briony A. Yorke   +4 more
wiley   +1 more source

Tautomerism and switching in 7-hydroxy-8-(azophenyl)quinoline and similar compounds

Beilstein Journal of Organic Chemistry
Tautomerism in two new azo dyes, based on 7-hydroxyquinoline, has been considered from the viewpoint of the proton crane concept. Although 8-(phenyldiazenyl)quinolin-7-ol exists in solution as a mixture of azo and two hydrazone tautomers, as shown by the
Lidia Zaharieva, Vera Deneva, Fadhil S. Kamounah, Nikolay Vassilev, Ivan Angelov, Michael Pittelkow, Liudmil Antonov   +6 more
doaj   +1 more source

Photodegradation Pathways of Typical Phthalic Acid Esters Under UV, UV/TiO2, and UV-Vis/Bi2WO6 Systems

Frontiers in Chemistry, 2019
Photolysis and photocatalysis of typical phthalic acid esters (dimethyl phthalate, DMP; diethyl phthalate, DEP; dibutyl phthalate, DBP) were carried out in UV, UV/TiO2, and UV-Vis/Bi2WO6 systems.
Chunying Wang, Ting Zeng, Chuantao Gu, Chuantao Gu, Sipin Zhu, Qingqing Zhang, Xianping Luo   +6 more
doaj   +1 more source

Evolutionarily divergent DUF4465 domains have a common vitamin B12‐binding function

FEBS Open Bio, EarlyView.
We show that DUF4465 family proteins, widespread across bacteria from gut microbiomes, hydrothermal vents, and soil, share a common vitamin B12‐binding function. These augmented β‐jellyroll proteins bind vitamin B12 via extended loops. Our findings establish sequence‐diverse DUF4465 proteins as a widespread class of B12‐binding proteins, highlighting ...
Charlea Clarke, Michal Banasik, Rokas Juodeikis, Martin J. Warren, Richard W. Pickersgill   +4 more
wiley   +1 more source