Results 131 to 140 of about 2,374,391 (306)

Pharmaceutical and biomedical applications of liquid chromatography /

open access: yes, 1994
This volume reflects the changes that have taken place in the pharmaceutical industry over the last ten years, most notably the increased importance attached to the question of chirality, the growing influence of biotechnology and the need for more ...
Riley, Christopher M.   +2 more
core  

Purification Of The Seven Tetranortriterpenoids In Neem (azadirachta Indica) Seed By Counter-current Chromatography Sequentially Followed By Isocratic Preparative Reversed-phase High-performance Liquid Chromatography.

open access: yes, 2007
Counter-current chromatography (CCC) sequentially followed by isocratic preparative reversed-phase high-performance liquid chromatography was used to isolate the seven bio-actives (azadirachtin A, azadirachtin B, azadirachtin H, desacetylnimbin ...
Brown, Leslie   +6 more
core   +1 more source

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

open access: yesAdvanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

Potentiostatic and galvanostatic modulation of liquid chromatography

open access: yes, 1998
Simplified versions of the chromatographic column in electrochemically modulated liquid chromatography were possible. A two electrodes design had a good response to changes in potential, yet excluding the need for an external reference electrode ...
Porter, Marc D, Abdel-Latif, Monzir S.
core   +1 more source

Clustomesogen Showing Sub‐Zero Liquid Crystal Properties: Supramolecular Assembly Between Cs2[Mo6Ii8(OCOC2F5)6] and Hexaethylenoxide Containing Mesogenic Dimers

open access: yesAdvanced Materials, EarlyView.
Associating a red‐NIR phosphorescent octahedral hexanuclear molybdenum cluster compound with hexaethyleneoxide chains bearing mesogenic units on both ends leads to an emissive hybrid liquid crystal showing mesomorphism on a very unusual temperature range down to −25°C.
Killiann Heinz   +11 more
wiley   +1 more source

Gas‐liquid chromatography of hexosamines

open access: yesFEBS Letters, 1971
The analysis of hexosamines is usually performed by calorimetric methods [ 1,2] that do not differentiate between individual amino sugars. It is therefore necessary to separate the hexosamines prior to analysis [3-S] ; this is laborious and requires large quantities of materials. The analysis of carbohydrates, as their trimethylsilyl (TMS) derivatives,
openaire   +2 more sources

“Smelltronics”—From Gas to Smell Sensing

open access: yesAdvanced Materials, EarlyView.
The emerging field of smelltronics, encompassing sensing technologies for complex volatile organic compounds, holds significant potential for extracting valuable chemical information. It facilitates the noninvasive, real‐time monitoring of humans, food, and the environment.
Takeshi Ono   +7 more
wiley   +1 more source

THE SELECTIVITY BETWEEN GLYCINE AND TAURINE CONJUGATED BILE-ACIDS IN REVERSED-PHASE HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY

open access: yes, 1992
The dependence of parameter S on log k'w in the retention equation log k' = log k'w - S phi for glycine and taurine conjugated bile acids has been found for the first time to be two parallel lines in reversed - phase high - performance liquid ...
CHEN, N, LU, P, ZHANG, Y
core  

Ionic Gating of Liquid‐Crystal‐Like Pteridine Assemblies Enables Tunable Light Scattering

open access: yesAdvanced Materials, EarlyView.
Tunable optical properties emerge through developmentally regulated ionic gating, which transforms disordered, ultraviolet (UV)‐absorbing organelles into concentrically ordered, liquid‐crystal‐like light scatterers. By integrating analyses of pteridine composition, potassium‐dependent assembly, hierarchical ultrastructure, and optical behavior, the ...
Sourabh Bera   +22 more
wiley   +1 more source

A Cu2S/NiOOH Heterojunction Enables Highly Selective Ammonia‐to‐Nitrite Electrooxidation at Industrially Relevant Current Densities

open access: yesAdvanced Materials, EarlyView.
Cu2S/NiOOH heterojunction enables efficient ammonia electrooxidation coupled with hydrogen evolution. Interfacial electronic modulation of Ni sites promotes selective NH3‐to‐NO2− electrooxidation at high current density. In a membrane electrode assembly, Cu2S/NiOOH maintains over 90% Faradaic efficiency of nitrite at 800 mA cm−2, highlighting its ...
Ke Wang   +13 more
wiley   +1 more source

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