Results 101 to 110 of about 974,689 (293)

Preparative separation and purification of sesquiterpenoids from tussilago farfara l. by high-speed counter-current chromatography

open access: yesQuímica Nova, 2011
Preparative high-speed counter-current chromatography (HSCCC) was successfully applied for separation and purification of sesquiterpenoids from an extract of Tussilago farfara L.
Daijie Wang   +4 more
doaj   +1 more source

Invisible but not inaccessible—Revealing transient oligomers formed by intrinsically disordered proteins with solution NMR and complementary methods

open access: yesFEBS Letters, EarlyView.
Transient oligomers formed by intrinsically disordered proteins may be ‘invisible’ to direct detection yet remain accessible to solution NMR through equilibrium‐exchange measurements and pressure‐jump experiments. Complementary methods report on mass, stoichiometry, selected distance distributions, morphology, and internal packing.
Martin D. Gelenter, Ad Bax
wiley   +1 more source

Prostaglandins and related factors: XIX. Thin-layer chromatography of prostaglandins

open access: yesJournal of Lipid Research, 1964
Methods are described for separation of all known prostaglandins and some derivatives as free acids and methyl esters by thin-layer chromatography both on analytical and preparative scales. The use of silica gel containing silver nitrate was required for
Krister Gréen, Bengt Samuelsson
doaj   +1 more source

Inhibition of dipeptidyl peptidase 7 impairs lysophagy in LLOMe‐treated HepG2 cells

open access: yesFEBS Letters, EarlyView.
DPP7 inhibition delays ubiquitin‐dependent lysophagy by attenuating ubiquitin accumulation and the recruitment of SQSTM1 and LC3 to damaged lysosomes, resulting in delayed clearance of damaged lysosomes and impaired restoration of lysosomal homeostasis. Created using FigureLabs (Certificate ID: FL‐PUB‐20260922‐Z99XNX).
Na Yeon Park   +8 more
wiley   +1 more source

Effects 0f Microfluidics on Preparative Chemistry Processes

open access: yes
This chapter deals with the effects of microfluidics on preparative chemistry processes. The main characteristic features of microstructured reactors (MSR) are their high surface area-to-volume ratio in the range from 10000 to 50000 m2/m3.
Renken, Albert   +2 more
core   +1 more source

Optimization of the adsorption process for the analytical and preparative separation of nadolol stereoisomers

open access: yes, 2014
The screening of different solvents and solvents mixtures for the analytical and preparative separation of nadolol stereoisomers using two chiral stationary phases is presented.
Pais, Luís S.   +2 more
core   +1 more source

DNA ligase LigE increases bacterial transformation with damaged extracellular DNA

open access: yesFEBS Letters, EarlyView.
The DNA ligase LigE from the naturally competent Gram‐negative bacterium Neisseria gonorrhoaea increases transformation with cut extracellular DNA. This process is ATP‐dependent and relies on the catalytic activity of LigE; it also requires that LigE contains an intact periplasmic localisation sequence, indicating that ligE functions in the periplasm ...
Jolyn Pan   +4 more
wiley   +1 more source

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