Results 101 to 110 of about 71,285 (330)

Linear competitive inhibition of human tissue kallikrein by 4-aminobenzamidine and benzamidine and linear mixed inhibition by 4-nitroaniline and aniline

open access: yesBrazilian Journal of Medical and Biological Research, 2001
Hydrolysis of D-valyl-L-leucyl-L-arginine p-nitroanilide (7.5-90.0 µM) by human tissue kallikrein (hK1) (4.58-5.27 nM) at pH 9.0 and 37ºC was studied in the absence and in the presence of increasing concentrations of 4-aminobenzamidine (96-576 µM ...
M.O. Sousa   +5 more
doaj   +1 more source

A Trypsin‐Like Serine Protease ZmNAL1a Fine‐Tunes Maize Floral Transition and Flowering Time

open access: yesAdvanced Science, EarlyView.
This study identifies a trypsin‐like serine protease, ZmNAL1a, that moves from leaves to the shoot apical meristem. ZmNAL1a promotes the floral transition by degrading TOPLESS‐like corepressor REL2, which thereby enhances the expression of key flowering genes through elevating histone acetylation and relieving REL2–ZmEREBP147‐mediated transcriptional ...
Nan Li   +15 more
wiley   +1 more source

Stimuli‐Responsive Supramolecular Biomaterials for Cancer Theranostics

open access: yesAdvanced Science, EarlyView.
The ultimate goal of cancer theranostics is to get imaging agents and therapeutic cargo to tumor sites when and where they are required. “Smart” systems should be developed. This review discusses the characteristics of physiological stimuli, types and action modes of external stimuli, construction approaches and working principles, as well as ...
Wenting Hu   +4 more
wiley   +1 more source

Synthesis Of New Asymmetrical Pyromellitdiimides Derived From Pyromellitic Dianhydride

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2017
This work involves the synthesis and characterization of asymmetrical pyromellitdiimide derivatives [IV]a-f by four sequence steps selective reaction . One mole of pyromellitic dianhydride was reacted with one mole of various primary aromatic amines [
E. T. Ali
doaj  

Structural optimization and biological evaluation of 2-substituted 5-hydroxyindole-3-carboxylates as potent inhibitors of human 5-lipoxygenase. [PDF]

open access: yes, 2009
Pharmacological suppression of leukotriene biosynthesis by inhibitors of 5-lipoxygenase (5-LO) is a strategy to intervene with inflammatory and allergic disorders.
BÜHRING U   +8 more
core   +1 more source

Nanozyme‐Integrated Hydrogel Targeting AGEs for Diabetic Osteoarthritis Therapy

open access: yesAdvanced Science, EarlyView.
A nanozyme–integrated hydrogel (PTC‐MP) exhibiting with mild photothermal effects is constructed, and a “3R” (restrain‐restore‐reinforce) strategy is proposed for diabetic osteoarthritis (DOA) treatment based on advanced glycation end products (AGEs) targeting.
Rui Chen   +8 more
wiley   +1 more source

Photochemische Addition von Anilinen an 1,3-Diene

open access: yesCHIMIA, 1979
Anilines, e. g. aniline (12), N-methylaniline (16), 2,6-dimethyl-aniline (14), 2-(2'-butenyl)-N-methylaniline (4) or 2-(2'-cyclo-hexenyl)-N-methylaniline (8) when irradiated with a high pressure mercury lamp in methanol, acetonitrile, benzene or ...
Synèse Jolidon, Hans-Jürgen Hansen
doaj   +1 more source

NIR Ratiometric Fluorescent Antibody‐Drug Conjugate for Metastatic Ovarian Cancer Theranostics and Treatment Response Monitoring

open access: yesAdvanced Science, EarlyView.
In vivo optical imaging enhances antibody‐drug conjugate (ADC) optimization by enabling real‐time monitoring of stimulus‐responsive drug behavior. We report n501‐CYMMAF, a ratiometric theranostic with strong target affinity and low‐dose efficacy for ovarian metastasis.
Cheng Li   +8 more
wiley   +1 more source

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