Self-immolative aryl phthalate esters were conjugated with cleavable masking groups sensitive to light and hydrogen peroxide. The phthalate linker releases the fluorescent dye 7-hydroxycoumarin upon exposure to light or H2O2, respectively, leading to an increase in fluorescence. The light-sensitive aryl phthalate ester is demonstrated as a pro-fluorophore in cultured S2 cells.
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http://dx.doi.org/10.1021/jo501900h | DOI Listing |
Eur J Mass Spectrom (Chichester)
January 2025
QuantumSIMM, Kangra, HP, India.
Phthalate esters, frequently used as plasticizers in consumer products, raise concerns because of potential health effects. Using density functional theory (DFT) with BLYP and 6-311++G(d, p) basis sets, their properties, such as dipole moment, polarizability, proton affinity and ionization energy of phthalate esters are obtained. Reaction kinetics and thermodynamics of popular reagent ions like HO, NH, NO and O are computed to know the feasibility of the reactions with such ions.
View Article and Find Full Text PDFProtein Pept Lett
January 2025
Department of Biochemistry, Faculty of Science, Lagos State University, Ojo, Lagos, Nigeria.
Introduction: Vigna unguiculata (Cowpea), a legume rich in phytochemicals, has been traditionally used to improve fertility and treat various ailments. This study used in-silico and in-- vivo methods to evaluate the effects of cowpea protein isolate and essential oil on reproductive hormonal and antioxidant indices.
Method: Forty (40) female rats were divided into eight groups (n=5).
Molecules
December 2024
College of Resources and Environment, Shanxi Agricultural University, Taigu 030801, China.
A convenient, rapid, and environmentally friendly method, emulsive liquid-liquid microextraction combined with high-performance liquid chromatography, was established to determine phthalic acid esters in tap, river, lake, and sea water. After the method's optimization, we obtained the appropriate volume of the extractant and pure water, the number of strokes, the separation methods, the mass volume fraction of the demulsifier, the demulsifier volume, the sample volume, the salt amount, and the pH conditions. This method requires only 200 μL of heptanoic acid (fatty acid) as the extractant and 75 mg of sodium acetate as demulsifiers for fast microextraction and separation, respectively, avoiding the use of further equipment.
View Article and Find Full Text PDFLife (Basel)
December 2024
Department of Basic Medical Sciences, College of Medicine, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia.
Catheter-associated urinary tract infections (CAUTIs) cause serious complications among hospitalized patients due to biofilm-forming microorganisms which make treatment ineffective by forming antibiotic-resistant strains. As most CAUTI-causing bacterial pathogens have already developed multidrug resistance, there is an urgent need for alternative antibacterial agents to prevent biofilms on catheter surfaces. As a trial to find out such a potential agent of natural origin, the bark of Rottl.
View Article and Find Full Text PDFEcotoxicol Environ Saf
January 2025
Orthopaedics Department of Traditional Chinese Medicine, General Hospital of Ningxia Medical University, Yinchuan, Ningxia Hui 750004, China; Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan, Ningxia Hui 750004, China. Electronic address:
Population exposure to plastics is increasing, and plasticizers are frequently detected in humans as important ingredients of plastic products. However, patterns of exposure to harmful ingredients of plastics and their effects on neurofilament light chain (NFL), a marker of active brain pathology, are currently inconclusive. Herein, we employed a range of statistical methods to thoroughly investigate the impact of 24 plastic hazardous ingredients and their varying exposure patterns on NFL concentrations in the blood of the general population in 533 participants.
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