In recent years the substantial influx of heavy metal pollutants into aquatic environments due to human activities has emerged as a critical issue. Heavy metals are characterized by their high toxicity persistence and resistance to degradation which not only result in significant economic losses but also exert severe impacts on ecosystems and human health. Microalgae due to their adsorption capacity for heavy metals have become a new avenue for t Read More

Background Tizanidine hydrochloride (TZ) is a centrally acting skeletal muscle relaxant used in the management of spasticity. Drug stability under different conditions has been described in the literature but photolytic degradation rate and degradation products are not known. Objective This study aimed to determine the TZ photolytic degradation kinetics and explore the structures of five degradation products observed after UV-C light exposure for 7 Read More

Background The cyclodextrin-based metal-organic complex (CD-MONT-2) exhibits Pb (II)-rings-based luminescence and water-stable properties. In this paper it was successfully utilized as a multifunctional material applied as a fluorescent probe for Ag+ and an adsorbent for Congo red. Methods X-ray powder diffraction analysis (PXRD) fluorescence analysis (FL) UV-Vis spectroscopy (UV-Vis) Fourier infrared spectrum (FTIR) X-ray photoelectron spectrosco Read More

Objective The increasing environmental pollution from antibiotics poses a significant threat to public health and this is a critical issue that requires immediate attention. Methods In this study a simple and effective surface modification technique was presented using hyaluronic acid-dopamine conjugate (HA-DA) to impart anti-biofouling properties to basin-concave mesoporous carbon (BCMC). The synthesized materials were characterized by scanning electro Read More

Background Vitamins are needed for the healthy functioning of the body. When these vitamins are not in sufficient amounts in the body they are usually taken externally with pharmaceutical preparations. Taking vitamins into the body in the right amounts is possible by analyzing the amounts in pharmaceutical preparations with validated methods. Methods In this study a fast simple easily applicable and selective normal-phase HPLC method was develope Read More

Background This study aimed to demonstrate the practical and sensitive lead detection using biogenic silver nanoparticles in dark chocolate samples and silver nitrate was reduced using Syzygium cumini aqueous seed extract as a reducing agent to produce nanoparticles. The obtained NPs were characterized via spectrometry and scanning electron microscopy. Methods Silver nitrate was reduced using Syzygium cumini aqueous seed extract as a reducin Read More

BackgroundEssential oils are utilized in various food applications and are a rich source of naturally occurring volatile components. The extraction of essential oils has used conventional techniques for several years but these methods require a long duration of time more solvent and high energy. However recent advancements have led to novel and eco-friendly techniques that significantly enhance the essential oil yield while minimizing the use of resource Read More

BackgroundFlavonoid is a type of active constituent in herbs and always used as the quality control markers of herbal medicines. Owing to the extensive diversity of flavonoids numerous reference compounds are necessitated for the analysis of flavonoids and some are usually very expensive which engenders challenges in the analysis of flavonoids in herbal medicines. Consequently the development of a simple rapid and reference compounds saving me Read More

Background Combination therapy with polyphenol-rich natural spices has gained acceptance as a proactive approach for modulating human health owing to the COVID-19 pandemic. However bioavailability is a significant hurdle in determining the actual potential of any herbal drug. Aim & Objective To improve the absorption of herbal drugs and to enhance their ability to affect the immune system phospholipid complexes were developed for accommodating Read More

Background Coal-fired power plants such as those located in Guizhou are generating substantial amounts of fly ash. This fly ash is rich in lithium a highly valuable metal utilized in numerous industrial applications. Effective extraction of these metals necessitates a thorough understanding of their characteristics within the fly ash. Methods Multiple analytical techniques were used to study fly ash's physicochemical properties. Meanwhile wet magnetic separa Read More