Liliana Cristina Soare

The National University of Science and Technology POLITEHNICA Bucharest, Pitești University Centre · Department of Natural Sciences

Aconitine is a highly poisonous C19-diterpenoid alkaloid identified and isolated from the species of the genus Aconitum. Aconitine is indicated in the treatment of cardiovascular diseases (CVDs) and, due to its neurotoxic effects, is a very effective drug in pain release. A total of 101 relevant scientific papers were manually searched on the Web o...

Ferns are vascular plants with significant ornamental value, and in recent years, they have also been considered for the potential application in different economic sectors like nutrition, medicine and cosmetics. This study aimed to obtain in vitro fern gametophytes and sporophytes and evaluate their potential as secondary metabolites sources. For...

Investigating the toxicity of naturally occurring or synthesized nanoparticles for various applications is absolutely necessary for environmental protection and safety use. The aim of these research was to investigated the phytotoxicity, cytogenotoxicity and antibacterial potential of the extracts with gold-silver bimetallic nanoparticles (Au-Ag NP...

Contamination of aquatic ecosystems, including freshwaters, with varied and new polluting agents is a constant threat and a primary concern worldwide. Due to domestic, industrial or agricultural activities, a multitude of chemical pollutants can be found in freshwater, such as pharmaceuticals and personal care products, nanomaterials, plasticizers,...

Background Biological invasions pose an increasing risk to nature, social security and the economy, being ranked amongst the top five threats to biodiversity. Managing alien and invasive species is a priority for the European Union, as outlined in the EU Biodiversity Strategy for 2030 and the Kunming-Montreal Global Biodiversity Framework. Alien pl...

Coragen 20 SC is an insecticide based on chlorantraniliprole that is applied on many crops. Considered an effective product with an incremental cost-benefit ratio, it has been widely used globally. Residual pesticides affect non-target organisms, so it is necessary to explore the possible effects induced by these xenobiotics on different species. T...

Cultural heritage has a cultural significance, which refers to the aesthetic value of the heritage asset, the historical or social value of monuments for past, present or future generations. In conservation areas where there are open environment conditions, there are ecological producers (autotrophic bacteria, algae, lichens and higher plants). In...

This paper contributes to the ecotoxicological risk assessment of the Actellic 50 EC insecticide (with 50% pirimiphos-methyl as the active substance) tested on non-target organisms. The insecticide concentrations tested were the same for all organisms (0.1, 0.01, and 0.001 mgL−1 of Actellic 50 EC), with an exposure of 3–5–21 days for plants and 4–5...

Starting from the well-known antimicrobial properties of silver nanoparticles, the goal of this study is to evaluate the influence of two “green” recipes, namely an alcoholic extract of Dryopteris filix-mas (L.) Schott and a dispersion of silver nanoparticles phytosynthesized using the extract on grapevine pathogens. The influence of some grapevine...

Pinus mugo Turra is a shrub-like conifer with multiple healing properties. P. mugo extracts are rich in active ingredients such as volatile compounds, tannin, higher alcohols, vitamins, and minerals. In this study, we identified and quantified the secondary metabolites from buds and needles of P. mugo harvested from three different mountain areas i...

Known in traditional medicine as a good source for the treatment of various diseases, [...]

The toxic action of the Actara 25 WG insecticide (it contains 25% thiamethoxam as an active substance) in non-lethal doses was studied in two species of aquatic organisms—the Prussian carp (Carassius gibelio) and the marsh frog (Pelophylax ridibundus)—at two thermal levels, 6–8 °C (low temperature) and 18–20 °C (room temperature), respectively. In...

In this study, we used aqueous extracts of fern spores and solution of AgNO3 and HAuCl4 for the synthesis of bimetallic nanoparticles Au:Ag in different proportions: 1:1 and 1:10. The spores used come from 2 species of ferns: Asplenium scolopendrium and Dryopteris filix-mas. For the characterization of the extracts with or without bimetallic nanopa...

In this study we evaluate the influence of cadmium (Cd) on the spores from Athyrium filix-femina (Linnaeus) Roth (1799), Dryopteris filix-mas (Linnaeus) Schott (1834) and D. affinis (Lowe) Fraser-Jenkins (1979) starting with the gametophyte and sporophyte differentiation and continued with the biochemical changes. For spores cultivation we used soi...

Pesticides, plant bio-stimulants and chemical fertilizers used in intensified viticulture affects negatively the viability of the plants pollen causing relevant economic losses to viticulturists. Given these conditions, we aimed to identify the environmentally friendly phytosanitary treatments which does not negatively affect the evolution of polle...

This scientific research focused on the production of hydroethanolic extract of the plant species Lycopodium selago L. (L. selago) by the ultrasound-assisted extraction (USAE) and the identification of biocompounds with high antioxidant activity is of interest for possible phytotherapeutic treatment against Alzheimer’s disease (AD). The extract was...

Hericium erinaceus (H. erinaceus) is a rare and appreciated fungal species belonging to the division Basidiomycota used for centuries in traditional Chinese medicine for its medicinal value. This species of mushrooms brings the most diverse benefits for the human body, and can have beneficial effects for treating Alzheimer's disease (AD). This stud...

The area of phytosynthesized nanomaterials is rapidly developing, with numerous studies being published yearly. The use of plant extracts is an alternative method to reduce the toxic potential of the nanomaterials and the interest in obtaining phytosynthesized nanoparticles is usually directed towards accessible and common plant species, ferns not...

Gamma irradiation represents a method extensively used for the sterilization of natural products, thus leading to the extension of the products’ shelf life. However, a limited number of studies presented the effects of irradiation on the biological properties of the extracts. The present work aims to evaluate the effects of gamma irradiation on the...

In the present study, a bottom-up approach to phytosynthesis of silver oxide nanoparticles (Ag2O-NPs) using hydroalcoholic extracts of Helleborus odorus Waldst. & Kit. Ex Willd. as a reducing agent is reported. Evaluation of cytogenotoxic effects of the extracts, prior to and after Ag2O-NPs green synthesis, on Allium cepa L. root tip cells was eval...

Plants based synthesis of Ag and Au nanoparticles represent one of the most important focus of researchers due to their applications and catalytic activities. We utilized various techniques to obtain extracts with bimetallic nanoparticles from Asplenium scolopendrium leaves; we tested the following variants: M - microwave extract, M NP - microwave...

Hericium erinaceus is a medicinal fungal species that produces the active biological metabolite erinacine A with strong antioxidant activity. The classical extraction techniques used to date to obtain metabolites from this fungal species require high consumption of resources and energy and, in the end, prove to be expensive and inefficient, especia...

In this study, we aimed to establish the influence of aqueous ferns extracts on the growth in length of the cucumber root. [...]

To test some bio-fungicides, isolation of Monilinia fructigena was carried out. Monilinia fructigena [...]

The goal of the BIOHORTINOV component project 3 (development of plant extracts andinnovative phytosynthesized nanostructured mixtures with phytotherapeutic applications in orderto reduce biocenotic stress in horticultural crops) was the development of nanotechnologicalapproaches for combating the main fungal diseases that affect vine and apple cult...

In the present study, the water quality was determined through cytogenotoxic endpoints by Allium cepa L. assay. Water samples were collected from nine sites selected according to the pollution level and large water discharge points into the Karaçomak River, Turkey. All of the tested water samples had a significant mitodepressive effect on the root...

The aim of this study was to investigate the changes caused by the administration of ketoprofen to albino NMRI mice on some hematological, biochemical, and structural parameters. For this purpose, the mice were divided into two lots: a control batch and an experimental batch to which ketoprofen was administered subcutaneously at a dose of 10 mg/kg...

Metallic nanoparticles represent an important area of research, as their unique properties can be tuned for the desired application. Several “green” methods were proposed for obtaining metallic nanoparticles, including phytosynthesis (using natural extracts) and radiation-assisted synthesis. The present work studies the differences in terms of biol...

The development of apple and grapevines varieties displaying durable resistance against some disease is one of the major aims in breeding programmes worldwide. In order to test some bio fungicides, the isolation of some pathogens for apple (Podosphaera leucotricha, Venturia inaequalis) and grapevine (Plasmopara viticola) was carried out.

The development of apple and grapevines varieties displaying durable resistance against some disease is one of the major aims in breeding programmes worldwide. In order to test some bio fungicides, the isolation of some pathogens for apple (Podosphaera leucotricha, Venturia inaequalis) and grapevine (Plasmopara viticola) was carried out.

The aim of this study was to establish the influence of Dual Gold 960EC herbicide upon skinstructure in marsh frog (Pelophylax ridibundus). [...]

The literature provides us several examples of apatitic. [...]

In order to test some biofungicides, the isolation of Plasmopara viticola was carried out.Plasmopara viticola is a fungus that causes the grapevine downy mildew disease [...]

Within the international symposium PRIOCHEM. [...]

The aim of this study was to establish the influence of ferns extracts (Asplenium scolopendrium and Dryopteris filix-mas) [...]

Green nanoparticles are currently thoroughly researched due to the multiple advantages of phytosynthesis, on the one hand, and the potential beneficial or adverse effects, on the other. In this context, our study investigates the potential for the phytosynthesis of gold and silver nanoparticles of the ethanol and methanol extracts from leaves of Ac...

This study used Attenuated Total Reflection Fourier Transform Infrared (ATR-FTIR) spectroscopy to provided detail information of the organic functional group of secondary metabolites, produced by ferns. The study showed ATR-FTIR spectra of nine fern species: Asplenium scolopendrium, Asplenium trichomanes, Asplenium trichomanes-ramosum, Athyrium fil...

Extracts obtained from different plant species proved to be a valuable tool in various biomedical applications. In the same time, the phytosynthesis of noble metal nanoparticles represents an already well-established route for obtaining nanoparticles with biological activity. The present paper studies the antioxidant activity and the cytogenetic ef...

The therapeutic use of pteridophytes has had a spectacular evolution, starting from their use in the traditional medicine of different peoples to the current stage in which pteridophytes are used in the form of nanoparticles. Phytosynthesis of Ag nanoparticles (AgNPs) in ethanol extracts from spores of Athyrium filix-femina was demonstrated through...

The paper aims to determine the lead-induced physiological, biochemical and enzymatic changes in Asplenium scolopendrium, which could represent biomarkers used in environmental assessment. Of all the physiological processes, photosynthesis and respiration were analyzed and the enzymatic and biochemical determinations focused on catalase activity, a...

The objective of the study is to screen for morphological, biochemical and histological changes induced by six widely used pesticides (Reldan 40EC, Actara 25WG, Tilt 250EC, Champion 50WG, Fusilade Forte, Dual Gold 960EC) in the amphibian species Pelophylax ridibundus (Pallas, 1771). Highly degenerative changes were observed in animals cultured at 2...

The aim of this study was to determine the physiological response and the defensive potential in species Asplenium scolopendrium L. and Dryopteris filix-mas (L.) Schott under the action of nickel. The following experimental variants were tested: 0, 250, 500, 1000, 1500 mg Ni kg-1 soil. One month, and three months respectively, after the initiation...

The aim of the study was to investigate the protective role of thiourea on the physiological, hematological, biochemical and histopathological parameters of Leuciscus cephalus exposed to sublethal concentration of Pendigan 330 EC herbicide. The animals were divided in four experimental groups (control, animals subjected to 1 ‰ thiourea, animals sub...

In this study, we tested the ability of ethanolic extracts of mature leaves and rhizomes of Asplenium scolopendrium L. to synthesize Ag nanoparticles in vitro, and the genotoxic effects of the extracts on the root apexes of Allium cepa were assessed. The roots with a length of 0.5–1 cm were exposed to the action of extracts before and after the syn...

The present work studies potential viable applications of the hydroalcoholic extract of a Romanian native Heracleum species, such as antifungal, antioxidant and germination inhibitory effect. The plants were collected in June 2014 and a voucher specimen was deposited at BUAG Herbarium, Bucharest, Romania. The hydroalcoholic extract obtained was cha...

Data regarding antioxidant and antifungal properties of yarrow extracts and essential oils can be found on several other studies; however, due to the fact that the composition of the natural products varies from one geographical area to another and with the extraction procedure, the present study contributes to a better characterisation of natural...

The aim of this article is to study the in vitro bioaccumulation capacity of lead in four autochthnous pteridophyte species: Asplenium scolopendrium (As), Asplenium trichomanes-ramosum (At), Cystopteris fragilis (Cf), Polypodium vulgare (Pv), with a view to use them inphytoremediationprocesses. The polyphenol and flavonoid amounts determined in the...

The cytogenetic effects exerted by the systemic fungicide mefenoxam and copper hydroxide (the active ingredients of Ridomil Gold Plus 42,5 WP fungicide) were studied in root tips of Allium cepa L. A progressive concentration-and time-related inhibition of the mitotic activity of meristematic cells was observed. The mitotic index was minimum (3.38%)...

The aim of this study was to assess the effects of a fungicide with 20% metallic copper content on spore germination and gametophyte development in two non-target pteridophyte species: Asplenium scolopendrium and Athyrium filix-femina. The experimental variants were: V1 - 0.1% fungicide in Knop solution, V2 - 0.5% fungicide in Knop solution, V3 - 0...

A series of comparative results are presented in relation to the main bio-active components of some selective natural extracts obtained from grape peel. Extracts of three black grape varieties, Cabernet Sovignon, Merlot, and Pinot Noir have been obtained and characterized for their anthocyanin and carbohydrate contents. Separation and purification...

The aim of this study was to assess the effects of a fungicide (copper hydroxide with 50% metallic copper) (Co) and of an insecticide (bifenthrin 100 g/l) (B) on spore germination and gametophyte development in the fern species Athyrium filix-femina (L.) Schott. and Polypodium vulgare L. The experimental variants were: V1Co: 0.1 gr fungicide/100 ml...

In the present paper it was investigated the protective effect of malvidin on the hematological, biochemical and histopathological parameters of marsh frog (Pelophylax ridibundus) exposed to sublethal concentration of Roundup® herbicide. The animals were divided in 3 experimental groups: lot of control individuals, second lot containing animals whi...

The antibacterial effects produced by anthocyanins and other bioactive plant compounds are weaker than those generated by antibiotics. In some cases, the combination of extract-antibiotic can cause synergistic effects, also the purpose of the research was to develop and test new antibiotic - plant extract formulations. New potential antimicrobial f...

The aim of this paper was to test the antioxidant activity, polyphenols content and antimicrobial activity of crude extracts obtained from leaves of pteridophyte species commonly found in Romania. The ORAC (Oxygen Radical Absorbance Capacity) of the investigated ferns varied between 421.90 μmol TE (Trolox equivalents/g FW (fresh weight) in Dryopter...

The aim of this paper was to test the antioxidant and antimicrobial properties of extracts obtained from Fragaria x ananasa (strawberry, fruits), Paeonia officinalis (peony, petals), Hyacintus orientalis (hyacinth, tepals) and Scilla bifolia (hyacinth, tepals) to find new resources useful in therapy, cosmetics, food technology, etc. The antioxidant...

The antioxidant, antimicrobial, antiviral, antiinflammatory, antitussive, antitumor, anti-HIV and antihelmintic properties of various fern extracts were demonstrated. The aim of this paper was the evaluation of antibacterial activity of extracts obtained from three native fern species: Asplenium scolopendrium, Cystopteris fragilis, Polypodium vulga...

In order to initiate the inventory of the edaphic algae in the city of Piteşti, soil samples were taken from Expo Park Lumina Park, the Ştrand Park, the bank of the river Argeş, Trivale forest, Trivale Park, the BCR Park, Bascov Park, Park in Prundu, Bucharest-Piteşti highway. A total of 27 genus/species were identified, out of which 22% belonging...

Dryopteris affinis is an apogamous species of European sub-Atlantic and sub-paleo-Mediterranean distribution, ranging from South West Norway to North Africa, and from Macaronesia to Caspian Iran. It vegetates in the protected area of the Vâlsan Valley, and it is similar to the common fern, Dryopteris filix-mas, both species having an ornamental pot...

The in vitro differentiation of the gametophyte and sporophyte of Pteridophyta, conducted through the culture, on nutritive media, of the green, incompletely differentiated sporangia and spores, exhibits a variety of peculiarities. Whereas in the case of the spore culture, a single prothallus is usually obtained out of the spore, in the case of the...

Phegopteris connectilis is an apogamous species, endangered in certain regions. The ex situ conservation, through the in vitro production of the gametophyte, as well as the embryos and the plants, followed by their cryo-stocking, is necessary for ensuring the survival of the endangered species, while at pace with international methodology. The diff...