Elena P. Ivanova
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View article: Bio-based multifunctional films via PDMS and natural oil surface engineering
Bio-based multifunctional films via PDMS and natural oil surface engineering Open
View article: ATTITUDES OF PARENTS TOWARD RECOMMENDED VACCINES IN BULGARIA
ATTITUDES OF PARENTS TOWARD RECOMMENDED VACCINES IN BULGARIA Open
INTRODUCTION: The introduction of immunization programs globally is one of the most powerful tools in combating infectious diseases. Parental awareness regarding vaccines is crucial for achieving good vaccination coverage and reducing the …
View article: EVALUATION OF THE EFFECTIVENESS OF ROTAVIRUS VACCINE FOLLOWING THE IMPLEMENTATION OF THE NATIONAL ROTAVIRUS VACCINATION PROGRAM IN BULGARIA
EVALUATION OF THE EFFECTIVENESS OF ROTAVIRUS VACCINE FOLLOWING THE IMPLEMENTATION OF THE NATIONAL ROTAVIRUS VACCINATION PROGRAM IN BULGARIA Open
INTRODUCTION: Rotaviruses are a leading cause of infectious diarrhea in infants and children up to 5 years of age. Their widespread distribution, high morbidity, and mortality define them as a disease of significant public health and socia…
View article: Effects of extreme acceleration, microgravity, and deceleration on Bacillus subtilis onboard a suborbital space flight
Effects of extreme acceleration, microgravity, and deceleration on Bacillus subtilis onboard a suborbital space flight Open
View article: Response of pheochromocytoma neuronal cells to varying intensity of continuous wave terahertz radiation
Response of pheochromocytoma neuronal cells to varying intensity of continuous wave terahertz radiation Open
The effects of varying intensities of Australian Synchrotron source terahertz (THz) radiation on pheochromocytoma (PC 12) neuronal cells were investigated. PC 12 cells were exposed to THz radiation at beam incident power intensities of 0.2…
View article: Leveraging lignin as mussel-bioinspired adhesives and fillers for sustainable food-packaging applications: A review
Leveraging lignin as mussel-bioinspired adhesives and fillers for sustainable food-packaging applications: A review Open
Lignin is a complex polymer with a unique phenolic structure rich in methoxy and hydroxyl groups. When leveraged, lignin as a bioadhesive in renewable materials can impart exceptional UV-blocking, antioxidant, and antimicrobial properties …
View article: The discovery of mechano-bactericidal surfaces
The discovery of mechano-bactericidal surfaces Open
There is a long evolutionary history of bacteria adapting to surface colonisation and biofilm formation and a similar timeline of evolutionary advances for insects to develop resistance towards bacterial colonisation and biofilm formation.…
View article: Multifunctional micro/nano-textured titanium with bactericidal, osteogenic, angiogenic and anti-inflammatory properties: Insights from in vitro and in vivo studies
Multifunctional micro/nano-textured titanium with bactericidal, osteogenic, angiogenic and anti-inflammatory properties: Insights from in vitro and in vivo studies Open
View article: Exploring Broad-Spectrum Antimicrobial Nanotopographies: Implications for Bactericidal, Antifungal, and Virucidal Surface Design
Exploring Broad-Spectrum Antimicrobial Nanotopographies: Implications for Bactericidal, Antifungal, and Virucidal Surface Design Open
Inspired by the natural defence strategies of insect wings and plant leaves, nanostructured surfaces have emerged as a promising tool in various fields, including engineering, biomedical sciences, and materials science to combat bacterial …
View article: Exploring the Impact of Non‐Ablative Erbium Laser Therapy on Recurrent Vaginal Candidiasis
Exploring the Impact of Non‐Ablative Erbium Laser Therapy on Recurrent Vaginal Candidiasis Open
Objectives To assess the effect of non‐ablative Er:YAG laser therapy on the symptoms and microbiological conditions of women with recurrent vulvovaginal candidiasis (RVVC). Materials and Methods One hundred and sixty‐seven women (mean age …
View article: Shedding light on biochemical changes in single neuron-like pheochromocytoma cells following exposure to synchrotron sourced terahertz radiation using synchrotron source Fourier transform infrared microspectroscopy
Shedding light on biochemical changes in single neuron-like pheochromocytoma cells following exposure to synchrotron sourced terahertz radiation using synchrotron source Fourier transform infrared microspectroscopy Open
Synchrotron sourced Fourier transform infrared (SS FTIR) microspectroscopy was employed to investigate the biological effects on the neuron-like pheochromocytoma (PC 12) cells after exposure to synchrotron sourced terahertz (SS THz) radiat…
View article: Adaptations of <i>Escherichia coli</i> K 12 to Synchrotron Sourced THz Radiation
Adaptations of <i>Escherichia coli</i> K 12 to Synchrotron Sourced THz Radiation Open
The biological effects of electromagnetic field (EMF) irradiation in the terahertz (THz) range remain ambiguous, despite numerous studies that have been conducted. In this paper, the metabolic response of Escherichia coli K 12 to EM…
View article: Osteon-mimetic laser-structured Ti-6Al-4V supports for guided stem cell growth
Osteon-mimetic laser-structured Ti-6Al-4V supports for guided stem cell growth Open
View article: Green synthesis of non-isocyanate hydroxyurethane and its hybridization with carboxymethyl cellulose to produce films
Green synthesis of non-isocyanate hydroxyurethane and its hybridization with carboxymethyl cellulose to produce films Open
Non-isocyanate polyurethanes (NIPUs) have attracted increasing attention as a sustainable alternative to conventional isocyanate-based polyurethanes. This study synthesized non-isocyanate hydroxyurethanes (NIHUs) through an addition reacti…
View article: Understanding the Influence of Serum Proteins Adsorption on the Mechano‐Bactericidal Efficacy and Immunomodulation of Nanostructured Titanium (Adv. Mater. Interfaces 17/2024)
Understanding the Influence of Serum Proteins Adsorption on the Mechano‐Bactericidal Efficacy and Immunomodulation of Nanostructured Titanium (Adv. Mater. Interfaces 17/2024) Open
Bactericidal Nanostructured Titanium Surfaces Antibacterial biomimetic nanostructures coated in human serum proteins (shown in blue), effectively eliminate Staphylococcus aureus bacteria (highlighted in red). The potent bactericidal action…
View article: Understanding the Influence of Serum Proteins Adsorption on the Mechano‐Bactericidal Efficacy and Immunomodulation of Nanostructured Titanium
Understanding the Influence of Serum Proteins Adsorption on the Mechano‐Bactericidal Efficacy and Immunomodulation of Nanostructured Titanium Open
Nanostructured surfaces are effective at physically killing bacterial cells, highlighting their prospective application as biomaterials. The benefits of application of mechano‐bactericidal nanostructures as an alternative to chemical funct…
View article: Impact of multiscale surface topography characteristics on Candida albicans biofilm formation: From cell repellence to fungicidal activity
Impact of multiscale surface topography characteristics on Candida albicans biofilm formation: From cell repellence to fungicidal activity Open
While there has been significant research conducted on bacterial colonization on implant materials, with a focus on developing surface modifications to prevent the formation of bacterial biofilms, the study of Candida albicans biofilms on …
View article: Fluorescent Nanocarbons: From Synthesis and Structure to Cancer Imaging and Therapy
Fluorescent Nanocarbons: From Synthesis and Structure to Cancer Imaging and Therapy Open
Nanocarbons are emerging at the forefront of nanoscience, with diverse carbon nanoforms emerging over the past two decades. Early cancer diagnosis and therapy, driven by advanced chemistry techniques, play a pivotal role in mitigating mort…
View article: Immobilization of multiple proteins in polymer micro-structures fabricated via laser ablation
Immobilization of multiple proteins in polymer micro-structures fabricated via laser ablation Open
Investigation of protein-polymeric surface interaction requires reliable practical techniques for evaluation of the efficiency of protein immobilization. In this study the efficiency of protein immobilization was evaluated using three diff…
View article: AFM analysis of the polymer micro-structures used for novel multi-analyte protein micro-assay
AFM analysis of the polymer micro-structures used for novel multi-analyte protein micro-assay Open
We recently described a technique to fabricate shallow (< 50 nm) microstructures on PMMA surface for use in multianalyte protein micro-assay based on the ablation of a top thin gold layer using pulsed nitrogen laser (337 nm). In the presen…
View article: THE SPECIFICS OF AGROTOURISM IN THE NATURAL AND ANTHROPOGENIC GEOSYSTEMS OF THE PRIMORSKY TERRITORY
THE SPECIFICS OF AGROTOURISM IN THE NATURAL AND ANTHROPOGENIC GEOSYSTEMS OF THE PRIMORSKY TERRITORY Open
СПЕЦИФИКА АГРОТУРИЗМА В ПРИРОДНО-АНТРОПОГЕННЫХ ГЕОСИСТЕМАХ ПРИМОРСКОГО КРАЯ Е.П.Иванова 1 , Ю.А.Мажайский 2 1 ФГБНУ Сахалинский НИИСХ -филиал ВИР; 2 ФГБОУ ВО Рязанский ГАТУ им.П.А.Костычева Аннотация.В статье представлены некоторые результ…
View article: Osteon-Mimetic Laser-Structured Ti-6al-4v Supports for Guided Stem Cell Growth
Osteon-Mimetic Laser-Structured Ti-6al-4v Supports for Guided Stem Cell Growth Open
View article: The effect of polyterpenol thin film surfaces on bacterial viability and adhesion
The effect of polyterpenol thin film surfaces on bacterial viability and adhesion Open
The nanometer scale surface topography of a solid substrate is known to influence the extent of bacterial attachment and their subsequent proliferation to form biofilms. As an extension of our previous work on the development of a novel or…
View article: THE SPECIFICS OF AGROTOURISM IN THE NATURAL AND ANTHROPOGENIC GEOSYSTEMS OF THE PRIMORSKY TERRITORY
THE SPECIFICS OF AGROTOURISM IN THE NATURAL AND ANTHROPOGENIC GEOSYSTEMS OF THE PRIMORSKY TERRITORY Open
СПЕЦИФИКА АГРОТУРИЗМА В ПРИРОДНО-АНТРОПОГЕННЫХ ГЕОСИСТЕМАХ ПРИМОРСКОГО КРАЯ Иванова Е.П.ФГБНУ Сахалинский НИИСХ -филиал ВИР Мажайский Ю.А.Мещерский филиал ФГБНУ «ФНЦ ВНИИГиМ» им.А.Н.Костякова» Аннотация.В статье представлены некоторые резу…
View article: ATP level variations in heterotrophic bacteria during attachment on hydrophilic and hydrophobic surfaces
ATP level variations in heterotrophic bacteria during attachment on hydrophilic and hydrophobic surfaces Open
A survey of the extracellular ATP levels of 86 heterotrophic bacteria showed that gram-negative bacteria of the genera Sulfitobacter, Staleya, and Marinobacter secreted elevated amounts of extracellular ATP, ranging from 6.0 to 9.8 pM ATP/…
View article: Powder metallurgy: a promising route for bone implants fabrication
Powder metallurgy: a promising route for bone implants fabrication Open
One of the major bone tissue engineering challenges is producing biocompatible and biomechanical compatible implants which are similar to bone structures. Titanium and titanium alloys are widely used as implants due to their high corrosion…
View article: Influence of 18 GHz microwave radiation on the enzymatic activity of escherichia coli lactate dehydrogenase and cytochrome c oxidase
Influence of 18 GHz microwave radiation on the enzymatic activity of escherichia coli lactate dehydrogenase and cytochrome c oxidase Open
The catalytic activity of two common bacterial enzymes, lactate dehydrogenase (LDH) and cytochrome c oxidase (COX) from Escherichia coli was examined following bacterial exposure to microwave (MW) radiation under well-defined experimental …
View article: Piercing of the Human Parainfluenza Virus by Nanostructured Surfaces
Piercing of the Human Parainfluenza Virus by Nanostructured Surfaces Open
This paper presents a comprehensive experimental and theoretical investigation into the antiviral properties of nanostructured surfaces and explains the underlying virucidal mechanism. We used reactive ion etching to fabricate silicon (Si)…
View article: Boundary-value problems for differential-difference equations with nite and in nite orbits of boundaries
Boundary-value problems for differential-difference equations with nite and in nite orbits of boundaries Open
We consider boundary-value problems for differential-difference equations containing incommensurable shifts of arguments in the higher-order terms. We show that for the case when the orbits of the domain boundary generated by the set of sh…
View article: Turning food waste into value-added carbon dots for sustainable food packaging application: A review
Turning food waste into value-added carbon dots for sustainable food packaging application: A review Open
Carbon dots (CDs) are a recent addition to the nanocarbon family, encompassing both crystalline and amorphous phases. They have sparked significant research interest due to their unique electrical and optical properties, remarkable biocomp…