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Wydział Chemiczny
Dane badawcze
Filtry
wszystkich: 316
Katalog Danych Badawczych
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst MRC-5 normal cells
Dane BadawczeTis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst MRC-5 normal cells. FA (folic acid) with cyclodextrin (CD) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst H460 cancer cells
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst H460 cancer cells. FA (folic acid) with cyclodextrin (CD) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst LNCaP cancer cells
Dane BadawczeTis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst LNCaP cancer cells. FA (folic acid) with cyclodextrin (CD) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst Du-145 cancer cells
Dane BadawczeTis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-CD-FA, QDred-CD-FA, QDgreen-CD-FA-C-2028 and QDred-CD-FA-C-2028 aginst LNCaP cancer cells. FA (folic acid) with cyclodextrin (CD) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Bio-based polyester polyols for polyurethane foams - chemical structure of reference sample
Dane BadawczePresented dataset includes the results of FTIR and H NMR spectroscopy of bio-based polyester polyol - poly(propylene succinate) (reference sample for materials obtained during MINIATURA 4 project realization).
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Silicon microcantilever with impedance sensor
Dane BadawczeThe issue of microelectromechanical systems (MEMS) [1] has been enjoying popularity and interest since the 90s of the 20th century. Microcells are one of the simplest devices of this type, but they can be widely used in sensors. There are reports on the possibility of using this type of sensors in the context of such important issues as diagnostics...
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Destruction of AFM probes during normal operation
Dane BadawczeThe quality of the images obtained with the use of an atomic force microscope is determined by the state of the blade interacting with the tested material. Image artifacts can be generated by various reasons, such as oxidation, contamination or an error in blade fabrication, but also appear as a result of the repeated scanning process and inevitable...
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Force-deformation spectroscopy in contact mode
Dane BadawczeThe deformation-distance spectroscopic curve is obtained by registering the value of the probe cantilever deflection as a function of the elongation of the piezoelectric scanner. It assumes a simple relationship in the form of Hooke’s law, linking the deformation of the lever with the amount of its deflection caused by the proximity of the probe and...
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Imaging of biological samples: the ant Lasius Niger
Dane BadawczeThe world of arthropods continues to amaze researchers today. An example may be a relatively new report by a group of scientists on structures found in ant shells [1] Although calcareous anatomical structures have evolved in various groups of animals, little has been known so far about the occurrence of this type of form in insects. The authors of the...
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Fingerprint structure studies with semi-contact AFM
Dane BadawczeThe work [1] presents many, sometimes even surprising examples of the use of atomic force microscopy in modern forensics. Some of them are projectile tests using the characteristic scratch patterns created by the firing pin on the primer. There are more and more suggestions in the literature for the use of atomic force microscopy in dactyloscopy [2]....
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Imaging of biological samples: crassula arborescens
Dane BadawczeOne of the tasks of modern botany is to describe the relationship between climatic conditions and other environmental factors and the anatomical structure and adaptation of species present in given geographic areas. The work [1] focuses on anatomical and morphological studies of leaves of plants from the coarse family. Species tested belong to leaf...
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Visualization of the surface of the Nafion membrane
Dane BadawczeFuel cells use the chemical energy of hydrogen or other fuels to produce electricity. If the fuel is hydrogen, the only products are electricity, water and heat. Fuel cells are unique in the variety of their potential applications, they can use a wide variety of fuels. They are also highly scalable devices that can power both cars and mobile phones....
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The surface of the sensor used in the analysis of odorous substances
Dane BadawczeHuman industrial activity usually leads to smaller or larger interference with the ecosystem, contributing to changes affecting the quality of life. An example may be the emission of gaseous substances, not necessarily toxic, but due to their intense smell, they can cause discomfort to people exposed to their inhalation. The problem is so important...
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Statistics of AFM current-voltage curves
Dane BadawczeMapping surface electrical conductivity offers enormous cognitive possibilities regarding the structure and properties of modern materials. The technique invented for this purpose (Conductive AFM) by Murrel's team and colleagues allows independent monitoring of the local conductivity of materials in correlation with the topographic profile. The mentioned...
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Amplitude-distance spectroscopy in semi-contact mode
Dane BadawczeSince it was invented by Binnig et al. in 1986, atomic force microscopy (AFM) plays a key role in science and technology at the nanoscale. AFM is a microscopic technique that visualizes the surface topography using the attractive and repulsive forces of interaction between several atoms (in theory) of a blade attached to the end of the probe lever and...
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The influence of external interference on AFM imaging, the use of a protective helmet
Dane BadawczeThis collection is of purely practical importance, showing how the presence of external disturbances can adversely affect the quality of imaging with an atomic force microscope. For this reason, it is also advisable to provide a link to a workshop-like study [1] as well as a huge number of commercial solutions available after entering the keyword "AFM...
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Microscopic examination of the texture of paper products
Dane BadawczeAtomic force microscopy (AFM) can be used to study the state of the paper fibers with the aim of providing qualitative and semi-quantitative information on degradation and aging. The work [1] reports the results of tests of various paper products subjected to deliberate aging processes under the influence of various factors. Chemical and biological...
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Austenitic stainless steel sensitization
Dane BadawczeHigh-alloy steels, thanks to their composition and content of appropriate alloying additives, are characterized by increased resistance to many corrosive environments. However, this is due to the increased sensitivity of the described construction materials to specific environmental conditions during their use. An example may be the increased susceptibility...
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst Du-145 cancer cells
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst H460 cancer cells. FA (folic acid) was used as a linker between quantum dots (QDs) and compound (C-2028) at different concentration (50-200 µM).
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Cytotoxicity of C-2028, QDgreen, QDred, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst LNCaP cancer cells
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen, QDred, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst LNCaP cancer cells. FA (folic acid) was used as a linker between quantum dots (QDs) and compound (C-2028) at different concentration (50-200 µM).
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Nitrogen sorption isotherm for V2CTx
Dane BadawczeData of points for nitrogen sorption isotherm for sample V2CTx (only sorption branch). The V2CTx was prepared via selective etching of aluminium from MAX matrice V2AlC using 50% HF for 96 h at room temperature.
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XRD patterns of nickel-modified V2CTx
Dane BadawczeThe set includes data for XRD pattern preparation of nickel-modified V2CTx samples.
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The viscometric evaluation of the gelation rate the chitosan-metal oxide hydrogel systems.
Dane BadawczeThe dataset shows the change in the viscosity of a hydrogel medium over time. Viscometric measurement was used as a universal method for determining the cross-linking rate of chitosan hydrogel using metal oxides or other solutions with a negative net charge. The method was prepared as a method of predicting the kinetics of additive manufacturing using...
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The effect of zinc oxide concentration on dry matter content of chitosan gels in carbonic acid.
Dane BadawczeThe dataset contains results determining the effect of zinc oxide addition at different concentrations on the dry matter content of chitosan gels in carbonic acid after a specified time. Zinc oxide at concentrations of 0.5 and 1% was added as a powder to a 1% solution of chitosan in carbonic acid and then homogenized. Differences were observed in the...
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Glutathione conjugation of the antitumor-active 1-nitroacridine derivatives compounds C-857 and C-1748 – the major role of glutathione S-transferase M1-1
Dane BadawczeObjectives: C-857 and C-1748 are antitumor-active agents, monomers of unsymmetrical bisacridine derivatives. The aim of this study was to analyze their glutathione (GSH) conjugation in vitro in the presence of glutathione S-transferase (GST) M1-1.
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Cytotoxicity of C-2028, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst H460 cancer cells
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of C-2028, QDgreen-FA, QDred-FA, QDgreen-FA-C-2028 and QDred-FA-C-2028 aginst H460 cancer cells. FA (folic acid) was used as a linker between quantum dots (QDs) and compound (C-2028) at different concentration (50-200 µM).
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Cytotoxicity of QDgreen-holo-Tf, QDred-holo-Tf, QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells_method of synthesis 1
Dane BadawczeThis study presents absorbance values of formazan product (converted from MTT) which corresponds the cytotoxicity of QDgreen-holo-Tf, QDred-holo-Tf, QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells (method of synthesis 1). Holo-Tf (transferrin) was used as a linker between quantum dots (QDs) and compound (C-2028).
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The corrosion studies of 3,4,5-trihydroxybenzoic acid as an effective corrosion inhibitor of low alloy steel
Dane BadawczeThe dataset contains the electrochemical studies evaluating if gallic acid is a corrosion inhibitor for low alloy steel. Three measurements were carried out each case; corrosion potential (label ecorr), electrochemical impedance spectroscopy (label eis) and cyclic polarization (label cp). The measurements were carried out in sodium chloride, acidified...
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Cytotoxicity of QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells_method of synthesis 3
Dane BadawczeThis study presents absorbance of formazan product (converted from MTT) which corresponds the cytotoxicity of QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells (method of synthesis 3). Holo-Tf (transferrin) was used as a linker between quantum dots (QDs) and compound (C-2028).
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Cytotoxicity of QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells_method of synthesis 2
Dane BadawczeThis study presents absorbance of formazan product (converted from MTT) which corresponds the cytotoxicity of QDgreen-holo-Tf-C-2028 and QDred-holo-Tf-C-2028 aginst H460 cancer cells (method of synthesis 2). Holo-Tf (transferrin) was used as a linker between quantum dots (QDs) and compound (C-2028).
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XRD data of V2AlC, Mo3AlC2, Mo3CTx and V2AlCTx
Dane BadawczeRaw data for XRD diffractograms of MAX phases: V2AlC and Mo3AlC2 and corresponding MXenes after selective etching of Al.
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Involvement of human glutathione S-transferase M1-1 in the glutathione conjugation of the antitumor unsymmetrical bisacridine derivative C-2028.
Dane BadawczeUnsymmetrical bisacridines (UAs) are a novel potent class of antitumor-active therapeutics. The aim of this study was to investigate the possible role of human glutathione S-transferase M1-1 (hGSTM1-1) in the glutathione (GSH) conjugation of a representative UA, C‑2028.
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Determination the method of free alcohol fermented beverage production based on roasted raw materials.
Dane BadawczeData set presents the results of monosaccharides and ethyl alcohol determination in samples of fermented cereal drink with increased health value based on barley malt and roasting of rye, chicory and beetroot, and with the addition of hops. The HPLC method with RID detector was used for determinations
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Imaging of ferroelectric properties of sinter by means of Piezoresponse Force Microscopy
Dane BadawczeFerroelectricity is a property of certain materials [1], characterized by a spontaneous electrical polarization that can be reversed by applying an external electric field. Ferroelectric properties can be used to make capacitors with adjustable capacity. The permeability of ferroelectrics is not only regulated, but usually also very high, especially...
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Colvolutional calibration of AFM probe
Dane BadawczeAtomic force microscopy is based on the interaction of the examined surface with a probe of a pyramidal shape, tipped with a sharp end with a radius of curvature ranging from single nanometers to hundreds of nanometers. The resolution of the obtained image is of course dependent on the above-mentioned geometric size, and the resulting image is a convolutional...
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Ferromagnetic nanoparticles imaging by means of Magnetic Force Microscopy
Dane BadawczeFerromagnetic nanoparticles can be used as building blocks for advanced thin film magnets, and can also be used in data storage and biomedical technologies. Nano-crystalline ferrites with the chemical formula NixZn (1 - x) Fe2O4, where x = 0, 0.2, 0.4, 0.6, 0.8, 1.0 show anti-corrosion properties and suppress electromagnetic interference, in the case...
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AFM and SSRM investiagtion of carbon nanowalls properties
Dane BadawczeStructures with limited dimensionality are of great interest in modern nanotechnology. The properties of these objects are used, among others, for the construction of modern displays or as a base for quantum computers. Carbon nanowalls, which are the subject of the imaging results contained in this collection, are also considered interesting building...
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Determination of changes in viscosity of high-fructose syrup stability of pectin hydrogels depending on the temperature (25-96 Celsius degrees).
Dane BadawczeThe rheological characteristics of the high-fructose syrup modified stability of pectin (added in a concentration 2% m/m) were made on the basis of the viscosity assessment using a Brookfield viscometer with an LV SC4 - 25 spindle and a shear rate of 0,22 s-1 in the temperature range 25-96 ° C. The data allowed selection of optimal conditions for the...
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Effect of Jerusalem artichoke addition on texture profile of bread
Dane BadawczeThe dataset contains the results of Jerusalem artichoke addition on the texture of wheat bread. The following bread variants were tested: control bread, bread with 15% and 30% Jerusalem artichoke addition. Measurements were made immediately after baking. On the basis of data, the following parameters were determined: hardness, elasticity, cohesion and...
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Imaging of the effects of pitting corrosion with the use of AFM
Dane BadawczePitting corrosion is a local attack on a metal surface, limited to a point or small area, which appears as a hole. Pitting corrosion is one of the most harmful forms of corrosion due to the fact that it is associated with small, difficult to detect damage, that can even lead to perforation of the structure. A single pit may range in size from micrometers...
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Identification of intermetallic phases in the structure of austenitic steel with use of Scanning Kelvin Probe Microscopy
Dane BadawczeDelta ferrite is formed in austenitic steels during the solidification of the alloy and its welds. It can also occur as a stable phase in any temperature range in high-alloy austenitic-ferritic steels. Depending on the amount, it can change into gamma and sigma phases and into ferrite with variable chromium content. The main role of delta ferrite in...
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Nanostructures fabrication with use of electrical AFM litography
Dane BadawczeIn the last 10 years, one of the nanotechnological trends has been observed, consisting in the development of new variants of computer memory systems with high capacity and speed of access, using quantum dots. One of the techniques for creating nanodots and other nanostructures is based on the use of an atomic force microscope acting as a lithographic...
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Detection of the acoustic interferences during AFM operation
Dane BadawczeAtomic force microscopy is a particularly complicated surface imaging technique due to the large number of factors that affect the quality of the resulting images. They are obviously difficult and sometimes even impossible to control at the same time. One of such factors may even be the seismological location of the building or the influence of mechanical...
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Imaging and chemical investigation of silver coating
Dane BadawczeThe recovery of silver from materials such as plates, still used in clinical radiography [1], or scrap jewelery is still very popular. The subject of the research, part of which was microscopic imaging, was to recreate the behavior of an electrochemically deposited silver coating. The copper electrodes were covered with a layer of silver obtained from...
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Imaging of morphological and physicochemical changes occuring in the structure of austenitic steel due to the thermal sensitization
Dane BadawczeIn polycrystalline materials, grain boundaries are always where phenomena such as surface diffusion, sedimentation and corrosion occur. They have a significant impact on the macroscopic properties of the construction material [1]. In addition to inhomogeneities such as manganese sulphide inclusions formed during the metallurgical process, interfacial...
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Exemplary AFM application in cosmetology
Dane BadawczeAtomic force microscopy can be used in the diagnosis of the condition of human tissues such as skin, nails and hair. This is obviously related to the use of a variety of cosmetic products and can be understood as an attempt to assess their long-term impact on human appearance and health. An example may be the studies presented in [1] indicating the...
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AFM investigation of electrode fabricated by 3D printing
Dane Badawcze3D printing, also known as additive manufacturing, has enjoyed great interest in recent years due to the versatility of this method of producing various shapes and details. Due to the possibility of precise control of the shape and composition of the printed elements, the discussed technique can be widely used in electrochemistry, including electrochemical...
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AFM visualization of Mg alloy surface modification
Dane BadawczeMagnesium alloys with additives improving their mechanical properties are valued as materials with low density and elasticity coefficient. Additionally, their biocompatibility and biodegradability make them interesting in prosthetic applications. However, the last of these features, valuable in medicine, contradicts the industrial needs for the described...
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Au nanoparticles identifiction with the use of AFM Volta potential mapping
Dane BadawczeThe specific physical, chemical and electrochemical electrical properties of gold nanoparticles have led to their extensive use as high-performance chemical and biochemical sensors. The described properties relate to surface plasmon resonance, fluorescence quenching or enhancement, high electrical conductivity and light scattering. The described nanoparticles...
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AFM analysis of duplex steel structure and composition
Dane BadawczeDue to the high content of alloying elements, duplex stainless steels are characterized by a complex structure of phase transitions. Among all types of intermetallic compounds, the sigma phase is of major interest due to its detrimental effect on both mechanical properties and corrosion behavior. It is an intermetallic phase enriched in Cr and Mo and...