Search results for: PHOSPHOMOLYBDIC ACID

Computer simulations of hearing aid acoustical system performance

Publication

G. Szwoch
B. Kostek

- Journal of the Acoustical Society of America - Year 2001

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Virtual hearing aid - the computer application for education purposes.

Publication

- Year 2005

Zrealizowano aplikację komputerową demonstrującą zasady działania aparatów słuchowych. Osoba z dobrym słuchem ma możliwość zapoznania się z problemem niedosłuchu i działaniem aparatu. Aplikacja wyposażona jest w intuicyjny interfejs, który przedstawia elementy aparatu słuchowego na schemacie blokowym z opcjami dotyczącymi źródła dźwięku, typu szumu oraz ustawień aparatu. Aplikacja wzbogacona jest o materiały dydaktyczne, opisujące...

Introduction to the special issue on intelligent systems to aid the handicapped.

Publication

A. Czyżewski

- JOURNAL OF INTELLIGENT INFORMATION SYSTEMS - Year 2003

Wśród wielu zastosowań sztucznej inteligencji i technologii bazodanowych pojawiają się zastosowania wspierające osoby niepełnosprawne. Z chwilą pojawienia są każdej nowej technologii komputerowej świat naukowy proponuje zastosowania tej technologii do celu poprawy komunikacji z osobami niepełnosprawnymi bądź technologie wspierające te osoby bezpośrednio. Niniejsze wydanie specjalne czasopisma Journal of Intelligent Information...

Green products from herbal medicine wastes by subcritical water treatment

Publication

F. Seidi
M. K. Yazdi
M. Jouyandeh
S. Habibzadeh
M. T. Munir
H. Vahabi
B. Bagheri
N. Rabiee
P. Zarrintaj
M. Saeb

- JOURNAL OF HAZARDOUS MATERIALS - Year 2022

Herbal medicine wastes (HMWs) are byproducts of medicine factories, which are mainly landfilled for their environmental problems. Only bearing in mind the contamination and concerns caused by the COVID-19 pandemic and environmental emissions, the worth of herbal medicine wastes management and conversion to green products can be understood. In this work, subcritical water treatment was carried out batch-wise in a stainless tube...

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Tailoring diamondised nanocarbon-loaded poly(lactic acid) composites for highly electroactive surfaces: extrusion and characterisation of filaments for improved 3D-printed surfaces

Publication

- MICROCHIMICA ACTA - Year 2023

A new 3D-printable composite has been developed dedicated to electroanalytical applications. Two types of diamondised nanocarbons - detonation nanodiamonds (DNDs) and boron-doped carbon nanowalls (BCNWs) - were added as fillers in poly(lactic acid) (PLA)-based composites to extrude 3D filaments. Carbon black served as a primary filler to reach high composite conductivity at low diamondised nanocarbon concentrations (0.01 to 0.2...

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Performance tuning of chitosan-based membranes by protonated 2-Pyrrolidone-5-carboxylic acid-sulfolane DES for effective water/ethanol separation by pervaporation

Publication

- CHEMICAL ENGINEERING RESEARCH & DESIGN - Year 2023

Today, the applicability of deep eutectic solvents (DES) in various fields, including membrane science and technology, is extensively investigated. In pioneering works, we have implemented different DES as a component of chitosan (CS)-based flat membranes for pervaporation (PV) separation. Herein, we present a new protonated (by sulphuric acid) 2-Pyrrolidone-5-carboxylic acid: sulfolane DES, as a green additive for its chemical...

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The effects of variable nitrogen fertilization on amino acid content in sweet potato tubers (Ipomoea batatas L. [Lam.]) cultivated in central and eastern Europe

Publication

B. Sawicka
P. Pszczółkowski
B. Krochmal‐Marczak
P. Barbaś
F. Özdemir

- Journal of the Science of Food and Agriculture - Year 2020

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Acid-base properties of 3-[2-(n-quinolinyl)benzoxazol-5-yl]alanine derivatives in the ground and excited state. Experimental and theoretical studies

Publication

A. Lewandowska
D. Wróblewski
K. Guzow
M. Milewska
C. Czaplewski
W. Wiczk

- Journal of Photochemistry and Photobiology A: Chemistry - Year 2018

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Influence of amino acid sequence on the interaction of short peptides containing 3-[2-(9-anthryl)benzoxazol-5-yl]-alanine with β-cyclodextrin

Publication

J. Mrozek
K. Guzow
E. Sikorska
W. Wiczk

- Open Chemistry - Year 2011

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LSD1-, EDS1- and PAD4-dependent conditional correlation among salicylic acid, hydrogen peroxide, water use efficiency and seed yield inArabidopsis thaliana

Publication

M. Bernacki
W. Czarnocka
A. Rusaczonek
D. Witoń
S. Kęska
J. Czyż
M. Szechyńska-Hebda
S. Karpiński

- Physiologia Plantarum - Year 2019

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Poly(amic acid)s vs. polyimides with π-conjugated –N N- units: Cis-trans isomerization reaction and kinetics of thermal imidization

Publication

P. Gnida
K. Bujak
H. Janeczek
E. Schab-Balcerzak
J. Konieczkowska

- OPTICAL MATERIALS - Year 2020

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<p>In vivo Studies on Pharmacokinetics, Toxicity and Immunogenicity of Polyelectrolyte Nanocapsules Functionalized with Two Different Polymers: Poly-L-Glutamic Acid or PEG</p>

Publication

A. Karabasz
K. Szczepanowicz
A. Cierniak
R. Mezyk-Kopec
G. Dyduch
M. Szczęch
J. Bereta
M. Bzowska

- International Journal of Nanomedicine - Year 2019

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Novel Highly Thermostable Endolysin from Thermus scotoductus MAT2119 Bacteriophage Ph2119 with Amino Acid Sequence Similarity to Eukaryotic Peptidoglycan Recognition Proteins

Publication

M. Plotka
A. Kaczorowska
A. Stefanska
A. Morzywolek
O. Fridjonsson
S. Dunin-Horkawicz
L. Kozlowski
G. Hreggvidsson
J. Kristjansson
S. Dabrowski... and 2 others

- APPLIED AND ENVIRONMENTAL MICROBIOLOGY - Year 2014

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Theoretical estimation of acid–base properties of Lewis and Brønsted centres at the V-W-O catalyst surface: water molecule as the probe in DFT calculations

Publication

A. Góra
E. Brocławik

- JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL - Year 2004

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Release of potassium from actvated sludge as a resultof use peroxyacetic acid = Uwalnianie potasu z osadu czynnego pod wpływem kwasu nadoctowego

Publication

- Year 2010

The phenomenon of potassium efflux (GGKE - glutathione-gated potassium efflux) from the calls of activated sludge bacteria in the result of peroxyacetic acid (CH3CO3H) dosing was investigated. Addition of the strong oxidant to the activated sludge environment caused activation of the defense mechanisms of bacterial cells, related to glutathione transformations, which resulted in the significant increase of potassium ions concentration....

Combined Effect of Sonication and Acid Whey on Antioxidant and Angiotensin-Converting Enzyme Inhibitory Activities of Peptides Obtained from Dry-Cured Pork Loin

Publication

P. Kęska
J. Stadnik

- Applied Sciences-Basel - Year 2020

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The effect of corn or beet pulp silage supplemented diet on production parameters, oxidative stability of muscles and fatty acid composition of abdominal fat in geese

Publication

M. Karwowska
M. Grabowicz
J. Stadnik
P. Szterk
Z. Bernacki
Z. Dolatowski

- Annals of Animal Science - Year 2017

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α-Lipoic Acid Reduces Ceramide Synthesis and Neuroinflammation in the Hypothalamus of Insulin-Resistant Rats, While in the Cerebral Cortex Diminishes the β-Amyloid Accumulation

Publication

M. Maciejczyk
E. Żebrowska
M. Nesterowicz
E. Supruniuk
B. Choromańska
A. Chabowski
M. Żendzian-Piotrowska
A. Zalewska

- Journal of Inflammation Research - Year 2022

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The role of anthranilic acid in the increase of depressive symptoms and major depressive disorder during treatment for hepatitis C with pegylated interferon-α2a and oral ribavirin

Publication

T. Pawlowski
D. Pawlak
M. Inglot
M. Zalewska
D. Marciniak
J. Bugajska
J. Janocha-Litwin
K. Malyszczak

- JOURNAL OF PSYCHIATRY & NEUROSCIENCE - Year 2021

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Comparative Effects of Native and Defatted Flaxseeds on Intestinal Enzyme Activity and Lipid Metabolism in Rats Fed a High-Fat Diet Containing Cholic Acid

Publication

P. Opyd
A. Jurgoński
J. Juśkiewicz
B. Fotschki
J. Koza
P. M. OPYD

- Nutrients - Year 2018

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Abscisic Acid Regulates the 3-Hydroxy-3-methylglutaryl CoA Reductase Gene Promoter and Ginsenoside Production in Panax quinquefolium Hairy Root Cultures

Publication

E. Kochan
E. Balcerczak
P. Szymczyk
M. Sienkiewicz
H. Zielińska-Bliźniewska
G. Szymańska

- International Journal of Molecular Sciences - Year 2019

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Agro-industrial byproducts for production of the immunosuppressant mycophenolic acid by Penicillium roqueforti under solid-state fermentation: Enhanced production by ultraviolet and gamma irradiation

Publication

E. El-Sayed
A. Ahmed
A. Ismaiel

- Biocatalysis and Agricultural Biotechnology - Year 2019

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Isolation and characterization of Acid Soluble Collagen from the Skin of African Catfish (Clarias gariepinus), Salmon (Salmo salar) and Baltic cod (Gadus morhua)

Publication

- Journal of Biotechnology & Biomaterials - Year 2016

Acid-soluble collagen (ASC) from the fish skin of African catfish (Clarias gariepinus), Salmon (Salmo salar) and Baltic cod (Gadus morhua) was extracted and characterized. The ASC extraction yield was 75%, 73% and 68%, respectively. The denaturation and melting temperatures of African catfish ASC (29.3°C and 100.0°C) were significantly higher than ASC of Salmon and Baltic cod (20.6°C and 90.5°C; 15.2°C and 86.7°C, respectively), assessed...

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Peptide dendrimers as antifungal agents and carriers for potential antifungal agent—N3‐(4‐methoxyfumaroyl)‐(S)‐2,3‐ diaminopropanoic acid—synthesis and antimicrobial activity

Publication

M. Stolarska
K. Gucwa
Z. Urbańczyk-Lipkowska
R. Andruszkiewicz

- JOURNAL OF PEPTIDE SCIENCE - Year 2020

A series of peptide dendrimers and their conjugates with antimicrobial agent FMDP (N3‐(4‐methoxyfumaroyl)‐(S)‐2,3‐diamino‐propanoic acid) were synthesized. The obtained compounds were tested for the antibacterial and antifungal activity. All novel dendrimers displayed much better activity against the tested strains than FMDP itself. Moreover, their conjugates with FMDP also exhibited antimicrobial activity. The most promising molecules...

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Synthesis of eosin modified TiO2 film with co-exposed {001} and {101} facets for photocatalytic degradation of para-aminobenzoic acid and solar H2 production

Publication

J. Khan
M. Sayed
N. S. Shah
S. Khan
Y. Zhang
G. Boczkaj
H. Khan
D. D. Dionysiou

- APPLIED CATALYSIS B-ENVIRONMENTAL - Year 2020

Owing to the increasing photosensitivity and DNA damage properties of para-aminobenzoic acid (PABA), concerns have been raised over the exposure of humans to PABA. Solar light-driven photocatalysis (SPC) provides a promising solution for the effective removal of organic pollutants especially when directed towards sulfate radical (SO4−) production. Herein, we have developed a sulfite-enhanced SPC using Eosin-Y sensitized TiO2/Ti...

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The influence of amorphous macrodiol, diisocyanate type and l-ascorbic acid modifier on chemical structure, morphology and degradation behavior of polyurethanes for tissue scaffolds fabrication

Publication

- POLYMER DEGRADATION AND STABILITY - Year 2019

Studies described in this work were related to the bulk synthesis and characterization of polyurethanes (PURs) obtained with the use of cyclic 4,4′-methylene bis(cyclohexyl isocyanate) (HMDI) or linear 1,6-hexamethylene diisocyanate (HDI), amorphous α,ω-dihydroxy(ethylene-butylene adipate) macrodiol (PEBA), 1,4-butandiol (BDO) chain extender and dibutyltin dilaurate (DBTDL) catalyst. Obtained PURs were modified with l-ascorbic...

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X-ray Photoelectron Spectroscopy of Carboxylic Acids as Corrosion Inhibitors of Aluminium Alloys

Publication

J. Ryl
J. Wysocka

- Year 2022

The datasets, titled X-ray Photoelectron Spectroscopy studies of citric acid adsorption on aluminium alloy 5754 in alkaline media and X-ray Photoelectron Spectroscopy studies of various carboxylic acids adsorption on aluminium alloys in alkaline media, contain XPS studies of the corrosion inhibitory action of selected dicarboxylic acids towards commercially available aluminium alloy 5754 in alkaline media at pH=11. These datasets...

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Utilization of oriented crystal growth for screening of aromatic carboxylic acids cocrystallization with urea

Publication

M. Przybyłek
D. Ziółkowska
M. Kobierski
K. Mroczyńska
P. Cysewski

- JOURNAL OF CRYSTAL GROWTH - Year 2016

The possibility of molecular complex formation in the solid state of urea with benzoic acid analogues was measured directly on the crystallite films deposited on the glass surface using powder X-ray diffractometry (PXRD). Obtained solid mixtures were also analyzed using Fourier transform infrared spectroscopy (FTIR). The simple droplet evaporation method was found to be efficient, robust, fast and cost-preserving approach for first...

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Generation of chirality in 4,4'-azopyridine by co-crystallization with optically active dicarboxylic acids

Publication

A. Wasilewska
M. J. Milewska
M. Gdaniec
T. Połoński

- TETRAHEDRON-ASYMMETRY - Year 2009

Otrzymano kokryształy anti-4,4'-azopirydyny z optycznie czynnymi kwasai: 9,10-dihydro-9,10-etanoantraceno-11,12-dikarboksylowym i trans-1,2-cykloheksnodikarboksylowym. Następnie pomierzono dichroizm kołowy otrzymanych kryształów. Dodatni znak efektu Cottona, odpowiadający niskoenergetycznemu wzbudzeniu elektronowemu n-pi*, został skorelowany z M helikalnością skręconego chromoforu Ar-N=N. Absolutna konfiguracja skręconej cząsteczki...

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Determination of amino acids in urine of patients with prostate cancer and benign prostate growth

Publication

W. Sroka
B. Boughton
P. Reddy
U. Roessner
P. Słupski
P. Jarzemski
A. Dąbrowska
M. Markuszewski
M. Marszałł

- EUROPEAN JOURNAL OF CANCER PREVENTION - Year 2017

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Separation of fatty acids, their methyl esters and triacylglycerols by non-aqueous electrochromatography and HPLC.

Publication

M. Chylińska-Ptak
S. Lau
A. Stołyhwo

- Year 2004

Elektrochromatografię kapilarną (CEC) oraz HPLC w odwróconym układzie faz zastosowano do rozdzielenia wolnych kwasów tłuszczowych, ich estrów metylowych oraz triacylogliceroli TAG. Zaproponowano własną konstrukcję zestawu laboratoryjnego do CEC oraz sposób preparowania mikrokolumn o średnicy 100 mm i długości złoża (Hypersil ODS 3 mm) 200 mm. Z porównania względnych czasów retencji TAG rozdzielanych technikami CEC i HPLC przy użyciu...

Long chain polyunsaturated fatty acids in smoked Atlantic mackerel and Baltic sprats

Publication

- FOOD CHEMISTRY - Year 2006

Wyniki pracy wykazały, że zmienność w składzie kwasów tłuszczowych w surowcu, (makrela, szprot), pochodzącym z różnych dostaw, była większa niż zmiany wywołane wędzeniem i przechowywaniem wędzonego produktu.

Determination of Selected Organic Acids in Animal Farm Water Samples by Ion Chromatography

Publication

- International Journal of Chemical Engineering and Applications - Year 2012

Low molecular mass carboxylic acids (LCAs) occur in many environmental compartments due to natural processes and human activity. They are an important group of organic pollutants of waste water that mainly includes, volatile fatty acids, and also dicarboxylic, aromatic, hydroxy- and ketoacids. LCAs are present in the environment at concentrations between 1 to 5000 ppm and different methods have been reported for their determination...

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Determination of short-chain monocarboksylic acids in cattle farm and dairy industry wastewater

Publication

- Year 2011

The paper describes application of various techniques to determine short-chain monocarboksylic acids (SCMAs) in samples from the successive steps from milk production: from wastewater from cattle farm to wastewater from dairy industry. Each technique of sample preparation is followed by gas chromatographic analysis.

Hydration of Simple Carboxylic Acids from Infrared Spectra of HDOand Theoretical Calculations

Publication

- JOURNAL OF PHYSICAL CHEMISTRY B - Year 2011

Badanie hydratacji kwasów karboksylowych w rozcieńczonych roztworach wodnych ma duże znaczenie dla zrozumienia ich funkcji biologicznych. Metodą stosowaną w badaniach była spektroskopia oscylacyjna FTIR z zastosowaniem techniki rozcieńczenia izotopowego wody półciężkiej HDO w roztworze wody zwykłej. Do analizy danych widmowych wykorzystano ''metodę widm różnicowych''. Widma HDO zaburzonej przez kwasy: mrówkowy, octowy i propionowy...

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Preparation, composition and properties of fish silage produced with post-coagulation sludge

Publication

- Environment Protection Engineering - Year 2013

Post-coagulation sludge was added to fish fydrolyzates (silage). Silage was prepared using whole sprats. Technology of the process has been modified and sulphuric acid was replaced with phosphoric acid. The objective was to evaleuate the quality of produced silage during storage, particulary the changes of peroxide value and amount of free acids in silage fat.

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TMSCl Promoted Acylation of Amines with 5-(α-amino- α'-hydroxy)methylene Meldrum's Acids - Elucidation of Mechanism.

Publication

- Year 2011

Recently we have observed accelerating influence of trimethyl silyl chloride addition on the rate of the reactions of 5-(α-amino- α'-hydroxy)methylene Meldrum's Acids with amines, particularly in the case of highly basic amines. However the nature of the aforementioned process remain unexplained. In proposed communication we wish to report insightful elucidation of this mechanism. The reaction under investigation involves simply...

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An influence of molecular weight, deacetylation degree of chitosan xerogels on their antimicrobial activity and cytotoxicity. Comparison of chitosan materials obtained using lactic acid and CO2 saturation.

Publication

- CARBOHYDRATE RESEARCH - Year 2023

This paper presents a comparison of the antimicrobial activity and cytotoxicity against L929 cells of chitosan xerogels prepared by dissolving the polymer in a solution of lactic acid (LA) or carbonic acid (CO2) and then freeze-drying. There was no simple relationship between the antimicrobial activity and cytotoxicity of the samples obtained using both techniques (LA and CO2). Chitosan materials obtained by the LA method in a...

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Advanced oxidation (H2O2 and/or UV) of functionalized carbon nanotubes (CNT-OH and CNT-COOH) and its influence on the stabilization of CNTs in water and tannic acid solution

Publication

B. Czech
P. Oleszczuk
A. Wiącek

- Environmental Pollution - Year 2015

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Impact of the Alkyl Side Chains of Cations and Anions on the Activity and Renaturation of Lysozyme: A Systematic Study Performed Using Six Amino‐Acid‐Based Ionic Liquids

Publication

- Year 2021

The impact of the structure of ionic liquid on the activity and renaturation of lysozyme from the hen egg white (HEWL) was investigated. A set of six ionic liquids based on morpholinium cation and N-acylated amino acids as anions were exploited. The matrix used was based on two homologous series: one with N-acetyl-L-valinate [Val] as a common anion and morpholinium cation with a different number of...