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Browsing Articles by Subject "Type of access: Open Access"

Now showing items 1-15 of 15

A CARBON DOT-BASED CO-NANOZYME WITH ALKALINE PHOSPHATASE – MECHANISM AND APPLICATION

Fan, Haiyan; Dukenbayev, Kanat; Sun, Qinglei; Khamijan, Medina; Turdaliyev, Akhrorbek; Ysmaiyl, Alibek; Tassanbiyeva, Aigerim; Ma, Cuiping; Xie, Yingqiu (RSC Advances, 2021-10-21)

Elevated levels of alkaline phosphatase (ALP) are associated with bone metastasis, liver cancer, prostate cancer, breast cancer, and many other diseases or stem cell marker. It is therefore of great significance to ...
CARBON DOTS-MEDIATED FLUORESCENT SCAFFOLDS: RECENT TRENDS IN IMAGE-GUIDED TISSUE ENGINEERING APPLICATIONS

Vedhanayagam, Mohan; Raja, Iruthayapandi Selestin; Molkenova, Anara; Atabaev, Timur Sh.; Sreeram, Kalarical Janardhanan; Han, Dong-Wook (MDPI AG, 2021-05-20)

Regeneration of damaged tissues or organs is one of the significant challenges in tissue engineering and regenerative medicine. Many researchers have fabricated various scaffolds to accelerate the tissue regeneration ...
CRACK-FREE AND THICKNESS-CONTROLLABLE DEPOSITION OF TIO2–RGO THIN FILMS FOR SOLAR HARNESSING DEVICES

Khamkhash, Laura; Em, Svetlana; Molkenova, Anara; Hwang, Yoon-Hwae; Atabaev, Timur Sh. (Coatings, 2022)

The use of thin films consisting of TiO2 and reduced graphene oxide (TiO2–rGO) in solar harnessing devices is gaining momentum thanks to improved charge-transporting characteristics. In this report, we propose a facile ...
EDITORIAL: FLUORESCENT CARBON-BASED NANOSTRUCTURES FOR BIOIMAGING APPLICATIONS

Atabaev, Timur Sh.; Han, Dong-Wook (Frontiers in Chemistry, 2020-09)

Recently discovered carbon quantum dots (CQDs) and graphene quantum dots (GQDs) with excellent optical properties sparked considerable interest in the scientific community. First of all, these CQDs and GQDs can be conveniently ...
ENHANCED ANTIMICROBIAL ACTION OF CHLORHEXIDINE LOADED IN SHELLAC NANOPARTICLES WITH CATIONIC SURFACE FUNCTIONALITY

Al-Obaidy, Saba S. M.; Greenway, Gillian M.; Paunov, Vesselin N. (MDPI, 2021-09-02)

We report on an active nanocarrier for chlorhexidine (CHX) based on sterically stabilized shellac nanoparticles (NPs) with dual surface functionalization, which greatly enhances the antimicrobial action of CHX. The fabrication ...
ENHANCED ANTIMOULD ACTION OF SURFACE MODIFIED COPPER OXIDE NANOPARTICLES WITH PHENYLBORONIC ACID SURFACE FUNCTIONALITY

Henry, Patricia; Halbus, Ahmed F.; Athab, Zahraa H.; Paunov, Vesselin N. (Biomimetics, 2021-03-15)

Antimould agents are widely used in different applications, such as specialty paints, building materials, wood preservation and crop protection. However, many antimould agents can be toxic to the environment. This work ...
ENSEMBLE VOTING-BASED MULTICHANNEL EEG CLASSIFICATION IN A SUBJECT-INDEPENDENT P300 SPELLER

Mussabayeva, Ayana; Jamwal, Prashant Kumar; Akhtar, Muhammad Tahir (MDPI, 2021-11-26)

Classification of brain signal features is a crucial process for any brain–computer interface (BCI) device, including speller systems. The positive P300 component of visual event-related potentials (ERPs) used in BCI ...
HOW GAP DISTANCE BETWEEN GOLD NANOPARTICLES IN DIMERS AND TRIMERS ON METALLIC AND NON-METALLIC SERS SUBSTRATES CAN IMPACT SIGNAL ENHANCEMENT

Arbuz, Alexandr; Sultangaziyev, Alisher; Rapikov, Alisher; Kunushpayeva, Zhanar; Bukasov, Rostislav (Nanoscale Advances, 2022)

The impact of variation in the interparticle gaps in dimers and trimers of gold nanoparticles (AuNPs), modified with Raman reporter (2-MOTP), on surface-enhanced Raman scattering (SERS) intensity, relative to the SERS ...
REVIEW: DETECTION AND QUANTIFICATION OF PROTEINS IN HUMAN URINE

Aitekenov, Sultan; Gaipov, Abduzhappar; Bukasov, Rostislav (Talanta, 2020-10-14)

Extensive medical research showed that patients, with high protein concentration in urine, have various kinds of kidney diseases, referred to as proteinuria. Urinary protein biomarkers are useful for diagnosis of many ...
SANDWICH SERS IMMUNOASSAY OF HUMAN IMMUNOGLOBULIN ON SILICON WAFER COMPARED TO TRADITIONAL SERS SUBSTRATE, GOLD FILM

Kunushpayeva, Zhanar; Rapikov, Alisher; Akhmetova, Aktilek; Sultangaziyev, Alisher; Dossym, Dina; Bukasov, Rostislav (Sensing and Bio-Sensing Research, 2020-08)

Likely the first application of silicon wafer as a substrate for sandwich immunoassay with Surface Enhanced Raman Scattering (SERS) detection is reported hereafter. Human immunoglobulin (hIgG) was used as a model biomarker ...
SOLUTION-BASED DEPOSITION OF TRANSPARENT EU-DOPED TITANIUM OXIDE THIN FILMS FOR POTENTIAL SECURITY LABELING AND UV SCREENING

Molkenova, Anara; Khamkhash, Laura; Zhussupbekova, Ainur; Zhussupbekov, Kuanysh; Sarsenov, Sagyntay; Taniguchi, Izumi; Shvets, Igor V.; Atabaev, Timur Sh. (MDPI, 2020-06-08)

Transparent titanium oxide thin films attract enormous attention from the scientific community because of their prominent properties, such as low-cost, chemical stability, and optical transparency in the visible region. ...
STUDYING THE EFFECT OF CHONDROITIN SULFATE ON THE PHYSICOCHEMICAL PROPERTIES OF NOVEL GELATIN/CHITOSAN BIOPOLYMER-BASED CRYOGELS

Kudaibergen, Gulshakhar; Zhunussova, Madina; Mun, Ellina A.; Arinova, Anar; Ogay, Vyacheslav (MDPI, 2021-10-27)

The application of biopolymers in tissue engineering is of a great interest due to of their inherent properties such as cell adhesion, biodegradation, bioavailability, and viscoelasticity. In this study, we synthesized ...
SURFACE INTERACTIONS AND MECHANISMS STUDY ON THE REMOVAL OF IODIDE FROM WATER BY USE OF NATURAL ZEOLITE-BASED SILVER NANOCOMPOSITES

Inglezakis, Vassilis J.; Satayeva, Aliya R.; Yagofarova, Almira; Tauanov, Zhandos; Meiramkulova, Kulyash; Farrando-Pérez, Judit; Bear, Joseph C. (MDPI AG, 2020-06-12)

In this work a natural zeolite was modified with silver following two different methods to derive Ag2O and Ag0 nanocomposites. The materials were fully characterized and the results showed that both materials were decorated ...
SUSTAINED IN VITRO AND IN VIVO DELIVERY OF METFORMIN FROM PLANT POLLEN-DERIVED COMPOSITE MICROCAPSULES

Meligi, Noha M.; Dyab, Amro K. F.; Paunov, Vesselin N. (Pharmaceutics, 2021-07-09)

We developed a dual microencapsulation platform for the type 2 diabetes drug metformin (MTF), which is aimed to increase its bioavailability. We report the use of Lycopodium clavatum sporopollenin (LCS), derived from their ...
TAU FIBRIL WITH MEMBRANE LIPIDS: INSIGHT FROM COMPUTATIONAL MODELING AND SIMULATIONS

Barredo, Prechiel A.; Fernandez, Marvin Jose F.; Ambe, Christopher E.; Balanay, Mannix P. (PLOS ONE, 2021-10-15)

The microtubule-binding protein tau has been the center of researches concerning Alzheimer’s disease (AD) due to several clinical trials of β-amyloid therapies failing recently. The availability of the tau fibril structure ...