تصفح حسب العنوان
السجلات المعروضة 12312 -- 12331 من 49153
-
Highly selective gas sensors from photo-activated ZnO/PANI thin films synthesized by mSILAR
( Elsevier Ltd , 2017 , Article)Zinc oxide (ZnO) nano-polycrystalline thin films has been prepared by cost-effective microwave assisted successive ionic layer adsorption and reaction (mSILAR) technique. ZnO/PANI prepared by in situ polymerization technique ... -
A Highly Selective Sensor for Cyanide in Organic Media and on Solid Surfaces
( MDPI AG , 2016 , Article)The application of IR 786 perchlorate (IR-786) as a selective optical sensor for cyanide anion in both organic solution (acetonitrile (MeCN), 100%) and solvent-free solid surfaces was demonstrated. In MeCN, IR-786 was ... -
Highly sensitive and selective colorimetric sensing of CO2 for biomedical applications
( Springer Science and Business Media Deutschland GmbH , 2022 , Article)The concentration of carbon dioxide (CO2) in unhealthy people differs greatly from healthy people. High-precision CO2 detection with a quick response time is essential for many biomedical applications. A major focus of ... -
Highly Sensitive Detection and Differentiation of Endotoxins Derived from Bacterial Pathogens by Surface-Enhanced Raman Scattering.
( MDPI , 2021 , Article)Bacterial endotoxins, as major components of Gram-negative bacterial outer membrane leaflets and a well-characterized TLR4-MD-2 ligand, are lipopolysaccharides (LPSs) that are constantly shed from bacteria during growth ... -
Highly sensitive humidity sensor based on cadmium selenide quantum dots-polymer composites: synthesis, characterization, and effect of UV/ozone treatment
( Springer , 2023 , Article)This work describes the rational design of thin film-based cadmium selenide quantum dots (CdSe) mixed with conductive polyvinylidene fluoride (PVDF), inducing PVDF-CdSe composite for potential resistive humidity-sensing ... -
A highly sensitive wearable pressure sensor capsule based on PVA/Mxene composite gel
( Springer , 2022 , Article)Wearable sensors have drawn considerable interest in the recent research world. However, simultaneously realizing high sensitivity and wide detection limits under changing surrounding environment conditions remains ... -
Highly stable hybrid single-micelle: a universal nanocarrier for hydrophobic bioimaging agents
( Tsinghua University , 2022 , Article)As the first-line technology, micelles play a pivotal role in in vivo delivery of theranostic agents because of their high biocompatibility and universality. However, in complex physiological environments (extreme dilution, ... -
Highly stable nanoporous sulfur-bridged covalent organic polymers for carbon dioxide removal
( John Wiley & Sons, Ltd , 2013 , Article)Carbon dioxide capture and separation requires robust solids that can stand harsh environments where a hot mixture of gases is often found. Herein, the first and comprehensive syntheses of porous sulfur-bridged covalent ... -
Highly stable Ti3C2Tx (MXene)/Pt nanoparticles-modified glassy carbon electrode for H2O2 and small molecules sensing applications
( Elsevier B.V. , 2018 , Article)© 2018 Elsevier B.V. Electrochemical performance of a 2D Ti3C2Tx (MXene, where T: [dbnd]O, –OH, –F) sheets modified with Pt nanoparticles (PtNPs) was investigated. The results showed that Ti3C2Tx/PtNP nanocomposite deposited ... -
Highly transparent low sheet resistance electrodes for solar cell applications
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)High aspect ratio copper nanowires were synthesized, using a solution-based approach. The nanowires along with reduced graphene oxide thin films were sprayed onto glass and flexible substrates and later annealed in order ... -
High–temporal resolution profiling reveals distinct immune trajectories following the first and second doses of COVID-19 mRNA vaccines
( American Association for the Advancement of Science , 2022 , Article)Knowledge of the mechanisms underpinning the development of protective immunity conferred by mRNA vaccines is fragmentary. Here, we investigated responses to coronavirus disease 2019 (COVID-19) mRNA vaccination via ... -
HipXNet: Deep Learning Approaches to Detect Aseptic Loos-Ening of Hip Implants Using X-Ray Images
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Article)Radiographic images are commonly used to detect aseptic loosening of the hip implant in patients with total hip replacement (THR) surgeries. These techniques of manual assessment by medical professionals can suffer from ... -
Histochemical Studies On argas (Argas) Hermanni (Ixodoidea: Argasidae) Salivary Glands
( Qatar University , 1994 , Article)Basic proteins, tryptophan, tyrosine, free NH2 and SH groups, general carbohydrates, glycogen, acid mucopolysaccharides and lipids were investigated during nymphal and adult Argas (Argas) hermanni Audouin development. In ... -
Histogram-based thresholding in discrete wavelet transform for partial discharge signal denoising
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)White noise is a major interference source that affects the partial discharge (PD) signal detection and recognition. Wavelet shrinkage denoising methods can efficiently reject the white noise embedded in the PD signal ... -
Histological And Histochemical Studies On The Decidua And The Uterine Glands During Early Pregnancy In The Rat (Rattus rattus)
( Qatar University , 1986 , Article)Histological and histochemical studies were carried out on the decidua and uterine glands in the uteri of pregnant rats 'Rattusrattus' between 129 hours post.-coitum (p.c) and day nine of pregnancy. Decidualization was ... -
Histological And Histochemical Study Of The Digestive Tract Of The Worm-Like Reptile*, Diplometopon Zarudnyi (Squamata)
( Qatar University , 1996 , Article)The structure of the digestive tract of Diplometopon zarudnyi was studied by means of light microscopic histology and PAS reaction. The oesophagus is lined with stratified columnar epithelium while the stomach is lined ... -
Histological evaluation of the male rabbit urethra: Regional and age-related variations and their relevance in tissue engineering and reconstructive surgery applications
( Sidra Medicine , 2019 , Conference Paper)Background data: The male rabbit is the most frequently utilized animal model for urethral preclinical experiments. Surprisingly, little is known about the regional variations in the tissue along the urethra, or how age ... -
Histological observations on the changes in Thyroid activity in the geckonid lizard, bunopus tuberculatus, during tail regeneration
( Qatar University , 1994 , Article)Histological observations on the thyroid activity during differentphases of tail regneration in the geckonid lizard, Bw/jo/ms tuberculatus, have indicated a decreased thyroid activity during wound-healing phase. During ...
