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Journal articles on the topic 'Mg-CdS'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Taqiyyah, Izzatut, Akhiruddin Maddu, and M. Rahmad Suhartanto. "Sintesis Nano Fertilizer Carbon Dots dari Kulit Pisang Nangka (Musa paradisiaca L.) yang Diperkaya Urea dan Pengujiannya pada Pertumbuhan Vegetatif (Awal) Tanaman Jagung." POSITRON 15, no. 1 (2025): 103–13. https://doi.org/10.26418/positron.v15i1.86743.

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Carbon dots (CDs) yang berasal dari karbon hijau merupakan salah satu contoh bahan organik yang dapat digunakan untuk membuat pupuk nano yang tidak beracun dan ramah lingkungan. Pada penelitian ini dilakukan proses sintesis nano fertilizer (pupuk nano) carbon dots yang diberi pengayaan nitrogen (N-CDs) dari prekursor kulit pisang nangka dan dilakukan pengujiannya sebagai pupuk nano pada pertumbuhan vegetatif jagung. Penelitian ini juga menguji karakteristik N-CDs dan efektivitasnya terhadap pertumbuhan vegetatif jagung. Metode yang digunakan adalah metode perbandingan langsung. Berdasarkan uji

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Guan, Yingxiang, Xiaoping Zou, and Sheng He. "Effect of CdS/Mg-Doped CdSe Cosensitized Photoanode on Quantum Dot Solar Cells." Journal of Nanomaterials 2015 (2015): 1–6. http://dx.doi.org/10.1155/2015/673135.

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Quantum dots have emerged as a material platform for low-cost high-performance sensitized solar cells. And doping is an effective method to improve the performance of quantum dot sensitized solar cells (QDSSCs). Since Kwak et al. from South Korea proved the incorporation of Mg in the CdSe quantum dots (QDs) in 2007, the Mg-doped CdSe QDs have been thoroughly studied. Here we report a new attempt on CdS/Mg-doped CdSe quantum dot cosensitized solar cells (QDCSSC). We analyzed the performance of CdS/Mg-doped CdSe quantum dot cosensitized solar cells via discussing the different doping concentrati

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Suner, Selin S., Mehtap Sahiner, Ramesh S. Ayyala, Venkat R. Bhethanabotla, and Nurettin Sahiner. "Nitrogen-Doped Arginine Carbon Dots and Its Metal Nanoparticle Composites as Antibacterial Agent." C—Journal of Carbon Research 6, no. 3 (2020): 58. http://dx.doi.org/10.3390/c6030058.

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Nitrogen (N)-doped arginine carbon dots (Arg CD) were successfully synthesized using arginine as the amine source and citric acid as the carbon source via a one-pot green synthesis microwave-assisted technique in 2 min. Ag and Cu nanoparticles (NP) were generated within N-doped Arg CDs as composite Arg-Ag CDs and Arg-Cu CDs to render enhanced antibacterial properties. TEM analysis revealed that Arg CDs are in graphitic structures with d spacing ranging from 0.5 nm to 10 nm. The minimum inhibition concentration (MIC) values of Arg CDs with 6.250 mg/mL were decreased by about 100-fold for Arg-Ag

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Ali, Sundas, F. Akbar Jan, Rahat Ullah, Wajidullah, Naimat Ullah, and Salman. "UV-light-driven cadmium sulphide (CdS) nanocatalysts: synthesis, characterization, therapeutic and environmental applications; kinetics and thermodynamic study of photocatalytic degradation of Eosin B and Methyl Green dyes." Water Science and Technology 85, no. 4 (2022): 1040–52. http://dx.doi.org/10.2166/wst.2021.637.

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Abstract Cadmium sulphide (CdS) nanoparticles (NPs) were synthesized through hydrothermal route and characterized by UV-Vis spectroscopy, X-ray diffraction (XRD), Energy dispersive X-ray analysis, Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy and Thermo gravimetric analysis (TGA).The band gap of CdS nanoparticles was found to be 2.38 eV. CdS NPs are crystalline aggregates with hexagonal structure as shown by SEM and XRD analysis. TGA study revealed that the synthesized nanomaterials were very stable to temperature and only 6.54% total loss occurred during heating

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Iqbal, Kanwal, Anam Iqbal, Alexander M. Kirillov, Changfu Shan, Weisheng Liu, and Yu Tang. "A new multicomponent CDs/Ag@Mg–Al–Ce-LDH nanocatalyst for highly efficient degradation of organic water pollutants." Journal of Materials Chemistry A 6, no. 10 (2018): 4515–24. http://dx.doi.org/10.1039/c8ta00258d.

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A novel type of multicomponent and recyclable nanocatalyst CDs/Ag@Mg–Al–Ce-LDH was successfully assembled by functionalizing a magnesium–aluminum layered double hydroxide support doped with Ce (denoted as Mg–Al–Ce-LDH) with carbon dots (CDs) and Ag nanoparticles.

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Saravanan, Arumugam, Moorthy Maruthapandi, Poushali Das, John H. T. Luong, and Aharon Gedanken. "Green Synthesis of Multifunctional Carbon Dots with Antibacterial Activities." Nanomaterials 11, no. 2 (2021): 369. http://dx.doi.org/10.3390/nano11020369.

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Carbon dots (CDs) were obtained from medicinal turmeric leaves (Curcuma longa) by a facile one-step hydrothermal method and evaluated for their bactericidal activities against two gram-negative; Escherichia coli, Klebsiella pneumoniae, and two gram-positive counterparts; Staphylococcus aureus, S. epidermidis. The CDs exhibited spherical shapes with a mean size of 2.6 nm. The fluorescence spectra of CDs revealed intense fluorescence at λex/em = 362/429 nm with a bright blue color in an aqueous solution. The CDs showed strong photostability under various environmental conditions (pH, salt, and U

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Xu, Mingdong, Wenqiang Li, Shun Liu, Tao Zhang, Simin Yin, and Sen Lai. "Preparation of PbTiO3-CdS nanocomposite material and its microstructure and photocatalytic properties." Characterization and Application of Nanomaterials 5, no. 1 (2022): 19. http://dx.doi.org/10.24294/can.v5i1.1409.

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In order to explore the influence of the ferroelectric surface on the structure and properties of semiconductor oxides, the growth of CdS nanocrystals was regulated and controlled by taking single-crystal perovskite PbTiO3 nanosheets as the substrate through a simple hydrothermal method. Through composition design, a series of PbTiO3-CdS nanocomposite materials with different loading concentrations were prepared, and their microstructure and photocatalytic properties were systematically analyzed. Studies show that in the prepared product, CdS nanoparticles selectively grow on the surfaces of P

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Drury, Craig F., Chin S. Tan, John D. Gaynor, John W. Daniel Reynolds, Thomas W. Welacky, and Thomas O. Oloya. "Water Table Management Reduces Tile Nitrate Loss in Continuous Corn and in a Soybean-Corn Rotation." Scientific World JOURNAL 1 (2001): 163–69. http://dx.doi.org/10.1100/tsw.2001.268.

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Water table management systems can be designed to alleviate soil water excesses and deficits, as well as reduce nitrate leaching losses in tile discharge. With this in mind, a standard tile drainage (DR) system was compared over 8 years (1991 to 1999) to a controlled tile drainage/subirrigation (CDS) system on a low-slope (0.05 to 0.1%) Brookston clay loam soil (Typic Argiaquoll) in southwestern Ontario, Canada. In the CDS system, tile discharge was controlled to prevent excessive drainage, and water was pumped back up the tile lines (subirrigation) to replenish the crop root zone during water

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9

Zhang, Jun, and Feihong Jiang. "Temperature-dependent photoluminescence of Mg-doped CdS nanowires." Physics Letters A 373, no. 42 (2009): 3888–91. http://dx.doi.org/10.1016/j.physleta.2009.08.034.

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10

Putri, Fajar Amelia Rachmawati, Mudasir Mudasir, Kinichi Morita, and Suherman Suherman. "Microwave-Assisted Synthesis of Amikacin Modified N,S co-Doped Carbon Dots for Escherichia coli Detection." Chemosensors 7, no. 4 (2019): 61. http://dx.doi.org/10.3390/chemosensors7040061.

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Fluorescent amikacin modified nitrogen, sulfur co-doped carbon dots (amikacin modified N,S-CDs) were synthesized by a facile and low-cost one-step microwave-assisted specifically for selective detection of Gram-negative bacteria Escherichia coli (E. coli). Amikacin is a semi-synthetic amino glycoside antibiotic and it was employed in this study to increase the fluorescence response of N,S-CDs by providing binding ligand towards E. coli. The effect of thiourea content as the source of nitrogen and sulfur dopants was investigated prior to the preparation of amikacin modified N,S-CDs. The formati

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Liu, Fengling, Chao Han, Panbo Sun, Guangxin Wang, Jiwen Li, and Qinghua Chang. "Spherical CdS Nanoparticles Precipitated from a Cadmium Thiosulfate Complex Using Ultraviolet Light for Photocatalytic Dye Degradation." Metals 13, no. 3 (2023): 554. http://dx.doi.org/10.3390/met13030554.

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Thiosulfate is an inorganic ligand that forms a soluble light-sensitive cadmium thiosulfate complex, and cadmium sulfide (CdS) with a “size effect” can be produced via ultraviolet (UV) irradiation. This study investigated the activity of CdS nanoparticles (NPs) precipitated from a cadmium thiosulfate complex via UV irradiation on photocatalytic dye degeneration. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) demonstrated that the decomposition products were spherical CdS NPs. The photocatalytic activity of the CdS NPs was evaluated based on the degradation rates

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Browne, MaKenna R., Peter G. Hendrickson, and David G. Kirsch. "Abstract 523: Minnelide as a potential treatment strategy for CIC::DUX4 sarcoma." Cancer Research 85, no. 8_Supplement_1 (2025): 523. https://doi.org/10.1158/1538-7445.am2025-523.

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Background: CIC::DUX4 Sarcoma (CDS) is driven by t(4;19) or t(10;19) chromosomal translocations and is associated with high rates of metastasis, chemoresistance, and poor outcomes. Previously classified as “Ewing-like sarcoma” due to overlapping morphological and immunobiological features, CDS differs from Ewing sarcoma in several key aspects: it rarely arises in bone, lacks the Ewing-defining ETS gene fusion, and has a more aggressive clinical course. Despite recent reclassification by the World Health Organization as its own entity, CDS patients are still treated with ineffective Ewing-based

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Sanal, K. C., Soorya Pushpan, P. K. Nair, and M. T. S. Nair. "Cu-Mg-O thin films by RF magnetron co-sputtering: Their band offsets with CdS in heterojunction solar cells." Quimica Hoy 11, no. 03 (2022): 41–49. http://dx.doi.org/10.29105/qh11.03-298.

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We report on Cu-Mg.O thin films of 100 - 300 nm in thickness produced by radio frequency (RF) reactive sputtering fromCu and Mg-metal targets in an argon-oxygen ambient. The amount of Mg in the thin films was varied through changingthe RF power applied at the Mg target. When the Mg content in the Cu-Mg-O film changed from 0 to 0.3, the opticalbandgap increased from 1.73 eV to 2.13 eV, and the electrical conductivity decreased from 9 x 10-3 Ω-1 cm-1(CuxO) to 6.7x 10-5 Ω-1 cm-1(Cuo7/Mg0.30). Solar cells of these films, FTO/ CdS/Cu0.85Mg0.15O/C-Ag, showed a short circuit current density of 2.86 m

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Dhungana, Kalpana, and Armila Rajbhandari (Nyachhyon). "Photocatalytical Degradation of Methylene Blue using Laboratory Prepared Cadmium Sulphide." Journal of Nepal Chemical Society 45, no. 1 (2025): 48–56. https://doi.org/10.3126/jncs.v45i1.74386.

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The cadmium sulphide (CdS) has been successfully synthesized in laboratory by chemical precipitation method. Cadmium chloride and sodium sulfide were used as precursor for the synthesis of CdS photocatalyst. The synthesized material was characterized by Fourier Transform Infrared Spectroscopy, X-ray diffraction, Scanning Electron Microscopy. The XRD peaks are obvious at 25.05, 26.9, 28.29, 43.9, 47.9, 52.07, 2θ degrees which indicates the crystalline phase of as prepared CdS material and average crystalline size was found to be 5.25 nm. Synthesized CdS nanoparticles were used to degrade the me

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Divsalar, Elahe, Mehran Moradi, Hossein Tajik, Rahim Molaei, Amalia Conte, and Matteo Alessandro Del Nobile. "Improving the shelf life of fresh pasta filata cheese using lactobacilli postbiotics and carbon dots." Quality Assurance and Safety of Crops & Foods 17, no. 2 (2025): 106–23. https://doi.org/10.15586/qas.v17i2.1530.

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This study investigated the efficacy of aerosolized postbiotics derived from Lactobacillus mesenteroides, zinc-carbon dots (Z-CDs), and their combined application in extending the shelf life of fresh pasta filata cheese (Z-CDs-P). The postbiotics (300 mg/mL), Z-CDs (5 mg/mL), and their combination were used in fresh pasta filata cheese during storage at 4 °C for 18 days by the aerosolization method. A diverse range of microbial and fungal species were monitored in cheese samples. A mathematical model was used to estimate the shelf life of cheese by analyzing both microbiological and sensory da

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Ke, Senhua, Chenyue Mao, Ruiqing Luo, et al. "Surprising Effects of Al2O3 Coating on Tribocatalytic Degradation of Organic Dyes by CdS Nanoparticles." Coatings 14, no. 8 (2024): 1057. http://dx.doi.org/10.3390/coatings14081057.

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With a band gap of 2.4 eV, CdS has been extensively explored for photocatalytic applications under visible light irradiation. In this study, CdS nanoparticles have been investigated for the tribocatalytic degradation of concentrated Rhodamine B (RhB) and methyl orange (MO) solutions. For CdS nanoparticles in a glass beaker, 78.9% of 50 mg/L RhB and 69.8% of 20 mg/L MO solutions were degraded after 8 h and 24 h of magnetic stirring using Teflon magnetic rotary disks, respectively. While for CdS nanoparticles in a beaker with Al2O3 coated on its bottom, 99.8% of the RhB solution was degraded aft

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Luo, Hao, Hao Liu, and Chengwu Sun. "Removal of Sulfide Ions from Kraft Washing Effluents by Photocatalysis with N and Fe Codoped Carbon Dots." Polymers 15, no. 3 (2023): 679. http://dx.doi.org/10.3390/polym15030679.

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N and Fe codoped carbon dots (N,Fe-CDs) were fabricated from citric acid, L-glutamic acid and ferric chloride via a hydrothermal method for the photocatalytic removal of S2− from kraft washing effluents (KWE). The N,Fe-CDs were fluorescent nanoparticles (average size of 3.18 nm) and catalyzed the oxidation of S2− following a first-order kinetic model with an activation energy of 33.77 kJ/mol. The N,Fe-CDs tolerated elevated temperatures as high as 80 °C without catalyst deactivation. The N,Fe-CDs catalysts were reusable for at least four cycles, preserving over 90% of the activity. In the trea

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Wei, Lian-Qiang, Jiu-Bin Wei, Fei Yang, Zhi-Wei Li, and Hong-Fang Lai. "Preparation of Thiadiazole Modified UiO-68-CdS Composites for RhB Degradation under Visible Light Irradiation." Crystals 13, no. 5 (2023): 785. http://dx.doi.org/10.3390/cryst13050785.

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In this paper, the photosensitive Zr-MOF material Thiadiazole-modified UiO-68 (UiO-68N2S) was used to prepare CdS@UiO-68N2S composites by MOF post-reaction. The chemical composition is characterized using PXRD, FT-IR, XPS, SEM, and TGA. Rhodamine B was used as the model dye for photocatalytic degradation to evaluate the performance of CdS@UiO-68N2S under visible light irradiation. Experimental results show that the degradation rate of a 25 mg/L RhB solution (10 mL) reached 94% with 10 mg CdS@UiO-68N2S as a photocatalyst under blue light irradiation in 13 h at room temperature. The mechanism st

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Iqbal, Anwar, Fatimah Bukola Shittu, Mohamad Nasir Mohamad Ibrahim, et al. "Photoreactive Carbon Dots Modified g-C3N4 for Effective Photooxidation of Bisphenol-A under Visible Light Irradiation." Catalysts 12, no. 11 (2022): 1311. http://dx.doi.org/10.3390/catal12111311.

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A series of carbon dots (CDs) modified g‑C3N4 (xCDs/g-C3N4; x = 0.5, 1.0, and 1.5 mL CDs solution) was synthesized via the microwave-assisted hydrothermal synthesis method for the photooxidation of bisphenol-A (BPA) under visible light irradiation. The X-ray diffraction (XRD) analysis indicates that the CDs may have a turbostratic structure and the resulting photocatalysts have distorted crystal structure, as compared with pure g-C3N4. The high-resolution transmission electron microscope (HR-TEM) analysis revealed amorphous, mono-disperse, spherical CDs with an average particle size of 3.75 nm

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Zhu, Mingzhang, Jiannan Song, Senhua Ke, et al. "Ti Coating-Enhanced Tribocatalytic Degradation of Organic Dyes by CdS Nanoparticles." Inorganics 13, no. 2 (2025): 46. https://doi.org/10.3390/inorganics13020046.

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Coating disk-shaped materials on the bottoms of containers has become a highly effective method for tribocatalysis enhancement. Here, the effects of Ti coatings on the tribocatalytic degradation of organic dyes by CdS nanoparticles were systematically studied. For both 50 mg/L rhodamine B (RhB) and 20 mg/L methyl orange (MO) solutions, the tribocatalytic degradation by CdS nanoparticles was dramatically enhanced in Ti-coated beakers compared to as-received glass-bottomed beakers, with the degradation rate constant increased by 4.77 and 5.21 times, respectively. Moreover, for tribocatalytic deg

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Pichardo-Lowden, Ariana, Guillermo Umpierrez, Erik B. Lehman, et al. "Clinical decision support to improve management of diabetes and dysglycemia in the hospital: a path to optimizing practice and outcomes." BMJ Open Diabetes Research & Care 9, no. 1 (2021): e001557. http://dx.doi.org/10.1136/bmjdrc-2020-001557.

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IntroductionInnovative approaches are needed to design robust clinical decision support (CDS) to optimize hospital glycemic management. We piloted an electronic medical record (EMR), evidence-based algorithmic CDS tool in an academic center to alert clinicians in real time about gaps in care related to inpatient glucose control and insulin utilization, and to provide management recommendations.Research design and methodsThe tool was designed to identify clinical situations in need for action: (1) severe or recurrent hyperglycemia in patients with diabetes: blood glucose (BG) ≥13.88 mmol/L (250

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Dr.h.c., Andreas Ludwig Kalcker. "Clarifying The Science of Chlorine Dioxide Solution (CDS): Addressing Misinformation and Establishing Evidence for Medical Use." INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND ANALYSIS 08, no. 03 (2025): 1367–73. https://doi.org/10.5281/zenodo.15093881.

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Chlorine Dioxide Solution (CDS), an aqueous preparation of chlorine dioxide (ClO₂) gas, is promoted as a treatment for conditions including COVID-19, cancer, Lyme disease, and methicillin-resistant Staphylococcus aureus (MRSA), yet lacks robust clinical validation. This review assesses ClO₂’s chemical properties, distinguishing gaseous ClO₂ (hazardous when inhaled at >0.1 ppm) from CDS (safe and effective at < 1 mg/L for disinfection and potential therapy). As a selective oxidant, CDS exhibits biocidal efficacy without forming trihalomethanes, unlike sodium chlorite (NaClO₂)-based

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Arezki, Yasmin, Juliette Cornacchia, Mickaël Rapp, Luc Lebeau, Françoise Pons, and Carole Ronzani. "A Co-Culture Model of the Human Respiratory Tract to Discriminate the Toxicological Profile of Cationic Nanoparticles According to Their Surface Charge Density." Toxics 9, no. 9 (2021): 210. http://dx.doi.org/10.3390/toxics9090210.

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This study aimed at discriminating with sensitivity the toxicological effects of carbon dots (CDs) with various zeta potential (ζ) and charge density (Qek) in different cellular models of the human respiratory tract. One anionic and three cationic CDs were synthetized as follows: CD-COOH (ζ = −43.3 mV); CD-PEI600 (Qek = 4.70 µmol/mg; ζ = +31.8 mV); CD-PEHA (Qek = 3.30 µmol/mg; ζ = +29.2 mV) and CD-DMEDA (Qek = 0.01 µmol/mg; ζ = +11.1 mV). Epithelial cells (A549) and macrophages (THP-1) were seeded alone or as co-cultures with different A549:THP-1 ratios. The obtained models were characterized,

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Xing, Dan, Jingfa Zhang, Sara Magdouli, et al. "Visible Light-Induced Photocatalytic Degradation of Methylene Blue Using Copper-Doped Carbon Dots One-Step Derived from CCA-Wood." Forests 15, no. 4 (2024): 680. http://dx.doi.org/10.3390/f15040680.

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Developing novel eco-friendly broad-spectrum visible light photocatalysts for dye removal is one of the urgent problems for water treatment. Here, copper-doped carbon dots (CDs) were reported to be directly fabricated from chromated copper arsenate (CCA) wood waste for the photocatalytic degradation of the methylene blue dye. The properties of the resulting CDs were thoroughly characterized and analyzed, preceding an investigation into the adsorption kinetics of dye degradation. The kinetic study showed that reactant concentration was the rate-limiting factor. The obtained CDs showed a 151 mg/

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Gunawan, Gunawan, Abdul Haris, Didik Setiyo Widodo, Linda Suyati, and Wilman Septina. "Degradation of Methylene Blue Using Cadmium Sulfide Photoanode in Photofuel Cell System with Variation of Electrolytes." Indonesian Journal of Chemistry 21, no. 1 (2020): 97. http://dx.doi.org/10.22146/ijc.53131.

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Methylene blue degradation carried out using cadmium sulfide (CdS) photoanode in photofuel cell (PFC) had been done. CdS synthesized by chemical bath deposition (CBD) on the FTO substrate was used as anode and platinum as a cathode in photoelectrochemical studies. Characterization of CdS thin film was done using EDX, XRD, SEM, Raman, UV-Vis absorption spectrophotometer as well as photocurrent test of the CdS thin film under illumination using potentiostat with the three-electrode system. The EDX result indicated the presence of CdS with an elemental composition of Cd rich. XRD showed the appea

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Moyer, Ann M., Amy K. Saenger, Maria Willrich, et al. "Implementation of Clinical Decision Support Rules to Reduce Repeat Measurement of Serum Ionized Calcium, Serum Magnesium, and N-Terminal Pro-B-Type Natriuretic Peptide in Intensive Care Unit Inpatients." Clinical Chemistry 62, no. 6 (2016): 824–30. http://dx.doi.org/10.1373/clinchem.2015.250514.

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Abstract BACKGROUND We assessed the impact of clinical decision support (CDS) rules within the electronic health record for ionized calcium (iCa), serum magnesium (Mg), and N-terminal pro-B-type natriuretic peptide (NT-proBNP) in intensive care unit (ICU) inpatients at a large academic center. METHODS A repeat order for measurement of iCa or Mg placed within 24 (iCa) or 48 (Mg) h of a previously nonactionable result, or additional orders for NT-proBNP beyond 1 within a single hospitalization, triggered a CDS pop-up alert showing the prior result and offering the opportunity to cancel the order

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Rohit Singh and Bonamali Pal. "Enhanced Photocatalytic Activity of Coinage Metal-Cadmium Sulfide Nanorod Composites under Sun Light Irradiation." Advanced Materials Research 678 (March 2013): 189–92. http://dx.doi.org/10.4028/www.scientific.net/amr.678.189.

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Abstract. The effect of Au, Ag & Cu (1 wt%) photodeposition onto CdS nanorod (length ~ 116 nm, aspect ratio = 21, surface area = 81 m2/gm) has been studied by photocatalytic degradation of 0.5 mM salicylic acid both under direct sunlight and UV (125 W Hg arc lamp, 10.4 mW/cm2) irradiation. The bare CdS nanorod (NR) exhibited higher photoactivity as compared to low activity of bare CdS (~10 nm) nanosphere (NS) and Au & Ag photodeposition highly improved the CdS nanorod photoactivity compared with Cu deposition. The fluorescence emission of CdS nanorod at 479 nm is also quenched due to m

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Rao, G. Venkata, F. Säuberlich, and A. Klein. "Influence of Mg content on the band alignment at CdS∕(Zn,Mg)O interfaces." Applied Physics Letters 87, no. 3 (2005): 032101. http://dx.doi.org/10.1063/1.1995951.

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Su, Yabin, Zedong Zeng, Haowen Chen, Zuosheng Lv, Cen Tan, and Congjin Chen. "Preparation and Photocatalytic Degradation Performance of C@CdxMn1−xS to Tetracycline Hydrochloride." Materials 18, no. 5 (2025): 1062. https://doi.org/10.3390/ma18051062.

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CdxMn1−xS solid solutions were synthesized by incorporating Mn2+ into CdS and the optimal ratio of Mn2+ to Cd2+ was explored via photocatalytic degradation performance for tetracycline (TC). Subsequently, the composite catalyst C@CdxMn1−xS was prepared by loading CdxMn1−xS onto the biomass gasification carbon residue (C) by hydrothermal method and characterized by various characterization tests. The optimal TC photodegradation condition and degradation mechanism catalyzed by C@CdxMn1−xS was investigated. The results showed Cd0.6Mn0.4S had the optimal photocatalytic degradation efficiency, whic

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Sonakya, V., N. Raizada, R. Dalhoff, and P. A. Wilderer. "Elucidation mechanism of organic acids production from organic matter (grass) using digested and partially digested cattle feed." Water Science and Technology 48, no. 8 (2003): 255–59. http://dx.doi.org/10.2166/wst.2003.0476.

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The process of anaerobic digestion is highly influenced by the environmental and operational factors like organic acids concentration and the reactor volume occupied by the feed material. The optimum level of organic acids is commonly assumed to be in the range between 2,500 and 3,500 mg/l for the anaerobic digestion process. It was observed that the production of total organic acids during hydrolysis of grass using cattle dung slurry (CDS) as the inoculum reached up to 4,850 mg/l in 6 days, while on the other hand it reached 5,700 mg/l within 4 days when rumen content was used as inoculum. Th

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Nguyen, Minh Kim, Duckshin Park, and Young-Chul Lee. "Influence of Chitosan-Based Carbon Dots on Astaxanthin Production of Green Alga Tetraselmis sp." Journal of Nanoscience and Nanotechnology 21, no. 7 (2021): 3689–96. http://dx.doi.org/10.1166/jnn.2021.19178.

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CDs are carbon fluorescent nanomaterials that have gained significant attention in recent years owing to their unique properties. In this work, we utilized a simple solution to produce CDs with func-tionalized amino groups via a one-step carbonization from a chitosan precursor. This simultaneous approach does not use special reagent for either the formation step or the amino-functionalization step of CDs. The as-prepared amino-functionalized CDs that possesses expected characteristics, such as nano-size distribution, monodispersible, high blue light emission, high absolute quantum yield of 5.5

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Shabbir, Hasan, Konrad Wojtaszek, Bogdan Rutkowski, et al. "Milk-Derived Carbon Quantum Dots: Study of Biological and Chemical Properties Provides Evidence of Toxicity." Molecules 27, no. 24 (2022): 8728. http://dx.doi.org/10.3390/molecules27248728.

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Carbon dots (CDs) are carbon-based zero-dimensional nanomaterials that can be prepared from a number of organic precursors. In this research, they are prepared using fat-free UHT cow milk through the hydrothermal method. FTIR analysis shows C=O and C-H bond presence, as well as nitrogen-based bond like C-N, C=N and –NH2 presence in CDs, while the absorption spectra show the absorption band at 280 ± 3 nm. Next, the Biuret test was performed, with the results showing no presence of unreacted proteins in CDs. It can be said that all proteins are converted in CDs. Photo luminance spectra shows the

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Zgura, Irina, Nicoleta Preda, Monica Enculescu, et al. "Cytotoxicity, Antioxidant, Antibacterial, and Photocatalytic Activities of ZnO–CdS Powders." Materials 13, no. 1 (2020): 182. http://dx.doi.org/10.3390/ma13010182.

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In this work, ZnO–CdS composite powders synthesized by a simple chemical precipitation method were thoroughly characterized. The morphological, structural, compositional, photocatalytical, and biological properties of the prepared composites were investigated in comparison with those of the pristine components and correlated with the CdS concentration. ZnO–CdS composites contain flower-like structures, their size being tuned by the CdS amount added during the chemical synthesis. The photocatalytic activity of the composites was analyzed under UV irradiation using powders impregnated with methy

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Suner, Selin S., Mehtap Sahiner, Aynur S. Yilmaz, Ramesh S. Ayyala, and Nurettin Sahiner. "Light-Activated Modified Arginine Carbon Dots as Antibacterial Particles." Catalysts 12, no. 11 (2022): 1376. http://dx.doi.org/10.3390/catal12111376.

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Nitrogen-doped arginine carbon dots (Arg CDs) as light-sensitive antibacterial agents were prepared by using citric acid as the carbon source and arginine amino acid as the nitrogen source via a microwave-assisted synthesis method. Dynamic light scattering (DLS) measurements and TEM images revealed that the Arg CDs were in the 1–10 nm size range with a graphitic structure. To improve their antibacterial capability, the Arg CDs were modified with ethyleneimine (EDA), pentaethylenehexamine (PEHA), and polyethyleneimine (PEI) as different amine sources, and the zeta potential value of +2.8 ± 0.6

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Zeng, Yu-yan, and Kun-yin Li. "Effects of Jiawei Shaoyao-Gancao Decoction and Its Drug-Containing Serum on Proliferation, Apoptosis, and Ultrastructure of Human Adenomyosis Foci Cells." Evidence-Based Complementary and Alternative Medicine 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/7821095.

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Objective. The present study aimed to investigate the effects of Jiawei Shaoyao-Gancao Decoction (JSGD) and its drug-containing serum (CDS) on the proliferation, apoptosis, and ultrastructure of human adenomyosis foci cells. Methods. Primary cultures of human adenomyosis foci cells were prepared from hard uterine lesions of adenomyosis patients. The cells were treated with JSGD (10 and 20 mg/ml), CDS, and mifepristone (MIF) for 24 or 48 h. Cell proliferation was detected using CCK-8 assay, cell apoptosis was measured by flow cytometry, and the cell ultrastructure was observed by transmission e

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Zhou, Jie, Xin Zhao, Haoming Xu, Zhichao Wang, Xiaoyuan Zhang, and Zhiqiang Su. "Integration of Carbon Dots on Nanoflower Structured ZnCdS as a Cocatalyst for Photocatalytic Degradation." Materials 16, no. 1 (2022): 366. http://dx.doi.org/10.3390/ma16010366.

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The application of catalysts is one of the most effective methods in the oil refining, chemical, medical, environmental protection, and other industries. In this work, carbon dots (CDs) were selected as an initiator and doped into the main catalyst, Zn0.2Cd0.8S, and a novel Zn0.2Cd0.8S@CD composite catalyst with a nanoflower structure was successfully obtained. The synthesized composites (Zn0.2Cd0.8S@CDs) were characterized by means of SEM, TEM, XRD, FT-IR, XPS, and UV-Vis DRS. Transient photocurrent response and Nyquist curve analysis further proved that the carrier separation efficiency of t

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Abdullah Issa, Mohammed, and Zurina Z. Abidin. "Sustainable Development of Enhanced Luminescence Polymer-Carbon Dots Composite Film for Rapid Cd2+ Removal from Wastewater." Molecules 25, no. 15 (2020): 3541. http://dx.doi.org/10.3390/molecules25153541.

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As a remedy for environmental pollution, a versatile synthetic approach has been developed to prepare polyvinyl alcohol (PVA)/nitrogen-doped carbon dots (CDs) composite film (PVA-CDs) for removal of toxic cadmium ions. The CDs were first synthesized using carboxymethylcellulose (CMC) of oil palms empty fruit bunch wastes with the addition of polyethyleneimine (PEI) and then the CDs were embedded with PVA. The PVA-CDs film possess synergistic functionalities through increasing the content of hydrogen bonds for chemisorption compared to the pure CDs. Optical analysis of PVA-CDs film was performe

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Wolfram, Witte, Carron Romain, Hariskos Dimitrios, Fu Fan, Menner Richard, and Buecheler Stephan. "IZO or IOH Window Layers Combined with Zn(O,S) and CdS Buffers for Cu(In,Ga)Se2 Solar Cells." Physica Status Solidi A 214, no. 12 (2017): 1700688. https://doi.org/10.1002/pssa.201700688.

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CdS and Zn(O,S) grown by chemical bath deposition are well-established buffer materials for Cu(In,Ga)Se<sub>2</sub> (CIGS) thin-film solar cells and modules. Typically these buffers were combined with a ZnO:Al (AZO) or ZnO:B window layer and i-ZnO or (Zn,Mg)O as high-resistive interlayer. Nowadays, alternative transparent conductive oxide (TCO) materials with higher mobility as compared to AZO like indium zinc oxide (IZO) and hydrogen-doped indium oxide (IOH) are under investigation. In the present contribution, we report on the performance of CIGS cells with solution-grown Zn(O,S) or CdS buff

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Zhao, Wen Xia, Yan Jing Zhang, and Er Hong Duan. "Photodegradation Characterizations of Gaseous Dichloromethane by the CdS/TiO₂/ACFs Composites." Advanced Materials Research 926-930 (May 2014): 178–81. http://dx.doi.org/10.4028/www.scientific.net/amr.926-930.178.

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Dichloromethane (CH2Cl2) is one of main components of odorous gases from pharmaceutical sewage treatment plants. In this work, firstly the CdS/TiO2 loaded on ACFs composite photocatalysts was prepared. Gaseous CH2Cl2 was selected as the model reactant, the photocatalytic activities of CdS/TiO2/ACFs composites had been investigated. The results showed that the degradation rate of CH2Cl2, when the light was turned on after the CdS/TiO2/ACFs composites were saturated, was significantly higher and could maintain a longer time than that one of direct light. At initial stage, the degradation rate of

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Pikula, Konstantin, Seyed Ali Johari, Ralph Santos-Oliveira, and Kirill Golokhvast. "Individual and Binary Mixture Toxicity of Five Nanoparticles in Marine Microalga Heterosigma akashiwo." International Journal of Molecular Sciences 23, no. 2 (2022): 990. http://dx.doi.org/10.3390/ijms23020990.

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The investigation of the combined toxic action of different types of nanoparticles (NPs) and their interaction between each other and with aquatic organisms is an important problem of modern ecotoxicology. In this study, we assessed the individual and mixture toxicities of cadmium and zinc sulfides (CdS and ZnS), titanium dioxide (TiO2), and two types of mesoporous silicon dioxide (with no inclusions (SMB3) and with metal inclusions (SMB24)) by a microalga growth inhibition bioassay. The counting and size measurement of microalga cells and NPs were performed by flow cytometry. The biochemical

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Xia, Na, Yanquan Liu, Dan Gao та Siming Zhu. "Molecular Interaction and Solubilization Efficiency of Neohesperidin in Ternary Systems with Hydroxypropyl-β-cyclodextrin and Meglumine". Foods 13, № 19 (2024): 3143. http://dx.doi.org/10.3390/foods13193143.

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The solubilization of poorly water-soluble natural bioactive compounds remains a significant challenge. This study aims to design a ternary inclusion system to enhance the solubility of the poorly water-soluble compound Neohesperidin (NH). Soluble ternary cyclodextrin complexations (t-CDs) containing NH, 2-hydroxypropyl-β-cyclodextrin (HP-β-CD), and meglumine (MEG) were prepared and optimized. The optimized t-CDs were further characterized using Scanning Electron Microscopy (SEM), Powder X-ray Diffraction (PXRD), Differential Scanning Calorimetry (DSC), Fourier Transform Infrared Spectroscopy

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Okamoto, Takeshi, Takashi Ikeya, and Katsuyuki Fukuda. "Crowned Dens Syndrome Occurring after Endoscopic Submucosal Dissection for Early Gastric Cancer." Case Reports in Gastroenterology 15, no. 1 (2021): 22–27. http://dx.doi.org/10.1159/000510163.

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Crowned dens syndrome (CDS) is a rare form of pseudogout which causes acute neck pain due to calcium pyrophosphate dehydrate deposition surrounding the odontoid process, commonly causing neck pain with rigidity. While invasive procedures such as surgery are known to present a risk of acute pseudogout, reports of occurrence after endoscopic procedures are scarce. We report the case of a 75-year-old man who presented with sudden neck pain after endoscopic submucosal dissection (ESD) for gastric cancer. He could nod but could not rotate his head. Computed tomography showed calcifications surround

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Rai, Praveer, CR Lokesh, Amit Goel, and Rakesh Aggarwal. "Endoscopic ultrasound-guided choledochoduodenostomy using partially-covered self-expandable metal stent in patients with malignant distal biliary obstruction and unsuccessful ERCP." Endoscopy International Open 06, no. 01 (2018): E67—E72. http://dx.doi.org/10.1055/s-0043-120664.

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Abstract Background and study aims Endoscopic ultrasound-guided choledochoduodenostomy (EUS-CDS) is an alternative to percutaneous transhepatic biliary drainage (PTBD) for patients with malignant distal biliary obstruction in whom ERCP has failed. We studied technical success, clinical success, stent patency rate and occurrence of adverse events in patients undergoing EUS-CDS with partially-covered self-expanding metal stent (PCSEMS). Patients and methods Medical records of consecutive patients with unresectable malignant distal biliary obstruction requiring biliary drainage who underwent EUS-

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Zhu, Kefu, Lizhe Ma, Jieli Duan, Zhiyong Fang, and Zhou Yang. "Photocatalytic Degradation of Tetracycline Hydrochloride Using TiO2/CdS on Nickel Foam Under Visible Light and RSM–BBD Optimization." Catalysts 15, no. 2 (2025): 113. https://doi.org/10.3390/catal15020113.

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This study investigates the photocatalytic degradation of tetracycline hydrochloride (TCH) using a TiO2/CdS composite nanocatalyst synthesized on flexible nickel foam via a dipping–pull method. By comparing the photocatalytic degradation of TCH by TiO2/CdS with different precursor ratios, it was found that TiO2/CdS-1.43% exhibited better photocatalytic degradation performance. The X-ray diffraction (XRD) pattern of the TiO2/CdS composite retains the characteristic peaks of both TiO2 and CdS, indicating the successful formation of the composite. According to the analysis of ultraviolet–visible

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Mehta, Jyoti, Nishant Kumar, Rakesh Kr Singh, Moharana Choudhury, G. P. Singh, and Kuldeep Bauddh. "Synthesis, characterization and impact of cadmium sulfide nanoparticles on the growth, pigment content and anti-oxidative defence system of Pistia stratiotes." Journal of Medical Pharmaceutical and Allied Sciences 12, no. 4 (2023): 5991–98. http://dx.doi.org/10.55522/jmpas.v12i4.4139.

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Cadmium Sulfide nanoparticles (CdS NPs) were synthesised and their characteristics were evaluated using XRD (X-ray diffraction), FTIR (Fourier transform infrared), FESEM (Field emission scanning electron microscopy), EDAX (Energy Dispersive X-ray Analysis), and UV-Vis (Ultraviolet-visible). Further, the impacts of CdS NPs on the growth, pigment content and antioxidative defence system of Pistia stratiotes were studied. The exposure of CdS NPs to Pistia stratiotes caused the negative repercussions, which were tested using a variety of biological tests. The findings demonstrated that CdS NPs wer

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Yang, Jiachuan, Zhixin Luo, and Min Wang. "Novel Fluorescent Nanocellulose Hydrogel Based on Nanocellulose and Carbon Dots for Detection and Removal of Heavy Metal Ions in Water." Foods 11, no. 11 (2022): 1619. http://dx.doi.org/10.3390/foods11111619.

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Water is an important raw material in the food production process. Maintaining the quality and safety of water is very important in the food field. In this study, a simple novel fluorescent nanocellulose hydrogel (FNH) was prepared for the detection and removal of heavy metals (Fe3+ and Pb2+) in aqueous solutions based on carbon dots (CDs). The CDs were grafted onto the carboxylated nanocellulose (CNC) by the EDC/NHS coupling method, and then the nanocellulose (NC), CNC, and FNH were characterized by FTIR analysis. The effect of adsorption environment on FNH adsorption capacity was also invest

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Sood, Mohit, Poorani Gnanasambandan, Damilola Adeleye, et al. "Electrical barriers and their elimination by tuning (Zn,Mg)O buffer composition in Cu(In,Ga)S₂ solar cells: systematic approach to achieve over 14% power conversion efficiency." Journal of Physics: Energy 4, no. 4 (2022): 045005. http://dx.doi.org/10.1088/2515-7655/ac8838.

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Abstract Traditional cadmium sulfide (CdS) buffer layer in selenium-free Cu(In,Ga)S2 solar cells leads to reduced open-circuit voltage because of a negative conduction band offset at the Cu(In,Ga)S2/CdS interface. Reducing this loss necessitates the substitution of CdS by an alternative buffer layer. However, the substitute buffer layer may introduce electrical barriers in the device due to unfavorable band alignment at the other interfaces, such as between buffer/ZnO i-layer. This study aims to reduce interface recombinations and eliminate electrical barriers in Cu(In,Ga)S2 solar cells using

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He, Yu, Junping Wang, and Shuo Wang. "Rapid Detection of Kaempferol Using Surface Molecularly Imprinted Mesoporous Molecular Sieves Embedded with Carbon Dots." International Journal of Analytical Chemistry 2020 (July 10, 2020): 1–8. http://dx.doi.org/10.1155/2020/5819062.

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This work demonstrates rapid sensing of kaempferol using active sensing material synthesized using the one-pot surface-imprinting synthesis method. This sensor consisted of molecularly imprinted polymer (MIP) consisting of mesoporous molecular sieves (SBA-15) loaded with carbon dots (CDs). Fourier transform infrared (FT-IR) spectroscopy confirmed successful incorporation of CDs onto the surface of imprinted mesoporous molecular sieves. Ordered hexagonal arrays of CDs@SBA-15@MIP mesopore structure were confirmed with transmission electron microscopy. Fluorescence intensity of CDs@SBA-15@MIP com

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Jia, Fei, Xudong Yang, and Zhenyu Li. "Synthesis and application of colloidal beta-cyclodextrin-decorated silver nanoparticles for rapid determination of malachite green in environmental water using surface-enhanced Raman spectroscopy." RSC Advances 6, no. 95 (2016): 92723–28. http://dx.doi.org/10.1039/c6ra22387g.

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Reshetnyak, E. A., N. N. Nemets, O. S. Chernyshova, A. V. Panteleimonov, and V. M. Ostrovskaya. "Visual Binary Testing Of Hydrogen Sulfide Dissolved In Return Underground Local-Water Of Oil And Gas Condensate Fields." Methods and Objects of Chemical Analysis 14, no. 3 (2019): 146–52. http://dx.doi.org/10.17721/moca.2019.146-152.

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In order to screen samples of return underground local-water of oil and gas condensate fields for the presence of dissolved hydrogen sulfide, it was proposed to use single comparison sample for visual binary testing of H2S. Two indicator reactions occurring in solutions were selected — the formation of a stabilized suspension of MnS and CdS. Suspensions prepared in the presence of borate buffer (pH 9.18) and gelatin (stabilizer) are stable during the twenty four hours; a difference in the turbidity of suspensions can be observed near the normalized concentration of hydrogen sulfide (сlim = 15

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