Enhancing the efficiency of CsPbX3 (X = Cl, Br, I) nanocrystals via simultaneous surface peeling and surface passivation

Nanoscale ◽  
2019 ◽  
Vol 11 (24) ◽  
pp. 11464-11469 ◽  
Author(s):  
Xinyu Shen ◽  
Shixun Wang ◽  
Xiangtong Zhang ◽  
Hua Wang ◽  
Xiaoyu Zhang ◽  
...  
Keyword(s):  
Surface Passivation ◽  
Treatment Time ◽  
Appropriate Treatment ◽  
Visible Spectra ◽  
Ammonium Hexafluorophosphate

A mechanism of simultaneous surface peeling and passivation by choosing an appropriate treatment time with ammonium hexafluorophosphate was verified to improve the PLQY of CsPbX3 (X = Cl, Br, I) PNCs covering the entire visible spectra effectively.

scholarly journals Effect of Processing Methods on the Physicochemical, Antinutrient and Pasting Properties of Three Commonly Consumed Soup Thickeners in Nigeria

2019 ◽  
pp. 1-16
Author(s):  
J. Eke-Ejiofor ◽  
C. U. Awajiogak
Keyword(s):  
Treatment Time ◽  
Amylose Content ◽  
Pasting Properties ◽  
Antinutritional Factors ◽  
Absorption Capacity ◽  
Peak Time ◽  
Processing Methods ◽  
Appropriate Treatment ◽  
Pasting Temperature ◽  
Gelation Concentration

The effect of processing methods on the physicochemical, functional, anti-nutrient factors and pasting properties of Mucuna sloanei (ukpo), Brachystegia eurycoma (achi) and Daterium microcarpum (ofor) were assessed using standard methods. Flour from these seeds were produced after boiling and soaking at different time intervals.  The moisture and ash contents of the three soup thickeners ranged between 5.58- 8.92% and 1.14-5.59% with sample B1 (achi boiled for 15 min) and C4 (ofor soaked for 48 h) having the lowest while sample B2 (achi boiled for 30 min) and C1 (ofor boiled for 15 min) having the highest. Crude Fat and fibre contents ranged from 2.90-10.95% and 1.30-14.39% with samples C1 and A1 (ukpo boiled for 15 min) as the highest respectively. Crude protein and carbohydrate contents of soup thickeners ranged between 9.19 -21.31% and 45.01-71.38% with samples A3 (ukpo soaked for 24 h) and B4 (achi soaked for 48 h) as the highest. Sugar and starch contents ranged from 2.61-5.04% and from 69.00-74.27% respectively with sample C4 and A4 (ukpo soaked for 48 h) as the lowest and sample A3 and B3 (Achi soaked for 24 h) as the highest. Amylose content increased with boiling and decreased with soaking which was the reverse amylopectin. Functional properties showed bulk density and dispersibility to range between 0.56-0.76 g/ml and 32.50-48-00% with sample B3 (achi soaked for 24 h) as highest in both cases. Solubility and swelling power ranged from 32.56-107.51% and from 4.61-8.72 g/g with sample A2 (ukpo boiled for 30 min) and A1 having the highest respectively. Foam capacity ranged from 2.50-29.50% with sample C2 (ofor soaked for 48 h) having the lowest and sample A1 having the highest, while the least gelation concentration of the three soup thickeners recorded 2.00% for all the treatments. Water absorption capacity ranged between 0.67-10.46 ml/g with B1 having the lowest and sample C2 having the highest. Antinutritional factors showed that phytate recorded 0.01 g/kg for all the treatments, tannin ranged from 2.22-40.71 mg/kg, oxalate between 3.40-7.90mg/100g and saponin between 2.60-9.18% with different treatments affecting the antinutrients. Free fatty acid, peroxide value, saponification and acid values increased with an increase in treatment time while iodine value decreased as processing time increased. Pasting result showed that treatment and time affected pasting properties with the highest values as peak viscosity 16429RVU, trough viscosity 9231RVU, breakdown 7858RVU, final viscosity 19977RVU and set back viscosity 13004RVU respectively. Peak time and pasting temperature ranged between 1.60-6.10 min and between 50.25-76.18°C for the different treatments. This study shows the need for appropriate treatment and time combination for better nutrient availability and detoxification of these seeds as soup thickeners.

scholarly journals Treatment of Class II Division 2 Malocclusion Using the Forsus Fatigue Resistance Device and 5-Year Follow-Up

2016 ◽  
Vol 2016 ◽  
pp. 1-7
Author(s):  
Ezgi Atik ◽  
Ilken Kocadereli
Keyword(s):  
Fatigue Resistance ◽  
Treatment Time ◽  
Class Ii ◽  
Deep Bite ◽  
Appropriate Treatment ◽  
Long Term Follow Up ◽  
Mandibular Retrusion ◽  
Division 2

This case report presents the treatment of a 14-year-and-8-month-old boy with Class II division 2 mandibular retrusion, severe deep bite, and concave profile. The Forsus fatigue resistance device (FRD) was effective in correcting both skeletal and dental parameters. At 5-year posttreatment follow-up, the teeth were well aligned and the occlusion was stable. FRD application with appropriate treatment time can result with prominent changes in the facial profile and dentition, and the outcomes can be maintained at the long-term follow-up periods.

scholarly journals Facile Process for Surface Passivation Using (NH4)2S for the InP MOS Capacitor with ALD Al2O3

Materials ◽  
2019 ◽  
Vol 12 (23) ◽  
pp. 3917
Author(s):  
Jung Sub Lee ◽  
Tae Young Ahn ◽  
Daewon Kim
Keyword(s):  
Photoelectron Spectroscopy ◽  
Surface Passivation ◽  
Treatment Time ◽  
Oxide Semiconductor ◽  
Native Oxide ◽  
Mos Capacitors ◽  
Mos Capacitor ◽  
Ammonium Sulfide ◽  
Inp Substrate ◽  
Capacitance Voltage

Ammonium sulfide ((NH4)2S) was used for the passivation of an InP (100) substrate and its conditions were optimized. The capacitance–voltage (C–V) characteristics of InP metal-oxide-semiconductor (MOS) capacitors were analyzed by changing the concentration of and treatment time with (NH4)2S. It was found that a 10% (NH4)2S treatment for 10 min exhibits the best electrical properties in terms of hysteresis and frequency dispersions in the depletion or accumulation mode. After the InP substrate was passivated by the optimized (NH4)2S, the results of x-ray photoelectron spectroscopy (XPS) and the extracted interface trap density (Dit) proved that the growth of native oxide was suppressed.

scholarly journals Perawatan maloklusi Klas III pada usia tumbuh kembang

2010 ◽  
Vol 9 (2) ◽  
pp. 130
Author(s):  
Nada Ismah
Keyword(s):  
Case Report ◽  
Treatment Period ◽  
Initial Treatment ◽  
Treatment Time ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Appropriate Treatment ◽  
Growing Age ◽  
Proper Diagnosis ◽  
Clinical Conditions

Various controversies arise on the appropriate treatment time to treat class IIImalocclusion at the development age. One reason for delay is that the treatment willmake the treatment period longer. Nevertheless, there are other reasons that believethe class III malocclusion must be treated as soon as possible. Accuracy ofexamination is required to obtain the proper diagnosis to determine treatmentoptions. Clinical conditions found in the class III malocclusion can be underdevelopedof maxillae, overdeveloped the mandible, or combination of both. Treatment of classIII malocclusion at the growing age may prevent further severity. A case report of 11yearold boy with class III malocclusion. He is treated with fixed orthodontics toremove obstruction on the maxillae growth. Many treated progression are obtained,although it is still continuing to be continued to maintain the treatmentstabilization. Initial treatment for the class III Malocclusion at the growing age canprevent further severity.

scholarly journals Photoelectrocatalytic Oxidation of Textile Industry Wastewater by RuO2/IrO2/TaO2 Coated Titanium Electrodes

2021 ◽  
Vol 20 (3) ◽  
Author(s):  
R. Rathinam ◽  
M. Govindaraj
Keyword(s):  
Current Density ◽  
Textile Industry ◽  
Electrolyte Concentration ◽  
Treatment Time ◽  
Photoelectrocatalytic Oxidation ◽  
Decolorization Efficiency ◽  
Secondary Pollutants ◽  
Visible Spectra ◽  
True Color ◽  
Industry Wastewater

Photoelectrocatalytic Oxidation (PECO) system prominently increases the migration of photoexcited charges, hinders the fast recombination of electron-hole, and increases the period of photogenerated holes. In this article, we constructed a novel PECO system to degrade textile industry wastewater by RuO2/IrO2/TaO2 coated titanium electrodes. The result shows that PECO treatment can effectively reduce the color and true color of the secondary pollutants present in the wastewater. It is confirmed that a synergistic effect exists between photocatalysis (PC) and electrocatalysis (EC). Moreover, we discussed the influence of pH, current density, electrolyte concentration, and stirring speed. The maximum decolorization efficiency of textile industry wastewater with a pH of 8.2 was found to be 96% under the optimum condition stirrer speed of 200 rpm, an electrolyte concentration of 0.05M, a current density of 15 mA.cm-2, and at a treatment time of 30 mins. The UV-Visible spectra confirm the degradation of textile industry wastewater.

Special Considerations for Evaluation and Treatment of Spanish-Speaking Patients with Cleft Palate

2016 ◽  
Vol 1 (5) ◽  
pp. 41-49
Author(s):  
Ellen Moore
Keyword(s):  
Cleft Palate ◽  
The United States ◽  
Culturally Competent ◽  
Speech Language Pathology ◽  
Spanish Speaking ◽  
Appropriate Treatment ◽  
Oral Pressure ◽  
Language Pathology ◽  
History Of ◽  
Spanish Speaking Population

As the Spanish-speaking population in the United States continues to grow, there is increasing need for culturally competent and linguistically appropriate treatment across the field of speech-language pathology. This paper reviews information relevant to the evaluation and treatment of Spanish-speaking and Spanish-English bilingual children with a history of cleft palate. The phonetics and phonology of Spanish are reviewed and contrasted with English, with a focus on oral pressure consonants. Cultural factors and bilingualism are discussed briefly. Finally, practical strategies for evaluation and treatment are presented. Information is presented for monolingual and bilingual speech-language pathologists, both in the community and on cleft palate teams.

Non-invasive ultrasound-based imaging of atherosclerosis

VASA ◽  
2019 ◽  
Vol 48 (2) ◽  
pp. 126-133 ◽  
Author(s):  
Mathias Kaspar ◽  
Iris Baumgartner ◽  
Daniel Staub ◽  
Heinz Drexel ◽  
Christoph Thalhammer
Keyword(s):  
Large Population ◽  
Treatment Strategies ◽  
Intima Media Thickness ◽  
Scientific Work ◽  
Flow Mediated Dilation ◽  
Non Invasive ◽  
Grey Scale ◽  
Current Review ◽  
Appropriate Treatment ◽  
Contrast Enhanced

Abstract. Early detection of vascular damage in atherosclerosis and accurate assessment of cardiovascular risk factors are the basis for appropriate treatment strategies in cardiovascular medicine. The current review focuses on non-invasive ultrasound-based methods for imaging of atherosclerosis. Endothelial dysfunction is an accepted early manifestation of atherosclerosis. The most widely used technique to study endothelial function is non-invasive, flow-mediated dilation of the brachial artery under high-resolution ultrasound imaging. Although an increased intima-media thickness value is associated with future cardiovascular events in several large population studies, systematic use is not recommended in clinical practice for risk assessment of individual persons. Carotid plaque analysis with grey-scale median, 3-D ultrasound or contrast-enhanced ultrasound are promising techniques for further scientific work in prevention and therapy of generalized atherosclerosis.

Infrared and UV-visible spectra of layer semiconductors Gas, GaSe and GaTe

1977 ◽  
Vol 38 (10) ◽  
pp. 1293-1299 ◽  
Author(s):  
U. Giorgianni ◽  
G. Mondio ◽  
P. Perillo ◽  
G. Saitta ◽  
G. Vermiglio
Keyword(s):  
Visible Spectra ◽  
Uv Visible
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