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- 저자 : Kempaiah, Devaraju M. (검색결과 5 건)
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Joseph, Stalin,Kempaiah, Devaraju M.,Benzigar, Mercy,Baskar, Arun V.,Talapaneni, Siddulu N.,Jhung, Sung Hwa,Park, Dae-Hwan,Vinu, Ajayan The Royal Society of Chemistry 2017 Journal of Materials Chemistry A Vol.5 No.40
<P>In this work, we report a simple and versatile method for the preparation of mesoporous carbon nitrides (MCNs) functionalized with highly dispersed chromium oxide nanoparticles by using a metal organic framework, MIL-100(Cr), as a template and aminoguanidine hydrochloride (AG) as a high nitrogen content single molecular precursor. We are able to synthesise these metal oxide functionalized MCN materials with single step carbonization but without using any toxic template removal process using HF or NaOH. The absence of a washing procedure with toxic acid also allows the incorporation of a large amount of metal oxide particles inside the porous channels of MCNs. The obtained MCN materials exhibit a high specific surface area and a large pore volume. The AG to template ratios are varied to control the amine functional groups and the textural parameters including the specific surface area and pore volume. It is found that the AG to template ratio of 1.5 is the best condition to obtain MCNs with a specific surface area of 1294 m<SUP>2</SUP> g<SUP>−1</SUP>, which is the highest value reported so far for MCN-based materials. FT-IR and XPS results reveal that the prepared materials contain free NH2 groups within the CN network which help to anchor metal oxide nanoparticles and provide highly dispersed basic sites. These functionalized MCN materials are also used as adsorbents for CO2 capture. Among the materials studied, the MCN with the highest specific surface area shows the largest CO2 adsorption capacity (16.8 mmol g<SUP>−1</SUP>) which is much higher than those of MCN materials prepared from SBA-15 and KIT-6, activated carbon, MIL-100(Cr), SBA-15, and multiwalled carbon nanotubes. This high adsorption capacity is mainly due to the strong synergistic effect between the MCN with high specific surface area and highly dispersed metal oxide nanoparticles.</P>
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Sneharaj N,Akhilesh Sharma,Madhusudhan Kempaiah Siddaiah,Priya Subramaniam 대한치과마취과학회 2024 Journal of Dental Anesthesia and Pain Medicine Vol.24 No.2
Background: Administering anesthesia in dentistry can be distressing for patients, especially those with dental fear and anxiety. Needle pain during local anesthesia is a common concern in intraoral procedures. This study aimed to compare pain perception in 4–6-year-old children following intraoral dental injections with 26- and 31-gauge needles. Methods: Fifty healthy children were divided according to age into Group I (N = 25; 4–5 years) and Group II (N = 25; 5–6 years). Each group was further subdivided according to the needle gauge as follows: Group IA (26 gauge), Group IB (31 gauge), Group IIA (26 gauge), and Group IIB (31 gauge). Using a lottery method, the gauge of the needle to be used at the first visit for local anesthesia administration was selected. Children’s reactions to pain were evaluated using a Modified Behavioral Pain Scale. Immediately after administration of local anesthesia, pain perception was evaluated using the Faces pain rating scale. In the subsequent visit, another needle gauge was used to administer local anesthesia, and the previously described evaluations were performed. At the third appointment, the child was shown both syringes and asked to choose one of the syringes they preferred, and the choice was noted. Results: When local anesthesia was administered using a 31-gauge needle, pain perception was similar between the two groups. In group II, the children demonstrated significantly higher arm and leg movements (P = 0.001). However, the difference was significant in group I alone (P < 0.001). Conclusion: Irrespective of age, anesthesia with a 31-gauge needle resulted in significantly lower pain perception than anesthesia with a 26-gauge needle.
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Growth and Foliar Constituents of Mulberry (M5) Cultivated under Organic Based Nutrient Management
Krishnegowda Rashmi,Maruvanahalli Ankegowda Shankar,Kaluvarahalli Ramanna Shashidhar,Talagavara Kempaiah Narayanaswamy 한국잠사학회 2009 International Journal of Industrial Entomology Vol.19 No.1
A field experiment to evaluate the effect of application of different organic manures and inorganic fertilizers on growth, yield and quality of leaf was studied during 2004-05 has showed that, the application of 10 kg each of Azospirillum brasilense and Aspergillus awamori+20% each of recommended N through compost+green manure (Glyricidia maculata)+castor cake+vermicompost+Urea and remaining P and K through fertilizers (T11) has recorded significantly higher leaf yield (250 g/plant and 34.70 tonnes/ha/yr, respectively) with improvement in growth characters as comparedto control. Leaf quality status was also improved in terms of N (3.19%), P (1.97%), K (1.28%), total soluble protein (8.39 mg/ml), total soluble sugars (14.40 mg/ml), secondary nutrients viz., Ca (3.00%), Mg (0.60%), S (0.35%) and micronutrients viz., Cu (0.410 ppm), Mn (0.454 ppm) and Zn (0.112 ppm) contents. The mulberry grown with 20 tonnes of compost+300:120:120 Kg of NPK/ha/year through fertilizer ranked second for growth and foliar constituents.
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Sialidosis type I without cherry red spot – Is there a genetic basis?
Koti Neeraja,Vikram Venkappayya Holla,Shweta Prasad,Bharath Kumar Surisetti,Kempaiah Rakesh,Nitish Kamble,Ravi Yadav,Pramod Kumar Pal 대한파킨슨병및이상운동질환학회 2021 Journal Of Movement Disorders Vol.14 No.1
Sialidosis is an inborn error of metabolism due to a defect in the NEU1 gene and manifests as two phenotypes: mild type I and severe type II. The cherry red spot (CRS) is a characteristic feature in both types of sialidosis; reports of sialidosis without a CRS are rare. We report two cases of genetically confirmed sialidosis type I with a typical presentation of progressive cortical myoclonus and ataxia but without the CRS. A previously reported homozygous pathogenic variant p.Arg294Cys was detected in the first case, and a novel homozygous pathogenic variant p.Arg305Pro was detected in the second case. Additionally, we reviewed the literature describing cases with similar mutations to find a genetic basis for the absence of a CRS. Milder mutation of both alleles detected in both patients may be the reason for the absence of a CRS.
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Rashmi, Krishnegowda,Shankar, Maruvanahalli Ankegowda,Shashidhar, Kaluvarahalli Ramanna,Narayanaswamy, Talagavara Kempaiah Korean Society of Sericultural Science 2009 International Journal of Industrial Entomology Vol.19 No.1
A field experiment to evaluate the effect of application of different organic manures and inorganic fertilizers on growth, yield and quality of leaf was studied during 2004-05 has showed that, the application of 10 kg each of Azospirillum brasilense and Aspergillus awamori+20% each of recommended N through compost+green manure (Glyricidia maculata)+castor cake+vermicompost+Urea and remaining P and K through fertilizers ($T_{11}$) has recorded significantly higher leaf yield (250 g/ plant and 34.70 tonnes/ha/yr, respectively) with improvement in growth characters as compared to control. Leaf quality status was also improved in terms of N (3.19%), P (1.97%), K (1.28%), total soluble protein (8.39 mg/ml), total soluble sugars (14.40 mg/ml), secondary nutrients viz., Ca (3.00%), Mg (0.60%), S (0.35%) and micronutrients viz., Cu (0.410 ppm), Mn (0.454 ppm) and Zn (0.112 ppm) contents. The mulberry grown with 20 tonnes of compost+300:120:120 Kg of NPK/ha/year through fertilizer ranked second for growth and foliar constituents.
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