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Zeferino, Raul Sanchez,Pal, Umapada,Reues, Ma Eunice De Anda,Rosas, Efrain Rubio Techno-Press 2019 Advances in nano research Vol.7 No.1
Well-crystalline $SnO_2$ nanoparticles of 4-5 nm size with different In contents were synthesized by hydrothermal process at relatively low temperature and characterized by transmission electron microscopy (TEM), microRaman spectroscopy and photoluminescence (PL) spectroscopy. Indium incorporation in $SnO_2$ lattice is seen to cause a lattice expansion, increasing the average size of the nanoparticles. The fundamental phonon vibration modes of $SnO_2$ lattice suffer a broadening, and surface modes associated to particle size shift gradually with the increase of In content. Incorporation of In drastically enhances the PL emission of $SnO_2$ nanoparticles associated to deep electronic defect levels. Although In incorporation reduces the band gap energy of $SnO_2$ crystallites only marginally, it affects drastically their dye degradation behaviors under UV illumination. While the UV degradation of methylene blue (MB) by undoped $SnO_2$ nanoparticles occurs through the production of intermediate byproducts such as azure A, azure B, and azure C, direct mineralization of MB takes place for In-doped $SnO_2$ nanoparticles.
( Hector Raul Ibarra Sifuentes ),( Victor Ivan Segura Huicochea ),( Perla Rocio Colunga Pedraza ),( Miguel Angel Flores Caballero ),( Jose Guadalupe Martinez Jimenez ),( Concepcion Sanchez Martinez ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: Patients on hemodialysis have a death rate adjusted for age four to fi ve times higher than the general population, so early nephrology referral affects survival, also the presence of hypoalbuminemia, hyperphosphatemia, and anemia. Methods: Descriptive, observational, prospective, Unicentric Trial, involved patients with ESRD who entered the emergency area in a teaching hospital, indicating Interventional Hemodialysis (HI), which were studied for 90 days; Demographic, clinical and laboratory data were collected. Patients were followed by phone call and meeting at 30, 60 and 90 post-HI days. Statistical analysis were realized with SPSS 18 for Windows, performed descriptive statistics and survival by Kaplan-Meier was conducted. Results: In this trial were included 41 patients, mean age 50.59 years (range 17-76 years), 23 men (56.1%). The rating for nephrologist was recorded in 9 (22%). The data results were Albumin, 2.88 ± 0.57 mg/dL, phosphate, 9.48 ± 2.90 mg/dL, Hemoglobin 7.22 ± 1.42 g/dL. From the total of patients, 15 (36.6%) died within 90 days; of which 9 (60.9%) were men; Albumin levels were lower in those who died when compare with the living (2.79 vs 2.93), phosphate levels were higher when compare to living (9.97 vs 9.20); and the level of Hb was higher in those who died (7.5 vs 7.0). Survival rates at 30, 60 and 90 days were 92.7%, 85.4% and 63.4% respectively. Conclusions: Mortality found in this study is high compared with reported worldwide. When the nephrologist referral was analyzed, patients who died were the same as the number of patients without prior reference. Hypoalbuminemia and hyperphosphatemia correlate with mortality, as demonstrated in previous studies. Importantly, in our population, patients who died, had a higher hemoglobin level when compare with survivors.
Erasmo Saucedo Uribe,Samuel Enrique Olivares Mundo,Raul Ricardo Medrano Garza,Fernando Diaz Gonzalez-Colmenero,Lorena Martinez Sanchez,Cesar Bigran Espinosa Cantu,Martin Moreno Arellano,Yessica Yaneth 대한신경정신의학회 2023 PSYCHIATRY INVESTIGATION Vol.20 No.12
Objective To find the safety of long-acting injectable antipsychotics (LAIs) compared to each other, and/or placebo in the treatment of schizophrenia (SCZ) and/or schizoaffective disorder (SZA).Methods We performed a systematic review and a network meta-analysis of randomized controlled trials (RCTs) comparing the safety of LAIs versus other LAIs or placebo in adults diagnosed with SCZ or SZA. The primary outcomes were treatment emergent adverse events (TEAEs), serious treatment emergent adverse events (STEAEs), and deaths. The secondary outcomes included treatment discontinuations due to adverse events and all-cause discontinuations.Results Seventeen RCTs were included (n=7,908). There were no significant differences between LAIs and placebo in the risk of presenting TEAEs. LAIs had a significant lower risk of presenting STEAEs except for aripiprazole. No significant differences in deaths were found. LAIs showed a significant protective effect against all-cause discontinuation, except for haloperidol. Only aripiprazole had a significantly lower risk of treatment discontinuation due to adverse events.Conclusion We found no significant differences in the risk of presenting TEAEs between LAIs and placebo. The majority of LAIs had a significantly lower risk of presenting STEAEs than placebo. Development of international guidelines for the report of safety outcomes related to antipsychotics especially for LAIs in clinical trials could minimize report and interpretation biases and improve the accuracy of posterior meta-analysis.
Jeong Hyub Ha,JONG MOON PARK,Sang Do Yook,Raul Sanchez Sanchez 한국화학공학회 2016 Korean Journal of Chemical Engineering Vol.33 No.6
Food wastewater (FWW) and sewage sludge (SS) were used to control the C :N ratio in cultures as a method to increase lipid production by microbial species in SS. FWW and SS were mixed in volumetric ratios (FWW: SS) of 5 : 0 (F5), 4 : 1 (F4), or 3 : 2 (F3). Compared to raw SS, total lipid content production was increased by 263% in F5, 142% in F4, and 111% in F3. These results were caused by increases in the concentrations of triglycerides (TAGs) during lipid enhancement. The fatty acid methyl ester content of TAGs (wt% of extract) was 25.3 in F5, 20.2 in F4 and 13.25 in F3; these were significant improvements over biodiesel production using raw SS. C16:0 fatty acid was mostly converted to C18:1 fatty acid; this is an important result because the proportion of C18:1 strongly influences the quality of biodiesel. This is the first effort to produce biodiesel using FWW instead of synthetic medium as a carbon source. Hence, this study provides a useful solution for treating organic wastes (SS and FWW) simultaneously; this strategy may be an economically viable method for producing biodiesel from organic wastes.
Silencing the cleavage factor CFIm25 as a new strategy to control Entamoeba histolytica parasite
Juan David Ospina-Villa,Nancy Guillén,Ce´sar Lo´pez-Camarillo,Jacqueline Soto-Sanchez,Esther Ramirez-Moreno,Raul Garcia-Vazquez,Carlos A. Castañon-Sanchez,Abigail Betanzos,Laurence A.Marchat 한국미생물학회 2017 The journal of microbiology Vol.55 No.10
The 25 kDa subunit of the Clevage Factor Im (CFIm25) is an essential factor for messenger RNA polyadenylation in human cells. Therefore, here we investigated whether the homologous protein of Entamoeba histolytica, the protozoan responsible for human amoebiasis, might be considered as a biochemical target for parasite control. Trophozoites were cultured with bacterial double-stranded RNA molecules targeting the EhCFIm25 gene, and inhibition of mRNA and protein expression was confirmed by RT-PCR and Western blot assays, respectively. EhCFIm25 silencing was associated with a significant acceleration of cell proliferation and cell death. Moreover, trophozoites appeared as larger and multinucleated cells. These morphological changes were accompanied by a reduced mobility, and erythrophagocytosis was significantly diminished. Lastly, the knockdown of EhCFIm25 affected the poly(A) site selection in two reporter genes and revealed that EhCFIm25 stimulates the utilization of downstream poly(A) sites in E. histolytica mRNA. Overall, our data confirm that targeting the polyadenylation process represents an interesting strategy for controlling parasites, including E. histolytica. To our best knowledge, the present study is the first to have revealed the relevance of the cleavage factor CFIm25 as a biochemical target in parasites.