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Efectos de la Política Monetaria, Fiscaly Comercial en el Crecimiento Económico en México
Juan Marroquin Arreola,Humberto Rios Bolivar 한국라틴아메리카학회 2012 라틴아메리카연구 Vol.25 No.1
This study analyzes the effects of monetary policy, fiscal policy and trade policy on economic growth in Mexico. The model presented here indicates that monetary policy is likely to be ineffective in the short and long term for economic growth. However fiscal and trade policy has shown positive effects both short and long term, with fiscal policy likely to be more effective than the commercial trade policy. The analysis suggests that policymakers should focus more on fiscal policy than on monetary or trade policy, in order to ensure economic growth.
Jason Marroquin,H.J. Kim,Dong-Ho Jung,Kyong-Yop Rhee 한국탄소학회 2012 Carbon Letters Vol.13 No.2
Nanocomposite films were made by a simple solution casting method in which multi-walled carbon nanotubes (MWCNT) and magnetite nanoparticles (Fe3O4) were used as dopant materials to enhance the electrical conductivity of chitosan nanocomposite films. The films contained fixed CNT concentrations (5, 8, and 10 wt%) and varying Fe3O4 content. It was determined that a 1:1 ratio of CNT to Fe3O4 provided optimal conductivity according to dopant material loading. X-ray diffraction patterns for the nanocomposite films, were determined to investigate their chemical and phase composition, revealed that nanoparticle agglomeration occurred at high Fe3O4 loadings, which hindered the synergistic effect of the doping materials on the conductivity of the films.
Trigeminal neuralgia management after microvascular decompression surgery: two case reports
Hwang, Victor,Gomez-Marroquin, Erick,Enciso, Reyes,Padilla, Mariela The Korean Dental Society of Anesthsiology 2020 Journal of Dental Anesthesia and Pain Medicine Vol.20 No.6
Trigeminal neuralgia (TN) involves chronic neuropathic pain, characterized by attacks of repeating short episodes of unilateral shock-like pain, which are abrupt in onset and termination. Anticonvulsants, such as carbamazepine, are the gold standard first-line drugs for pharmacological treatment. Microvascular decompression (MVD) surgery is often the course of action if pharmacological management with anticonvulsants is unsuccessful. MVD surgery is an effective therapy in approximately 83% of cases. However, persistent neuropathic pain after MVD surgery may require reintroduction of pharmacotherapy. This case report presents two patients with persistent pain after MVD requiring reintroduction of pharmacological therapy. Although MVD is successful for patients with failed pharmacological management, it is an invasive procedure and requires hospitalization of the patient. About one-third of patients suffer from recurrent TN after MVD. Often, alternative treatment protocols, including the reintroduction of medications, may be necessary to achieve improvement. This case report presents two cases of post-MVD recurrent pain. Further research is lacking on the success rates of subsequent medication therapy after MVD has proven less effective in managing TN.
Idalia Osuna-Ruiz,Marı´a Fernanda Espinoza-Marroquin,Jesu´ s Aaro´n Salazar-Leyva,Emyr Pen˜a,Carlos Alfonso A ´ lvarez-Gonza´lez,Isaura Ban˜uelos-Vargas,Emmanuel Martı´nez-Montan˜o 한국식품과학회 2019 Food Science and Biotechnology Vol.28 No.6
Pepsin from stomach of Bagre panamensis wassemi-purified and biochemically characterized. The acidproteolytic activity and purification fold were 3875 U/mgprotein and 91.85, respectively, after purification process. The optimum pH and temperature for semi-purified proteasewere 2–3 and 65 C, respectively. The enzymeactivity was stable after heating proteases at 50 C for120 min, but only 30% residual activity was detected afterheating at 65 C for 30 min. SDS-PAGE analysis showedtwo proteins bands after dialysis (26.1 and 38.6 kDa). Onlythe band of 38.6 kDa had proteolytic activity, which wasinhibited using pepstatin A. Organic solvents, surfactantsand reducing agents affect the proteolytic activity at differentextent; however, metal ions or EDTA have noimpact on protease activity. The semi-purified proteaseexhibited milk coagulant activity, with a maximum activityat 45 C. The obtained results highlight the potentialbiotechnological use of B. panamensis pepsin.