Enraizamiento de internodios de Zea diploperennis Iltis, Doebley Guzman

Internodios de Zea diploperennis fueron inducidos a enraizar en posición horizontal o vertical en presencia de Ácido Indol Acético (AlA) en concentración de 5ppm. aplicado en pasta de lanolina en la región apical. La respuesta al enraizamiento fue observada en el lugar de aplicación en presencia o ausencia de AlA. cuando los internodios fueron colocados en posición horizontal. En internodios verticales el AlA inhibió la respuesta al enraizamiento

Respuesta del trigo (Triticum aestivum L.) cv. Pro INTA Pigue a la aplicación de herbicidas post -emergentes

Se analizó el comportamiento de los herbicidas bromoxinil éster octanoico, 363 g. La.lba; 2,4-D éster butílico, 2oog. La.lba + piclorám sal potásica, 28,08g. La.lba; 2,4-D éster butílico, 200 g. La.lba + dicamba sal dimetil amina, 57,71 g. La.lba; dicamba sal dimetil amina, 57,71 g. La.lba + metsulfurón metil, 4,02 g. La.lba + 0,2% de humectante; terbutrina, 210g La.lba + triasulfur6n, 7 g i.a.zha + 0,2 % de humectante; metsulfur6n metil, 6 g i.a.zha + 0,2 % de humectante; y dicamba sal dimetil amina, ~7,7l g. i.a.zha + MePA sal sódica, 336 g i.a.lba, sobre trigo (Triticum aestivum L:) cv pro INTA Pigüé, aplicados en dos estadios; hinchazón del primordio de espiguillas en la porción central del embrión de la espiga (Nerson 4) y 5 días después de alcanzado el estado de espiguilla terminal diferenciada (Nerson 9). Las malezas no provocaron pérdidas de rendimiento en el cultivo, ni afectaron los componentes de rendimiento. Los distintos herbicidas ensayados mostraron igual comportamiento sobre el trigo entre sí en cada una de las épocas de aplicación y en promedio de las mismas. El rendimiento del cultivo disminuyó significativamente con aplicaciones de cualquiera de los herbicidas en el segundo estadio; el componente de rendimiento más afectado fue espígas/mz y se verificó una tendencia a menor cantidad de granos/espiga y peso de 1.000 granos.Director: Ing. Agr. Fernando D. García. Profesor Asociado, Cátedra de Terapéutica vegetal

Respuesta del trigo (Triticum aestivum L.) cv. Pro INTA Pigue a la aplicación de herbicidas post -emergentes

Se analizó el comportamiento de los herbicidas bromoxinil éster octanoico, 363 g. La.lba; 2,4-D éster butílico, 2oog. La.lba + piclorám sal potásica, 28,08g. La.lba; 2,4-D éster butílico, 200 g. La.lba + dicamba sal dimetil amina, 57,71 g. La.lba; dicamba sal dimetil amina, 57,71 g. La.lba + metsulfurón metil, 4,02 g. La.lba + 0,2% de humectante; terbutrina, 210g La.lba + triasulfur6n, 7 g i.a.zha + 0,2 % de humectante; metsulfur6n metil, 6 g i.a.zha + 0,2 % de humectante; y dicamba sal dimetil amina, ~7,7l g. i.a.zha + MePA sal sódica, 336 g i.a.lba, sobre trigo (Triticum aestivum L:) cv pro INTA Pigüé, aplicados en dos estadios; hinchazón del primordio de espiguillas en la porción central del embrión de la espiga (Nerson 4) y 5 días después de alcanzado el estado de espiguilla terminal diferenciada (Nerson 9). Las malezas no provocaron pérdidas de rendimiento en el cultivo, ni afectaron los componentes de rendimiento. Los distintos herbicidas ensayados mostraron igual comportamiento sobre el trigo entre sí en cada una de las épocas de aplicación y en promedio de las mismas. El rendimiento del cultivo disminuyó significativamente con aplicaciones de cualquiera de los herbicidas en el segundo estadio; el componente de rendimiento más afectado fue espígas/mz y se verificó una tendencia a menor cantidad de granos/espiga y peso de 1.000 granos. Director: Ing. Agr. Fernando D. García. Profesor Asociado, Cátedra de Terapéutica vegetal

Enraizamiento de internodios de Zea diploperennis Iltis, Doebley Guzman

Internodios de Zea diploperennis fueron inducidos a enraizar en posición horizontal o vertical en presencia de Ácido Indol Acético (AlA) en concentración de 5ppm. aplicado en pasta de lanolina en la región apical. La respuesta al enraizamiento fue observada en el lugar de aplicación en presencia o ausencia de AlA. cuando los internodios fueron colocados en posición horizontal. En internodios verticales el AlA inhibió la respuesta al enraizamiento

CYTOKINE REGULATION OF REGENERATIVE PROCESSES IN PANCREATIC GLAND IN ALLOXAN-INDUCED DIABETIC RATS, AND IT CORRECTION BY 1,3,4-THIADIAZINE COMPOSITION AND LIPOIC ACID

A comprehensive comparative evaluation of the ability of L-17 compound (2-morpholino-5- phenyl-1,3,4-thiadiazine) and antioxidant lipoic acid (LA) to correct blood cytokine levels, metabolic disorders and morphological alterations in pancreas in alloxan-induced diabetes was performed for the first time, using an experimental in vivo model. All the tested compounds have been found to correct hyperglycemia and decreased accumulation of glycated blood proteins. The tested L-17 compound belongs to the 1,3,4-thiadiazine series and is able to correct metabolic disorders occurring in alloxan-induced diabetes comparable to activity of LA antioxidant. However, L-17 reduces the cytokine levels to the values of intact animals, that preventing development of systemic inflammatory response which causes damage of target organs in diabetes mellitus

Skin Biopsy Techniques for the Internist

OBJECTIVE: To review three commonly performed skin biopsy procedures: shave, punch, and excision. DATA SOURCES: English-language articles identified through a MEDLINE search (1966 –1997) using the MeSH headings skin and biopsy, major dermatology and primary care textbooks, and cross-references. STUDY SELECTION: Articles that reviewed the indications, contraindications, choice of procedure, surgical technique, specimen handling, and wound care. DATA EXTRACTION: Information was manually extracted from all selected articles and texts; emphasis was placed on information relevant to internal medicine physicians who want to learn skin biopsy techniques. DATA SYNTHESIS: Shave biopsies require the least experience and time but are limited to superficial, nonpigmented lesions. Punch biopsies are simple to perform, have few complications, and if small, can heal without suturing. Closing the wound with unbraided nylon on a C-17 needle will enhance the cosmetic result but requires more expertise and time. Elliptical excisions are ideal for removing large or deep lesions, provide abundant material for many studies, and can be curative for a number of conditions, but require the greatest amount of time, expertise, and office resources. Elliptical excisions can be closed with unbraided nylon using a CE-3 or FS-3 needle in thick skin or a P-3 needle on the face. All specimens should be submitted in a labeled container with a brief clinical description and working diagnosis. CONCLUSIONS: Skin biopsies are an essential technique in the management of skin diseases and can enhance the dermatologic care rendered by internists

Extracorporeal membrane oxygenation for respiratory failure related to Covid-19: A nationwide cohort study

Background: Despite expanding use, knowledge on extracorporeal membrane oxygenation support during the COVID-19 pandemic remains limited. The objective was to report characteristics, management, and outcomes of patients receiving extracorporeal membrane oxygenation with a diagnosis of COVID-19 in France and to identify pre-extracorporeal membrane oxygenation factors associated with in-hospital mortality. A hypothesis of similar mortality rates and risk factors for COVID-19 and non–COVID-19 patients on venovenous extracorporeal membrane oxygenation was made. Methods: The Extracorporeal Membrane Oxygenation for Respiratory Failure and/or Heart failure related to Severe Acute Respiratory Syndrome-Coronavirus 2 (ECMOSARS) registry included COVID-19 patients supported by extracorporeal membrane oxygenation in France. This study analyzed patients included in this registry up to October 25, 2020, and supported by venovenous extracorporeal membrane oxygenation for respiratory failure with a minimum follow-up of 28 days after cannulation. The primary outcome was in-hospital mortality. Risk factors for in-hospital mortality were analyzed. results: Among 494 extracorporeal membrane oxygenation patients included in the registry, 429 were initially supported by venovenous extracorporeal membrane oxygenation and followed for at least 28 days. The median (interquartile range) age was 54 yr (46 to 60 yr), and 338 of 429 (79%) were men. Management before extracorporeal membrane oxygenation cannulation included prone positioning for 411 of 429 (96%), neuromuscular blockage for 419 of 427 (98%), and NO for 161 of 401 (40%). A total of 192 of 429 (45%) patients were cannulated by a mobile extracorporeal membrane oxygenation unit. In-hospital mortality was 219 of 429 (51%), with a median follow-up of 49 days (33 to 70 days). Among pre-extracorporeal membrane oxygenation modifiable exposure variables, neuromuscular blockage use (hazard ratio, 0.286; 95% CI, 0.101 to 0.81) and duration of ventilation (more than 7 days compared to less than 2 days; hazard ratio, 1.74; 95% CI, 1.07 to 2.83) were independently associated with in-hospital mortality. Both age (per 10-yr increase; hazard ratio, 1.27; 95% CI, 1.07 to 1.50) and total bilirubin at cannulation (6.0 mg/dl or more compared to less than 1.2 mg/dl; hazard ratio, 2.65; 95% CI, 1.09 to 6.5) were confounders significantly associated with in-hospital mortality. Conclusions: In-hospital mortality was higher than recently reported, but nearly half of the patients survived. A high proportion of patients were cannulated by a mobile extracorporeal membrane oxygenation unit. Several factors associated with mortality were identified. Venovenous extracorporeal membrane oxygenation support should be considered early within the first week of mechanical ventilation initiation