Amylolysis of raw corn by Aspergillus niger for simultaneous ethanol fermentation.

June 28th, 2008
Amylolysis of raw corn by Aspergillus niger for simultaneous ethanol fermentation. The novelty of this approach was hydrolysis of the raw starch in ground corn to fermentable sugars that are simultaneously fermented to ethanol by yeast in a non-sterile environment. Thus, the conventional cooking step can ...

Dynamic analysis of irreversible adsorption of protein on porous polymer resins as studied by pulse

June 28th, 2008
Dynamic analysis of irreversible adsorption of protein on porous polymer resins as studied by pulse injection method. Irreversible adsorption of bovine serum albumin onto porous polymer resins is examined by a pulse injection method. The experimental results are theoretically analyzed by a model based on the ...

Co-operative binding interactions in affinity chromatography: Theoretical considerations.

June 28th, 2008
Co-operative binding interactions in affinity chromatography: Theoretical considerations. A theoretical relationship has been developed to allow the effect of free ligand concentration on the capacity of an affinity Chromatography matrix to be determined where the protein adsorbed shows co-operative binding. Computer simulations using literature values for ...

Distribution of heparinase covalently immobilized to agarose: Experimental and theoretical studies.

June 28th, 2008
Distribution of heparinase covalently immobilized to agarose: Experimental and theoretical studies. An immobilized enzyme reactor has been developed to remove heparin, the anticoagulant that is required in all extracorporeal devices for patients undergoing open-heart surgery or kidney dialysis. The device uses the enzyme heparinase (EC 4.2.2.7), ...

Unsteady-state operation of continuous fermentor for enhancement of cell mass production.

June 28th, 2008
Unsteady-state operation of continuous fermentor for enhancement of cell mass production. The transient behavior of continuous fermentation is studied concentrating on the time scale intrinsic to the system. The time scale is the time required for the fermentorto reach a stable steady state after the disturbance ...

A comparison of some methods of estimating volumetric mass-transfer coefficients in an external-loop

June 28th, 2008
A comparison of some methods of estimating volumetric mass-transfer coefficients in an external-loop airlift fermenter. Volumetric mass-transfer coefficients were measured in an 11-L external-loop airlift fermenter with deionized water, a fermentation medium, and during a fermentation. Both a Mackareth oxygen electrode and a novel rapid-response probe ...

Studies on a wild strain of Schizophyllum commune: Cellulase and xylanase production and formation o

June 28th, 2008
Studies on a wild strain of Schizophyllum commune: Cellulase and xylanase production and formation of the extracellular polysaccharide Schizophyllan. A wild strain of schizophyllum commune (Fr:Fr:) isolated in Bangladesh produced cellulase and xyianase in high yields as well as the exobiopolymer schizophyllan. It was found experimentally ...

The use of rotifers for the maintenance of monoalgal mass cultures of Spirulina.

June 28th, 2008
The use of rotifers for the maintenance of monoalgal mass cultures of Spirulina. Zooplankton was successfully used for the biological control of unicellular algal contaminants in Spirulina mass cultures even under conditions adverse to the growth of Spirulina (maximal winter daily temperature of approximately 10 degrees ...

Continuous assay of neuraminidase activity by a bienzyme system immobilized in an artificial membran

June 28th, 2008
Continuous assay of neuraminidase activity by a bienzyme system immobilized in an artificial membrane. Lactate dehydrogenase and NANA-lyase were immobilized in an artificial gelantine membrane. This bienzyme system was used for continuous assay of neuraminidase activity. The K\'(m) of the active membrane for lactate dehydrogenase and ...

The electrochemical regeneration of NAD(+) revisited.

June 28th, 2008
The electrochemical regeneration of NAD(+) revisited. An actual yield of 99.97% (i.e., 3000 potential regenerating cycles) has been obtained for the electrochemical regeneration of NAD(+). The deactivation of the coenzyme is not related to the number of cycles; it is only time dependent. For biotechnological applications, ...

An investigation of a fertilizer-tap water medium for mass algal production in outdoor plastic-enclo

June 28th, 2008
An investigation of a fertilizer-tap water medium for mass algal production in outdoor plastic-enclosed systems. The feasibility of using two fertilizers (urea plus superphosphate) in tap water as a medium for the mass culture of green algae (Scenedesmus and Ankistrodesmus) in outdoor plastic-enclosed minipond systems was ...

Esophagitis and esophageal strictures.

June 28th, 2008
Esophagitis and esophageal strictures. Esophagitis and esophageal strictures are relatively uncommon but significant diseases in companion animals. Often, an esophageal disorder is suspected on the animal\'s medical history and clinical signs. Esophagitis and acquired esophageal strictures are caused by prolonged contact of caustic substances or foreign ...

Understanding behavior-aggressive dogs: assessment and treatment considerations.

June 28th, 2008
Understanding behavior-aggressive dogs: assessment and treatment considerations. The question of what to do with an aggressive dog involves clinical, legal, and ethical considerations. This first column on the subject addresses the clinical aspects from the standpoint of the general veterinarian. Crowell-Davis SL. The University of ...

Continuous renal replacement therapy.

June 28th, 2008
Continuous renal replacement therapy. Continuous renal replacement therapy (CRRT) is a blood purification modality that uses a combination of convection and diffusion to eliminate uremic toxins and correct electrolyte imbalances. Although CRRT is usually associated with the treatment of acute renal failure, it can also be ...

Pharm profile: atipamezole.

June 28th, 2008
Pharm profile: atipamezole. Learn about the pharmacology, applications, and administration of this alpha2-adrenergic antagonist. El Bahri L. Ecole Nationale de Medecine Veterinaire, Sidi Thabet, Tunisia.

MicroRNA and ovarian cancer.

June 28th, 2008
MicroRNA and ovarian cancer. Ovarian cancer remains a leading cause of morbidity and mortality, with little change in survival rates over the past 30 years. Research in the molecular biology underlying the disease demonstrates frequent mutation in the p53/Rb/p16 tumor suppressor pathways and activation of c-myc, ...

Central giant cell granuloma of the jawbones - new insights into molecular biology with clinical imp

June 28th, 2008
Central giant cell granuloma of the jawbones - new insights into molecular biology with clinical implications on treatment approaches. Central giant cell granulomas (CGCG) constitute about 10% of benign jawbone lesions. Approximately one-third of CGCG exhibit local aggressive behavior with bone destruction and a tendency to ...

Protein methylation: a new mechanism of p53 tumor suppressor regulation.

June 28th, 2008
Protein methylation: a new mechanism of p53 tumor suppressor regulation. The tumor suppressor p53 is the most frequently inactivated gene in human cancers. The p53 protein functions as a sequence-specific transcription factor to regulate key cellular processes, including cell-cycle arrest, DNA repair, apoptosis, and senescence in ...

Effects of atorvastatin on progression-regression of renal injury in hyperlipidemic chickens.

June 28th, 2008
Effects of atorvastatin on progression-regression of renal injury in hyperlipidemic chickens. Complex interrelationships exist between hyperlipidemia and the progression of renal injury. The aim of this study was to evaluate the impact of high plasma cholesterol and triglyceride levels on renal structure and the effects of ...

Immunohistochemical expression of Galectin-3 and HBME-1 in granular cell tumors: a new finding.

June 28th, 2008
Immunohistochemical expression of Galectin-3 and HBME-1 in granular cell tumors: a new finding. Granular cell tumor (GCT) is a relatively rare neoplasm, usually located in the upper aerodigestive tract, skin and soft tissue. Because of its uncertain histogenesis, GCT has been the object of many immunohistochemical ...

Heat shock protein-GP96 as an innate sensor of damage and activator of autoreactive NKT and regulato

June 28th, 2008
Heat shock protein-GP96 as an innate sensor of damage and activator of autoreactive NKT and regulatory T cells during liver regeneration. Tissue disintegration after injury leads, in the endoplasmic reticulum (ER), to activation of adaptive pathways known as the ER stress response. It is directed to ...

Calcium-supplemented University of Wisconsin solution in long-term myocardial preservation.

June 28th, 2008
Calcium-supplemented University of Wisconsin solution in long-term myocardial preservation. The purpose of this study was to assess the effects of the addition of calcium to University of Wisconsin solution in long-term myocardial perfusion. In a heterotopic heart transplantation model, performed in pigs, the donor heart was ...

Immunolocalization of interleukin-1 receptor antagonist in healthy and infarcted myocardium.

June 28th, 2008
Immunolocalization of interleukin-1 receptor antagonist in healthy and infarcted myocardium. Ischemic heart disease is a widespread cause of death. During infarction, myocardial injury is mediated by release of several pro-inflammatory cytokines including multifunctional interleukin-1 (IL-1). In various tissues, IL-1-mediated deleterious effects are known to be attenuated ...

Ontogeny of the digestive tract in sharpsnout sea bream Diplodus puntazzo (Cetti, 1777).

June 28th, 2008
Ontogeny of the digestive tract in sharpsnout sea bream Diplodus puntazzo (Cetti, 1777). The ontogeny of the digestive tract was studied histologically and histochemically in sharpsnout sea bream Diplodus puntazzo from hatching (0 DAH, Days After Hatching) until day 57 (57 DAH). At hatching, the digestive ...

SMARCC1 expression is upregulated in prostate cancer and positively correlated with tumour recurrenc

June 28th, 2008
SMARCC1 expression is upregulated in prostate cancer and positively correlated with tumour recurrence and dedifferentiation. Background. The identification of new prognostic markers in prostate cancer (PC) is essential to improve patient treatment and management. Data suggest that SMARCC1 protein, a part of the intranuclear SWI/SNF complex ...
page 70 page 140 page 210 page 280 page 350 page 420 page 490 page 550 page 590 page 690 page 790