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53 results about "Maintenance dose" patented technology

In pharmacokinetics, a maintenance dose is the maintenance rate [mg/h] of drug administration equal to the rate of elimination at steady state. This is not to be confused with dose regimen, which is a type of drug therapy in which the dose [mg] of a drug is given at a regular dosing interval on a repetitive basis. Continuing the maintenance dose for about 4 to 5 half lives (t½) of the drug will approximate the steady state level. One or more doses higher than the maintenance dose can be given together at the beginning of therapy with a loading dose.

User score-based project recommendation method

InactiveCN105740444AGood sparsity resistanceAddressing Concept DriftSpecial data processing applicationsPersonalizationTime factor
The invention discloses a user score-based project recommendation method. The method comprises the following steps: in allusion to the dynamism and diversity of interests of a user in a recommendation system, effectively fusing a maintenance dose function on the basis of the sores of user projects and completing the global learning of potential interests of the user by adopting a probability topic model according to the global influences, on the interests of the user, of the time factors; and in allusion to the sensitivity, for potential scenario change, of the learning process, user personalization-oriented secondary updating learning is carried out on the interests on the basis of a concept drift problem according to the local influences, on the potential interests of the user, of the time factors; and finally calculating the degrees of supporting the projects by the user through analyzing the interests of the user, and carrying out sorting to generate a project recommendation list. According to the method, the influences, caused by the recommendation performance, of the concept drift problem can be effectively avoided and the whole recommendation quality of the system can be improved under the condition of sufficiently mining the potential interests of the user.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Method for quickly and efficiently testing liquid absorptivity of pole piece

The invention relates to a method for quickly and efficiently testing liquid absorptivity of a pole piece. The method comprises the following steps: cutting a pole piece sample, and weighing the pole piece sample to obtain the mass M0; putting the weighed pole piece sample into a container; pouring a soaking solution into the container, and immersing the pole piece sample; putting the container into a vacuum drying oven, and keeping for 15-20 minutes; taking out the pole piece, wiping the free soaking solution on the surface of the pole piece sample by using filter paper, and weighing the pole piece sample to obtain the mass M1; and calculating the liquid absorptivity epsilon=(M1-M0) / M0 and the electrolyte maintenance dose M=epsilon*M0*rho1 / rho2, wherein rho1 is the electrolyte concentration, and rho2 is the density of the soaking solution. The used octadecane has the advantages of high stability, high flash point and low volatility, is hydrophobic, and thus, is suitable to be used as a solvent for soaking the pole piece. The method overcomes the defects of long time consumption, big measurement errors, great environmental pollution caused by the electrolyte and potential hazards to the operating personnel when the electrolyte is used for soaking the pole piece and testing the liquid absorptivity in the past.
Owner:ZHEJIANG CHAOWEI CHUANGYUAN INDUSTRAIAL

Voriconazole maintenance dose prediction mathematical model and construction method and application thereof

PendingCN114255883AEnsure safetyTo achieve the effect of individualized medicineMedical data miningDrug referencesMathematical modelCmin
The invention discloses a mathematical model for predicting voriconazole maintenance dose by integrating multiple factors and application, and relates to the technical field of medical treatment, and the model is prepared by the following steps: (1) determining the influence of CYP2C19 gene polymorphism on the use of voriconazole steady-state plasma concentration (VCZ-Cmin) by invasive fungal infection patients through variance analysis; (2) confirming the influence of CRP, PCT, IL-6 and combined use of a proton pump inhibitor on VCZ-Cmin; (3) confirming the influence of oriented use of voriconazole and non-oriented medication of different CYP2C19 genotypes on the curative effect and adverse reaction of a patient; (4) predicting risk factors influencing the VCZ-Cmin and risk factors influencing the voriconazole maintenance dosage; and (5) establishing a mathematical model for predicting the voriconazole maintenance dose and verifying the model. According to the influence factors and the mathematical prediction model disclosed by the invention, the accuracy of the sustaining dose of the clinically used voriconazole is improved, the drug concentration can be quickly stabilized in a target valley concentration range, the medication of the voriconazole is more accurate, safe and effective, and the adverse reaction is reduced.
Owner:ZHENGZHOU CENT HOSPITAL
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