factors affecting surface drug absorption
Báo cáo khoa học: "Factors affecting the interfacial properties of surfactant absorbed layers on an oil droplet surface" pptx
Ngày tải lên :
06/08/2014, 19:20
... Factors affecting the interfacial properties of surfactant absorbed layers supplied from Sigma-Aldrich ... superscript letters indicate a significant difference at 95% among the values of the various oils) 10 Factors affecting the interfacial properties of surfactant absorbed layers Interf acial tension (mN/m) ... 18 mN/m at the CMC and 8.14 x 10-5 M (0.1 mg/ml), respectively Interfacial tension (mN/m) Factors affecting the interfacial properties of surfactant absorbed layers 60 50 T ween 20 40 WPI 30...
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Investigation on factors affecting drug delivery using polymers and phospholipids 1
Ngày tải lên :
14/09/2015, 14:03
... Isopropyl alcohol Intravenous Steady state flux Total flux Drug permeability of the ionized drug Drug permeability of the unionized drug Drug permeability xiv KL kV LCST M MPZ Na O PBS PEG PEG-PPG-PEG ... permeation/accumulation of drugs ix LIST OF TABLES Table 1.1 Overview of lipid vesicle research in transdermal drug delivery 14 Table 1.2 Overview of cyclodextrin -drug inclusion research in transdermal drug delivery ... Azidothymidine Carbon Initial drug concentration in the donor cell Concentration of the free drug Concentration of the ionized drug Maximum plasma concentration Concentration of the total drug Concentration...
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Investigation on factors affecting drug delivery using polymers and phospholipids 2
Ngày tải lên :
14/09/2015, 14:03
... exploring Factors that influence transdermal and topical drug delivery may be divided into three categories: 1) drug related, 2) vehicle related and 3) skin related factors Drug related factors ... the drug 21 Table 1.2 An overview of the drug- cyclodextrin inclusion research in transdermal drug delivery No Reference Formulations Drug Loftsson et al., 1995 HP- β-CD, RM- β-CD Acitretin 20 Drug- Cyclodextrin ... diffusion cell (human skin) - Drug quantity, partitioning from vesicle to the SC, drug release from the vesicle and diffusion of the free drug to the skin layers are some of the factors that influence...
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Investigation on factors affecting drug delivery using polymers and phospholipids 3
Ngày tải lên :
14/09/2015, 14:03
... Highest increase in drug solubility was observed when the drug was in its degree of ionized form in RM β-CD, resulting in a 128-fold increase in the intrinsic solubility of the drug Surface tension ... In vitro Drug Release Studies The release characteristics were carried out in PBS The cumulative amount of the drug released from the drug loaded fibers is illustrated in Fig 4.4 Total drug content ... respectively, however surface tension of RM β-CD 0.01M was 57.5 ± 0.68 mN/m Phosphate buffer solutions had lower surface tension of 59.2 ± 0.42 mN /m, addition of RM βCD further decreased the surface tension...
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Investigation on factors affecting drug delivery using polymers and phospholipids 4
Ngày tải lên :
14/09/2015, 14:03
... w/v PVA - No drug, (b) 10% w/v PVA, (c) 10%w/v PVA - 5% w/v PNIPAM, (d) 10% w/v PVA - 10% w/v PNIPAM, (e) 10% w/v PNIPAM and (f) 10% w/v PNIPAM - No drug All formulations contain drug unless otherwise ... LCST, the polymer is stable and the drug release is slow, however at higher temperatures the polymer collapses thereby enhancing drug release (Kato et al., 2000) Drug release from PVA fibers was ... extensively studied as controlled drug delivery systems (Han et al., 2006; Wang et al., 2003; Kim and Kim 2002; Kono et al., 1999) Levothyroxine (T4), a model drug, is a synthetic hormone administered...
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Investigation on factors affecting drug delivery using polymers and phospholipids 5
Ngày tải lên :
14/09/2015, 14:03
... skin surface then release the drug from the carrier and diffuse to allow the drug through the skin Therefore both drug and carrier characteristics can influence the permeation rate of the drug ... hydrophobic drugs (Yokomizo 1996) Results of the permeation study suggest that the solubility of the drug in SC lipids and the partitioning of the drug molecule from the vesicles to skin may be key factors ... of a drug across the skin (Elsayed et al., 2006; Barry 2001) Greater drug permeation from cerosomes could be due to free uncapsulated diclofenac sodium, thus favoring drug uptake into skin Drug...
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Báo cáo y học: " Factors affecting the long-term response to tacrolimus in renal transplant patients: Pharmacokinetic and pharmacogenetic approac"
Ngày tải lên :
26/10/2012, 09:32
... 2010, factors, the role of biological factors affecting the drug absorption, distribution, metabolism or deletion has been investigated [1-9] Till now, the most significant biological factors ... genotype on the kinetics of tacrolimus in renal transplant recipients The drug dose and level, the drug dose-adjusted level and the drug volume of distribution values are analyzed based on the presence ... is represented by n variables (within-subjects factors) Categorical factors are used to divide study population into subgroups (between-subjects factors) and 96 continuous variables are used as...
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Tiểu luận tiếng anh Kinh tế chuyển nhượng the factors affecting monthly expenditure of FTU's studen.doc
Ngày tải lên :
27/10/2012, 16:53
... after taking everything into consideration, we decided to choose and study the project: “THE FACTORS AFFECTING MONTHLY EXPENDITURE OF FTU’S STUDENT” Although the government has tried to implement ... that multicollinearity does not exist - Variance Inflation Factors (VIF) method: The following result is obtained: Variance Inflation Factors Minimum possible value = 1.0 Values > 10.0 may indicate ... that multicollinearity does not exist + Variance Inflation Factors (VIF) method: The following result is obtained: Variance Inflation Factors Minimum possible value = 1.0 Values > 10.0 may indicate...
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Báo cáo y học: "A review of anatomical and mechanical factors affecting vertebral body integrit
Ngày tải lên :
03/11/2012, 09:49
... that factors other than BMD operate to influence fracture risk, for example physiologic loading of vertebral bodies and the neuromuscular characteristics of trunk musculature Previously, the factors ... understanding of the complex aetiology of these fractures Therefore, the aim of this review is to highlight factors identified in the literature that may act to influence the risk of sustaining an osteoporotic ... multifactorial aetiology underlying osteoporotic vertebral fracture Bone, macroscopic, local and global factors may interact to influence the risk of sustaining a vertebral fracture Cellular activity...
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Factors affecting esp vocabulary learning At Hanoi community college
Ngày tải lên :
07/11/2012, 14:54
... vocabulary learning of English for Specific Purposes and factors affecting vocabulary acquisition Research Questions What are the factors affecting ESP Vocabulary Learning at Hanoi Community College? ... develop implicit learning 1.3 Some factors affecting vocabulary acquisition 1.3.1 Intralexical factors: According to Schmitt and McCarthy (1997:142-153) intralexical factors that affect the learning ... acquisition and factors affecting vocabulary learning according to prestigious linguists and researchers This will serve as a base for the study to get its aim: finding out some factors affecting ESP...
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A study on some major factors affecting English learning of grade 6 ethnic minority students of a mountainous secondary school to help them learn better
Ngày tải lên :
07/11/2012, 15:04
... 4.1.2 The different affecting degrees of the learning factors studied Foreign language learning is a process that is affected by many factors In certain specific situations, those factors affect the ... that they can be divided into two groups: internal factors and external factors Weiner, B (qtd in Williams, M & Burden, R.L 1997) saw that internal factors arise from inside and external ones are ... learning factors “Many of us believe that learners have certain characteristics which lead to more or less successful language learning”, (Lightbown, P.M & Spada, N 1999) There are many factors affecting...
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Factors Affecting ESP Vocabulary Learning at Hanoi Community College
Ngày tải lên :
19/04/2013, 17:07
... vocabulary learning of English for Specific Purposes and factors affecting vocabulary acquisition Research Questions What are the factors affecting ESP Vocabulary Learning at Hanoi Community College? ... develop implicit learning 1.3 Some factors affecting vocabulary acquisition 1.3.1 Intralexical factors: According to Schmitt and McCarthy (1997:142-153) intralexical factors that affect the learning ... acquisition and factors affecting vocabulary learning according to prestigious linguists and researchers This will serve as a base for the study to get its aim: finding out some factors affecting ESP...
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Firm-specific Factors Affecting on cost of equity in Vietnam
Ngày tải lên :
10/08/2013, 17:41
... equity costs and factors in emerging markets in general or Vietnam in particular 1.2 Research Objectives: The purpose of this thesis would be Indicating whether and how firm-specific factors relate ... would be suitable and used in this paper 3.2 Firm-level factors : 3.2.1 Beta: Beta (β) indicates the sensitivity of the company to market risk factors Beta represents the market risk for an asset ... model is more validity Similarly, we put other factors into model and check changes in p-value and Adjusted R-Square in order to check whether those factors have relationship with cost of equity...
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FACTORS AFFECTING ENGLISH NON MAJOR FIRST YEAR STUDENTS’ MOTIVATION IN LEARNING READING SKILLS AT HANOI UNIVERSITY OF INDUSTRY
Ngày tải lên :
07/09/2013, 13:21
... There are several factors affecting the students’ motivation in learning reading From the data analysis, they are the students’ factors, the teachers’ factors and reading material factors What is ... an agreement to some common factors affecting students' motivation These include students' factors, teacher's factor and reading materials factor 1.3.2.1 Students' Factors No one can deny that ... survey also reveals the reasons for the situation 4.1.2 Factors Affecting the Students’ Motivation in Learning the Reading Skill 4.1.2.1 Students’ Factors 4.1.2.1.1 Limited Background Knowledge When...
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The major factors affecting speaking skill of first year english major students at vinh university and some suggested solutions tions improve their communicative competence
Ngày tải lên :
18/12/2013, 21:45
... are as follows: To investigate the factors affecting speaking skill of the first year students at Vinh University To investigate the working mechanism of these factors on the students through which ... comprehensive one that can diagnose many factors that influences individuals The biggest advantage of this method is that at can assess the rate of different factors affecting students’ speaking skill ... competence at the very first stage To some extend, I try to conduct the study entitled “The factors affecting speaking skill of first year students at Vinh University and some suggested solutions...
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Tài liệu Cost Factors Affecting Productivity P3 pdf
Ngày tải lên :
20/01/2014, 02:20
... 92 Cost Factors Affecting Productivity Automatic Product Removal Cavities in the mold can be laid out so that ... pieces/h) C B A C D Figure 3.55 Machine with a × 16 cavity stack mold for small containers 94 Cost Factors Affecting Productivity Ejection Stroke, Air Assist The ejection method used in the mold will ... output of the mold if required only for a shorter period A conservatively estimated cycle time Factors affecting cycle time have been discussed in Section 3.3 3.8.1 Available Operating Time There...
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Tài liệu Cost Factors Affecting Productivity P2 doc
Ngày tải lên :
20/01/2014, 02:20
... 72-cavity 3-plate mold for a small cap (a), and a runner for a simple but heavy product (b) 72 Cost Factors Affecting Productivity As a rule, the shot weight SW should not be more than about 80% of the ... Note also that the condition of the screw is very important A worn screw (and/or 73 74 Cost Factors Affecting Productivity barrel) will have greater clearances than when new, and therefore will ... the machine is not the limiting factor when trying to improve a mold’s productivity 76 Cost Factors Affecting Productivity With the redesigned product, we now require 35 g · 12 cav · sh/min ·...
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Tài liệu Cost Factors Affecting Productivity P1 pptx
Ngày tải lên :
20/01/2014, 02:20
... 50 Cost Factors Affecting Productivity Another example: a mold and machine worked perfectly, but occasionally, for several hours, produced pieces with surface blemishes that looked ... ensure that the cooling channels in the mold are free from sediments (lime, rust, etc.) 52 Cost Factors Affecting Productivity is of great advantage The coolant must also be free from lime and dirt, ... the ejection and the cooling layout of the mold and the overall size of the mold 53 54 Cost Factors Affecting Productivity The mold must be equipped with all features that are compatible with...
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AN INVESTIGATION INTO TECHNIQUES TO OVERCOME FACTORS AFFECTING THE PARTICIPATION IN CLASSROOM ORAL ACTIVITIES OF THE SECOND YEAR TOURISM STUDENTS AT CSSH
Ngày tải lên :
29/01/2014, 14:35
... which factors were focused on and techniques were used to increase the students’ involvement With regard to the factors affecting the students’ participation, the study focused on the student factors ... employment aspect Third, the study concentrates to find out the factors including teacher factors, student factors and other classroom factors hindering the students’ involvement in oral activities ... of factors originating from students, teachers, speaking activities and other classroom-related factors In the following sections, some of the major factors will be discussed I.1 Student factors...
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