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European journal of pharmaceutics and biopharmaceu... 31건

  1. [해외논문]   Editorial board  


    European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V v.129 ,pp. IFC , 2018 , 0939-6411 ,

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  2. [해외논문]   Calendar of events  


    European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V v.129 ,pp. II - II , 2018 , 0939-6411 ,

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  3. [해외논문]   APV Diary  


    European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V v.129 ,pp. I - I , 2018 , 0939-6411 ,

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  4. [해외논문]   Editorial board  


    European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V v.129 ,pp. IFC - IFC , 2018 , 0939-6411 ,

    초록

    원문보기

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    무료다운로드 유료다운로드

    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  5. [해외논문]   Mucus-penetrating nanoparticles: Promising drug delivery systems for the photodynamic therapy of intestinal cancer  

    Anderski, Juliane (Corresponding author.) , Mahlert, Laura , Mulac, Dennis , Langer, Klaus
    European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V v.129 ,pp. 1 - 9 , 2018 , 0939-6411 ,

    초록

    Abstract Photodynamic therapy (PDT) is an auspicious therapy approach for the treatment of cancer. Despite its numerous benefits, the drug delivery of the used photosensitizer (PS) to target locations inside the human body remains a main therapy challenge, since the standard intravenous PS injection often causes systemic side-effects. To circumvent this therapy drawback, the oral application represents a promising administration alternative. Especially for the treatment of intestinal cancer it offers the possibility of a local treatment with a reduced likelihood for adverse drug reactions. To establish a suitable drug delivery system for intestinal PDT, we developed nanoparticles (NP) of the biodegradable and biocompatible polymer poly(lactic-co-glycolic) acid (PLGA), loaded with the model PS 5,10,15,20-tetrakis(m-hydroxyphenyl)porphyrin ( m THPP). By functionalizing the particle surface with either poly(ethylene glycol) (PEG) or chitosan (CS), mucus-penetrating or mucoadhesive properties were obtained. These particle characteristics are important to enable an overcoming of the intestinal mucus barrier and thus lead to a PS accumulation close to and in the target cells. In permeation studies with a biosimilar mucus and in cell culture experiments with mucus-covered Caco-2 cells, PEG-modified NP were identified as a superior drug vehicle for an intestinal PDT, compared to surface unmodified or mucoadhesive NP. Graphical abstract [DISPLAY OMISSION]

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  6. [해외논문]   Progress in formulation development and sterilisation of freeze-dried oligodeoxynucleotide-loaded gelatine nanoparticles  

    Geh, Katharina J. (Department of Pharmacy, Pharmaceutical Technology and Biopharmaceutics, Ludwig-Maximilians-Universität München, Butenandtstr. 5-13, 81377 Munich, Germany ) , Hubert, Madlen (Department of Integrative Medical Biology, Umeå) , Winter, Gerhard (University, 901 87 Umeå, Sweden )
    European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V v.129 ,pp. 10 - 20 , 2018 , 0939-6411 ,

    초록

    Abstract Oligodeoxynucleotide (ODN)-loaded gelatine nanoparticles (GNPs) have proven their outstanding potential in the treatment of allergic diseases such as equine asthma and canine atopic dermatitis, which are appropriate models for the corresponding human diseases. To encourage the development of a marketable product, long term stability and sterility needs to be ensured. In this work, we aimed to advance freeze-drying options to stabilise ODN-loaded GNPs. Matrix-assisted laser desorption/ionisation mass spectrometry time-of-flight was implemented as a versatile tool to assess ODN stability. With this method long-term storage stability of lyophilised ODN-loaded GNPs formulated in sucrose or trehalose was achieved. Controlled nucleation was further introduced to optimise the lyophilisation approach. This allowed shortening of the process in comparison to standard freeze-drying procedures. Particle sizes, polydispersity indices, ODN stability, residual moisture and glass transition temperature were maintained upon storage. Excipient portfolio was enlarged by novel amino acid containing formulations for lyophilisates. His emerged as an excellent excipient in stabilising lyophilised ODN-loaded GNPs, whereas addition of Arg and Gly revealed to be inadequate at accelerated conditions. Lastly, gamma irradiation was evaluated as a suitable sterilisation method of ODN-loaded GNPs. Graphical abstract [DISPLAY OMISSION]

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  7. [해외논문]   The effect of formulation on spray dried Sabin inactivated polio vaccine  

    Kanojia, Gaurav (Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands ) , ten Have, Rimko (Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands ) , Brugmans, Debbie (Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands ) , Soema, Peter C. (Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands ) , Frijlink, Henderik W. (University of Groningen, Department of Pharmaceutical Technology and Biopharmacy, Groningen, The Netherlands ) , Amorij, Jean-Pierre (Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands ) , Kersten, Gideon (Intravacc (Institute for Translational Vaccinology), Bilthoven, The Netherlands)
    European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V v.129 ,pp. 21 - 29 , 2018 , 0939-6411 ,

    초록

    Abstract The objective of this study was to develop a stable spray dried formulation, containing the three serotypes of Sabin inactivated polio vaccine (sIPV), aiming for minimal loss of native conformation (D-antigen) during drying and subsequent storage. The influence of atomization and drying stress during spray drying on trivalent sIPV was investigated. This was followed by excipient screening, in which monovalent sIPV was formulated and spray dried. Excipient combinations and concentrations were tailored to maximize both the antigen recovery of respective sIPV serotypes after spray drying and storage (T = 40 °C and t = 7 days). Furthermore, a fractional factorial design was developed around the most promising formulations to elucidate the contribution of each excipient in stabilizing D-antigen during drying. Serotype 1 and 2 could be dried with 98% and 97% recovery, respectively. When subsequently stored at 40 °C for 7 days, the D-antigenicity of serotype 1 was fully retained. For serotype 2 the D-antigenicity dropped to 71%. Serotype 3 was more challenging to stabilize and a recovery of 56% was attained after drying, followed by a further loss of 37% after storage at 40 °C for 7 days. Further studies using a design of experiments approach demonstrated that trehalose/monosodium glutamate and maltodextrin/arginine combinations were crucial for stabilizing serotype 1 and 2, respectively. For sIPV serotype 3, the best formulation contained Medium199, glutathione and maltodextrin. For the trivalent vaccine it is therefore probably necessary to spray dry the different serotypes separately and mix the dry powders afterwards to obtain the trivalent vaccine. Graphical abstract [DISPLAY OMISSION] The spray drying figure adapted from Kanojia et al. (Reference number ).

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  8. [해외논문]   Use of computational fluid dynamics for improving freeze-dryers design and process understanding. Part 1: Modelling the lyophilisation chamber  

    Barresi, Antonello A. (Corresponding author.) , Rasetto, Valeria , Marchisio, Daniele L.
    European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V v.129 ,pp. 30 - 44 , 2018 , 0939-6411 ,

    초록

    Abstract This manuscript shows how computational models, mainly based on Computational Fluid Dynamics (CFD), can be used to simulate different parts of an industrial freeze-drying equipment and to properly design them; in particular, the freeze-dryer chamber and the duct connecting the chamber with the condenser, with the valves and vanes eventually present are analysed in this work. In Part 1, it will be shown how CFD can be employed to improve specific designs, to perform geometry optimization, to evaluate different design choices and how it is useful to evaluate the effect on product drying and batch variance. Such an approach allows an in-depth process understanding and assessment of the critical aspects of lyophilisation. This can be done by running either steady-state or transient simulations with imposed sublimation rates or with multi-scale approaches. This methodology will be demonstrated on freeze-drying equipment of different sizes, investigating the influence of the equipment geometry and shelf inter-distance. The effect of valve type (butterfly and mushroom) and shape on duct conductance and critical flow conditions will be instead investigated in Part 2. Graphical abstract [DISPLAY OMISSION]

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  9. [해외논문]   Use of computational fluid dynamics for improving freeze-dryers design and process understanding. Part 2: Condenser duct and valve modelling  

    Marchisio, Daniele L. (Politecnico di Torino, Institute of Chemical Engineering, Department of Applied Science and Technology, C.so Duca Degli Abruzzi 24, I-10129 Torino, Italy ) , Galan, Miquel (Azbil Telstar Technologies, S.L, Av. Font i Sagué, 55, E-08227 Terrassa, Spain ) , Barresi, Antonello A. (Politecnico di Torino, Institute of Chemical Engineering, Department of Applied Science and Technology, C.so Duca Degli Abruzzi 24, I-10129 Torino, Italy)
    European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V v.129 ,pp. 45 - 57 , 2018 , 0939-6411 ,

    초록

    Abstract This manuscript shows how computational models, mainly based on Computational Fluid Dynamics (CFD), can be used to simulate different parts of an industrial freeze-drying equipment and to properly design them; in particular in this part the duct connecting the chamber with the condenser, with its valves, is considered, while the chamber design and its effect on drying kinetics have been investigated in Part 1. Such an approach allows a much deeper process understanding and assessment of the critical aspects of lyophilisation. This methodology will be demonstrated on freeze-drying equipment of different sizes, investigating influence of valve type (butterfly and mushroom) and shape on duct conductance and critical flow conditions. The role of the inlet and boundary conditions considered has been assessed, also by modelling the whole apparatus including chamber and condenser, and the influence of the duct diameter has been discussed; the results show a little dependence of the relationship between critical mass flux and chamber pressure on the duct size. Results concerning the fluid dynamics of a simple disk valve, a profiled butterfly valve and a mushroom valve installed in a medium size horizontal condenser are presented. Also in these cases the maximum allowable flow when sonic flow conditions are reached can be described by a correlation similar to that found valid for empty ducts; for the mushroom valve the parameters are dependent on the valve opening length. The possibility to use the equivalent length concept, and to extend the validity of the results obtained for empty ducts will be also discussed. Finally the presence of the inert gas modifies the conductance of the duct, reducing the maximum flow rate of water that can be removed through it before the flow is choked; this also requires a proper over-sizing of the duct (or duct-butterfly valve system). Graphical abstract [DISPLAY OMISSION]

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  10. [해외논문]   Looking inside the 'black box': Freezing engineering to ensure the quality of freeze-dried biopharmaceuticals  

    Capozzi, Luigi C. (Corresponding author.) , Pisano, Roberto
    European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft für Pharmazeutische Verfahrenstechnik e.V v.129 ,pp. 58 - 65 , 2018 , 0939-6411 ,

    초록

    Abstract The freezing step plays a central role in reaching the most stringent requirements of quality, homogeneity and standardization of freeze-dried products. In this paper, a systematic procedure has been proposed to obtain a quantitative estimation of the pore-size variability of lyophilized products resulting from uncontrollable variations of the nucleation temperature. This procedure consisted in collecting the nucleation temperature from a statistically significant number of samples and correlating each nucleation temperature to the corresponding product morphology, using a mathematical model, to obtain a statistical description of the lyophilized product structure. This approach can also be used to obtain an estimation of the variability of the mass transfer resistance to vapor flow and, finally, of the drying time. Two different freezing configurations, i.e., conventional and suspended-vial freezing, have been used as case studies since they can produce significantly different freezing rates. Graphical abstract [DISPLAY OMISSION]

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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