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Kolliphor el

Manufactured by BASF
Sourced in Germany, United States, India

Kolliphor EL is a non-ionic surfactant used in various pharmaceutical and biomedical applications. It is a polyethoxylated castor oil derivative that functions as an emulsifier, solubilizer, and wetting agent. The core properties of Kolliphor EL include its ability to enhance the solubility and bioavailability of lipophilic drugs and its use in the formulation of drug delivery systems.

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33 protocols using kolliphor el

1

Methamphetamine and Cannabinoid Receptor Modulation

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Methamphetamine HCl (METH) was provided by the Research Pharmacy of the National Institute on Drug Abuse Intramural Research Program and dissolved in sterile 0.9% physiological saline. BCP was obtained from MilliporeSigma (Burlington, MA, United States) and dissolved in 5% Kolliphor EL (i.e., Cremophor) (BASF Pharma, Ludwigshafen, Germany). The BCP doses were chosen from our previous reports (Galaj and Xi, 2020 (link); He et al., 2020 (link)). AM630 was purchased from Tocris Division of Bio-Techne (Minneapolis, MN, United States) and dissolved in saline; the doses of AM630 (3, 10 mg/kg) were chosen based on our previous experiments (Galaj and Xi, 2020 (link)).
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2

Oral Gavage Toxicity Assessment

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Compound 3 was prepared in a dosing vehicle of 10% polyethylene glycol 400 (PEG 400), 10% polyoxyl 35 castor oil (Kolliphor EL, BASF), and 80% oleic acid. The formulation was then administered by oral gavage at 100 mg/kg of 3 to a pair of female BALB/c mice once daily for 5 days followed by observation for qualitative indicators of toxicity (e.g., weight loss, ragged fur, huddling). Approval for animal studies was provided by the Office of Animal Care and Institutional Biosafety (OACIB) Institutional Biosafety Committee (IBC), case 12-183.
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3

Betamethasone Dipropionate SMEDDS Hydrogel

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Gel NCC ((gNCC) Navitas, Podcerkev, Slovenia), powder NCC ((pNCC) Celluforce, Montreal, QC, Canada), sodium alginate ((ALG) Protanal® LF 10/60, FMC BioPolymer, Philadelphia, PA, USA), pectin ((PEC) Sigma-Aldrich, St. Louis, MO, USA), glycerol (Pharmachem, Ljubljana, Slovenia), and purified water were used to prepare the film-forming hydrogels. Capryol® 90 (Gattefosse, Saint-Priest, France) and Kolliphor® EL (BASF, Ludwigshafen, Germany) were used to form a self-microemulsifying drug delivery system (SMEDDS). For the solubility study of betamethasone dipropionate ((BDP) Sicor S.R.L., Roveretto, Italy), oleic acid (Sigma-Aldrich, St. Louis, MO, USA), Plurol® Oleique (Gattefosse, Saint-Priest, France), isopropyl myristate (Sigma-Aldrich, USA), Tween 80 (Merck, Darmstadt, Germany), Tween 20 (Merck, Darmstadt, Germany), Labrasol (Gattefosse, Saint-Priest, France), and polyethylene glycol 400 (Sigma-Aldrich, St. Louis, MO, USA) were used as excipients. For HPLC (high-performance liquid chromatography) analysis, all reagents (acetic acid (Merck, Darmstadt, Germany), methanol (Avantor, Radnor, PA, USA), and acetonitrile (Avantor, Radnor, PA, USA)) were of HPLC grade.
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4

Formulation of Lipid-Based Nanocarriers

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Dynasan 118 (tristearin) was obtained from IOI OLEO GmbH (Hamburg, Germany). Compritol 888 ATO and Gelucire®48/16 were kindly supplied from Gattefossè (Milan, Italy). Kolliphor® P188 (Poloxamer 188) and Kolliphor® EL, formerly known as Cremophor® EL (Polyoxyl 35 Hydrogenated Castor Oil), were a gift of BASF. Cetylstearyl alcohol, polyethylene glycol (PEG) 400, PEG 4000 and rhodamine B (Rho) were purchased from Sigma Aldrich (Steinheim, Germany). All other chemicals were of analytical grade. The properties of the hydrophobic and hydrophilic compounds are reported in Table 1.
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5

Formulation Development of Alectinib Hydrochloride

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Alectinib hydrochloride was purchased from Wuhan Vanz Pharm Inc. (Wuhan, China). Kolliphor HS 15 (polyoxyl 15 hydroxy stearate), Kollisolv PEG 300 (polyethylene glycol 300), Kollisolv PEG 400 (polyethylene glycol 400), Kolliphor EL (polyoxyl 35 castor oil), Kolliphor PS 20 (Polysorbate 20), Kolliphor PS 80 (polysorbate 80), Kolliphor RH 40 (polyoxyl 40 hydrogenated castor oil), and Kollisolv MCT 70 (medium-chain capric triglyceride) were kindly provided by BASF (Ludwigshafen, Germany). Transcutol P (diethylene glycol monoethyl ether) and Capryol 90 (propylene glycol monocaprylate (type II)) were kindly provided by Gattefosse (Saint-Priest, France). Capmul MCM C8 (mono/diglycerides of caprylic acid) and Capmul MCM C10 (mono/diglycerides of capric acid) were kindly provided by ABITEC Corporation (Janesville, WI, USA). Sodium lauryl sulfate (SLS) was kindly provided by DUKSAN Pure Chemical (Ansan, Korea). All other chemicals were of reagent grade and were thus used without further purification.
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6

Optimization of MTK Formulation Using Various Excipients

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The sodium salt form of MTK was obtained from Kyongbo Pharm. (Asan, Chungnam, Korea). Polyvinylpyrrolidone K30 (PVP K30), Kollidon/vinylpyrrolidone-vinyl acetate (VA64) copolymer, Poloxamer-188, Poloxamer-407, Kolliphor RH40 (polyoxyl 40 hydrogenated castor oil), Kolliphor EL (polyoxyl castor oil), Kolliphor HS 15 (polyoxyl 15 hydroxystearate) were kindly provided by BASF Co. (Ludwigshafen, Germany). Hypromellose 2910 (HPMC 2910), and trifluoroacetic acid were purchased from Sigma Chemical Co. (St. Louis, MO, USA). Polysorbate 20 and polysorbate 80 were obtained from Masung & Co. Ltd. (Seoul, Korea). Pharma grade xanthan gum was purchased from Arthur Branwell Co. Ltd. (Essex, UK). Essex EssexLactic acid and sodium hydroxide standard solution (1 N) were acquired from Daejung chemical & metal Co. Ltd. (Gyeonggi-do, Korea). Sunset Yellow FCF (disodium 2-hydroxy-1-(4-sulfonatophenylazo)naphthalene-6-sulfonate) was obtained from Bolak Co. Ltd. (Gyeonggi-do, Korea). Acetonitrile (ACN) and methanol of HPLC (High-performance liquid chromatography) grade were provided by J.T. Baker (Phillipsburg, NJ, USA). All other reagents were analytical grade and were used without further purification.
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7

Formulation of Lipid-Based Drugs

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PPD (purity >99.9%, Figure 1) was purchased from Chengdu Biopurify Phytochemicals, Ltd. (Chengdu, China). Kolliphor HS15 (polyoxyl 15 hydroxystearate), Kolliphor EL (polyoxyl castor oil), Kolliphor PS 80 (polysorbate 80), and Kollisolv MCT 70 (medium chain triglycerides) were provided by BASF (Ludwigshafen, Germany). Capmul MCM C8 (mono/diglycerides of caprylic acid) and Capryol 90 (propylene glycol monocaprylate (type II) were provided by Gattefosse (Saint-Priest, France). All other chemicals were of reagent grade and were used without further purification.
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8

Formulation Development and Characterization of Lipid-Based Drug Delivery Systems

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VST was supplied by Daewon Pharm. Co. Ltd. (Seoul, Republic of Korea). Capryol™ 90, Lauroglycol™ 90, Labrasol®, and Transcutol® P were supplied by Gattefossé (Saint Priest, France). Capmul® MCM was supplied by Abitec Co. (Janesville, WI, USA). Cremophor® EL (Kolliphor® EL), polyvinylpyrrolidone K90 (PVP K90; Kollidon® K90), d-α-tocopheryl polyethylene glycol 1000 succinate (Vitamin E TPGS; Kolliphor® TPGS), poloxamer 407 (Pluronic® F-127; POL), and Soluplus® were supplied by BASF (Ludwigshafen, Germany). Hypromellose E2910 (hydroxypropyl methylcellulose, [HPMC]) was supplied by Shin-Etsu Chemical Co. (Tokyo, Japan). Olive oil, corn oil, Tween® 20, Tween 80, and tetraglycol were purchased from Sigma-Aldrich (St Louis, MO, USA). Polyethylene glycol and polyethylene glycol 6000 PEG 6000) were purchased from Duksan Pure Chemical Co. Ltd. (Ansan, South Korea), and high-performance liquid chromatography (HPLC)-grade acetonitrile and methanol were purchased from JT Baker (Phillipsburg, NJ, USA). All other chemicals used were of analytical grade.
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9

Formulation and Characterization of Lipid-Based Nano-Carriers

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PZH was purchased from Hangzhou Royall Import and Export Co., Ltd. (Hangzhou, China). Kolliphor EL (polyoxyl 35 castor oil), Kolliphor HS15 (polyoxyl 15 hydroxystearate), Kolliphor RH40 (polyoxyl 40 hydrogenated castor oil), Kolliphor PS80 (polysorbate 80), Kollisolv PG (propylene glycol), Kollisolv MCT70 (medium-chain triglyceride), and Kollisolv PEG400 (polyethylene glycol 400) were provided by BASF (Ludwigshafen, Germany). Capmul MCM C8 (glyceryl monocaprylate) and Capmul MCM C10 (glyceryl monocaprate) were provided by ABITEC (Columbus, OH, USA). Castor oil was provided by DongYang Oil Chemical (Anseong, Korea). All other chemicals were of reagent grade and were used without further purification.
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10

Formulation Development of RVP Tablets

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RVP powder (purity >99%) and Revanex® tablets containing 200 mg RVP were supplied by Yuhan (Seoul, Korea). Aerosil® 200 was supplied by Evonik Degussa GmbH (Frankfurt am Main, Germany). Avicel PH 101, Brij L4 (BL4), Tween® 20, and Tween® 80 were purchased from Sigma-Aldrich (St. Louis, MO, USA). Florite PS-10 (FLO; calcium silicate) was purchased from Tomita Pharmaceutical Co., Ltd. (Tokushima, Japan). Gelucire 44/14 (G44), Labrafil® M 1944 CS, Labrasol®, and Lauroglycol® 90 were gifted by Gattefossé (Saint Priest, France). Kolliphor® EL, Kolliphor® RH40, Kolliphor® RH60, Kollidon K30, Kollidon K90, Poloxamer (P)188, and P407 were obtained from BASF (Ludwigshafen, Germany). Low-substituted hydroxypropyl cellulose B1 (L-HPC) was supplied by Shin-Etsu Chemical Co., Ltd. (Tokyo, Japan). Neusilin® US2 (magnesium aluminometasilicate) was supplied by Fuji Chemical Industry Company (Toyama, Japan). Sylysia® 350 (porous silica) was supplied by Fuji Silysia Chemical Co., Ltd. (Aichi, Japan). Vivapur (VP)12 and VP105 were supplied by JRS Pharma (Rosenberg, Germany). High-performance liquid chromatography (HPLC)-grade methanol was purchased from JT Baker (Phillipsburg, NJ, USA). All other chemicals used were of analytical grade.
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