PLA used in this study was Ingeo 2500HP from NatureWorks LLC (Minnetonka, MN, USA) having a density of 1.24 g/cm3 and relative viscosity of 4.0 (tested at 1.0 g/dL in chloroform). Microcrystalline cellulose (MCC) was Avicell® purchased from Merck (Darmstadt, Germany). Hexadecyltrimethylammonium bromide (CTAB) and poly(vinyl alcohol) (PVA, 98–99% hydrolysis, Mw = 85,000–124,000) were purchase from Sigma-Aldrich (St. Louis, MO, USA). Dichloromethane (DCM) (Scharlau, Sentmenat, Spain), hydrochloric acid (Merck, Darmstadt, Germany), sulfuric acid (Sigma-Aldrich, USA), potassium permanganate (Merck, Darmstadt, Germany), potassium iodide (VWR, Leuven, Belgium) and sodium thiosulfate pentahydrate (Merck, Darmstadt, Germany) were analytical grade and used as received. The carbohydrate standards d -glucose and d (+)-xylose were acquired from Pronalab (Sintra, Portugal) and Merck (Darmstadt, Germany), respectively. Cellulosic fibers from Eucalyptus globulus unbleached kraft pulp and kraft black liquor were supplied by Celtejo—Empresa de Celulose do Tejo, S.A (Vila Velha de Ródão, Portugal). Kraft black liquor was used as a source of lignin for fiber surface modification. Their organic and inorganic content were 12.7% and 14.4%, respectively, determined using the standard methods TAPPI 650 om-09 and TAPPI T211 om-02.
Dichloromethane dcm
Manufactured by Scharlab
Sourced in Spain
Dichloromethane (DCM) is a colorless, volatile, and dense liquid solvent. It is commonly used in laboratory settings as a general-purpose solvent for a variety of applications, including extraction, purification, and synthesis processes.
Automatically generated - may contain errors
Lab products found in correlation
Polyvinyl alcohol (pva), by Merck Group (2 mentions)
Potassium permanganate, by Merck Group (1 mentions)
Potassium iodide, by Avantor (1 mentions)
Sodium thiosulfate pentahydrate, by Merck Group (1 mentions)
Ingeo 2500hp, by NatureWorks (1 mentions)
Sulfuric acid, by Merck Group (1 mentions)
Hydrochloric acid (hcl), by Merck Group (1 mentions)
Magnesium sulfate mgso4, by Thermo Fisher Scientific (1 mentions)
Methacrylic anhydride, by Merck Group (1 mentions)
Phenyl bis 2 4 6 trimethylbenzoyl phosphine oxide bapo, by Merck Group (1 mentions)
Isopropanol, by Scharlab (1 mentions)
Acryloyl chloride, by Thermo Fisher Scientific (1 mentions)
Toluene, by Scharlab (1 mentions)
Dimethylformamide dmf, by Scharlab (1 mentions)
2 2 azobis 2 methylpropionitrile, by Thermo Fisher Scientific (1 mentions)
Sodium hydroxide (naoh), by Merck Group (1 mentions)
Acetic anhydride, by Merck Group (1 mentions)
Pyridine, by Merck Group (1 mentions)
Trifluoroacetic acid, by Carl Roth (1 mentions)
Triisopropylsilane, by Merck Group (1 mentions)
6 protocols using dichloromethane dcm
1
Cellulose Fiber Modification and Characterization
2
Polymer Synthesis via Photochemical Crosslinking
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4-(Dimethylamino) pyridine
(DMAP), hexamethylenediamine (HMDA), methacrylic anhydride (MAA),
ethylene glycol phenyl ether methacrylate (EGPMA), benzophenone (BP),
2,2-dimethoxy-2-phenylacetophenone (DMPA) and phenyl bis(2,4,6-trimethylbenzoyl)
phosphine oxide (BAPO) were purchased from Sigma-Aldrich. Vanillin
(Van) and sodium bicarbonate (NaHCO3) were provided from
ACROS Organics. Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide
(TPO) was supplied by Ciba Specialty Chemicals Inc. 1,1-Di(t-amyl peroxy) cyclohexane (LUPEROX 531 M60) was kindly
supplied by ARKEMA. Magnesium sulfate (MgSO4) was obtained
from ThermoFisher Scientific, and sodium hydroxide (granulated, NaOH)
and dichloromethane (DCM) were obtained from Scharlau.
(DMAP), hexamethylenediamine (HMDA), methacrylic anhydride (MAA),
ethylene glycol phenyl ether methacrylate (EGPMA), benzophenone (BP),
2,2-dimethoxy-2-phenylacetophenone (DMPA) and phenyl bis(2,4,6-trimethylbenzoyl)
phosphine oxide (BAPO) were purchased from Sigma-Aldrich. Vanillin
(Van) and sodium bicarbonate (NaHCO3) were provided from
ACROS Organics. Diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide
(TPO) was supplied by Ciba Specialty Chemicals Inc. 1,1-Di(t-amyl peroxy) cyclohexane (LUPEROX 531 M60) was kindly
supplied by ARKEMA. Magnesium sulfate (MgSO4) was obtained
from ThermoFisher Scientific, and sodium hydroxide (granulated, NaOH)
and dichloromethane (DCM) were obtained from Scharlau.
3
Functionalized Cork-ASA Composite Preparation
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Cork particles with a diameter of 63–125
μm and an average density of ρ = 200 kg/m3 were
supplied by the company Corchos del Estrecho, obtained from cork dust
residues from the sanding processes during the manufacture of cork
stoppers. ASA pellets (ASA LI912, ρ = 1100 kg/m3)
were purchased from LG Chem. Acetic anhydride, pyridine, and sodium
hydroxide were purchased from Sigma-Aldrich. Acryloyl chloride (96%),
triethylamine (TEA), n-butyl acrylate (nBA, +98%) and 2,2′-azobis(2-methylpropionitrile) (AIBN) were
purchased from Alfa Aesar. Toluene, dimethylformamide (DMF), dichloromethane
(DCM), and isopropanol were purchased from Scharlau.
μm and an average density of ρ = 200 kg/m3 were
supplied by the company Corchos del Estrecho, obtained from cork dust
residues from the sanding processes during the manufacture of cork
stoppers. ASA pellets (ASA LI912, ρ = 1100 kg/m3)
were purchased from LG Chem. Acetic anhydride, pyridine, and sodium
hydroxide were purchased from Sigma-Aldrich. Acryloyl chloride (96%),
triethylamine (TEA), n-butyl acrylate (nBA, +98%) and 2,2′-azobis(2-methylpropionitrile) (AIBN) were
purchased from Alfa Aesar. Toluene, dimethylformamide (DMF), dichloromethane
(DCM), and isopropanol were purchased from Scharlau.
4
Solid-Phase Peptide Synthesis Reagents
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Fmoc-L-phenylalanine, Fmoc-L-glutamic acid 5-tert-butyl ester, and N-α-Fmoc-N-ß-trityl-L-asparagine were procured from Fluka (Buchs, Switzerland), while Fmoc-O-tert-butyl-L-tyrosine was sourced from Roth (Karlsruhe, Germany). Furthermore, Rink amide resin (4-(2′,4′-dimethoxyphenyl-Fmoc-aminomethyl)phenoxy resin, PEPTIPURE®, 100–200 mesh, 0.3–0.8 mmol·g−1, 1% DVB) purchased also from Roth was used as a solid support. Various chemical reagents essential for experimental procedures were obtained from reputable suppliers. Dimethyl sulfoxide (DMSO, EMSURE ACS), diethyl ether (EMSURE ACS), N,N-dimethylformamide (DMF), piperidine (PYP), triisopropylsilane (TIS), acetic acid, benzotriazol-1-yl-oxytripyrrolidino phosphonium hexafluorophosphate (PyBOP), N-methylmorpholine (NMM), 2,5-dihydroxybenzoic acid (DHB), α-cyano-4-hydroxycinnamic acid (HCCA), and NaH2PO4 were acquired from Merck (Darmstadt, Germany). Dichloromethane (DCM) was sourced from Scharlab (Barcelona, Spain), while methanol, acetonitrile (ACN, HPLC grade), and trifluoroacetic acid (TFA) were obtained from Carl Roth (Karlsruhe, Germany). All solutions were prepared meticulously using water of high purity with a resistivity of 18.2 MΩ∙cm, generated through a Millipore Milli-Q system (Bedford, MA, USA).
5
Bosentan-loaded PLGA Nanoparticles
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Poly(lactic-co-glycolic acid) polymer (50:50) (PURASORB® PDLG 5002A, inherent viscosity of 0.2 dL/g) was generously donated from PURAC (Gorinchem, Netherlands). Bosentan was supplied by Parabolic (Chandigarh, India). Polyvinyl alcohol (PVA) (98–99% hydrolyzed with Low Mwt.) was purchased from Alfa Aesar (Karlsruhe, Germany). Sodium lauryl sulfate (SLS) was obtained from Oxford (Mumbai, India). Dichloromethane (DCM), sodium dihydrogen phosphate, sodium hydroxide pellets and methanol were obtained from Scharlau (Barcelona, Spain). Pure acetone was purchased from El Nasr pharmaceutical Chemicals Co. (Cairo, Egypt). All solvents used were HPLC grade.
6
PLGA-PEG Nanoparticles for Interferon Delivery
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PLGA (50:50, M w = 8000, Resomer ® RG 502H) with free carboxyl end groups was supplied by Boehringer Ingelheim, Germany. PLGA-PEG (RESOMER Select 5050 DLG PEG 6000 (10 wt% PEG)) was obtained from Evonik, US. Dichloromethane (DCM) was purchased from Scharlab, Hungary. Polyvinyl alcohol (PVA, M w = 30,000-70,000), and phosphate-buffered saline (PBS, pH 7.4) were products of Sigma-Aldrich, Germany. Poloxamer (Pluronic ® F68, M w = 8350) was from BASF, Germany. Roferon A ® (human IFN -2a) and Pegasys 180 (pegylated human IFN -2a) were obtained from Roche, Switzerland. The ELISA kits were purchased from IBL International Gmbh, Germany. The human blood plasma was supplied by the Hungarian National Blood Transfusion Service, Hungary.
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