Search Results - "Otsuka, Makoto"
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Modeling of feed-forward control using the partial least squares regression method in the tablet compression process
Published in International journal of pharmaceutics (30-05-2017)“…[Display omitted] In the pharmaceutical industry, the implementation of continuous manufacturing has been widely promoted in lieu of the traditional batch…”
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Detection of Impurities in Organic Crystals by High-Accuracy Terahertz Absorption Spectroscopy
Published in Analytical chemistry (Washington) (06-02-2018)“…Quantitative detection of impurities in organic crystals was demonstrated by accurately measuring absorption frequencies using a continuous wave gallium…”
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Application of spray freeze drying to theophylline-oxalic acid cocrystal engineering for inhaled dry powder technology
Published in Drug development and industrial pharmacy (01-02-2020)“…Spray freeze drying (SFD) produces suitable particles for the pharmaceutical formulation of dry powders used in dry powder inhalers (DPIs). However, SFD…”
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Non-destructive prediction of enteric coating layer thickness and drug dissolution rate by near-infrared spectroscopy and X-ray computed tomography
Published in International journal of pharmaceutics (15-06-2017)“…[Display omitted] The coating layer thickness of enteric-coated tablets is a key factor that determines the drug dissolution rate from the tablet…”
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Dissolution process analysis using model-free Noyes–Whitney integral equation
Published in Colloids and surfaces, B, Biointerfaces (01-02-2013)“…[Display omitted] ► We derived model-free Noyes–Whitney integral equation. ► Various drug dissolution profiles were well-represented by the integral equation…”
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MCR-ALS analysis of IR spectroscopy and XRD for the investigation of ibuprofen - nicotinamide cocrystal formation
Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (05-10-2019)“…To improve aqueous solubility, a poorly water-soluble active ingredient is classically combined with a conformer to form cocrystals. Hot melt extrusion is one…”
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Quantitation of trace amorphous solifenacin succinate in pharmaceutical formulations by transmission Raman spectroscopy
Published in International journal of pharmaceutics (30-06-2019)“…[Display omitted] It is important to quantify amorphous solid in active pharmaceutical ingredients (API) of formulations to guarantee high-quality…”
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Device-Independent Discrimination of Falsified Amoxicillin Capsules Using Heterogeneous Near-Infrared Spectroscopic Devices for Training and Testing of a Support Vector Machine
Published in Applied spectroscopy (01-10-2021)“…The objective of this work is to demonstrate the potential of near-infrared spectroscopy for common screening of falsified medicines in the field by means of a…”
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Application of Calcium Phosphate as a Controlled-Release Device
Published in Biological & pharmaceutical bulletin (01-11-2013)“…Calcium phosphate (CaP)-based compounds are biocompatible and have been accepted as promising candidates for novel drug-releasing devices. CaP is biodegradable…”
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Analysis of the dehydration process of caffeine using backscattering and transmission Raman spectroscopy
Published in International journal of pharmaceutics (15-09-2017)“…[Display omitted] In the present study, the dehydration process of caffeine hydrate (CAH) was investigated by calibrating the moisture content in the caffeine…”
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Real-Time Monitoring of Critical Quality Attributes during High-Shear Wet Granulation Process by Near-Infrared Spectroscopy Effect of Water Addition and Stirring Speed on Pharmaceutical Properties of the Granules
Published in Pharmaceuticals (Basel, Switzerland) (02-07-2022)“…To produce high-quality pharmaceuticals, a real-time monitoring method for the high-shear wet granulation process (HSWG) was developed based on near-infrared…”
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Characteristic evaluation of the pseudo-polymorphism of amorphous atorvastatin calcium hydrates by terahertz spectroscopy
Published in Colloids and surfaces. A, Physicochemical and engineering aspects (05-12-2021)“…In order to scientifically elucidate the difference in the dissolution characteristics of crystalline atorvastatin calcium (ATCH) and the amorphous ATC solids…”
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医薬品製造工程管理の進歩─物理薬剤学から医薬品自動生産へ─(粉屋のたしなみ)
Published in YAKUGAKU ZASSHI (01-12-2021)Get full text
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Near-infrared spectroscopy-based nondestructive at-line analysis of physicochemical properties of atorvastatin calcium hydrate after grinding
Published in Journal of drug delivery science and technology (01-05-2022)“…The purpose of this study was to monitor the physicochemical properties of atorvastatin calcium sesquihydrate (ATC) ground products during grinding and to…”
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Analytical Evaluation of Wet and Dry Mechanochemical Syntheses of Calcium-Deficient Hydroxyapatite Containing Zinc Using X-ray Diffractometry and Near-Infrared Spectroscopy
Published in Pharmaceutics (01-10-2022)“…Calcium-deficient zinc-containing calcium phosphate (ZnAP), which has sustained zinc release properties that are effective for treating osteoporosis, can be…”
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Effects of lubricant-mixing time on prolongation of dissolution time and its prediction by measuring near infrared spectra from tablets
Published in Drug development and industrial pharmacy (01-04-2012)“…The relationship between lubricant-mixing time and dissolution time was investigated, and we established a calibration model to predict dissolution time by…”
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Precise Evaluation of the Effects of a Small Amount of D-histidine in L-histidine Crystal Form B Using High-Frequency-Accurate Terahertz Spectroscopy
Published in Journal of infrared, millimeter and terahertz waves (01-05-2020)“…The effects of small amounts of enantiomeric impurities on the vibrational modes of polycrystalline L-histidine (His) were examined using…”
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Algorithm and hyperparameter optimizations for hetero-device classification by near-infrared spectra of falsified and substandard amoxicillin capsules
Published in Analytical sciences (01-10-2022)“…In this work, we optimized classification algorithms and the hyperparameters for screening falsified and substandard amoxicillin capsules. The distribution of…”
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ATR/FT-IR and NIR Auto-correlation Spectroscopic Analysis of Powder Blending Uniformity of Low-content Magnesium Stearate and Potato Starch
Published in Analytical Sciences (01-01-2017)“…Here, we report on near-infrared and ATR/FT-IR spectroscopic measurements of magnesium stearate and potato starch powder blends. In the pharmaceutical and food…”
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