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Journal articles on the topic 'HPMT'

Author: Grafiati

Published: 5 June 2025

Last updated: 16 July 2025

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1

Britton, D., M. Apollonio, and M. Ryan. "Precision fitting function for HPMT spectra." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 504, no. 1-3 (2003): 298–300. http://dx.doi.org/10.1016/s0168-9002(03)00782-4.

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2

Bleoanca, Iulia, Livia Patrașcu, and Daniela Borda. "Quality and Stability Equivalence of High Pressure and/or Thermal Treatments in Peach–Strawberry Puree. A Multicriteria Study." Foods 10, no. 11 (2021): 2580. http://dx.doi.org/10.3390/foods10112580.

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A bottom-up approach identifying equivalent effects of high-pressure processing (HPP—600 MPa, 20 °C, 10 min), thermal treatment (TT—70 °C, 15 min) and high pressure-mild thermal processing (HPMT—600 MPa, 50 °C, 10 min) on quality and stability of peach–strawberry puree was applied during refrigerated storage. TT and HPP ensured 3-log aerobic bacteria inactivation at first, while HPMT reduction was below the detection limit. After 21 days all samples had equivalent microbiological stability. A 2.6-fold increase in the residual activity of PPO and POD was found in the HPP sample compared to TT a

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3

Kwaw, Albert Kwame, Zhi Dou, Jinguo Wang, et al. "Influence of Clay on Solute Transport in Saturated Homogeneous Mixed Media." Geofluids 2021 (August 25, 2021): 1–14. http://dx.doi.org/10.1155/2021/1207971.

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In this study, four homogeneous porous media (HPM1-HPM4), consisting of distinct proportions of sand-sized and clay-sized solid beads, were prepared and used as single fracture infills. Flow and nonreactive solute transport experiments in HPM1-HPM4 under three flow rates were conducted, and the measured breakthrough curves (BTCs) were quantified using conventional advection-dispersion equation (ADE), mobile-immobile model (MIM), and continuous time random walk (CTRW) model with truncated power law transition time distribution. The measured BTCs showed stronger non-Fickian behaviour in HPM2-HPM

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4

Alfano, Angelo J. "Hybrid Photomultiplier: Its Characterization and Application as a Wide-Dynamic-Range Photon Detector." Applied Spectroscopy 52, no. 2 (1998): 303–7. http://dx.doi.org/10.1366/0003702981943400.

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The hybrid photomultiplier (HPMT) is commercially available in proximity- and electrostatically focused versions, and both contain a photocathode and a PIN-diode substrate. This recent addition to the family of photon detectors offers good timing characteristics, reasonable gain, excellent pulse height distribution, and a wide dynamic range. This report provides details on the wiring and characterization of a typical electrostatically focused production device for gain, impulse response, and pulse height and pulse integral linearity. A gain of 1.8 × 103 was obtained at less than the maximum hi

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5

D'Ambrosio, C., T. Gys, H. Leutz, D. Piedgrossi, D. Puertolas, and S. Tailhardat. "Photon counting with a hybrid photomultiplier tube (HPMT)." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 338, no. 2-3 (1994): 389–97. http://dx.doi.org/10.1016/0168-9002(94)91321-8.

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6

Aldio, Rieza Zulrian, and Zainol Mustafa. "DRILL BIT SELECTION USING DESIGN OF EXPERIMENTS (DoE) METHOD." Journal of Renewable Energy & Mechanics (REM) 3, no. 01 (2020): 39–43. http://dx.doi.org/10.25299/rem.2020.vol3.no01.4597.

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Drilling process is one of the most common machning process in industrial sector. More than half of the metal-cutting processes are conducted by the drilling process. Drill bit has influenced the results of the drilling process. Therefore, selection of the suitable drill bit becomes a critical factor in the drilling process. This is because the use of the suitable drill bit could fulfill the determined specification value of the hole. Six Sigma and Failure Mode Effect Analysis (FMEA) methods are used to identify factors that have influenced the results of the drilling process. Then by using th

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7

Aldio, Rieza Zulrian, and Zainol Mustafa. "DRILL BIT SELECTION USING DESIGN OF EXPERIMENTS (DoE) METHOD." Journal of Renewable Energy and Mechanics 3, no. 01 (2020): 39–43. https://doi.org/10.25299/rem.2020.4597.

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Drilling process is one of the most common machning process in industrial sector. More than half of the metal-cutting processes are conducted by the drilling process. Drill bit has influenced the results of the drilling process. Therefore, selection of the suitable drill bit becomes a critical factor in the drilling process. This is because the use of the suitable drill bit could fulfill the determined specification value of the hole. Six Sigma and Failure Mode Effect Analysis (FMEA) methods are used to identify factors that have influenced the results of the drilling process. Then by using th

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8

Tao, Yichen, Chengpeng He, Deng Lin, Zhenglong Gu, and Weilin Pu. "Comprehensive Identification of Mitochondrial Pseudogenes (NUMTs) in the Human Telomere-to-Telomere Reference Genome." Genes 14, no. 11 (2023): 2092. http://dx.doi.org/10.3390/genes14112092.

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Practices related to mitochondrial research have long been hindered by the presence of mitochondrial pseudogenes within the nuclear genome (NUMTs). Even though partially assembled human reference genomes like hg38 have included NUMTs compilation, the exhaustive NUMTs within the only complete reference genome (T2T-CHR13) remain unknown. Here, we comprehensively identified the fixed NUMTs within the reference genome using human pan-mitogenome (HPMT) from GeneBank. The inclusion of HPMT serves the purpose of establishing an authentic mitochondrial DNA (mtDNA) mutational spectrum for the identific

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9

Ruan, Jinlu, Liang Chen, Leidang Zhou, et al. "Effects of 10 keV Electron Irradiation on the Performance Degradation of SiC Schottky Diode Radiation Detectors." Micromachines 15, no. 11 (2024): 1331. http://dx.doi.org/10.3390/mi15111331.

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The silicon carbide (SiC) Schottky diode (SBD) detector in a SiC hybrid photomultiplier tube (HPMT) generates signals by receiving photocathode electrons with an energy of 10 keV. So, the performance of the SiC SBD under electron irradiation with an energy of 10 keV has an important significance for the application of the SiC-HPMT. However, studies on 10 keV radiation effects on the SiC SBDs were rarely reported. In this paper, the performance degradation of the SiC SBDs irradiated by 10 keV electrons at different fluences was investigated. After the irradiation, the forward current of the SiC

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10

D'Ambrosio, C., C. Ercoli, S. Jaaskelainen, et al. "A HPMT based set-up to characterize scintillating crystals." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 434, no. 2-3 (1999): 387–98. http://dx.doi.org/10.1016/s0168-9002(99)00539-2.

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11

Brandt, E. S. "Selective Enhanced Raman Scattering from an Oxacarbocyanine Dye and 1-Phenyl-5-Mercaptotetrazole Adsorbed to Silver and Silver Halide Surfaces in Photographic Films." Applied Spectroscopy 47, no. 1 (1993): 85–93. http://dx.doi.org/10.1366/0003702934048532.

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Enhanced Raman scattering (ERS) spectroscopy has been used to obtain characteristic vibrational spectra of two photographically-useful molecules adsorbed to the surface of silver-containing photographic coating (film) processing residues. Films containing gelatin dispersions of silver halide microcrystals were coated with a typical oxacarbocyanine spectral sensitizing dye and subsequently treated with a common photographic silver image modifier, 1-phenyl-5-mercaptotetrazole (HPMT). With the selection of a laser excitation frequency within the absorption band of the J-aggregate of the dye (λmax

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12

Sudianto, Agus, Zamberi Jamaludin, and A. A. Abdul Rahman. "New model end milling parameters based on screening test on aluminum alloy (AA6041)." KOLECER Scientific Journal of Mechanical Engineering 1, no. 1 (2025): 1–9. https://doi.org/10.23969/ksjme112025232001-9.

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The manufacturing industry aims to achieve high productivity and quality products in the production process. Many factors have direct and indirect influences on realizing the two production objectives. Among them are part geometry, process conditions, and the environment. The correct and best process selection must be made on the right machine with the optimum parameters in the machining process application. This paper presents the results of screening studies performed on a milling process involving milling parameters such as the cut speed, feeding speed, depth of cut, cutting width, and flut

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13

N., K. JHA, D. SINGH P., N. TIWARI H., K. JHA B., and K. MISHRA L. "Complexes of 5-Phenyl-2-mercapto-1,3,4-thiadiazole with some Bivalent Metal Ions." Journal of Indian Chemical Society Vol. 65, Apr 1988 (1988): 238–39. https://doi.org/10.5281/zenodo.6010603.

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Department of Chemistry, Patna University, Patna-800 005 <em>Manuscript received 28 October 1987, accepted 27 January 1988</em> Complexes of 5-phenyl-2-mercapto-1,3,4-thiadiazole (HPMT) with the metals (M) Ni<sup>II</sup>, Pd<sup>II</sup>, Pt<sup>II</sup>, Zn<sup>II</sup>, Cd<sup>II</sup>, Hg<sup>II</sup> and Pb<sup>II</sup> of the formulae M(PMT)<sub>2</sub>.nH<sub>2</sub>O (n=0 or 2) have been prepared and characterised by magnetic, conductance, uv and it spectral data.

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14

D'Ambrosio, C., T. Gys, E. Heijne, et al. "The ISPA-tube and the HPMT, two examples of a new class of photodetectors: the hybrid photo detectors." Nuclear Physics B - Proceedings Supplements 61, no. 3 (1998): 638–43. http://dx.doi.org/10.1016/s0920-5632(97)00631-2.

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15

Alabdulkarim, Mohamad E., and James L. Maxwell. "High-Pressure Laser Reactive Synthesis Within Diamond Anvil Cells of Carbon Allotropes from Methanol." Crystals 15, no. 4 (2025): 292. https://doi.org/10.3390/cryst15040292.

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This work targets a knowledge gap in the high-pressure decomposition of methanol, complementing prior moderate-pressure diamond anvil studies below 4 GPa and hyperbaric-pressure laser chemical vapour deposition (HP-LCVD) experiments below 0.01 GPa. Localised decomposition of methanol into various carbon allotropes was investigated at pressures of up to 15 GPa. Diamond anvil cell (DAC) pressures were monitored in real-time using ruby fluorescence and a high-resolution spectrometer. Selective saser reactive synthesis within diamond anvil cells (LRS-DAC) was achieved using a 20-micron 1/e2 laser

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16

S., Jyothi Sri* Dr. K. S. Murali Krishna D. Kusuma Ch. Uma Shankar. "FORMULATION AND IN-VITRO EVALUATION OF BENAZEPRIL MOUTH DISSOLVING FILMS." INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES 05, no. 01 (2018): 552–60. https://doi.org/10.5281/zenodo.1162756.

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Oral route is most preferred route by medical practitioners and manufacturer due to highest acceptability of patients. But oral drug delivery systems still need some advancement to be made because of their some drawbacks related to particular class of patients which includes geriatric, pediatric and dysphasic patients associated with many medical conditions as they have difficulty in swallowing or chewing solid dosage forms. The aim of this is to highlight the potential role of fast dissolving drug delivery in achieving effective drug delivery of antihypertensive drug. It gives rapid absorptio

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17

Magee, Wendy C., Nadejda Valiaeva, James R. Beadle, Douglas D. Richman, Karl Y. Hostetler, and David H. Evans. "Inhibition of HIV-1 by Octadecyloxyethyl Esters of (S)-[3-Hydroxy-2-(Phosphonomethoxy)Propyl] Nucleosides and Evaluation of Their Mechanism of Action." Antimicrobial Agents and Chemotherapy 55, no. 11 (2011): 5063–72. http://dx.doi.org/10.1128/aac.05161-11.

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ABSTRACT(S)-1-[3-hydroxy-2-(phosphonomethoxy)propyl]cytosine (HPMPC [cidofovir]) and (S)-9-[3-hydroxy-2-(phosphonomethoxy)propyl]adenine (HPMPA) are potent inhibitors of a variety of DNA viruses. These drugs possess a 3′-hydroxyl equivalent which could support chain extension from an incorporated drug molecule. HPMPC and HPMPA were initially reported to lack activity against human immunodeficiency virus type 1 (HIV-1); more recent results have shown that the octadecyloxyethyl (ODE) and hexadecyloxypropyl (HDP) esters of HPMPA are potent inhibitors of the virus. We have synthesized the ODE este

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18

Hussein, Emad I., Khalid Al-Batayneh, Majed M. Masadeh, et al. "Assessment of Pathogenic Potential, Virulent Genes Profile, and Antibiotic Susceptibility of Proteus mirabilis from Urinary Tract Infection." International Journal of Microbiology 2020 (February 7, 2020): 1–5. http://dx.doi.org/10.1155/2020/1231807.

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Proteus mirabilis is the third most common bacterium that can cause complicated UTI, especially in catheterized patients. Urovirulence genes of P. mirabilis strains are poorly identified among UTI patients. The aims of the present study were to determine the prevalence of the uropathogenic P. mirabilis strains isolated from UTI patients by the detection of several P. mirabilis virulence genes and to characterize the antibiotic susceptibility profile of P. mirabilis isolates. P. mirabilis isolates were collected from urine specimens of patients suffering from UTI. Virulence genes in P. mirabili

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19

Ryan, Michael J., and Curt D. Sigmund. "HPRT Targeting." Arteriosclerosis, Thrombosis, and Vascular Biology 23, no. 11 (2003): 1960–62. http://dx.doi.org/10.1161/01.atv.0000096608.44578.d9.

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20

García, Marta G., Rosa J. Torres, Carmen Prior, and Juan G. Puig. "Normal HPRT coding region in complete and partial HPRT deficiency." Molecular Genetics and Metabolism 94, no. 2 (2008): 167–72. http://dx.doi.org/10.1016/j.ymgme.2008.01.006.

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21

Mahallingan, K., Vedamurthy Joshi, and Nagaraja Sreeharsha. "Utilizing Natural Mucoadhesive Polymers for Development of Nanoparticle Based Cilnidipine Buccal Films." Journal of Advanced Zoology 44, no. 3 (2023): 1227–34. http://dx.doi.org/10.17762/jaz.v44i3.1658.

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The less oral bioavailability of Cilnidipine is primarily due to low solubility leads to reduced therapeutic efficacy. The study aimed to develop mucoadhesive buccal films to increase the bioavailability resulting in improved efficacy of this pooly soluble drug trough the buccal mucosa for the treatment of hypertension. Buccal films of Cilnidipine nanoparticles were developed by using different concentration of polymers such as HPMS K4M, HPMC K15M and Carbopol 934 by solvent casting technique. The developed films were characterized for the surface texture, thickness, surface pH, folding endura

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22

Uphoff, T. S., and R. A. Welch. "Nucleotide sequencing of the Proteus mirabilis calcium-independent hemolysin genes (hpmA and hpmB) reveals sequence similarity with the Serratia marcescens hemolysin genes (shlA and shlB)." Journal of Bacteriology 172, no. 3 (1990): 1206–16. http://dx.doi.org/10.1128/jb.172.3.1206-1216.1990.

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23

Sharma, Anu, Kamalika Mukherji, and Chetan Shah. "Abstract : stomp in HPFT." BJPsych Open 7, S1 (2021): S220. http://dx.doi.org/10.1192/bjo.2021.587.

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AimsAnalyse the pattern of psychotropic drug use and deprescribing (in the context of STOMP) in people with Intellectual disability and Challenging behaviour in Hertfordshire community team(s) during 2016-17. STOMP stands for Stopping Over Medication in People with Learning Disability, Autism or both.BackgroundPublic Health England in 2015 estimated that on an average day in England, between 30,000 and 35,000 adults with a learning disability, autism or both were taking prescribed psychotropics without appropriate clinical indications . HPFT signed up to the STOMP pledge in 2017 to actively re

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24

Johnson, Paul A., and Theodore Friedmann. "69 THE HPRT PROMOTER." Pediatric Research 24, no. 1 (1988): 122. http://dx.doi.org/10.1203/00006450-198807000-00093.

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25

O'Neill, Patrick. "HPRT Mutation Spectrum Reporting." Environmental and Molecular Mutagenesis 36, no. 4 (2000): 335–36. http://dx.doi.org/10.1002/1098-2280(2000)36:4<335::aid-em9>3.0.co;2-5.

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26

Yao, Risheng, Jiajia Xu, Xihua Lu, and Shengsong Deng. "Phase Transition Behavior of HPMC-AA and Preparation of HPMC-PAA Nanogels." Journal of Nanomaterials 2011 (2011): 1–6. http://dx.doi.org/10.1155/2011/507542.

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The lower critical solution temperature (LCST) of hydroxypropyl methylcellulose (HPMC) under mixing with acrylic acid (AA) monomer has been studied by turbidity measurements. It has been found that the LCST of the HPMC was drastically reduced from 60°C to 38°C with the increase of the concentration of AA, while the HPMC is kept at 0.5 wt%. The driving force shifting the LCST is attributed to the hydrogen bonding and hydrophobic interaction of the molecules. Then surfactant-free HPMC-PAA nanogels have been synthesized via the polymerization of AA monomer with the collapsed HPMC as a template or

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27

Dr.A.Yasodha. "FORMULATION AND DEVELOPMENT OF ORAL DISSOLVING FILMS OF BUMETANIDE." iajps,csk publications 03, no. 11 (2016): 1424–36. https://doi.org/10.5281/zenodo.208205.

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Objective: Formulation and Development of oral dissolving Films of Bumetanide. Materials and methods: BUMETANIDE, HPMC E-50, HPMC E-5, HPMC E-3, PE, 4000 (Flakes) and Aspartame. Citric Acid could be formulated with low viscosity film formers viz. HPMC E50 in combination with HPMC E5, E15. Bumetanide could be successfully incorporated in FDFs with of the above polymers and polyethylene glycol 4000 is used as a plasticizer. PEG 4000 itself has a solubulizing affect and result in faster dissolution. Hence, there is no need of superdisintegrants. Use of low viscosity grade HPMC polymers resulted i

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28

Hsing, Wen Hao, Ching Wen Lou, Ching Wen Lin, Jin Mao Chen, and Jia Horng Lin. "Effects of the Content of High Strength Polyethylene Terephthalate Fiber and Kevlar Fiber on Properties of Geotextiles." Applied Mechanics and Materials 365-366 (August 2013): 1082–85. http://dx.doi.org/10.4028/www.scientific.net/amm.365-366.1082.

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Geotextiles have been commonly used globally, making the control of material selection to influence geotextiles properties an important research topic. This study aims to explore the effects of the ratio of high-strength polyethylene terephthalate (HPET) fiber to Kevlar fiber on hybrid geotextiles. At the first stage, HPET and polyethylene terephthalate (PET) fiber are combined to make HPET/PET hybrid geotextile and then tested for porosity and water permeability, determining the optimum HPET/PET ratio. At the second stage, with a content of 60 % PET fibers, HPET fibers and Kevlar fibers are m

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29

Kampa, Jansuda, Richard Frazier, and Julia Rodriguez-Garcia. "Development of Saturated Fat Replacers: Conventional and Nano-Emulsions Stabilised by Lecithin and Hydroxylpropyl Methylcellulose." Foods 11, no. 16 (2022): 2536. http://dx.doi.org/10.3390/foods11162536.

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The combination of two emulsifiers, lecithin and hydroxypropyl methylcellulose (HPMC), into emulsions is an interesting strategy to design fat replacers in food matrices. The objective of this study was to investigate the effect of HPMC type and concentration on the formation, stability, and microstructure of conventional emulsions and nanoemulsions. Two different types of HPMC with low and high content of methyl and hydroxypropyl groups (HPMC-L and HPMC-H) were evaluated. The results showed that the molecular structure and concentration of HPMC play a major role in the viscoelastic behaviour,

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30

Ding, Zhu, Xiaodong Wang, Jay Sanjayan, Patrick Zou, and Zhi-Kun Ding. "A Feasibility Study on HPMC-Improved Sulphoaluminate Cement for 3D Printing." Materials 11, no. 12 (2018): 2415. http://dx.doi.org/10.3390/ma11122415.

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A novel 3D printing material based on hydroxypropyl methylcellulose (HPMC)—improved sulphoaluminate cement (SAC) for rapid 3D construction printing application is reported. The hydration heat, setting time, fluidity of paste and mortar, shape retainability, and compressive strength of extruded SAC mortar were investigated. HPMC dosage, water-to-cement (W/C) ratio, and sand-to-cement (S/C) ratio were studied as the experimental parameters. Hydration heat results reveal HPMC could delay the hydration of SAC. The initial and final setting time measured using Vicat needle would be shortened in the

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Nagai, Daisuke, Naoki Isobe, Tatsushi Inoue, Shusuke Okamoto, Yasuyuki Maki, and Takeshi Yamanobe. "Preparation of Various Nanomaterials via Controlled Gelation of a Hydrophilic Polymer Bearing Metal-Coordination Units with Metal Ions." Gels 8, no. 7 (2022): 435. http://dx.doi.org/10.3390/gels8070435.

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We investigated the gelation of a hydrophilic polymer with metal-coordination units (HPMC) and metal ions (PdII or AuIII). Gelation proceeded by addition of an HPMC solution in N-methyl-2-pyrrolidone (NMP) to a metal ion aqueous solution. An increase in the composition ratio of the metal-coordination units from 10 mol% to 34 mol% (HPMC-34) increased the cross-linking rate with AuIII. Cross-linking immediately occurred after dropwise addition of an HPMC-34 solution to the AuIII solution, generating the separation between the phases of HPMC-34 and AuIII. The cross-linking of AuIII proceeded from

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Katona, Jaroslav, Verica Sovilj, Lidija Petrovic, and Nenad Mucic. "Tensiometric investigation of the interaction and phase separation in a polymer mixture-ionic surfactant ternary system." Journal of the Serbian Chemical Society 75, no. 6 (2010): 823–31. http://dx.doi.org/10.2298/jsc100112056k.

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The interaction and phase separation in a ternary mixture composed of hydroxypropyl methyl cellulose (HPMC), sodium carboxymethyl cellulose (NaCMC), and sodium dodecylsulfate (SDS) were investigated by tensiometry. Surface tension measurements of binary mixtures (0.7 % HPMC and 0.00-2.00 % SDS) and of ternary mixtures (0.7 % HPMC, 0.3 % NaCMC, and 0.00-2.00 % SDS) were performed. The measurements indicated interaction between HPMC and SDS, which resulted in HPMC-SDS complex formation. The critical association concentration, CAC, and polymer saturation point, PSP, were determined. Phase separat

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MAHAJAN, NILESH M., Kalyanee Wanaskar, Yogesh Bhutada, Raju Thenge, and Vaibhav Adhao. "DESIGN AND IN VITRO EVALUATION OF EXTENDED RELEASE TABLET OF NATEGLINIDE." Journal of Drug Delivery and Therapeutics 8, no. 5-s (2018): 235–39. http://dx.doi.org/10.22270/jddt.v8i5-s.2012.

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The aim of present study is to formulate and evaluate extended release matrix tablet of Nateglinide by direct compression method using different polymer like HPMC K4 and HPMC K15. Matrix tablet of nateglidine were prepared in combination with the polymer HPMC K4, HPMC K15, along with the excipients and the formulations were evaluated for tablet properties and in vitro drug release studies. Nateglinide matrix tablet prepared by using polymer such as HPMC K4 and HPMC K15, it was found that HPMC K15 having higher viscosity as compare to HPMC K4 therefore different concentration of polymer were st

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34

Dawson, Paul A., Ross B. Gordon, Dianne T. Keough, and Bryan T. Emmerson. "Normal HPRT coding region in a male with gout due to HPRT deficiency." Molecular Genetics and Metabolism 85, no. 1 (2005): 78–80. http://dx.doi.org/10.1016/j.ymgme.2005.01.005.

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35

Mosquera, M. "Effects of hydroxymethylpropylcellulose (HPMC) moisture content on hydrochlorothiazide release from HPMC-based tablets." International Journal of Pharmaceutics 135, no. 1-2 (1996): 147–49. http://dx.doi.org/10.1016/0378-5173(95)04467-1.

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36

Deubel, Werner, Ioannis D. Bassukas, Werner Schlereth, Reinhard Lorenz, and Klaus Hempel. "Age dependent selection against HPRT deficient T lymphocytes in the HPRT± heterozygous mouse." Mutation Research/Fundamental and Molecular Mechanisms of Mutagenesis 351, no. 1 (1996): 67–77. http://dx.doi.org/10.1016/0027-5107(95)00214-6.

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37

Hastuti, Resti, Srie Rezeki Nur Endah, and Ali Nofriyaldi. "FORMULASI DAN UJI STABILITAS FISIK SEDIAAN GEL EKSTRAK DAUN ALPUKAT (Persea americana. Mill)." Pharmacoscript 3, no. 2 (2020): 150–61. http://dx.doi.org/10.36423/pharmacoscript.v3i2.390.

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Telah dilakukan penelitian tentang Formulasi dan Uji Stabilitas Fisik Sediaan Gel Ekstrak Daun Alpukat (Persea americana. Mill). Penelitian ini bertujuan untuk mengetahui formula yang paling baik dari sediaan gel ekstrak daun alpukat dengan variasi basis HPMC, meliputi evaluasi sediaan gel yang dilakukan dengan pengamatan organoleptis, pengamatan homogenitas, uji pH, uji daya sebar, pengukuran viskositas dan pengujian cycling test. Formulasi dan Uji Stabilitas Fisik Sediaan Gel Ekstrak Daun Alpukat (Persea americana. Mill) dilakukan tiga formula dengan berbagai variasi konsentrasi HPMC yaitu 1

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Sun, Zhao, Yan Ping Liu, and Xi Jun Liu. "Synthesis and Characterization of PBA-P(MMA-HPMA) Core-Shell Latex Particles." Advanced Materials Research 750-752 (August 2013): 854–57. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.854.

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In this paper, Taken the methyl hydroxypropyl acrylate (HPMA) as functional monomer, a novel poly (butyl acrylate)-poly (methyl methacrylate-methyl hydroxypropyl acrylate) (PBA-P(MMA-HPMA)) core-shell latex particles were synthesized by the method of pre-emulsion semi-continuous seeded emulsion polymerization. The structure and morphology of core-shell latex particles were characterized by the way of laser particle size analyzer, transmission electron microscope (TEM), fourier transform infrared spectrometer (FTIR), nonaqueous acid-base titration, differential scanning calorimetry (DSC). Exper

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Suhesti, Tuti Sri, M. Mudrik H. Rohman, and Sunarto Sunarto. "Formulation of Gel Hand Sanitizer of Nagasari Leaf Extract (Mesua ferrea L.)." Indonesian Journal of Pharmaceutical Science and Technology 1 (January 5, 2022): 31. http://dx.doi.org/10.24198/ijpst.v1i1.36465.

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Nagasari (Mesua ferrea L.) is one of the biodiversity to be developed as an antiseptic preparation. These plants are known to contain flavonoid compounds, tannins, and terpenoids that act as antibacterial. Hand sanitizer gel preparations can increase the effectiveness of topically. The physical properties of a good gel depend on a gelling agent, one of which is HPMC. The purpose of this study was to determine the effect of variations in HPMC levels on physical properties and antibacterial activity. Gels were prepared with various HPMC levels of 1%, 2%, and 3%. The gel was tested for physical p

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P. Poornima, Rashmi Bagri, and G. Tulja Rani. "In vitro alcohol induced dose dumping studies for Quetiapine fumarate floating drug delivery systems." International Journal of Biological and Pharmaceutical Sciences Archive 6, no. 1 (2023): 049–58. http://dx.doi.org/10.53771/ijbpsa.2023.6.1.0074.

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Alcohol dose dumping can occur due to the solubility of the pharmaceutical excipients, the solubility of the drug, and the formulation’s drug release mechanism. Cellulosics are the most commonly used polymers in pharmaceutical controlled release technologies. The ethanol vulnerability of tablets made with HPMC K250, HPMC K750 and HPMC K1500 were investigated with the low soluble drug quetiapine fumarate. Quetiapine fumarate is an antipsychotic drug and it is suitable drug candidate for FDDS due to its solubility in low pH. HPMC K250, HPMC K750 and HPMC K1500 were used as a polymer matrix to co

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K., Venkateswara Reddy* Shimoga Nagaraj Sriharsha and S. Sujatha. "FORMULATION AND EVALUATION OF FLOATING MATRIX TABLETS OF TAPENTADOL HCL." IAJPS,CSK PUBLICATIONS 03, no. 12 (2016): 1461–69. https://doi.org/10.5281/zenodo.220872.

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The objective of the present study is to evaluate HPMC K100M, HPMC K15M and carbopol 934P as matrix formers in this design of floating tablets of tapentadol, a poorly water soluble drug. Floating tablet s of tapentadol (100 mg) were formulated employing (i) HPMC K100M (ii) HPMC K15M and (iii) Carbopol 934P as matrix formers at 30% and 50% strength, sodium bicarbonate at 7.5%, 10% & 12.5% strength as gas generating agent and the tablets were evaluated for floating and drug releases characteristics. Tapentadol floating tablets formulated employing HPMC K100M and HPMC K15M as matrix formers a

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Zheng, Jiao, Bo Wang, Jia Xiang, and Zhengyu Yu. "Controlled Release of Curcumin from HPMC (Hydroxypropyl Methyl Cellulose) Co-Spray-Dried Materials." Bioinorganic Chemistry and Applications 2021 (June 15, 2021): 1–6. http://dx.doi.org/10.1155/2021/7625585.

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In order to achieve the controlled release of curcumin, HPMC (hydroxypropyl methyl cellulose) was spray dried with curcumin and lactose. The spray-dried materials were pressed into tablets with a diameter of 8 mm, and their release characteristics in vitro were measured. In vitro experiments showed that the release of curcumin from the HPMC mixture was significantly slower due to the sustained-release property of HPMC as a typical excipient. The release profile of curcumin from the HPMC mixture was relatively stable for a controlled release. SEM images show that the HPMC co-spray-dried powders

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Kraisit, Pakorn, Manee Luangtana-Anan, and Narong Sarisuta. "Effect of Various Types of Hydroxypropyl Methylcellulose (HPMC) Films on Surface Free Energy and Contact Angle." Advanced Materials Research 1060 (December 2014): 107–10. http://dx.doi.org/10.4028/www.scientific.net/amr.1060.107.

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The aim of this study was to investigate the physicochemical characteristics of various viscosity grades of hydroxypropyl methylcellulose (HPMC) for mucoadhesive buccal films. The HPMC used in this study was K4M, K15M and K100M which their viscosity were 4000, 15000 and 100000 mPas respectively. Using HPMC as film forming base matrix, all intrinsic characteristics of each HPMC grade is required as basic knowledge for the development of mucoadhesive buccal films. To understand the primary essential parameters, surface free energy and contact angle of various HPMC grades were determined. Sessile

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Kumar, Sunil, Sandeep Dongre, Raghu S, T. Demappa, and J. Sannappa. "Structural and Mechanical characteristic study of HPMC polymer composite films." IOP Conference Series: Materials Science and Engineering 1221, no. 1 (2022): 012011. http://dx.doi.org/10.1088/1757-899x/1221/1/012011.

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Abstract Hydroxypropyl methylcellulose (HPMC) were extensively known material in packaging, agriculture, medicine, electrolytes in solid state batteries and other areas due to the exceptional biocompatibility and easy production, however shows lower mechanical behaviour. The current investigation was embraced to delineate the effect of potassium iodide (KI) on structural and mechanical properties of biopolymer electrolyte films grounded on Hydroxypropyl methylcellulose (HPMC). The liquidation of the salt into the polymer crowd is done by solution cast technique and the X – Ray diffraction (XRD

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Perumalla, Ashok Kumar 1. *. Dr. Deenanath Jhade 2. "FORMULATION AND INVITRO EVALUATION OF RIZATRIPTAN ORAL THIN FILMS." Journal of Scientific Research in Pharmacy 7, no. 7 (2018): 74–78. https://doi.org/10.5281/zenodo.1318318.

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<strong><em>ABSTRACT</em></strong> <strong><em>I</em></strong><em>n present study oral thin films of Rizatriptan was developed to have a faster on set of action. The oral thin films were developed by using polymers HPMC E5, HPMC E 15 and PVP K90.Oral thin films were prepared by employing solvent casting method. Propylene glycol was selected as permeation enhancer and plasticizer. Drug excipient compatibility studies were carried out by using FTIR, and it was observed that there were no interactions. Formulations were prepared with the varying concentrations polymers ranging from F1-F12, and al

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Shikata, Shinichi, Eiichi Kamei, Koji Yamaguchi, Yuki Tsuchida, and Hiroyuki Takahashi. "Dislocation Analysis of p Type and Insulating HPHT Diamond Seed Crystals." Materials Science Forum 924 (June 2018): 208–11. http://dx.doi.org/10.4028/www.scientific.net/msf.924.208.

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The dislocation of a p+ high-temperature, high-pressure (HPHT) seed crystal is analyzed by X-ray topography using a SR light source, and compared with that of an insulating HPHT seed crystal. The dislocation density of the typical insulating HPHT substrate is around 250 cm-2. Over several years, significant progress has been achieved in reducing the dislocation density of the typical insulating HPHT substrate from the order of 104–105 cm-2 to 102 cm-2. The p+ HPHT seed crystal has unique properties, especially in terms of the number of stacking faults (SFs), and very clear growth sector bounda

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Liu, Xiao Zhou, Xiao Zhen Liu, Zhong Fang Lai, Yue Xing Song, and Li Zhai. "Preparation and Performance of Controlled-Release Tablets of Sasanquasaponin-Sodium Alginate-Hydroxypropyl Methyl Cellulose." Advanced Materials Research 884-885 (January 2014): 494–97. http://dx.doi.org/10.4028/www.scientific.net/amr.884-885.494.

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The controlled-release tablets of sasanquasaponin-sodium alginate-hydroxy-propyl methyl cellulose (SQS-SAL-HPMC) were prepared by using SQS, SAL and HPMC as the main drug and accessories. The effects of the preparation method of the controlled-release powder and the amount of ethanol on release rate respectively were studied. The release rate curve of the data of the prescription of the controlled-release tablets of SQS-SAL-HPMC were fitted as zero order, one order and Higuchi equation. The controlled-release tablet of SQS-SAL-HPMC was characterized by IR techniques. The releasing rate of the

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Jaimini, Rohit, Manish K. Gupta, and Vijay Sharma. "A Review on Formulation and Evaluation of Gastroretentive Floating Tablet of Nifedipin." Journal of Drug Delivery and Therapeutics 9, no. 4 (2019): 651–56. http://dx.doi.org/10.22270/jddt.v9i4.3065.

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Different mass transport processes may occur during drug release from polymer-based matrix tablets, including water imbibition into the system, polymer swelling, drug dissolution, drug diffusion out of the tablet, and polymer dissolution. Depending on the type of drug, polymer and release medium and on the tablet composition, the respective processes are more or less important. Velasco et al.24 reported that the rate and mechanism of nifidipine release from HPMC K15M-based matrices were mainly controlled by the drug/ HPMC ratio, and that drug release was independent of the compression force in

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Haas, Gabrielle, Joerg E. Braun, Cátia Igreja, Felix Tritschler, Tadashi Nishihara, and Elisa Izaurralde. "HPat provides a link between deadenylation and decapping in metazoa." Journal of Cell Biology 189, no. 2 (2010): 289–302. http://dx.doi.org/10.1083/jcb.200910141.

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Decapping of eukaryotic messenger RNAs (mRNAs) occurs after they have undergone deadenylation, but how these processes are coordinated is poorly understood. In this study, we report that Drosophila melanogaster HPat (homologue of Pat1), a conserved decapping activator, interacts with additional decapping factors (e.g., Me31B, the LSm1–7 complex, and the decapping enzyme DCP2) and with components of the CCR4–NOT deadenylase complex. Accordingly, HPat triggers deadenylation and decapping when artificially tethered to an mRNA reporter. These activities reside, unexpectedly, in a proline-rich regi

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Shi, Shih-Chen, and Jason Hsiao Chun Yang. "Preparation of stable biopolymer composite suspension with metal/metal-oxide nanoparticles." Modern Physics Letters B 34, no. 07n09 (2020): 2040028. http://dx.doi.org/10.1142/s021798492040028x.

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Hydroxypropyl methylcellulose (HPMC) is a kind of biopolymer that is biodegradable, environmentally friendly and possesses exceptional mechanical and tribological properties. Therefore, it could be used as a suitable alternative to plastic. However, HPMC deforms easily when subjected to loads, causing higher real contact area and adhesive force between HPMC and grinding counter. Therefore, HPMC films are easily damaged because of adhesive wear, which negatively affects wear resistance. Hence, nanoparticles (NPs) of Al, Cu, Al2O3 and CuO have been used as fillers to increase the wear resistance

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