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Journal articles on the topic 'Poli (lactic acid)'

Author: Grafiati

Published: 24 April 2022

Last updated: 30 July 2025

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1

Kaavessina, Mujtahid, Chitra Husnabilqis, and Meylani Tri Hardiyanti. "Smart-Urea-Controlled-Release-Nitrogen-Fertilizer Menggunakan Plastik Biodegradable Poli Asam Laktat Sebagai Carrier." Equilibrium Journal of Chemical Engineering 1, no. 2 (2017): 39. http://dx.doi.org/10.20961/equilibrium.v1i2.40421.

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<p>Poly lactic acid is a polymer that has been developed as an alternative to substitution of conventional polymers. The properties of this polymer are biodegradable in nature and non-toxic substances. These polymers potentially can be used as a matrix for urea carries. The aim of this research was to synthesize poly lactic acid in a low molecular weight. This product can be used as a matrix that urea release controller during the process of fertilization. The methodology consisted of two stages. The first stage was polycondensation of lactic acid and degradability test. Lactic acid was

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DUDA, ANDRZEJ, and STANISLAW PENCZEK. "Polylactide [poly(lactic acid)]: synthesis, properties and applications." Polimery 48, no. 01 (2003): 16–27. http://dx.doi.org/10.14314/polimery.2003.016.

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Alves, Núria Regina da Rosa, and Thiago Prats Alves. "BIOESTIMULADOR DE COLÁGENO – ÁCIDO POLI- L-LÁCTICO NO ENVELHECIMENTO CUTANEO." Revista ft 29, no. 144 (2025): 19–20. https://doi.org/10.69849/revistaft/dt10202503311819.

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ABSTRACT With facial rejuvenation, the aim is to reduce expression marks, flaccidity and wrinkles on the face, with naturalness and harmony, preserving the particular expression of each face without changing the attributes. Thus, the objective of this article was to study the main benefits of using the collagen biostimulator with poly-l-lactic acid in the facial treatment. The work was developed through a bibliographic review. Five (5) scientific articles composed the sample of this research, resulting from the application of descriptors, inclusion criteria and critical analysis. It was then f

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4

Hutagaol, Ricson P., Lany Nurhayati, and Jessica Analy. "SINTESIS POLI ASAM LAKTAT BERBOBOT MOLEKUL RENDAH MEMAKAI KATALIS STANNUM." Jurnal Sains Natural 1, no. 1 (2017): 94. http://dx.doi.org/10.31938/jsn.v1i1.17.

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Synthesis Of Poly Lactic Acid Catalyst To Use Low-molecular-weight Using Stannum Catalyst Poly lactic acid is a polyester that can be produced using raw materials of renewable natural resources such as starch and cellulose. These polymers can be degraded by hydrolysis process in the body and excreted within a few months. This polymer is not toxic and has been widely used in medical field such as for implants and medium in drug delivery systems (Drug Delivery System, DDS). Low molecular weight polymers that accelerate the degradation and the increasing concentration of drug detachment, while po

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Kemala, Tetty, Achmad Sjahriza, Hendra Adijuwana та Mardiana Hardianti. "DEGRADASI POLIBLEND POLI(ASAMLAKTAT-KO-ASAMGLIKOLAT) DENGAN POLI(ε-KAPROLAKTON) SECARA IN VITRO". Jurnal Riset Kimia 2, № 2 (2015): 174. http://dx.doi.org/10.25077/jrk.v2i2.158.

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ABSTRACT Polymer has many applications in human life, one of them is in the field of health. Polymer synthetics like polylactic acid (PLA), polyglycolic acid (PGA), poly(ε-caprolactone) (PCL), and poly(lactic acid-co-glycolic acid) (PLGA) were kind of polyesters that is many used in field of health. Many researchers have already made research about degradation of PLA, PGA, PCL, and PLGA. However, there is no one doing research about degradation of combination between this two polymers, one of them is polyblend of PLGA and PCL. Polyblend were made of four compositions, that were PLGA(90:10):PCL

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Pebriyanti, Dita. "Pengaruh Jumlah Katalis Stannous Oktoat Pada Pembuatan Poli Asam Laktat dari Limbah Kulit Pisang (Musa Paradisiaca Linn)." Jurnal Scientia Indonesia 1, no. 2 (2015): 109–30. http://dx.doi.org/10.15294/jsi.v1i2.29402.

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Poly lactic acid yang dibuat pada penelitian ini menggunakan asam laktat dari bahan baku limbah kulit pisang kepok. Polimerisasi asam laktat menjadi poli asam laktat dilakukan dengan menggunakan metode ring opening polymerization. Penelitian ini bertujuan untuk mendapatkan konsentrasi katalis dan waktu polimerisasi asam laktat terbaik dalam mendapatkan yield poli asam laktat yang tinggi. Dimana konsentrasi katalis stannous oktoat yang divariasikan adalah 5%, 6% dan 7% dan waktu reaksi 80 menit, 100 menit dan 120 menit. Analisis yang digunakan yaitu analisis gugus fungsi dengan menggunakan Four

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Sitompul, Johnner P., Rizki Insyani, and Hyung Woo Lee. "SIFAT POLIMER DAN KEMAMPUAN TERBIODEGRADASI BLEND BIODEGRADABLE POLYMER POLI (L-ASAM LAKTAT) (PLLA)." Reaktor 15, no. 2 (2014): 79. http://dx.doi.org/10.14710/reaktor.15.2.79-86.

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Poly(D,L-lactic acid) (PDLLA) and poly(ethylene glycol) (PEG) was used to modify mechanical and biodegradability properties of poly(L-lactic acid) (PLLA) through solution blending method using solvent mixture of dichloromethane-ethanol. Polymer samples were then characterized using FTIR, DSC, UTM, and enzymatic degradation test. FTIR spectrum of pure PLLA showed specific IR absorption peaks at wavenumber of 3504 cm-1 (-OH), 1757 cm-1 (-C=O), and 1381 cm-1 (-CH3 symmetric). Further, polymer blend samples showed absorption peak shifts at 1755 cm-1 and 1382 cm-1 for PLLA/PDLLA due to stereocomple

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Marcelo, Januzzi Santos, and Cavalieri Pereira Lucas. "ANÁLISE QUALITATIVA E QUANTITATIVA DO MATERIAL RESIDUAL APÓS A RECONSTITUIÇÃO IMEDIATA DO ÁCIDO POLI-L-LÁTICO." Revistaft 28, no. 131 (2024): 80. https://doi.org/10.5281/zenodo.10719880.

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<strong>Antecedentes</strong> O ácido poli-l-lático é um material injetável composto por um polímero sintético, biocompatível e biodegradável utilizado para correção de flacidez e volume facial. Este material é apresentado na forma liofilizada composta de 150 mg de ácido poli-l-lático, 90 mg de carmelose sódica e 127,5 mg de manitol não-pirogênico. O material deve ser preparado imediatamente antes do uso por reidratação com 5 ml de água estéril para in

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Lages, Renata Bandeira, Lina Monteiro Andrade Bona, Antônio Carlos Martins Portela Filho, and Yves Viana Ramalho Oliveira. "Benefícios da aplicação do bioestimulador de colágeno (ácido poli-l-lático) em face e pescoço – relato de caso." Simmetria Orofacial Harmonizaton in Science 2, no. 7 (2021): 48–53. http://dx.doi.org/10.24077/2021274853.

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Biostimulators are products that aim to correct the loss of soft tissue, depressed and atrophied scars, asymmetries arising from systemic or local disease. Poly-L-lactic acid is a substance that has as one of its purposes the stimulation of collagen production, to improve the skin texture of the region where the product is applied, providing rejuvenation, and restoring the facial contour. This present case report aims to describe the performance and benefits of using PLLA (poly-L-lactic acid). It is one of the pre-packaged injectable fillers approved by the US Food and Drug Administration, bei

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Langwińska, Ewa, Paulina Ciepły, and Łukasz Preibisz. "Delayed-Type Reaction After the Application of Poly-D,L-lactic acid in the Tear Trough Area." Ophthalmology, no. 3 (December 29, 2023): 38–40. http://dx.doi.org/10.5114/oku/177919.

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The number of aesthetic medicine procedures performed is increasing year on year. Among the most common procedures are those involving tissue fillers. Despite their high safety profile, it is essential to consider that these procedures may be associated with adverse reactions. This paper describes the cases of two patients, who have experienced delayed adverse reactions in the form of persistent lumps, after the administration of poly-D,L-lactic acid in the tear trough area. Due to the lack of an established etiology for these occurrences, a standardized treatment has not been described to dat

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Azzadhiya, Fagan Rezka, Aroya Desma Ramadita, Gina Karnela, and Mujtahid Kaavessina. "Kemasan Antistatis Ramah Lingkungan Berbahan Dasar Poli Asam Laktat." Jurnal Teknik Kimia dan Lingkungan 6, no. 1 (2022): 1. http://dx.doi.org/10.33795/jtkl.v6i1.262.

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Kemasan antistatis digunakan untuk melindungi barang elektronik dari kerusakan fisik, lingkungan, dan terhadap electrostatic discharge (ESD). Conductive Polymer Composites (CPC) merupakan material yang dihasilkan dari penambahan nanopartikel konduktif dengan matriks polimer. Poly lactic acid (PLA) atau dikenal dengan poli asam laktat berpotensi sebagai matriks polimer. Carbon nanotubes (CNT) memiliki konduktivitas listrik yang tinggi dikombinasikan dengan rasio aspek yang besar sehingga kompatibel untuk dijadikan filler CPC. Metode penambahan filler dilakukan dengan melt blending dengan presen

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Kwiatkowska, Marlena, and Marek Kozlowski. "Manufacture of poly(lactic acid) fibres from different solvent mixtures by electrospinning method." Polimery 60, no. 07/08 (2015): 480–85. http://dx.doi.org/10.14314/polimery.2015.480.

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Efendy, Gabrella, Indah Dwi Handayani, N. Fauziatul Husni, Siti Habibah, and Mujtahid Kaavessina. "Konduktivitas Listrik Poly(Lactic Acid) dengan Variasi Bahan Isian Karbon: Review." Equilibrium Journal of Chemical Engineering 5, no. 1 (2021): 59. http://dx.doi.org/10.20961/equilibrium.v5i1.54195.

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<p><em>Conductive Polymer Nanocomposites</em> (CPC) merupakan material yang banyak digunakan sebagai sensor, sel fotovoltaik, kapasitor, dioda, dan perangkat energi yang sangat mudah meregang. CPC memiliki beberapa sifat unggul, diantaranya konduktivitas elektrik yang tinggi, ringan, tahan korosi, dan memiliki karakteristik mekanis yang bagus. Konduktivitas elektrik pada polimer diperoleh dan diatur dengan menambahkan bahan isian berbasis karbon seperti: <em>Carbon Black</em> (CB), <em>Carbon Nano Tube</em> (CNT), <em>Graphite</em> maupun &

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14

Ronconi, Annie Kassey Freire Meirelles, Debora Baptista Pereira, Yasmin dos Anjos Garcia, et al. "POLY (LACTIC ACID) FILMS LOADED WITH ATORVASTATIN- POTENTIAL APPLICATION AS A NASAL SPLINT." REVISTA FOCO 16, no. 02 (2023): e904. http://dx.doi.org/10.54751/revistafoco.v16n2-046.

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O desenvolvimento de novos materiais que possam substituir os splints de silicone, no pós-operatório de cirurgias de desvio de septo, tem sido considerado. O poli(ácido lático) (PLA), é um dos polímeros mais estudados como biomateriais, para preparação de suturas cirúrgicas, scaffolds e sistemas de liberação de fármacos devido à sua biocompatibilidade e bioreabsorção. A atorvastatina (ATV) exibe efeitos secundários interessantes na cicatrização de feridas pois promove ação anti-inflamatória, antioxidante, vasodilatadora e imunossupressora, que podem auxiliar na regeneração do tecido ósseo e ca

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Syed Shaharuddin, Sharifah Imihezri, Abdul Rahman Mukhtar, Nur Atiqah Mohd. Akhir, Norhashimah Shaffiar, and Maizatulnisa Othman. "EXPERIMENTAL AND FINITE ELEMENT ANALYSIS OF SOLVENT CAST POLY(LACTIC ACID) THIN FILM BLENDS." IIUM Engineering Journal 20, no. 2 (2019): 197–210. http://dx.doi.org/10.31436/iiumej.v20i2.1119.

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A combined experimental and finite element analysis () investigation was performed to study the effect of incorporating poly(propylene carbonate)(PPC) and curcumin on the mechanical properties of poly(lactic acid) (PLA). In addition, the chemical interaction and morphological changes brought upon by each subsequent additive were also observed. The addition of PPC at 30 wt% into PLA causes a decrease in strength and modulus by 51% and 68% respectively whilst inducing higher elongation by 74%. The resultant decrease in strength and modulus of the PLA/PPC blend was recovered by adding a low weigh

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Miricescu, Daniela, Daniela Gabriela Balan, Catalina Radulescu, et al. "The Antioxidant Effects of PLGA-based Nanoparticles Loaded with Vitamin E in Rats Treated with Hypercaloric Diet." Materiale Plastice 56, no. 2 (2019): 337–40. http://dx.doi.org/10.37358/mp.19.2.5182.

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PLGA (Poli-lactic-co-glycolic acid) nanoparticles (NPs) are curently used as drug delivery systems for many types of drugs including antioxidants such as vitamin E. The main aim of our study was to test the antioxidant effects of PLGA-vitamin E on Wistar male rats. Two groups of Wistar rats received a hypercaloric diet for 21 days: the first group received besides the hypercaloric diet a daily dose of PLGA loaded with vitamin E and the control group received only the hypercaloric diet. Spleen cellular lysate has been used to detect biomarkers of oxidative stress such as malondialdehyde, glutat

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Silveira, Cintia Helena Pereira, Aline Carolina Favoretto Cordeiro, Daniel Witchmichen Krukoski, Elisa Capa Bataglin, Dilgênio Tiburski Júnior, and Giulia Pereira Periolo. "Harmonização orofacial: vantagens e diferenças entre a Hidroxiapatita de Cálcio e o ácido Poli-L-láctico." Simmetria Orofacial Harmonizaton in Science 3, no. 11 (2022): 62–72. http://dx.doi.org/10.24077/2022;3113133.

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Biostimulators are substances that stimulate collagen production when injected into the skin, they can be used to restore volume in the long term and reduce sagging. Calcium Hydroxyapatite - CaHA is present in teeth and bones, it is a biocompatible product with high degree of safety due to the low inflammatory response verified by the smooth surface and regular size of the microparticles, presenting the advantage of being normally produced in the human body. Besides this, it provides volume replacement and collagen biostimulation, it is a biodegradable material, and it is naturally reabsorbed

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18

Bessa, Vicente Alberto Lima. "O uso do ácido poli-L-láctico para rejuvenescimento facial / The use of poly-L-lactic acid for facial rejuvenation." Brazilian Journal of Health Review 5, no. 2 (2022): 4901–11. http://dx.doi.org/10.34119/bjhrv5n2-077.

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Demir, Sermet. "The effect of printing parameters on hardness in the production of Poli lactic acid (PLA)-based samples with a 3D printer." Pamukkale University Journal of Engineering Sciences 30, no. 2 (2024): 136–44. http://dx.doi.org/10.5505/pajes.2023.49404.

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Purnavita, Sari, Lucia Hermawati, and Elisa Rinihapsari. "Karakteristik Poli Asam Laktat Glikolat (Kajian Rasio Asam Laktat Limbah Aren-Asam Glikolat)." METANA 17, no. 2 (2021): 88–96. http://dx.doi.org/10.14710/metana.v17i2.36698.

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Polimer Poli Asam Laktat Glikolat (PLGA) merupakan salah satu jenis polimer yang telah disetujui FDA dan EMA untuk penggunaan biomedik. Kelebihan PLGA yaitu biokompatibilitas, biodegradabilitas, fleksibilitas, dan efek samping yang minimal. PLGA telah dikembangkan untuk penggunaan medis namun pemenuhannya masih berupa impor. Oleh karena itu, pada penelitian ini monomer asam laktat dari limbah pati aren dan asam glikolat dengan rasio LA:GA = 75%:25%; 90%:10%; 95%:5%; direaksikan secara Ring Opening Polymerization (ROP) dengan bantuan katalis Sn(II) Oktoat membentuk PLGA. PLGA hasil kemudian dit

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Atabek Savaş, Lemiye, Ayşegül Erdem, Alperen Kaplan, and Mehmet Dogan. "Kalsiyum Hipofosfit ve Magnezyum Hipofosfit Emdirilmiş Jüt Elyaf Katkılı Poli (Laktik Asit) Biyokompozitlerinin Isıl Ve Güç Tutuşurluk Özelliklerinin İncelenmesi." Tekstil ve Mühendis 28, no. 121 (2021): 16–22. http://dx.doi.org/10.7216/1300759920212812102.

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The aim of this study is to investigate the thermal and flammability properties of poly(lactic acid) (PLA) biocomposites reinforced with calcium hypophosphite (CHP) and magnesium hypophosphite (MHP) impregnated jute fiber (JE). For this purpose,biocomposites were produced by adding the jute fibers (JEs), which are treated separately with 5% and 10% CHP and MHP solutions and dried, to the PLA at a constant rate (20% wt) by melt blending method. Thermal properties of the PLA biocomposites produced were evaluated by thermogravimetic analysis (TGA), also their flammability properties were investig

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Rahayu, Puji, Sri Agustina, Meta Pramesty, Rosalina Rosalina, and Dwi Kemala Putri. "Pengaruh Waktu Pengadukan pada Proses Poliblend Poly Lactic Acid dengan Poly Ethylene Glycol-400 Terhadap Viskositas dan Densitas Bioplastik." CHEESA: Chemical Engineering Research Articles 4, no. 2 (2021): 100. http://dx.doi.org/10.25273/cheesa.v4i2.8945.100-108.

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<p class="E-JOURNALAbstractBody">Plastik sintetik diketahui sulit terurai tetapi penggunaanya semakin meningkat. Beberapa upaya telah dilakukan seperti pembakaran, daur ulang hingga penimbunan di <em>storage</em> khusus. Saat ini banyak peneliti mencari alternatif bahan dasar pembuatan plastik, salah satunya adalah <em>Po</em><em>ly Lactic Acid</em> (PLA). PLA merupakan material bioplastik yang tersusun dari monomer-monomer asam laktat dari hasil reaksi kondensasi langsung. Sifat PLA yang hidrofilik membuat bioplastik membutuhkan <em>plasticizer

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Martín del Campo, A. S., M. Arellano, C. F. Jasso-Gastinel, J. M. Silva-Jara, E. J. López-Naranjo, and A. A. Pérez-Fonseca. "GLYCIDYL METHACRYLATE AS COMPATIBILIZER OF POLY(LACTIC ACID)/NANOCLAY/AGAVE FIBER HYBRID BIOCOMPOSITES: EFFECT ON THE PHYSICAL AND MECHANICAL PROPERTIES." Revista Mexicana de Ingeniería Química 19, no. 1 (2019): 455–69. http://dx.doi.org/10.24275/rmiq/mat627.

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Dal'Forno, Taciana, Maria Paula Del Nero, Fernanda Nunes, et al. "Recomendações clínicas para o uso combinado de ácido poli-L-láctico (PLLA-SCA) e dispositivos baseados em energia: opinião de especialistas e revisão da literatura." Surgical & Cosmetic Dermatology 17 (2025): 1–10. https://doi.org/10.5935/scd1984-8773.2025170377.

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Tatiane, Carvalho Sampaio, and Gabriel Lima de Freitas Orientador:. "BIOESTIMULADORES DE COLÁGENO E SUAS APLICAÇÕES NA BIOMEDICINA ESTÉTICA." Revistaft 27, no. 126 (2023): 75. https://doi.org/10.5281/zenodo.8375575.

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Com o envelhecimento extrínseco ou intrínseco, o colágeno que está presente nas camadas mais internas da pele se torna mais rígido, pois ocorre uma perda das moléculas de água. Com isso, há diminuição da capacidade de regeneração dos tecidos, o que pode ser sanado, completa ou parcialmente, pelos preenchedores e bioestimuladores de colágeno. Estes últimos surgiram para favorecer o aumento da produção de colágeno, suavizando a flacidez e as expressões faciais causadas pe

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De Angelis, Nicola, Paolo Pesce, Wiwiek Poedjiastoeti, et al. "3D-Printable Biopolymers for Socket Preservation Technique: Soft Tissues Response: A Pilot Randomised Clinical Study." Dentistry Journal 12, no. 10 (2024): 321. http://dx.doi.org/10.3390/dj12100321.

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Background: The aim of the present parallel clinical study is to evaluate the efficacy of 3D-printed biopolymers compounded with osteoconductive material (beta-tricalcium phosphate and hydroxyapatite) for soft tissue closure after tooth extraction. Materials and Methods: this study followed the CONSORT reporting guidelines; 39 patients were treated with socket preservation using 3D-printed biopolymers and randomly divided into 3 groups (Test 1, Test 2, and Control). All cases were treated without flap elevation, careful cleaning and debridement of the sites, and then randomly sealed as follows

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Jeong, Dong-Seok, and Tae-Il Chun. "Color Fastness of PLA Fiber Dyed with Vat Dyes." Textile Coloration and Finishing 25, no. 1 (2013): 75–81. http://dx.doi.org/10.5764/tcf.2013.25.1.75.

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Park, Yejin, and Jonghwi Lee. "Preparation of Biodegradable Poly(lactic acid)-Cellulose Composite Foam." Polymer Korea 46, no. 1 (2022): 101–6. http://dx.doi.org/10.7317/pk.2022.46.1.101.

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Kim, Ja Won, та Hong Sung Kim. "Synthesis and Characteristics of Poly(L-lactic acid-block-γ-aminobutyric acid)". Textile Science and Engineering 52, № 1 (2015): 53–58. http://dx.doi.org/10.12772/tse.2015.52.053.

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Rostey, Renato Roberto Liberato, Cristiane Ferreira Rallo de Almeida, Danilo Olavarria D’Aquino, and Caio Leal Carvalho. "Tratamento da síndrome de Parry-Romberg e da esclerodermia linear em golpe de sabre, com aplicação do ácido poli-L-láctico (PLLA): avaliação da resposta clínica e ultrassonográfica de alta resolução." Surgical & Cosmetic Dermatology 17 (2025): 1–11. https://doi.org/10.5935/scd1984-8773.2025170361.

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Park, Yejin, and Jonghwi Lee. "Thermal Properties of Poly(lactic acid) Film Containing Antibacterial Quercetin." Polymer Korea 46, no. 2 (2022): 223–28. http://dx.doi.org/10.7317/pk.2022.46.2.223.

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Hasan, Akhmad Endang Zainal, I. Made Artika, and Syaeful Abidin. "Produksi Asam Laktat dan Pola Pertumbuhan Bakteri Asam Laktat dengan Pemberian Dosis Rendah Propolis Trigona spp asal Pandeglang Indonesia." Current Biochemistry 1, no. 3 (2016): 126–35. http://dx.doi.org/10.29244/cb.1.3.126-135.

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Propolis is known to have an antimicrobial activity and can prevent various diseases. Propolis consumption is feared to have negative impact on the activity of digestive lactid acid bacteria (LAB). The aim of this research was to examine the effect of propolis on the growth and lactic acid production of three LAB. Ethanol Extraction Propolis (EEP) concentrations examined were control, eep and X propolis 0% (control), 0.2%, 0.6%, 1.0% and X propolis at 0.4% concentration. The parameters analyzed were the growth of bacteria counted with Total Plate Count (TPC) method and lactic acid production u

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Kim, Youngwook, Jinkyu Park, Tao Zhang, Yunjae Jang, Eunhye Lee, and Ho-Jong Kang. "Supercritical CO₂Foaming for Poly(3-hydroxybutyrate-co-4-hydroxybutyrate)/Poly(lactic acid) Blends." Polymer Korea 48, no. 2 (2024): 179–87. http://dx.doi.org/10.7317/pk.2024.48.2.179.

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Shin, Ji Hee, Hyun Kyu Lee, Kwon Bin Song, and Kwang Hee Lee. "Characterization of Poly(lactic acid) Foams Prepared with Supercritical Carbon Dioxide." Polymer Korea 37, no. 6 (2013): 685–93. http://dx.doi.org/10.7317/pk.2013.37.6.685.

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Barczewski, Mateusz, and Olga Mysiukiewicz. "Rheological and Processing Properties of Poly(lactic acid) Composites Filled with Ground Chestnut Shell." Polymer Korea 42, no. 2 (2018): 267–74. http://dx.doi.org/10.7317/pk.2018.42.2.267.

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Park, Jae O., Woo Jin Choi, Kwang Je Kim, Jae Heung Lee, and Jae Sup Shin. "Rheological Properties of Poly(lactic acid) Modified by Contents of Epoxy Group in Chain Extender." Polymer Korea 42, no. 3 (2018): 394–99. http://dx.doi.org/10.7317/pk.2018.42.3.394.

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Lee, Ji-Sook, Kyoung-Ja Woo, and He-Sson Chung. "Preparation and Cellular Uptake of Hydrophobic Quantum Dots Encapsulated in Poly-L-Lactic Acid Film." Journal of Korean Pharmaceutical Sciences 39, no. 1 (2009): 1–6. http://dx.doi.org/10.4333/kps.2009.39.1.001.

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Liu, Xu-Yan, Si-In Jung, Ho-Suk Choi, Jun-Taek Oh, and Jong-Kuk Kim. "Thermal and Mechanical Properties of Poly(lactic acid) Specimens Fabricated by Various Equal-channel Angular Extrusion Processes." Korean Chemical Engineering Research 49, no. 2 (2011): 206–10. http://dx.doi.org/10.9713/kcer.2011.49.2.206.

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39

Lee, Won-Ji, Kyoung-Jin Choi, and Sang-Ho Cha. "Preparation and Characterization of Novel Phosphorus-based Flame Retardant for Poly(lactic acid)." Polymer Korea 49, no. 2 (2025): 267–75. https://doi.org/10.7317/pk.2025.49.2.267.

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40

Cao, Minjian, Zhean Xia, Xiangxin Ran та Jinglong Zou. "Synthesis and Characterization of Poly(lactic acid-co-glycolic acid-co-ε-caprolactone) and Its Pressure Sensitive Adhesive Property". Polymer Korea 45, № 4 (2021): 592–600. http://dx.doi.org/10.7317/pk.2021.45.4.592.

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41

Lee, Jae Bin, Do Young Kim, KiBeom Nam, Kwan Ho Seo, and Dong Yun Lee. "Compatibility and Impact Properties of Poly(lactic acid)/Poly(butylene adipate-co-terephthalate) Blend Using Poly(butyl acrylate)." Polymer Korea 44, no. 5 (2020): 689–94. http://dx.doi.org/10.7317/pk.2020.44.5.689.

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42

Yun, JW, SY Heo, MH Lee, and HB Lee. "Evaluation of a poly(lactic-acid) scaffold filled with poly(lactide-co-glycolide)/hydroxyapatite nanofibres for reconstruction of a segmental bone defect in a canine model." Veterinární Medicína 64, No. 12 (2019): 531–38. http://dx.doi.org/10.17221/80/2019-vetmed.

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Critical-sized bone defects are a difficult problem in both human and veterinary medicine. To address this issue, synthetic graft materials have been garnering attention. Abundant in vitro studies have proven the possibilities of poly(lactic-acid) (PLA) scaffolds and poly(lactide-co-glycolide)/hydroxyapatite (PLGA/HAp) nanofibres for treating bone defects. The present study aimed at conducting an in vivo assessment of the biological performance of a three dimensional (3D)-printed PLA scaffold filled with a PLGA/HAp nanofibrous scaffold to estimate its potential applications in bone defect reco

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Choi, In-Gyu, Se-Jun Yang, Tae-Min Lee, Jae-Uk Yoon, Jin-Woo Bae, and Byeong-Uk Nam. "Study on the Mechanical Properties and Crystallization Behavior of Compatibilized Poly(lactic acid)/Poly(3HB-co-4HB) Blends." Polymer Korea 48, no. 5 (2024): 475–84. https://doi.org/10.7317/pk.2024.48.5.475.

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44

Coraça-Huber, Débora C., Eliana A. R. Duek, Maurício Etchebehere, Luis Alberto Magna, and Eliane M. I. Amstalden. "The use of vancomycin-loaded poly-l-lactic acid and poly-ethylene oxide microspheres for bone repair: an in vivo study." Clinics 67, no. 7 (2002): 793–8. https://doi.org/10.6061/clinics/2012(07)15.

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<strong>OBJECTIVE:</strong> The aim of this study was to investigate bone repair after the implantation of vancomycin-loaded poly-L-lactic acid/poly-ethylene oxide microspheres compared with vancomycin-unloaded poly-L-lactic acid/poly-ethylene oxide microspheres. <strong>METHODS:</strong> Poly-L-lactic acid/poly-ethylene oxide microspheres were implanted in rat tibiae and evaluated for periods of 2, 4, 8, and 12 days and 4, 8, 16, and 32 weeks. The groups implanted with vancomycin-loaded and vancomycin-unloaded microspheres were compared. Histopathologic (semi-quantitative) and histomorphometr

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45

Liu, LinShu, Tony Jin, Victoria Finkenstadt, et al. "Antimicrobial Packaging Materials from Poly(Lactic Acid) Incorporated with Pectin-Nisaplin® Microparticles." Chemistry & Chemical Technology 3, no. 3 (2009): 221–30. http://dx.doi.org/10.23939/chcht03.03.221.

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The thermostability of nisin and Nisaplin® was investigated in the presence and absence of pectin. By mixing with pectin, both nisin and Nisaplin® were able to inhibit microbial growth, even after heating to 433 K. In contrast, without pectin, the nisin was totally inactivated after heat treatment. Nisin and pectin in solution were complexed, as shown by atomic force microscopic analysis. Probably, the complex formation between the polysaccharide and the polypeptide improves the nisin thermostability; however, a detailed mechanism remains to be resolved. Thin membranes were prepared by co-extr

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Novais, Rui M., Frank Simon, Petra Pötschke, Tobias Villmow, José A. Covas, and Maria C. Paiva. "Poly(lactic acid) composites with poly(lactic acid)-modified carbon nanotubes." Journal of Polymer Science Part A: Polymer Chemistry 51, no. 17 (2013): 3740–50. http://dx.doi.org/10.1002/pola.26778.

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47

Zheng, Lang, and Weijun Zhen. "Surface Functionalization of Graphene Oxide via Activators Regenerated by Electron Transfer for Atom Transfer Radical Polymerization and Its Effect on the Performance of Poly(lactic acid)." Polymer Korea 42, no. 4 (2018): 581–93. http://dx.doi.org/10.7317/pk.2018.42.4.581.

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48

Yang, Bin, Peng Zhang, Shu-Chun Zhao, et al. "Evaluation of Non-isothermal Melt Crystallization Kinetics of the Poly(lactic acid)/Graphene Composites under Variant Cooling Circumstances via Solidification Analysis Approach." Polymer Korea 43, no. 5 (2019): 665–73. http://dx.doi.org/10.7317/pk.2019.43.5.665.

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49

Li Sha Zhao and Yan Hua Cai, Li Sha Zhao and Yan Hua Cai. "A 1H-Benzotriazole Derivative Nucleated Poly(L-lactic acid): Thermal Behavior and Physical Properties." Journal of the chemical society of pakistan 42, no. 3 (2020): 383. http://dx.doi.org/10.52568/000648.

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In this study, a 1H-benzotriazole derivative, N, Nand#39;-bis(1H-benzotriazole) succinic acid acethydrazide (SABHA), was synthesized to nucleate Poly(L-lactic acid) (PLLA). A series of comparative studies on the melt-crystallization, the cold-crystallization, the melting behavior, the thermal stability, as well as the fluidity between the pure PLLA and PLLA/SABHA were performed. The melt-crystallization behavior revealed that the SABHA as a heterogeneous nucleating agent could significantly facilitate the crystallization of PLLA, and a larger amount of SABHA concentration exhibited the better

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50

Li Sha Zhao and Yan Hua Cai, Li Sha Zhao and Yan Hua Cai. "A 1H-Benzotriazole Derivative Nucleated Poly(L-lactic acid): Thermal Behavior and Physical Properties." Journal of the chemical society of pakistan 42, no. 3 (2020): 383. http://dx.doi.org/10.52568/000648/jcsp/42.03.2020.

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Abstract:

In this study, a 1H-benzotriazole derivative, N, Nand#39;-bis(1H-benzotriazole) succinic acid acethydrazide (SABHA), was synthesized to nucleate Poly(L-lactic acid) (PLLA). A series of comparative studies on the melt-crystallization, the cold-crystallization, the melting behavior, the thermal stability, as well as the fluidity between the pure PLLA and PLLA/SABHA were performed. The melt-crystallization behavior revealed that the SABHA as a heterogeneous nucleating agent could significantly facilitate the crystallization of PLLA, and a larger amount of SABHA concentration exhibited the better

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