Dyah Hikmawati

Poly(vinyl alcohol)–hyaluronic acid injectable hydrogel as a nucleus pulposus substitute candidate

Prihartini Widiyanti, Anindya Ramadhani Agam, Dyah Hikmawati, Arif Priyangga

Based on the Global Burden of Disease (GBD) study, low back pain is the top 10 highest prevalence diseases in the world. As many as 30%-80% of cases are induced by herniated nucleus pulposus (HNP). HNP is a protrusion of the nucleus …

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The Role of Calcination Temperature Variation in The Sol–Gel Synthesis of Hydroxyapatite

Siswanto Siswanto, Dyah Hikmawati, Winda Dwi Falentina

This study aims to synthesize hydroxyapatite using the sol–gel method with variations in calcination temperature. The hydroxyapatite precursor was derived from eggshell. The egg shell powder was milled using High Energy Milling (HEM) for 20 hours, producing particles measuring 54.84 nm based …

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Pedicle Screw Pitch Design: 3D-Printed Injectable Bone Substitute for Spinal Osteoporosis

Dyah Hikmawati, Siswanto Siswanto, Aminatun Aminatun, Sakinato Mazidda et autres

This study aims to determine the effect of pitch variations on pedicle screws for spinal osteoporosis applications. Five variations of pedicle screw pitch (1.75; 2.00; 2.25; 2.50; 2.75 mm) were printed with filaments made of Polylactide Acid (PLA) using a 3D-printing with …

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Effect of addition of collagen and elastin to polycaprolactone-based artificial anterior cruciate ligament scaffold

Nabila Meinisya Sahira, Andreas Charles Raharjo, Dyah Hikmawati, Sofijan Hadi et autres

The effect of pore size design of polylactic acid scaffold with hexagonal geometry using the 3D printing method

Nabila Safitri, Dyah Hikmawati, Aniek Setiya Budiatin

Graphene coated optical microfiber for aflatoxin B1 detection

Imasda Rahmatulloh, Retna Apsari, Syahidatun Na’imah, Tahta Amrillah et autres

We proposed a graphene coated microfiber-based sensor for enhancing Aflatoxin B1 detection at room temperature. The heat-and-pull technique was used to fabricate the microfiber while the graphene layer was coated using a drop-casting technique. Aflatoxin samples are used as a sensor sensing …

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Electrical Impedance Spectroscopy as a Potential Tool for Detecting Bone Porosity

Khusnul Ain, Alfian Pramudita Putra, Osmalina Nur Rahma, Dyah Hikmawati et autres

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Braids structure design of scaffold ligament based on polylactic acid-polycaprolactone

Muhammad Zinedine Kaffie, Dyah Hikmawati, Aini Salsabiela, Sofijan Hadi et autres

The Anterior Cruciate Ligament (ACL) is the most commonly injured knee ligament with more than 250.000ACLs injured patients yearly.Based on the problems encountered in the manufacture of ligament tissue engineering, the researchers focused on strategies to improve their mechanical properties.Nanofibers can be …

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Graphene Coated Optical Microfiber for Aflatoxin B1 Detection

Imasda Rahmatulloh, Syahidatun Na’imah, Tahta Amrillah, Samian Samian et autres

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3D Printing of PolyLactic Acid (PLA) Scaffold Combined with Injectable Bone Substitute (IBS) for Tuberculosis Drug Delivery

Dyah Hikmawati, Aniek Setiya Budiatin, Aminatun, Eka Yuliatin et autres

Spinal tuberculosis is one of the infectious diseases which according to the World Health Organization (WHO), is a major cause of health problems and one of the top 10 causes of death worldwide. The aim of this study was to fabricate a …

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Tensile Strength of 3D Printing Scaffold Design Truncated Hexahedron for Tuberculosis Drug Delivery

Eka Yuliatin, Dyah Hikmawati, Aminatun Aminatun, Aniek Setiya Budiatin et autres

Mechanical properties are important characteristics of scaffolds as biomaterials implant in tissue engineering. This study focused on the analysis of the tensile strength of the 3D printing scaffold with a geometric design of the truncated hexahedron unit with pore size variation and …

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Preparation and characterization of amorphous silica nano (SiO2) based on Lumajang sand using precipitation method for biomaterial composite applications

Siswanto Siswanto, Dyah Hikmawati, Djony Izak Rudyardjo, Jan Ady et autres

Research has been carried out on the synthesis of amorphous silica (SiO2) made from Lumajang sand using the precipitation method. The use of this method is based on its simplicity and can produce large quantities. To increase the synthesis efficiency, nano sand …

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