Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Rinda Hedwig"'
Autor:
Ali Khumaeni, Wahyu Setia Budi, Rinda Hedwig, Kazuyoshi Kurihara, Masahiko Tani, Koo Hendrik Kurniawan
Publikováno v:
Talanta Open, Vol 9, Iss , Pp 100322- (2024)
Accurate and reliable identification and analysis of the elemental composition of human blood serum is of utmost importance. The present investigation included the analysis of human blood serums for elemental composition using a metal mesh-supported
Externí odkaz:
https://doaj.org/article/4557ebae8dd54d54bd72a45810fe80fb
Autor:
Rinda Hedwig, Indra Karnadi, Marincan Pardede, Ivan Tanra, Alion Mangasi Marpaung, Maria Margaretha Suliyanti, Ethelyn Meici Huang, Tjung Jie Lie, Koo Hendrik Kurniawan, Kiichiro Kagawa
Publikováno v:
Talanta Open, Vol 8, Iss , Pp 100251- (2023)
Ti-Al alloy is one of the most critical alloys that the world requires today. As a result, a rapid quantitative detection method to determine the Al concentration in this alloy, which typically ranges between 5 and 50%, is required. However, due to t
Externí odkaz:
https://doaj.org/article/de030f9b5e3f427e82b236f6b15cdef3
Autor:
Marincan Pardede, Indra Karnadi, Rinda Hedwig, Ivan Tanra, Javed Iqbal, Mangasi Alion Marpaung, Maria Margaretha Suliyanti, Eric Jobiliong, Syahrun Nur Abdulmadjid, Nasrullah Idris, Ali Khumaeni, Muhandis Shiddiq, Mario Gracio Anduinta Rhizma, Zener Sukra Lie, Muhammad Bilal, Davy Putra Kurniawan, Tjung Jie Lie, Koo Hendrik Kurniawan, Kiichiro Kagawa
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Abstract High-sensitivity detection of hydrogen (H) contained in zircaloy-4, a commonly used material for nuclear fuel containers, is crucial in a nuclear power plant. Currently, H detection is performed via gas chromatography, which is an offline an
Externí odkaz:
https://doaj.org/article/4439f8c74afa40989646c96e47dae667
Autor:
Alion Mangasi Marpaung, Edward Harefa, Marincan Pardede, Indra Karnadi, Rinda Hedwig, Ivan Tanra, Maria Margaretha Suliyanti, Zener Sukra Lie, Muhandis Shiddiq, Muliadi Ramli, Kurnia Lahna, Eric Jobiliong, Syahrun Nur Abdulmadjid, Nasrullah Idris, Ali Khumaeni, Wahyu Setiabudi, Hery Suyanto, Tjung Jie Lie, Koo Hendrik Kurniawan, Kiichiro Kagawa
Publikováno v:
Heliyon, Vol 8, Iss 8, Pp e10057- (2022)
This study introduces a novel and simple way to suppress the self-absorption effect in laser-induced breakdown spectroscopy (LIBS) by utilizing a defocusing laser irradiation technique. For this purpose, a Nd:YAG laser with a wavelength of 1,064 nm a
Externí odkaz:
https://doaj.org/article/5b69e92a61bb4873b82a055e6a541943
Autor:
Alion Mangasi Marpaung, Syahrun Nur Abdulmadjid, Muliadi Ramli, Nasrullah Idris, Ali Khumaeni, Wahyu Setia Budi, Hery Suyanto, Maria Margaretha Suliyanti, Indra Karnadi, Ivan Tanra, Marincan Pardede, Eric Jobiliong, Rinda Hedwig, Zener Sukra Lie, Koo Hendrik Kurniawan, Kiichiro Kagawa
Publikováno v:
ACS Omega, Vol 5, Iss 27, Pp 16811-16818 (2020)
Externí odkaz:
https://doaj.org/article/95f851a2f16f490499e3849f366f9dda
Autor:
Savita Sondhi, Ashok Salhan, Claire A. Santoso, Mariam Doucoure, Deandra M. Dharmawan, Aastha Sureka, Btari N. Natasha, Artaya D. Danusaputro, Nilakandiah S. Dowson, Michelle S. Li. Yap, Moira A. Hadiwidjaja, Sundhari G. Veeraraghavan, Athalia Z.R. Hatta, Chaerin Lee, Ruben A. Megantara, Alexandra N. Wihardja, Mansi Sharma, Erdolfo L. Lardizabal, Laevin Jay Sondhi, Roma Raina, Sharda Vashisth, Rinda Hedwig
Publikováno v:
Heliyon, Vol 7, Iss 10, Pp e08134- (2021)
COVID-19 pandemic has posed serious risk of contagion to humans. There is a need to find reliable non-contact tests like vocal correlates of COVID-19 infection. Thirty-six Asian ethnic volunteers 16 (8M & 8F) infected subjects and 20 (10M &10F) non-i
Externí odkaz:
https://doaj.org/article/1b2c1d52074e4fb6b97bdd7812366f41
Autor:
Abdul Jabbar, Mahmood Akhtar, Shaukat Mehmood, Koo Hendrick Kurniawan, Rinda Hedwig, Muhammad Aslam Baig
Publikováno v:
Indonesian Journal of Chemistry, Vol 19, Iss 2, Pp 430-440 (2019)
Laser ablation chemical and spectroscopic studies of Calotropis procera, Chenopodium ambrosioides, and Nerium indicum leaves was performed using 1064 nm Nd: YAG laser in air at different pressure and time delay. These medicinal plant’s leaves are u
Externí odkaz:
https://doaj.org/article/c2c6745d76a2477fa38d1f114e8b486b
Autor:
Hery Suyanto, Marincan Pardede, Rinda Hedwig, Alion Mangasi Marpaung, Muliadi Ramli, Tjung Jie Lie, Syahrun Nur Abdulmadjid, Koo Hendrik Kurniawan, May On Tjia, Kiichiro Kagawa
Publikováno v:
AIP Advances, Vol 6, Iss 8, Pp 085105-085105-7 (2016)
A time-resolved spectroscopic study is performed on the enhancement signals of He gas plasma emission using nanosecond (ns) and picosecond (ps) lasers in an orthogonal configuration. The ns laser is used for the He gas plasma generation and the ps la
Externí odkaz:
https://doaj.org/article/f996020b675d40d386019579b5162adf
Autor:
Mohamad Infrawan Yulianto Ichwan, Hery Suyanto, Maria Margaretha Suliyanti, Rinda Hedwig, Marincan Pardede, Kiichiro Kagawa, Tjung Jie Lie, Koo Hendrik Kurniawan
Publikováno v:
ITB Journal of Engineering Science, Vol 37, Iss 1, Pp 49-65 (2005)
A new approach of quantitative analysis of liquid sample using laser ablation technique was developed. The liquid was immediately freezed using the mixture of dry ice and alcohol in weight ratio of 95% : 5%. As a result, an increase of the repulsion
Externí odkaz:
https://doaj.org/article/2c70adf5dc224d96afe661b842480fb8
Autor:
Indra Karnadi, Syahrun Nur Abdulmadjid, Marincan Pardede, Javed Iqbal, Zener Sukra Lie, Eric Jobiliong, Maria Margaretha Suliyanti, Muhammad Bilal, Mangasi Alion Marpaung, Muhandis Shiddiq, Ali Khumaeni, Mario Gracio Anduinta Rhizma, Davy Putra Kurniawan, Ivan Tanra, Koo Hendrik Kurniawan, Kiichiro Kagawa, Nasrullah Idris, Rinda Hedwig, Tjung Jie Lie
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Scientific Reports
Scientific Reports
High-sensitivity detection of hydrogen (H) contained in zircaloy-4, a commonly used material for nuclear fuel containers, is crucial in a nuclear power plant. Currently, H detection is performed via gas chromatography, which is an offline and destruc