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Artykuły w czasopismach na temat „Deoxyribonucleic acid (DNA)”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 19 lutego 2023

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1

Grote, James G., Darnell E. Diggs, Robert L. Nelson, John S. Zetts, F. Kenneth Hopkins, Naoya Ogata, Joshua A. Hagen i in. "DNA Photonics [Deoxyribonucleic Acid]". Molecular Crystals and Liquid Crystals 426, nr 1 (marzec 2005): 3–17. http://dx.doi.org/10.1080/15421400590890615.

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Sagar, Adithya, i Karl Oberholser. "Proteopedia Entry: Deoxyribonucleic Acid (DNA)*". Biochemistry and Molecular Biology Education 40, nr 1 (7.12.2011): 74. http://dx.doi.org/10.1002/bmb.20566.

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Khalaf, Narges, Amal Mohammed i Ali Rahim. "The Correlation Between Sperm DNA Integrity and Conventional Semen Parameters". Iraqi Journal of Embryos and Infertility Researches 11, nr 1 (17.08.2022): 1–11. http://dx.doi.org/10.28969/ijeir.v11.i1.r1.

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The integrity of sperm deoxyribonucleic acid (DNA) and chromatin is very important for genetic material transmission into offspring. Therefore, the aim of the present study was to investigate the correlation between sperm deoxyribonucleic acid integrity and sperm parameters. The current study was conducted on 96 semen samples. This study was done at the High Institute for Infertility Diagnosis and Assisted Reproductive Technologies, Al-Nahrain University for the period between November 2020 and May 2021. The samples were collected, and seminal fluid analysis was performed according to World Health Organization guidelines. Sperm Chromatin Dispersion test was performed. The results showed that the deoxyribonucleic acid fragmentation of sperms in infertile men in this study was higher than reported in fertile men in previous studies indicating that deoxyribonucleic acid fragmentation (DNA) is actively contributing at least partially to male infertility. In terms of enrolled men, sperm deoxyribonucleic acid fragmentation (SDF) showed significant positive correlation with round cell count.

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4

Nur’aini, Siti, Arnia Sari Mukaromah i Siti Muhlisoh. "Pengenalan Deoxyribonucleic Acid (DNA) Dengan Marker-Based Augmented Reality". Walisongo Journal of Information Technology 1, nr 2 (20.12.2019): 91. http://dx.doi.org/10.21580/wjit.2019.1.2.4531.

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<p>Proses belajar yang baik harus memuat aspek interaktif, memotivasi, menyenangkan dan memberikan ruang bagi siswa untuk dapat mengembangkan kreativitas dan kemandirian. Siswa kadangkala merasa kesulitan pada saat mengillustrasikan isi pembelajaran yang berupa pengetahuan konsep dan prosedur. Dalam pelajaran biologi, materi terkait konsep dasar struktur <em>Deoxyribonucleic Acid</em> (DNA) merupakan materi yang bersifat teoritik dan abstrak. Pemahaman konsep seperti ini memerlukan penggambaran dan modelling yang lebih realistik agar mudah dipahami. Visualisasi dari sumber belajar dan media belajar yang ada sudah dapat membantu mempermudah pemahaman konsep, tetapi variasi media yang lebih nyata, menarik, dan kekinian diharapkan dapat lebih meningkatkan minat siswa. Pengembangan aplikasi <em>Augmented Reality </em>dapat menjadi salah satu alternatif media pembelajaran DNA. Aplikasi ini dikembangkan dengan metode ADDIE menggunakan Unity3D dan Vuforia. Hasil pengujian fungsional menunjukkan semua fitur dapat berjalan dengan baik sesuai dengan kebutuhan di berbagai versi sistem operasi android. Sedangkan pengujian usability menunjukkan kepuasan mahasiswa sebanyak 86% yang artinya aplikasi ini dapat membantu mahasiswa dalam memahami materi DNA.</p>

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Jolly, Pawan, Pedro Estrela i Michael Ladomery. "Oligonucleotide-based systems: DNA, microRNAs, DNA/RNA aptamers". Essays in Biochemistry 60, nr 1 (30.06.2016): 27–35. http://dx.doi.org/10.1042/ebc20150004.

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There are an increasing number of applications that have been developed for oligonucleotide-based biosensing systems in genetics and biomedicine. Oligonucleotide-based biosensors are those where the probe to capture the analyte is a strand of deoxyribonucleic acid (DNA), ribonucleic acid (RNA) or a synthetic analogue of naturally occurring nucleic acids. This review will shed light on various types of nucleic acids such as DNA and RNA (particularly microRNAs), their role and their application in biosensing. It will also cover DNA/RNA aptamers, which can be used as bioreceptors for a wide range of targets such as proteins, small molecules, bacteria and even cells. It will also highlight how the invention of synthetic oligonucleotides such as peptide nucleic acid (PNA) or locked nucleic acid (LNA) has pushed the limits of molecular biology and biosensor development to new perspectives. These technologies are very promising albeit still in need of development in order to bridge the gap between the laboratory-based status and the reality of biomedical applications.

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6

Yu, Sinuo, Tianshu Chen, Qianqian Zhang, Mengru Zhou i Xiaoli Zhu. "Application of DNA nanodevices for biosensing". Analyst 145, nr 10 (2020): 3481–89. http://dx.doi.org/10.1039/d0an00159g.

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Zhao, Yue, Ruojie Sha, Yudong Hao, Carina Hernandez, Xinshuai Zhao, David Rusling, Jens J. Birktoft i in. "Self-assembled three-dimensional deoxyribonucleic acid (DNA) crystals". Acta Crystallographica Section A Foundations and Advances 74, a1 (20.07.2018): a253. http://dx.doi.org/10.1107/s0108767318097465.

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8

Zhang, Chun-Ting. "Soliton excitations in deoxyribonucleic acid (DNA) double helices". Physical Review A 35, nr 2 (1.01.1987): 886–91. http://dx.doi.org/10.1103/physreva.35.886.

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9

Zhao, Xuezhuang, Jianxia Cui, Zucheng Li, Xiufang Xu, Zhenfeng Shang, Yun Li, Guichang Wang i Ruifang Li. "Symmetries of deoxyribonucleic acid (DNA) and related molecules". Journal of Mathematical Chemistry 55, nr 1 (23.07.2016): 1–33. http://dx.doi.org/10.1007/s10910-016-0663-2.

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10

Hai, Wenhua. "Kink couples in deoxyribonucleic acid (DNA) double helices". Physics Letters A 186, nr 4 (marzec 1994): 309–16. http://dx.doi.org/10.1016/0375-9601(94)91176-2.

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Linko, Veikko. "At the Dawn of Applied DNA Nanotechnology". Molecules 25, nr 3 (3.02.2020): 639. http://dx.doi.org/10.3390/molecules25030639.

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Overton, Timothy, Antony Lighten i Phillip Bennett. "Polymerase chain reaction and its use in obstetrics". Fetal and Maternal Medicine Review 7, nr 3 (sierpień 1995): 159–73. http://dx.doi.org/10.1017/s0965539500001297.

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Deoxyribonucleic acid (DNA) is composed of a deoxyribose backbone, the three position (3') of each deoxyribose being linked to the five position (5') of the next by a phosphodiester bond. At the two position each deoxyribose is linked to one of four nucleic acids; the purines adenine or guanine or the pyrimadines thymine or cytosine. Each DNA molecule is made up of two such strands in a double helix with the nucleic acid bases on the inside. The bases pair by hydrogen bonding, adenine (A) with thymine (T) and cytosine (C) with guanine (G). Deoxyribonucleic acid is replicated by separation of the two strands and synthesis by DNA polymerases of new complementary strands. With one notable exception, the reverse transcriptase produced by viruses, DNA polymerases always add new bases at the 3' end of the molecule. Ribonucleic acid (RNA) has a structure similar to that of DNA but is always single stranded. The backbone consists of ribose, and uracil is used in place of thymine.

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13

Siswanto, Teddy, Nesti Fronika Sianipar, Harco Leslie Hendric Spits Warnars i Harjanto Prabowo. "Algorithm Model Determination of DNA Primer Design For The Success PCR Process". International Journal of Emerging Technology and Advanced Engineering 12, nr 7 (4.07.2022): 101–7. http://dx.doi.org/10.46338/ijetae0722_11.

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Deoxyribonucleic Acid Primer Design is an important factor in the success of the Polymerase Chain Reaction process because it will determine the value of Guanine and Cytosine content and Melting temperature for the genome amplification process in the adequacy of research data. To get a good primer design, a simulation process is needed to get the desired results, namely Guanine and Cytosine content between 50%-60%, Melting temperature 50o -65oC, a minimum length of 70 base pair sequences and the temperature difference between the forward primer and reverse primer less than 5oC. Usually researchers use the Primer3plus or NCBI Primer-BLAST software to get the Deoxyribonucleic Acid Primer Design results. Because there are limitations in the use of the software, the researchers, researchers want to use software that are suitable for current and future research needs. For this reason, a new algorithm model is needed to make software to support the needs of researchers. The method used in the algorithm model is to use Start Codon ATG and Stop Codon TAA, TAG and TGA with sequence lengths of 18, 21 and 24 base pairs. The raw data used is the Deoxyribonucleic Acid of the Typhonium Flagelliforme plant which has potential anti-cancer compounds. The new algorithm model resulted in 22 (twenty two) Deoxyribonucleic Acid Primer Design options, all of which met the data constraints and research requirements.

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14

Ruslim, Nooradelena Mohd, Marta Elizabeth, Yuhani Yusof, Mohd Sham Mohamad i Noraziah Adzhar. "Deoxyribonucleic Acid (DNA) Splicing System from Graph Theoretic Perspective". Journal of Physics: Conference Series 1988, nr 1 (1.07.2021): 012081. http://dx.doi.org/10.1088/1742-6596/1988/1/012081.

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Batt, Fiona. "Ancient indigenous deoxyribonucleic acid (DNA) and intellectual property rights". International Journal of Human Rights 16, nr 1 (styczeń 2012): 152–72. http://dx.doi.org/10.1080/13642987.2011.622718.

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Blackett, Robert S., i Paul Keim. "Big Game Species Identification by Deoxyribonucleic Acid (DNA) Probes". Journal of Forensic Sciences 37, nr 2 (1.03.1992): 13266J. http://dx.doi.org/10.1520/jfs13266j.

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Deshmukh, R. S., O. Svarcova, J. Li, H. Callesen, G. Vajta i P. Maddox-Hyttel. "85 DEOXYRIBONUCLEIC ACID METHYLATION IN PORCINE PARTHENOGENETIC PREIMPLANTATION EMBRYOS". Reproduction, Fertility and Development 21, nr 1 (2009): 143. http://dx.doi.org/10.1071/rdv21n1ab85.

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DNA methylation is one of the most important epigenetic mechanisms involved in gene silencing. Waves of DNA de- and re-methylation occur during mammalian preimplantation development. Whether the same happens in porcine parthenogenetic embryos has never been determined, and we set out to investigate this question. Porcine oocytes were aspirated from antral follicles, matured in vitro for 42 h, parthenogenetically activated and fixed in 4% paraformaldehyde at the 1-, 2-, 4-, and 8-cell stage as well as at the early and late blastocyst stage. The degree of DNA methylation was assessed by immunocytochemical staining (Anti-5MetC mouse monoclonal; Abcam, Copenhagen, Denmark) and DNA was counterstained with Hoechst 33258. Porcine fetal fibroblasts were used as standard. The fluorescent signals were detected using an epifluorescence microscope (Leica) and a Leica camera set at fixed exposure times. Signals were quantified using NIH ImageJ sofware. Total means of intensities (methylation and DNA) were calculated and exponential curves were obtained using Microsoft Excel-based statistics. DNA methylation and DNA content were highly correlated in porcine fetal fibroblasts demonstrating the effect of an immediate maintenance methylation taking place during the DNA S-phase of the cell cycle. A similar correlation was observed in the parthenogenetic embryos at all the developmental stages. The level of DNA methylation increased slightly from the early to the late 1-cell stage, and a pronounced increase in DNA methylation level was noted at the 2-cell stage. At the late 1-cell stage, the DNA methylation level of the two pronuclei was similar probably due to the maternal origin of both pronuclei. At the 4-cell stage, DNA methylation had decreased again but was higher compared with other developmental stages, except the 2-cell stage, and at the 8-cell stage, the level of DNA methylation reached a minimum. Subsequently, the level of DNA methylation increased slightly at the blastocyst stages. In conclusion, DNA methylation and DNA content were correlated in porcine fetal fibroblasts and parthenogenetic embryos. Furthermore, the levels of DNA methylation in parthenogenetic embryos exhibited an increase to the 2-cell stage followed by a decrease to the 8-cell stage and a final increase to the blastocyst stage. The initial increase in methylation to the 2-cell stage is different from what has been reported previously for in vivo derived porcine embryos. We are thankful to H. Holm and J. Nielsen for excellent technical assistance. This project was supported by Marie Currie Action project MRTN-CT-2006-35468 (CLONET).

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Yahfoufi, Zoubeida AL, Wahib Hadchiti i Antoine Berberi. "Deoxyribonucleic Acid Probes Analyses for the Detection of Periodontal Pathogens". Journal of Contemporary Dental Practice 16, nr 9 (2015): 727–32. http://dx.doi.org/10.5005/jp-journals-10024-1748.

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ABSTRACT Background In clinical microbiology several techniques have been used to identify bacteria. Recently, Deoxyribonucleic acid (DNA)-based techniques have been introduced to detect human microbial pathogens in periodontal diseases. Deoxyribonucleic acid probes can detect bacteria at a very low level if we compared with the culture methods. These probes have shown rapid and cost-effective microbial diagnosis, good sensitivity and specificity for some periodontal pathogens in cases of severe periodontitis. Materials and methods Eighty-five patients were recruited for the study. Twenty-one subjects ranging between 22 and 48 years of age fulfilled the inclusion and exclusion criteria. Seventy-eight samples became available for DNA probe analysis from the deepest pockets in each quadrant. Results All 21 patients showed positive results for Prevotella intermedia; also, Prevotella gingivalis was identified in 19 subjects, Aggregatibacter actinomycetemcomitans in 6 subjects. P. intermedia was diagnosed positive in 82% of the subgingival samples taken, 79% for P. gingivalis, and 23% for A. actinomycetemcomitans. Conclusion This study shows a high frequency of putative periodontal pathogens by using DNA probe technology, which is semi-quantitative in this study. Deoxyribonucleic acid probes can detect bacteria at very low level about 103 which is below the detection level of culture methods. The detection threshold of cultural methods. Clinical significance The three types of bacteria can be detected rapidly with high sensitivity by using the DNA probe by general practitioners, and thus can help in the diagnosis process and the treatment. How to cite this article Yahfoufi ZAL, Hadchiti W, Berberi A. Deoxyribonucleic Acid Probes Analyses for the Detection of Periodontal Pathogens. J Contemp Dent Pract 2015;16(9): 727-732.

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Kadum, Sahar Adill, Ali Yakoob Al-Sultan i Najlaa Adnan Hadie. "Data protection based neural cryptography and deoxyribonucleic acid". International Journal of Electrical and Computer Engineering (IJECE) 12, nr 3 (1.06.2022): 2756. http://dx.doi.org/10.11591/ijece.v12i3.pp2756-2764.

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The need to a robust and effective methods for secure data transferring makes the more credible. Two disciplines for data encryption presented in this paper: machine learning and deoxyribonucleic acid (DNA) to achieve the above goal and following common goals: prevent unauthorized access and eavesdropper. They used as powerful tool in cryptography. This paper grounded first on a two modified Hebbian neural network (MHNN) as a machine learning tool for message encryption in an unsupervised method. These two modified Hebbian neural nets classified as a: learning neural net (LNN) for generating optimal key ciphering and ciphering neural net CNN) for coding the plaintext using the LNN keys. The second granulation using DNA nucleated to increase data confusion and compression. Exploiting the DNA computing operations to upgrade data transmission security over the open nets. The results approved that the method is effective in protect the transferring data in a secure manner in less time

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El-Sharkasy, M. M. "Topological model for recombination of DNA and RNA". International Journal of Biomathematics 11, nr 08 (listopad 2018): 1850097. http://dx.doi.org/10.1142/s1793524518500973.

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The aim of this paper is to use topological concepts in the construction of flexible mathematical models in the field of biological mathematics. Also, we will build new topographic types to study recombination of deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). Finally, we study the topographical properties of constructed operators and the associated topological spaces of DNA and RNA.

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Yang, Hongqin, Qingle Zeng, Ze He, Di Wu i Hui Li. "Determination of the DNA binding properties of a novel PARP inhibitor MK-4827 with calf-thymus DNA by molecular simulations and detailed spectroscopic investigations". New Journal of Chemistry 43, nr 17 (2019): 6702–11. http://dx.doi.org/10.1039/c9nj00667b.

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The binding interaction of niraparib (MK-4827), a poly(ADP-ribose) polymerase inhibitor, with calf thymus deoxyribonucleic acid (ctDNA) has been explored by various theoretical and experimental techniques.

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Tong, Liang-Jia, Nan-Run Zhou, Zhi-Jing Huang, Xin-Wen Xie i Ya-Ru Liang. "Nonlinear Multi-Image Encryption Scheme with the Reality-Preserving Discrete Fractional Angular Transform and DNA Sequences". Security and Communication Networks 2021 (14.06.2021): 1–18. http://dx.doi.org/10.1155/2021/6650515.

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A nonlinear multi-image encryption scheme is proposed by combining the reality-preserving discrete fractional angular transform with the deoxyribonucleic acid sequence operations. Four approximation coefficients of the four images are extracted by performing the two-dimensional lifting wavelet transform. Then, the four approximation coefficients are synthesized to generate a real-valued output with the reality-preserving discrete fractional angular transform. Finally, based on the deoxyribonucleic acid operation and the Logistic-sine system, the real-valued intermedium output will be encrypted to yield the final ciphertext image. To enhance the security of the image encryption algorithm, the initial value of the chaotic system is calculated by the 256-bit binary sequence, which is obtained by taking the statistics information of the plaintext images as the input of SHA-256. Deoxyribonucleic acid sequence operations, as nonlinear processes, could help to improve the robustness of the cryptosystem. Simulation results and security analysis demonstrate the effectiveness of the image encryption algorithm and the capability of withstanding various common attacks.

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Hassan, Sherif T. S. "Tumor Viruses and Their Associated Cancers: Remain on the Track with the Latest Advances". Viruses 14, nr 2 (27.01.2022): 262. http://dx.doi.org/10.3390/v14020262.

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Priyanto, Langgeng, Agung Budiyanto, Asmarani Kusumawati i Kurniasih Kurniasih. "Kerusakan Deoxyribonucleic Acid (DNA) Spermatozoa Memengaruhi Tingkat Kebuntingan Sapi Brahman (DAMAGE TO DEOXYRIBONUCLEIC ACID (DNA) SPERMATOZOA AFFECTING THE LEVEL OF PREGNANCY IN BRAHMAN CATTLE)". Jurnal Veteriner 20, nr 1 (27.05.2019): 119. http://dx.doi.org/10.19087/jveteriner.2019.20.1.119.

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The relationship among of sperm DNA damage in cows with pregnancy rates has not been widely studied. The purpose of this study to determine the relationship of sperm DNA damage with pregnancy rate on Brahman cows. The sperm DNA damage rate was measured by Sperm-BosHalomax® from 2 samples of male Brahman bull straw (40002 and 40885) and pregnancy rate was measured from the success rate of artificial insemination. In 14 female Brahman cows divided into two groups. One group of 7 in the artificial insemination with 40002 males with 37.11% sperm DNA damage and one in artificial insemination with 40885 with 10.65% sperm DNA damage. The data obtained were analyzed descriptively by comparing sperm DNA damage with pregnancy rate. The results showed that at 37.11% sperm DNA damage level was found pregnancy rate 57.11% with ultrasound on 30 day and pregnancy rate 42.80% with ultrasound to 45 day. Result of research on sperm DNA damage level of 10.66% found pregnancy rate 57.11% with ultrasound to 30 day and level pregnancy 57.11% with ultrasound 45 days. The results of this study have concluded that there is a difference in the rate of sperm DNA damage with pregnancy rate in Brahman cows. The sperm DNA damage has an effect on pregnancy rate on Brahman cows.

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Attia, Raghda A. M., Dumitru Baleanu, Dianchen Lu, Mostafa M. A. Khater i El-Sayed Ahmed. "Computational and numerical simulations for the deoxyribonucleic acid (DNA) model". Discrete & Continuous Dynamical Systems - S 14, nr 10 (2021): 3459. http://dx.doi.org/10.3934/dcdss.2021018.

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<p style='text-indent:20px;'>In this research paper, the modified Khater method, the Adomian decomposition method, and B-spline techniques (cubic, quintic, and septic) are applied to the deoxyribonucleic acid (DNA) model to get the analytical, semi-analytical, and numerical solutions. These solutions comprise much information about the dynamical behavior of the homogenous long elastic rods with a circular section. These rods constitute a pair of the polynucleotide rods of the DNA molecule which are plugged by an elastic diaphragm that demonstrates the hydrogen bond's role in this communication. The stability property is checked for some solutions to show more effective and powerful of obtained solutions. Based on the role of analytical and semi-analytical techniques in the motivation of the numerical techniques to be more accurate, the B-spline numerical techniques are applied by using the obtained exact solutions on the DNA model to show which one of them is more accurate than other, to explain more of the dynamic behavior of the homogenous long elastic rods, and to show the coincidence between the different types of obtained solutions. The obtained solutions verified with Maple 16 & Mathematica 12 by placing them back into the original equations. The performance of these methods shows the power and effectiveness of them for applying to many different forms of the nonlinear evolution equations with an integer and fractional order.</p>

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Muflikhah, Lailil, i Ilham Yuliantoro. "Identifying Cancer Disease through Deoxyribonucleic Acid (DNA) Sequential Pattern Mining". International Journal of Intelligence Science 07, nr 01 (2017): 9–23. http://dx.doi.org/10.4236/ijis.2017.71002.

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Haglund, William D., Donald T. Reay i Shelley L. Tepper. "Identification of Decomposed Human Remains by Deoxyribonucleic Acid (DNA) Profiling". Journal of Forensic Sciences 35, nr 3 (1.05.1990): 12879J. http://dx.doi.org/10.1520/jfs12879j.

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Lee, Henry C., Elaine M. Pagliaro, Karen M. Berka, Nancy L. Folk, Daniel T. Anderson, Gualberto Ruano, Tim P. Keith i in. "Genetic Markers in Human Bone: I. Deoxyribonucleic Acid (DNA) Analysis". Journal of Forensic Sciences 36, nr 2 (1.03.1991): 13034J. http://dx.doi.org/10.1520/jfs13034j.

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Jarjoura, David, James Jamison i Stavroula Androulakakis. "Likelihood Ratios for Deoxyribonucleic Acid (DNA) Typing in Criminal Cases". Journal of Forensic Sciences 39, nr 1 (1.01.1994): 13571J. http://dx.doi.org/10.1520/jfs13571j.

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Tekoglu, Serpil, Dominik Wielend, Markus Clark Scharber, Niyazi Serdar Sariciftci i Cigdem Yumusak. "Conducting Polymer‐Based Biocomposites Using Deoxyribonucleic Acid (DNA) as Counterion". Advanced Materials Technologies 5, nr 3 (18.11.2019): 1900699. http://dx.doi.org/10.1002/admt.201900699.

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Verbovaya, Lilya V., i Pavel L. Ivanov. "“Sexing” Deoxyribonucleic Acid (DNA) on DNA Fingerprint Gel: An Internal Control for DNA Fingerprint Evidence". Journal of Forensic Sciences 36, nr 4 (1.07.1991): 13114J. http://dx.doi.org/10.1520/jfs13114j.

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Gutierrez, M. C., A. Ventosa i F. Ruiz-Berraquero. "Deoxyribonucleic acid reiatedness among species of Haloarcula and other halobacteria". Biochemistry and Cell Biology 68, nr 1 (1.01.1990): 106–10. http://dx.doi.org/10.1139/o90-014.

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Several representative strains of Haloarcula vallismortis, Haloarcula hispanica, and other Haloarcula species not currently accepted as valid species were examined for genetic relatedness to each other and to members of other halobacterial species. The G + C content of DNA of the 11 strains of the genus Haloarcula tested ranged between 56.9 and 66.3 mol%. The G + C contents obtained for Haloarcula vallismortis and Haloarcula hispanica were 56.9–64.3 mol%, and 58.7–66.3 mol%, respectively. The results of our DNA–DNA hybridization experiments indicate that Haloarcula vallismortis and Haloarcula hispanica are composed of strains with high DNA homology, constituting genotypic species that correlate with the previously reported phenotypic features. However, our results do not support the separation of "Haloarcula californiae," "Haloarcula sinaiiensis," "Halobacterium marismortui," and "Amoebobacter morrhuae" in different taxonomic taxa, since high DNA homology was obtained between these strains and representatives of species of the genus Haloarcula.Key words: archaebacteria, halobacteria, Haloarcula, DNA homology, nucleic acids hybridization.

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Han, Yahong, Lujia Han, Yumei Yao, Yanfei Li i Xian Liu. "Key factors in FTIR spectroscopic analysis of DNA: the sampling technique, pretreatment temperature and sample concentration". Analytical Methods 10, nr 21 (2018): 2436–43. http://dx.doi.org/10.1039/c8ay00386f.

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Fourier transform infrared (FTIR) spectroscopy has been considered as a powerful tool for analysing the characteristics of deoxyribonucleic acid (DNA) regardless of physical states, sample amounts and the molecular weight of DNA.

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Asaad Zebari, Nichirvan, Dilovan Asaad Zebari, Diyar Qader Zeebaree i Jwan Najeeb Saeed. "Significant features for steganography techniques using deoxyribonucleic acid: a review". Indonesian Journal of Electrical Engineering and Computer Science 21, nr 1 (1.01.2021): 338. http://dx.doi.org/10.11591/ijeecs.v21.i1.pp338-347.

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<p><span>Information security and confidentiality are the prime concern of any type of communication. Rapidly evolution of technology recently, leads to increase the intruder’s ability and a main challenge to information security. Therefore, utilizing the non-traditional basics for information security is required, such as DNA which is focused as a new aspect to achieve better security. In this paper, a survey of more recent DNA based on data hiding algorithms are covered. With particular emphasis of different parameters several data hiding algorithms based on DNA has been reviewed. To present a more secure an efficient data hiding algorithms based on DNA for future works, this willbe helpful. </span></p>

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Joly, Raznin Akter, Md Reazul Islam, Sonia Sultana, Asma Rahman, Md Zakir Sultan, Mohammad Safiqul Islam, Md Saiful Islam i Abul Hasnat. "Interaction of Duloxetine Hydrochloride with Deoxyribonucleic Acid Measured by Fluorescence Spectroscopy". Dhaka University Journal of Pharmaceutical Sciences 14, nr 2 (28.06.2016): 199–206. http://dx.doi.org/10.3329/dujps.v14i2.28511.

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Interactions with many clinically active therapeutic agents with DNA are well studied and it is necessary to decipher the structure of DNA and to investigate the pathological implications of those molecules in living organism. This study investigated the interaction of antidepressant drug Duloxetine-hydrochloride (DLX) with calf thymus DNA (ct-DNA). The interaction of DLX with ct-DNA was studied employing fluorescence spectroscopy. Hypochromic effect was found in the absorption spectra of duloxetine, and its wavelength had no shift in the presence of DNA indicating external binding mode of duloxetine to DNA. Fluorescence spectroscopic results showed the quenching of fluorescence intensity of DLX in presence of DNA indicating the interaction between DLX and DNA. Hydrophobic interaction and hydrogen bonding played the dominating role in DLX-DNA binding and binding forces also indicate the binding site of duloxetine to be at the minor groove of DNA.Dhaka Univ. J. Pharm. Sci. 14(2): 199-206, 2015 (December)

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Lee, Min Kyung, Jooyeon Park, Xuefeng Wang, Mehdi Roein-Peikar, Eunkyung Ko, Ellen Qin, Jonghwi Lee, Taekjip Ha i Hyunjoon Kong. "Rupture force of cell adhesion ligand tethers modulates biological activities of a cell-laden hydrogel". Chemical Communications 52, nr 26 (2016): 4757–60. http://dx.doi.org/10.1039/c6cc00036c.

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Hassan, Zara, Nauman Raza, Abdel-Haleem Abdel-Aty, Mohammed Zakarya, Riaz Ur Rahman, Adeela Yasmeen, Abdisalam Hassan Muse i Emad E. Mahmoud. "New Fractal Soliton Solutions and Sensitivity Visualization for Double-Chain DNA Model". Journal of Function Spaces 2022 (25.08.2022): 1–16. http://dx.doi.org/10.1155/2022/2297866.

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This article discusses dynamics of the fractal double-chain deoxyribonucleic acid model. This structure contains two long elastic homogeneous strands that serve as two polynucleotide chains of deoxyribonucleic acid molecules, bounded by an elastic membrane indicating hydrogen bonds between the base pairs of two chains. The semi-inverse variational principle and auxiliary equation method are employed to extricate soliton solutions. The collection of retrieved exact solutions includes bright, dark, periodic, and other solitons. The constraint conditions emerge naturally which ensure the presence of these solutions. Additionally, 2D and 3D graphs showing the impact of fractals on solutions are included. These plots use appropriate parameter values. Furthermore, sensitivity analysis of the considered model is also acknowledged. The outcomes reveal that these techniques are reliable, effective, and applicable to various biological systems.

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Dezhampanah, Hamid, Termeh Darvishzad i Mehrnaz Aghazadeh. "Thermodynamic and spectroscopic study on the binding of interaction anionic phthalocyanine with calf thymus DNA". Spectroscopy 26, nr 6 (2011): 357–65. http://dx.doi.org/10.1155/2011/452328.

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The interaction between anionic form of copper (II) N,N',N",N'"-tetrasulfonated phthalocyanine Cu (tspc) and to calf thymus deoxyribonucleic acid (ct-DNA) is investigated by measuring UV-vis absorption and fluorescence spectroscopy in phosphate buffer. The binding constant and stoichiometry were determined by analysis of optical absorption spectra of phthalocyanine at various ct-DNA concentrations using SQUAD software. The static mode of fluorescence quenching of phthalocyanine by calf thymus deoxyribonucleic acid indicates the formation of a ground-state complex. The formation of ground-state complex is a spontaneous molecular interaction procedure in which outside groove binding through the formation of an axial bond between the base pairs of nucleotide and Cu in the central core of phthalocyanine.

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Patantis, Gintung, i Yusro Nuri Fawzya. "TEKNIK IDENTIFIKASI MIKROORGANISME SECARA MOLEKULER". Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology 4, nr 2 (19.08.2009): 72. http://dx.doi.org/10.15578/squalen.v4i2.146.

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Akhir-akhir ini bioprospeksi mikroorganisme laut semakin populer dan banyak diminati karena potensinya yang menjanjikan sebagai sumber komponen bioaktif baru. Identifikasi mikroorganisme merupakan salah satu tahapan yang penting dalam bioprospeksi. Perkembangan identifikasi mikroba diawali dengan identifikasi melalui ciri-ciri morfologi, fisiologi, dan metabolisme. Namun adanya kekurangan-kekurangan metode ini yaitu berupa ketidakakuratan dan waktu identifikasi yang lama menjadikan metode secara molekuler lebih berkembang. Pada bakteri, 16S ribosom deoxyribonucleic acid (rDNA) mempunyai daerah sekuen yang konservatif sehingga dapat digunakan untuk menduga hubungan kekerabatan secara alami antar spesies. Sedangkan pada kapang digunakan 18S rDNA dan daerah internal transcribed spacer (ITS) untuk identifikasinya. Tahapan identifikasi dengan metode molekuler meliputi ekstraksi deoxyribonucleic acid (DNA), amplifikasi DNA, sekuensing, analisis hasil sekuen, dan pembuatan pohon filogenetik. Balai Besar Riset Pengolahan Produk dan Bioteknologi Kelautan dan Perikanan (BBRP2B-KP) memiliki koleksi mikroba potensial penghasil enzim kitosanase, kitinase, dan protease dari berbagai sampel dari lingkungan laut. Berdasarkan pohon filogenetik beberapa isolat koleksi memiliki kemiripan 87–96% dengan Staphylococcus caprae, Stenotrophomonas maltophilia, Acinetobacter sp., Bacillus licheniformis, Geobacillus stearothermophilus.

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Wang, Bingyu, Runbing Li, Ying Cai, Boru Li, Shuangjian Qin, Kai Zheng, Ming Zeng, Fang Xiao, Zhaohui Zhang i Xinyun Xu. "Alteration of DNA methylation induced by PM2.5 in human bronchial epithelial cells". Toxicology Research 9, nr 4 (lipiec 2020): 552–60. http://dx.doi.org/10.1093/toxres/tfaa061.

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Abstract This current study explored the effects of fine particulate matter (PM2.5) on deoxyribonucleic acid methylation in human bronchial epithelial cells. Human bronchial epithelial cells were exposed to PM2.5 for 24 h after which, deoxyribonucleic acid samples were extracted, and the differences between methylation sites were detected using methylation chips. Subsequent gene ontology functional enrichment and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were performed for the differential methylation sites. Functional epigenetic modules analysis of the overall differential methylation site interactions was also conducted. A total of 127 differential methylation sites in 89 genes were screened in the PM2.5 10 μg/ml group, of which 55 sites demonstrated increased methylation, with methylation levels decreasing in a further 72 sites. Following an exposure of 50 μg/ml PM2.5, a total of 238 differentially methylated sites were screened in 168 genes, of which methylation levels increased in 127 sites, and decreased in 111. KEGG analysis showed that the top 10 enrichment pathways predominantly involve hepatocellular carcinoma pathways and endometrial cancer pathways, whereas functional epigenetic modules analysis screened eight genes (A2M, IL23A, TPIP6, IL27, MYD88, ILE2B, NLRC4, TNF) with the most interactions. Our results indicate that exposure to PM2.5 for 24 h in human bronchial epithelial cells induces marked changes in deoxyribonucleic acid methylation of multiple genes involved in apoptosis and carcinogenesis pathways, these findings can provide a new direction for further study of PM2.5 carcinogenic biomarkers.

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Majiwa, P. A. O., i P. Webster. "A repetitive deoxyribonucleic acid sequence distinguishes Trypanosoma simiae from T. congolense". Parasitology 95, nr 3 (grudzień 1987): 543–58. http://dx.doi.org/10.1017/s0031182000057978.

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SUMMARYThe dominant repetitive deoxyribonucleic acid (DNA) sequence in the genome of a clone of Trypanosoma (Nannomonas) simiae has been identified and cloned as a recombinant plasmid. The recombinant plasmid was used in hybridization analyses of DNA samples obtained from various trypanosome species and subspecies. The results indicated that the T. simiae repetitive DNA sequence hybridized with DNA derived only from T. simiae; it did not hybridize with DNA derived from clones or stocks of T. congolense, or from any other trypanosome species examined. A preliminary characterization of the cloned DNA sequence and its use in the identification of T. simiae of similar genotypes are presented.

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Patel, Ashish C., i C. G. Joshi. "Deoxyribonucleic Acid as a Tool for Digital Information Storage: An Overview". INDIAN JOURNAL OF VETERINARY SCIENCES AND BIOTECHNOLOGY 15, nr 01 (25.07.2019): 1–8. http://dx.doi.org/10.21887/ijvsbt.15.1.1.

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Current data storage technologies cannot keep pace longer with exponentially growing amounts of data through the extensive use of social networking photos and media, etc. The "digital world” with 4.4 zettabytes in 2013 has predicted it to reach 44 zettabytes by 2020. From the past 30 years, scientists and researchers have been trying to develop a robust way of storing data on a medium which is dense and ever-lasting and found DNA as the most promising storage medium. Unlike existing storage devices, DNA requires no maintenance, except the need to store at a cool and dark place. DNA has a small size with high density; just 1 gram of dry DNA can store about 455 exabytes of data. DNA stores the informations using four bases, viz., A, T, G, and C, while CDs, hard disks and other devices stores the information using 0’s and 1’s on the spiral tracks. In the DNA based storage, after binarization of digital file into the binary codes, encoding and decoding are important steps in DNA based storage system. Once the digital file is encoded, the next step is to synthesize arbitrary single-strand DNA sequences and that can be stored in the deep freeze until use.When there is a need for information to be recovered, it can be done using DNA sequencing. New generation sequencing (NGS) capable of producing sequences with very high throughput at a much lower cost about less than 0.1 USD for one MB of data than the first sequencing technologies. Post-sequencing processing includes alignment of all reads using multiple sequence alignment (MSA) algorithms to obtain different consensus sequences. The consensus sequence is decoded as the reversal of the encoding process. Most prior DNA data storage efforts sequenced and decoded the entire amount of stored digital information with no random access, but nowadays it has become possible to extract selective files (e.g., retrieving only required image from a collection) from a DNA pool using PCR-based random access. Various scientists successfully stored up to 110 zettabytes data in one gram of DNA. In the future, with an efficient encoding, error corrections, cheaper DNA synthesis,and sequencing, DNA based storage will become a practical solution for storage of exponentially growing digital data.

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Nandi, Semonti, Narendra Kale, Ashwini Patil, Shashwat Banerjee, Yuvraj Patil i Jayant Khandare. "A graphene-sandwiched DNA nano-system: regulation of intercalated doxorubicin for cellular localization". Nanoscale Advances 2, nr 12 (2020): 5746–59. http://dx.doi.org/10.1039/d0na00575d.

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Regulation and control over the cellular localization employing graphene oxide (GO) and iron oxide (Fe₃O₄) NPs and sandwiched deoxyribonucleic acid (DNA) intercalated with anticancer drug doxorubicin (DOX).

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Bembnowicz, Paweł, Piotr Herbut, Patryk Halek, Helena Teterycz, Leszek J. Golonka, Małgorzata Małodobra i Tadeusz Dobosz. "The LTCC Chip for Electrochemical Measurement of DNA Concentration". Journal of Microelectronics and Electronic Packaging 7, nr 4 (1.10.2010): 220–22. http://dx.doi.org/10.4071/imaps.278.

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The LTCC (low temperature cofired ceramics) technology still finds new applications. In this paper LTCC chamber for measurements of DNA (deoxyribonucleic acid) concentration is described. The ceramic chip with electrodes is shown. The platinum paste is used for three buried electrodes construction. The results of electrochemical DNA concentration measurements inside ceramic structure are shown.

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Coq, C. Le, C. Guervin, M. Esclapez i J. Moret. "Méthode d'étude des quantités d'ADN métaphasique après écrasement de méristèmes radiculaires". Genome 35, nr 4 (1.08.1992): 706–8. http://dx.doi.org/10.1139/g92-108.

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A method is described for standardized preparation of meristematic root cells treated with colchicine for cytophotométrie analysis of metaphase DNA. Deoxyribonucleic acid has been stained by the Feulgen reaction prior to crushing of the cells.Key words: cytophotometry, Ornithogalum, nuclear DNA content.

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Giusti, Alan, Michael Baird, Sam Pasquale, Ivan Balazs i Jeffrey Glassberg. "Application of Deoxyribonucleic Acid (DNA) Polymorphisms to the Analysis of DNA Recovered from Sperm". Journal of Forensic Sciences 31, nr 2 (1.04.1986): 12270J. http://dx.doi.org/10.1520/jfs12270j.

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Stawski, Robert, Emilia Stec-Martyna, Adam Chmielecki, Dariusz Nowak i Ewelina Perdas. "Current Trends in Cell-Free DNA Applications. Scoping Review of Clinical Trials". Biology 10, nr 9 (13.09.2021): 906. http://dx.doi.org/10.3390/biology10090906.

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We aimed to summarize the current knowledge about the trends in cfDNA application based on the analysis of clinical trials registered until April 2021. International Clinical Trials Registry Platform (ICTRP) and Clinicaltrials.gov were searched with the keywords: “cf-DNA”; “Circulating DNA”; “Deoxyribonucleic Acid”; and “Cell-Free Deoxyribonucleic Acid”. Of 605 clinical trials, we excluded 237 trials, and 368 remaining ones were subject to further analysis. The subject, number of participants, and study design were analyzed. Our scoping review revealed three main trends: oncology (n = 255), non-invasive prenatal diagnostic (n = 48), and organ transplantation (n = 41), and many (n = 22) less common such as sepsis, sport, or autoimmune diseases in 368 clinical trials. Clinical trials are translating theory into clinical care. However, the diagnostic value of cfDNA remains controversial, and diagnostic accuracy still needs to be evaluated. Thus, further studies are necessary until cfDNA turns into a standard in clinical practice.

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Shih, Chien-Chung, Cheng-Yu Chung, Jeun-Yan Lam, Hung-Chin Wu, Yuma Morimitsu, Hisao Matsuno, Keiji Tanaka i Wen-Chang Chen. "Transparent deoxyribonucleic acid substrate with high mechanical strength for flexible and biocompatible organic resistive memory devices". Chemical Communications 52, nr 92 (2016): 13463–66. http://dx.doi.org/10.1039/c6cc07648c.

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Biocompatible deoxyribonucleic acid (DNA), with high mechanical strength, was employed as the substrate for a Ag nanowire (Ag NW) pattern and then used to fabricate flexible resistor-type memory devices.

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Rajeswari, J., i GP Chakravarthi. "Deoxyribonucleic acid (DNA) methylation and its impact in generation of cancer". Journal of Clinical and Scientific Research 3, nr 3 (2014): 181. http://dx.doi.org/10.15380/2277-5706.jcsr.13.070.

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Kwok, H. L. "Modelling current transport through DNA (deoxyribonucleic acid) molecules using equivalent circuits". IEE Proceedings - Nanobiotechnology 151, nr 6 (2004): 193. http://dx.doi.org/10.1049/ip-nbt:20045007.

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