TẠP CHÍ KHOA HỌC TRƯỜNG ĐHSP HÀ NỘI 2: CHUYÊN SAN KHOA HỌC TỰ NHIÊN VÀ CÔNG NGHỆ

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Identification and characterization of genes encoding phosphoinositide-specific phospholipase C revealed role in drought stress condition in cassava (Manihot esculenta)
TẠP CHÍ KHOA HỌC TRƯỜNG ĐHSP HÀ NỘI 2: CHUYÊN SAN KHOA HỌC TỰ NHIÊN VÀ CÔNG NGHỆ - Tập 2 Số 3 - Trang 42-50 - 2023
Lan-Huong Do Thi, Hoang-Minh Ta, Duc-Ha Chu
Phosphoinositide-specific phospholipase C (PI-PLC) has been known as one of the key enzymes that involved in the phospholipid hydrolysis. However, the PI-PLC family in cassava has not been fully recorded. In this study, we reported a comprehensive analysis of the PI-PLC family in cassava assembly based on various bioinformatics tools. Particularly, a total of seven members of the PI-PLC family has...... hiện toàn bộ
#Cassava #identification #gene expression #phosphoinositide-specific phospholipase C #drought stress
Algebraic dependences of meromorphic mappings sharing few moving hyperplanes with truncated multiplicity
TẠP CHÍ KHOA HỌC TRƯỜNG ĐHSP HÀ NỘI 2: CHUYÊN SAN KHOA HỌC TỰ NHIÊN VÀ CÔNG NGHỆ - Tập 3 Số 1 - Trang 3-12 - 2024
Huong-Giang Ha
In this article, we will prove an algebraic dependence theorem for meromorphic mappings into a complex projective space sharing few moving hyperplanes with different truncated multiplicity. Moreover, we also consider the weaker condition: \[\nu _{(f,{a_i}), \le k_i}\le \nu _{(g,{a_i}), \le k_i} \text{ instead of } \nu _{(f,{a_i}), \le k_i}= \nu_{(g,{a_i}), \le k_i}\] for some moving hyperplanes  a...... hiện toàn bộ
#Nevanlinna theory #algebraic dependence #meromorphic mapping #hyperplanes
The origins of size-dependent UV stabilities of CdZnTeS alloyed quantum dots
TẠP CHÍ KHOA HỌC TRƯỜNG ĐHSP HÀ NỘI 2: CHUYÊN SAN KHOA HỌC TỰ NHIÊN VÀ CÔNG NGHỆ - Tập 3 Số 1 - Trang 39-46 - 2024
Phuong-Nam Nguyen, Thi-Phuong Nguyen, Anh-Duc Vu, Duy-Khanh Nguyen, Duy-Tung Dao, Xuan-Dung Mai
CdTe-based quantum dots (QDs) have been used as active materials in various applications, such as sensing, imaging, and light-harvesting devices where the QDs are continuously illuminated by suitable lights. Passivation of CdTe QDs with stable inorganic layers to form core/shell or core/multiple-shell structures has been demonstrated to improve the stabilities of QDs against illumination. However,...... hiện toàn bộ
#CdTe quantum dots #alloyed structure #size-dependent #stabilities #dissolution
Analytic formulas for (g-2)_{e, mu} anomalies and decays in a 3-3-1 model with inverse seesaw neutrinos
TẠP CHÍ KHOA HỌC TRƯỜNG ĐHSP HÀ NỘI 2: CHUYÊN SAN KHOA HỌC TỰ NHIÊN VÀ CÔNG NGHỆ - Tập 2 Số 1 - Trang 3-15 - 2023
Thi-Hong Trinh , Thanh-Phong Nguyen , Thi-Bich Pham , Tho-Hue Le , Huy-Thao Nguyen, Xuan-Chien Do
Analytic formulas for one-loop contributions to (g−2)e,µ anomalies and decays amplitudes  are explicitly derived for the 3-3-1 model with inverse seesaw neutrinos (3-3-1ISS). Using these formulas to investigate  defined as the discrepancies of (g−2)e,µ anomalies between the standard and the 3-3-1ISS models, our numerical investigations showed that  can reach the maximal values of around 2.5 10-14 ...... hiện toàn bộ
#inverse seesaw mechanism #beyond the standard model #etc...
Algorithm optimizing profitability in the manufacturing industry
TẠP CHÍ KHOA HỌC TRƯỜNG ĐHSP HÀ NỘI 2: CHUYÊN SAN KHOA HỌC TỰ NHIÊN VÀ CÔNG NGHỆ - Tập 2 Số 3 - Trang 19-33 - 2023
Kim-Thanh Tran Thi
This article focuses on optimizing profitability in the manufacturing sector by integrating critical elements such as production, pricing, resource allocation, and cost analysis. Through preliminary steps, the article proposes a complex mathematical model to maximize profit by making intelligent decisions regarding production and pricing. Predicting demand, analyzing costs, and allocating resource...... hiện toàn bộ
#algorithm #optimizing profitability #production #pricing #resource allocation #cost analysis
Synthesis of new triazole-fused bicyclic heterocycles involving benzofuran from 4-amino-1,2,4-triazole-3-thiol
TẠP CHÍ KHOA HỌC TRƯỜNG ĐHSP HÀ NỘI 2: CHUYÊN SAN KHOA HỌC TỰ NHIÊN VÀ CÔNG NGHỆ - Tập 1 Số 2 - Trang 64-69 - 2023
Thanh-Tu Bui, Tan-Tai Nguyen, Hoang-Uy Tan, Hoang-Danh Nguyen
In the further research and synthesis of hybrid molecules which exhibit highly biological activities, the synthesis of triazole-fused bicyclic heterocycles bearing the benzofuran has been undertaken. A facile, convenient and good yielding synthesis of novel benzofuran-bearing 1,2,4-trazole derivatives were described. Herein, two derivatives of [1,2,4]triazolo[3,4-b][1,3,4]thiadiazole were synthesi...... hiện toàn bộ
#Benzofuran #1 #2 #4-triazole #4-amino-1 #2 #4-triazole-3-thiol #[1 #2 #4]triazolo[3 #4-b][1 #3 #4]thiadiazole #triazole-fused bicyclic #heterocycles
Privacy preserving using extended euclidean – algorithm applied to RSA
TẠP CHÍ KHOA HỌC TRƯỜNG ĐHSP HÀ NỘI 2: CHUYÊN SAN KHOA HỌC TỰ NHIÊN VÀ CÔNG NGHỆ - Tập 1 Số 2 - Trang 53-63 - 2023
Thi-Nhung Nguyen
RSA cryptography is a strong encryption method widely used in online transactions. Using the extended Euclidean algorithm is an important and efficient technique for finding the secret key in RSA cryptography. This study provides an implementation of the extended Euclidean algorithm to find secret keys based on RSA cryptography and hopes that it can be of help to experts in the field of ...... hiện toàn bộ
#Cryptography #Steganography #Watermarking #RSA #private key
Effects of cutting types, cultivating seasons and several commercial rooting stimulants on root formation of cutting patchouli
TẠP CHÍ KHOA HỌC TRƯỜNG ĐHSP HÀ NỘI 2: CHUYÊN SAN KHOA HỌC TỰ NHIÊN VÀ CÔNG NGHỆ - Tập 1 Số 1 - Trang 66-72 - 2022
Phuong-Quy Nguyen, Xuan-Dung Vu, Lan-Huong Phung Thi, Thu-Thao Nguyen Thi
Patchouli (Pogostemon cablin (Blanco) Benth.) is a plant producing an important essential oil plant for the perfume industry. Moreover, it also has a high medicinal value. This study aims to investigate the effects of several factors, including cutting types, cultivating seasons, and commercial rooting stimulants, on the rooting process of patchouli cuttings. The obtained results demonstrated that...... hiện toàn bộ
#Patchouli (Pogostemon cablin (Blanco) Benth.) #cuttings #seasons #commercial root stimulants #rooting
Chemical Constituents from the Whole Plant of Scutellaria indica
TẠP CHÍ KHOA HỌC TRƯỜNG ĐHSP HÀ NỘI 2: CHUYÊN SAN KHOA HỌC TỰ NHIÊN VÀ CÔNG NGHỆ - Tập 2 Số 1 - Trang 44-51 - 2022
Truong-Nhan Ngu, Dao-Cuong To, Thao-Vy Trinh Ngoc, Bich-Hanh Dam Thi
Three compounds, naringenin (1), arctiin (2) and martinoside (3) were isolated from the whole plant of Scutellaria indica (Labiatae). The chemical structures of these compounds were determined by spectroscopic analyses including 1D- and 2D-NMR. Compounds 2 and 3 were isolated from S. indica for the first time
Some notes on the dynamic behavior of COVID-19 epidemic disease governed by modified SEIR epidemic model with saturated treatment function
TẠP CHÍ KHOA HỌC TRƯỜNG ĐHSP HÀ NỘI 2: CHUYÊN SAN KHOA HỌC TỰ NHIÊN VÀ CÔNG NGHỆ - Tập 2 Số 1 - Trang 3-23 - 2022
Thanh-Dung Dao , Chi-Nguyen Nguyen , Hong-Ngat Kieu Thi , Thu-Huyen Dinh Thi, Van-Huy Kieu
In this work, based on theory of differential systems and stability theory, we are in the first stage to study some applications of differential systems in real-world modelling problems. Here, we propose a mathematical epidemic model, namely SEIR epidemic model with saturated treatment to describe the COVID-19 infection. Based on the next–generation matrix method and the theory of Lyapunov stabili...... hiện toàn bộ
#controlled SEIR epidemic model with saturated treatment #basic reproduction number R_0 #asymptotic stability #disease-free equilibrium #endemic equilibrium #optimal control problem
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