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48 Results Found

  • Article
  • Open Access
15 Citations
3,828 Views
18 Pages

An Evaluation of Kernel Zinc in Hybrids of Elite Quality Protein Maize (QPM) and Non-QPM Inbred Lines Adapted to the Tropics Based on a Mating Design

  • Edna K. Mageto,
  • Michael Lee,
  • Thanda Dhliwayo,
  • Natalia Palacios-Rojas,
  • Félix San Vicente,
  • Juan Burgueño and
  • Arnel R. Hallauer

Genetic improvement of maize with elevated levels of zinc (Zn) can reduce Zn deficiency among populations who rely on maize as a staple. Inbred lines of quality protein maize (QPM) and non-QPM with elevated Zn levels in the kernel have been identifie...

  • Review
  • Open Access
39 Citations
14,242 Views
16 Pages

Breeding for Quality Protein Maize (QPM) Varieties: A Review

  • Liliane N. Tandzi,
  • Charles S. Mutengwa,
  • Eddy L. M. Ngonkeu,
  • Noé Woïn and
  • Vernon Gracen

28 November 2017

The nutritional evaluation of quality protein maize (QPM) in feeding trials has proved its nutritional superiority over non-QPM varieties for human and livestock consumption. The present paper reviews some of the most recent achievements in developme...

  • Article
  • Open Access
27 Citations
3,716 Views
17 Pages

Heritability and Associations among Grain Yield and Quality Traits in Quality Protein Maize (QPM) and Non-QPM Hybrids

  • Isaac Kodzo Amegbor,
  • Angeline van Biljon,
  • Nemera Shargie,
  • Amsal Tarekegne and
  • Maryke T. Labuschagne

8 March 2022

Maize (Zea mays L.) is the main staple cereal food crop cultivated in southern Africa. Interactions between grain yield and biochemical traits can be useful to plant breeders in making informed decisions on the traits to be considered in breeding pro...

  • Article
  • Open Access
13 Citations
4,999 Views
16 Pages

Characterization of Liposomes Using Quantitative Phase Microscopy (QPM)

  • Jennifer Cauzzo,
  • Nikhil Jayakumar,
  • Balpreet Singh Ahluwalia,
  • Azeem Ahmad and
  • Nataša Škalko-Basnet

The rapid development of nanomedicine and drug delivery systems calls for new and effective characterization techniques that can accurately characterize both the properties and the behavior of nanosystems. Standard methods such as dynamic light scatt...

  • Article
  • Open Access
1 Citations
2,941 Views
11 Pages

Characterization of phi112, a Molecular Marker Tightly Linked to the o2 Gene of Maize, and Its Utilization in Multiplex PCR for Differentiating Normal Maize from QPM

  • Alla Singh,
  • Chikkappa Karjagi,
  • Sehgeet Kaur,
  • Gagan Jeet,
  • Deepak Bhamare,
  • Sonu Gupta,
  • Sunil Kumar,
  • Abhijit Das,
  • Mamta Gupta and
  • Manoj Kumar
  • + 5 authors

20 February 2023

Quality Protein Maize (QPM) contains higher amounts of essential amino acids lysine and tryptophan. The QPM phenotype is based on regulating zein protein synthesis by opaque2 transcription factor. Many gene modifiers act to optimize the amino acid co...

  • Article
  • Open Access
565 Views
11 Pages

Clinical Outcomes of ICSI Using Advanced Quantitative Phase Microscopy

  • Roni Rahav-Koren,
  • Luba Nemerovsky,
  • Yehudith Ghetler,
  • Einat Haikin-Herzberger,
  • Liat Salzer-Sheelo,
  • Netanella Miller,
  • Amir Wiser and
  • Mattan Levi

This study evaluated the clinical outcomes associated with quantitative phase microscopy (QPM), an advanced 3D morphological sperm analysis technique using a virtual, stained model developed in our facility that indicates whether the inspected sperm...

  • Article
  • Open Access
7 Citations
3,682 Views
14 Pages

Stain-Free Sperm Analysis and Selection for Intracytoplasmic Sperm Injection Complying with WHO Strict Normal Criteria

  • Yulia Michailov,
  • Luba Nemerovsky,
  • Yehudith Ghetler,
  • Maya Finkelstein,
  • Oshrat Schonberger,
  • Amir Wiser,
  • Arie Raziel,
  • Bozhena Saar-Ryss,
  • Ido Ben-Ami and
  • Mattan Levi
  • + 13 authors

23 September 2023

This multi-center study evaluated a novel microscope system capable of quantitative phase microscopy (QPM) for label-free sperm-cell selection for intracytoplasmic sperm injection (ICSI). Seventy-three patients were enrolled in four in vitro fertiliz...

  • Article
  • Open Access
16 Citations
3,052 Views
28 Pages

26 November 2021

An increase in the average global temperature and drought is anticipated in sub-Saharan Africa (SSA) as a result of climate change. Therefore, early white quality protein maize (QPM) hybrids with tolerance to combined drought and heat stress (CDHS) a...

  • Article
  • Open Access
15 Citations
3,723 Views
10 Pages

Near-Infrared Reflectance Spectrophotometry (NIRS) Application in the Amino Acid Profiling of Quality Protein Maize (QPM)

  • Emmanuel Oladeji Alamu,
  • Abebe Menkir,
  • Michael Adesokan,
  • Segun Fawole and
  • Busie Maziya-Dixon

9 September 2022

The accurate quantification of amino acids in maize breeding programs is challenging due to the high cost of analysis using High-Performance Liquid Chromatography (HPLC) and other conventional methods. Using the Near-Infrared Spectroscopic (NIRS) met...

  • Article
  • Open Access
12 Citations
4,094 Views
11 Pages

20 September 2018

A support vector regression (SVR) method was introduced to improve the robustness and predictability of the design space in the implementation of quality by design (QbD), taking the extraction process of Pueraria lobata as a case study. In this paper...

  • Article
  • Open Access
8 Citations
4,016 Views
20 Pages

5 May 2022

Maize production in the savannas of sub-Saharan Africa (SSA) is constrained by the low nitrogen in the soils. The identification of quantitative trait loci (QTL) conferring tolerance to low soil nitrogen (low-N) is crucial for the successful breeding...

  • Review
  • Open Access
32 Citations
7,611 Views
14 Pages

Optical Terahertz Sources Based on Difference Frequency Generation in Nonlinear Crystals

  • Yang Liu,
  • Kai Zhong,
  • Aiqiang Wang,
  • Mengchen Zhou,
  • Shanchuang Li,
  • Lu Gao and
  • Ze Zhang

1 July 2022

Terahertz (THz) sources, ranging from 0.1 THz to 10 THz, between microwaves and infrared waves, have important applications in spectral detection, medical imaging, communication, etc. Difference frequency generation (DFG) is an effective method for g...

  • Article
  • Open Access
5 Citations
4,424 Views
13 Pages

1 December 2018

This study seeks to evaluate the response of 17 yellow Quality Protein Maize (QPM) inbred line seedlings to drought stress (DS), using different morphophysiological traits (plant height (PH), chlorophyll content (CC), stem diameter (SD), proline cont...

  • Article
  • Open Access
13 Citations
4,333 Views
10 Pages

Identifying Quality Protein Maize Inbred Lines for Improved Nutritional Value of Maize in Southern Africa

  • Isaac Amegbor,
  • Angeline van Biljon,
  • Nemera Shargie,
  • Amsal Tarekegne and
  • Maryke Labuschagne

22 March 2022

Malnutrition, as a result of deficiency in essential nutrients in cereal food products and consumption of a poorly balanced diet, is a major challenge facing millions of people in developing countries. However, developing maize inbred lines that are...

  • Article
  • Open Access
8 Citations
2,792 Views
14 Pages

Sodium Alginate-Quaternary Polymethacrylate Composites: Characterization of Dispersions and Calcium Ion Cross-Linked Gel Beads

  • Wanwisa Khunawattanakul,
  • Napaphak Jaipakdee,
  • Thitiphorn Rongthong,
  • Narin Chansri,
  • Pathomthat Srisuk,
  • Padungkwan Chitropas and
  • Thaned Pongjanyakul

15 November 2022

The objective of this work was to examine the effect of quaternary polymethacrylate (QPM), a water-insoluble polymer with a positive charge, on the characteristics of the sodium alginate (SA) dispersions and the calcium alginate (CA) gel beads contai...

  • Article
  • Open Access
27 Citations
8,534 Views
19 Pages

Mapping Powdery Mildew (Blumeria graminis f. sp. tritici) Resistance in Wild and Cultivated Tetraploid Wheats

  • Rosanna Simeone,
  • Luciana Piarulli,
  • Domenica Nigro,
  • Massimo Antonio Signorile,
  • Emanuela Blanco,
  • Giacomo Mangini and
  • Antonio Blanco

24 October 2020

Wheat is the most widely grown crop and represents the staple food for one third of the world’s population. Wheat is attacked by a large variety of pathogens and the use of resistant cultivars is an effective and environmentally safe strategy f...

  • Article
  • Open Access
7 Citations
3,346 Views
12 Pages

The application of nanoparticles (NPs) and quasi-phase matching (QPM) each play an important role in the enhancement of high-order harmonics (HHG) of ultrashort laser pulses. We analyze various regimes of nanoparticle plasma formation for the creatio...

  • Article
  • Open Access
797 Views
18 Pages

Early Sowing Approach for Developing Climate Resilient Maize: Cold Stress Impact on Germination of Adapted Inbred Lines with High Nutritive Value

  • Marija Kostadinović,
  • Mirjana Milovanović,
  • Ana Nikolić,
  • Ksenija Marković,
  • Jelena Vukadinović,
  • Jelena Vančetović and
  • Dragana Ignjatović Micić

15 August 2025

In temperate regions, early sowing of high nutritive genotypes could support maize production sustainability by avoiding warming-related unfavorable environment conditions during flowering. Seven standard maize (SM) lines and their nine quality prote...

  • Article
  • Open Access
1 Citations
1,637 Views
13 Pages

Quantitative Trait Loci Mapping for Powdery Mildew Resistance in Wheat Genetic Population

  • Zhiyong Zhao,
  • Yuliang Qiu,
  • Menglin Cao,
  • Hongyuan Bi,
  • Guan Si and
  • Xianghai Meng

6 November 2024

Powdery mildew is a prevalent wheat disease that affects yield and quality. The characterization and fine mapping of genes associated with powdery mildew resistance can benefit marker-assisted breeding. In this study, quantitative trait loci (QTL) as...

  • Article
  • Open Access
20 Citations
6,406 Views
15 Pages

18 January 2019

Quality protein maize (QPM) varieties are biofortified, or nutritionally improved, to have higher lysine and tryptophan levels to increase quality protein intakes particularly among young children. This study assesses adequacy of children’s pro...

  • Review
  • Open Access
9 Citations
3,646 Views
22 Pages

A Brief Review on Nonlinear Photonic Crystals Induced by Direct Femtosecond Laser Writing

  • Yaolan Tian,
  • Qingbo Li,
  • Lili Yan,
  • Xiangdong Cao and
  • Xian Zhao

Direct femtosecond laser writing or inscription is a useful technique, and it has been employed to engineer various materials in many applications including nonlinear photonic crystals, which are of periodically patterned second-order nonlinearity to...

  • Article
  • Open Access
2 Citations
2,193 Views
12 Pages

29 January 2024

We demonstrate a method for the realization of highly nonlinear optical 4-(4-dimethylaminostyryl)- 1-methylpyridinium tosylate (DAST) two-dimensional structures by a double-step technique. The desired polymeric structures were first fabricated by usi...

  • Article
  • Open Access
2 Citations
1,736 Views
8 Pages

7 July 2023

The results of a study on the effect of pressure in a medium consisting of a set of gas jets separated by vacuum gaps, interacting with two-color laser fields formed by the fundamental and the second harmonics of a laser, are presented herein. It has...

  • Article
  • Open Access
1,554 Views
12 Pages

30 July 2025

Sensing transparent objects has many applications in human daily life, including robot navigation and grasping. However, this task presents significant challenges due to the unpredictable nature of scenes that extend beyond/behind transparent objects...

  • Article
  • Open Access
571 Views
30 Pages

Humans typically describe spatial location using names, hierarchies, and relative positions (e.g., east of, inside), yet mainstream GIS represents places primarily through geometric coordinates, rendering qualitative spatial queries computationally c...

  • Article
  • Open Access
12 Citations
5,919 Views
13 Pages

Nitrogen Use Efficiency of Quality Protein Maize (Zea mays L.) Genotypes

  • Olusola Oluyinka Adeoluwa,
  • Charles Shelton Mutengwa,
  • Cornelius Chiduza and
  • Ngoune Liliane Tandzi

Use of more nutrient-use efficient Quality Protein Maize (QPM) varieties will likely play a pivotal role in maintaining or increasing crop yields and nutritional values in fields where soils are degraded. This study aimed to: (i) assess the nitrogen...

  • Article
  • Open Access
14 Citations
4,273 Views
14 Pages

25 April 2019

Novel methods of coherent short-wavelength sources generation require thorough analysis for their further amendments and practical implementations. In this work, we report on the quasi-phase matching (QPM) of high-order harmonics generation during th...

  • Article
  • Open Access
3 Citations
3,371 Views
9 Pages

Simultaneous Generation of Two Pairs of Stokes and Terahertz Waves from Coupled Optical Parametric Oscillations with Quasi-Phase-Matching

  • Zhongyang Li,
  • Lian Tan,
  • Yongjun Li,
  • Bin Yuan,
  • Silei Wang,
  • Mengtao Wang,
  • Pibin Bing and
  • Sheng Yuan

14 August 2018

We present a theoretical investigation on simultaneous generation of two pairs of Stokes and terahertz (THz) waves from coupled optical parametric oscillations (OPOs) with a quasi-phase-matching (QPM) scheme. The two pairs of Stokes and THz waves are...

  • Article
  • Open Access
177 Views
9 Pages

Practical development of terahertz technology requires higher power radiation sources. The sheet electron beam vacuum device is an effective solution of increasing the output power of terahertz radiation sources, but faces the difficulty of stable tr...

  • Article
  • Open Access
2 Citations
3,292 Views
19 Pages

A mid-infrared difference frequency generator (DFG) based on a periodically poled thin-film lithium niobate rib waveguide on a sapphire substrate is theoretically studied. A mode analysis is carried out at the mid-infrared region, and the analysis fo...

  • Article
  • Open Access
23 Citations
6,870 Views
18 Pages

25 December 2017

This study aims to reveal rainfall anomalies and changes over the Yellow River Basin due to the fragile ecosystem and rainfall-related disasters. Common trend analyses relate to overall trends in mean values. Therefore, we used two graphical methods:...

  • Article
  • Open Access
1,963 Views
13 Pages

1 November 2022

Breeding for Al tolerance is the most sustainable strategy to reduce yield losses caused by Al toxicity in plants. The use of rapid, cheap and reliable testing methods and environments enables breeders to make quick selection decisions. The objective...

  • Article
  • Open Access
12 Citations
3,776 Views
12 Pages

Effect of Spring Maize Genotypes on Fermentation and Nutritional Value of Whole Plant Maize Silage in Northern Pakistan

  • Mingming Jiang,
  • Yulin Ma,
  • Nadar Khan,
  • Muhammad Zahoor Khan,
  • Ali Akbar,
  • Rifat Ullah Khan,
  • Muhammad Kamran and
  • Nazir Ahmad Khan

In the current study, we evaluated the growth, biomass yield, ensiling, and nutritional characteristics of spring maize genotypes grown under the climatic conditions of Northern Pakistan. Six promising spring maize genotypes were grown under uniform...

  • Review
  • Open Access
12 Citations
7,186 Views
46 Pages

30 July 2019

At the time when many nonlinear optical (NLO) materials for frequency conversion of laser sources in the mid and long-wave infrared have achieved their fundamental or technological limits, we propose heteroepitaxy as a solution to develop novel NLO m...

  • Article
  • Open Access
5 Citations
4,012 Views
9 Pages

A Tunable CW Orange Laser Based on a Cascaded MgO:PPLN Single-Pass Sum-Frequency Generation Module

  • Dismas K. Choge,
  • Huai-Xi Chen,
  • Bao-Lu Tian,
  • Yi-Bin Xu,
  • Guang-Wei Li and
  • Wan-Guo Liang

15 March 2018

We report an all-solid-state continuous wave (CW) tunable orange laser based on cascaded single-pass sum-frequency generation with fundamental wavelengths at 1545.7 and 975.2 nm using two quasi-phase-matched (QPM) MgO-doped periodically poled lithium...

  • Article
  • Open Access
12 Citations
4,646 Views
12 Pages

11 June 2022

We estimated dietary supplies of total and available protein and indispensable amino acids (IAAs) and predicted the risk of deficiency in Malawi using Household Consumption and Expenditure Survey data. More than half of dietary protein was derived fr...

  • Article
  • Open Access
25 Citations
12,475 Views
24 Pages

Mask2Former with Improved Query for Semantic Segmentation in Remote-Sensing Images

  • Shichen Guo,
  • Qi Yang,
  • Shiming Xiang,
  • Shuwen Wang and
  • Xuezhi Wang

4 March 2024

Semantic segmentation of remote sensing (RS) images is vital in various practical applications, including urban construction planning, natural disaster monitoring, and land resources investigation. However, RS images are captured by airplanes or sate...

  • Article
  • Open Access
8 Citations
3,655 Views
13 Pages

25 May 2022

In this work, 75 quality protein maize (QPM) inbred lines were evaluated for aluminum tolerance using a nutrient solution assay in a laboratory and a soil-based technique in a greenhouse tunnel. The experiment was set up in a completely randomized de...

  • Article
  • Open Access
8 Citations
3,915 Views
18 Pages

Characterization of the Resistance to Powdery Mildew and Leaf Rust Carried by the Bread Wheat Cultivar Victo

  • Francesca Desiderio,
  • Salim Bourras,
  • Elisabetta Mazzucotelli,
  • Diego Rubiales,
  • Beat Keller,
  • Luigi Cattivelli and
  • Giampiero Valè

Leaf rust and powdery mildew are two important foliar diseases in wheat. A recombinant inbred line (RIL) population, obtained by crossing two bread wheat cultivars (‘Victo’ and ‘Spada’), was evaluated for resistance to the two pathogens at seedling s...

  • Article
  • Open Access
4 Citations
3,480 Views
13 Pages

Rapid Tryptophan Assay as a Screening Procedure for Quality Protein Maize

  • Gabi Drochioiu,
  • Elena Mihalcea,
  • Jeanclaude Lagobo and
  • Catalina-Ionica Ciobanu

12 September 2024

Tryptophan is an essential amino acid deficient in cereals, especially maize. However, maize (Zea mays L.) is the main source of protein in some developing countries in Africa and Latin America. In general, the nutritional profile of cereals is poor,...

  • Article
  • Open Access
14 Citations
4,708 Views
14 Pages

Relationship between Liver Stiffness and Steatosis in Obesity Conditions: In Vivo and In Vitro Studies

  • Francesca Baldini,
  • Mohamad Khalil,
  • Alice Bartolozzi,
  • Massimo Vassalli,
  • Agostino Di Ciaula,
  • Piero Portincasa and
  • Laura Vergani

Obesity is a major risk factor for metabolic dysfunction such as non-alcoholic fatty liver disease (NAFLD). The NAFLD spectrum ranges from simple steatosis, to steatohepatitis, fibrosis, and cirrhosis. The aim of this study is to characterize the gra...

  • Article
  • Open Access
5 Citations
3,193 Views
18 Pages

Biochemical and Molecular Basis of Chemically Induced Defense Activation in Maize against Banded Leaf and Sheath Blight Disease

  • Shah Mahmood Hamidi,
  • Shweta Meshram,
  • Aundy Kumar,
  • Archana Singh,
  • Rajbir Yadav and
  • Robin Gogoi

Maize is the third most vital global cereal, playing a key role in the world economy and plant genetics research. Despite its leadership in production, maize faces a severe threat from banded leaf and sheath blight, necessitating the urgent developme...

  • Article
  • Open Access
1,996 Views
16 Pages

Quantitative Trait Locus Mapping Combined with RNA Sequencing Identified Candidate Genes for Resistance to Powdery Mildew in Bitter Gourd (Momordica charantia L.)

  • Rukui Huang,
  • Jiazuo Liang,
  • Xixi Ju,
  • Yuhui Huang,
  • Xiongjuan Huang,
  • Xiaofeng Chen,
  • Xinglian Liu and
  • Chengcheng Feng

15 October 2024

Improving the powdery mildew resistance of bitter gourd is highly important for achieving high yield and high quality. To better understand the genetic basis of powdery mildew resistance in bitter gourd, this study analyzed 300 lines of recombinant i...

  • Article
  • Open Access
1 Citations
1,144 Views
16 Pages

Decadal Extreme Precipitation Anomalies and Associated Multiple Large-Scale Climate Driving Forces in the Three Gorges Reservoir Area, China

  • Yuefeng Wang,
  • Siwei Yin,
  • Zhongying Xiao,
  • Fan Liu,
  • Hanhan Wu,
  • Chaogui Lei,
  • Jie Huang and
  • Qin Yang

8 February 2025

Identifying the relationship between extreme precipitation (EP) and large-scale climate circulation is of great significance for extreme weather management and warning. Previous studies have effectively revealed the influence of single climate circul...

  • Abstract
  • Open Access
1 Citations
1,713 Views
2 Pages

Identification of Pathogens in Seedlings of Indian Sandalwood and Screening of Fungal Endophytes against the Plant Patho-Genic Fungi

  • Swetha Purushotham,
  • Sundararaj Ramachandran,
  • Kandan Aravindaram,
  • Kirana Mugaranja Puttanna and
  • Ananda Kulal

Indian sandalwood (Santalum album Linn.), an evergreen tree, indigenous to the Indian peninsula, is known for its fragrant heartwood worldwide. Sandalwood plantations are gaining importance throughout the Indian subcontinent, demanding large-scale pr...

  • Article
  • Open Access
20 Citations
6,481 Views
17 Pages

Local Climate Change and the Impacts on Hydrological Processes in an Arid Alpine Catchment in Karakoram

  • Jiao Liu,
  • Min Luo,
  • Tie Liu,
  • Anming Bao,
  • Philippe De Maeyer,
  • Xianwei Feng and
  • Xi Chen

12 May 2017

Climate change and the impacts on hydrological processes in Karakoram region are highly important to the available water resources in downstream oases. In this study, a modified quantile perturbation method (QPM), which was improved by considering th...

  • Article
  • Open Access
8 Citations
2,721 Views
17 Pages

Genetic Variation of Zinc and Iron Concentration in Normal, Provitamin A and Quality Protein Maize under Stress and Non-Stress Conditions

  • Nakai Goredema-Matongera,
  • Thokozile Ndhlela,
  • Angeline van Biljon,
  • Casper N. Kamutando,
  • Jill E. Cairns,
  • Frederic Baudron and
  • Maryke Labuschagne

6 January 2023

The negative impacts of zinc (Zn) and iron (Fe) deficiency due to over-reliance on monotonous cereal-based diets are well-documented. Increasing micronutrient densities in maize is currently among top breeders’ priorities. Here, 77 single-cross...

  • Article
  • Open Access
4 Citations
1,571 Views
29 Pages

Pattern Synthesis Design of Linear Array Antenna with Unequal Spacing Based on Improved Dandelion Optimization Algorithm

  • Jianhui Li,
  • Yan Liu,
  • Wanru Zhao,
  • Tianning Zhu,
  • Zhuo Chen,
  • Anyong Liu and
  • Yibo Wang

31 January 2025

With the rapid development of radio technology and its widespread application in the military field, the electromagnetic environment in which radar communication operates is becoming increasingly complex. Among them, human radio interference makes ra...