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Articles 58861 - 58890 of 256043

Full-Text Articles in Life Sciences

The Scoop On Composting: A Comprehensive Literature Review On Composting With A Focus On Grand Valley State University, Alexandria Snabes Dec 2021

The Scoop On Composting: A Comprehensive Literature Review On Composting With A Focus On Grand Valley State University, Alexandria Snabes

Honors Projects

This comprehensive review discusses the main microbial processes, methods, efficiency strategies, benefits, and drawbacks related to composting. Specifically, anaerobic, aerobic, and intermediate, or cold composting, decomposition processes are defined and assessed. This leads into a discussion of some common methods of composting, both large- and small-scale, which utilize these microbial processes to result in differing advantages and disadvantages. The efficiency of these methods can be increased using strategies that monitor oxygen levels, moisture levels, temperate levels, and overall size. Some benefits of composting discussed include diverting waste from landfills, improving soil nutrition and quality long-term, and increasing plant growth and …

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Inter-Subject Correlation While Listening To Minimalist Music: A Study Of Electrophysiological And Behavioral Responses To Steve Reich’S Piano Phase, Tysen Dauer, Duc T. Nguyen, Nick Gang, Jacek P. Dmochowski, Jonathan Berger, Blair Kaneshiro Dec 2021

Inter-Subject Correlation While Listening To Minimalist Music: A Study Of Electrophysiological And Behavioral Responses To Steve Reich’S Piano Phase, Tysen Dauer, Duc T. Nguyen, Nick Gang, Jacek P. Dmochowski, Jonathan Berger, Blair Kaneshiro

Publications and Research

Musical minimalism utilizes the temporal manipulation of restricted collections of rhythmic, melodic, and/or harmonic materials. One example, Steve Reich’s Piano Phase, offers listeners readily audible formal structure with unpredictable events at the local level. For example, pattern recurrences may generate strong expectations which are violated by small temporal and pitch deviations. A hyper-detailed listening strategy prompted by these minute deviations stands in contrast to the type of listening engagement typically cultivated around functional tonal Western music. Recent research has suggested that the inter-subject correlation (ISC) of electroencephalographic (EEG) responses to natural audio-visual stimuli objectively indexes a state of “engagement,” demonstrating …

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Sustainable Intensification For A Larger Global Rice Bowl, Shen Yuan, Bruce A. Linquist, Lloyd T. Wilson, Kenneth G. Cassman, Alexander M. Stuart, Valerien Pede, Berta Miro, Kazuki Saito, Nurwulan Agustiani, Vina Eka Aristya, Leonardus Y. Krisnadi, Alencar Junior Zanon, Alexandre Bryan Heinemann, Gonzalo Carracelas, Nataraja Subash, Pathula S. Brahmanand, Tao Li, Shaobing Peng, Patricio Grassini Dec 2021

Sustainable Intensification For A Larger Global Rice Bowl, Shen Yuan, Bruce A. Linquist, Lloyd T. Wilson, Kenneth G. Cassman, Alexander M. Stuart, Valerien Pede, Berta Miro, Kazuki Saito, Nurwulan Agustiani, Vina Eka Aristya, Leonardus Y. Krisnadi, Alencar Junior Zanon, Alexandre Bryan Heinemann, Gonzalo Carracelas, Nataraja Subash, Pathula S. Brahmanand, Tao Li, Shaobing Peng, Patricio Grassini

Department of Agronomy and Horticulture: Faculty Publications

Future rice systems must produce more grain while minimizing the negative environmental impacts. A key question is how to orient agricultural research & development (R&D) programs at national to global scales to maximize the return on investment. Here we assess yield gap and resource-use efficiency (including water, pesticides, nitrogen, labor, energy, and associated global warming potential) across 32 rice cropping systems covering half of global rice harvested area. We show that achieving high yields and high resource-use efficiencies are not conflicting goals. Most cropping systems have room for increasing yield, resource-use efficiency, or both. In aggregate, current total rice production …

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Cyanobacteria And Phytoplankton Responses To Nutrients In Deep-Water Montane Reservoirs, Madeleine Paige Malmfeldt Dec 2021

Cyanobacteria And Phytoplankton Responses To Nutrients In Deep-Water Montane Reservoirs, Madeleine Paige Malmfeldt

Theses and Dissertations

Mountains play an important role in providing water resources from snow and ice to downstream urban population centers. In Utah, USA, nearly 86% of the state's population resides in the rapidly growing urban corridor along the Wasatch Front. Water along the Wasatch Front is stored in several deep reservoirs in the Provo River Watershed. Additions of nutrients, into these reservoirs, may stimulate the growth of primary producers (e.g., total phytoplankton and cyanobacteria) potentially attenuating water quality. To determine the influence of nutrients on primary producers in the Provo River's reservoirs, identify whether cyanobacteria are transported downstream, and quantify nutrient thresholds …

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Evidence Of Myomir Regulation Of The Pentose Phosphate Pathway During Mechanical Load-Induced Hypertrophy, Taylor Valentino, Vandre C. Figueiredo, C. Brooks Mobley, John J. Mccarthy, Ivan J. Vechetti Jr. Dec 2021

Evidence Of Myomir Regulation Of The Pentose Phosphate Pathway During Mechanical Load-Induced Hypertrophy, Taylor Valentino, Vandre C. Figueiredo, C. Brooks Mobley, John J. Mccarthy, Ivan J. Vechetti Jr.

Physiology Faculty Publications

Many of the molecular and cellular mechanisms discovered to regulate skeletal muscle hypertrophy were first identified using the rodent synergist ablation model. This model reveals the intrinsic capability and necessary pathways of skeletal muscle growth in response to mechanical overload (MOV). Reminiscent of the rapid cellular growth observed with cancer, we hypothesized that in response to MOV, skeletal muscle would undergo metabolic programming to sustain increased demands to support hypertrophy. To test this hypothesis, we analyzed the gene expression of specific metabolic pathways taken from transcriptomic microarray data of a MOV time course. We found an upregulation of genes involved …

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Understanding Factors Influencing Seed Germination Of Seven Wildflowers In Sub-Alpine Ecosystems, Alyssa Joy Brown Dec 2021

Understanding Factors Influencing Seed Germination Of Seven Wildflowers In Sub-Alpine Ecosystems, Alyssa Joy Brown

Theses and Dissertations

This thesis explores the seed germination of seven wildflowers native to sub-alpine ecosystems. Wildflowers are an essential functional group in native plant ecosystems. Also known as forbs, these plants offer a myriad of benefits in addition to being aesthetically pleasing. They provide habitats for anthropods and small mammals, support native pollinator populations, and grow well with other plant functional groups (especially perennial grasses and shrubs). Healthy plant communities make use of the limited resources in our native ecosystems, competing with invasive species that can otherwise dominate the landscape. Germination involves the transition from seed to an actively growing plant. Following …

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An Assessment Of The Diverse Freshwater Turtle Fauna Of Mississippi, Lucas Haralson Dec 2021

An Assessment Of The Diverse Freshwater Turtle Fauna Of Mississippi, Lucas Haralson

Master's Theses

Nestled within the Southeastern United States Turtle Priority Area, Mississippi boasts impressive freshwater turtle diversity and is home to 8.6% of extant turtle species. Despite this impressive richness, few studies have assessed freshwater turtle assemblages in this hotspot of aquatic diversity. This research aimed to elucidate the distributions and abundances of freshwater turtle species through a statewide investigation of all major river drainages of the state. Using baited hoop nets (90 cm and 120 cm diameter), turtles were collected, identified to species and sex, and measured, before being released. Turtle assemblages were assessed in both lotic and lentic environments from …

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Modeling Nitrous Oxide Emissions From Large-Scale Intensive Cropping Systems In The Southern Amazon, Ciniro Costa Jr., Gillian L. Galford, Michael T. Coe, Marcia Macedo, Kathijo Jankowski, Christine S. O'Connell, Christopher Neill Dec 2021

Modeling Nitrous Oxide Emissions From Large-Scale Intensive Cropping Systems In The Southern Amazon, Ciniro Costa Jr., Gillian L. Galford, Michael T. Coe, Marcia Macedo, Kathijo Jankowski, Christine S. O'Connell, Christopher Neill

Biology, Chemistry, and Environmental Sciences Faculty Articles and Research

Nitrogen (N) fertilizer use is rapidly intensifying on tropical croplands and has the potential to increase emissions of the greenhouse gas, nitrous oxide (N2O). Since about 2005 Mato Grosso (MT), Brazil has shifted from single-cropped soybeans to double-cropping soybeans with maize, and now produces 1.5% of the world's maize. This production shift required an increase in N fertilization, but the effects on N2O emissions are poorly known. We calibrated the process-oriented biogeochemical DeNitrification-DeComposition (DNDC) model to simulate N2O emissions and crop production from soybean and soybean-maize cropping systems in MT. After model validation with …

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Pengaturan Suhu Inkubasi Dan Perlakuan Benih Dalam Upaya Meningkatkan Daya Tumbuh Benih Carica, Yugi Rahayu Ahadiyat, Pramesti Budi Arini Dec 2021

Pengaturan Suhu Inkubasi Dan Perlakuan Benih Dalam Upaya Meningkatkan Daya Tumbuh Benih Carica, Yugi Rahayu Ahadiyat, Pramesti Budi Arini

Jurnal Kultivasi

Buah carica merupakan jenis buah khas tropis namun memiliki kendala dalam produksi benihnya. Benih carica memiliki daya kecambah rendah disebabkan oleh adanya lapisan sarcotesta yang menjadi penghambat dalam proses perkecambahan. Penelitian ini bertujuan untuk mengetahui pengaruh penghilangan lapisan sarcotesta terhadap viabilitas benih carica dan menentukan suhu optimum untuk mematahkan dormansi benih dan mempertahankan viabilitas benih carica. Penelitian ini dilaksanakan menggunakan Rancangan Acak Kelompok yang terdiri daridua faktor, yaitu faktor penghilangan lapisan sarcotesta terdiri atas benih tanpa sarcotesta dan ber-sarcotesta, sertafaktor inkubasi suhu, yang terdiri atas inkubasi 15 ºC, 25 ºC, 35 ºC, dan 45 0C. Variabel yang diamati antara lain …

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Investigating The Influence Of Available Drinking Water On Wildlife In Utah's West Desert, Danielle K. Finlayson Dec 2021

Investigating The Influence Of Available Drinking Water On Wildlife In Utah's West Desert, Danielle K. Finlayson

Theses and Dissertations

The availability of water is a limiting resource for many wildlife species in arid and semi- arid environments. Free water is essential for critical life stages for numerous species, including migration, reproduction, survival, and habitat selection. Riparian areas in the desert occur relatively infrequently, but support a disproportionally large percentage of plant and wildlife species found in arid environments. Our study covered two aspects of water use in the west desert of Utah. The first was assessing the impacts of nonnative ungulates (specifically feral horses and cattle) on natural springs, and how they influenced water quality, vegetation, and wildlife diversity …

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Meta-Analyses Identify Dna Methylation Associated With Kidney Function And Damage, Roby Joehanes, Zhi Yu, Anselm Hoppmann, Franziska Grundner-Culemann, Josine L Min, Adebowale A Adeyemo, Charles Agyemang, Johan Ärnlöv, Nasir A Aziz, Andrea Baccarelli, Murielle Bochud, Hermann Brenner, Monique M B Breteler, Cristian Carmeli, Layal Chaker, John C Chambers, Shelley A Cole, Josef Coresh, Adolfo Correa, Simon R Cox, Niek De Klein, Graciela E Delgado, Arce Domingo-Relloso, Kai-Uwe Eckardt, Arif B Ekici, Karlhans Endlich, Kathryn L Evans, James S Floyd, Myriam Fornage, Lude Franke, Eliza Fraszczyk, Xu Gao, Xīn Gào, Mohsen Ghanbari, Sahar Ghasemi, Christian Gieger, Philip Greenland, Megan L Grove, Sarah E Harris, Gibran Hemani, Peter Henneman, Christian Herder, Steve Horvath, Lifang Hou, Mikko A Hurme, Shih-Jen Hwang, Marjo-Riitta Jarvelin, Sharon L R Kardia, Silva Kasela, Marcus E Kleber, Wolfgang Koenig, Jaspal S Kooner, Holly Kramer, Florian Kronenberg, Brigitte Kühnel, Terho Lehtimäki, Lars Lind, Dan Liu, Yongmei Liu, Donald M Lloyd-Jones, Kurt Lohman, Stefan Lorkowski, Ake T Lu, Riccardo E Marioni, Winfried März, Daniel L Mccartney, Karlijn A C Meeks, Lili Milani, Pashupati P Mishra, Matthias Nauck, Ana Navas-Acien, Christoph Nowak, Annette Peters, Holger Prokisch, Bruce M Psaty, Olli T Raitakari, Scott M Ratliff, Alex P Reiner, Sylvia E Rosas, Ben Schöttker, Joel Schwartz, Sanaz Sedaghat, Jennifer A Smith, Nona Sotoodehnia, Hannah R Stocker, Silvia Stringhini, Johan Sundström, Brenton R Swenson, Maria Tellez-Plaza, Joyce B J Van Meurs, Jana V Van Vliet-Ostaptchouk, Andrea Venema, Niek Verweij, Rosie M Walker, Matthias Wielscher, Juliane Winkelmann, Bruce H R Wolffenbuttel, Wei Zhao, Yinan Zheng, Marie Loh, Harold Snieder, Daniel Levy, Melanie Waldenberger, Katalin Susztak, Anna Köttgen, Alexander Teumer Dec 2021

Meta-Analyses Identify Dna Methylation Associated With Kidney Function And Damage, Roby Joehanes, Zhi Yu, Anselm Hoppmann, Franziska Grundner-Culemann, Josine L Min, Adebowale A Adeyemo, Charles Agyemang, Johan Ärnlöv, Nasir A Aziz, Andrea Baccarelli, Murielle Bochud, Hermann Brenner, Monique M B Breteler, Cristian Carmeli, Layal Chaker, John C Chambers, Shelley A Cole, Josef Coresh, Adolfo Correa, Simon R Cox, Niek De Klein, Graciela E Delgado, Arce Domingo-Relloso, Kai-Uwe Eckardt, Arif B Ekici, Karlhans Endlich, Kathryn L Evans, James S Floyd, Myriam Fornage, Lude Franke, Eliza Fraszczyk, Xu Gao, Xīn Gào, Mohsen Ghanbari, Sahar Ghasemi, Christian Gieger, Philip Greenland, Megan L Grove, Sarah E Harris, Gibran Hemani, Peter Henneman, Christian Herder, Steve Horvath, Lifang Hou, Mikko A Hurme, Shih-Jen Hwang, Marjo-Riitta Jarvelin, Sharon L R Kardia, Silva Kasela, Marcus E Kleber, Wolfgang Koenig, Jaspal S Kooner, Holly Kramer, Florian Kronenberg, Brigitte Kühnel, Terho Lehtimäki, Lars Lind, Dan Liu, Yongmei Liu, Donald M Lloyd-Jones, Kurt Lohman, Stefan Lorkowski, Ake T Lu, Riccardo E Marioni, Winfried März, Daniel L Mccartney, Karlijn A C Meeks, Lili Milani, Pashupati P Mishra, Matthias Nauck, Ana Navas-Acien, Christoph Nowak, Annette Peters, Holger Prokisch, Bruce M Psaty, Olli T Raitakari, Scott M Ratliff, Alex P Reiner, Sylvia E Rosas, Ben Schöttker, Joel Schwartz, Sanaz Sedaghat, Jennifer A Smith, Nona Sotoodehnia, Hannah R Stocker, Silvia Stringhini, Johan Sundström, Brenton R Swenson, Maria Tellez-Plaza, Joyce B J Van Meurs, Jana V Van Vliet-Ostaptchouk, Andrea Venema, Niek Verweij, Rosie M Walker, Matthias Wielscher, Juliane Winkelmann, Bruce H R Wolffenbuttel, Wei Zhao, Yinan Zheng, Marie Loh, Harold Snieder, Daniel Levy, Melanie Waldenberger, Katalin Susztak, Anna Köttgen, Alexander Teumer

Faculty, Staff and Student Publications

Chronic kidney disease is a major public health burden. Elevated urinary albumin-to-creatinine ratio is a measure of kidney damage, and used to diagnose and stage chronic kidney disease. to extend the knowledge on regulatory mechanisms related to kidney function and disease, we conducted a blood-based epigenome-wide association study for estimated glomerular filtration rate (n = 33,605) and urinary albumin-to-creatinine ratio (n = 15,068) and detected 69 and seven CpG sites where DNA methylation was associated with the respective trait. The majority of these findings showed directionally consistent associations with the respective clinical outcomes chronic kidney disease and moderately increased albuminuria. …

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Pengaruh Bahan Organik Terhadap Kesuburan Tanah Serta Pertumbuhan Dan Fisiologi Tanaman Kakao Muda Hasil Transplanting Di Tanah Inceptisol, Santi Rosniawaty, Rija Sudirja, Mira Ariyanti, Syariful Mubarok, Agus Wahyudin Dec 2021

Pengaruh Bahan Organik Terhadap Kesuburan Tanah Serta Pertumbuhan Dan Fisiologi Tanaman Kakao Muda Hasil Transplanting Di Tanah Inceptisol, Santi Rosniawaty, Rija Sudirja, Mira Ariyanti, Syariful Mubarok, Agus Wahyudin

Jurnal Kultivasi

Penanaman bibit kakao pada tanah inceptisol memiliki beberapa kendala, salah satunya adalah bahan organik rendah. Peningkatan pertumbuhan tanaman kakao pada awal tanam dapat dilakukan dengan pemberian bahan organik. Saat ini terdapat bahan organik berbentuk cair, namun pengaruhnya terhadap kakao belum menghasilkan belum diketahui, karena pada umumnya bahan organik yang digunakan pada tanaman kakao berbentuk padat. Tujuan penelitian ini untuk melihat pengaruh bahan organik berbeda (asam humat dan pupuk kotoran sapi) terhadap kesuburan tanah, pertumbuhan, dan fisiologi tanaman kakao belum menghasilkan. Percobaan dilakukan pada bulan Januari sampai Desember 2017 di kebun percobaan Fakultas Pertanian, Universitas Padjadjaran, Jatinangor. Rancangan percobaan yang digunakan …

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Evaluasi Kualitas Nutrisi Microgreen Bayam Merah Dan Hijau Menggunakan Cahaya Buatan, Aida Fadlilah Rahmani, Syariful Mubarok, Mochamad Arief Soleh, Boy Macklin Pareira Prawiranegara Dec 2021

Evaluasi Kualitas Nutrisi Microgreen Bayam Merah Dan Hijau Menggunakan Cahaya Buatan, Aida Fadlilah Rahmani, Syariful Mubarok, Mochamad Arief Soleh, Boy Macklin Pareira Prawiranegara

Jurnal Kultivasi

Permasalahan yang muncul untuk mengusahakan pertanian perkotaan adalah semakin sulitnya menemukan lahan pertanian yang dimiliki masyarakat dan kesempatan waktu yang minim untuk budidaya tanaman. Permasalahan tersebut dapat diatasi salah satunya dengan menggunakan sistem hidroponik ditambah pencahayaan buatan untuk kebutuhan pertumbuhan tanaman. Penanaman microgreen dalam ruangan merupakan salah satu cara untuk memudahkan masyarakat dalam berbudidaya tanaman. Percobaan ini bertujuan untuk mempelajari jenis warna cahaya buatan terhadap kualitas nutrisi microgreen bayam merah dan bayam hijau. Penelitian dilaksanakan di Laboratorium Analisis Tanaman dan Pasca Panen Hortikultura, Fakultas Pertanian, Universitas Padjadjaran. Rancangan percobaan yang digunakan yaitu Rancangan Acak Kelompok dengan dua faktor perlakuan, yaitu …

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Periode Inkubasi, Tingkat Keparahan, Dan Ketahanan Sepuluh Genotipe Padi Harapan Terhadap Penyakit Hawar Daun Bakteri Strain Iii, Iv, Dan Viii, Nono Carsono, Anggita Dewi, Noladhi Wicaksana, Santika Sari Dec 2021

Periode Inkubasi, Tingkat Keparahan, Dan Ketahanan Sepuluh Genotipe Padi Harapan Terhadap Penyakit Hawar Daun Bakteri Strain Iii, Iv, Dan Viii, Nono Carsono, Anggita Dewi, Noladhi Wicaksana, Santika Sari

Jurnal Kultivasi

Genotipe padi harapan dari UNPAD memiliki keunggulan pada daya hasil, tahan terhadap wereng coklat, memiliki amilosa sedang, aromatik dan kualitas bulir yang sangat baik. Pengujian ketahanan genotipe padi harapan yang berasal dari hasil seleksi molekuler dan fenotipik terhadap penyakit hawar daun bakteri (HDB) sangatlah dibutuhkan, karena ketahanan terhadap penyakit ini merupakan salah satu syarat pelepasan varietas padi di Indonesia. Penyakit HDB disebabkan oleh bakteri Xanthomonas oryzae pv. oryzae (Xoo) merupakan penyakit penting yang sering menyerang tanaman padi. Tujuan dari penelitian ini adalah untuk memperoleh informasi potensi genotipe-genotipe padi yang tahan terhadap penyakit HDB yang disebabkan oleh Xoo strain III, IV, …

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Aquaporin Expression And Cholesterol Content In Eel Swimbladder Tissue, Victoria Drechsel, Gabriel Schneebauer, Birgit Fiechtner, Christopher P. Cutler, Bernd Pelster Dec 2021

Aquaporin Expression And Cholesterol Content In Eel Swimbladder Tissue, Victoria Drechsel, Gabriel Schneebauer, Birgit Fiechtner, Christopher P. Cutler, Bernd Pelster

Biology: Faculty Publications

Leakiness of the swimbladder wall of teleost fishes must be prevented to avoid diffusional loss of gases out of the swimbladder. Guanine incrustation as well as high concentrations of cholesterol in swimbladder membranes in midwater and deep-sea fish has been connected to a reduced gas permeability of the swimbladder wall. On the contrary, the swimbladder is filled by diffusion of gases, mainly oxygen and CO2, from the blood and the gas gland cells into the swimbladder lumen. In swimbladder tissue of the zebrafish and the Japanese eel, aquaporin mRNA has been detected, and the aquaporin protein has been considered important …

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Spatiotemporal Variation Of An Eastern Tropical Pacific Pelagic Community Assessed With Free-Drifting Bruvs, Tyler Stephen Plum Dec 2021

Spatiotemporal Variation Of An Eastern Tropical Pacific Pelagic Community Assessed With Free-Drifting Bruvs, Tyler Stephen Plum

All HCAS Student Capstones, Theses, and Dissertations

Information about pelagic community diversity and ecology generally lags far behind that of coastal communities, and largely derives from fisheries data that do not reflect small and non-target species. We describe spatiotemporal vertebrate species diversity and variability over a 3,486 km2 area of highly productive pelagic marine ecosystem in Pacific Panama using drifting baited remote underwater video stations (BRUVS), a non-invasive fishery-independent sampling technique. We observed 26 taxa from 17 families, including 1 mammal, 3 reptile, 5 elasmobranch, and 17 teleost species. Community assemblages differed on and off the continental shelf and between wet (April – December) and dry …

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Element Contamination In Port Everglades – Preparing For Ecological Impacts, Laura White Dec 2021

Element Contamination In Port Everglades – Preparing For Ecological Impacts, Laura White

All HCAS Student Capstones, Theses, and Dissertations

Port dredging is of economic importance worldwide but its impacts to the marine environment through the remobilization of elemental contaminants are not well understood. A massive deepening and widening of Port Everglades, Florida, will begin in 2023. Contaminated sediment disturbed during the dredging process could be released and prove to be harmful to three coral reef tracks located beginning 1.5 miles away from the port. This study focused on identifying and quantifying 14 different trace elements: arsenic (As), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), mercury (Hg), lead (Pb), manganese (Mn), molybdenum (Mo), nickel (Ni), selenium (Se), tin (Sn), …

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School Of Culinary Arts & Food Technology – Winter Newsletter 2021, James Murphy Dec 2021

School Of Culinary Arts & Food Technology – Winter Newsletter 2021, James Murphy

Other resources

The School of Culinary Arts and Food Technology, TU Dublin, Winter Newsletter captured the many events, research, awards, significant contributions, special civic, community and sustainability activities which the students and staff members of the school have successfully completed up to the Winter period of 2021. The successful completion of these activities would not be possible without the active and on-going support of the 'INSPIRED' friends of Culinary Arts (school supporters) and our school's industry association supporters. We thank you all, consider getting involved in our New Campus (Central Quad, Grangegorman, Dublin 7). Take care and stay safe !!

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Spring Regrowth And Steer Performance On Tifton 85 And Coastal Bermudagrass Pastures Following Sod-Seeding With Ryegrass, G. M. Hill, R. N. Gates Dec 2021

Spring Regrowth And Steer Performance On Tifton 85 And Coastal Bermudagrass Pastures Following Sod-Seeding With Ryegrass, G. M. Hill, R. N. Gates

IGC Proceedings (1977-2023)

Effects of autumn sod-seeded ryegrass (Lolium multiflorum; cv. Passerel; 37.7 kg/ha) in bermudagrass pastures (Cynodon spp.; cv. Coastal and cv. Tifton 85) on grazing steer performance were determined. Ryegrass was sod-seeded in three of six .81 ha pastures of each bermudagrass. Forage height was adjusted to10 cm during spring. Stocking rates were unaffected by ryegrass in Tifton 85 pastures, but they were higher (P < .05) for Tifton 85 than Coastal. Ryegrass increased tester steer average daily gains by 34% (.86 vs .64 kg/day; P < .01), and gain/ha by 26% (387 vs 306 kg/ha; P < .05). Higher stocking rates resulted in 22% more grazing days (515 vs 421 days/ha; P < .01), and 30% higher gain/ha (391 vs 301 kg/ha; P < .05) for Tifton 85 than Coastal pastures. Ryegrass did not affect stocking rates or steer performance on Tifton 85, but it depressed both on Coastal pastures.

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Intensive Grazing Systems For Beef Cattle Production, F. P. Fontenot, V. G. Allen, M. A. Cochran, N. B. Frank Dec 2021

Intensive Grazing Systems For Beef Cattle Production, F. P. Fontenot, V. G. Allen, M. A. Cochran, N. B. Frank

IGC Proceedings (1977-2023)

The objective of this study was to compare grazing systems that used rotational and continuous stocking for beef cows-calves and stocker cattle grazing fescue (Festuca arundinacea) and clover (Trifolium repens). For each system seven cows/calves and seven stocker steers were used within each of two replicates. The cows and stockers grazed stockpiled forage and were fed hay in winter, and grazed growing forage during spring and summer. Cows in the rotational system gained at a faster rate (P< . 05) from October to April than those in the continuous system. Daily gains of calves were higher (P< . 05) for the continuous system. Rate of gain during the last 28 days was higher (P< . 05) for the stockers in the rotational system. Average hay yields were not different for the two stocking systems, but more (P< . 05) hay was fed to the cattle in the continuous system. The system that used continuous stocking was more easily managed and required less labor and facilities.

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Reproductive Biology Of Arabian Pandora, Pagellus Affinis (Boulenger, 1888) From Hadhramout Coast, Gulf Of Aden, Mohammed Abdullah Al-Dohail, Sabri Mohammed Lagerb, Kamal Ahmed Baaoom Dec 2021

Reproductive Biology Of Arabian Pandora, Pagellus Affinis (Boulenger, 1888) From Hadhramout Coast, Gulf Of Aden, Mohammed Abdullah Al-Dohail, Sabri Mohammed Lagerb, Kamal Ahmed Baaoom

Hadhramout University Journal of Natural & Applied Sciences

Two hundreds and fifty eight fish of P. affinis samples were randomly collected from Hadhramout coast, Gulf of Aden during period of March 2012 until April 2013. Generally, the best growth performance of P. affinis was occurred from May to September related to available nourishment, upwelled bottom nutrient. Length-weight relationship was 2.83 appeared the isometric growth during whole year. Sex ratio was revealed 1:1, males to females in whole year. The gonado somatic index values were above 3%, showing that spawning could be placed in June to September in a year at length 20.2 cm to 22.8 cm, with a …

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Surface Architecture Of The Mouth Cavity Of Pagellus Affinis (Boulenger, 1888), Kamal Ahmed Baaoom, Manal Haj Obbed Dec 2021

Surface Architecture Of The Mouth Cavity Of Pagellus Affinis (Boulenger, 1888), Kamal Ahmed Baaoom, Manal Haj Obbed

Hadhramout University Journal of Natural & Applied Sciences

The topological characteristics of the mouth cavity of the carnivorous fish Pagellus affinis was studied by using a light microscope. The results revealed that all the teeth of P. affinis are pointed and canine-like, papilliform teeth present on the premaxillae and the anterior regions of the dentaries are associated with seizing, grasping and holding of prey. The morphology and distribution of different taste buds of P. affinis were predominantly localized at the anterior and tongue regions of the mouth cavity. Two types of taste buds are elevated from the epithelium at different levels, which may be useful for ensuring full …

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Field Study To Identify The Composition Of Plant Vegetation In Wadi Al- Ain - Hadramout – Yemen, Murad Mohammed Kanji, Mohammed Saeed Bn Qadim, Alawiya Abdullah Al Awad, Abdulkarim Saber Ali Dec 2021

Field Study To Identify The Composition Of Plant Vegetation In Wadi Al- Ain - Hadramout – Yemen, Murad Mohammed Kanji, Mohammed Saeed Bn Qadim, Alawiya Abdullah Al Awad, Abdulkarim Saber Ali

Hadhramout University Journal of Natural & Applied Sciences

This study was conducted during the period of April 2016 - December 2017 to determine the plant vegetation of Wadi Al-Ain. The results of the field survey identified a total of 86 plant species 37 families and 77 genera, including 58 wild plant species grown naturally. The total number of cultivated plants was 26 plant species, but only two plant species are grown as both wild and cultivated species. The number of plant species that appeared as an ecological form of shrubs reached 34 plant species, while the number of plant species that appeared ecologically in the form of herbs …

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The Effect Of Flaveria Trinervia Plant Extract On Germination And Growth Of Onion Seeds (Allium Cepa L), Mahrous Abdullah Bahoirth, Yaser Saeed Bahurmuz Dec 2021

The Effect Of Flaveria Trinervia Plant Extract On Germination And Growth Of Onion Seeds (Allium Cepa L), Mahrous Abdullah Bahoirth, Yaser Saeed Bahurmuz

Hadhramout University Journal of Natural & Applied Sciences

This part of the study applied in the laboratory experiment to know the effect of water extracts of the vegetation and rootlet of the Flaveria trinervia in the four levels (0,10,20,30%) on germination and growth onion seeds. These crop was added 10 seeds in a petri dish, and 5 mL of the extract was added, with four replicates per treatment. After two weeks, the measurements were taken on the studied traits (germination ratio, speed, length of the plumule, the rootlet, the soft and dry weight of the plumule and the rootlet). The results showed that the effect of the rootlet …

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Survey On Red Palm Weevil (Rhynchophorus Ferrugineusolivier, Coleoptera, Curculionidae)On Date Palm In Some Infected Areas In Wadi Hadhramout, Mohamed Othman Al-Amodi, Ahmed Mbruk Baekabah, Saleh Ryes Alsaqir, Mohamed Mbruk Easukul, Saleh Salem Dahlus Dec 2021

Survey On Red Palm Weevil (Rhynchophorus Ferrugineusolivier, Coleoptera, Curculionidae)On Date Palm In Some Infected Areas In Wadi Hadhramout, Mohamed Othman Al-Amodi, Ahmed Mbruk Baekabah, Saleh Ryes Alsaqir, Mohamed Mbruk Easukul, Saleh Salem Dahlus

Hadhramout University Journal of Natural & Applied Sciences

A Comprehensive survey study of Red palm weevil (Rhynchophorus ferrugineus) (RPW) was conducted during the year 2017 in seven villages of Seiyun, Shibam and Al-Qateen Districts in Wadi Hadhramout. A 4477 palmswere surveyed of these trees 322 palms (4.27%) were found infested by Red palmweevil. The results showed a level of old infestation between 25 – 34% and a level of new infestation between 31 – 37%. The pest incidence was also differenced according to date varieties different among date varieties different. Eighteen investigated date palm varieties showed different response towards infestation by RPW. Sabiahsafra and Khalas were highly affected …

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Rehabilitation Of Rangeland And The Possibility Of Productivity Improvement In Wadi Al-Khun (Hadhramout), Ahmed Salem Bataher Dec 2021

Rehabilitation Of Rangeland And The Possibility Of Productivity Improvement In Wadi Al-Khun (Hadhramout), Ahmed Salem Bataher

Hadhramout University Journal of Natural & Applied Sciences

One hectare of the area in Wadi Al-khun has been fenced and plant inventory in the fenced area (Enclosure) was conducted. The enumerations in the fenced area are showed increase in numbers of perennial species such as Merremia hadramautica, Tephrosia nubica and Acacia tortilis while annual or seasonal species as Cenchrus ciliaris, Stipagrostes hirtigluma, Tribulus sp, Dichanthium insculptum .etc, were decreased or disappeared after a few months of the rainy season. Natural regeneration of perennial range species have been increased in their density in particular Merremia hadramautica, Tephrosia nubica. The dry matter of fodder production was 408 kg /ha and …

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The Effect Of Concentration Of Mannitol Solution On The Germination And Growth Of Three Cultivars Of Sorghum Bicolor L, Ghassan Abdulwahid Obad, Mahroos Abedalla Bahwirth Dec 2021

The Effect Of Concentration Of Mannitol Solution On The Germination And Growth Of Three Cultivars Of Sorghum Bicolor L, Ghassan Abdulwahid Obad, Mahroos Abedalla Bahwirth

Hadhramout University Journal of Natural & Applied Sciences

A laboratory experiment was conducted in the Department of Biology, Faculty of Education (Saber) – Aden University, to evaluate the effect of Five different concentrations of mannitol solution (i,e., control, 0.5%, 1.0%, 1.5% and 2.0%) on germination and growth of three cultivars of Sorghum bicolor L. i.e., "HAIQ", "BAINI" and "SAIF". The results showed significant differences between the three cultivars for all studied parameters except for the root dry weight mg./seedling. The cultivar "HAIQ" was the most tolerant one, then the cultivar "SAIF", whereas the cultivar "BAINI" was the least tolerant one (95%, 92.1% and 89.4%, respectively). The cultivar "HAIQ" …

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A Survey Of Weeds Present In Al- Qatten Diroctorate Farms Hadhramout Governorate, Yaser Saeed Bahurmuz, Ahmed Subait Bamosa, Abdulgader Ali Hassan Dec 2021

A Survey Of Weeds Present In Al- Qatten Diroctorate Farms Hadhramout Governorate, Yaser Saeed Bahurmuz, Ahmed Subait Bamosa, Abdulgader Ali Hassan

Hadhramout University Journal of Natural & Applied Sciences

An exclusive study of weeds present in Alqatten Directorate farms, was carried out this study aimed to identify types and number of weeds in the farms. The study area included (20) Farms in five different regions. 39 plant species belonging to 20 plant Family have been identified. Grassy famil was the most present with 7 species. the most wide spread grass was, Cynodon dactylon and Setaria verticillata; as they were found in all studied farms. While Withania somnifera and Rhazya stricta, were less prevalent, as they were present in two farms only.The study reveals that there is defference in the …

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Hyperseed: An End-To-End Method To Process Hyperspectral Images Of Seeds, Tian Gao, Anil Kumar Nalini Chandran, Puneet Paul, Harkamal Walia, Hongfeng Yu Dec 2021

Hyperseed: An End-To-End Method To Process Hyperspectral Images Of Seeds, Tian Gao, Anil Kumar Nalini Chandran, Puneet Paul, Harkamal Walia, Hongfeng Yu

School of Computing: Faculty Publications

High-throughput, nondestructive, and precise measurement of seeds is critical for the evaluation of seed quality and the improvement of agricultural productions. To this end, we have developed a novel end-to-end platform named HyperSeed to provide hyperspectral information for seeds. As a test case, the hyperspectral images of rice seeds are obtained from a high-performance line-scan image spectrograph covering the spectral range from 600 to 1700 nm. The acquired images are processed via a graphical user interface (GUI)-based open-source software for background removal and seed segmentation. The output is generated in the form of a hyperspectral cube and curve for each …

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Enhancing Therapeutic Approaches For Melanoma Patients Targeting Epigenetic Modifiers., Maria Gracia-Hernandez, Zuleima Munoz, Alejandro Villagra Dec 2021

Enhancing Therapeutic Approaches For Melanoma Patients Targeting Epigenetic Modifiers., Maria Gracia-Hernandez, Zuleima Munoz, Alejandro Villagra

Biochemistry and Molecular Medicine Faculty Publications

Melanoma is the least common but deadliest type of skin cancer. Melanomagenesis is driven by a series of mutations and epigenetic alterations in oncogenes and tumor suppressor genes that allow melanomas to grow, evolve, and metastasize. Epigenetic alterations can also lead to immune evasion and development of resistance to therapies. Although the standard of care for melanoma patients includes surgery, targeted therapies, and immune checkpoint blockade, other therapeutic approaches like radiation therapy, chemotherapy, and immune cell-based therapies are used for patients with advanced disease or unresponsive to the conventional first-line therapies. Targeted therapies such as the use of BRAF and …

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