bluuebunny/crossref_metadata_2025 huggingface dataset:
STRATEGI PENGEMBANGAN PRODUKSI KENCUR
Authors: Marlina Alin , Isyanto Agus Yuniawan , Kurniawati Tiktiek
Published: October 2023

Penelitian ini bertujuan untuk mengetahui : (1) Kekuatan, kelemahan, peluang dan ancaman dalam pengembangan produksi kencur pada Kelompok tani “Budaya Bakti” di Desa Werasari Kecamatan Sadananya Kabupaten Ciamis, (2) Bagaimana alternatif strategi yang dapat dalam Pengembangan Produksi Kencur pada Kelompok tani “Budaya Bakti” di Desa Werasari Kecamatan Sadananya Kabupaten Ciamis. Jenis penelitian yang digunakan dalam penelitian ini adalah metode studi kasus, dengan mengambil kasus pada Kelompok Tani Budaya Bakti di Desa Werasari Kecamatan Sukadana Kabupaten Ciamis. Hasil penelitian menunjukkan, (1) Faktor internal dan eksternal : (a) Faktor-faktor yang menjadi kekuatan dalam pengembangan produksi kencur yaitu ketersediaan lahan masih luas, ketersediaan cukup tenaga, pengalaman usahatani kencur, adanya kelembagaan (kelompok tani), kepemilikan lahan, (b) Faktor-faktor yang menjadi kelemahan kencur yaitu keterbatasan modal, produksi kencur masih rendah, kualitas kencur masih rendah, kemampuan manajemen rendah, adopsi teknologi rendah, (c) Faktor-faktor yang menjadi peluang dalam pengembangan kencur yaitu permintaan pasar, dukungan kebijakan pemerintah, berkembangnya produksi makanan rasa kencur, harga stabil, penjualan secara online, (d) Faktor-faktor yang menjadi ancaman dalam kencur yaitu serangan hama dan penyakit, dipengaruhi cuaca dan iklim, meningkatnya produksi kencur diluar wilayah Kecamatan Sadananya, minimnya pola kemitraan, harga di tetapkan pembeli. (2) Alternatif strategi yang dapat diterapkan dalam pengembangan kencur yaitu strategi S-O yaitu: Memanfaatkan kebijakan pemerintah, Memanfaatkan lahan yang luas, strategi S-O yaitu: akses permodalan melalui bantuan modal, berkembangnya berbagai produk, strategi S-T yaitu: Petani memiliki pengalaman usahatani, keberadaan kelompok, strategi W-T yaitu: menjalin kerjasama dengan lembaga, meningkatkan kemampuan manajemen usahatani kencur
ANALISIS BIAYA, PENDAPATAN DAN R/C PADA AGROINDUSTRI EMPLOD (Studi Kasus pada Agroindustri Laksana di Desa Manggungjaya Kecamatan Rajapolah Kabupaten Tasikmalaya
Authors: Nurhalisa Deiswika , Noor Trisna Insan , Aziz Saepul
Published: October 2023

Agroindustri Laksana merupakan industri pengolah ubi kayu menjadi Emplod. Penelitian ini dilaksanakan dengan tujuan untuk mengetahui : 1. Biaya, pendapatan dan penerimaan pada Agroindustri Emplod Laksana dalam satu kali proses produksi, dan 2. besarnya R/C pada Agroindustri Emplod Laksana dalam satu kali proses produksi. Jenis penelitian yang digunakan dalam penelitian ini adalah studi kasus. Data yang dikumpulkan meliputi data primer dan data sekunder. Teknik pengumpulan data dilakukan dengan wawancara, pencatatan dan dokumentasi. Teknik penarikan sampel dilakukan dengan metode purposive sampling. Hasil penelitian menunjukkan bahwa : (1) Besarnya biaya rata-rata yang dikeluarkan  dalam satu kali proses produksi sebesar Rp 870.951,92 besarnya penerimaan rata rata yang diperoleh sebesar Rp 1.350.000 dan besarnya pendapatan rata rata Rp 479.048,08. (2) Besarnya R/C dalam satu kali proses produksi adalah sebesar 1,55. Dengan demikian usaha Agroindustri Emplod menguntungkan dan layak untuk dilanjutkan. Kata Kunci : Agroindustri, Biaya , Pendapatan, R/C, Emplod.  Agroindustry Laksana is an industry that processes cassava into Emplod. This research was carried out with the aim of knowing: 1. Costs, revenues and revenues in the Emplod Laksana Agroindustry in one production process, and 2. the amount of R/C in the Emplod Laksana Agroindustry in one production process. The type of research used in this research is a case study. The data collected includes primary data and secondary data. Data collection techniques were carried out by interviews, recording and documentation. The sampling technique was carried out by purposive sampling method. The results of the study show that: (1) The average cost incurred in one production process is Rp 870.951,92. the average amount of revenue obtained is Rp 1,350,000 and the average income is Rp 479.048,08. (2) The amount of R/C in one production process is 1,55. Thus, the emplod agro-industry business is profitable and feasible to continue.  Keywords: Agroindustry, Cost, Income, R/C, Emplod.
TATA NIAGA JAGUNG DI DESA WAY HELING KECAMATAN LENGKITI KABUPATEN OGAN KOMERING ULU
Authors: Renaldi Renaldi , Lastinawati Endang , Septianita Septianita
Published: October 2023

Penelitian ini memiliki arahan untuk menganalisis Menganalisis keragaan saluran pemasaran jagung yang ada di Desa Way Heling Kecamatan Lengkiti Kabupaten Ogan Komering Ulu Menganalisis efisiensi pemasaran pada masing-masing saluran pemasaran di Desa Way Heling Kecamatan Lengkiti Kabupaten Ogan Komering Ulu.  Data diperoleh dengan cara menyebarkan kuesioner.  Hasil penelitian ini menunjukkan Saluran pemasaran didaerah penelitian terdiri dari tiga saluran pemasaran, saluran pemasaran yang pertama dari petani ke konsumen. Saluran pemasaran kedua dari petani ke pedagang pengumpul lalu ke konsumen. Dan yang ketiga dari petani ke pedagang pengumpul ke pedagang pengecer lalu ke konsumen, efisiensi pemasaran pada saluran tataniaga I sebesar 0 %, saluran tataniaga II sebesar 24,74 < 50%, dan pada pemasaran ke III sebesar 28,92 < 50%. Saluran pemasaran yang paling efisien adalah saluran pemasaran I. Efisiensi pemasaran pada ketiga saluran sebesar 0% - 50% artinya efisien.
ANALISIS KELAYAKAN AGROINDUSTRI GULA MERAH DI DESA LANGENSARI KECAMATAN LANGENSARI KOTA BANJAR
Authors: Marlina Euis Dwi , Setiawan Iwan , Sudrajat Sudrajat
Published: October 2023

Pada umumnya Agroindutri gula merah yang dilaksanakan para perajin di Desa Langensari sudah merasakan keuntungan dari usaha yang dijalankannya namun demikian mereka belum mengetahui secara pasti berapa besarnya biaya, penerimaan, pendapatan dan R/C dari usaha yang dijalankannya, oleh karena itu diperlukan analisis kelayakan agroindustri gula merah. Penelitian ini bertujuan untuk mengetahui besarnya pendapatan dan kelayakan agroindustri gula merah. Penelitian didesain secara kuantitatif dengan menggunakan metode survei yang dilakukan di Desa Langensari Kecamatan Langensari Kota Banjar. Data primer diperoleh dari 11 responden yang ditentukan dengan mengunakan teknik sampling jenuh atau sensus, sedangkan data sekunder diperoleh dari instansi terkait melalui studi literatur. Berdasarkan hasil penelitian diketahui bahwa rata-rata biaya total agroindutri gula merah sebesar               Rp 56.111,70 dalam satu kali proses produksi produksi, rata-rata penerimaan sebesar           Rp 117.109,07 dalam satu kali proses produksi dan pendapatan sebesar Rp 60.997,37 dalam satu kali proses produksi. Dengan nilai R/C sebesar 2,09, agroindustri gula merah masih terkategori layak untuk dilanjutkan.
ANALISIS EFEKTIVITAS PROGRAM KARTU TANI (Suatu Kasus Di Desa Karangjaya Kecamatan Karangjaya Kabupaten Tasikmalaya)
Authors: Grestiana Gian , Setiawan Iwan , Sudrajat Sudrajat
Published: October 2023

Penelitian ini bertujuan untuk: (1) Mendeskripsikan tingkat pengetahuan petani terhadap program kartu tani; (2) Menganalisis efektivitas penerapan program kartu tani; dan (3) Menganalisis hubungan tingkat pengetahuan petani dengan efektivitas program kartu tani. Penelitian yang dilaksanakan di Desa Karangjaya Keamatan Karangjaya Kabupaten Tasikmalaya ini didesain secara kuantitatif dengan menggunakan metode survey. Sebanyak 40 petani responden dipilih secara acak dari 407 populasi petani dengan menggunakan rumus Slovin. Hasil penelitian mengungkap bahwa mayoritas petani mengikuti dan mendukung program kartu tani, karena memudahkan dalam menebus pupuk bersubsidi. Program kartu tani dilaksanakan petani melalui kelompok tani mengikuti arahan penyuluh dari mulai pengusulan, penerbitan sampai penebusan pupuk bersubsidi. Pelaksanaan program kartu tani berjalan efektif sehingga perlu disebarluaskan. Hasil analisis data pada Tabel 13 menunjukkan bahwa nilai koefisien korelasi (r) sebesar 1,000, dan nilai Sig. (2-tailed) 0,000 yang artinya terdapat hubungan yang kuat dan sangat signifikan antara tingkat pengetahuan petani dengan efektivitas pelaksanaan program kartu tani.
ANALYSIS BREAK-EVEN POINT OF TOFU AGROINDUSTRY
Authors: Putra Ade Fikri Maulana , Noor Trisna Insan , Isyanto Agus Yuniawan
Published: October 2023

The tofu agroindustry Sumber Rezeki is one of the tofu industries that is still active in Balokang Village, Banjar District, Banjar City which has been established since 1999 until now, but until now the craftsmen do not know clearly about financial management, profits and business success. Research purposes  is to find out: (1) the cost and income of tofu agroindustry; (2) the amount of R/C; and (3) the amount of the break-even point of revenue, the break-even point of production volumes and the break-even point of prices in one production process. The type of research used is a qualitative method. The results showed: (1) The production cost of the tofu agroindustry "Sumber Sustenance" which was issued in one production process was Rp. 4,135,312.27, the production produced was 65 buckets of tofu or 18,785 pieces of tofu with a price of one bucket Rp. 90,000. The income obtained by the craftsmen is Rp. 5,950,000 and the amount of income earned is Rp. 1,814,687.73 in one production process. (2) The R/C value is 1.43, which means that for every one rupiah spent, an income of 1.43 will be obtained. So that the income of tofu agroindustry Sumber Sustenance is Rp. 0.43; (3) The break-even point of the tofu agroindustry “Sumber Rezeki” is reached at a sales value of Rp. 595,744.3 and a minimum production volume of 6.61 buckets or 1,910 pieces of Tofu with a minimum price of Rp. 63,620.19.
ANALISIS NILAI TAMBAH AGROINDUSTRI KERIPIK BAWANG DI DESA CIPAKU KECAMATAN CIPAKU KABUPATEN CIAMIS
Authors: Noor Rahman Muhammad Faisal , Rochdiani Dini , Aziz Saepul
Published: October 2023

ABSTRAKPengolahan bahan baku menjadi sebuah produk akan memberikan nilai tambah. Nilai tambah pada agroindustri keripik bawang didapat dari pengolahan bahan baku utama yaitu tepung terigu menjadi keripik bawang. Penelitian ini dilaksanakan di agroindustri keripik bawang “Dua Putri” yang bertujuan untuk mengetahui: (1) Besarnya biaya, penerimaan dan pendapatan yang didapat oleh agroindustri keripik bawang di Desa Cipaku Kecamatan Cipaku  Kabupaten Ciamis dan (2) Besarnya nilai tambah yang diperoleh agroindustri keripik bawang di Desa Cipaku Kecamatan Cipaku  Kabupaten Ciamis. Penelitian ini menggunakan pendekatan studi kasus. Penarikan sampel dilakukan dengan menggunakan teknik purposive sampling terhadap agroindustri keripik bawang di Desa Cipaku Kecamatan Cipaku Kabupaten Ciamis. Berdasarkan hasil penelitian, dapat diketahui bahwa nilai tambah yang didapat pengolahan keripik bawang di Desa Cipaku Kecamatan Cipaku  Kabupaten Ciamis yaitu: (1) Besarnya biaya produksi yaitu Rp. 752.669,14  dan penerimaan Rp. 805.000,00, sehingga pendapatan yang diperoleh agroindustri keripik bawang yaitu Rp 52.330,86; (2) Nilai tambah pada agroindustri “Dua Putri” adalah Rp 7.854,00 dengan rasio nilai tambah 25%.Kata Kunci: Nilai Tambah, Agroindustri, dan Keripik BawangABSTRACTProcessing raw materials into a product will provide added value. In the keripik bawang agroindustry, added value is obtained from processing the main raw material, namely wheat flour into keripik bawang. This research was conducted in the keripik bawang agroindustry "Dua Putri" which aims to determine: (1) The amount of costs, revenues and incomes obtained by the keripik bawang agroindustry in Cipaku Village, Cipaku District, Ciamis Regency (2) The amount of added value obtained by the keripik bawang agroindustry in Cipaku Village, Cipaku District, Ciamis Regency. Cipaku Village, Cipaku Subdistrict, Ciamis Regency. This research uses descriptive research with a case study approach, the sampling is done by purposive sampling technique on the keripik bawang agroindustry in Cipaku Village, Cipaku District, Ciamis Regency. The results showed that the added value obtained by processing keripik bawang in Cipaku Village, Cipaku District, Ciamis Regency, namely: (1) The cost of Rp. 752,669.14 revenues of Rp. 805.000.00 and income of Rp. 52.330.86 (2) The added value of the Dua Putri agroindustry is Rp. 7.854.00 with a value added ratio of 25%.Keywords: Added Value, Agroindustry, and Keripik Bawang
Analisis Perubahan Garis Pantai di Pantai Santolo dan Sayang Heulang Kabupaten Garut Tahun 2015-2022
Authors: Assifa Siti Rohmah , Cahyadi Ferry Dwi , Sasongko Agung Setyo
Published: October 2023

Salah satu bentuk dinamika perubahan garis pantai yaitu perubahan garis pantai yang terjadi secara berkelanjutan. Perubahan tersebut berupa abrasi dan akresi. Perairan terbuka atau perairan yang menghadap langsung ke Samudera Hindia salah satunya adalah kabupaten Garut. Pantai Santolo dan Sayang Heulang merupakan salah satu pantai wisata di Pesisir Kabupaten Garut. Tujuan dari penelitian ini untuk mengetahui perubahan garis pantai dan faktor penyebab perubahan garis pantai. Citra yang digunakan pada penelitian ini menggunakan citra satelit Google Earth Pro. Penelitian ini menggunakan analisis digital shoreline analysis system (DSAS) dengan metode Net Shoreline Movement dan End Point Rate. Hasil penelitian menunjukkan terjadinya abrasi dan akresi. Di Pantai Santolo terjadi abrasi tertinggi berkurang -97,29 meter dengan laju -13,89 m/tahun dan terjadi akresi tertinggi bertambah +51,15 meter dengan laju +7,30 m/tahun. Sedangkan di Pantai Sayang Heulang terjadi abrasi tertinggi -24,75 m dengan laju -3,53 m/tahun dan akresi tertinggi +36,11meter dengan laju +5,15 m/tahun. Faktor perubahan akibat abrasi di sebabkan oleh gelombang laut dan faktor perubahan akibat akresi disebabkan oleh aktivitas manusia seperti penambahan infrastruktur di bibir pantai dan sedimentasi Muara Sungai Cilauteureun.
Analisis Perubahan Garis Pantai dengan Pendekatan Penginderaan Jauh di Kecamatan Mempawah Hilir
Authors: Ginanjar Cecep , Harfinda Elliska Murni , Saputra Robin
Published: October 2023

Perubahan garis pantai sangat berkaitan erat dengan alih fungsi lahan, tata ruang, dan tutupan lahan di kawasan pesisir. Penelitian ini bertujuan untuk mengetahui perubahan garis pantai yang terjadi di pesisir Kecamatan Mempawah Hilir pada tahun 2010 – 2022. Penelitian ini menggunakan metode penginderaan jauh dengan media citra satelit Landsat 7 dan 8, teknik analisis perubahan garis pantai menggunakan Digital Shoreline Analysis System (DSAS) pada software ArcGIS dengan metode single transect dan metode end point rate. Hasil analisis didapati bahwa perubahan garis pantai di pesisir Kecamatan Mempawah Hilir terjadi dalam bentuk abrasi dan akresi, besaran total abrasi dalam kurun waktu 12 tahun mencapai 139,37 Ha dan total akresi yang terjadi sebesar 352,83 Ha. Perubahan luas yang signifikan terjadi pada Kawasan mangrove dalam kurun waktu 12 tahun terakhir. Pada tahun 2010, 2014, 2018 dan 2022 berturut – turut sebesar 385,15 Ha, 474,98 Ha, 557,27 Ha dan 656,65 Ha. Perubahan luasan tutupan lahan (mangrove) disebabkan oleh faktor alami dan aktivitas masyarakat pesisir serta pemerintah setempat dalam hal konservasi mangrove, hal ini berpengaruh pada perubahan garis pantai (akresi) yang terjadi pada wilayah tersebut.
Copper's dual influence: Self-assembly and anti-amyloidogenic activity of monomeric transthyretin
Authors: Yi Yelim , Ryu Wooyeol , Kim Bokyung , Muniyappan Srinivasan , Park Kiyoung , Kim Jin Hae , Lim Mi Hee
Published: October 2023

Disturbances in metal ion homeostasis are linked to neurodegenerative diseases associated with amyloidogenic peptides or proteins, although the precise molecular mechanisms underlying the pathological connections between metal ions and amyloid-forming species remain elusive. Here we report the discovery of how copper affects the self-assembly and anti-amyloidogenic activity of monomeric transthyretin (M-TTR), the aggregation-prone species originating from the native homotetrameric TTR. Our findings reveal that Cu(II) binding to M-TTR induces covalent adduct formation and oxidative modifications, leading to the enhancement of its aggregation and apoptosis-mediated cytotoxicity. Moreover, Cu(II) alters the interaction between M-TTR and amyloid-beta (Abeta), a pathogenic factor in Alzheimer’s disease, and, consequently, affects M-TTR’s ability to modulate the aggregation and toxicity profiles of Abeta. Our study demonstrates the effects of copper on the pathological properties of M-TTR, which sheds light on the contribution of copper to the pathologies of neurodegenerative disorders linked to aggregation-prone proteins.
Direct environmental lead detection by photoluminescent perovskite formation with nanogram sensitivity
Authors: Helmbrecht Lukas , van der Weijden Arno , van Dongen Sjoerd , van Campenhout Christiaan , Noorduin Willem L.
Published: October 2023

Although the global ban of leaded gasoline has markedly reduced lead poisoning, many other environmental sources of lead exposure such as paint, pipes, mines, and recycling sites remain. Existing methods to identify these sources are either costly or unreliable. We here report a new sensitive and inexpensive lead detection method that relies on the formation of a perovskite semiconductor. The method only requires spraying the material of interest with methyl ammonium bromide and observing whether photoluminesence occurs under UV light to indicate the presence of lead. The method detects as little as 1.0 ng/mm² of lead by naked eye and 50 pg/mm² using a digital photo camera. We exposed more than 50 different materials to our reagent and found no false negatives or false positives. The method readily detects lead in soil, paint, glazing, cables, glass, plastics, and dust and could be widely used for testing the environment and preventing lead poisoning.
Enhanced flow in deformable carbon nanotubes
Authors: Garg Ashish
Published: October 2023

Water transport through nanopores is widespread in the natural world and holds significant implications in various technological applications. Several researchers observed a significant increase in water flow through graphene-based nanotubes. Graphene sheets are deformable, so we represent nano/Angstrom-size tubes with a deformable wall model using the small displacement structural mechanics with a linear pressure-area relationship. We assume the lubrication assumption in the shallow tubes, and using the microstructure of confined water along with slip at the capillary boundaries, we derive the model for deformable nanotubes. Our derived model also facilitates the flow dynamics of Newtonian fluids under different conditions as its limiting cases, which have been previously reported in the literature. We compare the predictions by our deformable-wall and rigid-wall model with the experimental results and the MD simulation predictions by multiple literatures. Many studies were well-predicted by the rigid-wall model with slips. However, we find that there are many studies with high porosity and thin wall tubes, where elasticity or deformability of the tube is essential in modelling, which is well-predicted by our deformable-wall model with slips. In our study, we focus on investigating the impact of two key factors: the deformability of the nanotubes and the slip length on the flow rate. We find that the flow rate inside the tube increases as the deformability $1/\alpha$ increases (or corresponding thickness $\mathcal{T}$ and elastic modulus $E$ of the wall decreases). We find that the flow rate in deformable tubes scales as $\dot{m}_{\text{deformable}}\sim 1/\alpha^0 $ for $\Big ( \Delta p/\alpha A_o \Big ) \ll 1$, $\dot{m}_{\text{deformable}}\sim 1/\alpha $ for $\Big ( \Delta p/\alpha A_o \Big ) \sim O(10^{-1})$ and $\dot{m}_{\text{deformable}}\sim \alpha^2 $ for $\Big ( \Delta p/\alpha A_o \Big ) \sim O(1)$. We also find that, for a given deformability factor $\alpha$, the percentage change in flow rate in the smaller diameter of the tube is much larger than the larger diameter. As the tube diameter decreases for the given reservoir pressure, $\Delta \dot{m}/\dot{m}$ increases $A_o^{-1}$ followed by $A_o^{-2}$ after a threshold with the tube diameter. We find that for the rigid tube, where the deformability parameter $1/\alpha=0$, the mass flow rate varies linearly, i.e., $\dot{m}_{\text{rigid}} \sim \Delta p $, whereas for the deformable tubes, the flow rate scales as $\dot{m}_{\text{deformable}}\sim \Delta p^2 $ for $ \Big ( \Delta p/\alpha A_o \Big ) \sim O(10^{-1})$ during transition from $\dot{m}_{\text{rigid}} \sim \Delta p $ to $\sim \Delta p^3 $, and finally to $\dot{m}_{\text{deformable}}\sim \Delta p^3 $ for $ \Big ( \Delta p/\alpha A_o \Big ) \sim O(1)$. We further find that the slip also significantly increases the mass flow rate in the nanotubes. Still, the deformability has, in comparison, a more substantial effect in increasing the mass flow rate to several orders than the slips.
Photosensitization Enables Pauson-Khand-type Reactions with Nitrenes
Authors: Li Fang , Zhu W. Felix , Empel Claire , Datsenko Oleksandr , Kumar Adarsh , Xu Yameng , Ehrler Johanna H. M. , Atodiresei Iuliana , Knapp Stefan , Mykhailiuk Pavel K. , Proschak Ewgenij , Koenigs Rene M.
Published: October 2023

The Pauson-Khand reaction was invented in 1971, and is one of the most common pericyclic reactions in chemistry featuring the reaction of two unsaturated bonds and carbon monoxide. Even 50 years after its discovery, it remains limited to carbon monoxide as a C1 building block. Herein we report pericyclic reactions with nitrenes as a N1 unit. The reaction that comprises a non-conjugated diene and a nitrene precursor allows the rapid synthesis of bicyclic bioisosteres for common saturated heterocycles such as piperidine, morpholine, piperazine. This is achieved by relaying the diradical nature of triplet nitrene as shown experimentally and computationally. We exemplified this approach in two protocols, late-stage functionalization of drugs, and the application in drug discovery for inhibitors of soluble epoxide hydrolase.
Probing the role of acid site distribution on water structure in aluminosilicate zeolites: insights from molecular dynamics
Authors: Zheng Mingze , Bukowski Brandon C.
Published: October 2023

Water plays a pivotal role in numerous chemical processes, especially in the production of fuels and fine chemicals derived from bio-based feedstocks. Zeolites are porous catalysts used extensively due to their shape-selective adsorption and confinement interactions; However the kinetics of zeolite catalyzed reactions are significantly impacted by the presence of water, which may affect product selectivity and intrinsic rate constants depending on transition state polarity. In this study, we employed machine learning force fields (MLFFs) to accelerate ab initio molecular dynamics (AIMD) simulations and enhance the phase space exploration of water configurations in Brønsted acid zeolites. We interrogated the structure of adsorbed water based on the Si/Al ratio and acid site distribution to disentangle the impact of acid site density and distribution on water matrix organization as a function of water loading. We integrated adsorption thermodynamics, vibrational spectroscopy simulations, and local density maps to interrogate the spatial orientation of adsorbed water clusters and their degree of hydrogen bonding. Our analysis unveiled the intricate interplay between zeolite structure, Brønsted acid site location, and water where spatially disparate acid sites nucleate extended clusters that span siliceous regions of the zeolite. We found that the length scale of ordered water regions is directly related to the Si/Al ratio and spatial distribution of Al sites. These findings provide insights into the molecular-level structure of water in microporous aluminosilicate micropores and demonstrate how acid sites can be used to control water activity which has applications to heterogeneous catalysis and adsorptive separations.
Superdense hexagonal BP and AlP with quartz topology: Crystal chemistry and DFT study
Authors: Solozhenko Vladimir L. , Matar Samir F.
Published: October 2023

The superdense hexagonal phosphides BP and AlP, whose structures are formed by distorted tetrahedra and characterized by quartz-derived (qtz) topology, were predicted from crystal chemistry and first principles as potential high-pressure phases. From full geometry structure relaxations and ground state energies calculations based on quantum density functional theory (DFT), qtz BP and AlP were found to be less cohesive than the corresponding cubic zinc-blende (zb) phases with diamond-like (dia) topology, but were confirmed to be mechanically (elastic constants) and dynamically (phonons) stable. From the energy-volume equations of state, qtz phases were found to be energetically favorable at small volumes, with zb-to-qtz transition pressures of 144 GPa for BP and 28 GPa for AlP. According to the electronic band structures and the site projected density of states, both phosphides exhibit larger band gaps of the zinc-blende phases compared to the qtz phases; the smaller values for the latter result from the smaller volumes per formula unit, leading to an increased covalence.
Natural Products Inspired [3 + 2] Cycloaddition Enables Efficient Syntheses of Lignans
Authors: Cai Dong-Yue , Shi Wei-Ming , Jin Zhao-Hui , Yu Zhi-Xiang , Zhao Jin-Xin , Yue Jian-Min
Published: October 2023

Mimicking biosynthetic pathways of hongkonoids led to the development of a new Cu(Ⅰ)-catalyzed [3 + 2] cycloaddition of α-hydroxyketone and β-keto enol ethers, affording chiral tetrahydrofuran acetals in a highly diastereoselective manner and 100% atom economy. Computational studies on the mechanism disclosed a concerted but asynchronous Michael addition/aldol reaction. Of the same importance, this methodology provides a practical biomimetic approach for one-step construction of the dibenzylbutyrolactol lignan backbone starting from two phenyl propane derivatives, opening up a powerful new approach for lignan synthesis, which is showcased by succinct total syntheses of two biologically important aryltetralin-type lignans, β-apopicropodophyllin and cycloolivil. Given the mild and operationally simple conditions, the developed chemistry might have a promising prospect in potential industrial applications.
Effect of milkfish skin gelatin on properties of vegetable wet noodle
Authors: Fitra B.M. , Susanto E. , Suharto S. , Munawaroh H.S.H. , Ningrum A.
Published: October 2023

Vegetable wet noodles are one of the healthy noodles which have been part of a functional
noodle. Wet noodles are a type of noodle with a chewy texture that are usually served
immediately after production. However, the low tensile strength makes the noodles easily
break, therefore it is necessary to mix it with gelatin to get noodles with good quality. Fish
skin gelatin could improve physico-chemical, nutritional and functional quality of
vegetable wet noodles. Consequently, the purpose of this study is to examine the effect of
milkfish skin gelatin on the properties of vegetable wet noodle. Various concentration of
milkfish skin gelatin (0.5%, 1%, 1.5%, 2% and 2.5%) were added to vegetable wet noodle
dough. Physico-chemical properties of vegetable wet noodle were analyzed including
tensile strength, Scanning electron microscope, proximate, color, total pigment, amino
acid content and antioxidant activity. The addition of 2.5% of fish skin gelatin exhibited
the highest tensile strength or breaking strength (0.18 MPa). SEM test results showed a
dense matrix structure, uniform and compact cavities. Value of water content was 59.49%,
protein content was 8.92%, ash content was 0.4%, fat content was 1.06%, carbohydrate
content was 30.13%. Whereas, total pigment with chlorophyll value a was 3 mg/g,
chlorophyll b was 2.46 mg/g and carotenoids was 1.32 mg/g. The color test obtained the
results of the parameters L* 70.51, a* -5.37, and b* 11.56, respectively. There were major
essential amino acids such as leucine, phenylalanine, and arginine. Furthermore, hedonic
analysis showed that the consumer prefers to choose wet vegetable noodle after 2.5%
gelatin addition due to bright green appearance, the specific aroma and the chewy texture
of noodle.
Quality characteristics and amino acid profile and fatty acid profile of smoked
catfish treated using coconut shell liquid smoke
Authors: Swastawati F. , Muniroh M. , Setiaputri A.A. , Sholihah D.F.
Published: October 2023

Smoked catfish is one of the processed fish products that is often found in various regions
in Indonesia. Smoking method with liquid smoke can be alternative as a substitute for
traditional smoking so that the resulting product has good quality. This study aimed to
evaluate changes in the quality and amino acid profile of catfish processed using liquid
smoke. Fish were immersed in liquid smoke with a concentration of 5%. Parameters
analyzed in this study included levels of proximate, total bacteria, amino acid profile and
fatty acid profile. The results showed that the use of liquid smoke had a significant effect
(p<0.05) on the composition of proximate, total bacteria, amino acids profile, and fatty
acid profile. Fresh and smoked catfish have a complete amino acid content. The dominant
essential amino acids lysine and leucine were 25,738.98 mg/kg and 27,977.04 mg/kg,
respectively. The highest fatty acid profile in fresh and smoked catfish were unsaturated
fatty acids at 4.11 mg/kg and 4.33 mg/kg, respectively. Catfish processed by smoking
liquid smoke changes in characteristics including proximate composition, amino acid
profile, and fatty acid profile. The application of liquid smoke on smoked catfish also can
reduced the total bacteria values.
Research on the Application of Big Data in Retirement Service Management
Authors: Huang Xiao , Zhuang Yi , Hu Xiuyu , Yu Gang
Published: October 2023

In view of the rapid development of China’s socio-economy, the field of science and technology has also ushered in new development opportunities. Various modern information technologies have found extensive application in diverse societal sectors and various aspects of people’s daily lives. The most representative and widely used technology among them is big data. The 21st century presents not only an era dominated by information technology but also a growing challenge of an aging population in China. Consequently, there is a considerable journey ahead in terms of managing services for retirees. It is imperative to firmly establish the right mindset regarding the internet and big data concepts. Actively exploring diverse information technology applications in the service management for retired individuals and fostering innovative work models can lead to significant enhancements in service quality and efficiency. Therefore, this article presents a study on the application of big data Internet technology in the management of retirement services.
The Role of Civics Education in Establishing the Critical Thinking and Humanist Citizens at Universitas Muhammadiyah Semarang
Authors: Ambarsari Arum
Published: October 2023

This research determined the civics education role in establishing and realizing humanist citizens. Humanist citizens refer to citizens with values as humans in daily life behaviors and to humanize other individuals. This literature study analyzed various theories about civics and the roles of civics education in Indonesia in creating humanist citizens. Humanist citizens are the results of the expected learning outcomes after receiving civics learning in Indonesia. With civics education for primary all educational levels, such as Primary School, Junior high School, and Senior High School levels, learners will be aware of the primary values of citizens in community life. Thus, the objective of civics education is to realize humanist citizens.
COVID-19 among people living with HIV in Lebanon
Authors: Noureldine Hussein A , Chedid Georges , Abdessamad Hilal , Costanian Christy , Maamari Julian , Al Nakib Mostafa , Maatook Ismael , Farra Anna , Husni Roula , Mokhbat Jacques
Published: October 2023

Background: There are conflicting reports of the interaction between COVID-19 and HIV infection among coinfected individuals, and there is a particular dearth of evidence among populations in the Middle East. Aim: To determine if living with HIV and use of antiretroviral therapy increases susceptibility to, and severity of, COVID-19. Methods: This cross-sectional study was based on telephone survey of COVID-19 symptoms duration and clinical course among 200 people living with HIV (PLWHs) and a review of medical records in Beirut, Lebanon, during Spring 2021. Data were collected from consenting patients using standardized forms. The laboratory and medical characteristics of PLWHs with and without COVID-19 were compared and the outcomes of COVID-19 were described. A binary logistic regression model for contracting COVID-19 was constructed based on clinically relevant covariates consistently associated with COVID-19. Significance level was set at 0.05 and statistical analysis was performed using SPSS version 27.0. The Lebanese American University Institutional Review Board approved the study protocol. Results: Fifty-two of 200 PLWHs contracted COVID-19 but only 4 progressed to severe COVID-19. No significant differences were found with respect to gender, time since HIV diagnosis, most recent CD4 count, viral load, substance use, comorbidities, or use of antiretroviral therapy. Older PLWHs were at lower risk of contracting COVID-19; COVID-19 infection was significantly associated with younger age. Conclusions: COVID-19 infection was associated with younger age among PLWHs in Lebanon, possibly due to behavioural and socioeconomic factors.
Grit, Student Academic Achievement and Factors Affecting It
Authors: Martoyo Ihan , Lindawati Lindawati
Published: October 2023

Grit has been shown to be a more influential predictor of success than mere cognitive ability. Research on Grit is still minimal in Indonesia and is often descriptive in nature and does not specifically target student academic achievement. This study aims to fill this gap to reveal the interaction between Grit and student academic achievement. In addition, several aspects of student life were also observed to see their influence on Grit, including length of study, the number of students’ work obligation hours, and the amount of social media/TV consumption. The research was conducted using the Grit Scale.  Purposive sampling was used to collect data from 763 students from the Faculty of Teacher College, Universitas Pelita Harapan, with an age range of 18-22 years from 3 years of class and 4 study programs. Correlation and regression results show that Grit is associated with student academic achievement (r=.14, p<.01), and can predict student academic achievement significantly (β=.14, p<.001). In addition, there was also an increase in Grit scores from the second, to the third, and the fourth-year students.  The amount of students’ work obligation was found to be a positive predictor of Grit, while the amount of social media/TV consumption was a negative predictor. The implications of this research and the factors that influence students’ Grit will be discussed further.
 
ABSTRAK 
Gereget (inggris: Grit) telah ditunjukkan sebagai prediktor keberhasilan yang lebih berpengaruh daripada kemampuan kognitif semata. Namun demikian, penelitian tentang Gereget masih minim di Indonesia dan sering bersifat deskriptif dan tidak menyasar secara khusus ke prestasi akademis mahasiswa. Penelitian ini bertujuan mengisi celah ini untuk mengungkap interaksi antara Gereget dan prestasi akademis mahasiswa. Sebagai tambahan, beberapa aspek kehidupan mahasiswa juga diamati pengaruhnya terhadap Gereget, termasuk lama studi, jumlah pemenuhan jam wajib kerja mahasiswa, dan jumlah konsumsi media sosial/TV. Penelitian kuantitatif dilakukan dengan menggunakan Skala Gereget (Grit-Scale). Purposive sampling digunakan untuk mengambil data dari 763 mahasiswa Fakultas Pendidikan Guru, Universitas Pelita Harapan, dengan rentang umur 18-22 tahun yang berasal dari 3 tahun angkatan dan 4 program studi. Hasil korelasi dan regresi menunjukkan bahwa Gereget berhubungan dengan prestasi akademis mahasiswa (r=.14, p<.01), dan dapat memprediksi prestasi akademis mahasiswa secara signifikan (β=.14, p<.001). Selain itu, juga ditemukan peningkatan nilai Gereget dari mahasiswa tahun kedua, ke tahun ketiga dan keempat. Jumlah jam wajib kerja mahasiswa ditemukan sebagai prediktor positif terhadap Gereget, sedangkan jumlah konsumsi media sosial/TV adalah prediktor negatif. Implikasi penelitian ini dan faktor-faktor yang mempengaruhi Geregetnya mahasiswa akan didiskusikan lebih jauh.
Analysis of Listen Before Talk Protocol Implementation in Terrestrial Network Using Multi-Node LoRa Communication
Authors: Mahmud Shafiatullaily
Published: October 2023

Wireless communication today plays a very important role in technological development but often faces challenges in terms of reliability and quality of data transmission; this study implements the Listen Before Talk (LBT) protocol in the terrestrial network environment through Multi-Node LoRa communication to test its effectiveness in avoiding packet loss ending the quality of communication in variations of the land environment. Test results showed that LBT effectively produced zero percentage packet loss at 50 to 500 meters. At the same time, LoRa devices could maintain communication quality even though the Received Signal Strength Indicator (RSSI) value decreased with the distance. The findings provide positive indications of the potential of LBT protocols inning data transmission integrity in terrestrial environments and foster the development of reliable and high-quality wireless communications in complex ground network environments.
Milkfish Freshness Classification Using Convolutional Neural Networks Based on Resnet50 Architecture
Authors: Al-Ghiffary Maulana Malik Ibrahim , Sari Christy Atika , Rachmawanto Eko Hari , Yacoob Noorayisahbe Mohd , Cahyo Nur Ryan Dwi , Ali Rabei Raad
Published: October 2023

Milkfish (Chanos chanos) had become the main commodity in three major cities in Indonesia, contributed at least 77 thousand tons of aquaculture production in 2021. The quality of fish is determined based on the level of freshness carried out in the sorting process, the sorting process is generally done by evaluating physical characteristics of the fish. However, this method is still considered less efficient and economical because the ability to classify the freshness level of fish can vary for each individual. In this study, by utilizing deep learning, a classification method for milkfish freshness level classification with ResNet50 architecture is proposed, the proposed method is purposed to overcome the previously stated problems, thus creating an efficient and economical system. By creating an efficient system, milkfish sorting process can be carried out quicker and more accurately. Using personal dataset divided into four different classes, the proposed method produces excellent result
Peran Guru Bk Dalam Mengatasi Ketidakdisplinan Waktu Melalui Siswa Di Kelas X Sma
Authors: Kurniarahman Yogy Prasetiya
Published: October 2023

Dalam tulisan ini membahas ketidakdisiplinan, ketidakdisiplinan menjadi kajian penting saat ini karena perkembangan pergaulan remaja saat ini sangat meresahkan. Kenakalan remaja, kemerosotan moral dikalangan pelajar, mengikisnya nilai dan norma dikalangan pelajar, kepribadian yang menghilangakan identitas budaya sendiri, budaya ketidakjujuran, ketidaksopan santunan, sikap tak acuh yang tercermin dalam bentuk ketidakdisiplinan peserta didik di dalam sekolah. Foucault dalam tulisanya Disipline dan Punish, Foucault menyebutkan ada beberapa mekanisme yang diformulasikan dalam pendisiplinan: pertama, seni penyebaran. Kedua, kontrol aktifitas. Ketiga, strategi menambah kegunaan waktu dan keempat, terakhir adalah kekuatan yang tersusun. Mekanisme ketidakdisiplinan yang ada di Sekolah SMA. Sekolah sendiri merupakan institusi pendidikan yang terus dikembangkan, diperbaharui, mengalami perubahan perubahan kebijakan dengan tujuan sebagai bagian dari usaha untuk mencapai perbaikan perbaikan untuk meningkatkan kualitas pendidikan demi membentuk karakter generasi penerus yang diharapkan. Dalam tulisan ini melihat peran penting sekolah dalam membentuk karakter peserta didik
PENINGKATAN HASIL BELAJAR SISWA MELALUI MODEL PEMBELAJARAN MISSOURI MATHEMATICS PROJECT (MMP) PADA MATERI SEGIEMPAT DAN SEGITIGA
Authors: Machmud Sri Agustina , Machmud Tedy , A. Y. Pauweni Khardiyawan
Published: October 2023

Tujuan penelitian ini untuk mengetahui apakah terdapat peningkatan hasil belajar siswa melalui model pembelajaran Missouri Mathematics Project (MMP) pada materi Segiempat dan Segitiga di kelas VII-6 SMP Negeri 2 Gorontalo. Penelitian tindakan kelas melibatkan siswa kelas VII-6 dengan jumlah 30 orang yang terdiri dari 15 orang siswa laki-laki dan 15 siswa perempuan. Hasil penelitian pada proses pembelajaran dapat dilihat dari skor rata-rata hasil belajar matematika siswa pada siklus I yaitu ranah afektif dengan kriteria baik dan sangat baik mencapai 54,17%, ranah psikomotorik dengan kriteria baik dan sangat baik mencapai 56,67%, ranah kognitif siswa yang tuntas dengan persentase 66,67% dan pada siklus II yaitu ranah afektif dengan kriteria baik dan sangat baik mencapai 80,83%, ranah psikomotorik dengan kriteria baik dan sangat baik mencapai 83,33%, ranah kognitif siswa yang tuntas dengan persentase 90%. Berdasarkan peningkatan persentase dari 3 (tiga) ranah tersebut, dapat disimpulkan bahwa penerapan model pembelajaran Missouri Mathematic Project (MMP) dapat meningkatkan hasil belajar matematika siswa
Analisis Pemilihan Warna Pada Industri Produk Kubah Putra Jamin Padangpanjang
Authors: Aryadi Mirda
Published: October 2023

AbstractIndustrial designs in the field of dome architecture have long-term potential to become sustainable projects. The choice of color is an element of art that cannot be separated from the architectural design of the dome wherever this product is applied. The research "Analysis of color selection in the Putra Jamin Padang Panjang dome product industry" aims to understand the ideal and long-lasting color selection for Enamel and decorative dome products accompanied by studies on the use of standard paint for car painting. The research method used is descriptive analysis with a qualitative approach. This research is expected to contribute to similar business actors to be able to improve work quality in terms of color selection and product durability, so as to have products that have aesthetic value and high selling value.Keywords: dome, color, enamel, decorative.
How to Optimize Your Recruitment for Post Pandemic?
Authors: Sayyadi Mostafa
Published: October 2023

As the world recovers from the COVID-19 crisis, the world economy is still in flux. Many jobs disappeared from the scene as many organizations adjust their workforce. Attracting the best skills and best talent has also been a challenge for many organizations. Traditional recruitment methods are outdated, and our recommendation is to move to use a competency and knowledge-based recruitment process. The competency and knowledge-based method of recruitment revolutionizes the process of recruiting and attracting future human resources for the organization and brings extraordinary results. Results such as developing innovation and assembling a pool of top talent to better meet the ever-increasing needs of today's ever-changing business environment will be enhanced with this new process.
An Examination of Unaddressed Research Gaps in Reward-Based Crowdfunding Performance and Success
Authors: grace matthew
Published: October 2023

Entrepreneurs’ options for raising capital in the 21st Century have changed dramatically. Of the new options for individuals and businesses to raise funds, none has received more attention in the last decade than Crowdfunding. Crowdfunding, having emerged from crowdsourcing, allows fundraisers to collect funds from funders, usually via the internet, and most often through an intermediary, the crowdfunding platform. The most studied type of crowdfunding is reward-based crowdfunding in which funders receive a reward from the funder for pledging funds to a campaign. What factors impact the performance of reward-based crowdfunding campaigns is of vital importance. Similarly, knowledge of the recent advances in the field including the remaining research gaps, which have so far been underexplored, is also pressing. The purpose of this systematic review was therefore to answer two interrelated, questions: first, what performance and success factors have been recently discovered in the RBCF literature (2018-2021)? Second, what are the remaining unaddressed research gaps in reward-based crowdfunding performance and success?
This review produced several key findings. In addition to the many gaps already identified in previous crowdfunding reviews, this review identified several novel gaps. First, the extant literature has not addressed the importance of macroeconomic factors in determining the performance of campaigns. Second, there is a paucity of research concerning the impact of the COVID-19 Pandemic on campaign performance, or how funder motivations and behaviors have been affected. Third, there has been a lack of research on fundraisers whose campaigns are “self-hosted” on their own websites bypassing crowdfunding platforms altogether. Lastly, this review did not identify any studies that attempted to understand the effects of funders canceling or decreasing previously made pledges to a campaign, or what motivates funders to change their pledges mid-campaign.
Properties of Generalized $\delta p(\Lambda,s)$-closed Sets
Authors: Boonpok Chawalit , Srisarakham Napassanan
Published: October 2023

This paper deals with the concept of generalized $\delta p(\Lambda,s)$-closed sets. Especially, some properties of generalized $\delta p(\Lambda,s)$-closed sets are discussed. Moreover, we apply the notion of generalized $\delta p(\Lambda,s)$-closed sets to present and study new classes of spaces called $\delta p(\Lambda,s)$-$T_\frac{1}{2}$-spaces and $\delta p(\Lambda,s)$-normal spaces. Several properties and characterizations concerning $\delta p(\Lambda,s)$-$T_\frac{1}{2}$-spaces and $\delta p(\Lambda,s)$-normal spaces are established.
Generalized Reflexive Structures Properties of Crossed Products Type
Authors: Ali Eltiyeb
Published: October 2023

Let $R$ be a ring and $M$ be a monoid with a twisting map $f : M \times M \rightarrow U(R)$ and an action map $\omega : M \rightarrow Aut(R)$. The objective of our work is to extend the reflexive properties of rings by focusing on the crossed product $R \ast M$ over $R$. In order to achieve this, we introduce and examine the concept of strongly $CM$-reflexive rings. Although a monoid $M$ and any ring $R$ with an idempotent are not strongly $CM$-reflexive in general, we prove that $R$ is strongly $CM$-reflexive under some additional conditions. Moreover, we prove that if $R$ is a left $p.q.$-Baer (semiprime, left $APP$-ring, respectively), then $R$ is strongly $CM$-reflexive. Additionally, for a right Ore ring $R$ with a classical right quotient ring $Q$, we prove $R$ is strongly $CM$-reflexive if and only if $Q$ is strongly $CM$-reflexive. Finally, we discuss some relevant results on crossed products.
Oscillatory Properties Test for Even-Order Di§erential Equations of Neutral type
Authors: Almutairi Alanoud
Published: October 2023

This paper presents a study on the oscillatory behavior of solutions to even-order neutral differential equations involving p-Laplacian-like operator. We obtain oscillation criteria using techniques from first-order delay differential equations, Riccati technique and integral averages technique. The results of this work contribute to a deeper understanding of even-order differential equations and their connections to various branches of mathematics and practical sciences. The findings emphasize the importance of continued research in this area.