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4. Spectral splitting of a stimulated Raman transition in a single molecule

Author

Zirkelbach, Johannes, Gurlek, Burak, Mirzaei, Masoud, Shkarin, Alexey, Utikal, Tobias, Götzinger, Stephan, and Sandoghdar, Vahid

Subjects
Quantum Physics
Abstract

The small cross section of Raman scattering poses a great challenge for its direct study at the single-molecule level. By exploiting the high Franck-Condon factor of a common-mode resonance, choosing a large vibrational frequency difference in electronic ground and excited states and operation at T < 2K, we succeed at driving a coherent stimulated Raman transition in individual molecules. We observe and model a spectral splitting that serves as a characteristic signature of the phenomenon at hand. Our study sets the ground for exploiting the intrinsic optomechanical degrees of freedom of molecules for applications in solid-state quantum optics and information processing., Comment: 7 pages, 5 figures

Published
2023
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5. High-resolution vibronic spectroscopy of a single molecule embedded in a crystal

Author

Zirkelbach, Johannes, Mirzaei, Masoud, Deperasinska, Irena, Kozankiewicz, Boleslaw, Gurlek, Burak, Shkarin, Alexey, Utikal, Tobias, Götzinger, Stephan, and Sandoghdar, Vahid

Subjects
Quantum Physics
Abstract

Vibrational levels of the electronic ground states in dye molecules have not been previously explored at high resolution in solid matrices. We present new spectroscopic measurements on single polycyclic aromatic molecules of dibenzoterrylene embedded in an organic crystal made of para-dichlorobenzene. To do this, we use narrow-band continuous-wave lasers and combine spectroscopy methods based on fluorescence excitation and stimulated emission depletion (STED) to assess individual vibrational linewidths in the electronic ground state at a resolution of ~30 MHz dictated by the linewidth of the electronic excited state. In this fashion, we identify several exceptionally narrow vibronic levels with linewidths down to values around 2GHz. Additionally, we sample the distribution of vibronic wavenumbers, relaxation rates, and Franck-Condon factors, both in the electronic ground and excited states for a handful of individual molecules. We discuss various noteworthy experimental findings and compare them with the outcome of DFT calculations. The highly detailed vibronic spectra obtained in our work pave the way for studying the nanoscopic local environment of single molecules. The approach also provides an improved understanding of the vibrational relaxation mechanisms in the electronic ground state, which may help to create long-lived vibrational states for applications in quantum technology.

Published
2021
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17. Socioeconomic inequalities in prevalence, awareness, treatment and control of hypertension: evidence from the PERSIAN cohort study

Author

Amini, Mahin, Moradinazar, Mahdi, Rajati, Fatemeh, Soofi, Moslem, Sepanlou, Sadaf G., Poustchi, Hossein, Eghtesad, Sareh, Moosazadeh, Mahmood, Harooni, Javad, Aghazadeh-Attari, Javad, Fallahi, Majid, Fattahi, Mohammad Reza, Ansari-Moghaddam, Alireza, Moradpour, Farhad, Nejatizadeh, Azim, Shahmoradi, Mehdi, Mansour-Ghanaei, Fariborz, Ostadrahimi, Alireza, Ahmadi, Ali, Khaledifar, Arsalan, Saghi, Mohammad Hossien, Saki, Nader, Mohebbi, Iraj, Homayounfar, Reza, Farjam, Mojtaba, Nadimi, Ali Esmaeili, Kahnooji, Mahmood, Pourfarzi, Farhad, Zamani, Bijan, Rezaianzadeh, Abbas, Johari, Masoumeh Ghoddusi, Mirzaei, Masoud, Dehghani, Ali, Motlagh, Seyed Fazel Zinat, Rahimi, Zahra, Malekzadeh, Reza, and Najafi, Farid

Published
2022
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27. Global, regional, and national consumption of animal-source foods between 1990 and 2018: findings from the Global Dietary Database

Author

Abbott, Pamela, Abdollahi, Morteza, Abedi, Parvin, Abumweis, Suhad, Adair, Linda, Al Nsour, Mohannad, Al-Daghri, Nasser, Al-Hamad, Nawal, Al-Hooti, Suad, Al-Zenki, Sameer, Alam, Iftikhar, Ali, Jemal H, Alissa, Eman, Anderson, Simon, Anzid, Karim, Arambepola, Carukshi, Arici, Mustafa, Arsenault, Joanne, Asciak, Renzo, Barbieri, Helene E, Barengo, Noël, Barquera, Simon, Bas, Murat, Becker, Wulf, Beer-Borst, Sigrid, Bergman, Per, Biró, Lajos, Boindala, Sesikeran, Bovet, Pascal, Bradshaw, Debbie, Bukhary, Noriklil BI, Bundhamcharoen, Kanitta, Caballero, Mauricio, Calleja, Neville, Cao, Xia, Capanzana, Mario, Carmikle, Jan, Castetbon, Katia, Castro, Michelle, Cerdena, Corazon, Chang, Hsing-Yi, Charlton, Karen, Chen, Yu, Chen, Mei F, Chiplonkar, Shashi, Cho, Yoonsu, Chuah, Khun-Aik, Costanzo, Simona, Cowan, Melanie, Damasceno, Albertino, Dastgiri, Saeed, De Henauw, Stefaan, DeRidder, Karin, Ding, Eric, Dommarco, Rivera, Don, Rokiah, Duante, Charmaine, Duleva, Vesselka, Duran Aguero, Samuel, Ekbote, Veena, El Ati, Jalila, El Hamdouchi, Asmaa, El-kour, Tatyana, Eldridge, Alison, Elmadfa, Ibrahim, Esteghamati, Alireza, Etemad, Zohreh, Fadzil, Fariza, Farzadfar, Farshad, Fernandez, Anne, Fernando, Dulitha, Fisberg, Regina, Forsyth, Simon, Gamboa-Delgado, Edna, Garriguet, Didier, Gaspoz, Jean-Michel, Gauci, Dorothy, Geleijnse, Marianne, Ginnela, Brahmam, Grosso, Giuseppe, Guessous, Idris, Gulliford, Martin, Gunnarsdottir, Ingibjorg, Hadden, Wilbur, Hadziomeragic, Aida, Haerpfer, Christian, Hakeem, Rubina, Haque, Aminul, Hashemian, Maryam, Hemalatha, Rajkumar, Henjum, Sigrun, Hinkov, Hristo, Hjdaud, Zaiton, Hoffman, Daniel, Hopping, Beth, Houshiar-rad, Anahita, Hsieh, Yao-Te, Hung, Shu-Yi, Huybrechts, Inge, Hwalla, Nahla C, Ibrahim, Hajah M, Ikeda, Nayu, Illescas-Zarate, Daniel, Inoue, Manami, Janakiram, Chandrashekar, Jayawardena, Ranil, Jeewon, Rajesh, Jitnarin, Nattinee, Johansson, Lars, Jonsdottir, Olof, Jundishapur, Ahvaz, Kally, Ola, Kandiah, Mirnalini, Karupaiah, Tilakavati, Keinan-Boker, Lital, Kelishadi, Roya, Khadilkar, Anuradha, Kim, Cho-il, Koksal, Eda, Konig, Jurgen, Korkalo, Liisa, Koster, Jeremy, Kovalskys, Irina, Krishnan, Anand, Kruger, Herculina, Kuriyan-Raj, Rebecca, Kweon, Sanghui, Lachat, Carl, Lai, Yuen, Lanerolle, Pulani, Laxmaiah, Avula, Leclercq, Catherine, Lee, Meei-Shyuan, Lee, Hae-Jeung, Lemming, Eva W, Li, Yanping, Lindström, Jaana, Ling, Annie, Liputo, Nur IL, Lopez-Jaramillo, Patricio, Luke, Amy, Lukito, Widjaja, Lupotto, Elisabette, Ma, Yi, Mahdy, Zaleha A, Malekzadeh, Reza, Manan, Wan, Marchioni, Dirce, Marques, Lydia L, Marques-Vidal, Pedro, Martin-Prevel, Yves, Mathee, Angie, Matsumura, Yasuhiro, Mazumdar, Paramita, Memon, Anjum, Mensink, Gert, Meyer, Alexa, Mirmiran, Parvin, Mirzaei, Masoud, Misra, Puneet, Misra, Anoop, Mitchell, Claudette, Mohamed, Hamid JBJ, Mohammadi-Nasrabadi, Fatemeh, Mohammadifard, Noushin, Moy, Foong M, Musaiger, Abdulrahman, Mwaniki, Elizabeth, Myhre, Jannicke, Nagalla, Balakrishna, Naska, Androniki, Ng, Swee A, Ng, Shu W, Ngoan, Le TN, Noshad, Sina, Ochoa, Angelica, Ocke, Marga, Odenkirk, Jillian, Oh, Kyungwon, Oleas, Mariana, Olivares, Sonia, Orfanos, Philippos, Ortiz-Ulloa, Johana, Otero, Johanna, Ovaskainen, Marja-Leena, Pakseresht, Mohammadreza, Palacios, Cristina, Palmer, Pam, Pan, Wen-Harn, Panagiotakos, Demosthenes, Parajuli, Rajendra, Park, Myungsook, Pekcan, Gulden, Petrova, Stefka, Piaseu, Noppawan, Pitsavos, Christos, Polasa, Kalpagam, Posada, Luz, Pourfarzi, Farhad, Preston, Alan M, Rached, Ingrid, Rahbar, Ali R, Rehm, Colin, Richter, Almut, Riley, Leanne, Salanave, Benoit, Sánchez-Romero, Luz M, Sarrafzadegan, Nizal, Sawada, Norie, Sekiyama, Makiko, Selamat, Rusidah, Shamsuddin, Khadijah, Shariff, Zalilah M, Sharma, Sangita, Sibai, Abla M, Sinkko, Harri, Sioen, Isabelle, Sisa, Ivan, Skeaff, Sheila, Steingrimsdottir, Laufey, Strand, Tor, Suarez-Ortegon, Milton F, Swaminathan, Sumathi, Swan, Gillian, Sygnowska, Elzbieta, Szabo, Maria, Szponar, Lucjan, Tan-Khouw, Ilse, Tapanainen, Heli, Tayyem, Reema, Tedla, Bemnet, Tedstone, Alison, Templeton, Robert, Termote, Celine, Thanopoulou, Anastasia, Thorgeirsdottir, Holmfridur, Thorsdottir, Inga, Trichopoulos, Dimitrios, Trichopoulou, Antonia, Tsugane, Shoichiro, Turrini, Aida, van Oosterhout, Coline, Vartiainen, Erkki, Veerman, J Lennert, Virtanen, Suvi, Vollenweider, Peter, Vossenaar, Marieke, Waidyatilaka, Indu, Waskiewicz, Anna, Waterham, Eveline, Wieler, Lothar, Wondwossen, Tizita, Wu, Suh, Yaakub, Roseyati, Yap, Mabel, Yusof, Safiah, Zaghloul, Sahar, Zajkás, Gábor, Zapata, Maria, Zarina, Khairul, Zohoori, Fatemeh V, Miller, Victoria, Reedy, Julia, Cudhea, Frederick, Zhang, Jianyi, Shi, Peilin, Erndt-Marino, Josh, Coates, Jennifer, Micha, Renata, Webb, Patrick, and Mozaffarian, Dariush

Published
2022
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28. Self-management education for hypertension, diabetes, and dyslipidemia as major risk factors for cardiovascular disease: Insights from stakeholders' experiences and expectations.

Author

Soleimani, Nazanin, Ebrahimi, Fatemeh, and Mirzaei, Masoud

Subjects
COMMUNITY health workers, MEDICAL personnel, TYPE 2 diabetes, DISEASE risk factors, PHYSICIANS
Abstract

Background: Cardiovascular disease (CVD) is a leading cause of premature death, with hypertension, diabetes, and dyslipidemia as major risk factors. Effective self-management (SM) is crucial for controlling these conditions and improving quality of life. This study examines stakeholders' experiences and expectations of SM education to enhance program development. Methods: This study employed a qualitative grounded theory approach to explore the perspectives of three stakeholder groups: 19 patients with hypertension, type 2 diabetes, and dyslipidemia, 11 primary healthcare providers, and five provincial health policymakers and managers. Data were collected via semi-structured patient interviews and focus group discussions(FGDs) with health professionals. Coding and analysis were conducted separately using Corbin and Strauss principles with ATLAS. ti version 9.0 software. Results: Most patients were women (68%) aged 50–60 years (37%), with education levels from illiterate to master's degree; 32% had completed primary school. Most were housewives (52%), and 12 had multiple chronic diseases. Healthcare providers included six community health workers and five primary care physicians, with average experience of 12 and 19 years, respectively. Health policymakers and managers averaged 25 years of experience. Patient interviews and FGDs resulted in 12 and 13 subthemes, respectively, with five subthemes common to both sources. These subthemes were grouped into broader main themes, including "effective content design," "effective presentation and delivery," "characteristics and conditions of involved parties," and "educational needs," collectively reflect the central concept of "effective self-management education". Conclusion: Although the core concept and its main themes were evident and consistent across stakeholder groups, significant variations in subthemes from each stakeholder emerged. This underscores the importance of considering diverse viewpoints and highlights that, while overarching concepts may seem uniform, exploring the details of stakeholder perspectives is crucial for understanding their nuanced opinions. Effective education should integrate these insights, focusing on tailored communication, interactivity, and active monitoring. [ABSTRACT FROM AUTHOR]

Published
2024
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29. Prevalence and predictors of low back pain among the Iranian population: Results from the Persian cohort study

Author

Ghafouri, Mohammad, Teymourzadeh, Azin, Nakhostin-Ansari, Amin, Sepanlou, Sadaf G., Dalvand, Sahar, Moradpour, Farhad, Bavarsad, Amir Hooshang, Boogar, Shahrokh Sadeghi, Dehghan, Morteza, Ostadrahimi, Alireza, Aghazadeh-Attari, Javad, Kahnooji, Mahmood, Hosseinipour, Ali, Gohari, Ali, Hosseini, Seyed Vahid, Mirzaei, Masoud, Khorram, Alireza, Shahmoradi, Mehdi, Pourfarzi, Farhad, Moosazadeh, Mahmood, Mansour-Ghanaei, Fariborz, Marioryad, Hossein, Najafi, Farid, Genevay, Stephane, Moghadam, Navid, and Kordi, Ramin

Published
2022
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38. Electrocardiography changes and different stages of heart failure in central Iran: A cross‐sectional study from Yazd Health Study.

Author

Sadeghi, Sedighe, Jokar, Mojtaba, Tezerjani, Seyed Mostafa Seyed Hossieni, Haghaninejad, Hasan, Zare, Elahe, Meybodi, Mahmood Emami, hassanabadi, Mohammadtaghi Sareban, Mirzaei, Masoud, Mohammadi, Hamidreza, and Tabatabaei, Forough Sadat

Subjects
HEART failure, BUNDLE-branch block, CROSS-sectional method, ELECTROCARDIOGRAPHY, HEART failure patients
Abstract

Background and Aims: Electrocardiography (ECG) is a widely accessible, noninvasive, and cost‐effective diagnostic instrument used to evaluate patients with suspected heart failure (HF). The aim of this study is to investigate electrocardiographic changes in patients with different stages of HF in a random population of Yazd city. Methods: This prospective cross‐sectional study included 319 individuals, randomly selected, aged 40 years and more, registered in the Yazd Health Study was conducted from March 2022 to May 2023 at Afshar Hospitals. In accordance with the AHA/ACC guidelines, HF was classified into four stages (A, B, C, and D). Results: The 159 individuals were classified in the stage 0 group, 77 were in Stage A, 65 were in Stage B, and 18 were in Stage C of HF. In the Stage 0, the PR interval (PRi) was 130.5 ± 18.1 ms, while in Stage C, it was 143.3 ± 21.9 ms, with a significant difference (p = 0.047). Similarly, the QRS interval (QRSi) increased with HF staging (p = 0.001). The frequency of diabetes mellitus (DM), hypertension (HTN), hyperlipidemia (HLP), chronic heart disease, alcoholism, and PRi, QRSi, QT interval levels were independent predictors of HF stage in multivariate regression analysis. Conclusion: The prevalence of HF stages, as classified by the AHA/ACC guidelines, was observed, with significant correlations between ECG parameters and HF progression. abnormal rhythms, left bundle branch block, ischemia, hypertrophy, and left atrial enlargement increased with higher HF stages. Major risk factors like DM and HTN exhibited a heightened prevalence in advanced HF stages, accentuating their pivotal role in the progression of HF. [ABSTRACT FROM AUTHOR]

Published
2024
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