The aim of the experiment was to study the effects of feeding blends of sorbic acid, fumaric acid, and thymol(EOA) on growth performance, digestive functions, and immunity of broiler chickens. A total of 640 one-day-o...The aim of the experiment was to study the effects of feeding blends of sorbic acid, fumaric acid, and thymol(EOA) on growth performance, digestive functions, and immunity of broiler chickens. A total of 640 one-day-old male Cobb 500 chicks with similar BW(41.8 ± 0.6 g) were randomly divided into 4dietary treatment groups consisting of 10 replicates with 16 birds per replicate and fed a basal diet until d 42(CON) or diets with 0.15 g/kg enramycin during the grower period(AG), 0.30 g/kg EOA during the grower period(EG), or 0.30 g/kg EOA during the finisher period(EF). At d 42, the feed conversion ratio was reduced(P < 0.05) for birds in EG group compared with other groups. Birds in EG group showed a higher villus height of the duodenum and jejunum and muscular layers of the duodenum and ileum than birds in CON group(P < 0.05). Compared with other groups, crypt depth of the jejunum and ileum was markedly increased(P < 0.05) by EOA supplementation during the finisher period at d 42. The EOA supplementation during grower period increased significantly lipase, trypsin and chymotrypsin activities of the duodenum at d 21 and 42, as well as lipase and trypsin at d 21, and trypsin and chymotrypsin at d 42 in the jejunum, and trypsin and chymotrypsin activities of the ileum at d 21 compared to the control diet(P < 0.05). Birds of EG and EF groups showed a higher(P < 0.05) spleen index than birds of CON group. The level of secretory immunoglobulin A in duodenal and ileal mucosa was increased(P < 0.05) in EF group at d 42 compared with other groups. In conclusion, the results indicate that EOA can be effectively applied in broiler diets, especially during the grower phase by improving intestinal morphology and increasing digestive enzyme activity.展开更多
This paper presents a construction for a class of 1-resilient functions with optimal algebraic immunity on an even number of variables. The construction is based on the concatenation of two balanced functions in assoc...This paper presents a construction for a class of 1-resilient functions with optimal algebraic immunity on an even number of variables. The construction is based on the concatenation of two balanced functions in associative classes. For some n, a part of 1-resilient functions with maximum algebraic immunity constructed in the paper can achieve almost optimal nonlinearity. Apart from their high nonlinearity, the functions reach Siegenthaler＇s upper bound of algebraic degree. Also a class of l-resilient functions on any number n 〉 2 of variables with at least sub-optimal algebraic immunity is provided.展开更多
B-cell CLL/lymphoma 9(BCL9)is considered a key developmental regulator and a well-established oncogenic driver in multiple cancer types,mainly through potentiating the Wnt/β-catenin signaling.However,increasing evide...B-cell CLL/lymphoma 9(BCL9)is considered a key developmental regulator and a well-established oncogenic driver in multiple cancer types,mainly through potentiating the Wnt/β-catenin signaling.However,increasing evidences indicate that BCL9 also plays multiple Wnt-independent roles.Herein,we summarized the updates of the canonical and non-canonical functions of BCL9 in cellular,physiological,or pathological processes.Moreover,we also concluded that the targeted inhibitors disrupt the interaction ofβ-catenin with BCL9 reported recently.展开更多
This paper proposes a general method to construct 1-resilient Boolean functions by modifying the Tu-Deng and Tang-Carlet-Tang functions. Cryptographic properties such as algebraic degree, nonlinearity and algebraic im...This paper proposes a general method to construct 1-resilient Boolean functions by modifying the Tu-Deng and Tang-Carlet-Tang functions. Cryptographic properties such as algebraic degree, nonlinearity and algebraic immunity are also considered. A sufficient condition of the modified func- tions with optimal algebraic degree in terms of the Siegenthaler bound is proposed. The authors obtain a lower bound on the nonlinearity of the Tang-Carlet-Tang functions, which is slightly better than the known result. If the authors do not break the ＂continuity＂ of the support and zero sets, the functions constructed in this paper have suboptimal algebraic immunity. Finally, four specific classes of 1-resilient Boolean functions constructed from this construction and with the mentioned good cryptographic properties are proposed. Experimental results show that there are many 1-resilient Boolean functions have higher nonlinearities than known l-resilient functions modified by Tu-Deng and Tang- Carlet-Tang functions.展开更多
The trace inverse functions Tr(λx^(-1)) over the finite field F_(2~n) are a class of very important Boolean functions and are used in many stream ciphers such as SFINKS,RAKAPOSHI,the simple counter stream cipher(SCSC...The trace inverse functions Tr(λx^(-1)) over the finite field F_(2~n) are a class of very important Boolean functions and are used in many stream ciphers such as SFINKS,RAKAPOSHI,the simple counter stream cipher(SCSC) presented by Si W and Ding C(2012),etc.In order to evaluate the security of those ciphers in resistance to(fast) algebraic attacks,the authors need to characterize algebraic properties of Tr(λx^(-1)).However,currently only some bounds on algebraic immunity of Tr(λx^(-1)) are given in the public literature,for example,the NGG upper bound and the Bayev lower bound,etc.This paper gives the exact value of the algebraic immunity of Tr(λx^(-1)) over F_(2~n),that is,AI(Tr(λx^(-1))) =[2n^(1/2)]- 2,where n ≥ 2,A ∈ F_(2~n) and λ≠ 0,which shows that Dalai's conjecture on the algebraic immunity of Tr(λx^(-1)) is correct.What is more,the authors demonstrate some weak properties of Tr(λx^(-1)) against fast algebraic attacks.展开更多
Algebraic immunity is an important cryptographic property of Boolean functions. The notion of algebraic immunity of Boolean functions has been generalized in several ways to vector-valued functions over arbitrary fini...Algebraic immunity is an important cryptographic property of Boolean functions. The notion of algebraic immunity of Boolean functions has been generalized in several ways to vector-valued functions over arbitrary finite fields. In this paper, the results of Ref. [25] are generalized to arbitrary finite fields. We obtain vector-valued functions over arbitrary finite fields such that their algebraic immunities can reach the upper bounds. Furthermore, all the component functions, together with their some nonzero linear combinations, of vector-valued Boolean functions achieved by this construction have optimal algebraic immunities simultaneously.展开更多
Algebraic immunity is an important cryptographic property of Boolean functions. In this paper, odd-variable balanced Boolean functions with optimal algebraic immunity are obtained by m-sequence and consequently, we ge...Algebraic immunity is an important cryptographic property of Boolean functions. In this paper, odd-variable balanced Boolean functions with optimal algebraic immunity are obtained by m-sequence and consequently, we get bases with special constructions of vector space. Furthermore, through swapping some vectors of these two bases, we establish all kinds of odd-variable balanced Boolean functions with optimal algebraic immunity.展开更多
基金supported by the National Natural Science Foundation of China under Grant(31402095,to X Yang)Program for Shaanxi Science and Technology of China under Grant(2017ZDXM-NY-087,to X Yang)Fundamental Research Funds for the Central Universities of China under Grant(2452015030,to X Yang)
文摘The aim of the experiment was to study the effects of feeding blends of sorbic acid, fumaric acid, and thymol(EOA) on growth performance, digestive functions, and immunity of broiler chickens. A total of 640 one-day-old male Cobb 500 chicks with similar BW(41.8 ± 0.6 g) were randomly divided into 4dietary treatment groups consisting of 10 replicates with 16 birds per replicate and fed a basal diet until d 42(CON) or diets with 0.15 g/kg enramycin during the grower period(AG), 0.30 g/kg EOA during the grower period(EG), or 0.30 g/kg EOA during the finisher period(EF). At d 42, the feed conversion ratio was reduced(P < 0.05) for birds in EG group compared with other groups. Birds in EG group showed a higher villus height of the duodenum and jejunum and muscular layers of the duodenum and ileum than birds in CON group(P < 0.05). Compared with other groups, crypt depth of the jejunum and ileum was markedly increased(P < 0.05) by EOA supplementation during the finisher period at d 42. The EOA supplementation during grower period increased significantly lipase, trypsin and chymotrypsin activities of the duodenum at d 21 and 42, as well as lipase and trypsin at d 21, and trypsin and chymotrypsin at d 42 in the jejunum, and trypsin and chymotrypsin activities of the ileum at d 21 compared to the control diet(P < 0.05). Birds of EG and EF groups showed a higher(P < 0.05) spleen index than birds of CON group. The level of secretory immunoglobulin A in duodenal and ileal mucosa was increased(P < 0.05) in EF group at d 42 compared with other groups. In conclusion, the results indicate that EOA can be effectively applied in broiler diets, especially during the grower phase by improving intestinal morphology and increasing digestive enzyme activity.
基金supported by the National Natural Science Foundations of China under Grant Nos. 60903200,61003299
文摘This paper presents a construction for a class of 1-resilient functions with optimal algebraic immunity on an even number of variables. The construction is based on the concatenation of two balanced functions in associative classes. For some n, a part of 1-resilient functions with maximum algebraic immunity constructed in the paper can achieve almost optimal nonlinearity. Apart from their high nonlinearity, the functions reach Siegenthaler＇s upper bound of algebraic degree. Also a class of l-resilient functions on any number n 〉 2 of variables with at least sub-optimal algebraic immunity is provided.
基金supported by grants from the Zhejiang Provincial Natural Science Foundation of China(No.LR21H160001)"Pioneer"and"Leading Goose"R&DProgram of Zhejiang,China(No.2022C03004)+2 种基金the National Natural Science Foundation of China(No.82072646 to JC and No.82104214)Zhejiang Provincial Natural Science Foundation of China(No.LQ22H160016)Start-up Grant of Hangzhou Normal University(China)(No.4275C50222204072 to DH).
文摘B-cell CLL/lymphoma 9(BCL9)is considered a key developmental regulator and a well-established oncogenic driver in multiple cancer types,mainly through potentiating the Wnt/β-catenin signaling.However,increasing evidences indicate that BCL9 also plays multiple Wnt-independent roles.Herein,we summarized the updates of the canonical and non-canonical functions of BCL9 in cellular,physiological,or pathological processes.Moreover,we also concluded that the targeted inhibitors disrupt the interaction ofβ-catenin with BCL9 reported recently.
基金supported by the National Key Basic Research Program of China under Grant No.2013CB834203the National Natural Science Foundation of China under Grant Nos.61472417 and 61472120the Research Council of Norway
文摘This paper proposes a general method to construct 1-resilient Boolean functions by modifying the Tu-Deng and Tang-Carlet-Tang functions. Cryptographic properties such as algebraic degree, nonlinearity and algebraic immunity are also considered. A sufficient condition of the modified func- tions with optimal algebraic degree in terms of the Siegenthaler bound is proposed. The authors obtain a lower bound on the nonlinearity of the Tang-Carlet-Tang functions, which is slightly better than the known result. If the authors do not break the ＂continuity＂ of the support and zero sets, the functions constructed in this paper have suboptimal algebraic immunity. Finally, four specific classes of 1-resilient Boolean functions constructed from this construction and with the mentioned good cryptographic properties are proposed. Experimental results show that there are many 1-resilient Boolean functions have higher nonlinearities than known l-resilient functions modified by Tu-Deng and Tang- Carlet-Tang functions.
基金supported by the National Natural Science Foundation of China under Grant No.61572491the 973 Program under Grant No.2011CB302401the open project of the SKLOIS in Institute of Information Engineering,Chinese Academy of Sciences under Grant No.2015-MS-03
文摘The trace inverse functions Tr(λx^(-1)) over the finite field F_(2~n) are a class of very important Boolean functions and are used in many stream ciphers such as SFINKS,RAKAPOSHI,the simple counter stream cipher(SCSC) presented by Si W and Ding C(2012),etc.In order to evaluate the security of those ciphers in resistance to(fast) algebraic attacks,the authors need to characterize algebraic properties of Tr(λx^(-1)).However,currently only some bounds on algebraic immunity of Tr(λx^(-1)) are given in the public literature,for example,the NGG upper bound and the Bayev lower bound,etc.This paper gives the exact value of the algebraic immunity of Tr(λx^(-1)) over F_(2~n),that is,AI(Tr(λx^(-1))) =[2n^(1/2)]- 2,where n ≥ 2,A ∈ F_(2~n) and λ≠ 0,which shows that Dalai's conjecture on the algebraic immunity of Tr(λx^(-1)) is correct.What is more,the authors demonstrate some weak properties of Tr(λx^(-1)) against fast algebraic attacks.
基金supported by National Natural Science Foundation of China(60873191,60903152,61003286,60821001)
文摘Algebraic immunity is an important cryptographic property of Boolean functions. The notion of algebraic immunity of Boolean functions has been generalized in several ways to vector-valued functions over arbitrary finite fields. In this paper, the results of Ref. [25] are generalized to arbitrary finite fields. We obtain vector-valued functions over arbitrary finite fields such that their algebraic immunities can reach the upper bounds. Furthermore, all the component functions, together with their some nonzero linear combinations, of vector-valued Boolean functions achieved by this construction have optimal algebraic immunities simultaneously.
基金supported by the National Natural Science Foundation of China (61102093, 61170270, 61121061)The Fundamental Research for the Central Universities (BUPT 2012RC0710)
文摘Algebraic immunity is an important cryptographic property of Boolean functions. In this paper, odd-variable balanced Boolean functions with optimal algebraic immunity are obtained by m-sequence and consequently, we get bases with special constructions of vector space. Furthermore, through swapping some vectors of these two bases, we establish all kinds of odd-variable balanced Boolean functions with optimal algebraic immunity.
